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Diffstat (limited to 'docs/examples/assets/js/jsrrdgraph.js')
| -rw-r--r-- | docs/examples/assets/js/jsrrdgraph.js | 4937 |
1 files changed, 0 insertions, 4937 deletions
diff --git a/docs/examples/assets/js/jsrrdgraph.js b/docs/examples/assets/js/jsrrdgraph.js deleted file mode 100644 index d296ec6..0000000 --- a/docs/examples/assets/js/jsrrdgraph.js +++ /dev/null @@ -1,4937 +0,0 @@ -/** - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - - * RRDtool 1.4.5 Copyright by Tobi Oetiker, 1997-2010 - * - * Convert to javascript: Manuel Sanmartin <manuel.luis at gmail.com> - **/ - -"use strict"; - -var RRDTime = function() { - this.parser.apply(this, arguments); -}; - -RRDTime.EOF = -1; -RRDTime.MIDNIGHT = 0; -RRDTime.NOON = 1; -RRDTime.TEATIME = 2; -RRDTime.PM = 3; -RRDTime.AM = 4; -RRDTime.YESTERDAY = 5; -RRDTime.TODAY = 6; -RRDTime.TOMORROW = 7; -RRDTime.NOW = 8; -RRDTime.START = 9; -RRDTime.END = 10; -RRDTime.EPOCH = 11; -RRDTime.SECONDS = 12; -RRDTime.MINUTES = 13; -RRDTime.HOURS = 14; -RRDTime.DAYS = 15; -RRDTime.WEEKS = 16; -RRDTime.MONTHS = 17; -RRDTime.YEARS = 18; -RRDTime.MONTHS_MINUTES = 19; -RRDTime.NUMBER = 20; -RRDTime.PLUS = 21; -RRDTime.MINUS = 22; -RRDTime.DOT = 23; -RRDTime.COLON = 24; -RRDTime.SLASH = 25; -RRDTime.ID = 26; -RRDTime.JUNK = 27; -RRDTime.JAN = 28; -RRDTime.FEB = 29; -RRDTime.MAR = 30; -RRDTime.APR = 31; -RRDTime.MAY = 32; -RRDTime.JUN = 33; -RRDTime.JUL = 34; -RRDTime.AUG = 35; -RRDTime.SEP = 36; -RRDTime.OCT = 37; -RRDTime.NOV = 38; -RRDTime.DEC = 39; -RRDTime.SUN = 40; -RRDTime.MON = 41; -RRDTime.TUE = 42; -RRDTime.WED = 43; -RRDTime.THU = 44; -RRDTime.FRI = 45; -RRDTime.SAT = 46; - -RRDTime.variousWords = [ - {name: "midnight", value: RRDTime.MIDNIGHT}, /* 00:00:00 of today or tomorrow */ - {name: "noon", value: RRDTime.NOON}, /* 12:00:00 of today or tomorrow */ - {name: "teatime", value: RRDTime.TEATIME}, /* 16:00:00 of today or tomorrow */ - {name: "am", value: RRDTime.AM}, /* morning times for 0-12 clock */ - {name: "pm", value: RRDTime.PM}, /* evening times for 0-12 clock */ - {name: "tomorrow", value: RRDTime.TOMORROW}, - {name: "yesterday", value: RRDTime.YESTERDAY}, - {name: "today", value: RRDTime.TODAY}, - {name: "now", value: RRDTime.NOW}, - {name: "n", value: RRDTime.NOW}, - {name: "start", value: RRDTime.START}, - {name: "s", value: RRDTime.START}, - {name: "end", value: RRDTime.END}, - {name: "e", value: RRDTime.END}, - {name: "epoch", value: RRDTime.EPOCH}, - {name: "jan", value: RRDTime.JAN}, - {name: "feb", value: RRDTime.FEB}, - {name: "mar", value: RRDTime.MAR}, - {name: "apr", value: RRDTime.APR}, - {name: "may", value: RRDTime.MAY}, - {name: "jun", value: RRDTime.JUN}, - {name: "jul", value: RRDTime.JUL}, - {name: "aug", value: RRDTime.AUG}, - {name: "sep", value: RRDTime.SEP}, - {name: "oct", value: RRDTime.OCT}, - {name: "nov", value: RRDTime.NOV}, - {name: "dec", value: RRDTime.DEC}, - {name: "january", value: RRDTime.JAN}, - {name: "february", value: RRDTime.FEB}, - {name: "march", value: RRDTime.MAR}, - {name: "april", value: RRDTime.APR}, - {name: "may", value: RRDTime.MAY}, - {name: "june", value: RRDTime.JUN}, - {name: "july", value: RRDTime.JUL}, - {name: "august", value: RRDTime.AUG}, - {name: "september", value: RRDTime.SEP}, - {name: "october", value: RRDTime.OCT}, - {name: "november", value: RRDTime.NOV}, - {name: "december", value: RRDTime.DEC}, - {name: "sunday", value: RRDTime.SUN}, - {name: "sun", value: RRDTime.SUN}, - {name: "monday", value: RRDTime.MON}, - {name: "mon", value: RRDTime.MON}, - {name: "tuesday", value: RRDTime.TUE}, - {name: "tue", value: RRDTime.TUE}, - {name: "wednesday", value: RRDTime.WED}, - {name: "wed", value: RRDTime.WED}, - {name: "thursday", value: RRDTime.THU}, - {name: "thu", value: RRDTime.THU}, - {name: "friday", value: RRDTime.FRI}, - {name: "fri", value: RRDTime.FRI}, - {name: "saturday", value: RRDTime.SAT}, - {name: "sat", value: RRDTime.SAT} -]; - -RRDTime.timeMultipliers = [ - {name: "second", value: RRDTime.SECONDS}, /* seconds multiplier */ - {name: "seconds", value: RRDTime.SECONDS}, /* (pluralized) */ - {name: "sec", value: RRDTime.SECONDS}, /* (generic) */ - {name: "s", value: RRDTime.SECONDS}, /* (short generic) */ - {name: "minute", value: RRDTime.MINUTES}, /* minutes multiplier */ - {name: "minutes", value: RRDTime.MINUTES}, /* (pluralized) */ - {name: "min", value: RRDTime.MINUTES}, /* (generic) */ - {name: "m", value: RRDTime.MONTHS_MINUTES}, /* (short generic) */ - {name: "hour", value: RRDTime.HOURS}, /* hours ... */ - {name: "hours", value: RRDTime.HOURS}, /* (pluralized) */ - {name: "hr", value: RRDTime.HOURS}, /* (generic) */ - {name: "h", value: RRDTime.HOURS}, /* (short generic) */ - {name: "day", value: RRDTime.DAYS}, /* days ... */ - {name: "days", value: RRDTime.DAYS}, /* (pluralized) */ - {name: "d", value: RRDTime.DAYS}, /* (short generic) */ - {name: "week", value: RRDTime.WEEKS}, /* week ... */ - {name: "weeks", value: RRDTime.WEEKS}, /* (pluralized) */ - {name: "wk", value: RRDTime.WEEKS}, /* (generic) */ - {name: "w", value: RRDTime.WEEKS}, /* (short generic) */ - {name: "month", value: RRDTime.MONTHS}, /* week ... */ - {name: "months", value: RRDTime.MONTHS}, /* (pluralized) */ - {name: "mon", value: RRDTime.MONTHS}, /* (generic) */ - {name: "year", value: RRDTime.YEARS}, /* year ... */ - {name: "years", value: RRDTime.YEARS}, /* (pluralized) */ - {name: "yr", value: RRDTime.YEARS}, /* (generic) */ - {name: "y", value: RRDTime.YEARS} /* (short generic) */ -]; - -RRDTime.ABSOLUTE_TIME = 0; -RRDTime.RELATIVE_TO_START_TIME = 1; -RRDTime.RELATIVE_TO_END_TIME = 2; -RRDTime.RELATIVE_TO_EPOCH = 3; - -RRDTime.prototype = { - tokens: null, - toklen: 0, - tokidx: 0, - - token: null, - tokid: 0, - - type: 0, - offset: 0, - tm_sec: 0, - tm_min: 0, - tm_hour: 0, - tm_mday: 0, - tm_mon: 0, - tm_year: 0, - tm_wday: 0, - - specials: null, - - gettok: function () - { - if (this.tokidx >= this.toklen) { - this.tokid = RRDTime.EOF; - } else { - this.token = this.tokens[this.tokidx]; - this.tokidx++; - if (!isNaN(this.token)) { - this.tokid = RRDTime.NUMBER; - this.token = parseInt(this.token, 10); - } else if (this.token === ':') { - this.tokid = RRDTime.COLON; - } else if (this.token === '.') { - this.tokid = RRDTime.DOT; - } else if (this.token === '+') { - this.tokid = RRDTime.PLUS; - } else if (this.token === '/') { - this.tokid = RRDTime.SLASH; - } else if (this.token === '-') { - this.tokid = RRDTime.MINUS; - } else { - this.tokid = RRDTime.ID; - for (var i = 0, len = this.specials.length; i < len; i++) { - if (this.specials[i].name === this.token) { - this.tokid = this.specials[i].value; - break; - } - } - } - } - return this.tokid; - }, - plus_minus: function (doop) - { - var op = RRDTime.PLUS; - var prev_multiplier = -1; - var delta; - - if (doop >= 0) { - op = doop; - if (this.gettok() != RRDTime.NUMBER) - throw "There should be number after '"+(op == RRDTime.PLUS ? '+' : '-')+"'"; - prev_multiplier = -1; /* reset months-minutes guessing mechanics */ - } - /* if doop is < 0 then we repeat the previous op with the prefetched number */ - delta = this.token; - if (this.gettok() == RRDTime.MONTHS_MINUTES) { - /* hard job to guess what does that -5m means: -5mon or -5min? */ - switch (prev_multiplier) { - case RRDTime.DAYS: - case RRDTime.WEEKS: - case RRDTime.MONTHS: - case RRDTime.YEARS: - this.tokid = RRDTime.MONTHS; - break; - case RRDTime.SECONDS: - case RRDTime.MINUTES: - case RRDTime.HOURS: - this.tokid = RRDTime.MINUTES; - break; - default: - if (delta < 6) /* it may be some other value but in the context of RRD who needs less than 6 min deltas? */ - this.tokid = RRDTime.MONTHS; - else - this.tokid = RRDTime.MINUTES; - } - } - prev_multiplier = this.tokid; - switch (this.tokid) { - case RRDTime.YEARS: - this.tm_year += ( op == RRDTime.PLUS) ? delta : -delta; - return; - case RRDTime.MONTHS: - this.tm_mon += ( op == RRDTime.PLUS) ? delta : -delta; - return; - case RRDTime.WEEKS: - delta *= 7; - case RRDTime.DAYS: - this.tm_mday += ( op == RRDTime.PLUS) ? delta : -delta; - return; - case RRDTime.HOURS: - this.offset += (op == RRDTime.PLUS) ? delta * 60 * 60 : -delta * 60 * 60; - return; - case RRDTime.MINUTES: - this.offset += (op == RRDTime.PLUS) ? delta * 60 : -delta * 60; - return; - case RRDTime.SECONDS: - this.offset += (op == RRDTime.PLUS) ? delta : -delta; - return; - default: /*default unit is seconds */ - this.offset += (op == RRDTime.PLUS) ? delta : -delta; - return; - } - throw "well-known time unit expected after "+delta; - }, - tod: function() /* tod() computes the time of day (TIME-OF-DAY-SPEC) */ - { - var hour, minute = 0; - var tlen; - /* save token status in case we must abort */ - var tokid_sv = this.tokid; - - tlen = (this.token+"").length; - /* first pick out the time of day - we assume a HH (COLON|DOT) MM time */ - if (tlen > 2) - return; - hour = this.token; - this.gettok(); - if (this.tokid == RRDTime.SLASH || this.tokid == RRDTime.DOT) { - /* guess we are looking at a date */ - this.tokid = tokid_sv; - this.token = hour; - return; - } - if (this.tokid == RRDTime.COLON) { - if (this.gettok() != RRDTime.NUMBER) - throw "Parsing HH:MM syntax, expecting MM as number, got none"; - minute = this.token; - if (minute > 59) - throw "parsing HH:MM syntax, got MM = "+minute+" (>59!)"; - this.gettok(); - } - /* check if an AM or PM specifier was given */ - if (this.tokid == RRDTime.AM || this.tokid == RRDTime.PM) { - if (hour > 12) { - throw "there cannot be more than 12 AM or PM hours"; - } - if (this.tokid == RRDTime.PM) { - if (hour != 12) /* 12:xx PM is 12:xx, not 24:xx */ - hour += 12; - } else { - if (hour == 12) /* 12:xx AM is 00:xx, not 12:xx */ - hour = 0; - } - this.gettok(); - } else if (hour > 23) { - /* guess it was not a time then ... */ - this.tokid = tokid_sv; - this.token = hour; - return; - } - this.tm_hour = hour; - this.tm_min = minute; - this.tm_sec = 0; - if (this.tm_hour == 24) { - this.tm_hour = 0; - this.tm_mday++; - } - }, - assign_date: function(mday, mon, year) - { - if (year > 138) { - if (year > 1970) { - year -= 1900; - } else { - throw "invalid year "+year+" (should be either 00-99 or >1900)"; - } - } else if (year >= 0 && year < 38) { - year += 100; /* Allow year 2000-2037 to be specified as */ - } - /* 00-37 until the problem of 2038 year will */ - /* arise for unices with 32-bit time_t :) */ - if (year < 70) - throw "won't handle dates before epoch (01/01/1970), sorry"; - - this.tm_mday = mday; - this.tm_mon = mon; - this.tm_year = year; - }, - day: function () - { - var mday = 0, wday, mon, year = this.tm_year; - var tlen; - - switch (this.tokid) { - case RRDTime.YESTERDAY: - this.tm_mday--; - case RRDTime.TODAY: - this.gettok(); - break; - case RRDTime.TOMORROW: - this.tm_mday++; - this.gettok(); - break; - case RRDTime.JAN: - case RRDTime.FEB: - case RRDTime.MAR: - case RRDTime.APR: - case RRDTime.MAY: - case RRDTime.JUN: - case RRDTime.JUL: - case RRDTime.AUG: - case RRDTime.SEP: - case RRDTime.OCT: - case RRDTime.NOV: - case RRDTime.DEC: - mon = (this.tokid - RRDTime.JAN); - if (this.gettok() != RRDTime.NUMBER) - throw "the day of the month should follow month name"; - mday = this.token; - if (this.gettok() == RRDTime.NUMBER) { - year = this.token; - this.gettok(); - } else { - year = this.tm_year; - } - this.assign_date(mday, mon, year); - break; - case RRDTime.SUN: - case RRDTime.MON: - case RRDTime.TUE: - case RRDTime.WED: - case RRDTime.THU: - case RRDTime.FRI: - case RRDTime.SAT: - wday = (this.tokid - RRDTime.SUN); - this.tm_mday += (wday - this.tm_wday); - this.gettok(); - break; - case RRDTime.NUMBER: - mon = this.token; - if (mon > 10 * 365 * 24 * 60 * 60) { - this.localtime(mon); - this.gettok(); - break; - } - if (mon > 19700101 && mon < 24000101) { /*works between 1900 and 2400 */ - var str = this.token + ''; - year = parseInt(str.substr(0,4), 10); - mon = parseInt(str.substr(4,2), 10); - mday = parseInt(str.substr(6,2), 10); - this.gettok(); - } else { - this.gettok(); - if (mon <= 31 && (this.tokid == RRDTime.SLASH || this.tokid == RRDTime.DOT)) { - var sep = this.tokid; - if (this.gettok() != RRDTime.NUMBER) - throw "there should be "+(RRDTime.DOT ? "month" : "day")+" number after '"+(RRDTime.DOT ? '.' : '/')+"'"; - mday = this.token; - if (this.gettok() == sep) { - if (this.gettok() != RRDTime.NUMBER) - throw "there should be year number after '"+(sep == RRDTime.DOT ? '.' : '/')+"'"; - year = this.token; - this.gettok(); - } - if (sep == RRDTime.DOT) { - var x = mday; - mday = mon; - mon = x; - } - } - } - mon--; - if (mon < 0 || mon > 11) - throw "did you really mean month "+(mon+1)+"?"; - if (mday < 1 || mday > 31) - throw "I'm afraid that "+mday+" is not a valid day of the month", - this.assign_date(mday, mon, year); - break; - } - }, - parser: function(tspec) - { - var date = new Date(); - var hr = 0; - - this.specials = RRDTime.variousWords; - this.tokens = (tspec+'').match(/[0-9]+|[A-Za-z]+|[:.+-\/]/g); - this.toklen = this.tokens.length; - - /* establish the default time reference */ - this.type = RRDTime.ABSOLUTE_TIME; - this.offset = 0; - this.tm_sec = date.getSeconds(); - this.tm_min = date.getMinutes(); - this.tm_hour = date.getHours(); - this.tm_mday = date.getDate(); - this.tm_mon = date.getMonth(); - this.tm_year = date.getFullYear()-1900; - this.tm_wday = date.getDay(); - //thisptv->tm = *localtime(&now); - - this.gettok(); - switch (this.tokid) { - case RRDTime.PLUS: - case RRDTime.MINUS: - break; /* jump to OFFSET-SPEC part */ - case RRDTime.EPOCH: - this.type = RRDTime.RELATIVE_TO_EPOCH; - case RRDTime.START: - case RRDTime.END: - if (this.tokid === RRDTime.EPOCH) - this.type = RRDTime.RELATIVE_TO_START_TIME; - else - this.type = RRDTime.RELATIVE_TO_END_TIME; - this.tm_sec = 0; - this.tm_min = 0; - this.tm_hour = 0; - this.tm_mday = 0; - this.tm_mon = 0; - this.tm_year = 0; - case RRDTime.NOW: - var time_reference = this.tokid; - this.gettok(); - if (this.tokid == RRDTime.PLUS || this.tokid == RRDTime.MINUS) - break; - if (time_reference != RRDTime.NOW) { - throw "'start' or 'end' MUST be followed by +|- offset"; - } else if (this.tokid != RRDTime.EOF) { - throw "if 'now' is followed by a token it must be +|- offset"; - } - break; - case RRDTime.NUMBER: /* Only absolute time specifications below */ - var hour_sv = this.tm_hour; - var year_sv = this.tm_year; - this.tm_hour = 30; - this.tm_year = 30000; - this.tod(); - this.day(); - if (this.tm_hour == 30 && this.tm_year != 30000) - this.tod(); - if (this.tm_hour == 30) - this.tm_hour = hour_sv; - if (this.tm_year == 30000) - this.tm_year = year_sv; - break; - case RRDTime.JAN: - case RRDTime.FEB: - case RRDTime.MAR: - case RRDTime.APR: - case RRDTime.MAY: - case RRDTime.JUN: - case RRDTime.JUL: - case RRDTime.AUG: - case RRDTime.SEP: - case RRDTime.OCT: - case RRDTime.NOV: - case RRDTime.DEC: - this.day(); - if (this.tokid != RRDTime.NUMBER) - break; - this.tod(); - break; - case RRDTime.TEATIME: - hr += 4; - case RRDTime.NOON: - hr += 12; - case RRDTime.MIDNIGHT: - this.tm_hour = hr; - this.tm_min = 0; - this.tm_sec = 0; - this.gettok(); - this.day(); - break; - default: - throw "unparsable time: "+this.token+" "+this.sct; - break; - } /* ugly case statement */ - - /* - * the OFFSET-SPEC part - * - * (NOTE, the sc_tokid was prefetched for us by the previous code) - */ - if (this.tokid == RRDTime.PLUS || this.tokid == RRDTime.MINUS) { - this.specials = RRDTime.timeMultipliers; /* switch special words context */ - while (this.tokid == RRDTime.PLUS || this.tokid == RRDTime.MINUS || this.tokid == RRDTime.NUMBER) { - if (this.tokid == RRDTime.NUMBER) { - this.plus_minus(-1); - } else { - this.plus_minus(this.tokid); - } - this.gettok(); /* We will get EOF eventually but that's OK, since token() will return us as many EOFs as needed */ - } - } - - /* now we should be at EOF */ - if (this.tokid != RRDTime.EOF) - throw "unparsable trailing text: '..."+this.token+"'"; -// if (this.type == RRDTime.ABSOLUTE_TIME) -// if (mktime(&ptv->tm) == -1) // FIXME ?? -// panic(e("the specified time is incorrect (out of range?)")); - }, - localtime: function (tm) - { - var date = new Date(tm*1000); - this.tm_sec = date.getSeconds(); - this.tm_min = date.getMinutes(); - this.tm_hour = date.getHours(); - this.tm_mday = date.getDate(); - this.tm_mon = date.getMonth(); - this.tm_year = date.getFullYear()-1900; - this.tm_wday = date.getDay(); - }, - mktime: function() - { - var date = new Date(this.tm_year+1900, this.tm_mon, this.tm_mday, this.tm_hour, this.tm_min, this.tm_sec); - return Math.round(date.getTime()/1000.0); - } -}; - -RRDTime.proc_start_end = function(start_t, end_t) { - var start, end; - - if (start_t.type == RRDTime.RELATIVE_TO_END_TIME && end_t.type == RRDTime.RELATIVE_TO_START_TIME) - throw "the start and end times cannot be specified relative to each other"; - if (start_t.type == RRDTime.RELATIVE_TO_START_TIME) - throw "the start time cannot be specified relative to itself"; - if (end_t.type == RRDTime.RELATIVE_TO_END_TIME) - throw "the end time cannot be specified relative to itself"; - - if (start_t.type == RRDTime.RELATIVE_TO_END_TIME) { - end = end_t.mktime() + end_t.offset; - var tmtmp = new Date(end*1000); - tmtmp.setDate(tmtmp.getDate()+start_t.tm_mday); - tmtmp.setMonth(tmtmp.getMonth()+start_t.tm_mon); - tmtmp.setFullYear(tmtmp.getFullYear()+start_t.tm_year); - start = Math.round(tmtmp.getTime()/1000.0) + start_t.offset; - } else { - start = start_t.mktime() + start_t.offset; - } - if (end_t.type == RRDTime.RELATIVE_TO_START_TIME) { - start = start_t.mktime() + start_t.offset; - var tmtmp = new Date(start*1000); - tmtmp.setDate(tmtmp.getDate()+end_t.tm_mday); - tmtmp.setMonth(tmtmp.getMonth()+end_t.tm_mon); - tmtmp.setFullYear(tmtmp.getFullYear()+end_t.tm_year); - end = Math.round(tmtmp.getTime()/1000.0) + end_t.offset; - } else { - end = end_t.mktime() + end_t.offset; - } - return [start, end]; -}; - -var RRDRpn = function() { - this.parser.apply(this, arguments); -}; - -RRDRpn.OP = { NUMBER: 0, VARIABLE: 1, INF: 2, PREV: 3, NEGINF: 4, - UNKN: 5, NOW: 6, TIME: 7, ADD: 8, MOD: 9, SUB: 10, MUL: 11, - DIV: 12, SIN: 13, DUP: 14, EXC: 15, POP: 16, - COS: 17, LOG: 18, EXP: 19, LT: 20, LE: 21, GT: 22, GE: 23, EQ: 24, IF: 25, - MIN: 26, MAX: 27, LIMIT: 28, FLOOR: 29, CEIL: 30, - UN: 31, END: 32, LTIME: 33, NE: 34, ISINF: 35, PREV_OTHER: 36, COUNT: 37, - ATAN: 38, SQRT: 39, SORT: 40, REV: 41, TREND: 42, TREDNAN: 43, - ATAN2: 44, RAD2DEG: 45, DEG2RAD: 46, - PREDICT: 47, PREDICTSIGMA: 48, AVG: 49, ABS: 50, ADDNAN: 51 }; - -RRDRpn.STACK_UNDERFLOW = 'RPN stack underflow'; - -RRDRpn.prototype = { - - rpnstack: null, - rpnp: null, - - find_var: function(gdes, key) - { - for (var ii = 0, gdes_c = gdes.length; ii < gdes_c; ii++) { - if ((gdes[ii].gf == RRDGraphDesc.GF.DEF || - gdes[ii].gf == RRDGraphDesc.GF.VDEF || - gdes[ii].gf == RRDGraphDesc.GF.CDEF) - && gdes[ii].vname == key) { - return ii; - } - } - return -1; - }, - parser: function (str_expr, gdes) - { - var steps = -1; - var expr; - var exprs = str_expr.split(','); - - this.rpnp = []; - - for(var i=0, len=exprs.length; i < len; i++) { - expr=exprs[i].toUpperCase(); - - steps++; - this.rpnp[steps] = {}; - - if (!isNaN(expr)) { - this.rpnp[steps].op = RRDRpn.OP.NUMBER; - this.rpnp[steps].val = parseFloat(expr); - } - else if (expr === '+') this.rpnp[steps].op = RRDRpn.OP.ADD; - else if (expr === '-') this.rpnp[steps].op = RRDRpn.OP.SUB; - else if (expr === '*') this.rpnp[steps].op = RRDRpn.OP.MUL; - else if (expr === '/') this.rpnp[steps].op = RRDRpn.OP.DIV; - else if (expr === '%') this.rpnp[steps].op = RRDRpn.OP.MOD; - else if (expr === 'SIN') this.rpnp[steps].op = RRDRpn.OP.SIN; - else if (expr === 'COS') this.rpnp[steps].op = RRDRpn.OP.COS; - else if (expr === 'LOG') this.rpnp[steps].op = RRDRpn.OP.LOG; - else if (expr === 'FLOOR') this.rpnp[steps].op = RRDRpn.OP.FLOOR; - else if (expr === 'CEIL') this.rpnp[steps].op = RRDRpn.OP.CEIL; - else if (expr === 'EXP') this.rpnp[steps].op = RRDRpn.OP.EXP; - else if (expr === 'DUP') this.rpnp[steps].op = RRDRpn.OP.DUP; - else if (expr === 'EXC') this.rpnp[steps].op = RRDRpn.OP.EXC; - else if (expr === 'POP') this.rpnp[steps].op = RRDRpn.OP.POP; - else if (expr === 'LTIME') this.rpnp[steps].op = RRDRpn.OP.LTIME; - else if (expr === 'LT') this.rpnp[steps].op = RRDRpn.OP.LT; - else if (expr === 'LE') this.rpnp[steps].op = RRDRpn.OP.LE; - else if (expr === 'GT') this.rpnp[steps].op = RRDRpn.OP.GT; - else if (expr === 'GE') this.rpnp[steps].op = RRDRpn.OP.GE; - else if (expr === 'EQ') this.rpnp[steps].op = RRDRpn.OP.EQ; - else if (expr === 'IF') this.rpnp[steps].op = RRDRpn.OP.IF; - else if (expr === 'MIN') this.rpnp[steps].op = RRDRpn.OP.MIN; - else if (expr === 'MAX') this.rpnp[steps].op = RRDRpn.OP.MAX; - else if (expr === 'LIMIT') this.rpnp[steps].op = RRDRpn.OP.LIMIT; - else if (expr === 'UNKN') this.rpnp[steps].op = RRDRpn.OP.UNKN; - else if (expr === 'UN') this.rpnp[steps].op = RRDRpn.OP.UN; - else if (expr === 'NEGINF') this.rpnp[steps].op = RRDRpn.OP.NEGINF; - else if (expr === 'NE') this.rpnp[steps].op = RRDRpn.OP.NE; - else if (expr === 'COUNT') this.rpnp[steps].op = RRDRpn.OP.COUNT; - else if (/PREV\([-_A-Za-z0-9]+\)/.test(expr)) { - var match = exprs[i].match(/PREV\(([-_A-Za-z0-9]+)\)/i); - if (match.length == 2) { - this.rpnp[steps].op = RRDRpn.OP.PREV_OTHER; - this.rpnp[steps].ptr = this.find_var(gdes, match[1]); // FIXME if -1 - } - } - else if (expr === 'PREV') this.rpnp[steps].op = RRDRpn.OP.PREV; - else if (expr === 'INF') this.rpnp[steps].op = RRDRpn.OP.INF; - else if (expr === 'ISINF') this.rpnp[steps].op = RRDRpn.OP.ISINF; - else if (expr === 'NOW') this.rpnp[steps].op = RRDRpn.OP.NOW; - else if (expr === 'TIME') this.rpnp[steps].op = RRDRpn.OP.TIME; - else if (expr === 'ATAN2') this.rpnp[steps].op = RRDRpn.OP.ATAN2; - else if (expr === 'ATAN') this.rpnp[steps].op = RRDRpn.OP.ATAN; - else if (expr === 'SQRT') this.rpnp[steps].op = RRDRpn.OP.SQRT; - else if (expr === 'SORT') this.rpnp[steps].op = RRDRpn.OP.SORT; - else if (expr === 'REV') this.rpnp[steps].op = RRDRpn.OP.REV; - else if (expr === 'TREND') this.rpnp[steps].op = RRDRpn.OP.TREND; - else if (expr === 'TRENDNAN') this.rpnp[steps].op = RRDRpn.OP.TRENDNAN; - else if (expr === 'PREDICT') this.rpnp[steps].op = RRDRpn.OP.PREDICT; - else if (expr === 'PREDICTSIGMA') this.rpnp[steps].op = RRDRpn.OP.PREDICTSIGMA; - else if (expr === 'RAD2DEG') this.rpnp[steps].op = RRDRpn.OP.RAD2DEG; - else if (expr === 'DEG2RAD') this.rpnp[steps].op = RRDRpn.OP.DEG2RAD; - else if (expr === 'AVG') this.rpnp[steps].op = RRDRpn.OP.AVG; - else if (expr === 'ABS') this.rpnp[steps].op = RRDRpn.OP.ABS; - else if (expr === 'ADDNAN') this.rpnp[steps].op = RRDRpn.OP.ADDNAN; - else if (/[-_A-Za-z0-9]+/.test(expr)) { - this.rpnp[steps].ptr = this.find_var(gdes, exprs[i]); - this.rpnp[steps].op = RRDRpn.OP.VARIABLE; - } else { - return; - } - } - this.rpnp[steps + 1] = {}; - this.rpnp[steps + 1].op = RRDRpn.OP.END; - - }, - compare_double: function(x, y) - { - var diff = x - y; - return (diff < 0) ? -1 : (diff > 0) ? 1 : 0; - }, - fmod: function (x, y) { - var tmp, tmp2, p = 0, - pY = 0, - l = 0.0, - l2 = 0.0; - - tmp = x.toExponential().match(/^.\.?(.*)e(.+)$/); - p = parseInt(tmp[2], 10) - (tmp[1] + '').length; - tmp = y.toExponential().match(/^.\.?(.*)e(.+)$/); - pY = parseInt(tmp[2], 10) - (tmp[1] + '').length; - - if (pY > p) p = pY; - - tmp2 = (x % y); - - if (p < -100 || p > 20) { - l = Math.round(Math.log(tmp2) / Math.log(10)); - l2 = Math.pow(10, l); - return (tmp2 / l2).toFixed(l - p) * l2; - } else { - return parseFloat(tmp2.toFixed(-p)); - } - }, - calc: function (data_idx, output, output_idx) - { - var stptr = -1; - - this.rpnstack = []; - - for (var rpi = 0; this.rpnp[rpi].op != RRDRpn.OP.END; rpi++) { - switch (this.rpnp[rpi].op) { - case RRDRpn.OP.NUMBER: - this.rpnstack[++stptr] = this.rpnp[rpi].val; - break; - case RRDRpn.OP.VARIABLE: - case RRDRpn.OP.PREV_OTHER: - if (this.rpnp[rpi].ds_cnt == 0) { - throw "VDEF made it into rpn_calc... aborting"; - } else { - if (this.rpnp[rpi].op == RRDRpn.OP.VARIABLE) { - this.rpnstack[++stptr] = this.rpnp[rpi].data[this.rpnp[rpi].pdata]; - } else { - if ((output_idx) <= 0) this.rpnstack[++stptr] = Number.NaN; - else this.rpnstack[++stptr] = this.rpnp[rpi].data[this.rpnp[rpi].pdata - this.rpnp[rpi].ds_cnt]; - } - if (data_idx % this.rpnp[rpi].step == 0) { - this.rpnp[rpi].pdata += this.rpnp[rpi].ds_cnt; - } - } - break; - case RRDRpn.OP.COUNT: - this.rpnstack[++stptr] = (output_idx + 1); /* Note: Counter starts at 1 */ - break; - case RRDRpn.OP.PREV: - if ((output_idx) <= 0) this.rpnstack[++stptr] = Number.NaN; - else this.rpnstack[++stptr] = output[output_idx - 1]; - break; - case RRDRpn.OP.UNKN: - this.rpnstack[++stptr] = Number.NaN; - break; - case RRDRpn.OP.INF: - this.rpnstack[++stptr] = Infinity; - break; - case RRDRpn.OP.NEGINF: - this.rpnstack[++stptr] = -Infinity; - break; - case RRDRpn.OP.NOW: - this.rpnstack[++stptr] = Math.round((new Date()).getTime() / 1000); - break; - case RRDRpn.OP.TIME: - this.rpnstack[++stptr] = data_idx; - break; - case RRDRpn.OP.LTIME: - var date = new Date(data_idx*1000); // FIXME XXX - this.rpnstack[++stptr] = date.getTimezoneOffset() * 60 + data_idx; - break; - case RRDRpn.OP.ADD: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] + this.rpnstack[stptr]; - stptr--; - break; - case RRDRpn.OP.ADDNAN: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - if (isNaN(this.rpnstack[stptr - 1])) { - this.rpnstack[stptr - 1] = this.rpnstack[stptr]; - } else if (isNaN(this.rpnstack[stptr])) { - /* NOOP */ - /* this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1]; */ - } else { - this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] + this.rpnstack[stptr]; - } - stptr--; - break; - case RRDRpn.OP.SUB: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] - this.rpnstack[stptr]; - stptr--; - break; - case RRDRpn.OP.MUL: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr - 1] = (this.rpnstack[stptr - 1]) * (this.rpnstack[stptr]); - stptr--; - break; - case RRDRpn.OP.DIV: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] / this.rpnstack[stptr]; - stptr--; - break; - case RRDRpn.OP.MOD: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr - 1] = this.fmod(this.rpnstack[stptr - 1] , this.rpnstack[stptr]); - stptr--; - break; - case RRDRpn.OP.SIN: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr] = Math.sin(this.rpnstack[stptr]); - break; - case RRDRpn.OP.ATAN: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr] = Math.atan(this.rpnstack[stptr]); - break; - case RRDRpn.OP.RAD2DEG: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr] = 57.29577951 * this.rpnstack[stptr]; - break; - case RRDRpn.OP.DEG2RAD: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr] = 0.0174532952 * this.rpnstack[stptr]; - break; - case RRDRpn.OP.ATAN2: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr - 1] = Math.atan2(this.rpnstack[stptr - 1], this.rpnstack[stptr]); - stptr--; - break; - case RRDRpn.OP.COS: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr] = Math.cos(this.rpnstack[stptr]); - break; - case RRDRpn.OP.CEIL: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr] = Math.ceil(this.rpnstack[stptr]); - break; - case RRDRpn.OP.FLOOR: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr] = Math.floor(this.rpnstack[stptr]); - break; - case RRDRpn.OP.LOG: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr] = Math.log(this.rpnstack[stptr]); - break; - case RRDRpn.OP.DUP: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr + 1] = this.rpnstack[stptr]; - stptr++; - break; - case RRDRpn.OP.POP: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - stptr--; - break; - case RRDRpn.OP.EXC: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; { - var dummy = this.rpnstack[stptr]; - this.rpnstack[stptr] = this.rpnstack[stptr - 1]; - this.rpnstack[stptr - 1] = dummy; - } - break; - case RRDRpn.OP.EXP: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr] = Math.exp(this.rpnstack[stptr]); - break; - case RRDRpn.OP.LT: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - if (isNaN(this.rpnstack[stptr - 1])); - else if (isNaN(this.rpnstack[stptr])) - this.rpnstack[stptr - 1] = this.rpnstack[stptr]; - else - this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] < this.rpnstack[stptr] ? 1.0 : 0.0; - stptr--; - break; - case RRDRpn.OP.LE: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - if (isNaN(this.rpnstack[stptr - 1])); - else if (isNaN(this.rpnstack[stptr])) - this.rpnstack[stptr - 1] = this.rpnstack[stptr]; - else - this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] <= this.rpnstack[stptr] ? 1.0 : 0.0; - stptr--; - break; - case RRDRpn.OP.GT: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - if (isNaN(this.rpnstack[stptr - 1])); - else if (isNaN(this.rpnstack[stptr])) - this.rpnstack[stptr - 1] = this.rpnstack[stptr]; - else - this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] > this.rpnstack[stptr] ? 1.0 : 0.0; - stptr--; - break; - case RRDRpn.OP.GE: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - if (isNaN(this.rpnstack[stptr - 1])); - else if (isNaN(this.rpnstack[stptr])) - this.rpnstack[stptr - 1] = this.rpnstack[stptr]; - else - this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] >= this.rpnstack[stptr] ? 1.0 : 0.0; - stptr--; - break; - case RRDRpn.OP.NE: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - if (isNaN(this.rpnstack[stptr - 1])); - else if (isNaN(this.rpnstack[stptr])) - this.rpnstack[stptr - 1] = this.rpnstack[stptr]; - else - this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] == this.rpnstack[stptr] ? 0.0 : 1.0; - stptr--; - break; - case RRDRpn.OP.EQ: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - if (isNaN(this.rpnstack[stptr - 1])); - else if (isNaN(this.rpnstack[stptr])) - this.rpnstack[stptr - 1] = this.rpnstack[stptr]; - else - this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] == this.rpnstack[stptr] ? 1.0 : 0.0; - stptr--; - break; - case RRDRpn.OP.IF: - if(stptr < 2) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr - 2] = (isNaN(this.rpnstack[stptr - 2]) || this.rpnstack[stptr - 2] == 0.0) ? this.rpnstack[stptr] : this.rpnstack[stptr - 1]; - stptr--; - stptr--; - break; - case RRDRpn.OP.MIN: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - if (isNaN(this.rpnstack[stptr - 1])); - else if (isNaN(this.rpnstack[stptr])) - this.rpnstack[stptr - 1] = this.rpnstack[stptr]; - else if (this.rpnstack[stptr - 1] > this.rpnstack[stptr]) - this.rpnstack[stptr - 1] = this.rpnstack[stptr]; - stptr--; - break; - case RRDRpn.OP.MAX: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - if (isNaN(this.rpnstack[stptr - 1])); - else if (isNaN(this.rpnstack[stptr])) - this.rpnstack[stptr - 1] = this.rpnstack[stptr]; - else if (this.rpnstack[stptr - 1] < this.rpnstack[stptr]) - this.rpnstack[stptr - 1] = this.rpnstack[stptr]; - stptr--; - break; - case RRDRpn.OP.LIMIT: - if(stptr < 2) { - throw RRDRpn.STACK_UNDERFLOW; - }; - if (isNaN(this.rpnstack[stptr - 2])) { - } else if (isNaN(this.rpnstack[stptr - 1])) { - this.rpnstack[stptr - 2] = this.rpnstack[stptr - 1]; - } else if (isNaN(this.rpnstack[stptr])) { - this.rpnstack[stptr - 2] = this.rpnstack[stptr]; - } else if ( - this.rpnstack[stptr - 2] < this.rpnstack[stptr - 1]) { - this.rpnstack[stptr - 2] = Number.NaN; - } else if (this.rpnstack[stptr - 2] > this.rpnstack[stptr]) { - this.rpnstack[stptr - 2] = Number.NaN; - } - stptr -= 2; - break; - case RRDRpn.OP.UN: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr] = isNaN(this.rpnstack[stptr]) ? 1.0 : 0.0; - break; - case RRDRpn.OP.ISINF: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr] = isInfinite(this.rpnstack[stptr]) ? 1.0 : 0.0; - break; - case RRDRpn.OP.SQRT: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr] = Math.sqrt(this.rpnstack[stptr]); - break; - case RRDRpn.OP.SORT: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - var spn = this.rpnstack[stptr--]; - if(stptr < spn - 1) throw RRDRpn.STACK_UNDERFLOW; - var array = this.rpnstack (stptr - spn + 1, stptr +1); - array.sort(this.rpn_compare_double); - for (var i=stptr - spn + 1, ii=0; i < (stptr +1) ; i++, ii++) - this.rpnstack[i] = array[ii]; - // qsort(this.rpnstack + stptr - spn + 1, spn, sizeof(double), rpn_compare_double); - break; - case RRDRpn.OP.REV: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - var spn = this.rpnstack[stptr--]; - if(stptr < spn - 1) throw RRDRpn.STACK_UNDERFLOW; - var array = this.rpnstack (stptr - spn + 1, stptr +1); - array.reverse(); - for (var i=stptr - spn + 1, ii=0; i < (stptr +1) ; i++, ii++) - this.rpnstack[i] = array[ii]; - // var p, q; - // p = this.rpnstack + stptr - spn + 1; - // q = this.rpnstack + stptr; - // while (p < q) { - // var x = q; - // q-- = p; - // p++ = x; - // } - break; - case RRDRpn.OP.PREDICT: - case RRDRpn.OP.PREDICTSIGMA: - if(stptr < 2) throw RRDRpn.STACK_UNDERFLOW; - var locstepsize = this.rpnstack[--stptr]; - var shifts = this.rpnstack[--stptr]; - if(stptr < shifts) throw RRDRpn.STACK_UNDERFLOW; - if (shifts<0) stptr--; - else stptr-=shifts; - var val=Number.NaN; - var dsstep = this.rpnp[rpi - 1].step; - var dscount = this.rpnp[rpi - 1].ds_cnt; - var locstep = Math.ceil(locstepsize/dsstep); - var sum = 0; - var sum2 = 0; - var count = 0; - /* now loop for each position */ - var doshifts=shifts; - if (shifts<0) doshifts=-shifts; - for(var loop=0;loop<doshifts;loop++) { - var shiftstep=1; - if (shifts<0) shiftstep = loop*this.rpnstack[stptr]; - else shiftstep = this.rpnstack[stptr+loop]; - if(shiftstep <0) { - throw "negative shift step not allowed: "+shiftstep; - } - shiftstep=Math.ceil(shiftstep/dsstep); - for(var i=0; i<=locstep; i++) { - var offset=shiftstep+i; - if ((offset>=0)&&(offset<output_idx)) { - val =this.rpnp[rpi - 1].data[-dscount * offset]; - if (! isNaN(val)) { - sum+=val; - sum2+=val*val; - count++; - } - } - } - } - val=Number.NaN; - if (this.rpnp[rpi].op == RRDRpn.OP.PREDICT) { - if (count>0) val = sum/count; - } else { - if (count>1) { - val=count*sum2-sum*sum; - if (val<0) { - val=Number.NaN; - } else { - val=Math.sqrt(val/(count*(count-1.0))); - } - } - } - this.rpnstack[stptr] = val; - break; - case RRDRpn.OP.TREND: - case RRDRpn.OP.TRENDNAN: - if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; - if ((rpi < 2) || (this.rpnp[rpi - 2].op != RRDRpn.OP.VARIABLE)) { - throw "malformed trend arguments"; - } else { - var dur = this.rpnstack[stptr]; - var step = this.rpnp[rpi - 2].step; - - if (output_idx > Math.ceil(dur / step)) { - var ignorenan = (this.rpnp[rpi].op == RRDRpn.OP.TREND); - var accum = 0.0; - var i = 0; - var count = 0; - - do { - var val = this.rpnp[rpi - 2].data[this.rpnp[rpi - 2].ds_cnt * i--]; - if (ignorenan || !isNaN(val)) { - accum += val; - ++count; - } - dur -= step; - } while (dur > 0); - - this.rpnstack[--stptr] = (count == 0) ? Number.NaN : (accum / count); - } else this.rpnstack[--stptr] = Number.NaN; - } - break; - case RRDRpn.OP.AVG: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - var i = this.rpnstack[stptr--]; - var sum = 0; - var count = 0; - - if(stptr < i - 1) throw RRDRpn.STACK_UNDERFLOW; - while (i > 0) { - var val = this.rpnstack[stptr--]; - i--; - if (isNaN(val)) continue; - count++; - sum += val; - } - if (count > 0) this.rpnstack[++stptr] = sum / count; - else this.rpnstack[++stptr] = Number.NaN; - break; - case RRDRpn.OP.ABS: - if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW; - this.rpnstack[stptr] = fabs(this.rpnstack[stptr]); - break; - case RRDRpn.OP.END: - break; - } - } - if (stptr != 0) throw "RPN final stack size != 1"; - output[output_idx] = this.rpnstack[0]; - return 0; - } -}; - -var RRDGraphDesc = function() { - this.init.apply(this, arguments); -}; - -RRDGraphDesc.GF = {PRINT: 0, GPRINT: 1, COMMENT: 2, HRULE: 3, VRULE: 4, LINE: 5, AREA:6, STACK:7, TICK:8, TEXTALIGN:9, DEF:10, CDEF:11, VDEF:12, SHIFT: 13, XPORT: 14 }; - -RRDGraphDesc.VDEF = {MAXIMUM: 0, MINIMUM: 1, AVERAGE: 2, STDEV: 3, PERCENT: 4, TOTAL: 5, FIRST: 6, LAST: 7, LSLSLOPE: 8, LSLINT: 9, LSLCORREL: 10, PERCENTNAN: 11 }; - -RRDGraphDesc.CF = {AVERAGE: 0, MINIMUM: 1, MAXIMUM: 2, LAST: 3, HWPREDICT: 4, SEASONAL: 5, DEVPREDICT: 6, DEVSEASONAL: 7, FAILURES: 8, MHWPREDICT:9 }; -RRDGraphDesc.TXA = {LEFT: 0, RIGHT: 1, CENTER: 2, JUSTIFIED: 3}; - -RRDGraphDesc.prototype = { - - gf: null, /* graphing function */ - stack: false, /* boolean */ - debug: false, /* boolean */ - vname: null, /* name of the variable */ - vidx: Number.NaN, /* gdes reference */ - rrd: null, /* name of the rrd_file containing data */ - ds_nam: null, /* data source name */ - ds: -1, /* data source number */ - cf: null, /* consolidation function */ - cf_reduce: null, /* consolidation function for reduce_data() */ - col: null, /* graph color */ - format: null, /* format for PRINT AND GPRINT */ - legend: null, /* legend */ - strftm: false, /* should the VDEF legend be formated with strftime */ - leg_x: 0, /* location of legend */ - leg_y: 0, - yrule: Number.NaN, /* value for y rule line and for VDEF */ - xrule: 0, /* time for x rule line and for VDEF */ - vf: null, /* instruction for VDEF function */ - rpnp: null, /* instructions for CDEF function */ - - /* SHIFT implementation */ - shidx: 0, /* gdes reference for offset (-1 --> constant) */ - shval: 0, /* offset if shidx is -1 */ - shift: 0, /* current shift applied */ - - /* description of data fetched for the graph element */ - start: 0, /* timestaps for first and last data element */ - end: 0, - start_orig: 0, /* timestaps for first and last data element */ - end_orig: 0, - step: 0, /* time between samples */ - step_orig: 0, /* time between samples */ - ds_cnt: 0, /* how many data sources are there in the fetch */ - data_first: 0, /* first pointer to this data */ - ds_namv: null, /* name of datasources in the fetch. */ - data: null, /* the raw data drawn from the rrd */ - p_data: null, /* processed data, xsize elments */ - linewidth: 0, /* linewideth */ - - /* dashed line stuff */ - dash: false, /* boolean, draw dashed line? */ - p_dashes: null, /* pointer do dash array which keeps the lengths of dashes */ - ndash: false, /* number of dash segments */ - offset: 0, /* dash offset along the line */ - - txtalign: 0, /* change default alignment strategy for text */ - - init: function (graph) - { - this.step = graph.step; - this.step_orig = graph.step; - this.start = graph.start; - this.start_orig = graph.start; - this.end = graph.end; - this.end_orig = graph.end; - this.cf = RRDGraphDesc.CF.AVERAGE; - this.cf_reduce = RRDGraphDesc.CF.AVERAGE; - this.data = []; - this.pdata = []; - this.ds_namv = []; - } -}; - -Date.prototype.getWeek = function() { - var onejan = new Date(this.getFullYear(),0,1); - return Math.ceil((((this - onejan) / 86400000) + onejan.getDay()+1)/7); -}; - - -var RRDGraph = function() { - this.init.apply(this, arguments); -}; - -RRDGraph.pad2 = function(number) { - return (number < 10 ? '0' : '') + number; -}; -RRDGraph.pad3 = function(number) { - return (number < 10 ? '00' : number < 100 ? '0' : '') + number; -}; -RRDGraph.lpad = function(str, padString, length) { - while (str.length < length) { - str = padString + str; - } - return str; -}; -RRDGraph.days = [ 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat' ]; -RRDGraph.fdays = [ 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']; -RRDGraph.months = [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ]; -RRDGraph.fmonths = [ 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']; -RRDGraph.TMT = { SECOND: 0, MINUTE: 1, HOUR: 2, DAY: 3, WEEK: 4, MONTH: 5 , YEAR: 6 }; - -RRDGraph.prototype = { - - xlab: [ {minsec: 0, length: 0, gridtm: RRDGraph.TMT.SECOND, gridst: 30, mgridtm: RRDGraph.TMT.MINUTE, mgridst: 5, labtm: RRDGraph.TMT.MINUTE, labst: 5, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }} , - {minsec: 2, length: 0, gridtm: RRDGraph.TMT.MINUTE, gridst: 1, mgridtm: RRDGraph.TMT.MINUTE, mgridst: 5, labtm: RRDGraph.TMT.MINUTE, labst: 5, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }} , - {minsec: 5, length: 0, gridtm: RRDGraph.TMT.MINUTE, gridst: 2, mgridtm: RRDGraph.TMT.MINUTE, mgridst: 10, labtm: RRDGraph.TMT.MINUTE, labst: 10, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }} , - {minsec: 10, length: 0, gridtm: RRDGraph.TMT.MINUTE, gridst: 5,mgridtm: RRDGraph.TMT.MINUTE, mgridst: 20, labtm: RRDGraph.TMT.MINUTE, labst: 20, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }} , - {minsec: 30, length: 0, gridtm: RRDGraph.TMT.MINUTE, gridst: 10, mgridtm: RRDGraph.TMT.HOUR, mgridst: 1, labtm: RRDGraph.TMT.HOUR, labst: 1, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }} , - {minsec: 60, length: 0, gridtm: RRDGraph.TMT.MINUTE, gridst: 30, mgridtm: RRDGraph.TMT.HOUR, mgridst: 2, labtm: RRDGraph.TMT.HOUR, labst: 2, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }} , - {minsec: 60, length: 24 * 3600, gridtm: RRDGraph.TMT.MINUTE, gridst: 30, mgridtm: RRDGraph.TMT.HOUR, mgridst: 2, labtm: RRDGraph.TMT.HOUR, labst: 6, precis: 0, stst: function (date) { return RRDGraph.days[date.getDay()]+' '+RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }}, - {minsec: 180, length: 0, gridtm: RRDGraph.TMT.HOUR, gridst: 1, mgridtm: RRDGraph.TMT.HOUR, mgridst: 6, labtm: RRDGraph.TMT.HOUR, labst: 6, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes());}} , - {minsec: 180, length: 24 * 3600, gridtm: RRDGraph.TMT.HOUR, gridst: 1, mgridtm: RRDGraph.TMT.HOUR, mgridst: 6, labtm: RRDGraph.TMT.HOUR, labst: 12, precis: 0, stst: function (date) { return RRDGraph.days[date.getDay()]+' '+RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes());}} , - {minsec: 600, length: 0, gridtm: RRDGraph.TMT.HOUR, gridst: 6, mgridtm: RRDGraph.TMT.DAY, mgridst: 1, labtm: RRDGraph.TMT.DAY, labst: 1, precis: 24 * 3600, stst: function (date) { return RRDGraph.days[date.getDay()];}}, - {minsec: 1200, length: 0, gridtm: RRDGraph.TMT.HOUR, gridst: 6, mgridtm: RRDGraph.TMT.DAY, mgridst: 1, labtm: RRDGraph.TMT.DAY, labst: 1, precis: 24 * 3600, stst: function (date) { return RRDGraph.pad2(date.getDate());}}, - {minsec: 1800, length: 0, gridtm: RRDGraph.TMT.HOUR, gridst: 12, mgridtm: RRDGraph.TMT.DAY, mgridst: 1, labtm: RRDGraph.TMT.DAY, labst: 2, precis: 24 * 3600, stst: function (date) { return RRDGraph.days[date.getDay()]+' '+RRDGraph.pad2(date.getDate());}} , - {minsec: 2400, length: 0, gridtm: RRDGraph.TMT.HOUR, gridst: 12, mgridtm: RRDGraph.TMT.DAY, mgridst: 1, labtm: RRDGraph.TMT.DAY, labst: 2, precis: 24 * 3600,stst: function (date) { return RRDGraph.days[date.getDay()];}} , - {minsec: 3600, length: 0, gridtm: RRDGraph.TMT.DAY, gridst: 1, mgridtm: RRDGraph.TMT.WEEK, mgridst: 1, labtm: RRDGraph.TMT.WEEK, labst: 1, precis: 7 * 24 * 3600, stst: function (date) { return 'Week '+RRDGraph.pad2(date.getWeek());}} , - {minsec: 3 * 3600, length: 0, gridtm: RRDGraph.TMT.WEEK, gridst: 1, mgridtm: RRDGraph.TMT.MONTH, mgridst: 1, labtm: RRDGraph.TMT.WEEK, labst: 2, precis: 7 * 24 * 3600, stst: function (date) { return 'Week '+RRDGraph.pad2(date.getWeek());}} , - {minsec: 6 * 3600, length: 0, gridtm: RRDGraph.TMT.MONTH, gridst: 1, mgridtm: RRDGraph.TMT.MONTH, mgridst: 1, labtm: RRDGraph.TMT.MONTH, labst: 1, precis: 30 * 24 * 3600, stst: function (date) { return RRDGraph.months[date.getMonth()];}} , - {minsec: 48 * 3600,length: 0, gridtm: RRDGraph.TMT.MONTH, gridst: 1, mgridtm: RRDGraph.TMT.MONTH, mgridst: 3, labtm: RRDGraph.TMT.MONTH, labst: 3, precis: 30 * 24 * 3600, stst: function (date) { return RRDGraph.months[date.getMonth()];}} , - {minsec: 315360, length: 0, gridtm: RRDGraph.TMT.MONTH, gridst: 3, mgridtm: RRDGraph.TMT.YEAR, mgridst: 1, labtm: RRDGraph.TMT.YEAR, labst: 1, precis: 365 * 24 * 3600, stst: function (date) { return ''+date.getFullYear();}} , - {minsec: 10 * 24 * 3600 , length: 0, gridtm: RRDGraph.TMT.YEAR, gridst: 1, mgridtm: RRDGraph.TMT.YEAR, mgridst: 1, labtm: RRDGraph.TMT.YEAR, labst: 1, precis: 365 * 24 * 3600, stst: function (date) { return ('' + date.getFullYear()).substr(2, 4);}} , - {minsec: -1, length: 0, gridtm: RRDGraph.TMT.MONTH, gridst: 0, mgridtm: RRDGraph.TMT.MONTH, mgridst: 0, labtm: RRDGraph.TMT.MONTH, labst: 0, precis: 0, stst: null } - ], - - ylab: [ {grid: 0.1, lfac: [1, 2, 5, 10] } , - {grid: 0.2, lfac: [1, 5, 10, 20] } , - {grid: 0.5, lfac: [1, 2, 4, 10] } , - {grid: 1.0, lfac: [1, 2, 5, 10] } , - {grid: 2.0, lfac: [1, 5, 10, 20] } , - {grid: 5.0, lfac: [1, 2, 4, 10] } , - {grid: 10.0, lfac: [1, 2, 5, 10] } , - {grid: 20.0, lfac: [1, 5, 10, 20] } , - {grid: 50.0, lfac: [1, 2, 4, 10] } , - {grid: 100.0, lfac: [1, 2, 5, 10] } , - {grid: 200.0, lfac: [1, 5, 10, 20] } , - {grid: 500.0, lfac: [1, 2, 4, 10] }, - {grid: 0.0, lfac: [0, 0, 0, 0] } - ], - si_symbol: [ - 'a', /* 10e-18 Atto */ - 'f', /* 10e-15 Femto */ - 'p', /* 10e-12 Pico */ - 'n', /* 10e-9 Nano */ - 'u', /* 10e-6 Micro */ - 'm', /* 10e-3 Milli */ - ' ', /* Base */ - 'k', /* 10e3 Kilo */ - 'M', /* 10e6 Mega */ - 'G', /* 10e9 Giga */ - 'T', /* 10e12 Tera */ - 'P', /* 10e15 Peta */ - 'E' /* 10e18 Exa */ - ], - si_symbcenter: 6, - - GRC: null, - - GFX_H: { LEFT: 1, RIGHT: 2, CENTER: 3 }, - GFX_V: { TOP: 1, BOTTOM: 2, CENTER: 3 }, - - DEFAULT_FONT: 'DejaVu Sans Mono', //DejaVu Sans Mono ,Bitstream Vera Sans Mono,monospace,Courier', -// DEFAULT_FONT: 'DejaVuSansMono', //DejaVu Sans Mono ,Bitstream Vera Sans Mono,monospace,Courier', -// pt -> pt=px*72/96 - TEXT: null, - MGRIDWIDTH: 0.6, - GRIDWIDTH: 0.4, - - YLEGEND_ANGLE: 90.0, - - LEGEND_POS: { NORTH: 0, WEST: 1, SOUTH: 2, EAST: 3 }, - LEGEND_DIR: { TOP_DOWN: 0, BOTTOM_UP: 1 }, - - canvas: null, - ctx: null, - xsize: 400, /* graph area size in pixels */ - ysize: 100, - ylegend: null, /* legend along the yaxis */ - title: '', /* title for graph */ - watermark: null, /* watermark for graph */ - draw_x_grid: true, /* no x-grid at all */ - draw_y_grid: true, /* no y-grid at all */ - draw_3d_border: 2, /* size of border in pixels, 0 for off */ - dynamic_labels: false,/* pick the label shape according to the line drawn */ - grid_dash_on: 1, - grid_dash_off: 1, - xlab_form: null, /* format for the label on the xaxis */ - second_axis_scale: 0, /* relative to the first axis (0 to disable) */ - second_axis_shift: 0, /* how much is it shifted vs the first axis */ - second_axis_legend: null, /* label to put on the seond axis */ - second_axis_format: null, /* format for the numbers on the scond axis */ - ygridstep: Number.NaN, /* user defined step for y grid */ - ylabfact: 0, /* every how many y grid shall a label be written ? */ - tabwidth: 40, /* tabwdith */ - start: 0, /* what time does the graph cover */ - start_t: null, - end: 0, - end_t: null, - step: 0, /* any preference for the default step ? */ - setminval: Number.NaN, /* extreme values in the data */ - setmaxval: Number.NaN, - minval: Number.NaN, /* extreme values in the data */ - maxval: Number.NaN, - rigid: false, /* do not expand range even with values outside */ - gridfit: true, /* adjust y-axis range etc so all grindlines falls in integer pixel values */ - lazy: 0, /* only update the image if there is reasonable probablility that the existing one is out of date */ - slopemode: false, /* connect the dots of the curve directly, not using a stair */ - legendposition: 0, /* the position of the legend: north, west, south or east */ - legenddirection: 0, /* The direction of the legend topdown or bottomup */ - logarithmic: false, /* scale the yaxis logarithmic */ - force_scale_min: 0, /* Force a scale--min */ - force_scale_max: 0, /* Force a scale--max */ - /* status information */ - //with_markup: 0, - xorigin: 0, /* where is (0,0) of the graph */ - yorigin: 0, - xOriginTitle: 0, /* where is the origin of the title */ - yOriginTitle: 0, - xOriginLegendY: 0, /* where is the origin of the y legend */ - yOriginLegendY: 0, - xOriginLegendY2: 0, /* where is the origin of the second y legend */ - yOriginLegendY2: 0, - xOriginLegend: 0, /* where is the origin of the legend */ - yOriginLegend: 0, - ximg: 0, /* total size of the image */ - yimg: 0, - legendwidth: 0, /* the calculated height and width of the legend */ - legendheight: 0, - zoom: 1, - magfact: 0, /* numerical magnitude */ - base: 1000, /* 1000 or 1024 depending on what we graph */ - symbol: null, /* magnitude symbol for y-axis */ - viewfactor: 1.0, /* how should the numbers on the y-axis be scaled for viewing ? */ - unitsexponent: 9999, /* 10*exponent for units on y-asis */ - unitslength: 6, /* width of the yaxis labels */ - forceleftspace: false, /* do not kill the space to the left of the y-axis if there is no grid */ - - alt_ygrid: false, /* use alternative y grid algorithm */ - alt_autoscale: false, /* use alternative algorithm to find lower and upper bounds */ - alt_autoscale_min: false, /* use alternative algorithm to find lower bounds */ - alt_autoscale_max: false, /* use alternative algorithm to find upper bounds */ - no_legend: false, /* use no legend */ - no_minor: false, /* Turn off minor gridlines */ - only_graph: false, /* use only graph */ - force_rules_legend: false, /* force printing of HRULE and VRULE legend */ - force_units: false, /* mask for all FORCE_UNITS_* flags */ - force_unit_si: false, /* force use of SI units in Y axis (no effect in linear graph, SI instead of E in log graph) */ - full_size_mode: false, /* -width and -height indicate the total size of the image */ - no_rrdtool_tag: false, /* disable the rrdtool tag */ - - xlab_user: null, - ygrid_scale: null, - - gdes: null, - - ytr_pixie: 0, - xtr_pixie: 0, - - rrdfiles: null, - - init: function (canvasId) - { - this.canvas = document.getElementById(canvasId); - this.ctx = this.canvas.getContext('2d'); - - this.AlmostEqualBuffer = new ArrayBuffer(Float32Array.BYTES_PER_ELEMENT*2); - this.AlmostEqualInt = new Int32Array(this.AlmostEqualBuffer); - this.AlmostEqualFloat = new Float32Array(this.AlmostEqualBuffer); - - this.legenddirection = this.LEGEND_DIR.TOP_DOWN; - this.legendposition = this.LEGEND_POS.SOUTH; - this.gdes = []; - this.rrdfiles = {}; - this.TEXT = { DEFAULT: { size: 11, font: this.DEFAULT_FONT }, - TITLE: { size: 12, font: this.DEFAULT_FONT }, - AXIS: { size: 10, font: this.DEFAULT_FONT }, - UNIT: { size: 11, font: this.DEFAULT_FONT }, - LEGEND: { size: 11, font: this.DEFAULT_FONT }, - WATERMARK: { size: 8, font: this.DEFAULT_FONT } }; - this.GRC = { CANVAS: 'rgba(255, 255, 255, 1.0)', - BACK: 'rgba(242,242, 242, 1.0)', - SHADEA: 'rgba(207, 207, 207, 1.0)', - SHADEB: 'rgba(158, 158, 158, 1.0)', - GRID: 'rgba(143, 143, 143, 0.75)', - MGRID: 'rgba(222, 79, 79, 0.60)', - FONT: 'rgba(0, 0, 0, 1.0)', - ARROW: 'rgba(127, 31, 31, 1.0)', - AXIS: 'rgba(31, 31, 31, 1.0)', - FRAME: 'rgba(0, 0, 0, 1.0)' }; - - - this.start_t = new RRDTime("end-24h"); - this.end_t = new RRDTime("now"); - }, - set_default_font: function (name) - { - for (var font in this.TEXT) - this.TEXT[font].font = name; - }, - set_option: function(option, value) - { - switch(option) { - case 'alt-autoscale': - case 'A': - this.alt_autoscale = true; - break; - case 'base': - case 'b': - this.base = parseInt(value, 10); - if (this.base !== 1000 && this.base !== 1024) - throw 'the only sensible value for base apart from 1000 is 1024'; - break; - case 'color': - case 'c': - var index = value.indexOf('#'); - if (index === -1) - throw "invalid color def format"; - var name = value.substr(0,index); - if (!this.GRC[name]) - throw "invalid color name '"+name+"'"; - this.GRC[name] = value.substr(index); // FIXME check color - break; - case 'full-size-mode': - case 'D': - this.full_size_mode = true; - break; - case 'slope-mode': - case 'E': - this.slopemode = true; - break; - case 'end': - case 'e': - this.end_t = new RRDTime(value); -// this.end = parseInt(value); - break; - case 'force-rules-legend': - case 'F': - this.force_rules_legend = true; - break; - case 'imginfo': - case 'f': - // im->imginfo = optarg; - break; - case 'graph-render-mode': - case 'G': - // im->graph_antialias - break; - case 'no-legend': - case 'g': - this.no_legend = true; - break; - case 'height': - case 'h': - this.ysize = parseInt(value, 10); - break; - case 'no-minor': - case 'I': - this.no_minor = false; - break; - case 'interlaced': - case 'i': - break; - case 'alt-autoscale-min': - case 'J': - this.alt_autoscale_min = true; - break; - case 'only-graph': - case 'j': - this.only_graph = true; - break; - case 'units-length': - case 'L': - this.unitslength = parseInt(value, 10); - this.forceleftspace = true; - break; - case 'lower-limit': - case 'l': - this.setminval = parseFloat(value); - break; - case 'alt-autoscale-max': - case 'M': - this.alt_autoscale_max = true; - break; - case 'zoom': - case 'm': - this.zoom = parseFloat(value); - if (this.zoom <= 0.0) - throw "zoom factor must be > 0"; - break; - case 'no-gridfit': - case 'N': - this.gridfit = true; - break; - case 'font': - case 'n': - var args = value.split(':'); - if (args.length !== 3) - throw "invalid text property format"; - if (!this.TEXT[args[0]]) - throw "invalid fonttag '"+args[0]+"'"; - if (args[1] > 0) - this.TEXT[args[0]].size = args[1]; - if (args[2]) - this.TEXT[args[0]].font = args[2]; - break; - case 'logarithmic': - case 'o': - this.logarithmic = true; - break; - case 'pango-markup': - case 'P': - // im->with_markup = 1; - break; - case 'font-render-mode': - case 'R': - // im->font_options: normal light mono - break; - case 'rigid': - case 'r': - this.rigid = true; - break; - case 'step': - this.step = parseInt(value, 10); - break; - case 'start': - case 's': - this.start_t = new RRDTime(value); - //this.start = parseInt(value); - break; - case 'tabwidth': - case 'T': - this.tabwidth = parseFloat(value); - break; - case 'title': - case 't': - this.title = value; - break; - case 'upper-limit': - case 'u': - this.setmaxval = parseFloat(value); - break; - case 'vertical-label': - case 'v': - this.ylegend = value; - break; - case 'watermark': - case 'W': - this.watermark = value; - break; - case 'width': - case 'w': - this.xsize = parseInt(value, 10); - if (this.xsize < 10) - throw "width below 10 pixels"; - break; - case 'units-exponent': - case 'X': - this.unitsexponent = parseInt(value, 10); - break; - case 'x-grid': - case 'x': - if (value === 'none') { - this.draw_x_grid = false; - } else { - var args = value.split(':'); - if (args.length !== 8) - throw "invalid x-grid format"; - this.xlab_user.gridtm = this.tmt_conv(args[0]); - if (this.xlab_user.gridtm < 0) - throw "unknown keyword "+args[0]; - this.xlab_user.gridst = parseInt(args[1], 10); - this.xlab_user.mgridtm = this.tmt_conv(args[2]); - if (this.xlab_user.mgridtm < 2) - throw "unknown keyword "+args[2]; - this.xlab_user.mgridst = parseInt(args[3], 10); - this.xlab_user.labtm = this.tmt_conv(args[4]); - if (this.xlab_user.labtm < 0) - throw "unknown keyword "+args[4]; - this.xlab_user.labst = parseInt(args[5], 10); - this.xlab_user.precis = parseInt(args[6], 10); - this.xlab_user.minsec = 1; - this.xlab_form = args[7]; // FIXME : ? join(:) - this.xlab_user.stst = this.xlab_form; - } - break; - case 'alt-y-grid': - case 'Y': - this.alt_y_grid = true; - break; - case 'y-grid': - case 'y': - if (value === 'none') { - this.draw_y_grid = false; - } else { - var index = value.indexOf(':'); - if (index === -1) - throw "invalid y-grid format"; - this.ygridstep = parseFloat(value.substr(0,index)); - if (this.ygridstep <= 0) - throw "grid step must be > 0"; - this.ylabfact = parseInt(value.substr(index+1), 10); - if (this.ylabfact < 1) - throw "label factor must be > 0"; - } - break; - case 'lazy': - case 'z': - this.lazy = 1; - break; - case 'units': - if (this.force_units) - throw "--units can only be used once!"; - if (value === 'si') - this.force_units_si = true; - else - throw "invalid argument for --units: "+value; - break; - case 'alt-y-mrtg': - break; - case 'disable-rrdtool-tag': - this.no_rrdtool_tag = true; - break; - case 'right-axis': - var index = value.indexOf(':'); - if (index === -1) - throw "invalid right-axis format expected scale:shift"; - this.second_axis_scale = parseFloat(value.substr(0,index)); - if(this.second_axis_scale === 0) - throw "the second_axis_scale must not be 0"; - this.second_axis_shift = parseFloat(value.substr(index+1)); - break; - case 'right-axis-label': - this.second_axis_legend = value; - break; - case 'right-axis-format': - this.second_axis_format = value; - break; - case 'legend-position': - if (value === "north") { - this.legendposition = this.LEGEND_POS.NORTH; - } else if (value === "west") { - this.legendposition = this.LEGEND_POS.WEST; - } else if (value === "south") { - this.legendposition = this.LEGEND_POS.SOUTH; - } else if (value === "east") { - this.legendposition = this.LEGEND_POS.EAST; - } else { - throw "unknown legend-position '"+value+"'"; - } - break; - case 'legend-direction': - if (value === "topdown") { - this.legenddirection = this.LEGEND_DIR.TOP_DOWN; - } else if (value === "bottomup") { - this.legenddirection = this.LEGEND_DIR.BOTTOM_UP; - } else { - throw "unknown legend-position '"+value+"'"; - } - break; - case 'border': - this.draw_3d_border = parseInt(value, 10); - break; - case 'grid-dash': - var index = value.indexOf(':'); - if (index === -1) - throw "expected grid-dash format float:float"; - this.grid_dash_on = parseFloat(value.substr(0,index)); - this.grid_dash_off = parseFloat(value.substr(index+1)); - break; - case 'dynamic-labels': - this.dynamic_labels = true; - break; - default: - throw 'Unknow option "'+option+'"'; - } - - }, - parse_color: function(str) - { - var bits; - if ((bits = /^#?([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])$/.exec(str))) { - return [ - parseInt(bits[1] + bits[1], 16), - parseInt(bits[2] + bits[2], 16), - parseInt(bits[3] + bits[3], 16), - 1.0]; - } else if ((bits = /^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/.exec(str))) { - return [ - parseInt(bits[1], 16), - parseInt(bits[2], 16), - parseInt(bits[3], 16), - 1.0]; - } else if ((bits = /^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/.exec(str))) { - return [ - parseInt(bits[1], 16), - parseInt(bits[2], 16), - parseInt(bits[3], 16), - parseInt(bits[4], 16)/255]; - } else if ((bits = /^rgb\((\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\)$/.exec(str))) { - return [ - parseInt(bits[1], 10), - parseInt(bits[2], 10), - parseInt(bits[3], 10), - 1.0]; - } else if ((bits = /^rgba\((\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*([0-9.]+)\)$/.exec(str))) { - return [ - parseInt(bits[1], 10), - parseInt(bits[2], 10), - parseInt(bits[3], 10), - parseFloat(bits[4]), 10]; - } else { - throw "Unknown color format '" + str + "'"; - } - }, - color2rgba: function (color) - { - return 'rgba('+color[0]+','+color[1]+','+color[2]+','+color[3]+')'; - }, - cmdline: function(line) // FIXME - { - var i = 0; - line = line.replace(/\n/g," "); - var lines = line.match(/[^" ]+|"[^"]+"/g); - var len = lines.length; - - while (i < len) { - var arg = lines[i]; - if (arg.charAt(0) === '"' && arg.charAt(arg.length-1) === '"') - arg = arg.substr(1,arg.length-2); - if (/^LINE[0-9.]+:/.test(arg)) { - this.parse_line(arg); - } else if (/^AREA:/.test(arg)) { - this.parse_area(arg); - } else if (/^DEF:/.test(arg)) { - this.parse_def(arg); - } else if (/^CDEF:/.test(arg)) { - this.parse_cdef(arg); - } else if (/^VDEF:/.test(arg)) { - this.parse_vdef(arg); - } else if (/^GPRINT:/.test(arg)) { - this.parse_gprint(arg); - } else if (/^COMMENT:/.test(arg)) { - this.parse_comment(arg); - } else if (/^VRULE:/.test(arg)) { - this.parse_vrule(arg); - } else if (/^HRULE:/.test(arg)) { - this.parse_hrule(arg); - } else if (/^TICK:/.test(arg)) { - this.parse_tick(arg); - } else if (/^TEXTALIGN:/.test(arg)) { - this.parse_textaling(arg); - } else if (/^SHIFT:/.test(arg)) { - this.parse_shift(arg); - } else if (arg.charAt(0) === '-') { - var strip = 1; - if (arg.length > 1 && arg.charAt(1) === '-') { - strip = 2; - } - var option = arg.substr(strip); - var value = undefined; - - if (option.indexOf('=') !== -1) { - var index = option.indexOf('='); - value = option.substr(index+1); - option = option.substr(0,index); - } else if (i+1 < len) { - if (lines[i+1].charAt(0) !== '-' && - !/^"?LINE[0-9.]+:/.test(lines[i+1]) && - !/^"?AREA:/.test(lines[i+1]) && - !/^"?DEF:/.test(lines[i+1]) && - !/^"?CDEF:/.test(lines[i+1]) && - !/^"?VDEF:/.test(lines[i+1]) && - !/^"?GPRINT:/.test(lines[i+1]) && - !/^"?COMMENT:/.test(lines[i+1]) && - !/^"?HRULE:/.test(lines[i+1]) && - !/^"?VRULE:/.test(lines[i+1]) && - !/^"?TICK:/.test(lines[i+1]) && - !/^"?TEXTALING:/.test(lines[i+1]) && - !/^"?SHIFT:/.test(lines[i+1]) - ) { - i++; - if (lines[i].charAt(0) === '"' && lines[i].charAt(lines[i].length-1) === '"') - value = lines[i].substr(1,lines[i].length-2); - else - value = lines[i]; - } - } - this.set_option(option, value); - } else { - throw "Unknow argument: "+arg; - } - i++; - } - var start_end = RRDTime.proc_start_end(this.start_t, this.end_t); // FIXME here? - this.start = start_end[0]; - this.end = start_end[1]; - }, - sprintf: function() - { - var argc = 0; - var args = arguments; - var fmt = args[argc++]; - - function format (match, width, dot, precision, length, conversion) - { - if (match === '%%') return '%'; - - var value = args[argc++]; - var prefix; - - if (width === undefined) - width = 0; - else - width = +width; - - if (precision === undefined) - precision = conversion == 'd' ? 0 : 6; - else - precision = +precision; - - switch (conversion) { - case 's': - case 'c': - return value; - break; - case 'd': - return parseInt(value, 10); - break; - case 'e': - prefix = value < 0 ? '-' : ''; - return RRDGraph.lpad(prefix+Math.abs(value).toExponential(precision),' ',width); - break; - case 'f': - prefix = value < 0 ? '-' : ''; - return RRDGraph.lpad(prefix+Math.abs(value).toFixed(precision),' ',width); - break; - case 'g': - prefix = value < 0 ? '-' : ''; - return RRDGraph.lpad(prefix+Math.abs(value).toPrecision(precision),' ',width); - break; - default: - return match; - } - - }; - return fmt.replace(/%(\d+)?(\.(\d+))?(l?)([%scdfeg])/g,format); - }, - strftime: function (ftm, time) - { - var d = new Date(time*1000); - - function format(match, opt) - { - if (match === '%%') return '%'; - - switch (opt) { - case 'a': - return RRDGraph.days[d.getDay()]; - break; - case 'A': - return RRDGraph.fdays[d.getDay()]; - break; - case 'b': - return RRDGraph.months[d.getMonth()]; - break; - case 'B': - return RRDGraph.fmonths[d.getMonth()]; - break; - case 'c': - return d.toLocaleString(); - break; - case 'd': - return RRDGraph.pad2(d.getDate()); - break; - case 'H': - return RRDGraph.pad2(d.getHours()); - break; - case 'I': - var hours = d.getHours()%12; - return RRDGraph.pad2(hours === 0 ? 12 : hours); - break; - case 'j': - var d01 = new Date (date.getFullYear(), 0, 1); - return RRDGraph.pad3(Math.ceil((d01.getTime()-d.getTime())/86400000)); - break; - case 'm': - return RRDGraph.pad2(d.getMonth()); - break; - case 'M': - return RRDGraph.pad2(d.getMinutes()); - break; - case 'p': - return d.getHours() >= 12 ? 'PM' : 'AM'; - break; - case 's': - return RRDGraph.pad2(d.getSeconds()); - break; - case 'S': - return d.getTime()/1000; - break; -//%U The week number of the current year as a decimal number, range 00 to 53, starting with the first Sunday as the first day of week 01. See also %V and %W. - case 'U': - var d01 = new Date(this.getFullYear(),0,1); - return RRDGraph.pad2(Math.ceil((((d.getTime() - d01.getTime()) / 86400000) + d01.getDay()+1)/7)); // FIXME weeks - break; -//%V The ISO 8601:1988 week number of the current year as a decimal number, range 01 to 53, where week 1 is the first week that has at least 4 days in the current year, and with Monday as the first day of the week. See also %U and %W. - case 'V': - var d01 = new Date(this.getFullYear(),0,1); // FIXME weeks - break; -//%W The week number of the current year as a decimal number, range 00 to 53, starting with the first Monday as the first day of week 01. - case 'w': - return d.getDay(); - break; - case 'W': // FIXME weeks - break; - case 'x': - return RRDGraph.pad2(d.getDate())+'/'+RRDGraph.pad2(d.getMonth())+'/'+d.getFullYear(); - break; - case 'X': - return RRDGraph.pad2(d.getHours())+':'+RRDGraph.pad2(d.getMinutes())+':'+RRDGraph.pad2(d.getSeconds()); - break; - case 'y': - return RRDGraph.pad2(d.getFullYear()%100); - break; - case 'Y': - return d.getFullYear(); - break; - case 'Z': - return d.toString().replace(/^.*\(([^)]+)\)$/, '$1'); - break; - default: - return match; - } - }; - return fmt.replace(/%([aAbBcdHIjmMpsSUVwWxXyYZ%])/g, format); - }, - gfx_line: function (X0, Y0, X1, Y1, width, color) - { - X0 = Math.round(X0); - Y0 = Math.round(Y0); - X1 = Math.round(X1); - Y1 = Math.round(Y1); - - if (Y0 === Y1) { - Y0 += 0.5; - Y1 += 0.5; - } else if (X0 === X1) { - X0 += 0.5; - X1 += 0.5; - } - - this.ctx.save(); - this.ctx.lineWidth = width; - this.ctx.strokeStyle = color; - this.ctx.beginPath(); - this.ctx.moveTo(X0, Y0); - this.ctx.lineTo(X1, Y1); - this.ctx.stroke(); - this.ctx.restore(); - }, - gfx_dashed_line: function (X0, Y0, X1, Y1, width, color, dash_on, dash_off) - { - X0 = Math.round(X0); - Y0 = Math.round(Y0); - X1 = Math.round(X1); - Y1 = Math.round(Y1); - - this.ctx.save(); - this.ctx.lineWidth = width; - this.ctx.strokeStyle = color; - - this.ctx.beginPath(); - if (Y0 === Y1) { - Y0 += 0.5; - Y1 += 0.5; - if (X0 > X1) { - var swap = X0; - X0 = X1; - X1 = swap; - } - this.ctx.moveTo(X0, Y0); - var n=0; - while(X0<=X1) { - if (n%2 === 1) { - X0 += dash_on; - this.ctx.lineTo(X0, Y0); - } else { - X0 += dash_off; - this.ctx.moveTo(X0, Y0); - } - n++; - } - } else if (X0 === X1) { - X0 += 0.5; - X1 += 0.5; - if (Y0 > Y1) { - var swap = Y0; - Y0 = Y1; - Y1 = swap; - } - this.ctx.moveTo(X0, Y0); - var n=0; - while(Y0<=Y1) { - if (n%2 === 1) { - Y0 += dash_on; - this.ctx.lineTo(X0, Y0); - } else { - Y0 += dash_off; - this.ctx.moveTo(X0, Y0); - } - n++; - } - - } else { - this.ctx.moveTo(X0, Y0); - this.ctx.lineTo(X1, Y1); - } - this.ctx.stroke(); - this.ctx.restore(); - }, - gfx_new_area: function (X0, Y0, X1, Y1, X2, Y2, color) - { - X0 = Math.round(X0)+0.5; - Y0 = Math.round(Y0)+0.5; - X1 = Math.round(X1)+0.5; - Y1 = Math.round(Y1)+0.5; - X2 = Math.round(X2)+0.5; - Y2 = Math.round(Y2)+0.5; - this.ctx.fillStyle = color; - this.ctx.beginPath(); - this.ctx.moveTo(X0, Y0); - this.ctx.lineTo(X1, Y1); - this.ctx.lineTo(X2, Y2); - }, - gfx_add_point: function (x, y) - { - this.ctx.lineTo(x, y); - }, - gfx_close_path: function () - { - this.ctx.closePath(); - this.ctx.fill(); - }, - gfx_text: function (x, y, color, font, tabwidth, angle, h_align, v_align, text) - { - x = Math.round(x); - y = Math.round(y); - - this.ctx.save(); - this.ctx.font = font.size+'px '+"'"+font.font+"'"; - - switch (h_align) { - case this.GFX_H.LEFT: - this.ctx.textAlign = 'left'; - break; - case this.GFX_H.RIGHT: - this.ctx.textAlign = 'right'; - break; - case this.GFX_H.CENTER: - this.ctx.textAlign = 'center'; - break; - } - - switch (v_align) { - case this.GFX_V.TOP: - this.ctx.textBaseline = 'top'; - break; - case this.GFX_V.BOTTOM: - this.ctx.textBaseline = 'bottom'; - break; - case this.GFX_V.CENTER: - this.ctx.textBaseline = 'middle'; - break; - } - - this.ctx.fillStyle = color; - this.ctx.translate(x,y); - this.ctx.rotate(-angle*Math.PI/180.0); - this.ctx.fillText(text, 0, 0); - this.ctx.restore(); - }, - gfx_get_text_width: function( start, font, tabwidth, text) - { - this.ctx.save(); - this.ctx.font = font.size+"px "+font.font; - var width = this.ctx.measureText(text); - this.ctx.restore(); - return width.width; - }, - xtr: function (mytime) - { - if (mytime === 0) { - this.xtr_pixie = this.xsize / (this.end - this.start); - return this.xorigin; - } - return this.xorigin + this.xtr_pixie * (mytime - this.start); - }, - ytr: function (value) - { - var yval; - - if (isNaN(value)) { - if (!this.logarithmic) - this.ytr_pixie = this.ysize / (this.maxval - this.minval); - else - this.ytr_pixie = this.ysize / ((Math.log(this.maxval)/Math.LN10) - (Math.log(this.minval)/Math.LN10)); - yval = this.yorigin; - } else if (!this.logarithmic) { - yval = this.yorigin - this.ytr_pixie * (value - this.minval); - } else { - if (value < this.minval) { - yval = this.yorigin; - } else { - yval = this.yorigin - this.ytr_pixie * ((Math.log(value)/Math.LN10) - (Math.log(this.minval)/Math.LN10)); - } - } - return yval; - }, - // http://stackoverflow.com/questions/3077718/converting-a-decimal-value-to-a-32bit-floating-point-hexadecimal - floatToIntBits: function (f) - { - var NAN_BITS = 0|0x7FC00000; - var INF_BITS = 0|0x7F800000; - var ZERO_BITS = 0|0x00000000; - var SIGN_MASK = 0|0x80000000; - var EXP_MASK = 0|0x7F800000; - var MANT_MASK = 0|0x007FFFFF; - var MANT_MAX = Math.pow(2.0, 23) - 1.0; - - if (f != f) - return NAN_BITS; - var hasSign = f < 0.0 || (f == 0.0 && 1.0 / f < 0); - var signBits = hasSign ? SIGN_MASK : 0; - var fabs = Math.abs(f); - - if (fabs == Number.POSITIVE_INFINITY) - return signBits | INF_BITS; - - var exp = 0, x = fabs; - while (x >= 2.0 && exp <= 127) { - exp++; - x /= 2.0; - } - while (x < 1.0 && exp >= -126) { - exp--; - x *= 2.0; - } - if (!(x * Math.pow(2.0, exp) == fabs)) throw "floatToIntBits: error fabs."; - var biasedExp = exp + 127; - if (!(0 <= biasedExp && biasedExp <= 254)) throw "floatToIntBits: error biasedExp "+biasedExp; - - if (biasedExp == 255) - return signBit | INF_BITS; - if (biasedExp == 0) { - if (!(0.0 <= x && x < 2.0)) throw "floatToIntBits: x in [0.0, 1.0) "+x; - var mantissa = x * Math.pow(2.0, 23) / 2.0; - } else { - if (!(1.0 <= x && x < 2.0)) throw "floatToIntBits: x in [0.5; 1.0) "+x; - var mantissa = x * Math.pow(2.0, 23) - Math.pow(2.0, 23); - } - var mantissaBits = mantissa & MANT_MASK; - if (!(0.0 <= mantissaBits && mantissaBits <= MANT_MAX)) throw "floatToIntBits: mantissa in [0.0, 2^23) "+mantissa+" MANT_MAX "+MANT_MAX+" "+(mantissa & MANT_MASK); - - //console.log("number", f, "x", x, "biasedExp", biasedExp, "mantissa", mantissa.toString(16)); - var expBits = (biasedExp << 23) & EXP_MASK; - - //console.log("number", f, "sign", signBits.toString(16), "expBits", expBits.toString(16), "mantissaBits", mantissaBits.toString(16)); - return signBits | expBits | mantissaBits; - }, -/* - AlmostEqual2sComplement: function(A, B, maxUlps) - { - var aInt = this.floatToIntBits(A); - if (aInt < 0) aInt = 0x80000000 - aInt; - - var bInt = this.floatToIntBits(B); - if (bInt < 0) bInt = 0x80000000 - bInt; - - var intDiff = Math.abs(aInt - bInt); - - if (intDiff <= maxUlps) - return true; - - return false; - }, -*/ - AlmostEqual2sComplement: function(A, B, maxUlps) - { - - this.AlmostEqualFloat[0] = A; - this.AlmostEqualFloat[1] = B; - - var aInt = this.AlmostEqualInt[0]; - if (aInt < 0) aInt = 0x80000000 - aInt; - - var bInt = this.AlmostEqualInt[1]; - if (bInt < 0) bInt = 0x80000000 - bInt; - - var intDiff = Math.abs(aInt - bInt); - - if (intDiff <= maxUlps) - return true; - - return false; - }, -/* -//AlmostEqualRelative -//AlmostEqualRelativeOrAbsolute - AlmostEqual2sComplement: function(A, B, error) // FIXME may not work, maxUpls??? - { - error = 0.00001 - - if (A == B) - return true; - - var relerror; - if (Math.abs(B) > Math.abs(A)) - relerror = Math.abs((A - B) / B); - else - relerror = Math.abs((A - B) / A); - - if (relerror <= error) - return true; -//console.log("AlmostEqual2sComplement("+A+","+B+"): Math.abs(A - B):"+(Math.abs(A - B))+" < "+maxUlps+" relativeError: "+error); - return false; - }, -*/ - tmt2str: function (val) - { - switch (val) { - case RRDGraph.TMT.SECOND: return 'sec'; - case RRDGraph.TMT.MINUTE: return 'min'; - case RRDGraph.TMT.HOUR: return 'hour'; - case RRDGraph.TMT.DAY: return 'day'; - case RRDGraph.TMT.WEEK: return 'week'; - case RRDGraph.TMT.MONTH: return 'mon'; - case RRDGraph.TMT.YEAR: return 'year'; - } - return val; - }, - find_first_time: function(start, baseint, basestep) - { - var date = new Date(start*1000); - - switch (baseint) { - case RRDGraph.TMT.SECOND: - var sec = date.getSeconds(); - sec -= sec % basestep; - date.setSeconds(sec); - break; - case RRDGraph.TMT.MINUTE: - date.setSeconds(0); - var min = date.getMinutes(); - min -= min % basestep; - date.setMinutes(min); - break; - case RRDGraph.TMT.HOUR: - date.setSeconds(0); - date.setMinutes(0); - var hour = date.getHours(); - hour -= hour % basestep; - date.setHours(hour); - break; - case RRDGraph.TMT.DAY: - date.setSeconds(0); - date.setMinutes(0); - date.setHours(0); - break; - case RRDGraph.TMT.WEEK: - date.setSeconds(0); - date.setMinutes(0); - date.setHours(0); - var mday = date.getDate(); - var wday = date.getDay(); - mday -= wday - 1; // FIXME find_first_weekday - if (wday === 0) mday -= 7;// FIXME find_first_weekday - date.setDate(mday); - break; - case RRDGraph.TMT.MONTH: - date.setSeconds(0); - date.setMinutes(0); - date.setHours(0); - date.setDate(1); - var mon = date.getMonth(); - mon -= mon % basestep; - date.setMonth(mon); - break; - case RRDGraph.TMT.YEAR: - date.setSeconds(0); - date.setMinutes(0); - date.setHours(0); - date.setDate(1); - date.setMonth(0); - var year = date.getFullYear()-1900; - year -= (year + 1900) %basestep; - date.setFullYear(year+1900); - } - return Math.round(date.getTime()/1000.0); - }, - find_next_time: function(current, baseint, basestep) - { - var date = new Date(current*1000); - var limit = 2; - var madetime; - - switch (baseint) { - case RRDGraph.TMT.SECOND: limit = 7200; break; - case RRDGraph.TMT.MINUTE: limit = 120; break; - case RRDGraph.TMT.HOUR: limit = 2; break; - default: limit = 2; break; - } - - do { - switch (baseint) { - case RRDGraph.TMT.SECOND: - date.setSeconds(date.getSeconds()+basestep); - break; - case RRDGraph.TMT.MINUTE: - date.setMinutes(date.getMinutes()+basestep); - break; - case RRDGraph.TMT.HOUR: - date.setHours(date.getHours()+basestep); - break; - case RRDGraph.TMT.DAY: - date.setDate(date.getDate()+basestep); - break; - case RRDGraph.TMT.WEEK: - date.setDate(date.getDate()+7*basestep); - break; - case RRDGraph.TMT.MONTH: - date.setMonth(date.getMonth()+basestep); - break; - case RRDGraph.TMT.YEAR: - date.setFullYear(date.getFullYear()+basestep); - break; - } - madetime = Math.round(date.getTime()/1000.0); - } while (madetime === -1 && limit-- >= 0); /* this is necessary to skip impossible times like the daylight saving time skips */ // FIXME ?? - return madetime; - }, - print_calc: function() - { - var validsteps; - var printval; - var tmvdef; - var graphelement = 0; - var max_ii; - var magfact = -1; - var si_symb = ""; - var percent_s; - var prline_cnt = 0; - - var now = Math.round((new Date()).getTime() / 1000); - - for (var i = 0, gdes_c = this.gdes.length; i < gdes_c; i++) { - var vidx = this.gdes[i].vidx; - switch (this.gdes[i].gf) { - case RRDGraphDesc.GF.PRINT: - case RRDGraphDesc.GF.GPRINT: - if (this.gdes[vidx].gf === RRDGraphDesc.CF.VDEF) { /* simply use vals */ - printval = this.gdes[vidx].vf.val; - tmvdef = this.gdes[vidx].vf.when; - // localtime_r(&this.gdes[vidx].vf.when, &tmvdef); // FIXME ? - } else { /* need to calculate max,min,avg etcetera */ - max_ii = ((this.gdes[vidx].end - this.gdes[vidx].start) / this.gdes[vidx].step * this.gdes[vidx].ds_cnt); - printval = Number.NaN; - validsteps = 0; - - for (var ii = this.gdes[vidx].ds; ii < max_ii; ii += this.gdes[vidx].ds_cnt) { - if (!isFinite(this.gdes[vidx].data[ii])) continue; - if (isNaN(printval)) { - printval = this.gdes[vidx].data[ii]; - validsteps++; - continue; - } - switch (this.gdes[i].cf) { - case RRDGraphDesc.CF.HWPREDICT: - case RRDGraphDesc.CF.MHWPREDICT: - case RRDGraphDesc.CF.DEVPREDICT: - case RRDGraphDesc.CF.DEVSEASONAL: - case RRDGraphDesc.CF.SEASONAL: - case RRDGraphDesc.CF.AVERAGE: - validsteps++; - printval += this.gdes[vidx].data[ii]; - break; - case RRDGraphDesc.CF.MINIMUM: - printval = Math.min(printval, this.gdes[vidx].data[ii]); - break; - case RRDGraphDesc.CF.FAILURES: - case RRDGraphDesc.CF.MAXIMUM: - printval = Math.max(printval, this.gdes[vidx].data[ii]); - break; - case RRDGraphDesc.CF.LAST: - printval = this.gdes[vidx].data[ii]; - } - } - if (this.gdes[i].cf === RRDGraphDesc.CF.AVERAGE || this.gdes[i].cf > RRDGraphDesc.CF.LAST) { - if (validsteps > 1) printval = (printval / validsteps); - } - } /* prepare printval */ - - if (!this.gdes[i].strftm && (percent_s = this.gdes[i].format.indexOf('%S')) != -1) { - if (magfact < 0.0) { - //[printval, si_symb, magfact] = this.auto_scale(printval, si_symb, magfact); - var dummy = this.auto_scale( - printval, si_symb, magfact); - printval = dummy[0]; - si_symb = dummy[1]; - magfact = dummy[2]; - if (printval === 0.0) magfact = -1.0; - } else { - printval /= magfact; - } - this.gdes[i].format = this.gdes[i].format.substr(0, percent_s+1)+'s'+this.gdes[i].format.substr(percent_s+2); - } else if (!this.gdes[i].strftm && this.gdes[i].format.indexOf('%s') != -1) { - //[printval, si_symb, magfact] = this.auto_scale(printval, si_symb, magfact); - var dummy = this.auto_scale( - printval, si_symb, magfact); - printval = dummy[0]; - si_symb = dummy[1]; - magfact = dummy[2]; - - } - -// if (this.gdes[i].gf === RRDGraphDesc.GF.PRINT) { -// var prline; -// -// if (this.gdes[i].strftm) { -// var date = new Date(tmvdef*1000); -// prline.u_str = date.strftime(this.gdes[i].format); -// } else { -// prline.u_str = sprintf(this.gdes[i].format, printval, si_symb); -// } -// grinfo_push(im, sprintf_alloc ("print[%ld]", prline_cnt++), RD_I_STR, prline); // FIXME -// } else { - if (this.gdes[i].strftm) { - this.gdes[i].legend = this.strftime(this.gdes[i].format, tmvdef); - } else { - this.gdes[i].legend = this.sprintf(this.gdes[i].format, printval, si_symb); - } - graphelement = 1; -// } - break; - case RRDGraphDesc.GF.LINE: - case RRDGraphDesc.GF.AREA: - case RRDGraphDesc.GF.TICK: - graphelement = 1; - break; - case RRDGraphDesc.GF.HRULE: - if (isNaN(this.gdes[i].yrule)) { /* we must set this here or the legend printer can not decide to print the legend */ - this.gdes[i].yrule = this.gdes[vidx].vf.val; - }; - graphelement = 1; - break; - case RRDGraphDesc.GF.VRULE: - if (this.gdes[i].xrule === 0) { /* again ... the legend printer needs it */ - this.gdes[i].xrule = this.gdes[vidx].vf.when; - }; - graphelement = 1; - break; - case RRDGraphDesc.GF.COMMENT: - case RRDGraphDesc.GF.TEXTALIGN: - case RRDGraphDesc.GF.DEF: - case RRDGraphDesc.GF.CDEF: - case RRDGraphDesc.GF.VDEF: - case RRDGraphDesc.GF.SHIFT: - case RRDGraphDesc.GF.XPORT: - break; - case RRDGraphDesc.GF.STACK: - throw "STACK should already be turned into LINE or AREA here"; - break; - } - } - return graphelement; - }, - reduce_data: function(gdes, cur_step) - { - var reduce_factor = Math.ceil(gdes.step / cur_step); - var col, dst_row, row_cnt, start_offset, end_offset, skiprows = 0; - var srcptr, dstptr; - - gdes.step = cur_step * gdes.reduce_factor; /* set new step size for reduced data */ - dstptr = 0; - srcptr = 0; - row_cnt = (gdes.end - gdes.start) / cur_step; - - end_offset = gdes.end % gdes.step; - start_offset = gdes.start % gdes.step; - - if (start_offset) { - gdes.start = gdes.start - start_offset; - skiprows = reduce_factor - start_offset / cur_step; - srcptr += skiprows * gdes.ds_cnt; - for (col = 0; col < gdes.ds_cnt; col++) - gdes.data[dstptr++] = Number.NaN; - row_cnt -= skiprows; - } - - if (end_offset) { - gdes.end = gdes.end - end_offset + gdes.step; - skiprows = end_offset / cur_step; - row_cnt -= skiprows; - } - - if (row_cnt % reduce_factor) { - throw "BUG in reduce_data(), SANITY CHECK: "+row_cnt+" rows cannot be reduced by "+reduce_factor; - } - - for (dst_row = 0; row_cnt >= reduce_factor; dst_row++) { - for (col = 0; col < gdes.ds_cnt; col++) { - var newval = Number.NaN; - var validval = 0; - - for (i = 0; i < reduce_factor; i++) { - if (isNaN(gdes.data[srcptr + i*gdes.ds_cnt + col])) continue; - validval++; - if (isNaN(newval)) - newval = gdes.data[srcptr + i * gdes.ds_cnt + col]; - else { - switch (gdes.cf_reduce) { - case RRDGraphDesc.CF.HWPREDICT: - case RRDGraphDesc.CF.MHWPREDICT: - case RRDGraphDesc.CF.DEVSEASONAL: - case RRDGraphDesc.CF.DEVPREDICT: - case RRDGraphDesc.CF.SEASONAL: - case RRDGraphDesc.CF.AVERAGE: - newval += gdes.data[srcptr + i*gdes.ds_cnt + col]; - break; - case RRDGraphDesc.CF.MINIMUM: - newval = Math.min(newval, gdes.data[srcptr + i*gdes.ds_cnt + col]); - break; - case RRDGraphDesc.CF.FAILURES: - /* an interval contains a failure if any subintervals contained a failure */ - case RRDGraphDesc.CF.MAXIMUM: - newval = Math.max(newval, gdes.data[srcptr + i*gdes.ds_cnt + col]); - break; - case RRDGraphDesc.CF.LAST: - newval = gdes.data[srcptr + i*gdes.ds_cnt + col]; - break; - } - } - } - if (validval === 0) { - newval = Number.NaN; - } else { - switch (gdes.cf_reduce) { - case RRDGraphDesc.CF.HWPREDICT: - case RRDGraphDesc.CF.MHWPREDICT: - case RRDGraphDesc.CF.DEVSEASONAL: - case RRDGraphDesc.CF.DEVPREDICT: - case RRDGraphDesc.CF.SEASONAL: - case RRDGraphDesc.CF.AVERAGE: - newval /= validval; - break; - case RRDGraphDesc.CF.MINIMUM: - case RRDGraphDesc.CF.FAILURES: - case RRDGraphDesc.CF.MAXIMUM: - case RRDGraphDesc.CF.LAST: - break; - } - } - gdes.data[dstptr++] = newval; - } - srcptr += gdes.ds_cnt * reduce_factor; - row_cnt -= reduce_factor; - } - if (end_offset) - for (col = 0; col < gdes.ds_cnt; col++) - gdes.data[dstptr++] = Number.NaN; - }, - data_fetch: function() - { - var skip; - - for (var i = 0, gdes_c = this.gdes.length; i < gdes_c; i++) { - if (this.gdes[i].gf != RRDGraphDesc.GF.DEF) continue; - - skip = false; - for (var ii = 0; ii < i; ii++) { - if (this.gdes[ii].gf != RRDGraphDesc.GF.DEF) continue; - if ((this.gdes[i].rrd === this.gdes[ii].rrd) - && (this.gdes[i].cf === this.gdes[ii].cf) - && (this.gdes[i].cf_reduce === this.gdes[ii].cf_reduce) - && (this.gdes[i].start_orig === this.gdes[ii].start_orig) - && (this.gdes[i].end_orig === this.gdes[ii].end_orig) - && (this.gdes[i].step_orig === this.gdes[ii].step_orig)) { - this.gdes[i].start = this.gdes[ii].start; - this.gdes[i].end = this.gdes[ii].end; - this.gdes[i].step = this.gdes[ii].step; - this.gdes[i].ds_cnt = this.gdes[ii].ds_cnt; - this.gdes[i].ds_namv = this.gdes[ii].ds_namv; - this.gdes[i].data = this.gdes[ii].data; - this.gdes[i].data_first = 0; - skip = true; - } - if (skip) break; - } - - if (!skip) { - var ft_step = this.gdes[i].step; /* ft_step will record what we got from fetch */ - ft_step = this.rrd_fetch(this.gdes[i], ft_step); - if (ft_step < 0) - return -1; - this.gdes[i].data_first = 1; - if (ft_step < this.gdes[i].step) { - this.reduce_data(this.gdes[i], ft_step); - } else { - this.gdes[i].step = ft_step; - } - } - /* lets see if the required data source is really there */ - for (var ii = 0; ii < this.gdes[i].ds_cnt; ii++) { - if (this.gdes[i].ds_namv[ii] === this.gdes[i].ds_nam) { - this.gdes[i].ds = ii; - break; - } - } - - if (this.gdes[i].ds === -1) - throw "No DS called '"+this.gdes[i].ds_nam+"' in '"+this.gdes[i].rrd+"'"; - } - - return 0; - }, - lcd: function (num) - { - var rest; - for (var i = 0; num[i + 1] != 0; i++) { - do { - rest = num[i] % num[i + 1]; - num[i] = num[i + 1]; - num[i + 1] = rest; - } while (rest != 0); // FIXME infinite loop ? - num[i + 1] = num[i]; - } - return num[i]; - }, - data_calc: function() - { - var dataidx; - var now; - - var rpnstack; - - for (var gdi = 0, gdes_c = this.gdes.length; gdi < gdes_c; gdi++) { - switch (this.gdes[gdi].gf) { - case RRDGraphDesc.GF.XPORT: - break; - case RRDGraphDesc.GF.SHIFT: - var vdp = this.gdes[this.gdes[gdi].vidx]; - /* remove current shift */ - vdp.start -= vdp.shift; - vdp.end -= vdp.shift; - - if (this.gdes[gdi].shidx >= 0) vdp.shift = this.gdes[this.gdes[gdi].shidx].vf.val; - else vdp.shift = this.gdes[gdi].shval; - - vdp.shift = (vdp.shift / vdp.step) * vdp.step; - - vdp.start += vdp.shift; - vdp.end += vdp.shift; - break; - case RRDGraphDesc.GF.VDEF: - this.gdes[gdi].ds_cnt = 0; - if (this.vdef_calc(gdi)) - throw "Error processing VDEF '"+this.gdes[gdi].vname+"%s'"; - break; - case RRDGraphDesc.GF.CDEF: - this.gdes[gdi].ds_cnt = 1; - this.gdes[gdi].ds = 0; - this.gdes[gdi].data_first = 1; - this.gdes[gdi].start = 0; - this.gdes[gdi].end = 0; - var steparray = []; - var stepcnt = 0; - dataidx = -1; - - var rpnp = this.gdes[gdi].rpnp.rpnp; - for (var rpi = 0; rpnp[rpi].op != RRDRpn.OP.END; rpi++) { - if (rpnp[rpi].op === RRDRpn.OP.VARIABLE || rpnp[rpi].op === RRDRpn.OP.PREV_OTHER) { - var ptr = rpnp[rpi].ptr; - if (this.gdes[ptr].ds_cnt === 0) { /* this is a VDEF data source */ - rpnp[rpi].val = this.gdes[ptr].vf.val; - rpnp[rpi].op = RRDRpn.OP.NUMBER; - } else { /* normal variables and PREF(variables) */ - ++stepcnt; - steparray[stepcnt - 1] = this.gdes[ptr].step; - - if (this.gdes[gdi].start < this.gdes[ptr].start) - this.gdes[gdi].start = this.gdes[ptr].start; - if (this.gdes[gdi].end === 0 || this.gdes[gdi].end > this.gdes[ptr].end) - this.gdes[gdi].end = this.gdes[ptr].end; - - rpnp[rpi].data = this.gdes[ptr].data; - rpnp[rpi].pdata = this.gdes[ptr].ds; - rpnp[rpi].step = this.gdes[ptr].step; - rpnp[rpi].ds_cnt = this.gdes[ptr].ds_cnt; - } - } - } - /* move the data pointers to the correct period */ - for (var rpi = 0; rpnp[rpi].op != RRDRpn.OP.END; rpi++) { - if (rpnp[rpi].op === RRDRpn.OP.VARIABLE || rpnp[rpi].op === RRDRpn.OP.PREV_OTHER) { - var ptr = rpnp[rpi].ptr; - var diff = this.gdes[gdi].start - this.gdes[ptr].start; - - if (diff > 0) rpnp[rpi].pdata += (diff / this.gdes[ptr].step) * this.gdes[ptr].ds_cnt; - } - } - - if (steparray === null) { - throw "rpn expressions without DEF or CDEF variables are not supported"; - } - steparray[stepcnt] = 0; - this.gdes[gdi].step = this.lcd(steparray); - this.gdes[gdi].data = []; - - for (now = this.gdes[gdi].start + this.gdes[gdi].step; now <= this.gdes[gdi].end; now += this.gdes[gdi].step) { - if (this.gdes[gdi].rpnp.calc(now, this.gdes[gdi].data, ++dataidx) === -1) - return -1; - } - break; - default: - continue; - } - } - return 0; - }, - data_proc: function() - { - var pixstep = (this.end - this.start) / this.xsize; - var paintval; - var minval = Number.NaN, maxval = Number.NaN; - var gr_time; - - /* memory for the processed data */ - - for (var i = 0, gdes_c = this.gdes.length; i < gdes_c; i++) { - if ((this.gdes[i].gf === RRDGraphDesc.GF.LINE) || (this.gdes[i].gf === RRDGraphDesc.GF.AREA) || (this.gdes[i].gf === RRDGraphDesc.GF.TICK)) { - this.gdes[i].p_data = []; - } - } - - for (var i = 0; i < this.xsize; i++) { /* for each pixel */ - var vidx; - gr_time = this.start + pixstep * i; /* time of the current step */ - paintval = 0.0; - - for (var ii = 0 , gdes_c = this.gdes.length; ii < gdes_c; ii++) { - var value; - switch (this.gdes[ii].gf) { - case RRDGraphDesc.GF.LINE: - case RRDGraphDesc.GF.AREA: - case RRDGraphDesc.GF.TICK: - if (!this.gdes[ii].stack) paintval = 0.0; - value = this.gdes[ii].yrule; - if (isNaN(value) || (this.gdes[ii].gf === RRDGraphDesc.GF.TICK)) { - vidx = this.gdes[ii].vidx; - if (this.gdes[vidx].gf === RRDGraphDesc.GF.VDEF) { - value = this.gdes[vidx].vf.val; - } else if (gr_time >= this.gdes[vidx].start && gr_time < this.gdes[vidx].end) { - value = this.gdes[vidx].data[Math.floor((gr_time - this.gdes[vidx].start) / this.gdes[vidx].step) * this.gdes[vidx].ds_cnt + this.gdes[vidx].ds]; - } else { - value = Number.NaN; - } - } - if (!isNaN(value)) { - paintval += value; - this.gdes[ii].p_data[i] = paintval; - if (isFinite(paintval) && this.gdes[ii].gf != RRDGraphDesc.GF.TICK) { - if ((isNaN(minval) || paintval < minval) && !(this.logarithmic && paintval <= 0.0)) - minval = paintval; - if (isNaN(maxval) || paintval > maxval) - maxval = paintval; - } - } else { - this.gdes[ii].p_data[i] = Number.NaN; - } - break; - case RRDGraphDesc.GF.STACK: - throw "STACK should already be turned into LINE or AREA here"; - break; - default: - break; - } - } - } - - if (this.logarithmic) { - if (isNaN(minval) || isNaN(maxval) || maxval <= 0) { - minval = 0.0; - maxval = 5.1; - } - if (minval <= 0) minval = maxval / 10e8; - } else { - if (isNaN(minval) || isNaN(maxval)) { - minval = 0.0; - maxval = 1.0; - } - } - - if (isNaN(this.minval) || ((!this.rigid) && this.minval > minval)) { - if (this.logarithmic) this.minval = minval / 2.0; - else this.minval = minval; - } - if (isNaN(this.maxval) || (!this.rigid && this.maxval < maxval)) { - if (this.logarithmic) this.maxval = maxval * 2.0; - else this.maxval = maxval; - } - - if (this.minval > this.maxval) { - if (this.minval > 0) this.minval = 0.99 * this.maxval; - else this.minval = 1.01 * this.maxval; - } - - if (this.AlmostEqual2sComplement(this.minval, this.maxval, 4)) { - if (this.maxval > 0) this.maxval *= 1.01; - else this.maxval *= 0.99; - - if (this.AlmostEqual2sComplement(this.maxval, 0, 4)) this.maxval = 1.0; - } - return 0; - }, - leg_place: function (calc_width) - { - var interleg = this.TEXT.LEGEND.size * 1.5; - var border = this.TEXT.LEGEND.size * 1.5; - var fill = 0, fill_last; - var legendwidth; // = this.ximg - 2 * border; - var leg_c = 0; - var leg_x = border; - var leg_y = 0; //this.yimg; - var leg_y_prev = 0; // this.yimg; - var leg_cc; - var glue = 0; - var ii, mark = 0; - var default_txtalign = RRDGraphDesc.TXA.JUSTIFIED; /*default line orientation */ - var legspace; - var tab; - var saved_legend; - - if(calc_width) legendwidth = 0; - else legendwidth = this.legendwidth - 2 * border; - - if (!this.no_legend && !this.only_graph) { - legspace = []; - for (var i = 0 , gdes_c = this.gdes.length; i < gdes_c; i++) { - var prt_fctn; /*special printfunctions */ - if(calc_width) saved_legend = this.gdes[i].legend; - fill_last = fill; - if (this.gdes[i].gf === RRDGraphDesc.GF.TEXTALIGN) - default_txtalign = this.gdes[i].txtalign; - - if (!this.force_rules_legend) { - if (this.gdes[i].gf === RRDGraphDesc.GF.HRULE && (this.gdes[i].yrule < this.minval || this.gdes[i].yrule > this.maxval)) - this.gdes[i].legend = null; - if (this.gdes[i].gf === RRDGraphDesc.GF.VRULE && (this.gdes[i].xrule < this.start || this.gdes[i].xrule > this.end)) - this.gdes[i].legend = null; - } - this.gdes[i].legend = this.gdes[i].legend.replace(/\\t/gi, "\t"); /* turn \\t into tab */ - - leg_cc = this.gdes[i].legend.length; - /* is there a controle code at the end of the legend string ? */ - if (leg_cc >= 2 && this.gdes[i].legend.charAt(leg_cc - 2) === '\\') { - prt_fctn = this.gdes[i].legend.charAt(leg_cc - 1); - leg_cc -= 2; - this.gdes[i].legend = this.gdes[i].legend.substr(0,leg_cc); - } else { - prt_fctn = null; - } - /* only valid control codes */ - if (prt_fctn != 'l' && prt_fctn != 'n' && prt_fctn != 'r' && prt_fctn != 'j' && prt_fctn != 'c' && - prt_fctn != 'u' && prt_fctn != 's' && prt_fctn != null && prt_fctn != 'g') { - throw "Unknown control code at the end of "+this.gdes[i].legend+": "+prt_fctn; - } - /* \n -> \l */ - if (prt_fctn === 'n') prt_fctn = 'l'; - - /* remove exess space from the end of the legend for \g */ - while (prt_fctn === 'g' && leg_cc > 0 && this.gdes[i].legend.charAt(leg_cc - 1) === ' ') { - leg_cc--; - this.gdes[i].legend = this.gdes[i].legend.substr(0,leg_cc); - } - - if (leg_cc != 0) { - legspace[i] = (prt_fctn === 'g' ? 0 : interleg); - if (fill > 0) fill += legspace[i]; - fill += this.gfx_get_text_width(fill + border, this.TEXT.LEGEND, this.tabwidth, this.gdes[i].legend); - leg_c++; - } else { - legspace[i] = 0; - } - /* who said there was a special tag ... ? */ - if (prt_fctn === 'g') prt_fctn = null; - - if (prt_fctn === null) { - if(calc_width && (fill > legendwidth)) legendwidth = fill; - - if (i === gdes_c - 1 || fill > legendwidth) { - switch (default_txtalign) { - case RRDGraphDesc.TXA.RIGHT: - prt_fctn = 'r'; - break; - case RRDGraphDesc.TXA.CENTER: - prt_fctn = 'c'; - break; - case RRDGraphDesc.TXA.JUSTIFIED: - prt_fctn = 'j'; - break; - default: - prt_fctn = 'l'; - break; - } - } - /* is it time to place the legends ? */ - if (fill > legendwidth) { - if (leg_c > 1) { - /* go back one */ - i--; - fill = fill_last; - leg_c--; - } - } - if (leg_c === 1 && prt_fctn === 'j') { - prt_fctn = 'l'; - } - } - - if (prt_fctn != null) { - leg_x = border; - if (leg_c >= 2 && prt_fctn === 'j') { - glue = (legendwidth - fill) / (leg_c - 1); - } else { - glue = 0; - } - if (prt_fctn === 'c') - leg_x = (legendwidth - fill) / 2.0; - if (prt_fctn === 'r') - leg_x = legendwidth - fill + border; - for (ii = mark; ii <= i; ii++) { - if (this.gdes[ii].legend === '') continue; - this.gdes[ii].leg_x = leg_x; - this.gdes[ii].leg_y = leg_y + border; - leg_x += this.gfx_get_text_width(leg_x, this.TEXT.LEGEND, this.tabwidth, this.gdes[ii].legend) + legspace[ii] + glue; - } - leg_y_prev = leg_y; - if (leg_x > border || prt_fctn === 's') leg_y += this.TEXT.LEGEND.size * 1.4; - if (prt_fctn === 's') leg_y -= this.TEXT.LEGEND.size; - if (prt_fctn === 'u') leg_y -= this.TEXT.LEGEND.size * 1.4; - - if(calc_width && (fill > legendwidth)) legendwidth = fill; - fill = 0; - leg_c = 0; - mark = ii; - } - - if(calc_width) this.gdes[i].legend = saved_legend; - } - if(calc_width) this.legendwidth = legendwidth + 2 * border; - else this.legendheight = leg_y + border * 0.6; // FIXME 0.6 ?? - } - return 0; - }, - axis_paint: function() - { - this.gfx_line(this.xorigin - 4, this.yorigin, - this.xorigin + this.xsize + 4, this.yorigin, - this.MGRIDWIDTH, this.GRC.AXIS); - - this.gfx_line(this.xorigin, this.yorigin + 4, - this.xorigin, this.yorigin - this.ysize - 4, - this.MGRIDWIDTH, this.GRC.AXIS); - - this.gfx_new_area(this.xorigin + this.xsize + 2, this.yorigin - 3, - this.xorigin + this.xsize + 2, - this.yorigin + 3, this.xorigin + this.xsize + 7, this.yorigin, - this.GRC.ARROW); - this.gfx_close_path(); - - this.gfx_new_area(this.xorigin - 3, this.yorigin - this.ysize - 2, - this.xorigin + 3, this.yorigin - this.ysize - 2, - this.xorigin, this.yorigin - this.ysize - 7, - this.GRC.ARROW); - this.gfx_close_path(); - - if (this.second_axis_scale != 0){ - this.gfx_line (this.xorigin+this.xsize,this.yorigin+4, - this.xorigin+this.xsize,this.yorigin-this.ysize-4, - MGRIDWIDTH, this.graph_col[GRC_AXIS]); - this.gfx_new_area (this.xorigin+this.xsize-2, this.yorigin-this.ysize-2, - this.xorigin+this.xsize+3, this.yorigin-this.ysize-2, - this.xorigin+this.xsize, this.yorigin-this.ysize-7, /* LINEOFFSET */ - this.GRC.ARROW); - this.gfx_close_path(); - } - }, - frexp10: function (x) - { - var mnt; - var iexp; - - iexp = Math.floor(Math.log(Math.abs(x)) / Math.LN10); - mnt = x / Math.pow(10.0, iexp); - if (mnt >= 10.0) { - iexp++; - mnt = x / Math.pow(10.0, iexp); - } - return [mnt, iexp]; - }, - horizontal_log_grid: function () - { - var yloglab = [ - [ 1.0, 10., 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ], - [ 1.0, 5.0, 10., 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ], - [ 1.0, 2.0, 5.0, 7.0, 10., 0.0, 0.0, 0.0, 0.0, 0.0 ], - [ 1.0, 2.0, 4.0, 6.0, 8.0, 10., 0.0, 0.0, 0.0, 0.0 ], - [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10. ], - [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] /* last line */ - ]; - var i, j, val_exp, min_exp; - var nex; /* number of decades in data */ - var logscale; /* scale in logarithmic space */ - var exfrac = 1; /* decade spacing */ - var mid = -1; /* row in yloglab for major grid */ - var mspac; /* smallest major grid spacing (pixels) */ - var flab; /* first value in yloglab to use */ - var value, tmp, pre_value; - var X0, X1, Y0; - var graph_label; - - nex = Math.log(this.maxval / this.minval)/Math.LN10; - logscale = this.ysize / nex; - /* major spacing for data with high dynamic range */ - while (logscale * exfrac < 2.3 * this.TEXT.LEGEND.size) { // FIXME 3 -> 2.34 ?? - if (exfrac === 1) exfrac = 2.3; // ??? 3 -> 2.34 - else exfrac += 2.3 ; // 3-> 2.34 - } - /* major spacing for less dynamic data */ - do { - mid++; - for (i = 0; yloglab[mid][i + 1] < 10.0; i++); - mspac = logscale * Math.log(10.0 / yloglab[mid][i])/Math.LN10; - } while (mspac > 1.56 * this.TEXT.LEGEND.size && yloglab[mid][0] > 0); // FIXME 2->1.56 ?? - if (mid) mid--; - /* find first value in yloglab */ - //for (flab = 0; yloglab[mid][flab] < 10 && this.frexp10(this.minval,tmp) > yloglab[mid][flab]; flab++); - flab = -1; - do { - var ret; - flab++; - // [ret, tmp] = this.frexp10(this.minval); - var dummy = this.frexp10(this.minval); ret = dummy[0]; tmp = dummy[1]; - } while (yloglab[mid][flab] < 10 && ret > yloglab[mid][flab]); - - if (yloglab[mid][flab] === 10.0) { - tmp += 1.0; - flab = 0; - } - val_exp = tmp; - if (val_exp % exfrac) val_exp += Math.abs(-val_exp % exfrac); - X0 = this.xorigin; - X1 = this.xorigin + this.xsize; - /* draw grid */ - pre_value = Number.NaN; - - while (1) { - value = yloglab[mid][flab] * Math.pow(10.0, val_exp); - if (this.AlmostEqual2sComplement(value, pre_value, 4)) // FIXME - break; /* it seems we are not converging */ - pre_value = value; - Y0 = this.ytr(value); - if (Math.floor(Y0 + 0.5) <= this.yorigin - this.ysize) - break; - /* major grid line */ - this.gfx_line(X0 - 2, Y0, X0, Y0, this.MGRIDWIDTH, this.GRC.MGRID); - this.gfx_line(X1, Y0, X1 + 2, Y0, this.MGRIDWIDTH, this.GRC.MGRID); - this.gfx_dashed_line(X0 - 2, Y0, X1 + 2, Y0, this.MGRIDWIDTH, this.GRC.MGRID, this.grid_dash_on, this.grid_dash_off); - /* label */ - if (this.force_units_si) { - var scale; - var pvalue; - var symbol; - - scale = Math.floor(val_exp / 3.0); - if (value >= 1.0) pvalue = Math.pow(10.0, val_exp % 3); - else pvalue = Math.pow(10.0, ((val_exp + 1) % 3) + 2); - pvalue *= yloglab[mid][flab]; - - if (((scale + this.si_symbcenter) < this.si_symbol.length) && ((scale + this.si_symbcenter) >= 0)) - symbol = this.si_symbol[scale + this.si_symbcenter]; - else - symbol = '?'; - graph_label = this.sprintf("%3.0f %s", pvalue, symbol); - } else { - graph_label = this.sprintf("%3.0e", value); - } - if (this.second_axis_scale != 0){ - var graph_label_right; - var sval = value*this.second_axis_scale+this.second_axis_shift; - if (!this.second_axis_format[0]){ - if (this.force_units_si) { - var mfac = 1; - var symb = ''; - //[sval, symb, mfac ] = this.auto_scale(sval, symb, mfac); - var dummy = this.auto_scale(sval, symb, mfac); - sval = dummy[0]; - symb = dummy[1]; - mfac = dummy[2]; - graph_label_right = this.sprintf("%4.0f %s", sval,symb); - } else { - graph_label_right = this.sprintf("%3.0e", sval); - } - } else { - graph_label_right = this.sprintf(this.second_axis_format,sval,""); - } - this.gfx_text( X1+7, Y0, this.GRC.FONT, this.TEXT.AXIS, this.tabwidth,0.0, this.GFX_H.LEFT, this.GFX_V.CENTER, graph_label_right ); - } - - this.gfx_text(X0 - this.TEXT.AXIS.size, Y0, this.GRC.FONT, this.TEXT.AXIS, this.tabwidth, 0.0, this.GFX_H.RIGHT, this.GFX_V.CENTER, graph_label); - if (mid < 4 && exfrac === 1) { /* minor grid */ - if (flab === 0) { /* find first and last minor line behind current major line * i is the first line and j tha last */ - min_exp = val_exp - 1; - for (i = 1; yloglab[mid][i] < 10.0; i++) {}; - i = yloglab[mid][i - 1] + 1; - j = 10; - } else { - min_exp = val_exp; - i = yloglab[mid][flab - 1] + 1; - j = yloglab[mid][flab]; - } - for (; i < j; i++) { /* draw minor lines below current major line */ - value = i * Math.pow(10.0, min_exp); - if (value < this.minval) continue; - Y0 = this.ytr(value); - if (Math.floor(Y0 + 0.5) <= this.yorigin - this.ysize) break; - this.gfx_line(X0 - 2, Y0, X0, Y0, this.GRIDWIDTH, this.GRC.GRID); - this.gfx_line(X1, Y0, X1 + 2, Y0, this.GRIDWIDTH, this.GRC.GRID); - this.gfx_dashed_line(X0 - 1, Y0, X1 + 1, Y0, this.GRIDWIDTH, this.GRC.GRID, this.grid_dash_on, this.grid_dash_off); - } - } else if (exfrac > 1) { - for (i = val_exp - exfrac / 3 * 2; i < val_exp; i += exfrac / 3) { - value = Math.pow(10.0, i); - if (value < this.minval) continue; - Y0 = this.ytr(value); - if (Math.floor(Y0 + 0.5) <= this.yorigin - this.ysize) break; - this.gfx_line(X0 - 2, Y0, X0, Y0, this.GRIDWIDTH, this.GRC.GRID); - this.gfx_line(X1, Y0, X1 + 2, Y0, this.GRIDWIDTH, this.GRC.GRID); - this.gfx_dashed_line(X0 - 1, Y0, X1 + 1, Y0, this.GRIDWIDTH, this.GRC.GRID, this.grid_dash_on, this.grid_dash_off); - } - } - if (yloglab[mid][++flab] === 10.0) { /* next decade */ - flab = 0; - val_exp += exfrac; - } - } - if (mid < 4 && exfrac === 1) { /* draw minor lines after highest major line */ - if (flab === 0) { /* find first and last minor line below current major line * i is the first line and j tha last */ - min_exp = val_exp - 1; - for (i = 1; yloglab[mid][i] < 10.0; i++) {}; - i = yloglab[mid][i - 1] + 1; - j = 10; - } else { - min_exp = val_exp; - i = yloglab[mid][flab - 1] + 1; - j = yloglab[mid][flab]; - } - for (; i < j; i++) { /* draw minor lines below current major line */ - value = i * Math.pow(10.0, min_exp); - if (value < this.minval) continue; - Y0 = this.ytr(value); - if (Math.floor(Y0 + 0.5) <= this.yorigin - this.ysize) break; - this.gfx_line(X0 - 2, Y0, X0, Y0, this.GRIDWIDTH, this.GRC.GRID); - this.gfx_line(X1, Y0, X1 + 2, Y0, this.GRIDWIDTH, this.GRC.GRID); - this.gfx_dashed_line(X0 - 1, Y0, X1 + 1, Y0, this.GRIDWIDTH, this.GRC.GRID, this.grid_dash_on, this.grid_dash_off); - } - } else if (exfrac > 1) { /* fancy minor gridlines */ - for (i = val_exp - exfrac / 3 * 2; i < val_exp; i += exfrac / 3) { - value = Math.pow(10.0, i); - if (value < this.minval) continue; - Y0 = this.ytr(value); - if (Math.floor(Y0 + 0.5) <= this.yorigin - this.ysize) break; - this.gfx_line(X0 - 2, Y0, X0, Y0, this.GRIDWIDTH, this.GRC.GRID); - this.gfx_line(X1, Y0, X1 + 2, Y0, this.GRIDWIDTH, this.GRC.GRID); - this.gfx_dashed_line(X0 - 1, Y0, X1 + 1, Y0, this.GRIDWIDTH, this.GRC.GRID, this.grid_dash_on, this.grid_dash_off); - } - } - return 1; - }, - vertical_grid: function() - { - var xlab_sel; /* which sort of label and grid ? */ - var ti, tilab, timajor; - var factor; - var graph_label; - var X0, Y0, Y1; /* points for filled graph and more */ - - /* the type of time grid is determined by finding the number of seconds per pixel in the graph */ - if (this.xlab_user.minsec === -1) { - factor = (this.end - this.start) / this.xsize; - xlab_sel = 0; - - while (this.xlab[xlab_sel + 1].minsec != -1 && this.xlab[xlab_sel + 1].minsec <= factor) xlab_sel++; - if (xlab_sel === 0) xlab_sel=1; // FIXME XXX XXX xlab_sel == 0 ??? - while (this.xlab[xlab_sel - 1].minsec === this.xlab[xlab_sel].minsec && this.xlab[xlab_sel].length > (this.end - this.start)) xlab_sel--; - this.xlab_user = this.xlab[xlab_sel]; - - } - Y0 = this.yorigin; - Y1 = this.yorigin - this.ysize; - - if (!(this.no_minor)) { - for ( ti = this.find_first_time(this.start, this.xlab_user.gridtm, this.xlab_user.gridst), - timajor = this.find_first_time(this.start, this.xlab_user.mgridtm, this.xlab_user.mgridst); - ti < this.end && ti != -1; - ti = this.find_next_time(ti, this.xlab_user.gridtm, this.xlab_user.gridst)) { - if (ti < this.start || ti > this.end) continue; - while (timajor < ti && timajor != -1) timajor = this.find_next_time(timajor, this.xlab_user.mgridtm, this.xlab_user.mgridst); - if (timajor === -1) break; - if (ti === timajor) continue; - X0 = this.xtr(ti); - this.gfx_line(X0, Y1 - 2, X0, Y1, this.GRIDWIDTH, this.GRC.GRID); - this.gfx_line(X0, Y0, X0, Y0 + 2, this.GRIDWIDTH, this.GRC.GRID); - this.gfx_dashed_line(X0, Y0 + 1, X0, Y1 - 1, this.GRIDWIDTH, this.GRC.GRID, this.grid_dash_on, this.grid_dash_off); - } - } - - for ( ti = this.find_first_time(this.start, this.xlab_user.mgridtm, this.xlab_user.mgridst); - ti < this.end && ti != -1; - ti = this.find_next_time(ti, this.xlab_user.mgridtm, this.xlab_user.mgridst) - ) { - if (ti < this.start || ti > this.end) continue; - X0 = this.xtr(ti); - this.gfx_line(X0, Y1 - 2, X0, Y1, this.MGRIDWIDTH, this.GRC.MGRID); - this.gfx_line(X0, Y0, X0, Y0 + 3, this.MGRIDWIDTH, this.GRC.MGRID); - this.gfx_dashed_line(X0, Y0 + 3, X0, Y1 - 2, this.MGRIDWIDTH, - this.GRC.MGRID, this.grid_dash_on, this.grid_dash_off); - } - - for ( ti = this.find_first_time(this.start - this.xlab_user.precis / 2, this.xlab_user.labtm, this.xlab_user.labst); - (ti <= this.end - this.xlab_user.precis / 2) && ti != -1; - ti = this.find_next_time(ti, this.xlab_user.labtm, this.xlab_user.labst) - ) { - tilab = ti + this.xlab_user.precis / 2; - if (tilab < this.start || tilab > this.end) - continue; - //localtime_r(&tilab, &tm); FIXME - //strftime(graph_label, 99, this.xlab_user.stst, &tm); FIXME - graph_label = this.xlab_user.stst(new Date(tilab*1000)); - this.gfx_text(this.xtr(tilab), Y0 + 3, this.GRC.FONT, - this.TEXT.AXIS, this.tabwidth, 0.0, - this.GFX_H.CENTER, this.GFX_V.TOP, graph_label); - } - }, - auto_scale: function (value, symb_ptr, magfact) - { - var symbol = [ - 'a', /* 10e-18 Atto */ - 'f', /* 10e-15 Femto */ - 'p', /* 10e-12 Pico */ - 'n', /* 10e-9 Nano */ - 'u', /* 10e-6 Micro */ - 'm', /* 10e-3 Milli */ - ' ', /* Base */ - 'k', /* 10e3 Kilo */ - 'M', /* 10e6 Mega */ - 'G', /* 10e9 Giga */ - 'T', /* 10e12 Tera */ - 'P', /* 10e15 Peta */ - 'E' /* 10e18 Exa */ - ]; - - var symbcenter = 6; - var sindex; - - if (value === 0.0 || isNaN(value)) { - sindex = 0; - magfact = 1.0; - } else { - sindex = Math.floor((Math.log(Math.abs(value))/Math.LN10) / (Math.log(this.base)/Math.LN10)); - magfact = Math.pow(this.base, sindex); - value /= magfact; - } - if (sindex <= symbcenter && sindex >= -symbcenter) { - symb_ptr = symbol[sindex + symbcenter]; - } else { - symb_ptr = '?'; - } - return [value, symb_ptr, magfact]; - }, - si_unit: function() - { - var digits; - var viewdigits = 0; - - digits = Math.floor(Math.log(Math.max(Math.abs(this.minval), Math.abs(this.maxval))) / Math.log(this.base)); - - if (this.unitsexponent != 9999) { - /* unitsexponent = 9, 6, 3, 0, -3, -6, -9, etc */ - viewdigits = Math.floor(this.unitsexponent / 3); - } else { - viewdigits = digits; - } - - this.magfact = Math.pow(this.base, digits); - - this.viewfactor = this.magfact / Math.pow(this.base, viewdigits); - - if (((viewdigits + this.si_symbcenter) < this.si_symbol.length) && ((viewdigits + this.si_symbcenter) >= 0)) - this.symbol = this.si_symbol[viewdigits + this.si_symbcenter]; - else - this.symbol = '?'; - }, - expand_range: function () - { - var sensiblevalues = [ 1000.0, 900.0, 800.0, 750.0, 700.0, 600.0, 500.0, 400.0, 300.0, 250.0, 200.0, 125.0, 100.0, 90.0, 80.0, 75.0, 70.0, 60.0, 50.0, 40.0, 30.0, 25.0, 20.0, 10.0, 9.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.5, 3.0, 2.5, 2.0, 1.8, 1.5, 1.2, 1.0, 0.8, 0.7, 0.6, 0.5, 0.4, 0.3, 0.2, 0.1, 0.0, -1 ]; - var scaled_min, scaled_max; - var adj; - var i; - - if (isNaN(this.ygridstep)) { - if (this.alt_autoscale) { - var delt, fact; - - delt = this.maxval - this.minval; - adj = delt * 0.1; - fact = 2.0 * Math.pow(10.0, Math.floor(Math.log(Math.max(Math.abs(this.minval), Math.abs(this.maxval)) / this.magfact)/Math.LN10) - 2); - if (delt < fact) adj = (fact - delt) * 0.55; - this.minval -= adj; - this.maxval += adj; - } else if (this.alt_autoscale_min) { - adj = (this.maxval - this.minval) * 0.1; - this.minval -= adj; - } else if (this.alt_autoscale_max) { - adj = (this.maxval - this.minval) * 0.1; - this.maxval += adj; - } else { - scaled_min = this.minval / this.magfact; - scaled_max = this.maxval / this.magfact; - - for (i = 1; sensiblevalues[i] > 0; i++) { - if (sensiblevalues[i - 1] >= scaled_min && sensiblevalues[i] <= scaled_min) - this.minval = sensiblevalues[i] * this.magfact; - if (-sensiblevalues[i - 1] <= scaled_min && -sensiblevalues[i] >= scaled_min) - this.minval = -sensiblevalues[i - 1] * this.magfact; - if (sensiblevalues[i - 1] >= scaled_max && sensiblevalues[i] <= scaled_max) - this.maxval = sensiblevalues[i - 1] * this.magfact; - if (-sensiblevalues[i - 1] <= scaled_max && -sensiblevalues[i] >= scaled_max) - this.maxval = -sensiblevalues[i] * this.magfact; - } - } - } else { - this.minval = this.ylabfact * this.ygridstep * Math.floor(this.minval / (this.ylabfact * this.ygridstep)); - this.maxval = this.ylabfact * this.ygridstep * Math.ceil(this.maxval / (this.ylabfact * this.ygridstep)); - } - }, - calc_horizontal_grid: function() - { - var range; - var scaledrange; - var pixel, i; - var gridind = 0; - var decimals, fractionals; - - this.ygrid_scale.labfact = 2; - range = this.maxval - this.minval; - scaledrange = range / this.magfact; - if (isNaN(scaledrange) || !isFinite(scaledrange)) { - return false; - } - - pixel = 1; - if (isNaN(this.ygridstep)) { - if (this.alt_ygrid) { - decimals = Math.ceil(Math.log(Math.max(Math.abs(this.maxval), Math.abs(this.minval)) * this.viewfactor / this.magfact)/Math.LN10); - if (decimals <= 0) decimals = 1; - this.ygrid_scale.gridstep = Math.pow(10, Math.floor(Math.log(range * this.viewfactor / this.magfact)/Math.LN10)) / this.viewfactor * this.magfact; - if (this.ygrid_scale.gridstep === 0) this.ygrid_scale.gridstep = 0.1; - if (range / this.ygrid_scale.gridstep < 5 && this.ygrid_scale.gridstep >= 30) - this.ygrid_scale.gridstep /= 10; - if (range / this.ygrid_scale.gridstep > 15) - this.ygrid_scale.gridstep *= 10; - if (range / this.ygrid_scale.gridstep > 5) { - this.ygrid_scale.labfact = 1; - if (range / this.ygrid_scale.gridstep > 8 || this.ygrid_scale.gridstep < 1.8 * this.TEXT.AXIS.size) // 1.8 - this.ygrid_scale.labfact = 2; - } else { - this.ygrid_scale.gridstep /= 5; - this.ygrid_scale.labfact = 5; - } - - fractionals = Math.floor(Math.log(this.ygrid_scale.gridstep * this.ygrid_scale.labfact * this.viewfactor / this.magfact)/Math.LN10); - if (fractionals < 0) { /* small amplitude. */ - var len = decimals - fractionals + 1; - if (this.unitslength < len + 2) this.unitslength = len + 2; - this.ygrid_scale.labfmt = this.sprintf("%%%d.%df%s", len, -fractionals, (this.symbol != ' ' ? " %s" : "")); - } else { - var len = decimals + 1; - if (this.unitslength < len + 2) this.unitslength = len + 2; - this.ygrid_scale.labfmt = this.sprintf("%%%d.0f%s", len, (this.symbol != ' ' ? " %s" : "")); - } - } else { /* classic rrd grid */ - for (i = 0; this.ylab[i].grid > 0; i++) { - pixel = this.ysize / (scaledrange / this.ylab[i].grid); - gridind = i; - if (pixel >= 5) break; - } - for (i = 0; i < 4; i++) { - if (pixel * this.ylab[gridind].lfac[i] >= 1.8 * this.TEXT.AXIS.size) { // 1.8 - this.ygrid_scale.labfact = this.ylab[gridind].lfac[i]; - break; - } - } - this.ygrid_scale.gridstep = this.ylab[gridind].grid * this.magfact; - } - } else { - this.ygrid_scale.gridstep = this.ygridstep; - this.ygrid_scale.labfact = this.ylabfact; - } - return true; - }, - draw_horizontal_grid: function() - { - var i; - var scaledstep; - var graph_label; - var nlabels = 0; - var X0 = this.xorigin; - var X1 = this.xorigin + this.xsize; - var sgrid = Math.round(this.minval / this.ygrid_scale.gridstep - 1); - var egrid = Math.round(this.maxval / this.ygrid_scale.gridstep + 1); - var MaxY; - var second_axis_magfact = 0; - var second_axis_symb = ''; - var Y0, YN; - var sisym; - - scaledstep = this.ygrid_scale.gridstep / this.magfact * this.viewfactor; - MaxY = scaledstep * egrid; - for (i = sgrid; i <= egrid; i++) { - Y0 = this.ytr(this.ygrid_scale.gridstep * i); - YN = this.ytr(this.ygrid_scale.gridstep * (i + 1)); - if (Math.floor(Y0 + 0.5) >= this.yorigin - this.ysize && Math.floor(Y0 + 0.5) <= this.yorigin) { - if (i % this.ygrid_scale.labfact === 0 || (nlabels === 1 && (YN < this.yorigin - this.ysize || YN > this.yorigin))) { - if (this.symbol === ' ') { - if (this.alt_ygridf) { - graph_label = this.sprintf(this.ygrid_scale.labfmt, scaledstep * i); // FIXME - } else { - if (MaxY < 10) { - graph_label = this.sprintf("%4.1f", scaledstep * i); - //var dummy = scaledstep * i; // FIXME - //graph_label = lpad(dummy.toFixed(1),' ',4); - } else { - graph_label = this.sprintf("%4.0f", scaledstep * i); - //var dummy = scaledstep * i; // FIXME - //graph_label = lpad(dummy.toFixed(),' ',4); - } - } - } else { - sisym = (i === 0 ? ' ' : this.symbol); - if (this.alt_ygrid) { - graph_label = this.sprintf(this.ygrid_scale.labfmt, scaledstep * i, sisym); - } else { - if (MaxY < 10) { - graph_label = this.sprintf("%4.1f %s", scaledstep * i, sisym); - //var dummy = scaledstep * i; // FIXME - //graph_label = lpad(dummy.toFixed(1),' ',4)+' '+sisym; - } else { - graph_label = this.sprintf("%4.0f %s", scaledstep * i, sisym); - //var dummy = scaledstep * i; // FIXME - //graph_label = lpad(dummy.toFixed(),' ',4)+' '+sisym; - } - } - } - nlabels++; - if (this.second_axis_scale != 0){ - var graph_label_right; - sval = (this.ygrid_scale.gridstep * - i * - this.second_axis_scale + - this.second_axis_shift); - - if (!this.second_axis_format) { - if (!second_axis_magfact) { - var dummy = (this.ygrid_scale.gridstep * - (sgrid+egrid)/2.0 * - this.second_axis_scale + - this.second_axis_shift); - var scaled = this.auto_scale( - dummy, second_axis_symb, - second_axis_magfact); - dummy = scaled[0]; - second_axis_symb = scaled[1]; - second_axis_magfact = scaled[2]; - } - sval /= second_axis_magfact; - if(MaxY < 10) { - graph_label_right = this.sprintf("%5.1f %s", sval, second_axis_symb); - } else { - graph_label_right = this.sprintf("%5.0f %s", sval, second_axis_symb); - } - } else { - graph_label_right = this.sprintf(this.second_axis_format, sval); - } - this.gfx_text (X1+7, Y0, this.GRC.FONT, this.TEXT.AXIS, this.tabwidth, 0.0, this.GFX_H.LEFT, this.GFX_V.CENTER, graph_label_right ); - } - this.gfx_text(X0 - this.TEXT.AXIS.size , Y0, this.GRC.FONT, this.TEXT.AXIS , this.tabwidth, 0.0, this.GFX_H.RIGHT, this.GFX_V.CENTER, graph_label); - this.gfx_line(X0 - 2, Y0, X0, Y0, this.MGRIDWIDTH, this.GRC.MGRID); - this.gfx_line(X1, Y0, X1 + 2, Y0, this.MGRIDWIDTH, this.GRC.MGRID); - this.gfx_dashed_line(X0 - 2, Y0, X1 + 2, Y0, this.MGRIDWIDTH, this.GRC.MGRID, this.grid_dash_on, this.grid_dash_off); - } else if (!this.no_minor) { - this.gfx_line( X0 - 2, Y0, X0, Y0, this.GRIDWIDTH, this.GRC.GRID); - this.gfx_line(X1, Y0, X1 + 2, Y0, this.GRIDWIDTH, this.GRC.GRID); - this.gfx_dashed_line(X0 - 1, Y0, X1 + 1, Y0, this.GRIDWIDTH, this.GRC.GRID, this.grid_dash_on, this.grid_dash_off); - } - } - } - return 1; - }, - grid_paint: function() - { - var i; - var res = 0; - var X0, Y0; - - if (this.draw_3d_border > 0) { - i = this.draw_3d_border; - this.gfx_new_area(0, this.yimg, i, this.yimg - i, i, i, this.GRC.SHADEA); - this.gfx_add_point(this.ximg - i, i); - this.gfx_add_point(this.ximg, 0); - this.gfx_add_point(0, 0); - this.gfx_close_path(); - this.gfx_new_area(i, this.yimg - i, this.ximg - i, this.yimg - i, this.ximg - i, i, this.GRC.SHADEB); - this.gfx_add_point(this.ximg, 0); - this.gfx_add_point(this.ximg, this.yimg); - this.gfx_add_point(0, this.yimg); - this.gfx_close_path(); - } - if (this.draw_x_grid) - this.vertical_grid(); - if (this.draw_y_grid) { - if (this.logarithmic) - res = this.horizontal_log_grid(); - else - res = this.draw_horizontal_grid(); - /* dont draw horizontal grid if there is no min and max val */ - if (!res) { - this.gfx_text(this.ximg / 2, (2 * this.yorigin - this.ysize) / 2, - this.GRC.FONT, this.TEXT.AXIS, - this.tabwidth, 0.0, - this.GFX_H.CENTER, this.GFX_V.CENTER, 'No Data found'); - } - } - - /* yaxis unit description */ - if (this.ylegend){ - this.gfx_text(this.xOriginLegendY+10, this.yOriginLegendY, - this.GRC.FONT, this.TEXT.UNIT, this.tabwidth, this.YLEGEND_ANGLE, - this.GFX_H.CENTER, this.GFX_V.CENTER, this.ylegend); - - } - if (this.second_axis_legend){ - this.gfx_text(this.xOriginLegendY2+10, this.yOriginLegendY2, - this.GRC.FONT, this.TEXT.UNIT, this.tabwidth, this.YLEGEND_ANGLE, - this.GFX_H.CENTER, this.GFX_V.CENTER, this.second_axis_legend); - } - - /* graph title */ - this.gfx_text(this.xOriginTitle, this.yOriginTitle+6, - this.GRC.FONT, this.TEXT.TITLE, this.tabwidth, 0.0, this.GFX_H.CENTER, this.GFX_V.TOP, this.title); - /* rrdtool 'logo' */ - if (!this.no_rrdtool_tag){ - var color = this.parse_color(this.GRC.FONT); - color[3] = 0.3; - var water_color = this.color2rgba(color); - var xpos = this.legendposition === this.LEGEND_POS.EAST ? this.xOriginLegendY : this.ximg - 4; - this.gfx_text(xpos, 5, water_color, this.TEXT.WATERMARK, this.tabwidth, - -90, this.GFX_H.LEFT, this.GFX_V.TOP, "RRDTOOL / TOBI OETIKER"); - } - /* graph watermark */ - if (this.watermark) { - var color = this.parse_color(this.GRC.FONT); - color[3] = 0.3; - var water_color = this.color2rgba(color); - this.gfx_text(this.ximg / 2, this.yimg - 6, water_color, this.TEXT.FONT , this.tabwidth, 0, - this.GFX_H.CENTER, this.GFX_V.BOTTOM, this.watermark); - } - /* graph labels */ - if (!(this.no_legend) && !(this.only_graph)) { - for (var i = 0 , gdes_c = this.gdes.length; i < gdes_c; i++) { - if (!this.gdes[i].legend) continue; - X0 = this.xOriginLegend + this.gdes[i].leg_x; - Y0 = this.legenddirection === this.LEGEND_DIR.TOP_DOWN ? this.yOriginLegend + this.gdes[i].leg_y : this.yOriginLegend + this.legendheight - this.gdes[i].leg_y; - this.gfx_text(X0, Y0, this.GRC.FONT, this.TEXT.LEGEND, this.tabwidth, 0.0, this.GFX_H.LEFT, this.GFX_V.BOTTOM, this.gdes[i].legend); - if (this.gdes[i].gf != RRDGraphDesc.GF.PRINT && this.gdes[i].gf != RRDGraphDesc.GF.GPRINT && this.gdes[i].gf != RRDGraphDesc.GF.COMMENT) { - var boxH, boxV; - var X1, Y1; - - boxH = this.gfx_get_text_width(0,this.TEXT.LEGEND, this.tabwidth, 'o') * 1.2; - boxV = boxH; - - Y0 -= boxV * 0.4; - - if (this.dynamic_labels && this.gdes[i].gf === RRDGraphDesc.GF.HRULE) { - this.gfx_line(X0, Y0 - boxV / 2, X0 + boxH, Y0 - boxV / 2, 1.0, this.gdes[i].col); - } else if (this.dynamic_labels && this.gdes[i].gf === RRDGraphDesc.GF.VRULE) { - this.gfx_line(X0 + boxH / 2, Y0, X0 + boxH / 2, Y0 - boxV, 1.0, this.gdes[i].col); - } else if (this.dynamic_labels && this.gdes[i].gf === RRDGraphDesc.GF.LINE) { - this.gfx_line(X0, Y0, X0 + boxH, Y0 - boxV, this.gdes[i].linewidth, this.gdes[i].col); - } else { - this.gfx_new_area(X0, Y0 - boxV, X0, Y0, X0 + boxH, Y0, this.GRC.BACK); - this.gfx_add_point(Math.round(X0 + boxH)+0.5, Math.round(Y0 - boxV)+0.5); - this.gfx_close_path(); - this.gfx_new_area(X0, Y0 - boxV, X0, Y0, X0 + boxH, Y0, this.gdes[i].col); - this.gfx_add_point(Math.round(X0 + boxH)+0.5, Math.round(Y0 - boxV)+0.5); - this.gfx_close_path(); - this.ctx.save(); - - this.ctx.beginPath(); - this.ctx.lineWidth = 1.0; - X1 = X0 + boxH; - Y1 = Y0 - boxV; - X0 = Math.round(X0)+0.5; - X1 = Math.round(X1)+0.5; - Y0 = Math.round(Y0)+0.5; - Y1 = Math.round(Y1)+0.5; - this.ctx.moveTo(X0, Y0); - this.ctx.lineTo(X1, Y0); - this.ctx.lineTo(X1, Y1); - this.ctx.lineTo(X0, Y1); - this.ctx.closePath(); - this.ctx.strokeStyle = this.GRC.FRAME; - this.ctx.stroke(); - this.ctx.restore(); - } -// if (this.gdes[i].dash) { FIXME -// double dashes[] = { 3.0 }; -// cairo_set_dash(this.cr, dashes, 1, 0.0); -// } - } - } - } - }, - graph_size_location: function (elements) - { - var Xvertical = 0; - var Xvertical2 = 0; - var Ytitle = 0; - var Xylabel = 0; - var Xmain = 0; - var Ymain = 0; - var Yxlabel = 0; - var Xspacing = 15; - var Yspacing = 15; - var Ywatermark = 4; - - if (this.only_graph) { - this.xorigin = 0; - this.ximg = this.xsize; - this.yimg = this.ysize; - this.yorigin = this.ysize; - this.ytr(Number.NaN); - return 0; - } - - if(this.watermark) - Ywatermark = this.TEXT.WATERMARK.size * 1.5; // 2 - if(this.ylegend) - Xvertical = this.TEXT.UNIT.size * 1.5; // 2 - if(this.second_axis_legend) - Xvertical2 = this.TEXT.UNIT.size * 1.5; // 2 - - if(this.title) - Ytitle = this.TEXT.TITLE.size * 1.95 + 10; // 2.6 - else - Ytitle = 1.5 * Yspacing; - - if (elements) { - if (this.draw_x_grid) - Yxlabel = this.TEXT.AXIS.size * 1.35; // 2.5 1.87 - if (this.draw_y_grid || this.forceleftspace) // FIXME - Xylabel = this.gfx_get_text_width(0, this.TEXT.AXIS, this.tabwidth, '0') * this.unitslength; - } - Xylabel += Xspacing; - this.legendheight = 0; - this.legendwidth = 0; - if(!this.no_legend) { - if(this.legendposition === this.LEGEND_POS.WEST || this.legendposition === this.LEGEND_POS.EAST){ - if (this.leg_place(1) === -1) return -1; // FIXME - } - } - - if(this.full_size_mode) { - this.ximg = this.xsize; - this.yimg = this.ysize; - Xmain = this.ximg; - Ymain = this.yimg; - - Xmain -= Xylabel;// + Xspacing; - if((this.legendposition === this.LEGEND_POS.WEST || this.legendposition === this.LEGEND_POS.EAST) && !(this.no_legend) ) - Xmain -= this.legendwidth;// + Xspacing; - if (this.second_axis_scale != 0) Xmain -= Xylabel; - if (!(this.no_rrdtool_tag)) Xmain -= Xspacing; - - Xmain -= Xvertical + Xvertical2; - - if(Xmain < 1) Xmain = 1; - this.xsize = Xmain; - - if (!(this.no_legend)) { - if(this.legendposition === this.LEGEND_POS.NORTH || this.legendposition === this.LEGEND_POS.SOUTH){ - this.legendwidth = this.ximg; - if (this.leg_place(0) === -1) return -1; - } - } - - if( (this.legendposition === this.LEGEND_POS.NORTH || this.legendposition === this.LEGEND_POS.SOUTH) && !(this.no_legend) ) - Ymain -= Yxlabel + this.legendheight; - else Ymain -= Yxlabel; - - Ymain -= Ytitle; - - if (this.nolegened) Ymain -= Yspacing; - if (this.watermark) Ymain -= Ywatermark; - if(Ymain < 1) Ymain = 1; - this.ysize = Ymain; - } else { - if (elements) { -// Xmain = this.xsize; // + Xspacing; - Xmain = this.xsize + Xspacing; //FIXME ??? - Ymain = this.ysize; - } - this.ximg = Xmain + Xylabel; - if (!this.no_rrdtool_tag) this.ximg += Xspacing; - - if( (this.legendposition === this.LEGEND_POS.WEST || this.legendposition === this.LEGEND_POS.EAST) && !this.no_legend ) - this.ximg += this.legendwidth;// + Xspacing; - if (this.second_axis_scale != 0) this.ximg += Xylabel; - - this.ximg += Xvertical + Xvertical2; - - if (!(this.no_legend)) { - if(this.legendposition === this.LEGEND_POS.NORTH || this.legendposition === this.LEGEND_POS.SOUTH){ - this.legendwidth = this.ximg; - if (this.leg_place(0) === -1) return -1; - } - } - - this.yimg = Ymain + Yxlabel; - if( (this.legendposition === this.LEGEND_POS.NORTH || this.legendposition === this.LEGEND_POS.SOUTH) && !(this.no_legend) ) - this.yimg += this.legendheight; - - if (Ytitle) this.yimg += Ytitle; - else this.yimg += 1.5 * Yspacing; - - if (this.no_legend) this.yimg += Yspacing; - if (this.watermark) this.yimg += Ywatermark; - } - - - if (!this.no_legend) { - if(this.legendposition === this.LEGEND_POS.WEST || this.legendposition === this.LEGEND_POS.EAST){ - if (this.leg_place(0) === -1) return -1; - } - } - - switch(this.legendposition){ - case this.LEGEND_POS.NORTH: - this.xOriginTitle = Math.round(Xvertical + Xylabel + (this.xsize / 2)); - this.yOriginTitle = 0; - this.xOriginLegend = 0; - this.yOriginLegend = Math.round(Ytitle); - this.xOriginLegendY = 0; - this.yOriginLegendY = Math.round(Ytitle + this.legendheight + (Ymain / 2) + Yxlabel); - this.xorigin = Math.round(Xvertical + Xylabel); - this.yorigin = Math.round(Ytitle + this.legendheight + Ymain); - this.xOriginLegendY2 = Math.round(Xvertical + Xylabel + Xmain); - if (this.second_axis_scale != 0) this.xOriginLegendY2 += Xylabel; - this.yOriginLegendY2 = Math.round(Ytitle + this.legendheight + (Ymain / 2) + Yxlabel); - break; - case this.LEGEND_POS.WEST: - this.xOriginTitle = Math.round(this.legendwidth + Xvertical + Xylabel + this.xsize / 2); - this.yOriginTitle = 0; - this.xOriginLegend = 0; - this.yOriginLegend = Math.round(Ytitle); - this.xOriginLegendY = Math.round(this.legendwidth); - this.yOriginLegendY = Math.round(Ytitle + (Ymain / 2)); - this.xorigin = Math.round(this.legendwidth + Xvertical + Xylabel); - this.yorigin = Math.round(Ytitle + Ymain); - this.xOriginLegendY2 = Math.round(this.legendwidth + Xvertical + Xylabel + Xmain); - if (this.second_axis_scale != 0) this.xOriginLegendY2 += Xylabel; - this.yOriginLegendY2 = Math.round(Ytitle + (Ymain / 2)); - break; - case this.LEGEND_POS.SOUTH: - this.xOriginTitle = Math.round(Xvertical + Xylabel + this.xsize / 2); - this.yOriginTitle = 0; - this.xOriginLegend = 0; - this.yOriginLegend = Math.round(Ytitle + Ymain + Yxlabel); - this.xOriginLegendY = 0; - this.yOriginLegendY = Math.round(Ytitle + (Ymain / 2)); - this.xorigin = Math.round(Xvertical + Xylabel); - this.yorigin = Math.round(Ytitle + Ymain); - this.xOriginLegendY2 = Math.round(Xvertical + Xylabel + Xmain); - if (this.second_axis_scale != 0) this.xOriginLegendY2 += Xylabel; - this.yOriginLegendY2 = Math.round(Ytitle + (Ymain / 2)); - break; - case this.LEGEND_POS.EAST: - this.xOriginTitle = Math.round(Xvertical + Xylabel + this.xsize / 2); - this.yOriginTitle = 0; - this.xOriginLegend = Math.round(Xvertical + Xylabel + Xmain + Xvertical2); - if (this.second_axis_scale != 0) this.xOriginLegend += Xylabel; - this.yOriginLegend = Math.round(Ytitle); - this.xOriginLegendY = 0; - this.yOriginLegendY = Math.round(Ytitle + (Ymain / 2)); - this.xorigin = Math.round(Xvertical + Xylabel); - this.yorigin = Math.round(Ytitle + Ymain); - this.xOriginLegendY2 = Math.round(Xvertical + Xylabel + Xmain); - if (this.second_axis_scale != 0) this.xOriginLegendY2 += Xylabel; - this.yOriginLegendY2 = Math.round(Ytitle + (Ymain / 2)); - - if (!this.no_rrdtool_tag){ - this.xOriginTitle += Xspacing; - this.xOriginLegend += Xspacing; - this.xOriginLegendY += Xspacing; - this.xorigin += Xspacing; - this.xOriginLegendY2 += Xspacing; - } - break; - } - this.xtr(0); - this.ytr(Number.NaN); - return 0; - }, - graph_paint: function() - { - if (this.logarithmic && this.minval <= 0) - throw "for a logarithmic yaxis you must specify a lower-limit > 0"; - -// var start_end = RRDTime.proc_start_end(this.start_t, this.end_t); -// this.start = start_end[0]; -// this.end = start_end[1]; - - if (this.start < 3600 * 24 * 365 * 10) - throw "the first entry to fetch should be after 1980 ("+this.start+"%ld)"; - - if (this.end < this.start) - throw "start ("+this.start+") should be less than end ("+this.end+")"; - -// this.xlab_form = null - this.xlab_user = { minsec: -1, length: 0, gridtm: 0, gridst: 0, mgridtm: 0, mgridst: 0, labtm: 0, labst: 0, precis: 0, stst: null }; - this.ygrid_scale = { gridstep: 0.0, labfact:0 , labfmt: null }; - this.minval = this.setminval; - this.maxval = this.setmaxval; - - this.step = Math.max(this.step, (this.end - this.start) / this.xsize); - - for (var i = 0, gdes_c = this.gdes.length; i < gdes_c; i++) { - this.gdes[i].step = 0; // FIXME 0? - this.gdes[i].step_orig = this.step; - this.gdes[i].start = this.start; // FIXME SHIFT -// this.gdes[i].start_orig = this.start; - this.gdes[i].end = this.end; // FIXME SHIFT -// this.gdes[i].end_orig = this.end; - } - - var areazero = 0.0; - var lastgdes = null; - - if (this.data_fetch() === -1) - return -1; - if (this.data_calc() === -1) - return -1; - var i = this.print_calc(); - if (i < 0) - return -1; - if (this.graph_size_location(i) === -1) - return -1; - - if (this.data_proc() === -1) - return -1; - if (!this.logarithmic) - this.si_unit(); - if (!this.rigid && !this.logarithmic) - this.expand_range(); - - if (this.magfact === 0) this.magfact =1; // FIXME XXX XXX logarithmic Â? - - if (!this.calc_horizontal_grid()) - return -1; - - this.ytr(Number.NaN); - - this.canvas.height = this.yimg; - this.canvas.width = this.ximg; - - this.gfx_new_area(0, 0, 0, this.yimg, this.ximg, this.yimg, this.GRC.BACK); - this.gfx_add_point(this.ximg, 0); - this.gfx_close_path(); - - this.gfx_new_area(this.xorigin, this.yorigin, this.xorigin + this.xsize, - this.yorigin, this.xorigin + this.xsize, this.yorigin - this.ysize, this.GRC.CANVAS); - this.gfx_add_point(this.xorigin, this.yorigin - this.ysize); - this.gfx_close_path(); - -// this.ctx.rect(this.xorigin, this.yorigin - this.ysize - 1.0, this.xsize, this.ysize + 2.0); -// this.ctx.clip(); - - if (this.minval > 0.0) areazero = this.minval; - if (this.maxval < 0.0) areazero = this.maxval; - - for (var i = 0, gdes_c = this.gdes.length; i < gdes_c; i++) { - switch (this.gdes[i].gf) { - case RRDGraphDesc.GF.CDEF: - case RRDGraphDesc.GF.VDEF: - case RRDGraphDesc.GF.DEF: - case RRDGraphDesc.GF.PRINT: - case RRDGraphDesc.GF.GPRINT: - case RRDGraphDesc.GF.COMMENT: - case RRDGraphDesc.GF.TEXTALIGN: - case RRDGraphDesc.GF.HRULE: - case RRDGraphDesc.GF.VRULE: - case RRDGraphDesc.GF.XPORT: - case RRDGraphDesc.GF.SHIFT: - break; - case RRDGraphDesc.GF.TICK: - for (var ii = 0; ii < this.xsize; ii++) { - if (!isNaN(this.gdes[i].p_data[ii]) && this.gdes[i].p_data[ii] != 0.0) { - if (this.gdes[i].yrule > 0) { - this.gfx_line(this.xorigin + ii, this.yorigin + 1.0, this.xorigin + ii, this.yorigin - this.gdes[i].yrule * this.ysize, 1.0, this.gdes[i].col); - } else if (this.gdes[i].yrule < 0) { - this.gfx_line(this.xorigin + ii, this.yorigin - this.ysize - 1.0, this.xorigin + ii, this.yorigin - this.ysize - this.gdes[i].yrule * this.ysize, 1.0, this.gdes[i].col); - } - } - } - break; - case RRDGraphDesc.GF.LINE: - case RRDGraphDesc.GF.AREA: - var diffval = this.maxval - this.minval; - var maxlimit = this.maxval + 9 * diffval; - var minlimit = this.minval - 9 * diffval; - for (var ii = 0; ii < this.xsize; ii++) { - if (!isNaN(this.gdes[i].p_data[ii])) { // FIXME NaN < ??? - if (!isFinite(this.gdes[i].p_data[ii])) { - if (this.gdes[i].p_data[ii] > 0) this.gdes[i].p_data[ii] = this.maxval; - else this.gdes[i].p_data[ii] = this.minval; - } - if (this.gdes[i].p_data[ii] > maxlimit) this.gdes[i].p_data[ii] = maxlimit; - if (this.gdes[i].p_data[ii] < minlimit) this.gdes[i].p_data[ii] = minlimit; - } - } - var color = this.parse_color(this.gdes[i].col); // if (this.gdes[i].col.alpha != 0.0) { - if (color[3] != 0.0) { - if (this.gdes[i].gf === RRDGraphDesc.GF.LINE) { - var last_y = 0.0; - var draw_on = false; - - this.ctx.save(); - this.ctx.beginPath(); - this.ctx.lineWidth = this.gdes[i].linewidth; - //if (this.gdes[i].dash) cairo_set_dash(this.cr, this.gdes[i].p_dashes, this.gdes[i].ndash, this.gdes[i].offset); FIXME - for (var ii = 1; ii < this.xsize; ii++) { - if (isNaN(this.gdes[i].p_data[ii]) || (this.slopemode && isNaN(this.gdes[i].p_data[ii - 1]))) { - draw_on = false; - continue; - } - if (!draw_on) { - last_y = this.ytr(this.gdes[i].p_data[ii]); - if (!this.slopemode) { - var x = ii - 1 + this.xorigin; - var y = last_y; - x = Math.round(x)+0.5; - y = Math.round(y)+0.5; - this.ctx.moveTo(x, y); - x = ii + this.xorigin; - y = last_y; - x = Math.round(x)+0.5; - y = Math.round(y)+0.5; - this.ctx.lineTo(x, y); - } else { - var x = ii - 1 + this.xorigin; - var y = this.ytr(this.gdes[i].p_data[ii - 1]); - x = Math.round(x)+0.5; - y = Math.round(y)+0.5; - this.ctx.moveTo(x, y); - x = ii + this.xorigin; - y = last_y; - x = Math.round(x)+0.5; - y = Math.round(y)+0.5; - this.ctx.lineTo(x, y); - } - draw_on = true; - } else { - var x1 = ii + this.xorigin; - var y1 = this.ytr(this.gdes[i].p_data[ii]); - - if (!this.slopemode && !this.AlmostEqual2sComplement(y1, last_y, 4)) { - var x = ii - 1 + this.xorigin; - var y = y1; - - x = Math.round(x)+0.5; - y = Math.round(y)+0.5; - this.ctx.lineTo(x, y); - } - last_y = y1; - x1 = Math.round(x1)+0.5; - y1 = Math.round(y1)+0.5; - this.ctx.lineTo(x1, y1); - } - } - //cairo_set_source_rgba(this.cr, this.gdes[i]. col.red, this.gdes[i]. col.green, this.gdes[i]. col.blue, this.gdes[i].col.alpha); - this.ctx.strokeStyle = this.gdes[i].col; - this.ctx.lineCap = 'round'; //cairo_set_line_cap(this.cr, CAIRO_LINE_CAP_ROUND); - this.ctx.round = 'round'; //cairo_set_line_join(this.cr, CAIRO_LINE_JOIN_ROUND); - this.ctx.stroke(); - this.ctx.restore(); - } else { - var idxI = -1; - var foreY = []; - var foreX = []; - var backY = []; - var backX = []; - var drawem = false; - - for (ii = 0; ii <= this.xsize; ii++) { - var ybase, ytop; - - if (idxI > 0 && (drawem || ii === this.xsize)) { - var cntI = 1; - var lastI = 0; - - while (cntI < idxI && this.AlmostEqual2sComplement(foreY [lastI], foreY[cntI], 4) && this.AlmostEqual2sComplement(foreY [lastI], foreY [cntI + 1], 4)) - cntI++; - this.gfx_new_area(backX[0], backY[0], foreX[0], foreY[0], foreX[cntI], foreY[cntI], this.gdes[i].col); - while (cntI < idxI) { - lastI = cntI; - cntI++; - while (cntI < idxI && this.AlmostEqual2sComplement(foreY [lastI], foreY[cntI], 4) && this.AlmostEqual2sComplement(foreY [lastI], foreY [cntI + 1], 4)) - cntI++; - this.gfx_add_point(foreX[cntI], foreY[cntI]); - } - this.gfx_add_point(backX[idxI], backY[idxI]); - while (idxI > 1) { - lastI = idxI; - idxI--; - while (idxI > 1 && this.AlmostEqual2sComplement(backY [lastI], backY[idxI], 4) && this.AlmostEqual2sComplement(backY [lastI], backY [idxI - 1], 4)) - idxI--; - this.gfx_add_point(backX[idxI], backY[idxI]); - } - idxI = -1; - drawem = false; - this.gfx_close_path(); - } - if (drawem) { - drawem = false; - idxI = -1; - } - if (ii === this.xsize) - break; - if (!this.slopemode && ii === 0) - continue; - if (isNaN(this.gdes[i].p_data[ii])) { - drawem = true; - continue; - } - ytop = this.ytr(this.gdes[i].p_data[ii]); - if (lastgdes && this.gdes[i].stack) ybase = this.ytr(lastgdes.p_data[ii]); - else ybase = this.ytr(areazero); - if (ybase === ytop) { - drawem = true; - continue; - } - - if (ybase > ytop) { - var extra = ytop; - ytop = ybase; - ybase = extra; - } - if (!this.slopemode) { - backY[++idxI] = ybase - 0.2; - backX[idxI] = ii + this.xorigin - 1; - foreY[idxI] = ytop + 0.2; - foreX[idxI] = ii + this.xorigin - 1; - } - backY[++idxI] = ybase - 0.2; - backX[idxI] = ii + this.xorigin; - foreY[idxI] = ytop + 0.2; - foreX[idxI] = ii + this.xorigin; - } - } - } - /* if color != 0x0 */ - /* make sure we do not run into trouble when stacking on NaN */ - for (ii = 0; ii < this.xsize; ii++) { - if (isNaN(this.gdes[i].p_data[ii])) { - if (lastgdes && (this.gdes[i].stack)) this.gdes[i].p_data[ii] = lastgdes.p_data[ii]; - else this.gdes[i].p_data[ii] = areazero; - } - } - lastgdes = this.gdes[i]; //lastgdes = &(this.gdes[i]); - break; - case RRDGraphDesc.GF.STACK: - throw "STACK should already be turned into LINE or AREA here"; - break; - } - } -// cairo_reset_clip(this.cr); - if (!this.only_graph) - this.grid_paint(); - if (!this.only_graph) - this.axis_paint(); - /* the RULES are the last thing to paint ... */ - for (var i = 0, gdes_c = this.gdes.length; i < gdes_c; i++) { - switch (this.gdes[i].gf) { - case RRDGraphDesc.GF.HRULE: - if (this.gdes[i].yrule >= this.minval && this.gdes[i].yrule <= this.maxval) { - //if (this.gdes[i].dash) cairo_set_dash(this.cr, this.gdes[i].p_dashes, this.gdes[i].ndash, this.gdes[i].offset); - this.gfx_line(this.xorigin, this.ytr(this.gdes[i].yrule), this.xorigin + this.xsize, this.ytr(this.gdes[i].yrule), 1.0, this.gdes[i].col); - } - break; - case RRDGraphDesc.GF.VRULE: - if (this.gdes[i].xrule >= this.start && this.gdes[i].xrule <= this.end) { - //if (this.gdes[i].dash) cairo_set_dash(this.cr, this.gdes[i].p_dashes, this.gdes[i].ndash, this.gdes[i].offset); - this.gfx_line(this.xtr(this.gdes[i].xrule), this.yorigin, this.xtr(this.gdes[i].xrule), this.yorigin - this.ysize, 1.0, this.gdes[i].col); - } - break; - default: - break; - } - } - return 0; - }, - find_var: function(key) - { - for (var ii = 0, gdes_c = this.gdes.length; ii < gdes_c; ii++) { - if ((this.gdes[ii].gf === RRDGraphDesc.GF.DEF - || this.gdes[ii].gf === RRDGraphDesc.GF.VDEF - || this.gdes[ii].gf === RRDGraphDesc.GF.CDEF) - && this.gdes[ii].vname === key) { - return ii; - } - } - throw new Error('Key not found ' + key); - }, - // DEF:<vname>=<rrdfile>:<ds-name>:<CF>[:step=<step>][:start=<time>][:end=<time>][:reduce=<CF>] - parse_def: function (line) - { - var args = line.split(/:/); - var n=1; - var vnames = args[n++].split('='); - var vname = vnames[0]; - var rrdfile = vnames[1]; - var name = args[n++]; - var cf = args[n++]; - var step = undefined; - var reduce = undefined; - var start = undefined; - var end = undefined; - if (args.length > n) { - for (var j = n, xlen = args.length ; j < xlen ; j++) { - var opts = args[j].split("="); - if (opts[0] === "step") step = opts[1]; - if (opts[0] === "reduce") reduce = opts[1]; - if (opts[0] === "start") start = opts[1]; - if (opts[0] === "end") end = opts[1]; - } - } - this.create_def(vname, rrdfile, name, cf, step, start, end, reduce); - }, - create_def: function (vname, rrdfile, name, cf, step, start, end, reduce) - { - var gdp = new RRDGraphDesc(this); - var start_t = new RRDTime(this.start); - var end_t = new RRDTime(this.end); - - gdp.gf = RRDGraphDesc.GF.DEF; - gdp.vname = vname; -// gdp.vidx = this.find_var(vname); - gdp.rrd = rrdfile; - gdp.ds_nam = name; - gdp.cf = this.cf_conv(cf); - - if (step != undefined && step != null) - gdp.step = step; - if (start != undefined && start != null) - start_t = new RRDTime(start); - if (end != undefined && end != null) - end_t = new RRDTime(end); - if (reduce === undefined || reduce === null) - gdp.cf_reduce = gdp.cf; // ¿? - else - gdp.cf_reduce = this.cf_conv(reduce); - gdp.legend = ''; - - var start_end = RRDTime.proc_start_end(start_t, end_t); // FIXME here? - gdp.start = start_end[0]; - gdp.end = start_end[1]; - gdp.start_orig = start_end[0]; - gdp.end_orig = start_end[1]; - - this.gdes.push(gdp); - }, - // CDEF:vname=RPN expression - parse_cdef: function (line) - { - var args = line.split(/:|=/); - this.create_cdef(args[1], args[2]); - }, - create_cdef:function (vname, rpn) - { - var gdp = new RRDGraphDesc(this); - gdp.gf = RRDGraphDesc.GF.CDEF; - gdp.vname = vname; - gdp.vidx = this.find_var(vname); - - gdp.rpnp = new RRDRpn(rpn,this.gdes); - - gdp.legend = ''; - this.gdes.push(gdp); - }, - // VDEF:vname=RPN expression - parse_vdef: function (line) - { - var args = line.split(/:|=/); - this.create_vdef(args[1], args[2]); - }, - create_vdef:function (vname, rpn) - { - var gdp = new RRDGraphDesc(this); - gdp.gf = RRDGraphDesc.GF.VDEF; - gdp.vname = vname; - - var index = rpn.indexOf(','); - var name = rpn.substring(0,index); - var vidx = this.find_var(name); - if (vidx === -1) { - throw 'variable "'+name+'" does not exist in VDEF.'; - } else { - gdp.vidx = vidx; - } - if (this.gdes[gdp.vidx].gf != RRDGraphDesc.GF.DEF - && this.gdes[gdp.vidx].gf != RRDGraphDesc.GF.CDEF) { - throw 'variable "'+name+'" not DEF nor CDEF in VDEF.'; - } - - this.vdef_parse(gdp, rpn.substring(index+1)); - - gdp.legend = ''; - this.gdes.push(gdp); - }, - // SHIFT:vname:offset - parse_shift: function (line) - { - var args = line.split(':'); - this.create_shift(args[1], args[2]); - }, - create_shift: function (vname, offset) - { - var gdp = new RRDGraphDesc(this); - gdp.gf = RRDGraphDesc.GF.SHIFT; - gdp.vname = vname; // Â? - gdp.vidx = this.find_var(vname); // FIXME checks - - if (this.gdes[gdp.vidx].gf === RRDGraphDesc.GF.VDEF) - throw "Cannot shift a VDEF: '%s' in line '"+this.gdes[gdp.vidx].vname+"'"; - if (this.gdes[gdp.vidx].gf !== RRDGraphDesc.GF.DEF && this.gdes[gdp.vidx].gf !== RRDGraphDesc.GF.CDEF) - throw "Encountered unknown type variable '"+this.gdes[gdp.vidx].vname+"'"; - - gdp.shidx = this.find_var(offset); - if (gdp.shidx >= 0) { - if (this.gdes[gdp.shidx].gf === RRDGraphDesc.GF.DEF || this.gdes[gdp.shidx].gf === RRDGraphDesc.GF.CDEF) - throw "Offset cannot be a (C)DEF: '"+this.gdes[gdp.shidx].gf+"'"; - if (this.gdes[gdp.shidx].gf !== RRDGraphDesc.GF.VDEF) - throw "Encountered unknown type variable '"+this.gdes[gdp.shidx].vname+"'"; - } else { - gdp.shval = parseInt(offset, 10); // FIXME check - gdp.shidx = -1; - } - gdp.legend = ''; - this.gdes.push(gdp); - }, - // LINE[width]:value[#color][:[legend][:STACK]][:dashes[=on_s[,off_s[,on_s,off_s]...]][:dash-offset=offset]] - parse_line: function (line) - { - var args = line.split(/#|:/); - var width = parseFloat(args[0].substr(4)); - var stack = args[4] === 'STACK' ? true : undefined; - var color = this.parse_color(args[2]); - this.create_line(width, args[1], this.color2rgba(color), args[3], stack); - }, - create_line: function (width, value, color, legend, stack) - { - var gdp = new RRDGraphDesc(this); - - gdp.gf = RRDGraphDesc.GF.LINE; - gdp.vname = value; - gdp.vidx = this.find_var(value); - gdp.linewidth = width; - gdp.col = color; - if (legend === undefined) gdp.legend = ''; - else gdp.legend = ' '+legend; - if (stack === undefined) gdp.stack = false; - else gdp.stack = stack; - gdp.format = gdp.legend; - this.gdes.push(gdp); - }, - // AREA:value[#color][:[legend][:STACK]] - parse_area: function (line) - { - var args = line.split(/#|:/); - var stack = args[3] === 'STACK' ? true : undefined; - var color = this.parse_color(args[2]); - this.create_area(args[1], this.color2rgba(color), stack); - }, - create_area: function (value, color, legend, stack) - { - var gdp = new RRDGraphDesc(this); - - gdp.gf = RRDGraphDesc.GF.AREA; - gdp.vname = value; - gdp.vidx = this.find_var(value); - gdp.col = color; - if (legend === undefined) gdp.legend = ''; - else gdp.legend = ' '+legend; - if (stack === undefined) gdp.stack = false; - else gdp.stack = stack; - gdp.format = gdp.legend; - this.gdes.push(gdp); - }, - // TICK:vname#rrggbb[aa][:fraction[:legend]] - parse_tick: function (line) - { - var args = line.split(/:|#/); - var color = this.parse_color(args[2]); - this.create_tick(args[1], this.color2rgba(color), args[3], args[4]); - }, - create_tick: function (vname, color, fraction, legend) - { - var gdp = new RRDGraphDesc(this); - gdp.gf = RRDGraphDesc.GF.TICK; - gdp.vname = vname; - gdp.vidx = this.find_var(vname); - gdp.col = color; - if (legend !== undefined) - gdp.yrule = fraction; - if (legend === undefined) gdp.legend = ''; - else gdp.legend = ' '+legend; - gdp.format = gdp.legend; - this.gdes.push(gdp); - }, - // GPRINT:vname:format - parse_gprint: function(line) - { - var args = line.split(':'); - var strftime = false; - var vname = args[1]; - var cf = args[2]; - var format = ""; - if (args.length > 3) { - var m=0; - for (var j = 3, xlen = args.length ; j < xlen ; j++) { - if (args[j] === 'strftime') { - strftime = true; - } else { - if (m>0) { - format = format + ':'+ args[j]; - } else { - format = args[j]; - } - m++; - } - } - } - this.create_gprint(vname, cf, format, strftime); - }, - create_gprint: function (vname, cf, format, strftime) - { - var gdp = new RRDGraphDesc(this); - gdp.gf = RRDGraphDesc.GF.GPRINT; - gdp.vname = vname; - gdp.vidx = this.find_var(vname); - gdp.legend = ''; - if (format === undefined) { - gdp.format = cf; - switch (this.gdes[gdp.vidx].gf) { - case RRDGraphDesc.GF.DEF: - case RRDGraphDesc.GF.CDEF: - gdp.cf = this.gdes[gdp.vidx].cf; - break; - case RRDGraphDesc.GF.VDEF: - break; - default: - throw "Encountered unknown type variable "+this.gdes[gdp.vidx].vname; - } - } else { - gdp.cf = this.cf_conv(cf); - gdp.format = format; - } - // if (this.gdes[gdp.vidx].gf === RRDGraphDesc.GF.VDEF && gdp.strftm === true) // FIXME - if (this.gdes[gdp.vidx].gf === RRDGraphDesc.GF.VDEF && strftime === true) // FIXME - gdp.strftm = true; - this.gdes.push(gdp); - }, - //COMMENT:text - parse_comment: function (line) - { - var index = line.indexOf(':'); - this.create_comment(line.substr(index+1)); - }, - create_comment: function (text) - { - var gdp = new RRDGraphDesc(this); - gdp.gf = RRDGraphDesc.GF.COMMENT; - gdp.vidx = -1; - gdp.legend = text; - this.gdes.push(gdp); - }, - // TEXTALIGN:{left|right|justified|center} - parse_textaling: function (line) - { - var index = line.indexOf(':'); - this.create_textaling(line.substr(index+1)); - }, - create_textalign: function (align) - { - var gdp = new RRDGraphDesc(this); - gdp.gf = RRDGraphDesc.GF.TEXTALIGN; - gdp.vidx = -1; - if (align === "left") { - gdp.txtalign = RRDGraphDesc.TXA.LEFT; - } else if (align === "right") { - gdp.txtalign = RRDGraphDesc.TXA.RIGHT; - } else if (align === "justified") { - gdp.txtalign = RRDGraphDesc.TXA.JUSTIFIED; - } else if (align === "center") { - gdp.txtalign = RRDGraphDesc.TXA.CENTER; - } else { - throw "Unknown alignement type '"+align+"'"; - } - this.gdes.push(gdp); - }, - // VRULE:time#color[:legend][:dashes[=on_s[,off_s[,on_s,off_s]...]][:dash-offset=offset]] - parse_vrule: function (line) - { - var args = line.split(/:|#/); - this.create_vrule(args[1], '#'+args[2], args[3]); - }, - create_vrule: function (time, color, legend) - { - var gdp = new RRDGraphDesc(this); - - gdp.gf = RRDGraphDesc.GF.VRULE; - gdp.xrule = time; - gdp.col = color; - if (legend === undefined) gdp.legend = ''; - else gdp.legend = ' '+legend; - this.gdes.push(gdp); - }, - // HRULE:value#color[:legend][:dashes[=on_s[,off_s[,on_s,off_s]...]][:dash-offset=offset]] - parse_hrule: function (line) - { - var args = line.split(/:|#/); - this.create_hrule(args[1], '#'+args[2], args[3]); - }, - create_hrule: function (value, color, legend) - { - var gdp = new RRDGraphDesc(this); - - gdp.gf = RRDGraphDesc.GF.HRULE; - gdp.yrule = value; - gdp.col = color; - if (legend === undefined) gdp.legend = ''; - else gdp.legend = ' '+legend; - - this.gdes.push(gdp); - }, - cf_conv: function (str) - { - switch (str){ - case 'AVERAGE': return RRDGraphDesc.CF.AVERAGE; - case 'MIN': return RRDGraphDesc.CF.MINIMUM; - case 'MAX': return RRDGraphDesc.CF.MAXIMUM; - case 'LAST': return RRDGraphDesc.CF.LAST; - case 'HWPREDICT': return RRDGraphDesc.CF.HWPREDICT; - case 'MHWPREDICT': return RRDGraphDesc.CF.MHWPREDICT; - case 'DEVPREDICT': return RRDGraphDesc.CF.DEVPREDICT; - case 'SEASONAL': return RRDGraphDesc.CF.SEASONAL; - case 'DEVSEASONAL': return RRDGraphDesc.CF.DEVSEASONAL; - case 'FAILURES': return RRDGraphDesc.CF.FAILURES; - } - return -1; - }, - tmt_conv: function (str) - { - switch (str) { - case 'SECOND': return RRDGraph.TMT.SECOND; - case 'MINUTE': return RRDGraph.TMT.MINUTE; - case 'HOUR': return RRDGraph.TMT.HOUR; - case 'DAY': return RRDGraph.TMT.DAY; - case 'WEEK': return RRDGraph.TMT.WEEK; - case 'MONTH': return RRDGraph.TMT.MONTH; - case 'YEAR': return RRDGraph.TMT.YEAR; - } - return -1; - }, - // struct graph_desc_t *gdes, const char *const str) - vdef_parse: function(gdes, str) - { /* A VDEF currently is either "func" or "param,func" so the parsing is rather simple. Change if needed. */ - var param; - var func; - var n; - - n = 0; - var index = str.indexOf(','); - if (index != -1) { - param = parseFloat(str.substr(0,index)); - func = str.substr(index+1); - } else { - param = Number.NaN; - func = str; - } - - gdes.vf = { op: null, param: null, val: null, when: null }; - - if (func === 'PERCENT') gdes.vf.op = RRDGraphDesc.VDEF.PERCENT; - else if (func === 'PERCENTNAN') gdes.vf.op = RRDGraphDesc.VDEF.PERCENTNAN; - else if (func === 'MAXIMUM') gdes.vf.op = RRDGraphDesc.VDEF.MAXIMUM; - else if (func === 'AVERAGE') gdes.vf.op = RRDGraphDesc.VDEF.AVERAGE; - else if (func === 'STDEV') gdes.vf.op = RRDGraphDesc.VDEF.STDEV; - else if (func === 'MINIMUM') gdes.vf.op = RRDGraphDesc.VDEF.MINIMUM; - else if (func === 'TOTAL') gdes.vf.op = RRDGraphDesc.VDEF.TOTAL; - else if (func === 'FIRST') gdes.vf.op = RRDGraphDesc.VDEF.FIRST; - else if (func === 'LAST') gdes.vf.op = RRDGraphDesc.VDEF.LAST; - else if (func === 'LSLSLOPE') gdes.vf.op = RRDGraphDesc.VDEF.LSLSLOPE; - else if (func === 'LSLINT') gdes.vf.op = RRDGraphDesc.VDEF.LSLINT; - else if (func === 'LSLCORREL') gdes.vf.op = RRDGraphDesc.VDEF.LSLCORREL; - else { - throw 'Unknown function "'+func+'" in VDEF "'+gdes.vame+'"'; - } - - switch (gdes.vf.op) { - case RRDGraphDesc.VDEF.PERCENT: - case RRDGraphDesc.VDEF.PERCENTNAN: - if (isNaN(param)) { /* no parameter given */ - throw "Function '"+func+"' needs parameter in VDEF '"+gdes.vname+"'"; - } - if (param >= 0.0 && param <= 100.0) { - gdes.vf.param = param; - gdes.vf.val = Number.NaN; /* undefined */ - gdes.vf.when = 0; /* undefined */ - } else { - throw "Parameter '"+param+"' out of range in VDEF '"+gdes.vname+"'"; - } - break; - case RRDGraphDesc.VDEF.MAXIMUM: - case RRDGraphDesc.VDEF.AVERAGE: - case RRDGraphDesc.VDEF.STDEV: - case RRDGraphDesc.VDEF.MINIMUM: - case RRDGraphDesc.VDEF.TOTAL: - case RRDGraphDesc.VDEF.FIRST: - case RRDGraphDesc.VDEF.LAST: - case RRDGraphDesc.VDEF.LSLSLOPE: - case RRDGraphDesc.VDEF.LSLINT: - case RRDGraphDesc.VDEF.LSLCORREL: - if (isNaN(param)) { - gdes.vf.param = Number.NaN; - gdes.vf.val = Number.NaN; - gdes.vf.when = 0; - } else { - throw "Function '"+func+"' needs no parameter in VDEF '"+gdes.vname+"'"; - } - break; - } - return 0; - }, - vdef_calc: function(gdi) - { - var src, dst; - var data; - var step, steps; - - dst = this.gdes[gdi]; - src = this.gdes[dst.vidx]; - //data = src.data + src.ds; // FIXME ¿? - data = src.data; - - steps = (src.end - src.start) / src.step; - - switch (dst.vf.op) { - case RRDGraphDesc.VDEF.PERCENT: - var array = []; - var field; - - for (step = 0; step < steps; step++) { - array[step] = data[step * src.ds_cnt]; - } - array.sort(this.vdef_percent_compar); - field = Math.round((dst.vf.param * (steps - 1)) / 100.0); - dst.vf.val = array[field]; - dst.vf.when = 0; /* no time component */ - break; - case RRDGraphDesc.VDEF.PERCENTNAN: - var array = []; - var field; - //var nancount=0; - - field=0; - for (step = 0; step < steps; step++) { - if (!isNaN(data[step * src.ds_cnt])) { - array[field] = data[step * src.ds_cnt]; - } - } - array.sort(vdef_percent_compar); - field = Math.round(dst.vf.param * (field - 1) / 100.0); - dst.vf.val = array[field]; - dst.vf.when = 0; /* no time component */ - break; - case RRDGraphDesc.VDEF.MAXIMUM: - step = 0; - while (step != steps && isNaN(data[step * src.ds_cnt])) step++; - if (step === steps) { - dst.vf.val = Number.NaN; - dst.vf.when = 0; - } else { - dst.vf.val = data[step * src.ds_cnt]; - dst.vf.when = src.start + (step + 1) * src.step; - } - while (step != steps) { - if (isFinite(data[step * src.ds_cnt])) { - if (data[step * src.ds_cnt] > dst.vf.val) { - dst.vf.val = data[step * src.ds_cnt]; - dst.vf.when = src.start + (step + 1) * src.step; - } - } - step++; - } - break; - case RRDGraphDesc.VDEF.TOTAL: - case RRDGraphDesc.VDEF.STDEV: - case RRDGraphDesc.VDEF.AVERAGE: - var cnt = 0; - var sum = 0.0; - var average = 0.0; - - for (step = 0; step < steps; step++) { - if (isFinite(data[step * src.ds_cnt])) { - sum += data[step * src.ds_cnt]; - cnt++; - } - } - - if (cnt) { - if (dst.vf.op === RRDGraphDesc.VDEF.TOTAL) { - dst.vf.val = sum * src.step; - dst.vf.when = 0; /* no time component */ - } else if (dst.vf.op === RRDGraphDesc.VDEF.AVERAGE) { - dst.vf.val = sum / cnt; - dst.vf.when = 0; /* no time component */ - } else { - average = sum / cnt; - sum = 0.0; - for (step = 0; step < steps; step++) { - if (isFinite(data[step * src.ds_cnt])) { - sum += Math.pow((data[step * src.ds_cnt] - average), 2.0); - } - } - dst.vf.val = Math.pow(sum / cnt, 0.5); - dst.vf.when = 0; /* no time component */ - } - } else { - dst.vf.val = Number.NaN; - dst.vf.when = 0; - } - break; - case RRDGraphDesc.VDEF.MINIMUM: - step = 0; - while (step != steps && isNaN(data[step * src.ds_cnt])) step++; - if (step === steps) { - dst.vf.val = Number.NaN; - dst.vf.when = 0; - } else { - dst.vf.val = data[step * src.ds_cnt]; - dst.vf.when = src.start + (step + 1) * src.step; - } - while (step != steps) { - if (isFinite(data[step * src.ds_cnt])) { - if (data[step * src.ds_cnt] < dst.vf.val) { - dst.vf.val = data[step * src.ds_cnt]; - dst.vf.when = src.start + (step + 1) * src.step; - } - } - step++; - } - break; - case RRDGraphDesc.VDEF.FIRST: - step = 0; - while (step != steps && isNaN(data[step * src.ds_cnt])) step++; - if (step === steps) { /* all entries were NaN */ - dst.vf.val = Number.NaN; - dst.vf.when = 0; - } else { - dst.vf.val = data[step * src.ds_cnt]; - dst.vf.when = src.start + step * src.step; - } - break; - case RRDGraphDesc.VDEF.LAST: - step = steps - 1; - while (step >= 0 && isNaN(data[step * src.ds_cnt])) step--; - if (step < 0) { /* all entries were NaN */ - dst.vf.val = Number.NaN; - dst.vf.when = 0; - } else { - dst.vf.val = data[step * src.ds_cnt]; - dst.vf.when = src.start + (step + 1) * src.step; - } - break; - case RRDGraphDesc.VDEF.LSLSLOPE: - case RRDGraphDesc.VDEF.LSLINT: - case RRDGraphDesc.VDEF.LSLCORREL: - var cnt = 0; - var SUMx, SUMy, SUMxy, SUMxx, SUMyy, slope, y_intercept, correl; - - SUMx = 0; - SUMy = 0; - SUMxy = 0; - SUMxx = 0; - SUMyy = 0; - - for (step = 0; step < steps; step++) { - if (isFinite(data[step * src.ds_cnt])) { - cnt++; - SUMx += step; - SUMxx += step * step; - SUMxy += step * data[step * src.ds_cnt]; - SUMy += data[step * src.ds_cnt]; - SUMyy += data[step * src.ds_cnt] * data[step * src.ds_cnt]; - } - } - - slope = (SUMx * SUMy - cnt * SUMxy) / (SUMx * SUMx - cnt * SUMxx); - y_intercept = (SUMy - slope * SUMx) / cnt; - correl = (SUMxy - (SUMx * SUMy) / cnt) / Math.sqrt((SUMxx - (SUMx * SUMx) / cnt) * (SUMyy - (SUMy * SUMy) / cnt)); - - if (cnt) { - if (dst.vf.op === RRDGraphDesc.VDEF.LSLSLOPE) { - dst.vf.val = slope; - dst.vf.when = 0; - } else if (dst.vf.op === RRDGraphDesc.VDEF.LSLINT) { - dst.vf.val = y_intercept; - dst.vf.when = 0; - } else if (dst.vf.op === RRDGraphDesc.VDEF.LSLCORREL) { - dst.vf.val = correl; - dst.vf.when = 0; - } - } else { - dst.vf.val = DNAN; - dst.vf.when = 0; - } - break; - } - return 0; - }, - vdef_percent_compar: function (a, b) - { /* Equality is not returned; this doesn't hurt except (maybe) for a little performance. */ - /* NaN < -INF < finite_values < INF */ - if (isNaN(a)) return -1; - if (isNaN(b)) return 1; - /* NaN doesn't reach this part so INF and -INF are extremes. The sign from isinf() is compatible with the sign we return */ - if (!isFinite(a)) { - if (a === -Infinity) return -1; - else return 1; - } - if (!isFinite(b)) { - if (b === -Infinity) return -1; - else return 1; - } - /* If we reach this, both values must be finite */ - if (a < b) return -1; - else return 1; - }, - rrd_fetch: function(gdp, ft_step) - { - var cal_start, cal_end; - var best_full_rra = 0, best_part_rra = 0, chosen_rra = 0; - var best_full_step_diff = 0, best_part_step_diff = 0, tmp_step_diff = 0, tmp_match = 0, best_match = 0; - var full_match, rra_base; - var first_full = 1; - var first_part = 1; - var rrd; - var data_ptr; - var rows; - - try { - if (this.rrdfiles[gdp.rrd]) { - rrd = this.rrdfiles[gdp.rrd]; - } else { - var bf = FetchBinaryURL(gdp.rrd); - rrd = new RRDFile(bf); - this.rrdfiles[gdp.rrd] = rrd; - } - } catch(err) { - console.log(err.message); - console.log(err.stack); - throw "File "+gdp.rrd+" is not a valid RRD archive!"; - } - - var cf_idx = gdp.cf; - var ds_cnt = rrd.getNrDSs(); - var rra_cnt = rrd.getNrRRAs(); - - for (var i = 0; i < ds_cnt; i++) - gdp.ds_namv[i] = rrd.rrd_header.getDSbyIdx(i).getName(); - - for (var i = 0; i < rra_cnt; i++) { - var rra = rrd.getRRAInfo(i); - if (this.cf_conv(rra.getCFName()) === cf_idx) { - cal_end = (rrd.getLastUpdate() - (rrd.getLastUpdate() % (rra.getPdpPerRow() * rra.pdp_step))); - cal_start = (cal_end - (rra.getPdpPerRow() * rra.row_cnt * rra.pdp_step)); - full_match = gdp.end - gdp.start; - - tmp_step_diff = Math.abs(ft_step - (rrd.getMinStep() * rra.pdp_cnt)); - if (cal_start <= gdp.start) { - if (first_full || (tmp_step_diff < best_full_step_diff)) { - first_full = 0; - best_full_step_diff = tmp_step_diff; - best_full_rra = i; - } - } else { - tmp_match = full_match; - if (cal_start > gdp.start) tmp_match -= (cal_start - gdp.start); - if (first_part || (best_match < tmp_match) || (best_match === tmp_match && tmp_step_diff < best_part_step_diff)) { - first_part = 0; - best_match = tmp_match; - best_part_step_diff = tmp_step_diff; - best_part_rra = i; - } - } - } - } - - if (first_full === 0) chosen_rra = best_full_rra; - else if (first_part === 0) chosen_rra = best_part_rra; - else throw "the RRD does not contain an RRA matching the chosen CF"; - - var rra_info = rrd.getRRAInfo(chosen_rra); - var rra = rrd.getRRA(chosen_rra); - - ft_step = rrd.rrd_header.pdp_step * rra_info.getPdpPerRow(); - gdp.start -= (gdp.start % ft_step); - gdp.end += (ft_step - gdp.end % ft_step); - rows = (gdp.end - gdp.start) / ft_step + 1; - - gdp.ds_cnt = ds_cnt; - data_ptr = 0; - - var rra_end_time = (rrd.getLastUpdate() - (rrd.getLastUpdate() % ft_step)); - var rra_start_time = (rra_end_time - (ft_step * (rra_info.row_cnt - 1))); - /* here's an error by one if we don't be careful */ - var start_offset = (gdp.start + ft_step - rra_start_time) / ft_step; - var end_offset = (rra_end_time - gdp.end) / ft_step; - - gdp.data = []; - - for (i = start_offset; i < rra.row_cnt - end_offset; i++) { - if (i < 0) { - for (var ii = 0; ii < ds_cnt; ii++) gdp.data[data_ptr++] = Number.NaN; - } else if (i >= rra.row_cnt) { - for (var ii = 0; ii < ds_cnt; ii++) gdp.data[data_ptr++] = Number.NaN; - } else { - for (var ii = 0; ii < ds_cnt; ii++) { - gdp.data[data_ptr++] = rra.getEl(i, ii); - } - } - } - return ft_step; - } -}; |