diff options
Diffstat (limited to 'cmd/sbc_harness/fs_harness_uptime_txt.c')
| -rw-r--r-- | cmd/sbc_harness/fs_harness_uptime_txt.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/cmd/sbc_harness/fs_harness_uptime_txt.c b/cmd/sbc_harness/fs_harness_uptime_txt.c deleted file mode 100644 index 1425bf9..0000000 --- a/cmd/sbc_harness/fs_harness_uptime_txt.c +++ /dev/null @@ -1,156 +0,0 @@ -/* sbc_harness/fs_harness_uptime_txt.c - 9P access to harness uptime - * - * Copyright (C) 2025 Luke T. Shumaker <lukeshu@lukeshu.com> - * SPDX-License-Identifier: AGPL-3.0-or-later - */ - -#include <stdio.h> /* for snprintf() */ -#include <stdlib.h> /* for malloc(), free() */ - -#include <libhw/generic/alarmclock.h> -#include <util9p/static.h> - -#include "fs_harness_uptime_txt.h" - -LO_IMPLEMENTATION_C(lib9p_srv_file, struct uptime_file, uptime_file, static); - -struct uptime_fio { - struct uptime_file *parent; - size_t buf_len; - char buf[24]; /* len(str(UINT64_MAX)+"ns\n\0") */ -}; - -LO_IMPLEMENTATION_H(lib9p_srv_fio, struct uptime_fio, uptime_fio); -LO_IMPLEMENTATION_C(lib9p_srv_fio, struct uptime_fio, uptime_fio, static); - -/* srv_file *******************************************************************/ - -static void uptime_file_free(struct uptime_file *self) { - assert(self); -} -static struct lib9p_qid uptime_file_qid(struct uptime_file *self) { - assert(self); - - return (struct lib9p_qid){ - .type = LIB9P_QT_FILE, - .vers = 1, - .path = self->pathnum, - }; -} - -static struct lib9p_stat uptime_file_stat(struct uptime_file *self, struct lib9p_srv_ctx *ctx) { - assert(self); - assert(ctx); - - uint64_t now = LO_CALL(bootclock, get_time_ns); - uint64_t size = 0; - while (now) { - size++; - now /= 10; - } - if (!size) - size++; - size += 3; - - return (struct lib9p_stat){ - .kern_type = 0, - .kern_dev = 0, - .file_qid = uptime_file_qid(self), - .file_mode = 0444, - .file_atime = UTIL9P_ATIME, - .file_mtime = UTIL9P_MTIME, - .file_size = size, - .file_name = lib9p_str(self->name), - .file_owner_uid = lib9p_str("root"), - .file_owner_gid = lib9p_str("root"), - .file_last_modified_uid = lib9p_str("root"), - .file_extension = lib9p_str(NULL), - .file_owner_n_uid = 0, - .file_owner_n_gid = 0, - .file_last_modified_n_uid = 0, - }; -} -static void uptime_file_wstat(struct uptime_file *self, struct lib9p_srv_ctx *ctx, - struct lib9p_stat) { - assert(self); - assert(ctx); - - lib9p_error(&ctx->basectx, LIB9P_ERRNO_L_EROFS, "read-only part of filesystem"); -} -static void uptime_file_remove(struct uptime_file *self, struct lib9p_srv_ctx *ctx) { - assert(self); - assert(ctx); - - lib9p_error(&ctx->basectx, LIB9P_ERRNO_L_EROFS, "read-only part of filesystem"); -} - -LIB9P_SRV_NOTDIR(struct uptime_file, uptime_file); - -static lo_interface lib9p_srv_fio uptime_file_fopen(struct uptime_file *self, struct lib9p_srv_ctx *ctx, - bool LM_UNUSED(rd), bool LM_UNUSED(wr), bool LM_UNUSED(trunc)) { - assert(self); - assert(ctx); - - struct uptime_fio *ret = malloc(sizeof(struct uptime_fio)); - ret->parent = self; - ret->buf_len = 0; - - return lo_box_uptime_fio_as_lib9p_srv_fio(ret); -} - -/* srv_fio ********************************************************************/ - -static uint32_t uptime_fio_iounit(struct uptime_fio *self) { - assert(self); - return sizeof(self->buf)-1; -} - -static void uptime_fio_iofree(struct uptime_fio *self) { - assert(self); - free(self); -} - -static struct lib9p_qid uptime_fio_qid(struct uptime_fio *self) { - assert(self); - assert(self->parent); - return uptime_file_qid(self->parent); -} - -static void uptime_fio_pread(struct uptime_fio *self, struct lib9p_srv_ctx *ctx, - uint32_t byte_count, uint64_t byte_offset, - struct iovec *ret) { - assert(self); - assert(ctx); - assert(ret); - - if (byte_offset == 0 || self->buf_len == 0) { - uint64_t now = LO_CALL(bootclock, get_time_ns); - self->buf_len = snprintf(self->buf, sizeof(self->buf), "%"PRIu64"ns\n", now); - } - - if (byte_offset > (uint64_t)self->buf_len) { - lib9p_error(&ctx->basectx, - LIB9P_ERRNO_L_EINVAL, "offset is past end-of-file length"); - return; - } - - size_t beg_off = (size_t)byte_offset; - size_t end_off = beg_off + (size_t)byte_count; - if (end_off > self->buf_len) - end_off = self->buf_len; - *ret = (struct iovec){ - .iov_base = &self->buf[beg_off], - .iov_len = end_off-beg_off, - }; -} - -static uint32_t uptime_fio_pwrite(struct uptime_fio *self, struct lib9p_srv_ctx *ctx, - void *LM_UNUSED(buf), - uint32_t LM_UNUSED(byte_count), - uint64_t LM_UNUSED(byte_offset)) { - assert(self); - assert(ctx); - - lib9p_error(&ctx->basectx, LIB9P_ERRNO_L_EROFS, "read-only part of filesystem"); - return 0; -} |