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-rw-r--r--cmd/srv9p/CMakeLists.txt2
-rw-r--r--cmd/srv9p/gnet.c33
-rw-r--r--cmd/srv9p/gnet.h8
-rw-r--r--cmd/srv9p/main.c30
-rw-r--r--cmd/srv9p/static9p.c156
-rw-r--r--cmd/srv9p/static9p.h10
6 files changed, 122 insertions, 117 deletions
diff --git a/cmd/srv9p/CMakeLists.txt b/cmd/srv9p/CMakeLists.txt
index 61bd5c2..52e5171 100644
--- a/cmd/srv9p/CMakeLists.txt
+++ b/cmd/srv9p/CMakeLists.txt
@@ -18,7 +18,7 @@ target_include_directories(srv9p PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/config)
target_link_libraries(srv9p
libcr
libcr_ipc
- libnet
+ libmisc
lib9p
)
diff --git a/cmd/srv9p/gnet.c b/cmd/srv9p/gnet.c
index 92e74c7..d7e8717 100644
--- a/cmd/srv9p/gnet.c
+++ b/cmd/srv9p/gnet.c
@@ -1,4 +1,4 @@
-/* srv9p/gnet.c - libnet implementation for libcr + GNU libc
+/* srv9p/gnet.c - libmisc/net.h implementation for libcr + GNU libc
*
* Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com>
* SPDX-Licence-Identifier: AGPL-3.0-or-later
@@ -20,6 +20,7 @@
#include <signal.h> /* for siginfo_t, struct sigaction, enum sigval, sigaction(), SIGRTMIN, SIGRTMAX, SA_SIGINFO */
#include <libcr/coroutine.h>
+#include <libmisc/vcall.h>
#include "gnet.h"
@@ -71,16 +72,16 @@ static inline bool RUN_PTHREAD(void *(*fn)(void *), void *args) {
/* init() ( AKA socket(3) + listen(3) )****************************************/
-static struct libnet_conn *gnet_accept(struct libnet_listener *_listener);
-static ssize_t gnet_read(struct libnet_conn *conn, void *buf, size_t count);
-static ssize_t gnet_write(struct libnet_conn *conn, void *buf, size_t count);
-static int gnet_close(struct libnet_conn *conn, bool rd, bool wr);
+static implements_net_conn *gnet_accept(implements_net_listener *_listener);
+static ssize_t gnet_read(implements_net_conn *conn, void *buf, size_t count);
+static ssize_t gnet_write(implements_net_conn *conn, void *buf, size_t count);
+static int gnet_close(implements_net_conn *conn, bool rd, bool wr);
-static struct libnet_listener_vtable gnet_listener_vtable = {
+static struct net_listener_vtable gnet_listener_vtable = {
.accept = gnet_accept,
};
-static struct libnet_conn_vtable gnet_conn_vtable = {
+static struct net_conn_vtable gnet_conn_vtable = {
.read = gnet_read,
.write = gnet_write,
.close = gnet_close,
@@ -131,8 +132,8 @@ static void *_pthread_accept(void *_args) {
return NULL;
};
-static struct libnet_conn *gnet_accept(struct libnet_listener *_listener) {
- struct gnet_listener *listener = (struct gnet_listener *)_listener;
+static implements_net_conn *gnet_accept(implements_net_listener *_listener) {
+ struct gnet_listener *listener = VCALL_SELF(struct gnet_listener, implements_net_listener, _listener);
assert(listener);
int ret_connfd;
@@ -147,7 +148,7 @@ static struct libnet_conn *gnet_accept(struct libnet_listener *_listener) {
listener->active_conn.vtable = &gnet_conn_vtable;
listener->active_conn.fd = ret_connfd;
- return (struct libnet_conn *)&listener->active_conn;
+ return &listener->active_conn;
}
/* read() *********************************************************************/
@@ -172,8 +173,8 @@ static void *_pthread_read(void *_args) {
return NULL;
};
-static ssize_t gnet_read(struct libnet_conn *_conn, void *buf, size_t count) {
- struct _gnet_conn *conn = (struct _gnet_conn *)_conn;
+static ssize_t gnet_read(implements_net_conn *_conn, void *buf, size_t count) {
+ struct _gnet_conn *conn = VCALL_SELF(struct _gnet_conn, implements_net_conn, _conn);
assert(conn);
ssize_t ret;
@@ -222,8 +223,8 @@ static void *_pthread_write(void *_args) {
return NULL;
};
-static ssize_t gnet_write(struct libnet_conn *_conn, void *buf, size_t count) {
- struct _gnet_conn *conn = (struct _gnet_conn *)_conn;
+static ssize_t gnet_write(implements_net_conn *_conn, void *buf, size_t count) {
+ struct _gnet_conn *conn = VCALL_SELF(struct _gnet_conn, implements_net_conn, _conn);
assert(conn);
ssize_t ret;
@@ -244,8 +245,8 @@ static ssize_t gnet_write(struct libnet_conn *_conn, void *buf, size_t count) {
/* close() ********************************************************************/
-static int gnet_close(struct libnet_conn *_conn, bool rd, bool wr) {
- struct _gnet_conn *conn = (struct _gnet_conn *)_conn;
+static int gnet_close(implements_net_conn *_conn, bool rd, bool wr) {
+ struct _gnet_conn *conn = VCALL_SELF(struct _gnet_conn, implements_net_conn, _conn);
assert(conn);
int how;
diff --git a/cmd/srv9p/gnet.h b/cmd/srv9p/gnet.h
index d43874f..01f2d40 100644
--- a/cmd/srv9p/gnet.h
+++ b/cmd/srv9p/gnet.h
@@ -1,4 +1,4 @@
-/* srv9p/gnet.h - libnet implementation for libcr + GNU libc
+/* srv9p/gnet.h - libmisc/net.h implementation for libcr + GNU libc
*
* Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com>
* SPDX-Licence-Identifier: AGPL-3.0-or-later
@@ -9,16 +9,16 @@
#include <stdint.h> /* for uint16_6 */
-#include <libnet/libnet.h>
+#include <libmisc/net.h>
struct _gnet_conn {
- struct libnet_conn_vtable *vtable;
+ implements_net_conn;
int fd;
};
struct gnet_listener {
- struct libnet_listener_vtable *vtable;
+ implements_net_listener;
int fd;
struct _gnet_conn active_conn;
diff --git a/cmd/srv9p/main.c b/cmd/srv9p/main.c
index ae0e34e..d83fac4 100644
--- a/cmd/srv9p/main.c
+++ b/cmd/srv9p/main.c
@@ -8,7 +8,7 @@
#include <stdio.h>
#include <libcr/coroutine.h>
-#include <libnet/libnet.h>
+#include <libmisc/net.h>
#include <lib9p/srv.h>
#include "static9p.h"
@@ -29,8 +29,8 @@
/* file tree ******************************************************************/
-#define FILE_METADATA(NAME) { \
- .header = { .vtable = &static_file_vtable }, \
+#define FILE_COMMON(NAME) { \
+ .vtable = &static_file_vtable, \
\
.u_name = "root", .u_num = 0, /* owner user */ \
.g_name = "root", .g_num = 0, /* owner group */ \
@@ -43,8 +43,8 @@
.mtime = 1728337904, \
}
-#define DIR_METADATA(NAME) { \
- .header = { .vtable = &static_dir_vtable }, \
+#define DIR_COMMON(NAME) { \
+ .vtable = &static_dir_vtable, \
\
.u_name = "root", .u_num = 0, /* owner user */ \
.g_name = "root", .g_num = 0, /* owner group */ \
@@ -59,28 +59,28 @@
#define STATIC_FILE(STRNAME, SYMNAME) \
&((static struct static_file){ \
- .metadata = FILE_METADATA(STRNAME), \
- .data_start = _binary_static_##SYMNAME##_start, \
- .data_end = _binary_static_##SYMNAME##_end, \
- }).metadata.header
+ ._static_common = FILE_COMMON(STRNAME), \
+ .data_start = _binary_static_##SYMNAME##_start, \
+ .data_end = _binary_static_##SYMNAME##_end, \
+ })
static struct static_dir root = {
- .metadata = DIR_METADATA(""),
+ ._static_common = DIR_COMMON(""),
.members = {
&((static struct static_dir){
- .metadata = DIR_METADATA("Documentation"),
+ ._static_common = DIR_COMMON("Documentation"),
.members = {
STATIC_FILE("x", Documentation_x),
NULL
},
- }).metadata.header,
+ }),
STATIC_FILE("README.md", README_md),
NULL,
},
};
-static struct lib9p_srv_file *get_root(struct lib9p_srv_ctx *UNUSED(ctx), char *UNUSED(treename)) {
- return &root.metadata.header;
+static implements_lib9p_srv_file *get_root(struct lib9p_srv_ctx *UNUSED(ctx), char *UNUSED(treename)) {
+ return &root;
}
/* main ***********************************************************************/
@@ -94,7 +94,7 @@ static COROUTINE read_cr(void *_srv) {
struct gnet_listener listener;
gnet_listener_init(&listener, 9000);
- lib9p_srv_read_cr(srv, (struct libnet_listener *)&listener);
+ lib9p_srv_read_cr(srv, &listener);
cr_end();
}
diff --git a/cmd/srv9p/static9p.c b/cmd/srv9p/static9p.c
index f508ff1..47c07be 100644
--- a/cmd/srv9p/static9p.c
+++ b/cmd/srv9p/static9p.c
@@ -6,61 +6,63 @@
#include <assert.h>
+#include <libmisc/vcall.h>
+
#include "static9p.h"
#define UNUSED(name) /* name __attribute__((unused)) */
#define p9_str(cstr) ((struct lib9p_s){ .len = strlen(cstr), .utf8 = cstr })
#define p9_nulstr ((struct lib9p_s){ .len = 0, .utf8 = NULL })
-/* common metadata ************************************************************/
+/* common *********************************************************************/
-static struct lib9p_srv_file *static_metadata_clone(struct lib9p_srv_ctx *ctx, struct lib9p_srv_file *_file) {
+static implements_lib9p_srv_file *static_common_clone(implements_lib9p_srv_file *_self, struct lib9p_srv_ctx *ctx) {
+ _static_common *self = VCALL_SELF(_static_common, implements_lib9p_srv_file, _self);
+ assert(self);
assert(ctx);
- struct static_metadata *file = (struct static_metadata *)_file;
- assert(file);
- return &file->header;
+ return self;
}
-static void static_metadata_free(struct lib9p_srv_ctx *ctx, struct lib9p_srv_file *_file) {
+static void static_common_free(implements_lib9p_srv_file *_self, struct lib9p_srv_ctx *ctx) {
+ _static_common *self = VCALL_SELF(_static_common, implements_lib9p_srv_file, _self);
+ assert(self);
assert(ctx);
- struct static_metadata *file = (struct static_metadata *)_file;
- assert(file);
/* do nothing */
}
-static uint32_t static_metadata_io(struct lib9p_srv_ctx *ctx, struct lib9p_srv_file *_file, lib9p_o_t UNUSED(flags)) {
+static uint32_t static_common_io(implements_lib9p_srv_file *_self, struct lib9p_srv_ctx *ctx, lib9p_o_t UNUSED(flags)) {
+ _static_common *self = VCALL_SELF(_static_common, implements_lib9p_srv_file, _self);
+ assert(self);
assert(ctx);
- struct static_metadata *file = (struct static_metadata *)_file;
- assert(file);
return 0;
}
-static void static_metadata_wstat(struct lib9p_srv_ctx *ctx, struct lib9p_srv_file *_file,
+static void static_common_wstat(implements_lib9p_srv_file *_self, struct lib9p_srv_ctx *ctx,
struct lib9p_stat UNUSED(new)) {
+ _static_common *self = VCALL_SELF(_static_common, implements_lib9p_srv_file, _self);
+ assert(self);
assert(ctx);
- struct static_metadata *file = (struct static_metadata *)_file;
- assert(file);
lib9p_error(&ctx->basectx, LINUX_EROFS, "read-only part of filesystem");
}
-static void static_metadata_remove(struct lib9p_srv_ctx *ctx, struct lib9p_srv_file *_file) {
+static void static_common_remove(implements_lib9p_srv_file *_self, struct lib9p_srv_ctx *ctx) {
+ _static_common *self = VCALL_SELF(_static_common, implements_lib9p_srv_file, _self);
+ assert(self);
assert(ctx);
- struct static_metadata *file = (struct static_metadata *)_file;
- assert(file);
lib9p_error(&ctx->basectx, LINUX_EROFS, "read-only part of filesystem");
}
/* dir ************************************************************************/
-static struct lib9p_stat static_dir_stat(struct lib9p_srv_ctx *ctx, struct lib9p_srv_file *_file) {
+static struct lib9p_stat static_dir_stat(implements_lib9p_srv_file *_self, struct lib9p_srv_ctx *ctx) {
+ struct static_dir *self = VCALL_SELF(struct static_dir, implements_lib9p_srv_file, _self);
+ assert(self);
assert(ctx);
- struct static_dir *file = (struct static_dir *)_file;
- assert(file);
return (struct lib9p_stat){
.kern_type = 0,
@@ -68,32 +70,32 @@ static struct lib9p_stat static_dir_stat(struct lib9p_srv_ctx *ctx, struct lib9p
.file_qid = {
.type = LIB9P_QT_DIR,
.vers = 1,
- .path = file->metadata.pathnum,
+ .path = self->pathnum,
},
- .file_mode = LIB9P_DM_DIR | (file->metadata.perm & 0555),
- .file_atime = file->metadata.atime,
- .file_mtime = file->metadata.mtime,
+ .file_mode = LIB9P_DM_DIR | (self->perm & 0555),
+ .file_atime = self->atime,
+ .file_mtime = self->mtime,
.file_size = 0,
- .file_name = p9_str(file->metadata.name),
- .file_owner_uid = p9_str(file->metadata.u_name),
- .file_owner_gid = p9_str(file->metadata.g_name),
- .file_last_modified_uid = p9_str(file->metadata.m_name),
+ .file_name = p9_str(self->name),
+ .file_owner_uid = p9_str(self->u_name),
+ .file_owner_gid = p9_str(self->g_name),
+ .file_last_modified_uid = p9_str(self->m_name),
.file_extension = p9_nulstr,
- .file_owner_n_uid = file->metadata.u_num,
- .file_owner_n_gid = file->metadata.g_num,
- .file_last_modified_n_uid = file->metadata.m_num,
+ .file_owner_n_uid = self->u_num,
+ .file_owner_n_gid = self->g_num,
+ .file_last_modified_n_uid = self->m_num,
};
}
-static struct lib9p_srv_file *static_dir_dopen(struct lib9p_srv_ctx *ctx, struct lib9p_srv_file *_dir,
+static implements_lib9p_srv_file *static_dir_dopen(implements_lib9p_srv_file *_self, struct lib9p_srv_ctx *ctx,
char *childname) {
+ struct static_dir *self = VCALL_SELF(struct static_dir, implements_lib9p_srv_file, _self);
+ assert(self);
assert(ctx);
- struct static_dir *dir = (struct static_dir *)_dir;
- assert(dir);
- for (size_t i = 0; dir->members[i]; i++) {
- struct lib9p_srv_file *filep = dir->members[i];
- struct lib9p_stat stat = filep->vtable->stat(ctx, filep);
+ for (size_t i = 0; self->members[i]; i++) {
+ implements_lib9p_srv_file *filep = self->members[i];
+ struct lib9p_stat stat = VCALL(filep, stat, ctx);
if (lib9p_ctx_has_error(&ctx->basectx))
break;
lib9p_assert_stat(stat);
@@ -105,30 +107,30 @@ static struct lib9p_srv_file *static_dir_dopen(struct lib9p_srv_ctx *ctx, struct
return NULL;
}
-static struct lib9p_srv_file *static_dir_dcreate(struct lib9p_srv_ctx *ctx, struct lib9p_srv_file *_dir,
+static implements_lib9p_srv_file *static_dir_dcreate(implements_lib9p_srv_file *_self, struct lib9p_srv_ctx *ctx,
char *UNUSED(childname),
lib9p_dm_t UNUSED(perm), lib9p_o_t UNUSED(flags)) {
+ struct static_dir *self = VCALL_SELF(struct static_dir, implements_lib9p_srv_file, _self);
+ assert(self);
assert(ctx);
- struct static_dir *dir = (struct static_dir *)_dir;
- assert(dir);
lib9p_error(&ctx->basectx, LINUX_EROFS, "read-only part of filesystem");
return NULL;
}
-static size_t static_dir_dread(struct lib9p_srv_ctx *ctx, struct lib9p_srv_file *_dir,
+static size_t static_dir_dread(implements_lib9p_srv_file *_self, struct lib9p_srv_ctx *ctx,
uint8_t *buf,
uint32_t byte_count,
size_t _obj_offset) {
+ struct static_dir *self = VCALL_SELF(struct static_dir, implements_lib9p_srv_file, _self);
+ assert(self);
assert(ctx);
- struct static_dir *dir = (struct static_dir *)_dir;
- assert(dir);
uint32_t byte_offset = 0;
size_t obj_offset = _obj_offset;
- while (dir->members[obj_offset]) {
- struct lib9p_srv_file *filep = dir->members[obj_offset];
- struct lib9p_stat stat = filep->vtable->stat(ctx, filep);
+ while (self->members[obj_offset]) {
+ implements_lib9p_srv_file *filep = self->members[obj_offset];
+ struct lib9p_stat stat = VCALL(filep, stat, ctx);
if (lib9p_ctx_has_error(&ctx->basectx))
break;
lib9p_assert_stat(stat);
@@ -147,13 +149,13 @@ static size_t static_dir_dread(struct lib9p_srv_ctx *ctx, struct lib9p_srv_file
}
struct lib9p_srv_file_vtable static_dir_vtable = {
- .clone = static_metadata_clone,
- .free = static_metadata_free,
+ .clone = static_common_clone,
+ .free = static_common_free,
- .io = static_metadata_io,
+ .io = static_common_io,
.stat = static_dir_stat,
- .wstat = static_metadata_wstat,
- .remove = static_metadata_remove,
+ .wstat = static_common_wstat,
+ .remove = static_common_remove,
.dopen = static_dir_dopen,
.dcreate = static_dir_dcreate,
@@ -166,16 +168,18 @@ struct lib9p_srv_file_vtable static_dir_vtable = {
static inline size_t static_file_size(struct static_file *file) {
assert(file);
+#if __x86_64__
assert(file->data_start);
+#endif
if (!file->data_end)
return file->data_size;
return (size_t)((uintptr_t)file->data_end - (uintptr_t)file->data_start);
}
-static struct lib9p_stat static_file_stat(struct lib9p_srv_ctx *ctx, struct lib9p_srv_file *_file) {
+static struct lib9p_stat static_file_stat(implements_lib9p_srv_file *_self, struct lib9p_srv_ctx *ctx) {
+ struct static_file *self = VCALL_SELF(struct static_file, implements_lib9p_srv_file, _self);
+ assert(self);
assert(ctx);
- struct static_file *file = (struct static_file *)_file;
- assert(file);
return (struct lib9p_stat){
.kern_type = 0,
@@ -183,32 +187,32 @@ static struct lib9p_stat static_file_stat(struct lib9p_srv_ctx *ctx, struct lib9
.file_qid = {
.type = LIB9P_QT_FILE,
.vers = 1,
- .path = file->metadata.pathnum,
+ .path = self->pathnum,
},
- .file_mode = file->metadata.perm & 0444,
- .file_atime = file->metadata.atime,
- .file_mtime = file->metadata.mtime,
- .file_size = (uint64_t)static_file_size(file),
- .file_name = p9_str(file->metadata.name),
- .file_owner_uid = p9_str(file->metadata.u_name),
- .file_owner_gid = p9_str(file->metadata.g_name),
- .file_last_modified_uid = p9_str(file->metadata.m_name),
+ .file_mode = self->perm & 0444,
+ .file_atime = self->atime,
+ .file_mtime = self->mtime,
+ .file_size = (uint64_t)static_file_size(self),
+ .file_name = p9_str(self->name),
+ .file_owner_uid = p9_str(self->u_name),
+ .file_owner_gid = p9_str(self->g_name),
+ .file_last_modified_uid = p9_str(self->m_name),
.file_extension = p9_nulstr,
- .file_owner_n_uid = file->metadata.u_num,
- .file_owner_n_gid = file->metadata.g_num,
- .file_last_modified_n_uid = file->metadata.m_num,
+ .file_owner_n_uid = self->u_num,
+ .file_owner_n_gid = self->g_num,
+ .file_last_modified_n_uid = self->m_num,
};
}
-static uint32_t static_file_pread(struct lib9p_srv_ctx *ctx, struct lib9p_srv_file *_file,
+static uint32_t static_file_pread(implements_lib9p_srv_file *_self, struct lib9p_srv_ctx *ctx,
void *buf,
uint32_t byte_count,
uint64_t byte_offset) {
+ struct static_file *self = VCALL_SELF(struct static_file, implements_lib9p_srv_file, _self);
+ assert(self);
assert(ctx);
- struct static_file *file = (struct static_file *)_file;
- assert(file);
- size_t data_size = static_file_size(file);
+ size_t data_size = static_file_size(self);
if (byte_offset > (uint64_t)data_size) {
lib9p_error(&ctx->basectx,
@@ -220,18 +224,18 @@ static uint32_t static_file_pread(struct lib9p_srv_ctx *ctx, struct lib9p_srv_fi
size_t end_off = beg_off + (size_t)byte_count;
if (end_off > data_size)
end_off = data_size;
- memcpy(buf, &file->data_start[beg_off], end_off-beg_off);
+ memcpy(buf, &self->data_start[beg_off], end_off-beg_off);
return (uint32_t)(end_off-beg_off);
}
struct lib9p_srv_file_vtable static_file_vtable = {
- .clone = static_metadata_clone,
- .free = static_metadata_free,
+ .clone = static_common_clone,
+ .free = static_common_free,
- .io = static_metadata_io,
+ .io = static_common_io,
.stat = static_file_stat,
- .wstat = static_metadata_wstat,
- .remove = static_metadata_remove,
+ .wstat = static_common_wstat,
+ .remove = static_common_remove,
.pread = static_file_pread,
.pwrite = NULL,
diff --git a/cmd/srv9p/static9p.h b/cmd/srv9p/static9p.h
index 92f5909..98b85a2 100644
--- a/cmd/srv9p/static9p.h
+++ b/cmd/srv9p/static9p.h
@@ -9,8 +9,8 @@
#include <lib9p/srv.h>
-struct static_metadata {
- struct lib9p_srv_file header;
+typedef struct {
+ implements_lib9p_srv_file;
char *u_name;
uint32_t u_num;
@@ -23,10 +23,10 @@ struct static_metadata {
char *name;
lib9p_dm_t perm;
uint32_t atime, mtime;
-};
+} _static_common;
struct static_dir {
- struct static_metadata metadata;
+ _static_common;
/* NULL-terminated */
struct lib9p_srv_file *members[];
@@ -34,7 +34,7 @@ struct static_dir {
struct static_file {
- struct static_metadata metadata;
+ _static_common;
char *data_start; /* must not be NULL */
char *data_end; /* may be NULL, in which case data_size is used */