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Diffstat (limited to 'res/res_limit.c')
-rw-r--r--res/res_limit.c159
1 files changed, 94 insertions, 65 deletions
diff --git a/res/res_limit.c b/res/res_limit.c
index ca2211836..fcaf03b86 100644
--- a/res/res_limit.c
+++ b/res/res_limit.c
@@ -49,21 +49,21 @@ static struct limits {
char limit[3];
char desc[40];
} limits[] = {
- { RLIMIT_CPU, "-t", "cpu time" },
- { RLIMIT_FSIZE, "-f", "file size" },
- { RLIMIT_DATA, "-d", "program data segment" },
- { RLIMIT_STACK, "-s", "program stack size" },
- { RLIMIT_CORE, "-c", "core file size" },
+ { RLIMIT_CPU, "-t", "cpu time" },
+ { RLIMIT_FSIZE, "-f", "file size" },
+ { RLIMIT_DATA, "-d", "program data segment" },
+ { RLIMIT_STACK, "-s", "program stack size" },
+ { RLIMIT_CORE, "-c", "core file size" },
#ifdef RLIMIT_RSS
- { RLIMIT_RSS, "-m", "resident memory" },
+ { RLIMIT_RSS, "-m", "resident memory" },
{ RLIMIT_MEMLOCK, "-l", "amount of memory locked into RAM" },
#endif
#ifdef RLIMIT_NPROC
- { RLIMIT_NPROC, "-u", "number of processes" },
+ { RLIMIT_NPROC, "-u", "number of processes" },
#endif
- { RLIMIT_NOFILE, "-n", "number of file descriptors" },
+ { RLIMIT_NOFILE, "-n", "number of file descriptors" },
#ifdef VMEM_DEF
- { VMEM_DEF, "-v", "virtual memory" },
+ { VMEM_DEF, "-v", "virtual memory" },
#endif
};
@@ -87,43 +87,105 @@ static const char *str2desc(const char *string)
return "<unknown>";
}
-static int my_ulimit(int fd, int argc, char **argv)
+static char *complete_ulimit(struct ast_cli_args *a)
+{
+ int which = 0, i;
+ int wordlen = strlen(a->word);
+
+ if (a->pos > 1)
+ return NULL;
+ for (i = 0; i < sizeof(limits) / sizeof(limits[0]); i++) {
+ if (!strncasecmp(limits[i].limit, a->word, wordlen)) {
+ if (++which > a->n)
+ return ast_strdup(limits[i].limit);
+ }
+ }
+ return NULL;
+}
+
+static char *handle_cli_ulimit(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
int resource;
struct rlimit rlimit = { 0, 0 };
- if (argc > 3)
- return RESULT_SHOWUSAGE;
- if (argc == 1) {
+ switch (cmd) {
+ case CLI_INIT:
+ e->command = "ulimit";
+ e->usage =
+ "Usage: ulimit {-d|"
+#ifdef RLIMIT_RSS
+ "-l|"
+#endif
+ "-f|"
+#ifdef RLIMIT_RSS
+ "-m|"
+#endif
+ "-s|-t|"
+#ifdef RLIMIT_NPROC
+ "-u|"
+#endif
+#ifdef VMEM_DEF
+ "-v|"
+#endif
+ "-c|-n} [<num>]\n"
+ " Shows or sets the corresponding resource limit.\n"
+ " -d Process data segment [readonly]\n"
+#ifdef RLIMIT_RSS
+ " -l Memory lock size [readonly]\n"
+#endif
+ " -f File size\n"
+#ifdef RLIMIT_RSS
+ " -m Process resident memory [readonly]\n"
+#endif
+ " -s Process stack size [readonly]\n"
+ " -t CPU usage [readonly]\n"
+#ifdef RLIMIT_NPROC
+ " -u Child processes\n"
+#endif
+#ifdef VMEM_DEF
+ " -v Process virtual memory [readonly]\n"
+#endif
+ " -c Core dump file size\n"
+ " -n Number of file descriptors\n";
+ return NULL;
+ case CLI_GENERATE:
+ return complete_ulimit(a);
+ }
+
+ if (a->argc > 3)
+ return CLI_SHOWUSAGE;
+
+ if (a->argc == 1) {
char arg2[3];
char *newargv[2] = { "ulimit", arg2 };
for (resource = 0; resource < sizeof(limits) / sizeof(limits[0]); resource++) {
+ struct ast_cli_args newArgs = { .argv = newargv, .argc = 2 };
ast_copy_string(arg2, limits[resource].limit, sizeof(arg2));
- my_ulimit(fd, 2, newargv);
+ handle_cli_ulimit(e, CLI_HANDLER, &newArgs);
}
- return RESULT_SUCCESS;
+ return CLI_SUCCESS;
} else {
- resource = str2limit(argv[1]);
+ resource = str2limit(a->argv[1]);
if (resource == -1) {
- ast_cli(fd, "Unknown resource\n");
- return RESULT_FAILURE;
+ ast_cli(a->fd, "Unknown resource\n");
+ return CLI_FAILURE;
}
- if (argc == 3) {
+ if (a->argc == 3) {
int x;
#ifdef RLIMIT_NPROC
if (resource != RLIMIT_NOFILE && resource != RLIMIT_CORE && resource != RLIMIT_NPROC && resource != RLIMIT_FSIZE) {
#else
- if (resource != RLIMIT_NOFILE && resource != RLIMIT_CORE && resource != RLIMIT_FSIZE) {
+ if (resource != RLIMIT_NOFILE && resource != RLIMIT_CORE && resource != RLIMIT_FSIZE) {
#endif
- ast_cli(fd, "Resource not permitted to be set\n");
- return RESULT_FAILURE;
+ ast_cli(a->fd, "Resource not permitted to be set\n");
+ return CLI_FAILURE;
}
- sscanf(argv[2], "%d", &x);
+ sscanf(a->argv[2], "%d", &x);
rlimit.rlim_max = rlimit.rlim_cur = x;
setrlimit(resource, &rlimit);
- return RESULT_SUCCESS;
+ return CLI_SUCCESS;
} else {
if (!getrlimit(resource, &rlimit)) {
char printlimit[32];
@@ -131,51 +193,18 @@ static int my_ulimit(int fd, int argc, char **argv)
if (rlimit.rlim_max == RLIM_INFINITY)
ast_copy_string(printlimit, "effectively unlimited", sizeof(printlimit));
else
- snprintf(printlimit, sizeof(printlimit), "limited to %d", (int)rlimit.rlim_cur);
- desc = str2desc(argv[1]);
- ast_cli(fd, "%c%s (%s) is %s.\n", toupper(desc[0]), desc + 1, argv[1], printlimit);
+ snprintf(printlimit, sizeof(printlimit), "limited to %d", (int) rlimit.rlim_cur);
+ desc = str2desc(a->argv[1]);
+ ast_cli(a->fd, "%c%s (%s) is %s.\n", toupper(desc[0]), desc + 1, a->argv[1], printlimit);
} else
- ast_cli(fd, "Could not retrieve resource limits for %s: %s\n", str2desc(argv[1]), strerror(errno));
- return RESULT_SUCCESS;
- }
- }
-}
-
-static char *complete_ulimit(const char *line, const char *word, int pos, int state)
-{
- int which = 0, i;
- int wordlen = strlen(word);
-
- if (pos > 2)
- return NULL;
- for (i = 0; i < sizeof(limits) / sizeof(limits[0]); i++) {
- if (!strncasecmp(limits[i].limit, word, wordlen)) {
- if (++which > state)
- return ast_strdup(limits[i].limit);
+ ast_cli(a->fd, "Could not retrieve resource limits for %s: %s\n", str2desc(a->argv[1]), strerror(errno));
+ return CLI_SUCCESS;
}
}
- return NULL;
}
-static const char ulimit_usage[] =
-"Usage: ulimit {-d|-l|-f|-m|-s|-t|-u|-v|-c|-n} [<num>]\n"
-" Shows or sets the corresponding resource limit.\n"
-" -d Process data segment [readonly]\n"
-" -l Memory lock size [readonly]\n"
-" -f File size\n"
-" -m Process resident memory [readonly]\n"
-" -s Process stack size [readonly]\n"
-" -t CPU usage [readonly]\n"
-" -u Child processes\n"
-#ifdef VMEM_DEF
-" -v Process virtual memory [readonly]\n"
-#endif
-" -c Core dump file size\n"
-" -n Number of file descriptors\n";
-
-static struct ast_cli_entry cli_ulimit = {
- { "ulimit", NULL }, my_ulimit,
- "Set or show process resource limits", ulimit_usage, complete_ulimit };
+static struct ast_cli_entry cli_ulimit =
+ NEW_CLI(handle_cli_ulimit, "Set or show process resource limits");
static int unload_module(void)
{
@@ -184,7 +213,7 @@ static int unload_module(void)
static int load_module(void)
{
- return ast_cli_register(&cli_ulimit)? AST_MODULE_LOAD_FAILURE: AST_MODULE_LOAD_SUCCESS;
+ return ast_cli_register(&cli_ulimit) ? AST_MODULE_LOAD_FAILURE : AST_MODULE_LOAD_SUCCESS;
}
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Resource limits");
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-11 07:42:57 +0000