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astfd: Adds a timestamp for each entry.

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Now with menuselect "DEBUG_FD_LEAKS" and CLI "core show fd", a timestamp is
shown with each file descriptor. This helps to debug leaked UDP/TCP ports on
long-lived servers, for example.

ASTERISK-25405 #close

Change-Id: I968339e5155a512eba1032a5263f1ec8b5e1f80b
This commit is contained in:
Alexander Traud
2015-09-19 19:49:46 +02:00
parent 93447c95c4
commit 9200ad03a3
1 changed files with 11 additions and 2 deletions
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13
main/astfd.c
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@@ -46,6 +46,8 @@ ASTERISK_REGISTER_FILE()
#include "asterisk/lock.h"
#include "asterisk/strings.h"
#include "asterisk/unaligned.h"
#include "asterisk/localtime.h"
#include "asterisk/time.h"
static struct fdleaks {
const char *callname;
@@ -54,6 +56,7 @@ static struct fdleaks {
char file[40];
char function[25];
char callargs[60];
struct timeval now;
} fdleaks[1024] = { { "", }, };
/* COPY does ast_copy_string(dst, src, sizeof(dst)), except:
@@ -79,6 +82,7 @@ static struct fdleaks {
#define STORE_COMMON(offset, name, ...) \
do { \
struct fdleaks *tmp = &fdleaks[offset]; \
tmp->now = ast_tvnow(); \
COPY(tmp->file, file); \
tmp->line = line; \
COPY(tmp->function, func); \
@@ -271,7 +275,7 @@ static char *handle_show_fd(struct ast_cli_entry *e, int cmd, struct ast_cli_arg
case CLI_GENERATE:
return NULL;
}
getrlimit(RLIMIT_FSIZE, &rl);
getrlimit(RLIMIT_NOFILE, &rl);
if (rl.rlim_cur == RLIM_INFINITY || rl.rlim_max == RLIM_INFINITY) {
ast_copy_string(line, "unlimited", sizeof(line));
} else {
@@ -280,8 +284,13 @@ static char *handle_show_fd(struct ast_cli_entry *e, int cmd, struct ast_cli_arg
ast_cli(a->fd, "Current maxfiles: %s\n", line);
for (i = 0; i < ARRAY_LEN(fdleaks); i++) {
if (fdleaks[i].isopen) {
struct ast_tm tm = {0};
char datestring[256];
ast_localtime(&fdleaks[i].now, &tm, NULL);
ast_strftime(datestring, sizeof(datestring), "%F %T", &tm);
snprintf(line, sizeof(line), "%d", fdleaks[i].line);
ast_cli(a->fd, "%5d %15s:%-7.7s (%-25s): %s(%s)\n", i, fdleaks[i].file, line, fdleaks[i].function, fdleaks[i].callname, fdleaks[i].callargs);
ast_cli(a->fd, "%5d [%s] %22s:%-7.7s (%-25s): %s(%s)\n", i, datestring, fdleaks[i].file, line, fdleaks[i].function, fdleaks[i].callname, fdleaks[i].callargs);
}
}
return CLI_SUCCESS;