[svn-commits] tilghman: branch 1.4 r187301 - /branches/1.4/main/astfd.c
SVN commits to the Digium repositories
svn-commits at lists.digium.com
Wed Apr 8 23:32:44 CDT 2009
Author: tilghman
Date: Wed Apr 8 23:32:40 2009
New Revision: 187301
URL: http://svn.digium.com/svn-view/asterisk?view=rev&rev=187301
Log:
Oops, missed this file in the last commit.
Added:
branches/1.4/main/astfd.c (with props)
Added: branches/1.4/main/astfd.c
URL: http://svn.digium.com/svn-view/asterisk/branches/1.4/main/astfd.c?view=auto&rev=187301
==============================================================================
--- branches/1.4/main/astfd.c (added)
+++ branches/1.4/main/astfd.c Wed Apr 8 23:32:40 2009
@@ -1,0 +1,266 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2009, Digium, Inc.
+ *
+ * Tilghman Lesher <tlesher at digium.com>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+/*! \file
+ *
+ * \brief Debugging routines for file descriptor leaks
+ *
+ * \author Tilghman Lesher <tlesher at digium.com>
+ */
+
+#include "asterisk.h"
+
+#ifdef DEBUG_FD_LEAKS
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include <stdio.h>
+#include <string.h>
+#include <stddef.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+
+#include "asterisk/cli.h"
+#include "asterisk/logger.h"
+#include "asterisk/options.h"
+#include "asterisk/lock.h"
+#include "asterisk/strings.h"
+#include "asterisk/unaligned.h"
+
+static struct fdleaks {
+ char file[40];
+ int line;
+ char function[25];
+ char callname[10];
+ char callargs[60];
+ unsigned int isopen:1;
+} fdleaks[1024] = { { "", }, };
+
+#define COPY(dst, src) \
+ do { \
+ int dlen = sizeof(dst), slen = strlen(src); \
+ if (slen + 1 > dlen) { \
+ char *slash = strrchr(src, '/'); \
+ if (slash) { \
+ ast_copy_string(dst, slash + 1, dlen); \
+ } else { \
+ ast_copy_string(dst, src + slen - dlen + 1, dlen); \
+ } \
+ } else { \
+ ast_copy_string(dst, src, dlen); \
+ } \
+ } while (0)
+
+#define STORE_COMMON(offset, name, ...) \
+ COPY(fdleaks[offset].file, file); \
+ fdleaks[offset].line = line; \
+ COPY(fdleaks[offset].function, func); \
+ strcpy(fdleaks[offset].callname, name); \
+ snprintf(fdleaks[offset].callargs, sizeof(fdleaks[offset].callargs), __VA_ARGS__); \
+ fdleaks[offset].isopen = 1;
+
+#undef open
+int __ast_fdleak_open(const char *file, int line, const char *func, const char *path, int flags, ...)
+{
+ int res;
+ va_list ap;
+ int mode;
+
+ if (flags & O_CREAT) {
+ va_start(ap, flags);
+ mode = va_arg(ap, int);
+ va_end(ap);
+ res = open(path, flags, mode);
+ if (res > -1 && res < (sizeof(fdleaks) / sizeof(fdleaks[0]))) {
+ char sflags[80];
+ snprintf(sflags, sizeof(sflags), "O_CREAT%s%s%s%s%s%s%s%s",
+ flags & O_APPEND ? "|O_APPEND" : "",
+ flags & O_EXCL ? "|O_EXCL" : "",
+ flags & O_NONBLOCK ? "|O_NONBLOCK" : "",
+ flags & O_TRUNC ? "|O_TRUNC" : "",
+ flags & O_RDWR ? "|O_RDWR" : "",
+ flags & O_RDONLY ? "|O_RDONLY" : "",
+ flags & O_WRONLY ? "|O_WRONLY" : "",
+ "");
+ flags |= ~(O_CREAT | O_APPEND | O_EXCL | O_NONBLOCK | O_TRUNC | O_RDWR | O_RDONLY | O_WRONLY);
+ if (flags) {
+ STORE_COMMON(res, "open", "\"%s\",%s|%d,%04o", path, sflags, flags, mode);
+ } else {
+ STORE_COMMON(res, "open", "\"%s\",%s,%04o", path, sflags, mode);
+ }
+ }
+ } else {
+ res = open(path, flags);
+ if (res > -1 && res < (sizeof(fdleaks) / sizeof(fdleaks[0]))) {
+ STORE_COMMON(res, "open", "\"%s\",%d", path, flags);
+ }
+ }
+ return res;
+}
+
+#undef pipe
+int __ast_fdleak_pipe(int *fds, const char *file, int line, const char *func)
+{
+ int i, res = pipe(fds);
+ if (res) {
+ return res;
+ }
+ for (i = 0; i < 2; i++) {
+ STORE_COMMON(fds[i], "pipe", "{%d,%d}", fds[0], fds[1]);
+ }
+ return 0;
+}
+
+#undef socket
+int __ast_fdleak_socket(int domain, int type, int protocol, const char *file, int line, const char *func)
+{
+ char sdomain[20], stype[20], *sproto;
+ struct protoent *pe;
+ int res = socket(domain, type, protocol);
+ if (res < 0 || res > 1023) {
+ return res;
+ }
+
+ pe = getprotobynumber(protocol);
+ sproto = pe->p_name;
+
+ if (domain == PF_UNIX) {
+ ast_copy_string(sdomain, "PF_UNIX", sizeof(sdomain));
+ } else if (domain == PF_INET) {
+ ast_copy_string(sdomain, "PF_INET", sizeof(sdomain));
+ } else {
+ snprintf(sdomain, sizeof(sdomain), "%d", domain);
+ }
+
+ if (type == SOCK_DGRAM) {
+ ast_copy_string(stype, "SOCK_DGRAM", sizeof(stype));
+ if (protocol == 0) {
+ sproto = "udp";
+ }
+ } else if (type == SOCK_STREAM) {
+ ast_copy_string(stype, "SOCK_STREAM", sizeof(stype));
+ if (protocol == 0) {
+ sproto = "tcp";
+ }
+ } else {
+ snprintf(stype, sizeof(stype), "%d", type);
+ }
+
+ STORE_COMMON(res, "socket", "%s,%s,\"%s\"", sdomain, stype, sproto);
+ return res;
+}
+
+#undef close
+int __ast_fdleak_close(int fd)
+{
+ int res = close(fd);
+ if (!res && fd > -1 && fd < 1024) {
+ fdleaks[fd].isopen = 0;
+ }
+ return res;
+}
+
+#undef fopen
+FILE *__ast_fdleak_fopen(const char *path, const char *mode, const char *file, int line, const char *func)
+{
+ FILE *res = fopen(path, mode);
+ int fd;
+ if (!res) {
+ return res;
+ }
+ fd = fileno(res);
+ STORE_COMMON(fd, "fopen", "\"%s\",\"%s\"", path, mode);
+ return res;
+}
+
+#undef fclose
+int __ast_fdleak_fclose(FILE *ptr)
+{
+ int fd, res;
+ if (!ptr) {
+ return fclose(ptr);
+ }
+
+ fd = fileno(ptr);
+ if ((res = fclose(ptr)) || fd < 0 || fd > 1023) {
+ return res;
+ }
+ fdleaks[fd].isopen = 0;
+ return res;
+}
+
+#undef dup2
+int __ast_fdleak_dup2(int oldfd, int newfd, const char *file, int line, const char *func)
+{
+ int res = dup2(oldfd, newfd);
+ if (res < 0 || res > 1023) {
+ return res;
+ }
+ STORE_COMMON(res, "dup2", "%d,%d", oldfd, newfd);
+ return res;
+}
+
+#undef dup
+int __ast_fdleak_dup(int oldfd, const char *file, int line, const char *func)
+{
+ int res = dup(oldfd);
+ if (res < 0 || res > 1023) {
+ return res;
+ }
+ STORE_COMMON(res, "dup2", "%d", oldfd);
+ return res;
+}
+
+static int handle_show_fd(int fd, int argc, char *argv[])
+{
+ int i;
+ char line[24];
+ struct rlimit rl;
+ getrlimit(RLIMIT_FSIZE, &rl);
+ if (rl.rlim_cur == RLIM_INFINITY || rl.rlim_max == RLIM_INFINITY) {
+ ast_copy_string(line, "unlimited", sizeof(line));
+ } else {
+ snprintf(line, sizeof(line), "%d/%d", (int) rl.rlim_cur, (int) rl.rlim_max);
+ }
+ ast_cli(fd, "Current maxfiles: %s\n", line);
+ for (i = 0; i < 1024; i++) {
+ if (fdleaks[i].isopen) {
+ snprintf(line, sizeof(line), "%d", fdleaks[i].line);
+ ast_cli(fd, "%5d %15s:%-7.7s (%-25s): %s(%s)\n", i, fdleaks[i].file, line, fdleaks[i].function, fdleaks[i].callname, fdleaks[i].callargs);
+ }
+ }
+ return RESULT_SUCCESS;
+}
+
+static struct ast_cli_entry cli_show_fd =
+ { { "core", "show", "fd", NULL },
+ handle_show_fd, "Show open file descriptors" };
+
+int ast_fd_init(void)
+{
+ return ast_cli_register(&cli_show_fd);
+}
+
+#else /* !defined(DEBUG_FD_LEAKS) */
+int ast_fd_init(void)
+{
+ return 0;
+}
+#endif /* defined(DEBUG_FD_LEAKS) */
+
Propchange: branches/1.4/main/astfd.c
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Propchange: branches/1.4/main/astfd.c
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Propchange: branches/1.4/main/astfd.c
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