X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Flog.c;h=7d1896c4a82a79a9cf3d94dfa2e6799aac01d262;hb=b8162e19cfc7b3ce25b72983c0df4de6e14cbafe;hp=5298652b6bab0936cdca92d9430a1d09514c8284;hpb=e45a1a34604973498c3fa509c44913b20fd1d9ec;p=framework%2Fconnectivity%2Fconnman.git diff --git a/src/log.c b/src/log.c index 5298652..7d1896c 100644 --- a/src/log.c +++ b/src/log.c @@ -2,7 +2,7 @@ * * Connection Manager * - * Copyright (C) 2007-2009 Intel Corporation. All rights reserved. + * Copyright (C) 2007-2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -23,11 +23,21 @@ #include #endif +#define _GNU_SOURCE +#include +#include #include +#include +#include #include +#include +#include #include "connman.h" +static const char *program_exec; +static const char *program_path; + /** * connman_info: * @format: format string @@ -100,35 +110,139 @@ void connman_debug(const char *format, ...) va_end(ap); } -extern struct connman_debug_desc __start___debug[]; -extern struct connman_debug_desc __stop___debug[]; - -void __connman_debug_list_available(DBusMessageIter *iter, void *user_data) +static void print_backtrace(unsigned int offset) { - struct connman_debug_desc *desc; + void *frames[99]; + size_t n_ptrs; + unsigned int i; + int outfd[2], infd[2]; + int pathlen; + pid_t pid; + + if (program_exec == NULL) + return; + + pathlen = strlen(program_path); + + n_ptrs = backtrace(frames, G_N_ELEMENTS(frames)); + if (n_ptrs < offset) + return; - for (desc = __start___debug; desc < __stop___debug; desc++) { - if ((desc->flags & CONNMAN_DEBUG_FLAG_ALIAS) && - desc->name != NULL) - dbus_message_iter_append_basic(iter, - DBUS_TYPE_STRING, &desc->name); + if (pipe(outfd) < 0) + return; + + if (pipe(infd) < 0) { + close(outfd[0]); + close(outfd[1]); + return; } -} -static gchar **enabled = NULL; + pid = fork(); + if (pid < 0) { + close(outfd[0]); + close(outfd[1]); + close(infd[0]); + close(infd[1]); + return; + } + + if (pid == 0) { + close(outfd[1]); + close(infd[0]); + + dup2(outfd[0], STDIN_FILENO); + dup2(infd[1], STDOUT_FILENO); + + execlp("addr2line", "-C", "-f", "-e", program_exec, NULL); + + exit(EXIT_FAILURE); + } + + close(outfd[0]); + close(infd[1]); + + connman_error("++++++++ backtrace ++++++++"); + + for (i = offset; i < n_ptrs - 1; i++) { + Dl_info info; + char addr[20], buf[PATH_MAX * 2]; + int len, written; + char *ptr, *pos; + + dladdr(frames[i], &info); + + len = snprintf(addr, sizeof(addr), "%p\n", frames[i]); + if (len < 0) + break; + + written = write(outfd[1], addr, len); + if (written < 0) + break; + + len = read(infd[0], buf, sizeof(buf)); + if (len < 0) + break; + + buf[len] = '\0'; + + pos = strchr(buf, '\n'); + *pos++ = '\0'; + + if (strcmp(buf, "??") == 0) { + connman_error("#%-2u %p in %s", i - offset, + frames[i], info.dli_fname); + continue; + } + + ptr = strchr(pos, '\n'); + *ptr++ = '\0'; -void __connman_debug_list_enabled(DBusMessageIter *iter, void *user_data) + if (strncmp(pos, program_path, pathlen) == 0) + pos += pathlen + 1; + + connman_error("#%-2u %p in %s() at %s", i - offset, + frames[i], buf, pos); + } + + connman_error("+++++++++++++++++++++++++++"); + + kill(pid, SIGTERM); + + close(outfd[1]); + close(infd[0]); +} + +static void signal_handler(int signo) { - int i; + connman_error("Aborting (signal %d) [%s]", signo, program_exec); - if (enabled == NULL) - return; + print_backtrace(2); + + exit(EXIT_FAILURE); +} - for (i = 0; enabled[i] != NULL; i++) - dbus_message_iter_append_basic(iter, - DBUS_TYPE_STRING, &enabled[i]); +static void signal_setup(sighandler_t handler) +{ + struct sigaction sa; + sigset_t mask; + + sigemptyset(&mask); + sa.sa_handler = handler; + sa.sa_mask = mask; + sa.sa_flags = 0; + sigaction(SIGBUS, &sa, NULL); + sigaction(SIGILL, &sa, NULL); + sigaction(SIGFPE, &sa, NULL); + sigaction(SIGSEGV, &sa, NULL); + sigaction(SIGABRT, &sa, NULL); + sigaction(SIGPIPE, &sa, NULL); } +extern struct connman_debug_desc __start___debug[]; +extern struct connman_debug_desc __stop___debug[]; + +static gchar **enabled = NULL; + static connman_bool_t is_enabled(struct connman_debug_desc *desc) { int i; @@ -148,16 +262,16 @@ static connman_bool_t is_enabled(struct connman_debug_desc *desc) return FALSE; } -int __connman_log_init(const char *debug, connman_bool_t detach) +void __connman_log_enable(struct connman_debug_desc *start, + struct connman_debug_desc *stop) { - int option = LOG_NDELAY | LOG_PID; struct connman_debug_desc *desc; const char *name = NULL, *file = NULL; - if (debug != NULL) - enabled = g_strsplit_set(debug, ":, ", 0); + if (start == NULL || stop == NULL) + return; - for (desc = __start___debug; desc < __stop___debug; desc++) { + for (desc = start; desc < stop; desc++) { if (desc->flags & CONNMAN_DEBUG_FLAG_ALIAS) { file = desc->file; name = desc->name; @@ -175,11 +289,28 @@ int __connman_log_init(const char *debug, connman_bool_t detach) if (is_enabled(desc) == TRUE) desc->flags |= CONNMAN_DEBUG_FLAG_PRINT; } +} + +int __connman_log_init(const char *program, const char *debug, + connman_bool_t detach) +{ + static char path[PATH_MAX]; + int option = LOG_NDELAY | LOG_PID; + + program_exec = program; + program_path = getcwd(path, sizeof(path)); + + if (debug != NULL) + enabled = g_strsplit_set(debug, ":, ", 0); + + __connman_log_enable(__start___debug, __stop___debug); if (detach == FALSE) option |= LOG_PERROR; - openlog("connmand", option, LOG_DAEMON); + signal_setup(signal_handler); + + openlog(basename(program), option, LOG_DAEMON); syslog(LOG_INFO, "Connection Manager version %s", VERSION); @@ -192,5 +323,7 @@ void __connman_log_cleanup(void) closelog(); + signal_setup(SIG_DFL); + g_strfreev(enabled); }