diff options
Diffstat (limited to 'src/log.c')
| -rwxr-xr-x[-rw-r--r--] | src/log.c | 233 |
1 files changed, 232 insertions, 1 deletions
diff --git a/src/log.c b/src/log.c index 9bae4a3d..fa8ac31f 100644..100755 --- a/src/log.c +++ b/src/log.c @@ -30,6 +30,7 @@ #include <stdlib.h> #include <string.h> #include <syslog.h> +#include <execinfo.h> #include <dlfcn.h> #include "connman.h" @@ -37,6 +38,132 @@ static const char *program_exec; static const char *program_path; +#if defined TIZEN_EXT +#include <sys/stat.h> +#include <sys/time.h> + +#define LOG_FILE_PATH "/opt/usr/data/network/connman.log" +#define MAX_LOG_SIZE 1 * 1024 * 1024 +#define MAX_LOG_COUNT 1 + +#define openlog __connman_log_open +#define closelog __connman_log_close +#define vsyslog __connman_log +#define syslog __connman_log_s + +static FILE *log_file = NULL; + +void __connman_log_open(const char *ident, int option, int facility) +{ + if (!log_file) + log_file = (FILE *)fopen(LOG_FILE_PATH, "a+"); +} + +void __connman_log_close(void) +{ + fclose(log_file); + log_file = NULL; +} + +static void __connman_log_update_file_revision(int rev) +{ + int next_log_rev = 0; + char *log_file = NULL; + char *next_log_file = NULL; + + next_log_rev = rev + 1; + + log_file = g_strdup_printf("%s.%d", LOG_FILE_PATH, rev); + next_log_file = g_strdup_printf("%s.%d", LOG_FILE_PATH, next_log_rev); + + if (next_log_rev >= MAX_LOG_COUNT) + remove(next_log_file); + + if (access(next_log_file, F_OK) == 0) + __connman_log_update_file_revision(next_log_rev); + + if (rename(log_file, next_log_file) != 0) + remove(log_file); + + g_free(log_file); + g_free(next_log_file); +} + +static void __connman_log_make_backup(void) +{ + const int rev = 0; + char *backup = NULL; + + backup = g_strdup_printf("%s.%d", LOG_FILE_PATH, rev); + + if (access(backup, F_OK) == 0) + __connman_log_update_file_revision(rev); + + if (rename(LOG_FILE_PATH, backup) != 0) + remove(LOG_FILE_PATH); + + g_free(backup); +} + +static void __connman_log_get_local_time(char *strtime, const int size) +{ + struct timeval tv; + struct tm *local_ptm; + char buf[32]; + + gettimeofday(&tv, NULL); + local_ptm = localtime(&tv.tv_sec); + + strftime(buf, sizeof(buf), "%m/%d %H:%M:%S", local_ptm); + snprintf(strtime, size, "%s.%03ld", buf, tv.tv_usec / 1000); +} + +void __connman_log(const int log_priority, const char *format, va_list ap) +{ + int log_size = 0; + struct stat buf; + char str[256]; + char strtime[40]; + + if (!log_file) + log_file = (FILE *)fopen(LOG_FILE_PATH, "a+"); + + if (!log_file) + return; + + fstat(fileno(log_file), &buf); + log_size = buf.st_size; + + if (log_size >= MAX_LOG_SIZE) { + fclose(log_file); + log_file = NULL; + + __connman_log_make_backup(); + + log_file = (FILE *)fopen(LOG_FILE_PATH, "a+"); + + if (!log_file) + return; + } + + __connman_log_get_local_time(strtime, sizeof(strtime)); + + if (vsnprintf(str, sizeof(str), format, ap) > 0) + fprintf(log_file, "%s %s\n", strtime, str); +} + +void __connman_log_s(int log_priority, const char *format, ...) +{ + va_list ap; + + va_start(ap, format); + + vsyslog(LOG_DEBUG, format, ap); + + va_end(ap); +} +#endif + /** * connman_info: * @format: format string @@ -89,6 +216,7 @@ void connman_error(const char *format, ...) vsyslog(LOG_ERR, format, ap); va_end(ap); + fflush(log_file); } /** @@ -107,13 +235,116 @@ void connman_debug(const char *format, ...) vsyslog(LOG_DEBUG, format, ap); va_end(ap); + fflush(log_file); +} + +static void print_backtrace(unsigned int offset) +{ + void *frames[99]; + size_t n_ptrs; + unsigned int i; + int outfd[2], infd[2]; + int pathlen; + pid_t pid; + + if (!program_exec) + return; + + pathlen = strlen(program_path); + + n_ptrs = backtrace(frames, G_N_ELEMENTS(frames)); + if (n_ptrs < offset) + return; + + if (pipe(outfd) < 0) + return; + + if (pipe(infd) < 0) { + close(outfd[0]); + close(outfd[1]); + return; + } + + 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) - 1); + 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'; + + 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) { connman_error("Aborting (signal %d) [%s]", signo, program_exec); - print_backtrace(program_path, program_exec, 2); + print_backtrace(2); exit(EXIT_FAILURE); } |