Updated connman to version 1.35
[platform/upstream/connman.git] / src / log.c
old mode 100644 (file)
new mode 100755 (executable)
index 9bae4a3..fa8ac31
--- 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"
 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);
 }