Base Code merged to SPIN 2.4
[platform/upstream/connman.git] / src / log.c
old mode 100644 (file)
new mode 100755 (executable)
index 7d1896c..ead9b2e
--- a/src/log.c
+++ b/src/log.c
@@ -2,7 +2,7 @@
  *
  *  Connection Manager
  *
- *  Copyright (C) 2007-2012  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2007-2013  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
 static const char *program_exec;
 static const char *program_path;
 
+#if defined TIZEN_EXT
+#include <sys/stat.h>
+
+#define LOG_FILE_PATH "/opt/usr/data/network/connman.log"
+#define MAX_LOG_SIZE   1 * 1024 * 1024
+#define MAX_LOG_COUNT  3
+
+#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)
+{
+       time_t buf;
+       struct tm *local_ptm;
+
+       time(&buf);
+       buf = time(NULL);
+       local_ptm = localtime(&buf);
+
+       strftime(strtime, size, "%m/%d %H:%M:%S", local_ptm);
+}
+
+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
@@ -119,7 +243,7 @@ static void print_backtrace(unsigned int offset)
        int pathlen;
        pid_t pid;
 
-       if (program_exec == NULL)
+       if (!program_exec)
                return;
 
        pathlen = strlen(program_path);
@@ -179,7 +303,7 @@ static void print_backtrace(unsigned int offset)
                if (written < 0)
                        break;
 
-               len = read(infd[0], buf, sizeof(buf));
+               len = read(infd[0], buf, sizeof(buf) - 1);
                if (len < 0)
                        break;
 
@@ -243,23 +367,23 @@ extern struct connman_debug_desc __stop___debug[];
 
 static gchar **enabled = NULL;
 
-static connman_bool_t is_enabled(struct connman_debug_desc *desc)
+static bool is_enabled(struct connman_debug_desc *desc)
 {
        int i;
 
-       if (enabled == NULL)
-               return FALSE;
+       if (!enabled)
+               return false;
 
-       for (i = 0; enabled[i] != NULL; i++) {
-               if (desc->name != NULL && g_pattern_match_simple(enabled[i],
-                                                       desc->name) == TRUE)
-                       return TRUE;
-               if (desc->file != NULL && g_pattern_match_simple(enabled[i],
-                                                       desc->file) == TRUE)
-                       return TRUE;
+       for (i = 0; enabled[i]; i++) {
+               if (desc->name && g_pattern_match_simple(enabled[i],
+                                                       desc->name))
+                       return true;
+               if (desc->file && g_pattern_match_simple(enabled[i],
+                                                       desc->file))
+                       return true;
        }
 
-       return FALSE;
+       return false;
 }
 
 void __connman_log_enable(struct connman_debug_desc *start,
@@ -268,7 +392,7 @@ void __connman_log_enable(struct connman_debug_desc *start,
        struct connman_debug_desc *desc;
        const char *name = NULL, *file = NULL;
 
-       if (start == NULL || stop == NULL)
+       if (!start || !stop)
                return;
 
        for (desc = start; desc < stop; desc++) {
@@ -278,21 +402,22 @@ void __connman_log_enable(struct connman_debug_desc *start,
                        continue;
                }
 
-               if (file != NULL || name != NULL) {
+               if (file || name) {
                        if (g_strcmp0(desc->file, file) == 0) {
-                               if (desc->name == NULL)
+                               if (!desc->name)
                                        desc->name = name;
                        } else
                                file = NULL;
                }
 
-               if (is_enabled(desc) == TRUE)
+               if (is_enabled(desc))
                        desc->flags |= CONNMAN_DEBUG_FLAG_PRINT;
        }
 }
 
 int __connman_log_init(const char *program, const char *debug,
-                                               connman_bool_t detach)
+               gboolean detach, gboolean backtrace,
+               const char *program_name, const char *program_version)
 {
        static char path[PATH_MAX];
        int option = LOG_NDELAY | LOG_PID;
@@ -300,30 +425,32 @@ int __connman_log_init(const char *program, const char *debug,
        program_exec = program;
        program_path = getcwd(path, sizeof(path));
 
-       if (debug != NULL)
+       if (debug)
                enabled = g_strsplit_set(debug, ":, ", 0);
 
        __connman_log_enable(__start___debug, __stop___debug);
 
-       if (detach == FALSE)
+       if (!detach)
                option |= LOG_PERROR;
 
-       signal_setup(signal_handler);
+       if (backtrace)
+               signal_setup(signal_handler);
 
        openlog(basename(program), option, LOG_DAEMON);
 
-       syslog(LOG_INFO, "Connection Manager version %s", VERSION);
+       syslog(LOG_INFO, "%s version %s", program_name, program_version);
 
        return 0;
 }
 
-void __connman_log_cleanup(void)
+void __connman_log_cleanup(gboolean backtrace)
 {
        syslog(LOG_INFO, "Exit");
 
        closelog();
 
-       signal_setup(SIG_DFL);
+       if (backtrace)
+               signal_setup(SIG_DFL);
 
        g_strfreev(enabled);
 }