sync with master

1 files changed, 164 insertions, 0 deletions

diff --git a/src/critical_log.c b/src/critical_log.c
new file mode 100644
index 0000000..36e7ccf
--- /dev/null
+++ b/src/critical_log.c
@@ -0,0 +1,164 @@
+/*
+ * Copyright 2012  Samsung Electronics Co., Ltd
+ *
+ * Licensed under the Flora License, Version 1.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.tizenopensource.org/license
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <errno.h>
+#include <string.h>
+#include <libgen.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <dlog.h>
+#include <Eina.h>
+
+#include "conf.h"
+#include "debug.h"
+#include "util.h"
+#include "critical_log.h"
+
+static struct {
+	FILE *fp;
+	int file_id;
+	int nr_of_lines;
+	char *filename;
+} s_info = {
+	.fp = NULL,
+	.file_id = 0,
+	.nr_of_lines = 0,
+	.filename = NULL,
+};
+
+
+
+static inline void rotate_log(void)
+{
+	char *filename;
+	int namelen;
+
+	if (s_info.nr_of_lines < MAX_LOG_LINE)
+		return;
+
+	s_info.file_id = (s_info.file_id + 1) % MAX_LOG_FILE;
+
+	namelen = strlen(s_info.filename) + strlen(SLAVE_LOG_PATH) + 20;
+	filename = malloc(namelen);
+	if (filename) {
+		snprintf(filename, namelen, "%s/%d_%s", SLAVE_LOG_PATH, s_info.file_id, s_info.filename);
+
+		if (s_info.fp)
+			fclose(s_info.fp);
+
+		s_info.fp = fopen(filename, "w+");
+		if (!s_info.fp)
+			ErrPrint("Failed to open a file: %s\n", filename);
+
+		DbgFree(filename);
+	}
+
+	s_info.nr_of_lines = 0;
+}
+
+
+
+HAPI int critical_log(const char *func, int line, const char *fmt, ...)
+{
+	va_list ap;
+	int ret;
+	struct timeval tv;
+
+	if (!s_info.fp)
+		return -EIO;
+
+	if (gettimeofday(&tv, NULL) < 0) {
+		tv.tv_sec = 0;
+		tv.tv_usec = 0;
+	}
+
+	fprintf(s_info.fp, "%d %lu.%lu [%s:%d] ", getpid(), tv.tv_sec, tv.tv_usec, util_basename((char *)func), line);
+
+	va_start(ap, fmt);
+	ret = vfprintf(s_info.fp, fmt, ap);
+	va_end(ap);
+
+	s_info.nr_of_lines++;
+	rotate_log();
+	return ret;
+}
+
+
+
+HAPI int critical_log_init(const char *name)
+{
+	int namelen;
+	char *filename;
+
+	if (s_info.fp)
+		return 0;
+
+	s_info.filename = strdup(name);
+	if (!s_info.filename) {
+		ErrPrint("Failed to create a log file\n");
+		return -ENOMEM;
+	}
+
+	namelen = strlen(name) + strlen(SLAVE_LOG_PATH) + 20;
+
+	filename = malloc(namelen);
+	if (!filename) {
+		ErrPrint("Failed to create a log file\n");
+		DbgFree(s_info.filename);
+		s_info.filename = NULL;
+		return -ENOMEM;
+	}
+
+	snprintf(filename, namelen, "%s/%d_%s", SLAVE_LOG_PATH, s_info.file_id, name);
+
+	s_info.fp = fopen(filename, "w+");
+	if (!s_info.fp) {
+		ErrPrint("Failed to open log: %s\n", strerror(errno));
+		DbgFree(s_info.filename);
+		s_info.filename = NULL;
+		DbgFree(filename);
+		return -EIO;
+	}
+
+	DbgFree(filename);
+	return 0;
+}
+
+
+
+HAPI int critical_log_fini(void)
+{
+	if (s_info.filename) {
+		DbgFree(s_info.filename);
+		s_info.filename = NULL;
+	}
+
+	if (s_info.fp) {
+		fclose(s_info.fp);
+		s_info.fp = NULL;
+	}
+
+	return 0;
+}
+
+
+
+/* End of a file */