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-rw-r--r--ctrl/facemgr/src/util/log.h66
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diff --git a/ctrl/facemgr/src/util/log.h b/ctrl/facemgr/src/util/log.h
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+++ b/ctrl/facemgr/src/util/log.h
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+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+
+#ifndef UTIL_LOG_H
+#define UTIL_LOG_H
+
+#include <stdarg.h> // va_*
+#include <stdio.h> // FILE
+#include <time.h> // time, localtime
+
+#define LOG_FATAL 0
+#define LOG_ERROR 1
+#define LOG_WARN 2
+#define LOG_INFO 3
+#define LOG_DEBUG 4
+#define LOG_TRACE 5
+
+typedef struct {
+ int log_level;
+ int debug;
+ FILE * log_file;
+} log_conf_t;
+
+#define DEFAULT_LOG_CONF { \
+ .log_level = LOG_DEBUG, \
+ .debug = 0, \
+ .log_file = NULL, \
+};
+
+extern log_conf_t log_conf;
+
+#define WITH_DEBUG(BLOCK) \
+ if (log_conf.log_level >= LOG_DEBUG) \
+ BLOCK
+
+#define FATAL(fmt, ...) (_log(LOG_FATAL, fmt, ##__VA_ARGS__ ))
+#define ERROR(fmt, ...) (_log(LOG_ERROR, fmt, ##__VA_ARGS__ ))
+#define WARN(fmt, ...) (_log(LOG_WARN, fmt, ##__VA_ARGS__ ))
+#define INFO(fmt, ...) (_log(LOG_INFO, fmt, ##__VA_ARGS__ ))
+#define DEBUG(fmt, ...) (_log(LOG_DEBUG, fmt, ##__VA_ARGS__ ))
+#define TRACE(fmt, ...) (_log(LOG_TRACE, fmt, ##__VA_ARGS__ ))
+
+void _log_va(int level, const char *fmt, va_list ap);
+
+void _log(int level, const char *fmt, ...);
+
+void fatal(char *fmt, ...);
+
+#ifdef HAVE_BACKTRACE
+#include <execinfo.h>
+void print_trace(void);
+#endif
+
+#endif // UTIL_LOG_H