-- Adding TLogging.h
Summary:
-- This should have been part of the previous commit
Reviewed By: Slee
git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@664825 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/cpp/src/TLogging.h b/lib/cpp/src/TLogging.h
new file mode 100644
index 0000000..788174e
--- /dev/null
+++ b/lib/cpp/src/TLogging.h
@@ -0,0 +1,134 @@
+#ifndef _THRIFT_LOGGING_H
+#define _THRIFT_LOGGING_H 1
+
+/**
+ * Contains utility macros for debugging and logging.
+ *
+ * @author Aditya Agarwal
+ */
+
+#include "time.h"
+#include <stdint.h>
+
+/**
+ * GLOBAL_DEBUGGING_LEVEL = 0: all debugging turned off, debug macros undefined
+ * GLOBAL_DEBUGGING_LEVEL = 1: all debugging turned on
+ */
+#define GLOBAL_DEBUGGING_LEVEL 0
+
+
+/**
+ * GLOBAL_LOGGING_LEVEL = 0: all logging turned off, logging macros undefined
+ * GLOBAL_LOGGING_LEVEL = 1: all logging turned on
+ */
+#define GLOBAL_LOGGING_LEVEL 1
+
+
+/**
+ * Standard wrapper around fprintf what will prefix the file name and line
+ * number to the line. Uses GLOBAL_DEBUGGING_LEVEL to control whether it is
+ * turned on or off.
+ *
+ * @param format_string
+ */
+#if GLOBAL_DEBUGGING_LEVEL > 0
+ #define DEBUG(format_string,...) \
+ if (GLOBAL_DEBUGGING_LEVEL > 0) { \
+ fprintf(stderr,"[%s,%d] " #format_string " \n", __FILE__, __LINE__,##__VA_ARGS__); \
+ }
+#else
+ #define DEBUG(format_string,...)
+#endif
+
+
+/**
+ * analagous to DEBUG but also prints the time
+ *
+ * @param string format_string input: printf style format string
+ */
+#if GLOBAL_DEBUGGING_LEVEL > 0
+ #define DEBUG_T(format_string,...) \
+ { \
+ if (GLOBAL_DEBUGGING_LEVEL > 0) { \
+ time_t now; \
+ char dbgtime[26] ; \
+ time(&now); \
+ ctime_r(&now, dbgtime); \
+ dbgtime[24] = '\0'; \
+ fprintf(stderr,"[%s,%d] [%s] " #format_string " \n", __FILE__, __LINE__,dbgtime,##__VA_ARGS__); \
+ } \
+ }
+#else
+ #define DEBUG_T(format_string,...)
+#endif
+
+
+/**
+ * analagous to DEBUG but uses input level to determine whether or not the string
+ * should be logged.
+ *
+ * @param int level: specified debug level
+ * @param string format_string input: format string
+ */
+#define DEBUG_L(level, format_string,...) \
+ if ((level) > 0) { \
+ fprintf(stderr,"[%s,%d] " #format_string " \n", __FILE__, __LINE__,##__VA_ARGS__); \
+ }
+
+
+/**
+ * Explicit error logging. Prints time, file name and line number
+ *
+ * @param string format_string input: printf style format string
+ */
+#define ERROR(format_string,...) \
+ { \
+ time_t now; \
+ char dbgtime[26] ; \
+ time(&now); \
+ ctime_r(&now, dbgtime); \
+ dbgtime[24] = '\0'; \
+ fprintf(stderr,"[%s,%d] [%s] ERROR: " #format_string " \n", __FILE__, __LINE__,dbgtime,##__VA_ARGS__); \
+ }
+
+
+/**
+ * Analagous to ERROR, additionally aborting the process.
+ * WARNING: macro calls abort(), ending program execution
+ *
+ * @param string format_string input: printf style format string
+ */
+#define ERROR_ABORT(format_string,...) \
+ { \
+ time_t now; \
+ char dbgtime[26] ; \
+ time(&now); \
+ ctime_r(&now, dbgtime); \
+ dbgtime[24] = '\0'; \
+ fprintf(stderr,"[%s,%d] [%s] ERROR: Going to abort " #format_string " \n", __FILE__, __LINE__,dbgtime,##__VA_ARGS__); \
+ exit(1); \
+ }
+
+
+/**
+ * Log input message
+ *
+ * @param string format_string input: printf style format string
+ */
+#if GLOBAL_LOGGING_LEVEL > 0
+ #define LOG_OPER(format_string,...) \
+ { \
+ if (GLOBAL_LOGGING_LEVEL > 0) { \
+ time_t now; \
+ char dbgtime[26] ; \
+ time(&now); \
+ ctime_r(&now, dbgtime); \
+ dbgtime[24] = '\0'; \
+ fprintf(stderr,"[%s] " #format_string " \n", dbgtime,##__VA_ARGS__); \
+ } \
+ }
+#else
+ #define LOG_OPER(format_string,...)
+#endif
+
+#endif // _THRIFT_LOGGING_H