cmake更新，指定代码编译，保证向前兼容取消soversion设置

CMakeLists.txt

@@ -4,10 +4,12 @@ set(lib_name MESA_handle_logger)
 
 project (${lib_name})
 
+set(LIB_MAJOR_VERSION 1)
+set(LIB_MINOR_VERSION 1)
+
 set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
 include(Version)
 
-#SET(CMAKE_C_COMPILER "/usr/bin/g++")
 set(CMAKE_MACOSX_RPATH 0)
 set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} -Wall)
 set(CMAKE_INSTALL_PREFIX /opt/MESA)
@@ -32,21 +34,21 @@ endif()
 
 include_directories(${PROJECT_SOURCE_DIR}/inc/)
 
-file(GLOB SRC
-    "src/*.c"
-    "src/*.cpp"
-)
 
 # Shared Library Output
-add_library(${lib_name}_shared SHARED ${SRC})
+add_library(${lib_name}_shared SHARED src/MESA_handle_logger.c)
 if(DEFINED MESA_SHARED_INSTALL_DIR)
 	set_target_properties(${lib_name}_shared PROPERTIES OUTPUT_NAME ${lib_name} LIBRARY_OUTPUT_DIRECTORY ${MESA_SHARED_INSTALL_DIR})
 else()
 	set_target_properties(${lib_name}_shared PROPERTIES OUTPUT_NAME ${lib_name})
 endif()
 
+#set_target_properties(${lib_name}_shared PROPERTIES VERSION ${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION})
+#set_target_properties(${lib_name}_shared PROPERTIES SOVERSION ${LIB_MAJOR_VERSION})
+
+
 # static Library Output
-add_library(${lib_name}_static STATIC ${SRC})
+add_library(${lib_name}_static STATIC src/MESA_handle_logger.c)
 set_target_properties(${lib_name}_static PROPERTIES OUTPUT_NAME ${lib_name})
 
 set(CMAKE_INSTALL_PREFIX /opt/MESA)
@@ -56,12 +58,7 @@ install(FILES inc/${lib_name}.h   DESTINATION ${CMAKE_INSTALL_PREFIX}/include/ME
 
 
 
-file(GLOB DEMO
-    "demo/*.c"
-    "demo/*.cpp"
-)
-
-add_executable(${lib_name}_demo ${DEMO})
+add_executable(${lib_name}_demo demo/test_handle_logger.c)
 target_link_libraries(${lib_name}_demo  rt pthread ${lib_name}_static)
 
 include(Package)

README

@@ -4,13 +4,16 @@
  *Author:yangwei@iie.ac.cn
  *History:
 		2014-03-24 created by yw
-		1)first version
+		1)第一个动态库版本
 		
 		2014-04-16 modified by yw
-		1)strict inspection parameters, compatible with g++ 4.4.4
+		1) 支持g++ 4.4.4编译
 		
 		2014-05-29 update by yw
-		1)create  directory is supported
+		1)支持创建用户指定的日志目录
+
+		2019-2-18 update by yw
+		1)性能优化，句柄中存储文件fp，定期flush至文件
 ------------------------------------------------------------------------------------- 		
  NOTICE:
 		1)compatible with g++, extern with c;

src/MESA_handle_logger.c

@@ -8,17 +8,23 @@
 #include <unistd.h>
 #include<sys/stat.h>
 
+int LOGMSG_MAX_LEN = 4096;
+int FLUSH_LOG_NUM = 0;
 typedef struct log_handle_t
 {
     int runtime_log_level;
+    int flush_log_count;
+    FILE *fp;
+    pthread_mutex_t mutex;
     char runtime_log_file[1200];
+    char cur_log_file[4096];
 } log_handle_t;
 
-#define THREAD_CTIME(t, buf, len)       thread_safe_ctime(t, buf, len)
-#define LOGMSG_MAX_LEN      4096
 
-//const int HANDLE_LOGGER_VERSION_20170816 = 1;
-#define GIT_VERSION_CATTER(v) __attribute__((__used__)) const char *GIT_VERSION_##v = NULL
+
+//const int HANDLE_LOGGER_VERSION_20190218 = 1;
+
+#define GIT_VERSION_CATTER(v) __attribute__((__used__)) const char * GIT_VERSION_##v = NULL
 #define GIT_VERSION_EXPEND(v) GIT_VERSION_CATTER(v)
 
 #ifdef __cplusplus
@@ -28,9 +34,9 @@ extern "C"
 
 /* VERSION TAG */
 #ifdef GIT_VERSION
-    GIT_VERSION_EXPEND(GIT_VERSION);
+GIT_VERSION_EXPEND(GIT_VERSION);
 #else
-static __attribute__((__used__)) const char *GIT_VERSION_UNKNOWN = NULL;
+static __attribute__((__used__)) const char * GIT_VERSION_UNKNOWN = NULL;
 #endif
 #undef GIT_VERSION_CATTER
 #undef GIT_VERSION_EXPEND
@@ -39,8 +45,6 @@ static __attribute__((__used__)) const char *GIT_VERSION_UNKNOWN = NULL;
 }
 #endif
 
-static unsigned int month_days[12] =
-{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
 
 static unsigned char weekday_str[7][4] =
 {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
@@ -48,44 +52,6 @@ static unsigned char weekday_str[7][4] =
 static unsigned char month_str[12][4] = {"Jan", "Feb", "Mar", "Apr",
 	"May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
 
-char *thread_safe_ctime(const time_t *tp, char *buf, int len)
-{
-    unsigned int year, month, day, weekday, hour, min, sec;
-    unsigned int year_days = 365;
-    sec = * tp;
-    min = sec / 60; sec = sec % 60;
-    hour = min / 60; min = min % 60; hour += 8;
-    day = hour / 24; hour = hour % 24;
-    weekday = day % 7; weekday = (weekday + 4) % 7;
-
-    for(year = 1970; day >= year_days;)
-    {
-        day -= year_days;
-        year ++;
-
-        if(0 == year % 4 && (0 != year % 100 || 0 == year % 400))
-            year_days = 366;
-        else year_days = 365;
-    }
-
-    if(366 == year_days) month_days[1] = 29;
-
-	//bug fix by yw 20120808
-    for(month = 0; day >= month_days[month];)
-    {
-        day -= month_days[month];
-        month ++;
-    }
-
-    /*
-    snprintf(buf, len, "%02d:%02d:%02d, %04d/%02d/%02d, %s",
-        hour, min, sec, year, month, day, weekday_str[week_day]);
-    */
-    snprintf(buf, len, "%s %s %d %02d:%02d:%02d %d", weekday_str[weekday],
-             month_str[month], day + 1, hour, min, sec, year);
-    return buf;
-}
-
 static int create_dir(const char *dir_path, int path_len)
 {
     if(dir_path == NULL)
@@ -132,6 +98,11 @@ void *MESA_create_runtime_log_handle(const char *file_path, int level)
 {
 	if(file_path == NULL)
 		return NULL;
+    char *max_len = getenv("HLOG_MSG_SIZE");
+    char *flush_num = getenv("HLOG_FLUSH_NUM");
+
+    if(max_len != NULL)LOGMSG_MAX_LEN = atoi(max_len);
+    if(flush_num != NULL)FLUSH_LOG_NUM = atoi(flush_num);
     
     FILE *fp  = NULL;
     log_handle_t *p_handle = NULL;
@@ -146,7 +117,7 @@ void *MESA_create_runtime_log_handle(const char *file_path, int level)
     if(NULL == (fp = fopen(file_path, "w")))
 		return NULL;
 
-    fclose(fp);
+    //fclose(fp);
     //remove(file_path);
     p_handle = (log_handle_t *)calloc(sizeof(log_handle_t), 1);
 
@@ -156,6 +127,8 @@ void *MESA_create_runtime_log_handle(const char *file_path, int level)
     strncpy(p_handle->runtime_log_file, file_path, 1024);
     p_handle->runtime_log_file[1024] = '\0';
     p_handle->runtime_log_level = level;
+    pthread_mutex_init(&p_handle->mutex,NULL);
+    //p_handle->fp = fp;
     return (void *)p_handle;
 }
 
@@ -163,6 +136,12 @@ void MESA_destroy_runtime_log_handle(void *handle)
 {
     if(handle != NULL)
     {
+        log_handle_t *p_handle = (log_handle_t *)handle;
+        if (p_handle->fp != NULL)
+        {
+            fclose(p_handle->fp);
+            p_handle->fp = NULL;
+        }
             free(handle);
         handle = NULL;
     }
@@ -170,6 +149,32 @@ void MESA_destroy_runtime_log_handle(void *handle)
     return;
 }
 
+static void MESA_handle_close_file(log_handle_t *p_handle)
+{
+	pthread_mutex_lock(&p_handle->mutex); 
+	if(p_handle->fp != NULL)
+	{
+		fclose(p_handle->fp);
+		p_handle->fp = NULL;
+	}
+	pthread_mutex_unlock(&p_handle->mutex); 
+	return;	
+}
+
+static int MESA_handle_open_file(char *file_name, log_handle_t *p_handle)
+{
+	FILE *fp = NULL;
+	MESA_handle_close_file(p_handle);
+	if(NULL == (fp = fopen(file_name, "a"))) 
+	{
+		return -1;
+	}
+        p_handle->fp = fp;
+        p_handle->flush_log_count = 0;
+        memcpy(p_handle->cur_log_file, file_name, strlen(file_name));
+	return 0;
+}
+
 void MESA_handle_runtime_log(void *handle, int level, const char *module, const char *fmt, ...)
 {
     char buf[LOGMSG_MAX_LEN + 1];
@@ -178,7 +183,7 @@ void MESA_handle_runtime_log(void *handle, int level, const char *module, const
     va_list ap;
     FILE *fp;
     struct tm local_time;
-    char tmp_log_file_name[1201];
+    char tmp_log_file_name[1400];
     log_handle_t *p_handle = (log_handle_t *)handle;
 
     if(p_handle == NULL || p_handle->runtime_log_file == NULL)return;
@@ -187,7 +192,6 @@ void MESA_handle_runtime_log(void *handle, int level, const char *module, const
 
     time(&t);
     if(NULL == (localtime_r(&t, &local_time))) return;
-    //THREAD_CTIME(&t, buf, LOGMSG_MAX_LEN);
     len = snprintf(buf, sizeof(buf), "%s %s %d %02d:%02d:%02d %d", weekday_str[local_time.tm_wday],
              month_str[local_time.tm_mon], local_time.tm_mday, local_time.tm_hour, local_time.tm_min, local_time.tm_sec, local_time.tm_year+1900);
     //len = strlen(buf);
@@ -234,9 +238,30 @@ void MESA_handle_runtime_log(void *handle, int level, const char *module, const
             local_time.tm_year + 1900, local_time.tm_mon + 1,
             local_time.tm_mday);
 
-    if(NULL == (fp = fopen(tmp_log_file_name, "a"))) return;
-
-    fprintf(fp, "%s", buf);
-    fclose(fp);
+    if(p_handle->fp == NULL)
+    {
+	    if(0 != MESA_handle_open_file(tmp_log_file_name,p_handle))return;
+    }
+    else
+    {
+	    if (0 != memcmp(tmp_log_file_name, p_handle->cur_log_file, strlen(tmp_log_file_name)))
+	    {
+		    if(0 != MESA_handle_open_file(tmp_log_file_name,p_handle))return;
+	    }
+    }
+    if (0 > fprintf(p_handle->fp, "%s", buf))
+    {
+	MESA_handle_close_file(p_handle);
+    }
+    else
+    {
+	    p_handle->flush_log_count+=1;
+	    if (p_handle->flush_log_count >= FLUSH_LOG_NUM)
+	    {
+		    fflush(p_handle->fp);
+		    p_handle->flush_log_count = 0;
+	    }
+    }        
+    return;
 }