feature add tag support

src/ulib/log/log.h

@@ -10,8 +10,8 @@
 
 namespace tqcq {
 
-#define _ULOG(level, fmt_str, ...)                                                                                     \
+#define _ULOG(level, tag, fmt_str, ...)                                                                                     \
-    tqcq::Logger::GetInstance().Log(level, __FILE__, __FUNCTION__, __LINE__,                                           \
+    tqcq::Logger::GetInstance().Log(level, __FILE__, __FUNCTION__, __LINE__, tag,                                           \
                                     fmt::format(fmt_str, ##__VA_ARGS__).c_str())
 
 #define ULOG_SET_STRIPPED_PREFIX_LEN(len) ::tqcq::Logger::GetInstance().SetStrippedPrefixLen(len)

src/ulib/log/logger.cpp

@@ -22,17 +22,20 @@ Logger::Logger() {}
 Logger::~Logger() {}
 
 void
-Logger::Log(int32_t level, const char *file, const char *func, int32_t line, const char *msg)
+Logger::Log(int32_t level, const char *file, const char *func, int32_t line, const char* tag, const char *msg)
 {
     const char *level_name = Level::ToString(level);
-    std::string pattern = "[{}] {}:{}@{} msg: {}";
+    /**
+     * @brief level_name, file:line@func tag msg
+     */
+    std::string pattern = "[{:<5}] {} {}:{}@{} {}";
 
     // auto add CR
     bool need_append_line_break = !msg || *msg == '\0' || msg[strlen(msg) - 1] != '\n';
     if (need_append_line_break) {
         pattern.append(1, '\n');
     }
-    fmt::print(pattern, level_name, file + stripped_prefix_len_, line, func, msg);
+    fmt::print(pattern, level_name, tag, file + stripped_prefix_len_, line, func, msg);
 }
 
 void

src/ulib/log/logger.h

@@ -16,7 +16,7 @@ public:
     Logger();
     ~Logger();
     static Logger &GetInstance();
-    void Log(int32_t level, const char *file, const char *func, int32_t line, const char *msg);
+    void Log(int32_t level, const char *file, const char *func, int32_t line, const char* tag,const char *msg);
     void SetStrippedPrefixLen(size_t len);
 
 private:

tests/src/ulib/log/log_test.cpp

@@ -1,12 +1,14 @@
 #include <gtest/gtest.h>
 #include <ulib/log/log.h>
 
+static const char* kLogTag = "UnitTest";
+
 TEST(ULIB_LOG_TEST, base_test)
 {
-    ULOG_TRACE("trace log");
+    ULOG_TRACE(kLogTag, "trace log");
-    ULOG_DEBUG("debug log");
+    ULOG_DEBUG(kLogTag, "debug log");
-    ULOG_INFO("info log");
+    ULOG_INFO(kLogTag, "info log");
-    ULOG_WARN("warn log");
+    ULOG_WARN(kLogTag, "warn log");
-    ULOG_ERROR("error log");
+    ULOG_ERROR(kLogTag, "error log");
-    ULOG_FATAL("fatal log");
+    ULOG_FATAL(kLogTag, "fatal log");
 }