feature support log control

src/ulib/log/logger.cpp

@@ -25,11 +25,11 @@ Logger::Logger() {
     const char* env_level = getenv("ULIB_LOG_LEVEL");
     printf("ULIB_LOG_LEVEL: %s\n", env_level);
     if (!env_level) {
-        level_ = Level::kALL;
+        SetLogLevel(Level::kALL);
     } else {
         int level = atoi(env_level);
         level = std::max(static_cast<int>(Level::kALL), std::min(static_cast<int>(Level::kOFF), level));
-        level_ = static_cast<Level::LevelEnum>(level);
+        SetLogLevel(static_cast<Level::LevelEnum>(level));
     }
 }
 
@@ -71,4 +71,10 @@ Logger::SetStrippedPrefixLen(size_t len)
     stripped_prefix_len_ = len;
 }
 
+void
+Logger::SetLogLevel(Level::LevelEnum min_level)
+{
+    level_ = min_level;
+}
+
 }// namespace tqcq

src/ulib/log/logger.h

@@ -16,6 +16,7 @@ public:
     Logger();
     ~Logger();
     static Logger &GetInstance();
+    void SetLogLevel(Level::LevelEnum min_level);
     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);