Made repeat thrshold settable #44

BaseCommon/Log.cpp

@@ -28,7 +28,8 @@ bool CLog::m_addedTargets(false);
 std::recursive_mutex CLog::m_targetsMutex;
 std::vector<CLogTarget *> CLog::m_targets = { new CLogConsoleTarget(LOG_DEBUG) };
 std::string CLog::m_prevMsg = "";
-int CLog::m_prevMsgCount = 0;
+uint CLog::m_prevMsgCount = 0U;
+uint CLog::m_repeatThreshold = 1U;
 
 
 void CLog::addTarget(CLogTarget* target)
@@ -58,6 +59,11 @@ void CLog::finalise()
     m_prevMsgCount = 0;
 }
 
+uint& CLog::getRepeatThreshold()
+{
+    return CLog::m_repeatThreshold;
+}
+
 void CLog::getTimeStamp(std::string & s)
 {
     std::time_t now= std::time(0);

BaseCommon/Log.h

@@ -36,7 +36,8 @@ private:
     static bool m_addedTargets;
     static std::recursive_mutex m_targetsMutex;
     static std::string m_prevMsg;
-    static int m_prevMsgCount;
+    static uint m_prevMsgCount;
+    static uint m_repeatThreshold;
 
     static void getTimeStamp(std::string& s);
 
@@ -78,9 +79,9 @@ private:
     }
 
 public:
-    
     static void addTarget(CLogTarget * target);
     static void finalise();
+    static uint& getRepeatThreshold();
 
     template<typename... Args> static void logTrace(const std::string & f, Args... args)
     {
@@ -119,22 +120,26 @@ public:
         if(m_targets.empty())
             return;
 
-        std::string timestamp;
-        getTimeStamp(timestamp);
-
         std::string msg;
         formatLogMessage(msg, severity, f, args...);
 
-        if(msg.compare(m_prevMsg) == 0) {
+        bool repeatedMsg = (msg.compare(m_prevMsg) == 0);
+
+        if(repeatedMsg && m_repeatThreshold > 0U) {
             m_prevMsgCount++;
+            if(m_prevMsgCount >= m_repeatThreshold)
                 return;
         }
-        else if(m_prevMsgCount != 0) {
-            formatLogMessage(msg, severity, "Previous message repeated %d times", m_prevMsgCount);
-        }
                
         m_prevMsg.assign(msg);
 
+        if(m_prevMsgCount >= m_repeatThreshold && !repeatedMsg && m_repeatThreshold > 0U) {
+            formatLogMessage(msg, severity, "Previous message repeated %d times", m_prevMsgCount - m_repeatThreshold + 1);
+            m_prevMsg.clear();
+        }
+        
+        std::string timestamp;
+        getTimeStamp(timestamp);
         std::string msgts;
         CStringUtils::string_format_in_place(msgts, "[%s] %s", timestamp.c_str(), msg.c_str());
 
@@ -144,7 +149,7 @@ public:
             }
         }
 
-        if(m_prevMsgCount != 0) {
+        if(m_prevMsgCount != 0 && !repeatedMsg) {
             m_prevMsgCount = 0;
             log(severity, f, args ...);
         }

Tests/Log/logRepeat.cpp

@@ -47,12 +47,13 @@ namespace LogRepeatTests
         CLog::logError("One Message");
         CLog::logError("Two Message");
 
-        EXPECT_EQ(2, m_logTarget->m_messages.size()) << "There should be exactly two message in the log.";
+        EXPECT_EQ(2, m_logTarget->m_messages.size()) << "There should be exactly two messages in the log.";
         EXPECT_THAT(m_logTarget->m_messages[0].c_str(), EndsWith("[ERROR  ] One Message\n"));
         EXPECT_THAT(m_logTarget->m_messages[1].c_str(), EndsWith("[ERROR  ] Two Message\n"));
     }
 
-    TEST_F(LogRepeat, ThreeIdenticalMessage) {
+    TEST_F(LogRepeat, ThreeIdenticalMessageThreshold1) {
+        CLog::getRepeatThreshold() = 1U;
         CLog::logError("One Message");
         CLog::logError("One Message");
         CLog::logError("One Message");
@@ -61,7 +62,8 @@ namespace LogRepeatTests
         EXPECT_THAT(m_logTarget->m_messages[0].c_str(), EndsWith("[ERROR  ] One Message\n"));
     }
 
-    TEST_F(LogRepeat, NineIdenticalMessageOneDifferent) {
+    TEST_F(LogRepeat, NineIdenticalMessageTwoDifferentThreshold1) {
+        CLog::getRepeatThreshold() = 1U;
         CLog::logError("One Message");
         CLog::logError("One Message");
         CLog::logError("One Message");        
@@ -72,10 +74,46 @@ namespace LogRepeatTests
         CLog::logError("One Message");
         CLog::logError("One Message");
         CLog::logError("Another Message");
+        CLog::logError("And here is another Message");
 
-        EXPECT_EQ(3, m_logTarget->m_messages.size()) << "There should be two message in the log.";
+        EXPECT_EQ(4, m_logTarget->m_messages.size()) << "There should be two message in the log.";
         EXPECT_THAT(m_logTarget->m_messages[0].c_str(), EndsWith("[ERROR  ] One Message\n"));
         EXPECT_THAT(m_logTarget->m_messages[1].c_str(), EndsWith("[ERROR  ] Previous message repeated 8 times\n"));
         EXPECT_THAT(m_logTarget->m_messages[2].c_str(), EndsWith("[ERROR  ] Another Message\n"));
+        EXPECT_THAT(m_logTarget->m_messages[3].c_str(), EndsWith("[ERROR  ] And here is another Message\n"));
+    }
+
+
+    TEST_F(LogRepeat, ThreeIdenticalMessageThreshold2) {
+        CLog::getRepeatThreshold() = 2U;
+        CLog::logError("One Message");
+        CLog::logError("One Message");
+        CLog::logError("One Message");
+
+        EXPECT_EQ(1, m_logTarget->m_messages.size()) << "There should be two messages in the log.";
+        EXPECT_THAT(m_logTarget->m_messages[0].c_str(), EndsWith("[ERROR  ] One Message\n"));
+        EXPECT_THAT(m_logTarget->m_messages[1].c_str(), EndsWith("[ERROR  ] One Message\n"));
+    }
+
+    TEST_F(LogRepeat, NineIdenticalMessageTwoDifferentThreshold2) {
+        CLog::getRepeatThreshold() = 2U;
+        CLog::logError("One Message");
+        CLog::logError("One Message");
+        CLog::logError("One Message");        
+        CLog::logError("One Message");
+        CLog::logError("One Message");       
+        CLog::logError("One Message");
+        CLog::logError("One Message");        
+        CLog::logError("One Message");
+        CLog::logError("One Message");
+        CLog::logError("Another Message");
+        CLog::logError("And here is another Message");
+
+        EXPECT_EQ(4, m_logTarget->m_messages.size()) << "There should be two message in the log.";
+        EXPECT_THAT(m_logTarget->m_messages[0].c_str(), EndsWith("[ERROR  ] One Message\n"));
+        EXPECT_THAT(m_logTarget->m_messages[1].c_str(), EndsWith("[ERROR  ] One Message\n"));
+        EXPECT_THAT(m_logTarget->m_messages[2].c_str(), EndsWith("[ERROR  ] Previous message repeated 7 times\n"));
+        EXPECT_THAT(m_logTarget->m_messages[3].c_str(), EndsWith("[ERROR  ] Another Message\n"));
+        EXPECT_THAT(m_logTarget->m_messages[4].c_str(), EndsWith("[ERROR  ] And here is another Message\n"));
     }
 }