From 7fa785a8f4e1aff57616d342cfc3e9cd76bce712 Mon Sep 17 00:00:00 2001
From: winckler <n.winckler@gsi.de>
Date: Mon, 27 Apr 2015 13:22:16 +0200
Subject: [PATCH] add static set log level function and minimum log level
 variable to FairMQlogger in order to filter output printing.

---
 fairmq/FairMQLogger.cxx | 40 +++++++++++++++++++++++++---------------
 fairmq/FairMQLogger.h   | 20 ++++++++++++++++----
 2 files changed, 41 insertions(+), 19 deletions(-)

diff --git a/fairmq/FairMQLogger.cxx b/fairmq/FairMQLogger.cxx
index 175166e9..aad0becd 100644
--- a/fairmq/FairMQLogger.cxx
+++ b/fairmq/FairMQLogger.cxx
@@ -12,42 +12,52 @@
  * @author D. Klein, A. Rybalchenko
  */
 
-#include <string>
-#include <stdio.h>
-
 #include "FairMQLogger.h"
 
-using namespace std;
+
+int FairMQLogger::fMinLogLevel = FairMQLogger::DEBUG;
 
 FairMQLogger::FairMQLogger()
-    : os()
+    : os(), fLogLevel(DEBUG)
 {
 }
 
 FairMQLogger::~FairMQLogger()
 {
-    cout << os.str() << endl;
+    if(fLogLevel>=FairMQLogger::fMinLogLevel && fLogLevel<FairMQLogger::NOLOG)
+        std::cout << os.str() << std::endl;
 }
 
-ostringstream& FairMQLogger::Log(int type)
+std::ostringstream& FairMQLogger::Log(int type)
 {
-    string type_str;
+    std::string type_str;
+    fLogLevel=type;
     switch (type)
     {
-        case DEBUG:
+        case DEBUG :
             type_str = "\033[01;34mDEBUG\033[0m";
             break;
-        case INFO:
+            
+        case INFO :
             type_str = "\033[01;32mINFO\033[0m";
             break;
-        case ERROR:
-            type_str = "\033[01;31mERROR\033[0m";
-            break;
-        case WARN:
+                        
+        case WARN :
             type_str = "\033[01;33mWARN\033[0m";
             break;
-        case STATE:
+            
+        case ERROR :
+            type_str = "\033[01;31mERROR\033[0m";
+            break;    
+            
+        case STATE :
             type_str = "\033[01;35mSTATE\033[0m";
+            break;
+            
+        case NOLOG :
+            type_str = "\033[01;31mNOLOG\033[0m";
+            break;
+            
         default:
             break;
     }
diff --git a/fairmq/FairMQLogger.h b/fairmq/FairMQLogger.h
index 19fad268..6dc56f64 100644
--- a/fairmq/FairMQLogger.h
+++ b/fairmq/FairMQLogger.h
@@ -20,24 +20,35 @@
 #include <iostream>
 #include <iomanip>
 #include <ctime>
+#include <string>
+#include <stdio.h>
 
 class FairMQLogger
 {
-  public:
-    enum
+  public:      
+    enum Level
     {
         DEBUG,
         INFO,
-        ERROR,
         WARN,
-        STATE
+        ERROR,
+        STATE,
+        NOLOG
     };
+    
     FairMQLogger();
     virtual ~FairMQLogger();
     std::ostringstream& Log(int type);
 
+    static void SetLogLevel(int loglevel)
+    { 
+        FairMQLogger::fMinLogLevel = loglevel; 
+    }
+    
   private:
     std::ostringstream os;
+    int fLogLevel;
+    static int fMinLogLevel;
 };
 
 typedef unsigned long long timestamp_t;
@@ -46,5 +57,6 @@ timestamp_t get_timestamp();
 
 #define LOG(type) FairMQLogger().Log(FairMQLogger::type)
 #define MQLOG(type) FairMQLogger().Log(FairMQLogger::type)
+#define SET_LOG_LEVEL(loglevel) FairMQLogger::SetLogLevel(FairMQLogger::loglevel)
 
 #endif /* FAIRMQLOGGER_H_ */