From 9642447fb0c7d10e06452d0d153a1a00d7f60a65 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Fri, 15 Apr 2016 10:01:01 +0200
Subject: Add discard level to Log

---
 src/Log.cpp |  8 ++++++++
 src/Log.h   | 12 ++++++++----
 2 files changed, 16 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/Log.cpp b/src/Log.cpp
index 75380dd..35f3fae 100644
--- a/src/Log.cpp
+++ b/src/Log.cpp
@@ -38,6 +38,10 @@ void Logger::register_backend(LogBackend* backend) {
 
 void Logger::log(log_level_t level, const char* fmt, ...)
 {
+    if (level == discard) {
+        return;
+    }
+
     int size = 100;
     std::string str;
     va_list ap;
@@ -61,6 +65,10 @@ void Logger::log(log_level_t level, const char* fmt, ...)
 
 void Logger::logstr(log_level_t level, std::string message)
 {
+    if (level == discard) {
+        return;
+    }
+
     /* Remove a potential trailing newline.
      * It doesn't look good in syslog
      */
diff --git a/src/Log.h b/src/Log.h
index 2873818..e14ca37 100644
--- a/src/Log.h
+++ b/src/Log.h
@@ -44,10 +44,10 @@
 #define SYSLOG_IDENT "ODR-DabMux"
 #define SYSLOG_FACILITY LOG_LOCAL0
 
-enum log_level_t {debug = 0, info, warn, error, alert, emerg};
+enum log_level_t {debug = 0, info, warn, error, alert, emerg, discard};
 
 static const std::string levels_as_str[] =
-    { "     ", "     ", "WARN ", "ERROR", "ALERT", "EMERG"} ;
+    { "     ", "     ", "WARN ", "ERROR", "ALERT", "EMERG", "-----"} ;
 
 /** Abstract class all backends must inherit from */
 class LogBackend {
@@ -166,13 +166,17 @@ class LogLine {
         // Push the new element into the stringstream
         template <typename T>
         LogLine& operator<<(T s) {
-            os << s;
+            if (level_ != discard) {
+                os << s;
+            }
             return *this;
         }
 
         ~LogLine()
         {
-            logger_->logstr(level_, os.str());
+            if (level_ != discard) {
+                logger_->logstr(level_, os.str());
+            }
         }
 
     private:
-- 
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