commit 5959b014c566ee274fb3c5db7d50e90b59b1c1ac
author Alexander Afanasyev <alexander.afanasyev@ucla.edu> Mon Jun 02 19:18:12 2014 +0300
committer Alexander Afanasyev <alexander.afanasyev@ucla.edu> Wed Jun 04 09:15:03 2014 +0300
tree 8d8e3a1f4ea5c473ea083948df07b3415622679b
parent 251f3c1317465176893d89cb76305b833c94c32e

mgmt: Reinitialize multicast faces and partially reload config file on HUP signal

The following elements from the config file are reloaded:
- effective user/group
- log levels
- multicast faces (enable/disable)
- security

Change-Id: I6ddf124702b30610dd0404d8fbaa9a9d800f02bf
Refs: #1584

core/logger-factory.cpp

diff --git a/core/logger-factory.cpp b/core/logger-factory.cpp
index 61ca866..b0ef3cd 100644
--- a/core/logger-factory.cpp
+++ b/core/logger-factory.cpp
@@ -87,6 +87,25 @@
                              level + "\"");
 }
 
+LogLevel
+LoggerFactory::extractLevel(const ConfigSection& item, const std::string& key)
+{
+  std::string levelString;
+  try
+    {
+      levelString = item.get_value<std::string>();
+    }
+  catch (const boost::property_tree::ptree_error& error)
+    {
+    }
+
+  if (levelString.empty())
+    {
+      throw LoggerFactory::Error("No logging level found for option \"" + key + "\"");
+    }
+
+  return parseLevel(levelString);
+}
 
 void
 LoggerFactory::onConfig(const ConfigSection& section,
@@ -107,33 +126,29 @@
 //   Forwarder WARN
 // }
 
-  // std::cerr << "loading logging configuration" << std::endl;
+  if (!isDryRun)
+    {
+      ConfigSection::const_assoc_iterator item = section.find("default_level");
+      if (item != section.not_found())
+        {
+          LogLevel level = extractLevel(item->second, "default_level");
+          setDefaultLevel(level);
+        }
+      else
+        {
+          setDefaultLevel(LOG_INFO);
+        }
+    }
+
   for (ConfigSection::const_iterator item = section.begin();
        item != section.end();
        ++item)
     {
-      std::string levelString;
-      try
-        {
-          levelString = item->second.get_value<std::string>();
-        }
-      catch (const boost::property_tree::ptree_error& error)
-        {
-        }
-
-      if (levelString.empty())
-        {
-          throw LoggerFactory::Error("No logging level found for option \"" + item->first + "\"");
-        }
-
-      LogLevel level = parseLevel(levelString);
+      LogLevel level = extractLevel(item->second, item->first);
 
       if (item->first == "default_level")
         {
-          if (!isDryRun)
-            {
-              setDefaultLevel(level);
-            }
+          // do nothing
         }
       else
         {