Fixed some memory leaks based on valgrind.

Removed some dead code from Guid.

Bridge/BridgeConfig.cpp

 #include "BridgeConfig.h"
 #include "Common/Log.h"
 
+#include <memory>
+#include <mutex>
 #include <string>
 #include <sstream>
 #include <string.h>
@@ -145,6 +147,23 @@ namespace
     DSBLOG_INFO("%s == %s", xpath, content.c_str());
     return content;
   }
+
+  class LibXmlInitializer
+  {
+  public:
+    LibXmlInitializer()
+    {
+      xmlInitParser();
+    }
+
+    ~LibXmlInitializer()
+    {
+      xmlCleanupParser();
+    }
+  };
+
+  std::once_flag libXmlInit;
+  std::shared_ptr<LibXmlInitializer> libXmlInitializer;
 }
 
 bridge::BridgeConfig::BridgeConfig()
@@ -166,7 +185,10 @@ bridge::BridgeConfig::FromFile(std::string const& fileName)
 
   m_fileName = fileName;
   installXmlLogger();
-  xmlInitParser();
+
+  std::call_once(libXmlInit, [] {
+    if (!libXmlInitializer) libXmlInitializer.reset(new LibXmlInitializer());
+  });
 
   xmlDocPtr doc = xmlParseFile(m_fileName.c_str());
   if (!doc)

Common/Guid.cpp

@@ -14,13 +14,6 @@ common::Guid::Guid(uuid_t id)
 common::Guid
 common::Guid::NewGuid()
 {
-#ifdef __linux__
-  char id[17];
-  memset(id, 0, sizeof(id));
-#else
-  uuid_string_t id;
-#endif
-
   uuid_t uuid;
   uuid_generate_random(uuid);
   return Guid(uuid);
@@ -33,10 +26,9 @@ common::Guid::Parse(char const* s)
     return Guid::Null();
 
   uuid_t id;
-  if (uuid_parse(s, id) == 0)
-    return Guid(id);
-  else
-    return Guid::Null();
+  return (uuid_parse(s, id) == 0)
+    ? Guid(id)
+    : Guid::Null();
 }
 
 common::Guid const&