add a travis file

test/IXTest.h

@@ -9,6 +9,7 @@
 #include <string>
 #include <vector>
 #include <sstream>
+#include <iostream>
 
 namespace ix
 {
@@ -21,4 +22,32 @@ namespace ix
     // Record and report websocket traffic
     void setupWebSocketTrafficTrackerCallback();
     void reportWebSocketTraffic();
+
+    struct Logger
+    {
+        public:
+            Logger& operator<<(const std::string& msg)
+            {
+                std::lock_guard<std::mutex> lock(_mutex);
+
+                std::cerr << msg;
+                std::cerr << std::endl;
+                return *this;
+            }
+
+            template <typename T>
+            Logger& operator<<(T const& obj)
+            {
+                std::lock_guard<std::mutex> lock(_mutex);
+
+                std::cerr << obj;
+                std::cerr << std::endl;
+                return *this;
+            }
+
+        private:
+            static std::mutex _mutex;
+    };
+
+    void log(const std::string& msg);
 }