wildfire chat server source initial submit

wildfire_jmeter/src/main/java/net/xmeter/samplers/SendMessageCallback.java

@@ -0,0 +1,54 @@
+package net.xmeter.samplers;
+
+import org.apache.jorphan.logging.LoggingManager;
+import org.apache.log.Logger;
+import org.apache.log.Priority;
+import org.fusesource.mqtt.client.Callback;
+
+public class SendMessageCallback implements Callback<byte[]>{
+	private static Logger logger = LoggingManager.getLoggerForClass();
+	private boolean successful = false;
+	private Object connLock;
+	private int errorCode;
+	
+	public SendMessageCallback(Object connLock) {
+		this.connLock = connLock;
+	}
+	
+	@Override
+	public void onSuccess(byte[] value) {
+		//If QoS == 0, then the current thread is the same thread of caller thread.
+		//Else if QoS == 1 | 2, then the current thread is hawtdispatch-DEFAULT-x
+        if (value != null && value.length > 0) {
+            errorCode = value[0]&0xff;
+        } else {
+            onFailure(new Throwable("Send message with invalid data back"));
+            return;
+        }
+        if (errorCode != 0) {
+            onFailure(new Throwable("Send message failure with error code(" + errorCode + ")"));
+            return;
+        }
+		synchronized (connLock) {
+			this.successful = true;
+			connLock.notify();
+		}
+	}
+	
+	@Override
+	public void onFailure(Throwable value) {
+		synchronized (connLock) {
+			this.successful = false;
+			logger.log(Priority.ERROR, value.getMessage(), value);
+			connLock.notify();
+		}
+	}
+
+	public boolean isSuccessful() {
+		return successful;
+	}
+
+    public int getErrorCode() {
+        return errorCode;
+    }
+}