public void run() {
while (!interrupted()) {
try {
if (c.isConnected()) recvCommand();
} catch (IOException e) {
System.err.println("ReceiveThread: Connection Object IO error"); // ACTION
System.exit(1);
}
}
}
/**
* Closes all existing connections
*
* @param callbackContext
*/
private void disconnectAll(CallbackContext callbackContext) {
// building iterator
Iterator<Entry<String, Connection>> it = this.pool.entrySet().iterator();
while (it.hasNext()) {
// retrieving object
Map.Entry<String, Connection> pairs = (Entry<String, Connection>) it.next();
Connection socket = pairs.getValue();
// checking connection
if (socket.isConnected()) {
socket.close();
}
// removing from pool
this.pool.remove(pairs.getKey());
}
callbackContext.success("All connections were closed.");
}
/**
* Send information to target host
*
* @param args
* @param callbackContext
*/
private void send(JSONArray args, CallbackContext callbackContext) {
Connection socket;
// validating parameters
if (args.length() < 2) {
callbackContext.error("Missing arguments when calling 'send' action.");
} else {
try {
// retrieving parameters
String key = args.getString(0);
String data = args.getString(1);
// getting socket
socket = this.pool.get(key);
// checking if socket was not found and his connectivity
if (socket == null) {
callbackContext.error("No connection found with host " + key);
} else if (!socket.isConnected()) {
callbackContext.error("Invalid connection with host " + key);
} else if (data.length() == 0) {
callbackContext.error("Cannot send empty data to " + key);
} else {
// write on output stream
socket.write(data);
// ending send process
callbackContext.success();
}
} catch (JSONException e) {
callbackContext.error("Unexpected error sending information: " + e.getMessage());
}
}
}
/**
* Closes an existing connection
*
* @param args
* @param callbackContext
*/
private void disconnect(JSONArray args, CallbackContext callbackContext) {
String key;
Connection socket;
// validating parameters
if (args.length() < 1) {
callbackContext.error("Missing arguments when calling 'disconnect' action.");
} else {
try {
// preparing parameters
key = args.getString(0);
// getting connection from pool
socket = pool.get(key);
// closing socket
if (socket != null) {
// checking connection
if (socket.isConnected()) {
socket.close();
}
// removing from pool
pool.remove(key);
}
// ending with success
callbackContext.success("Disconnected from " + key);
} catch (JSONException e) {
callbackContext.error("Invalid parameters for 'connect' action:" + e.getMessage());
}
}
}