Reusable address

[matheusmorett2]

How can i set reusable address to avoid Address already in use?

[Rapsssito]

Currently there is no possibility for reusable address. Sorry about that.

[matheusmorett2]

Maybe i can help you with this issue. How do you recreate the socket connection?

[Rapsssito]

@matheusmorett2 feel free to open a PR with this feature! Look at the Obj-C and Java code for more information about the socket creation.

react-native-tcp-socket/android/src/main/java/com/asterinet/react/tcpsocket/TcpSocketClient.java

Lines 32 to 48 in de2124a

	public TcpSocketClient(final TcpReceiverTask.OnDataReceivedListener receiverListener, final Integer id,
	final String address, final Integer port, final String localAddress, final int localPort, final Network network)
	throws IOException {
	this.id = id;
	// Get the addresses
	InetAddress localInetAddress = InetAddress.getByName(localAddress);
	InetAddress remoteInetAddress = InetAddress.getByName(address);
	// Create the socket
	socket = new Socket();
	if (network != null)
	network.bindSocket(socket);
	socket.setReuseAddress(true);
	socket.bind(new InetSocketAddress(localInetAddress, localPort));
	socket.connect(new InetSocketAddress(remoteInetAddress, port));
	receiverTask = new TcpReceiverTask();
	receiverTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, new Pair<>(this, receiverListener));
	}

react-native-tcp-socket/ios/TcpSocketClient.m

Lines 55 to 89 in de2124a

	- (BOOL)connect:(NSString *)host port:(int)port withOptions:(NSDictionary *)options error:(NSError **)error
	{
	if (_tcpSocket) {
	if (error) {
	*error = [self badInvocationError:@"this client's socket is already connected"];
	}
	return false;
	}
	_tcpSocket = [[GCDAsyncSocket alloc] initWithDelegate:self delegateQueue:[self methodQueue]];
	[_tcpSocket setUserData: _id];
	BOOL result = false;
	NSString *localAddress = (options?options[@"localAddress"]:nil);
	NSNumber *localPort = (options?options[@"localPort"]:nil);
	if (!localAddress && !localPort) {
	result = [_tcpSocket connectToHost:host onPort:port error:error];
	} else {
	NSMutableArray *interface = [NSMutableArray arrayWithCapacity:2];
	[interface addObject: localAddress?localAddress:@""];
	if (localPort) {
	[interface addObject:[localPort stringValue]];
	}
	result = [_tcpSocket connectToHost:host
	onPort:port
	viaInterface:[interface componentsJoinedByString:@":"]
	withTimeout:-1
	error:error];
	}
	return result;
	}

[Rapsssito]

@matheusmorett2, I have created a PR (#17) for this feature. Feel free to contribute there!