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null-safety

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This commit is contained in:
Ahmed Zamil
2021-07-24 13:12:43 +03:00
parent 6be04c39ed
commit 614c6853e3
48 changed files with 3022 additions and 3320 deletions
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33
lib/src/Net/NetworkConnection.dart
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@ -32,9 +32,9 @@ import '../Data/DC.dart';
import 'Sockets/IPEndPoint.dart';
class NetworkConnection extends IDestructible with INetworkReceiver<ISocket> {
ISocket _sock;
ISocket? _sock;
DateTime _lastAction;
DateTime _lastAction = DateTime.now();
//public delegate void DataReceivedEvent(NetworkConnection sender, NetworkBuffer data);
//public delegate void ConnectionClosedEvent(NetworkConnection sender);
@ -48,7 +48,6 @@ class NetworkConnection extends IDestructible with INetworkReceiver<ISocket> {
bool _processing = false;
void destroy() {
// if (connected)
close();
@ -58,7 +57,7 @@ class NetworkConnection extends IDestructible with INetworkReceiver<ISocket> {
NetworkConnection() {}
ISocket get socket => _sock;
ISocket? get socket => _sock;
void assign(ISocket socket) {
_lastAction = DateTime.now();
@ -71,14 +70,14 @@ class NetworkConnection extends IDestructible with INetworkReceiver<ISocket> {
//socket.on("connect", socket_OnConnect);
}
ISocket unassign() {
ISocket? unassign() {
if (_sock != null) {
// connected = false;
// _sock.off("close", socket_OnClose);
// _sock.off("connect", socket_OnConnect);
// _sock.off("receive", socket_OnReceive);
_sock.receiver = null;
_sock?.receiver = null;
var rt = _sock;
_sock = null;
@ -92,17 +91,13 @@ class NetworkConnection extends IDestructible with INetworkReceiver<ISocket> {
emitArgs("dataReceived", [data]);
}
void connected(){
void connected() {}
}
void disconnected(){
}
void disconnected() {}
void close() {
try {
if (_sock != null) _sock.close();
if (_sock != null) _sock?.close();
} catch (ex) {
//Global.Log("NetworkConenction:Close", LogType.Error, ex.ToString());
@ -111,17 +106,17 @@ class NetworkConnection extends IDestructible with INetworkReceiver<ISocket> {
DateTime get lastAction => _lastAction;
IPEndPoint get remoteEndPoint => _sock?.remoteEndPoint;
IPEndPoint? get remoteEndPoint => _sock?.remoteEndPoint;
IPEndPoint get localEndPoint => _sock?.localEndPoint;
IPEndPoint? get localEndPoint => _sock?.localEndPoint;
bool get isConnected => _sock.state == SocketState.Established;
bool get isConnected => _sock?.state == SocketState.Established;
void send(DC msg) {
try {
if (_sock != null) {
_lastAction = DateTime.now();
_sock.send(msg);
_sock?.send(msg);
}
} catch (ex) {
//Console.WriteLine(ex.ToString());
@ -151,8 +146,8 @@ class NetworkConnection extends IDestructible with INetworkReceiver<ISocket> {
if (_sock == null) return;
// Closed ?
if (_sock.state == SocketState.Closed ||
_sock.state == SocketState.Terminated) // || !connected)
if (_sock?.state == SocketState.Closed ||
_sock?.state == SocketState.Terminated) // || !connected)
return;
_lastAction = DateTime.now();