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This commit is contained in:
Ahmed Zamil
2021-07-14 05:16:40 +03:00
parent 7971c836b7
commit 737397da11
50 changed files with 6238 additions and 4926 deletions
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293
lib/src/Net/NetworkConnection.dart
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@ -22,6 +22,8 @@ SOFTWARE.
*/
import 'INetworkReceiver.dart';
import '../Core/IDestructible.dart';
import 'Sockets/ISocket.dart';
import 'Sockets/SocketState.dart';
@ -29,178 +31,145 @@ import 'NetworkBuffer.dart';
import '../Data/DC.dart';
import 'Sockets/IPEndPoint.dart';
class NetworkConnection extends IDestructible
{
ISocket _sock;
class NetworkConnection extends IDestructible with INetworkReceiver<ISocket> {
ISocket _sock;
DateTime _lastAction;
DateTime _lastAction;
//public delegate void DataReceivedEvent(NetworkConnection sender, NetworkBuffer data);
//public delegate void ConnectionClosedEvent(NetworkConnection sender);
//public delegate void ConnectionEstablishedEvent(NetworkConnection sender);
//public delegate void DataReceivedEvent(NetworkConnection sender, NetworkBuffer data);
//public delegate void ConnectionClosedEvent(NetworkConnection sender);
//public delegate void ConnectionEstablishedEvent(NetworkConnection sender);
//public event ConnectionEstablishedEvent OnConnect;
//public event DataReceivedEvent OnDataReceived;
//public event ConnectionClosedEvent OnClose;
//public event DestroyedEvent OnDestroy;
//object receivingLock = new object();
//public event ConnectionEstablishedEvent OnConnect;
//public event DataReceivedEvent OnDataReceived;
//public event ConnectionClosedEvent OnClose;
//public event DestroyedEvent OnDestroy;
//object receivingLock = new object();
bool _processing = false;
bool _processing = false;
// to be overridden
void connectionClosed()
{
void destroy() {
// if (connected)
close();
//emitArgs("close", [this]);
//OnDestroy?.Invoke(this);
}
NetworkConnection() {}
ISocket get socket => _sock;
void assign(ISocket socket) {
_lastAction = DateTime.now();
_sock = socket;
socket.receiver = this;
//socket.on("receive", socket_OnReceive);
//socket.on("close", socket_OnClose);
//socket.on("connect", socket_OnConnect);
}
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;
var rt = _sock;
_sock = null;
return rt;
} else
return null;
}
// to be overridden
void dataReceived(NetworkBuffer data) {
emitArgs("dataReceived", [data]);
}
void connected(){
}
void disconnected(){
}
void close() {
try {
if (_sock != null) _sock.close();
} catch (ex) {
//Global.Log("NetworkConenction:Close", LogType.Error, ex.ToString());
}
}
void destroy()
{
// if (connected)
close();
//emitArgs("close", [this]);
//OnDestroy?.Invoke(this);
DateTime get lastAction => _lastAction;
IPEndPoint get remoteEndPoint => _sock?.remoteEndPoint;
IPEndPoint get localEndPoint => _sock?.localEndPoint;
bool get isConnected => _sock.state == SocketState.Established;
void send(DC msg) {
try {
if (_sock != null) {
_lastAction = DateTime.now();
_sock.send(msg);
}
} catch (ex) {
//Console.WriteLine(ex.ToString());
}
}
NetworkConnection()
{
void sendString(String data) {
send(DC.stringToBytes(data));
}
@override
void networkClose(sender) {
disconnected();
emitArgs("close", [this]);
}
@override
void networkConnect(sender) {
connected();
emitArgs("connect", [this]);
}
@override
void networkReceive(sender, NetworkBuffer buffer) {
try {
// Unassigned ?
if (_sock == null) return;
// Closed ?
if (_sock.state == SocketState.Closed ||
_sock.state == SocketState.Terminated) // || !connected)
return;
_lastAction = DateTime.now();
if (!_processing) {
_processing = true;
try {
while (buffer.available > 0 && !buffer.protected)
dataReceived(buffer);
} catch (ex) {}
_processing = false;
}
} catch (ex) {
print(ex);
//Global.Log("NetworkConnection", LogType.Warning, ex.ToString());
}
ISocket get socket => _sock;
void assign(ISocket socket)
{
_lastAction = DateTime.now();
_sock = socket;
socket.on("receive", socket_OnReceive);
socket.on("close", socket_OnClose);
socket.on("connect", socket_OnConnect);
}
void socket_OnConnect()
{
emitArgs("connect", [this]);
}
void socket_OnClose()
{
connectionClosed();
emitArgs("close", [this]);
}
void socket_OnReceive(NetworkBuffer buffer)
{
try
{
// Unassigned ?
if (_sock == null)
return;
// Closed ?
if (_sock.state == SocketState.Closed || _sock.state == SocketState.Terminated) // || !connected)
return;
_lastAction = DateTime.now();
if (!_processing)
{
_processing = true;
try
{
while (buffer.available > 0 && !buffer.protected)
dataReceived(buffer);
}
catch(ex)
{
}
_processing = false;
}
}
catch (ex)
{
print(ex);
//Global.Log("NetworkConnection", LogType.Warning, ex.ToString());
}
}
ISocket unassign()
{
if (_sock != null)
{
// connected = false;
_sock.off("close", socket_OnClose);
_sock.off("connect", socket_OnConnect);
_sock.off("receive", socket_OnReceive);
var rt = _sock;
_sock = null;
return rt;
}
else
return null;
}
void dataReceived(NetworkBuffer data)
{
emitArgs("dataReceived", [data]);
}
void close()
{
try
{
if (_sock != null)
_sock.close();
}
catch(ex)
{
//Global.Log("NetworkConenction:Close", LogType.Error, ex.ToString());
}
}
DateTime get lastAction => _lastAction;
IPEndPoint get remoteEndPoint => _sock?.remoteEndPoint;
IPEndPoint get localEndPoint => _sock?.localEndPoint;
bool get connected => _sock.state == SocketState.Established;
void send(DC msg)
{
try
{
if (_sock != null)
{
_lastAction = DateTime.now();
_sock.send(msg);
}
}
catch (ex)
{
//Console.WriteLine(ex.ToString());
}
}
void sendString(String data)
{
send(DC.stringToBytes(data));
}
}
}
}