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Code Issues Projects Releases Wiki Activity

1.4.5

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This commit is contained in:
Ahmed Zamil
2022-01-03 15:39:19 +03:00
parent 614c6853e3
commit eed16df29a
20 changed files with 521 additions and 443 deletions
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302
lib/src/Net/IIP/DistributedConnection.dart
View File

@@ -22,6 +22,8 @@ SOFTWARE.
*/
import '../Sockets/WSocket.dart';
import '../../Resource/Template/TemplateDescriber.dart';
import '../../Resource/Template/TemplateType.dart';
import '../../Security/Authority/AuthenticationMethod.dart';
@@ -161,7 +163,7 @@ class DistributedConnection extends NetworkConnection with IStore {
/// Send data to the other end as parameters
/// </summary>
/// <param name="values">Values will be converted to bytes then sent.</param>
SendList sendParams([AsyncReply<List<dynamic>>? reply = null]) {
SendList sendParams([AsyncReply<List<dynamic>?>? reply = null]) {
return new SendList(this, reply);
}
@@ -188,6 +190,11 @@ class DistributedConnection extends NetworkConnection with IStore {
var domain = instance?.attributes["domain"] ?? address;
var ws = instance?.attributes.containsKey("ws") == true ||
instance?.attributes.containsKey("wss") == true;
var secure = instance?.attributes.containsKey("secure") == true ||
instance?.attributes.containsKey("wss") == true;
if (instance?.attributes.containsKey("username") == true &&
instance?.attributes.containsKey("password") == true) {
var username = instance?.attributes["username"] as String;
@@ -200,7 +207,9 @@ class DistributedConnection extends NetworkConnection with IStore {
hostname: address,
port: port,
passwordOrToken: password,
username: username);
username: username,
useWebsocket: ws,
secureWebSocket: secure);
} else if (instance?.attributes.containsKey("token") == true) {
var token = DC.stringToBytes(instance?.attributes["token"] ?? "");
var tokenIndex = instance?.attributes["tokenIndex"] ?? 0;
@@ -210,13 +219,17 @@ class DistributedConnection extends NetworkConnection with IStore {
hostname: address,
port: port,
passwordOrToken: token,
tokenIndex: tokenIndex);
tokenIndex: tokenIndex,
useWebsocket: ws,
secureWebSocket: secure);
} else {
return connect(
method: AuthenticationMethod.None,
hostname: address,
port: port,
domain: domain);
domain: domain,
useWebsocket: ws,
secureWebSocket: secure);
}
}
@@ -231,7 +244,9 @@ class DistributedConnection extends NetworkConnection with IStore {
String? username,
int? tokenIndex,
DC? passwordOrToken,
String? domain}) {
String? domain,
bool useWebsocket = false,
bool secureWebSocket = false}) {
if (_openReply != null)
throw AsyncException(ErrorType.Exception, 0, "Connection in progress");
@@ -251,19 +266,26 @@ class DistributedConnection extends NetworkConnection with IStore {
if (_session == null)
throw AsyncException(ErrorType.Exception, 0, "Session not initialized");
if (socket == null) socket = new TCPSocket();
if (socket == null) {
if (useWebsocket) {
socket = new WSocket()..secure = secureWebSocket;
} else
socket = new TCPSocket();
}
_port = port ?? _port;
_hostname = hostname ?? _hostname;
if (_hostname == null) throw Exception("Host not specified.");
socket.connect(_hostname as String, _port).then<dynamic>((x) {
assign(socket as ISocket);
}).error((x) {
_openReply?.triggerError(x);
_openReply = null;
});
if (socket != null) {
socket.connect(_hostname as String, _port).then<dynamic>((x) {
assign(socket as ISocket);
}).error((x) {
_openReply?.triggerError(x);
_openReply = null;
});
}
return _openReply as AsyncReply<bool>;
}
@@ -961,7 +983,7 @@ class DistributedConnection extends NetworkConnection with IStore {
/// <param name="args">Arguments to send.</param>
/// <returns></returns>
SendList sendRequest(int action) {
var reply = new AsyncReply<List<dynamic>>();
var reply = new AsyncReply<List<dynamic>?>();
var c = _callbackCounter++; // avoid thread racing
_requests.add(c, reply);
@@ -2248,10 +2270,14 @@ class DistributedConnection extends NetworkConnection with IStore {
(sendRequest(IIPPacketAction.TemplateFromClassId)..addGuid(classId)).done()
..then((rt) {
_templateRequests.remove(classId);
_templates[(rt[0] as TypeTemplate).classId] = rt[0] as TypeTemplate;
Warehouse.putTemplate(rt[0] as TypeTemplate);
reply.trigger(rt[0]);
if (rt != null) {
_templateRequests.remove(classId);
_templates[(rt[0] as TypeTemplate).classId] = rt[0] as TypeTemplate;
Warehouse.putTemplate(rt[0] as TypeTemplate);
reply.trigger(rt[0]);
} else {
reply.triggerError(Exception("Null response"));
}
})
..error((ex) {
reply.triggerError(ex);
@@ -2301,24 +2327,28 @@ class DistributedConnection extends NetworkConnection with IStore {
..addUint16(l.length)
..addDC(l))
.done()
..then((rt) {
List<TypeTemplate> templates = [];
// parse templates
..then((rt) {
List<TypeTemplate> templates = [];
// parse templates
DC data = rt[0];
//var offset = 0;
for (int offset = 0; offset < data.length;) {
var cs = data.getUint32(offset);
offset += 4;
templates.add(TypeTemplate.parse(data, offset, cs));
offset += cs;
}
if (rt != null) {
DC data = rt[0];
//var offset = 0;
for (int offset = 0; offset < data.length;) {
var cs = data.getUint32(offset);
offset += 4;
templates.add(TypeTemplate.parse(data, offset, cs));
offset += cs;
}
} else {
reply.triggerError(Exception("Null response"));
}
reply.trigger(templates);
})
..error((ex) {
reply.triggerError(ex);
});
reply.trigger(templates);
})
..error((ex) {
reply.triggerError(ex);
});
return reply;
}
@@ -2347,55 +2377,59 @@ class DistributedConnection extends NetworkConnection with IStore {
(sendRequest(IIPPacketAction.AttachResource)..addUint32(id)).done()
..then((rt) {
// @TODO: Generator code
DistributedResource dr;
if (rt != null) {
// @TODO: Generator code
DistributedResource dr;
if (resource == null) {
var template =
Warehouse.getTemplateByClassId(rt[0], TemplateType.Wrapper);
if (template?.definedType != null) {
dr = Warehouse.createInstance(template?.definedType as Type);
dr.internal_init(this, id, rt[1], rt[2]);
} else {
dr = new DistributedResource();
dr.internal_init(this, id, rt[1], rt[2]);
}
} else
dr = resource;
//var dr = resource ?? new DistributedResource(this, id, rt[1], rt[2]);
getTemplate(rt[0] as Guid)
..then((tmp) {
//print("New template ");
var d = rt[3] as DC;
// ClassId, ResourceAge, ResourceLink, Content
if (resource == null) {
Warehouse.put(id.toString(), dr, this, null, tmp)
..then((ok) {
Codec.parsePropertyValueArray(d, 0, d.length, this)
.then((ar) {
//print("attached");
dr.internal_attach(ar);
_resourceRequests.remove(id);
reply.trigger(dr);
});
})
..error((ex) => reply.triggerError(ex));
if (resource == null) {
var template =
Warehouse.getTemplateByClassId(rt[0], TemplateType.Wrapper);
if (template?.definedType != null) {
dr = Warehouse.createInstance(template?.definedType as Type);
dr.internal_init(this, id, rt[1], rt[2]);
} else {
Codec.parsePropertyValueArray(d, 0, d.length, this).then((ar) {
//print("attached");
if (ar != null) dr.internal_attach(ar);
_resourceRequests.remove(id);
reply.trigger(dr);
});
dr = new DistributedResource();
dr.internal_init(this, id, rt[1], rt[2]);
}
})
..error((ex) {
reply.triggerError(ex);
});
} else
dr = resource;
//var dr = resource ?? new DistributedResource(this, id, rt[1], rt[2]);
getTemplate(rt[0] as Guid)
..then((tmp) {
//print("New template ");
var d = rt[3] as DC;
// ClassId, ResourceAge, ResourceLink, Content
if (resource == null) {
Warehouse.put(id.toString(), dr, this, null, tmp)
..then((ok) {
Codec.parsePropertyValueArray(d, 0, d.length, this)
.then((ar) {
//print("attached");
dr.internal_attach(ar);
_resourceRequests.remove(id);
reply.trigger(dr);
});
})
..error((ex) => reply.triggerError(ex));
} else {
Codec.parsePropertyValueArray(d, 0, d.length, this).then((ar) {
//print("attached");
if (ar != null) dr.internal_attach(ar);
_resourceRequests.remove(id);
reply.trigger(dr);
});
}
})
..error((ex) {
reply.triggerError(ex);
});
} else {
reply.triggerError(Exception("Null response"));
}
})
..error((ex) {
reply.triggerError(ex);
@@ -2410,10 +2444,14 @@ class DistributedConnection extends NetworkConnection with IStore {
sendRequest(IIPPacketAction.ResourceChildren)
..addUint32(resource.instance?.id as int)
..done().then<dynamic>((ar) {
var d = ar[0] as DC;
Codec.parseResourceArray(d, 0, d.length, this).then((resources) {
rt.trigger(resources);
}).error((ex) => rt.triggerError(ex));
if (ar != null) {
var d = ar[0] as DC;
Codec.parseResourceArray(d, 0, d.length, this).then((resources) {
rt.trigger(resources);
}).error((ex) => rt.triggerError(ex));
} else {
rt.triggerError(Exception("Null response"));
}
});
return rt;
@@ -2425,11 +2463,15 @@ class DistributedConnection extends NetworkConnection with IStore {
sendRequest(IIPPacketAction.ResourceParents)
..addUint32((resource.instance as Instance).id)
..done().then<dynamic>((ar) {
var d = ar[0] as DC;
Codec.parseResourceArray(d, 0, d.length, this)
.then<dynamic>((resources) {
rt.trigger(resources);
}).error((ex) => rt.triggerError(ex));
if (ar != null) {
var d = ar[0] as DC;
Codec.parseResourceArray(d, 0, d.length, this)
.then<dynamic>((resources) {
rt.trigger(resources);
}).error((ex) => rt.triggerError(ex));
} else {
rt.triggerError(Exception("Null response"));
}
});
return rt;
@@ -2443,8 +2485,8 @@ class DistributedConnection extends NetworkConnection with IStore {
(sendRequest(IIPPacketAction.ClearAllAttributes)
..addUint32(resource.instance?.id as int))
.done()
..then((ar) => rt.trigger(true))
..error((ex) => rt.triggerError(ex));
..then((ar) => rt.trigger(true))
..error((ex) => rt.triggerError(ex));
else {
var attrs = DC.stringArrayToBytes(attributes);
(sendRequest(IIPPacketAction.ClearAttributes)
@@ -2452,8 +2494,8 @@ class DistributedConnection extends NetworkConnection with IStore {
..addInt32(attrs.length)
..addDC(attrs))
.done()
..then<dynamic>((ar) => rt.trigger(true))
..error((ex) => rt.triggerError(ex));
..then<dynamic>((ar) => rt.trigger(true))
..error((ex) => rt.triggerError(ex));
}
return rt;
@@ -2483,15 +2525,19 @@ class DistributedConnection extends NetworkConnection with IStore {
(sendRequest(IIPPacketAction.GetAllAttributes)
..addUint32(resource.instance?.id as int))
.done()
..then((ar) {
var d = ar[0] as DC;
Codec.parseStructure(d, 0, d.length, this)
..then((st) {
resource.instance?.setAttributes(st);
rt.trigger(st);
})
..error((ex) => rt.triggerError(ex));
});
..then((ar) {
if (ar != null) {
var d = ar[0] as DC;
Codec.parseStructure(d, 0, d.length, this)
..then((st) {
resource.instance?.setAttributes(st);
rt.trigger(st);
})
..error((ex) => rt.triggerError(ex));
} else {
rt.triggerError(Exception("Null response"));
}
});
} else {
var attrs = DC.stringArrayToBytes(attributes);
(sendRequest(IIPPacketAction.GetAttributes)
@@ -2499,16 +2545,20 @@ class DistributedConnection extends NetworkConnection with IStore {
..addInt32(attrs.length)
..addDC(attrs))
.done()
..then((ar) {
var d = ar[0] as DC;
Codec.parseStructure(d, 0, d.length, this)
..then((st) {
resource.instance?.setAttributes(st);
..then((ar) {
if (ar != null) {
var d = ar[0] as DC;
Codec.parseStructure(d, 0, d.length, this)
..then((st) {
resource.instance?.setAttributes(st);
rt.trigger(st);
})
..error((ex) => rt.triggerError(ex));
});
rt.trigger(st);
})
..error((ex) => rt.triggerError(ex));
} else {
rt.triggerError(Exception("Null response"));
}
});
}
return rt;
@@ -2538,10 +2588,14 @@ class DistributedConnection extends NetworkConnection with IStore {
..addDateTime(fromDate)
..addDateTime(toDate)
..done().then<dynamic>((rt) {
var content = rt[0] as DC;
if (rt != null) {
var content = rt[0] as DC;
Codec.parseHistory(content, 0, content.length, resource, this)
.then((history) => reply.trigger(history));
Codec.parseHistory(content, 0, content.length, resource, this)
.then((history) => reply.trigger(history));
} else {
reply.triggerError(Exception("Null response"));
}
}).error((ex) => reply.triggerError(ex));
return reply;
@@ -2563,10 +2617,14 @@ class DistributedConnection extends NetworkConnection with IStore {
..addUint16(str.length)
..addDC(str)
..done().then<dynamic>((args) {
var content = args[0] as DC;
if (args != null) {
var content = args[0] as DC;
Codec.parseResourceArray(content, 0, content.length, this)
.then((resources) => reply.trigger(resources));
Codec.parseResourceArray(content, 0, content.length, this)
.then((resources) => reply.trigger(resources));
} else {
reply.triggerError(Exception("Null response"));
}
}).error((ex) => reply.triggerError(ex));
return reply;
@@ -2602,11 +2660,15 @@ class DistributedConnection extends NetworkConnection with IStore {
(sendRequest(IIPPacketAction.CreateResource)..addDC(pkt.toDC())).done()
..then((args) {
var rid = args[0];
if (args != null) {
var rid = args[0];
fetch(rid).then((r) {
reply.trigger(r);
});
fetch(rid).then((r) {
reply.trigger(r);
});
} else {
reply.triggerError(Exception("Null response"));
}
});
return reply;

13
lib/src/Net/IIP/DistributedResource.dart
View File

@@ -22,6 +22,7 @@ SOFTWARE.
*/
import 'dart:async';
import '../../Resource/Instance.dart';
@@ -371,12 +372,12 @@ class DistributedResource extends IResource {
..addUint8(index)
..addDC(parameters))
.done()
..then((res) {
// not really needed, server will always send property modified,
// this only happens if the programmer forgot to emit in property setter
_properties[index] = value;
reply.trigger(null);
});
..then((res) {
// not really needed, server will always send property modified,
// this only happens if the programmer forgot to emit in property setter
_properties[index] = value;
reply.trigger(null);
});
return reply;
}

4
lib/src/Net/SendList.dart
View File

@@ -4,12 +4,12 @@ import 'NetworkConnection.dart';
class SendList extends BinaryList {
NetworkConnection connection;
AsyncReply<List<dynamic>>? reply;
AsyncReply<List<dynamic>?>? reply;
SendList(this.connection, this.reply) {}
@override
AsyncReply<List<dynamic>> done() {
AsyncReply<List<dynamic>?> done() {
connection.send(super.toDC());
return reply ?? AsyncReply.ready([]);

164
lib/src/Net/Sockets/WSocket.dart Normal file
View File

@@ -0,0 +1,164 @@
/*
Copyright (c) 2019 Ahmed Kh. Zamil
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
import 'dart:io';
//import 'package:web_socket_channel/io.dart' as WS;
import 'package:web_socket_channel/io.dart';
import '../../Core/ErrorType.dart';
import '../../Core/ExceptionCode.dart';
import '../../Core/AsyncException.dart';
import 'ISocket.dart';
import '../../Data/DC.dart';
import '../NetworkBuffer.dart';
import 'SocketState.dart';
import 'IPEndPoint.dart';
import '../../Core/AsyncReply.dart';
class WSocket extends ISocket {
WebSocket? _sock;
IOWebSocketChannel? _channel;
NetworkBuffer receiveNetworkBuffer = new NetworkBuffer();
bool began = false;
bool secure = false;
SocketState _state = SocketState.Initial;
IPEndPoint? _localEP, _remoteEP;
bool begin() {
if (began) return false;
began = true;
if (_sock != null) {
var s = _sock as Socket;
_localEP = IPEndPoint(s.address.rawAddress, s.port);
_remoteEP = IPEndPoint(s.remoteAddress.rawAddress, s.remotePort);
}
return true;
}
void dataHandler(List<int> data) {
try {
if (_state == SocketState.Closed || _state == SocketState.Terminated)
return;
var dc = new DC.fromList(data);
receiveNetworkBuffer.write(dc, 0, dc.length);
receiver?.networkReceive(this, receiveNetworkBuffer);
} catch (ex) {
if (_state != SocketState.Closed) // && !sock.connected)
{
_state = SocketState.Terminated;
close();
}
}
}
void errorHandler(error, StackTrace trace) {
print(error);
}
void doneHandler() {
close();
//_sock?.destroy();
}
AsyncReply<bool> connect(String hostname, int port) {
var rt = new AsyncReply<bool>();
try {
_state = SocketState.Connecting;
WebSocket.connect("${secure ? 'wss' : 'ws'}://${hostname}:${port}'")
.then((s) {
_sock = s;
_state = SocketState.Established;
_channel = IOWebSocketChannel(s);
begin();
receiver?.networkConnect(this);
rt.trigger(true);
}).catchError((ex) {
close();
rt.triggerError(AsyncException(ErrorType.Management,
ExceptionCode.HostNotReachable.index, ex.toString()));
});
} catch (ex) {
rt.triggerError(AsyncException(ErrorType.Management,
ExceptionCode.HostNotReachable.index, ex.toString()));
}
return rt;
}
IPEndPoint? get localEndPoint => _localEP;
IPEndPoint? get remoteEndPoint => _remoteEP;
SocketState get state => _state;
TCPSocket() {
// default constructor
}
void close() {
if (state != SocketState.Closed && state != SocketState.Terminated)
_state = SocketState.Closed;
_sock?.close();
receiver?.networkClose(this);
//emitArgs("close", []);
}
void send(DC message, [int? offset, int? size]) {
if (state == SocketState.Established) {
if (offset != null && size == null) {
_channel?.sink
.add(message.clip(offset, message.length - offset).toList());
} else if (offset != null && size != null) {
_channel?.sink.add(message.clip(offset, size).toList());
} else {
_channel?.sink.add(message.toList());
}
}
}
void destroy() {
close();
emitArgs("destroy", [this]);
}
AsyncReply<ISocket> accept() {
var reply = new AsyncReply<ISocket>();
return reply;
}
}

192
lib/src/Net/Sockets/Websocket.dart
View File

@@ -1,192 +0,0 @@
/*
Copyright (c) 2019 Ahmed Kh. Zamil
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
/*
import 'dart:io';
import 'ISocket.dart';
import '../../Data/DC.dart';
import '../NetworkBuffer.dart';
import 'SocketState.dart';
import 'IPEndPoint.dart';
import '../../Core/AsyncReply.dart';
import 'package:web_socket_channel/io.dart';
import 'package:web_socket_channel/web_socket_channel.dart';
import 'package:web_socket_channel/status.dart' as status;
class WSSocket extends ISocket
{
WebSocketChannel sock;
NetworkBuffer receiveNetworkBuffer = new NetworkBuffer();
bool began = false;
SocketState _state = SocketState.Initial;
IPEndPoint _localEP, _remoteEP;
bool begin()
{
if (began)
return false;
began = true;
_localEP = IPEndPoint(sock. address.rawAddress, sock.port);
_remoteEP = IPEndPoint(sock.remoteAddress.rawAddress, sock.remotePort);
return true;
}
void dataHandler(List<int> data){
//print(new String.fromCharCodes(data).trim());
try
{
if (_state == SocketState.Closed || _state == SocketState.Terminated)
return;
var dc = new DC.fromList(data);
receiveNetworkBuffer.write(dc, 0, dc.length);
emitArgs("receive", [receiveNetworkBuffer]);
}
catch (ex)
{
if (_state != SocketState.Closed)// && !sock.connected)
{
_state = SocketState.Terminated;
close();
}
}
}
void errorHandler(error, StackTrace trace){
print(error);
}
void doneHandler(){
sock.destroy();
}
AsyncReply<bool> connect(String hostname, int port)
{
var rt = new AsyncReply<bool>();
try
{
_state = SocketState.Connecting;
WebSocket()
prefix0.WebSocket(url)
IOWebSocketChannel.
Socket.connect(hostname, port).then((s){
sock = s;
s.listen(dataHandler,
onError: errorHandler,
onDone: doneHandler,
cancelOnError: false);
_state = SocketState.Established;
emitArgs("connect", []);
begin();
rt.trigger(true);
}).catchError((ex){
close();
rt.triggerError(ex);
});
}
catch(ex)
{
rt.triggerError(ex);
}
return rt;
}
IPEndPoint get localEndPoint => _localEP;
IPEndPoint get remoteEndPoint => _remoteEP;
SocketState get state => _state;
TCPSocket.fromSocket(Socket socket)
{
sock = socket;
//if (socket.)
// _state = SocketState.Established;
}
TCPSocket()
{
// default constructor
}
void close()
{
if (state != SocketState.Closed && state != SocketState.Terminated)
_state = SocketState.Closed;
sock?.close();
emitArgs("close", []);
}
void send(DC message, [int offset, int size])
{
if (state == SocketState.Established)
sock.add(message.toList());
}
void destroy()
{
close();
emitArgs("destroy", [this]);
}
AsyncReply<ISocket> accept()
{
var reply = new AsyncReply<ISocket>();
return reply;
}
}
*/