/****************************************************************************
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**
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** Copyright (C) 2018 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt VS Tools.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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using System;
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using System.Runtime.Serialization;
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namespace QtVsTools.Qml.Debug.V4
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{
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using Json;
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[DataContract]
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class Message : Serializable<Message>
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{
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// <message type>
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// ...
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protected Message()
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{ }
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public static T Create<T>(ProtocolDriver driver)
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where T : Message, new()
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{
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return new T { Driver = driver };
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}
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public static bool Send<T>(ProtocolDriver driver, Action<T> initMsg = null)
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where T : Message, new()
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{
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T _this = Create<T>(driver);
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if (initMsg != null)
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initMsg(_this);
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return _this.Send();
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}
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public string Type { get; set; }
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protected sealed override void InitializeObject(object initArgs)
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{
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if (initArgs is string)
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Type = initArgs as string;
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}
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protected override bool? IsCompatible(Message that)
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{
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System.Diagnostics.Debug.Assert(IsPrototype);
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if (that == null)
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return false;
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if (string.IsNullOrEmpty(Type))
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return null;
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return (this.Type == that.Type);
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}
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protected ProtocolDriver Driver { get; private set; }
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public virtual bool Send()
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{
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return Driver.SendMessage(this);
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}
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}
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[DataContract]
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class Request : Message
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{
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// "v8request"
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// { "seq" : <number>,
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// "type" : "request",
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// "command" : <command>
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// ...
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// }
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public const string MSG_TYPE = "v8request";
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public const string MSG_SUBTYPE = "request";
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protected Request() : base()
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{
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Type = MSG_TYPE;
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SubType = MSG_SUBTYPE;
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}
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[DataMember(Name = "type")]
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public string SubType { get; set; }
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[DataMember(Name = "command")]
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public string Command { get; set; }
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[DataMember(Name = "seq")]
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public int SequenceNum { get; set; }
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protected override bool? IsCompatible(Message msg)
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{
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System.Diagnostics.Debug.Assert(IsPrototype);
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if (base.IsCompatible(msg) == false)
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return false;
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var that = msg as Request;
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if (that == null)
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return null;
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if (string.IsNullOrEmpty(SubType))
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return null;
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if (string.IsNullOrEmpty(Command))
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return null;
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return this.SubType == that.SubType && this.Command == that.Command;
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}
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Response response = null;
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public Response Response
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{
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get { return response; }
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set { Atomic(() => response == null, () => response = value); }
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}
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object tag = null;
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public object Tag
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{
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get { return tag; }
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set { Atomic(() => tag == null, () => tag = value); }
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}
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public virtual ProtocolDriver.PendingRequest SendAsync()
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{
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return Driver.SendRequest(this);
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}
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public new Response Send()
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{
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return SendAsync().WaitForResponse();
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}
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public static new Response Send<T>(ProtocolDriver driver, Action<T> initMsg = null)
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where T : Request, new()
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{
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T _this = Create<T>(driver);
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if (initMsg != null)
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initMsg(_this);
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return _this.Send();
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}
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}
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[DataContract]
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[SkipDeserialization]
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class Request<TResponse> : Request
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where TResponse : Response
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{
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public new TResponse Response
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{ get { return base.Response as TResponse; } }
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public new virtual TResponse Send()
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{
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var pendingRequest = SendAsync();
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if (!pendingRequest.RequestSent)
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return null;
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if (pendingRequest.WaitForResponse() == null)
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return null;
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return Response;
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}
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}
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[DataContract]
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[SkipDeserialization]
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class Request<TResponse, TArgs> : Request<TResponse>
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where TResponse : Response
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where TArgs : class, new()
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{
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[DataMember(Name = "arguments", EmitDefaultValue = false)]
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TArgs args = null;
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public virtual TArgs Arguments
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{
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get { return ThreadSafe(() => (args != null) ? args : (args = new TArgs())); }
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set { args = value; }
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}
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}
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[DataContract]
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class ServerMessage : Message
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{
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// "v8message"
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// { "seq" : <number>,
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// "type" : <string>
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// ...
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// }
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public const string MSG_TYPE = "v8message";
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protected ServerMessage() : base()
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{
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Type = MSG_TYPE;
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}
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[DataMember(Name = "type")]
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public string SubType { get; set; }
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[DataMember(Name = "seq")]
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public int SequenceNum { get; set; }
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protected override bool? IsCompatible(Message msg)
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{
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System.Diagnostics.Debug.Assert(IsPrototype);
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if (base.IsCompatible(msg) == false)
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return false;
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var that = msg as ServerMessage;
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if (that == null)
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return null;
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if (string.IsNullOrEmpty(SubType))
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return null;
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return this.SubType == that.SubType;
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}
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}
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[DataContract]
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class Response : ServerMessage
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{
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// "v8message"
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// { "seq" : <number>,
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// "type" : "response",
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// "request_seq" : <number>,
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// "command" : <command>,
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// "running" : <is the VM running after sending this response>,
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// "success" : <success?>,
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// "message" : [error message]
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// ...
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// }
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public const string MSG_SUBTYPE = "response";
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protected Response() : base()
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{
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SubType = MSG_SUBTYPE;
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}
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[DataMember(Name = "command")]
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public string Command { get; set; }
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[DataMember(Name = "request_seq")]
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public int RequestSeq { get; set; }
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[DataMember(Name = "success")]
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public bool Success { get; set; }
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[DataMember(Name = "running")]
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public bool Running { get; set; }
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[DataMember(Name = "message")]
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public string Message { get; set; }
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protected override bool? IsCompatible(Message msg)
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{
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System.Diagnostics.Debug.Assert(IsPrototype);
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if (base.IsCompatible(msg) == false)
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return false;
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var that = msg as Response;
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if (that == null)
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return null;
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// If response is unsuccessful, no need to continue searching, just use this class,
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// it already has all the data needed for error processing (i.e. the error message)
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if (!that.Success)
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return true;
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if (string.IsNullOrEmpty(Command))
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return null;
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return this.Command == that.Command;
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}
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}
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[DataContract]
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[SkipDeserialization]
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class Response<TBody> : Response
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where TBody : class, new()
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{
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[DataMember(Name = "body", EmitDefaultValue = false)]
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TBody body = null;
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public TBody Body
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{
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get { return ThreadSafe(() => (body != null) ? body : (body = new TBody())); }
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set { body = value; }
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}
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}
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[DataContract]
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class Event : ServerMessage
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{
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// "v8message"
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// { "seq" : <number>,
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// "type" : "event",
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// "event" : <string>,
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// ...
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// }
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public const string MSG_SUBTYPE = "event";
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protected Event() : base()
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{
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SubType = MSG_SUBTYPE;
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}
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[DataMember(Name = "event")]
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public string EventType { get; set; }
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protected override bool? IsCompatible(Message msg)
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{
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System.Diagnostics.Debug.Assert(IsPrototype);
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if (base.IsCompatible(msg) == false)
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return false;
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var that = msg as Event;
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if (that == null)
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return null;
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if (string.IsNullOrEmpty(EventType))
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return null;
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return this.EventType == that.EventType;
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}
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}
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[DataContract]
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[SkipDeserialization]
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class Event<TBody> : Event
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where TBody : class, new()
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{
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[DataMember(Name = "body", EmitDefaultValue = false)]
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TBody body = null;
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public TBody Body
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{
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get { return ThreadSafe(() => (body != null) ? body : (body = new TBody())); }
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set { body = value; }
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}
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}
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}
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