private static IpcClientRequestArgs ParseRequestMessage(Stream message)
{
var binaryReader = new BinaryReader(message);
var messageId = binaryReader.ReadUInt64();
var requestMessageLength = binaryReader.ReadInt32();
var requestMessageByteList = binaryReader.ReadBytes(requestMessageLength);
var ipcClientRequestArgs =
new IpcClientRequestArgs(new IpcClientRequestMessageId(messageId),
new IpcBufferMessage(requestMessageByteList));
return(ipcClientRequestArgs);
}
/// <summary>
/// 处理请求消息
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
/// 有三步
/// 1. 取出消息和上下文里面带的 <see cref="IIpcRequestHandler"/> 用于处理消息
/// 2. 构建出 <see cref="IIpcRequestContext"/> 传入到 <see cref="IIpcRequestHandler"/> 处理
/// 3. 将 <see cref="IIpcRequestHandler"/> 的返回值发送给到客户端
public async void HandleRequest(PeerProxy sender, IpcClientRequestArgs args)
{
var requestMessage = args.IpcBufferMessage;
var peerProxy = sender;
var ipcRequestContext = new IpcRequestMessageContext(requestMessage, peerProxy);
// 处理消息
// 优先从 Peer 里面找处理的方法，这样上层可以对某个特定的 Peer 做不同的处理
// Todo 需要设计这部分 API 现在因为没有 API 的设计，先全部走 DefaultIpcRequestHandler 的逻辑
IIpcRequestHandler ipcRequestHandler = IpcContext.IpcConfiguration.DefaultIpcRequestHandler;
var result = await ipcRequestHandler.HandleRequestMessage(ipcRequestContext);
// 构建信息回复
var responseManager = IpcContext.IpcMessageResponseManager;
var responseMessage = responseManager.CreateResponseMessage(args.MessageId, result.ReturnMessage);
// 发送回客户端
await peerProxy.IpcClientService.WriteMessageAsync(responseMessage);
}
