public Task <IIpcHandleRequestMessageResult> HandleRequestMessage(IIpcRequestContext requestContext)
{
// 我又不知道业务，不知道怎么玩……
var responseMessage = new IpcRequestMessage(nameof(EmptyIpcRequestHandler), new IpcBufferMessage(new byte[0]));
return(Task.FromResult((IIpcHandleRequestMessageResult) new IpcHandleRequestMessageResult(responseMessage)));
}
public void GetResponseAsync()
{
"发送消息之后，能等待收到对应的回复".Test(() =>
{
var responseManager = new ResponseManager();
var requestByteList = new byte[] { 0xFF, 0xFE };
var request = new IpcRequestMessage("Tests", new IpcBufferMessage(requestByteList));
var ipcClientRequestMessage = responseManager.CreateRequestMessage(request);
Assert.AreEqual(false, ipcClientRequestMessage.Task.IsCompleted);
var requestStream = IpcBufferMessageContextToStream(ipcClientRequestMessage.IpcBufferMessageContext);
IpcClientRequestArgs ipcClientRequestArgs = null;
responseManager.OnIpcClientRequestReceived += (sender, args) =>
{
ipcClientRequestArgs = args;
};
Assert.IsNotNull(requestStream);
responseManager.OnReceiveMessage(new PeerMessageArgs("Foo", requestStream, ack: 100, IpcMessageCommandType.RequestMessage));
Assert.IsNotNull(ipcClientRequestArgs);
var responseByteList = new byte[] { 0xF1, 0xF2 };
var responseMessageContext = responseManager.CreateResponseMessage(ipcClientRequestArgs.MessageId, new IpcBufferMessage(responseByteList), "Tests");
var responseStream = IpcBufferMessageContextToStream(responseMessageContext);
responseManager.OnReceiveMessage(new PeerMessageArgs("Foo", responseStream, ack: 100, IpcMessageCommandType.ResponseMessage));
Assert.AreEqual(true, ipcClientRequestMessage.Task.IsCompleted);
});
}
/// <inheritdoc />
public async Task <IpcBufferMessage> GetResponseAsync(IpcRequestMessage request)
{
var ipcClientRequestMessage = IpcMessageRequestManager.CreateRequestMessage(request);
await IpcClientService.WriteMessageAsync(ipcClientRequestMessage.IpcBufferMessageContext);
return(await ipcClientRequestMessage.Task);
}
public IpcClientRequestMessage CreateRequestMessage(IpcRequestMessage request)
{
ulong currentMessageId;
var task = new TaskCompletionSource <IpcBufferMessage>();
lock (Locker)
{
currentMessageId = CurrentMessageId;
// 在超过 ulong.MaxValue 之后，将会是 0 这个值
CurrentMessageId++;
TaskList[currentMessageId] = task;
}
var requestMessage = CreateRequestMessageInner(request, currentMessageId);
return(new IpcClientRequestMessage(requestMessage, task.Task, new IpcClientRequestMessageId(currentMessageId)));
}
public IpcBufferMessageContext CreateResponseMessage(IpcClientRequestMessageId messageId,
IpcRequestMessage response)
=> CreateResponseMessageInner(messageId, response);
public IpcHandleRequestMessageResult(IpcRequestMessage returnMessage)
{
ReturnMessage = returnMessage;
}
// 为什么将请求和响应的消息封装都放在一个类里面？这是为了方便更改，和调试
// 如果放在两个类或两个文件里面，也许就不好调试对应关系
protected static IpcBufferMessageContext CreateResponseMessageInner(IpcClientRequestMessageId messageId, IpcRequestMessage response)
{
/*
* MessageHeader
* MessageId
* Response Message Length
* Response Message
*/
var currentMessageIdByteList = BitConverter.GetBytes(messageId.MessageIdValue);
var responseMessageLengthByteList = BitConverter.GetBytes(response.RequestMessage.Count);
return(new IpcBufferMessageContext
(
response.Summary,
IpcMessageCommandType.ResponseMessage,
new IpcBufferMessage(ResponseMessageHeader),
new IpcBufferMessage(currentMessageIdByteList),
new IpcBufferMessage(responseMessageLengthByteList),
response.RequestMessage
));
}
