public async Task <JimuRemoteCallResultData> SendAsync(JimuRemoteCallData data)
{
try
{
_logger.Debug($"prepare sending: {data.ServiceId}");
var transportMsg = new JimuTransportMsg(data);
var callbackTask = RegisterResultCallbackAsync(transportMsg.Id);
try
{
await DoSendAsync(transportMsg);
_logger.Debug($"succed to send: {data.ServiceId}, msg: {transportMsg.Id}");
return(await callbackTask);
}
catch (Exception ex)
{
_logger.Error($"error occur when connecting with server, serviceid: {data.ServiceId}", ex);
throw;
}
}
catch (Exception ex)
{
_logger.Error($"failed to send: {data.ServiceId}", ex);
throw new TransportException(ex.Message, ex);
}
}
private IByteBuffer GetByteBuffer(JimuTransportMsg message)
{
var data = JimuHelper.Serialize <byte[]>(message);
var buffer = Unpooled.Buffer(data.Length, data.Length);
return(buffer.WriteBytes(data));
}
protected override async Task DoSendAsync(JimuTransportMsg msg)
{
var invokeMessage = msg.GetContent <JimuRemoteCallData>();
var uri = $"http://{_address.CreateEndPoint()}/{invokeMessage.Descriptor.RoutePath}";
//if (invokeMessage.Descriptor.HttpMethod() == "get" || invokeMessage.Descriptor.HttpMethod() == null)
//{
foreach (var para in invokeMessage.Parameters)
{
uri.SetQueryParam(para.Key, para.Value);
}
//var ret = await uri.SendJsonAsync(HttpMethod.Get, msg);
//var str = await ret.Content.ReadAsStringAsync();
var result = await uri.SendJsonAsync(HttpMethod.Get, msg).ReceiveJson <JimuTransportMsg>();
//result = await uri.GetJsonAsync<RemoteInvokeResultMessage>();
//return new RemoteInvokeResultMessage { Result = result, ResultType = result.GetType().ToString() };
//}
//else if (invokeMessage.Descriptor.HttpMethod() == "post")
//{
// switch (invokeMessage.Descriptor.HttpContentType())
// {
// case "application/json":
// case null:
// result = await uri.PostJsonAsync(invokeMessage.Parameters).ReceiveJson<TransportMessage>();
// break;
// case "application/x-www-form-urlencoded":
// result = await uri.PostUrlEncodedAsync(invokeMessage.Parameters).ReceiveJson<TransportMessage>();
// break;
// case "text/plain":
// StringBuilder paraSb = new StringBuilder();
// foreach (var para in invokeMessage.Parameters)
// {
// paraSb.Append($"{para.Key}={para.Value}&");
// }
// result = await uri.PostStringAsync(paraSb.Length > 0 ? paraSb.ToString().TrimEnd('&') : "").ReceiveJson<TransportMessage>();
// break;
// case "multipart/form-data":
// var ret = await uri.PostMultipartAsync((bc) =>
// {
// foreach (var para in invokeMessage.Parameters)
// {
// if (para.Value.GetType().IsAssignableFrom(typeof(HttpContent)))
// {
// bc.Add((HttpContent)para.Value);
// }
// //bc.Add(para.Key, (HttpContent)para.Value);
// }
// });
// result = TransportMessage.Create(msg.Id, new RemoteInvokeResultMessage { Result = ret });
// break;
// default:
// result = TransportMessage.Create(msg.Id, new RemoteInvokeResultMessage { ErrorCode = "501", ErrorMsg = "not support media type" });
// break;
// }
//}
//result = new RemoteInvokeResultMessage { ErrorCode = "501", ErrorMsg = "not support media type" };
await _clientListener.Received(result);
}
private async Task OnReceived(IChannelHandlerContext channel, JimuTransportMsg message)
{
_logger.Debug($"begin handling msg: {message.Id}");
//TaskCompletionSource<TransportMessage> task;
if (message.ContentType == typeof(JimuRemoteCallData).FullName)
{
IResponse response = new DotNettyResponse(channel, _logger);
var thisContext = new ServiceInvokerContext(message, _serviceEntryContainer, response, _logger, _serviceInvokeAddress);
Guid operationId = Guid.Empty;
var lastInvoke = new RequestDel(async context =>
{
JimuRemoteCallResultData resultMessage = new JimuRemoteCallResultData();
if (context.ServiceEntry == null)
{
resultMessage.ExceptionMessage = $"can not find service {context.RemoteInvokeMessage.ServiceId}";
_jimuApm.WriteServiceInvokeAfter(operationId, thisContext, resultMessage);
await response.WriteAsync(message.Id, resultMessage);
}
else if (context.ServiceEntry.Descriptor.WaitExecution)
{
await LocalServiceExecuteAsync(context.ServiceEntry, context.RemoteInvokeMessage, resultMessage);
_jimuApm.WriteServiceInvokeAfter(operationId, thisContext, resultMessage);
await response.WriteAsync(message.Id, resultMessage);
}
else
{
await response.WriteAsync(message.Id, resultMessage);
await Task.Factory.StartNew(async() =>
{
await LocalServiceExecuteAsync(context.ServiceEntry, context.RemoteInvokeMessage, resultMessage);
_jimuApm.WriteServiceInvokeAfter(operationId, thisContext, resultMessage);
});
}
});
foreach (var middleware in _middlewares)
{
lastInvoke = middleware(lastInvoke);
}
try
{
_jimuApm.WriteServiceInvokeBefore(thisContext);
await lastInvoke(thisContext);
}
catch (Exception ex)
{
JimuRemoteCallResultData resultMessage = new JimuRemoteCallResultData();
resultMessage.ErrorCode = "500";
resultMessage.ExceptionMessage = ex.ToStackTraceString();
_logger.Error("throw exception when excuting local service: \r\n " + JimuHelper.Serialize <string>(message), ex);
await response.WriteAsync(message.Id, resultMessage);
}
}
else
{
_logger.Debug($"msg: {message.Id}, message type is not an JimuRemoteCallData.");
}
}
/// <summary>
/// how to handle server response
/// </summary>
/// <param name="message"></param>
/// <returns></returns>
public async Task Received(JimuTransportMsg message)
{
if (OnReceived == null)
{
return;
}
await OnReceived(message);
}
public async Task Received(IClientSender sender, JimuTransportMsg message)
{
if (OnReceived == null)
{
return;
}
await OnReceived(sender, message);
}
private Task ListenerOnReceived(JimuTransportMsg message)
{
_logger.Debug($"receive response of msg: {message.Id}");
if (!_resultCallbackDic.TryGetValue(message.Id, out var task))
{
return(Task.CompletedTask);
}
if (message.ContentType != typeof(JimuRemoteCallResultData).FullName)
{
return(Task.CompletedTask);
}
task.SetResult(message);
return(Task.CompletedTask);
}
public async Task Invoke(HttpContext context)
{
using (var sr = new StreamReader(context.Request.Body))
{
var body = sr.ReadToEnd();
_logger.Debug($"received msg is: {body}");
_message = (JimuTransportMsg)_typeConvert.Convert(body, typeof(JimuTransportMsg));
}
_logger.Debug($"begin handling msg: {_message.Id}");
IResponse response = new HttpResponse(context.Response, _serializer, _logger);
var thisContext = new RemoteCallerContext(_message, _serviceEntryContainer, response, _logger);
var lastInvoke = new RequestDel(async ctx =>
{
JimuRemoteCallResultData resultMessage = new JimuRemoteCallResultData();
if (ctx.ServiceEntry == null)
{
resultMessage.ExceptionMessage = $"can not find service {ctx.RemoteInvokeMessage.ServiceId}";
await response.WriteAsync(_message.Id, resultMessage);
}
else if (ctx.ServiceEntry.Descriptor.WaitExecution)
{
await LocalServiceExecuteAsync(ctx.ServiceEntry, ctx.RemoteInvokeMessage, resultMessage);
await response.WriteAsync(_message.Id, resultMessage);
}
else
{
await response.WriteAsync(_message.Id, resultMessage);
await Task.Factory.StartNew(async() =>
{
await LocalServiceExecuteAsync(ctx.ServiceEntry, ctx.RemoteInvokeMessage, resultMessage);
});
}
});
foreach (var middleware in _middlewares)
{
lastInvoke = middleware(lastInvoke);
}
await lastInvoke(thisContext);
//await _next(context);
}
private async Task OnReceived(IChannelHandlerContext channel, JimuTransportMsg message)
{
_logger.Debug($"begin handling msg: {message.Id}");
//TaskCompletionSource<TransportMessage> task;
if (message.ContentType == typeof(JimuRemoteCallData).FullName)
{
IResponse response = new DotNettyResponse(channel, _serializer, _logger);
var thisContext = new RemoteCallerContext(message, _serviceEntryContainer, response, _logger);
var lastInvoke = new RequestDel(async context =>
{
JimuRemoteCallResultData resultMessage = new JimuRemoteCallResultData();
if (context.ServiceEntry == null)
{
resultMessage.ExceptionMessage = $"can not find service {context.RemoteInvokeMessage.ServiceId}";
await response.WriteAsync(message.Id, resultMessage);
}
else if (context.ServiceEntry.Descriptor.WaitExecution)
{
await LocalServiceExecuteAsync(context.ServiceEntry, context.RemoteInvokeMessage, resultMessage);
await response.WriteAsync(message.Id, resultMessage);
}
else
{
await response.WriteAsync(message.Id, resultMessage);
await Task.Factory.StartNew(async() =>
{
await LocalServiceExecuteAsync(context.ServiceEntry, context.RemoteInvokeMessage, resultMessage);
});
}
});
foreach (var middleware in _middlewares)
{
lastInvoke = middleware(lastInvoke);
}
await lastInvoke(thisContext);
}
else
{
_logger.Debug($"msg: {message.Id}, message type is not an JimuRemoteCallData.");
}
}
public RemoteCallerContext(JimuTransportMsg transportMessage, IServiceEntryContainer serviceEntryContainer,
IResponse response, ILogger logger)
{
Response = response;
TransportMessage = transportMessage;
try
{
RemoteInvokeMessage = transportMessage.GetContent <JimuRemoteCallData>();
}
catch (Exception ex)
{
logger.Error("failed to convert transportmsg.content to JimuRemoteCallerData.", ex);
return;
}
ServiceEntry = serviceEntryContainer.GetServiceEntry()
.FirstOrDefault(x => x.Descriptor.Id == RemoteInvokeMessage.ServiceId);
if (ServiceEntry == null)
{
logger.Error($"not found service: {RemoteInvokeMessage.ServiceId}", new EntryPointNotFoundException($"{RemoteInvokeMessage.ServiceId}"));
}
}
protected override async Task DoSendAsync(JimuTransportMsg message)
{
var buffer = GetByteBuffer(message);
await _channel.WriteAndFlushAsync(buffer);
}
/// <summary> /// send msg to server /// </summary> /// <param name="msg"></param> /// <returns></returns> protected abstract Task DoSendAsync(JimuTransportMsg msg);
public async Task SendAsync(JimuTransportMsg message)
{
var buffer = GetByteBuffer(message);
await _channel.WriteAndFlushAsync(buffer);
}