public JimuServiceEntry Parse(MethodInfo methodInfo, JimuServiceDesc desc)
{
var fastInvoker = FastInvoke.GetMethodInvoker(methodInfo);
var service = new JimuServiceEntry
{
Descriptor = desc,
Func = (paras, payload) =>
{
var instance = GetInstance(null, methodInfo.DeclaringType, payload);
var parameters = new List <object>();
foreach (var para in methodInfo.GetParameters())
{
paras.TryGetValue(para.Name, out var value);
var paraType = para.ParameterType;
var parameter = JimuHelper.ConvertType(value, paraType);
parameters.Add(parameter);
}
var result = fastInvoker(instance, parameters.ToArray());
return(Task.FromResult(result));
}
};
return(service);
}
public async Task Invoke(HttpContext context)
{
using (var sr = new StreamReader(context.Request.Body))
{
var body = sr.ReadToEnd();
_logger.Debug($"received msg is: {body}");
_message = (JimuTransportMsg)JimuHelper.ConvertType(body, typeof(JimuTransportMsg));
}
_logger.Debug($"begin handling msg: {_message.Id}");
IResponse response = new HttpResponse(context.Response, _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 = $"can not find service {ctx.RemoteInvokeMessage.ServiceId}";
await response.WriteAsync(_message.Id, resultMessage);
}
else if (ctx.ServiceEntry.Descriptor.WaitExecution)
{
await LocalServiceExecuteAsync(ctx.ServiceEntry, ctx.RemoteInvokeMessage, resultMessage);
await response.WriteAsync(_message.Id, resultMessage);
}
else
{
await response.WriteAsync(_message.Id, resultMessage);
await Task.Factory.StartNew(async() =>
{
await LocalServiceExecuteAsync(ctx.ServiceEntry, ctx.RemoteInvokeMessage, resultMessage);
});
}
});
foreach (var middleware in _middlewares)
{
lastInvoke = middleware(lastInvoke);
}
await lastInvoke(thisContext);
//await _next(context);
}
public async Task <T> InvokeAsync <T>(string serviceIdOrPath, IDictionary <string, object> paras, JimuPayload payload)
{
_logger.Debug($"begin to invoke service: {serviceIdOrPath}");
var result = await InvokeAsync(serviceIdOrPath, paras, payload);
if (!string.IsNullOrEmpty(result.ExceptionMessage))
{
_logger.Debug($"invoking service: {serviceIdOrPath} raising an error: {result.ExceptionMessage}");
throw new Exception(result.ExceptionMessage);
}
if (!string.IsNullOrEmpty(result.ErrorCode))
{
_logger.Debug($"invoking service: {serviceIdOrPath} raising an error: errorcode {result.ErrorCode}, error: {result.ErrorMsg}");
if (result.Result == null)
{
return(default(T));
}
}
if (result.Result == null)
{
_logger.Debug($"invoking service: {serviceIdOrPath} has null return.");
return(default(T));
}
object value;
if (result.Result is Task <T> task)
{
value = JimuHelper.ConvertType(task.Result, typeof(T));
}
else
{
value = JimuHelper.ConvertType(result.Result, typeof(T));
}
_logger.Debug($"finish invoking service: {serviceIdOrPath}.");
return((T)value);
}