public async Task ProcessAsync(ServiceContext context, Func<ServiceContext, Task> next)
{
var stopwatch = Stopwatch.StartNew();
await next(context);
stopwatch.Stop();
//Console.WriteLine($"Service: {context.Service.Name}, Action: {context.Action.Name}, Execute Duration: {stopwatch.ElapsedMilliseconds}ms");
}
/// <summary>
/// <para>determinate if the request path is Service path</para>
/// <para>get and set Service to serviceContext</para>
/// <para>compute and set ActionName to serviceContext.Request</para>
/// </summary>
/// <param name="serviceContext"></param>
/// <returns></returns>
public MapServiceResult MapService(ServiceContext serviceContext)
{
//var isServicePath = _config.Service?.Paths == null
// || _config.Service.Paths
// .Any(it => serviceContext.Request.Path.StartsWith(it, StringComparison.OrdinalIgnoreCase));
//if (!isServicePath)
// return MapServiceResult.Empty;
var requestPath = serviceContext.Request.Path;
if (string.IsNullOrWhiteSpace(requestPath))
throw new ArgumentException("request.AppRelativeCurrentExecutionFilePath is null or white space");
var service = _factory.Services.FirstOrDefault(it =>
requestPath.StartsWith(it.Path, StringComparison.OrdinalIgnoreCase));
if (service == null)
{
LogHelper.Debug("BeginProcessReques Can't find service " + requestPath);
throw new ServiceNotFoundException(requestPath);
}
var actionName = requestPath.Substring(service.Path.Length);
serviceContext.Request.ActionName = actionName;
serviceContext.Service = service;
return new MapServiceResult
{
IsServiceRequest = true,
//ServiceContext = serviceContext,
};
}
private void Session_OnEnd(object sender, ServiceContext e)
{
lock (_logLock)
{
_invokes.Add(((MeropsMonitorSession)sender).InvokeInfo);
}
}
public async Task ProcessAsync(ServiceContext context, Func<ServiceContext, Task> next)
{
var stopwatch = Stopwatch.StartNew();
await next(context);
stopwatch.Stop();
//Console.WriteLine($"Service: {context.Service.Name}, Action: {context.Action.Name}, Request Length: {context.Request.ContentLength}bytes");
}
public void OnExecuted(ServiceContext context)
{
if (context.Exception != null)
{
Console.WriteLine(context.Action.Name + " exception occored: " + context.Exception);
}
else
{
Console.WriteLine(context.Action.Name + " execute result: " + Newtonsoft.Json.JsonConvert.SerializeObject(context.Result).Substring(0, 100));
}
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public Task ProcessAsync(ServiceContext context)
{
LogHelper.Debug("RpcService.BeginProcessRequest");
if (context.Request.ActionName == "?meta" || string.IsNullOrEmpty(context.Request.ActionName))
{
LogHelper.Debug("RpcService.BeginProcessRequest: start ActionHelper.InvokeAction");
try
{
var metaInfo = GetMetaInfo(context.Service);
context.Result = metaInfo;
context.Request.RequestType = RequestType.MetaData;
}
catch (Exception ex)
{
context.Exception = ex;
}
LogHelper.Debug("RpcService.BeginProcessRequest: end ActionHelper.InvokeAction");
return TaskHelper.FromResult((object)null);
}
LogHelper.Debug("RpcService.BeginProcessRequest: start ActionHelper.GetActionInfo");
var action = _actionManager.GetAction(context.Request.ActionName);
LogHelper.Debug("RpcService.BeginProcessRequest: end ActionHelper.GetActionInfo");
if (action == null)
{
LogHelper.Debug("Action Not Found: " + context.Request.ActionName);
throw new ActionNotFoundException(context.Request.ActionName);
}
LogHelper.Debug("RpcService.BeginProcessRequest: got requestObject");
context.Action = action;
GroupFilters();
var filterFunc = GetProcessFilterFunc();
return filterFunc(context);
}
public IServiceMonitorSession GetServiceSession(ServiceContext context)
{
var session = new MeropsMonitorSession();
session.OnEnd += Session_OnEnd;
return session;
}
public void EndRequest(ServiceContext context)
{
_info.Action = context.Action.Name;
_info.EndDate = DateTime.UtcNow;
_info.Duration = (int)(_info.EndDate - _info.StartDate).TotalMilliseconds;
OnEnd?.Invoke(this, context);
}
public void BeginRequest(ServiceContext context)
{
_info.Id = Guid.NewGuid().ToString();
_info.Service = context.Service.Name;
_info.StartDate = DateTime.UtcNow;
}
/// <summary>
/// <para>determinate if the request path is Service path</para>
/// <para>get and set Service to serviceContext</para>
/// <para>compute and set ActionName to serviceContext.Request</para>
/// </summary>
/// <param name="serviceContext"></param>
/// <returns></returns>
public MapServiceResult MapService(ServiceContext serviceContext)
{
return _serviceMapper.MapService(serviceContext);
}
private void EndProcessRequest(ServiceContext context)
{
//LogHelper.Debug("RpcAsyncHandler.EndProcessRequest start RpcService.EndProcessRequest(result);");
var httpContext = context.ExecutingContext;
if (httpContext == null)
{
//LogHelper.Error("ServiceContext is null", null);
return;
}
httpContext.ResponseContentType = context.Response.ContentType;
#if DEBUG
var startTimeObj = context.GetExtensionData("StartTime");
var endTimeObj = context.GetExtensionData("EndTime");
if (startTimeObj != null && endTimeObj != null)
{
httpContext.SetResponseHeader(HeaderName.ExecutionDuration,
((DateTime)endTimeObj - (DateTime)startTimeObj).TotalMilliseconds.ToString(CultureInfo.InvariantCulture));
}
#endif
if (context.Exception != null)
{
httpContext.SetResponseHeader(HeaderName.ExceptionType, context.Exception.GetType().FullName);
httpContext.SetResponseHeader(HeaderName.ExceptionAssembly, context.Exception.GetType()
#if NETCORE
.GetTypeInfo()
#endif
.Assembly.FullName);
httpContext.SetResponseHeader(HeaderName.StatusCode, RpcStatusCode.InternalServerError);
//httpContext.SetResponseStatusCode((int)HttpStatusCode.InternalServerError);
if (context.Formatter == null)
throw context.Exception;
//var stream = new MemoryStream();
//context.Formatter.Serialize(stream, context.Exception);
#if OUTPUT_SERIALIZATION_TIME
var serializationStopwatch = Stopwatch.StartNew();
#endif
if (context.Formatter.SupportException)
context.Formatter.Serialize(context.Response.ResponseStream, context.Exception, context.Exception.GetType());
#if OUTPUT_SERIALIZATION_TIME
serializationStopwatch.Stop();
Console.WriteLine("serializationStopwatch.ElapsedMilliseconds {0}", serializationStopwatch.ElapsedMilliseconds);
#endif
}
else
{
httpContext.SetResponseHeader(HeaderName.StatusCode, RpcStatusCode.Ok);
if (context.Result != null)
{
if (context.Request.RequestType == RequestType.MetaData)
{
if (string.IsNullOrWhiteSpace(context.Request.ContentType))
{
httpContext.ResponseContentType = "text/html";
using (var writer = new StreamWriter(context.Response.ResponseStream))
{
var value = context.Result.ToString();
var html = WebUtility.HtmlEncode(value);
html = html
.Replace(" ", " ")
.Replace(Environment.NewLine, "<br />");
writer.Write(html);
}
}
else
{
#if OUTPUT_SERIALIZATION_TIME
var serializationStopwatch = Stopwatch.StartNew();
#endif
context.Formatter.Serialize(context.Response.ResponseStream, context.Result, context.Action.ResultType);
#if OUTPUT_SERIALIZATION_TIME
serializationStopwatch.Stop();
Console.WriteLine("serializationStopwatch.ElapsedMilliseconds {0}", serializationStopwatch.ElapsedMilliseconds);
#endif
}
}
else if (context.Action != null && context.Action.HasReturnValue)
{
#if OUTPUT_SERIALIZATION_TIME
var serializationStopwatch = Stopwatch.StartNew();
#endif
context.Formatter.Serialize(context.Response.ResponseStream, context.Result, context.Action.ResultType);
#if OUTPUT_SERIALIZATION_TIME
serializationStopwatch.Stop();
Console.WriteLine("serializationStopwatch.ElapsedMilliseconds {0}", serializationStopwatch.ElapsedMilliseconds);
#endif
}
}
}
//LogHelper.Debug("RpcAsyncHandler.EndProcessRequest end RpcService.EndProcessRequest(result);");
}
///// <summary>
/////
///// </summary>
///// <param name="filter"></param>
//public void AddFilter(IRpcServiceFilter filter)
//{
// Filters.Add(filter);
//}
///// <summary>
/////
///// </summary>
///// <param name="filter"></param>
//public void RemoveFilter(IRpcServiceFilter filter)
//{
// Filters.Remove(filter);
//}
/// <summary>
///
/// </summary>
/// <param name="serverContext"></param>
/// <returns>if true process processed or else the path not a service path</returns>
public Task<bool> ProcessAsync(IServerContext serverContext)
{
if (serverContext == null)
throw new ArgumentNullException(nameof(serverContext));
var serviceContext = new ServiceContext
{
Request = new ServiceRequest
{
RequestStream = serverContext.RequestStream,
Path = serverContext.RequestPath,
ContentType = serverContext.RequestContentType,
ContentLength = serverContext.RequestContentLength,
},
Response = new ServiceResponse
{
ResponseStream = serverContext.ResponseStream,
},
ExecutingContext = serverContext,
};
return ProcessInternalAsync(serviceContext)
.ContinueWith(tsk =>
{
if (tsk.Exception == null)
return tsk.Result;
LogHelper.Error(tsk.Exception.InnerException);
return true;
});
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public IServiceMonitorSession GetServiceSession(ServiceContext context)
{
return new ConsoleMonitorSession();
}
private void ApplyExecutingFilters(ServiceContext context)
{
if (!(Service?.ActionExecteFilter?.Count > 0))
return;
foreach (var item in Service.ActionExecteFilter)
{
try
{
item.OnExecuting(context);
}
catch (Exception ex)
{
LogHelper.Error(ex);
}
}
}
//private IMonitor _monitor;
///// <summary>
/////
///// </summary>
///// <param name="monitor"></param>
//public ConsoleMonitorSession(IMonitor monitor)
//{
// _monitor = monitor;
//}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
public void BeginRequest(ServiceContext context)
{
}
private static Task InvokeTaskInternal(ServiceContext context)
{
object serviceObject = null;
if (!context.Action.IsStatic)
{
var serviceContainer = ServiceFactory.GetService(context.Action);
context.ServiceContainer = serviceContainer;
serviceObject = serviceContainer.ServiceObject;
}
var ar = (Task)context.Action.InvokeTask(serviceObject, context.Argument);
return ar;
}
private static object GetResultObject(IAsyncResult ar, ServiceContext context)
{
object resultObject = null;
var serviceContainer = (ServiceInstanceContainer)context.ServiceContainer;
try
{
if (context.Action.IsTask)
{
var task = ar as Task;
if (task == null)
throw new ServiceException("task async api return no Task result");
resultObject = GetTaskResult(task);
}
else
{
if (context.Action.HasReturnValue)
{
resultObject = context.Result;
}
}
}
finally
{
if (serviceContainer != null && !context.Action.IsStatic)
{
serviceContainer.Dispose();
}
}
return resultObject;
}
/// <summary>
/// invoke methods
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public Task ExecuteAsync(ServiceContext context)
{
if (ArgumentCount > 0)
{
try
{
context.Argument = context.Request.ContentLength > 0
? GetRequestObject(context.Request.RequestStream, context.Formatter, ArgumentType)
: DefaultArgument;
}
catch (Exception ex)
{
context.Exception = new DeserializeRequestException("deserialize request error", ex);
return TaskHelper.FromResult<object>(null);
}
}
ApplyExecutingFilters(context);
if (IsTask)
{
try
{
var task = InvokeTaskInternal(context);
var waitTask = task.ContinueWith(tsk =>
{
if (tsk.Exception != null)
{
context.Exception = tsk.Exception.InnerException;
}
else
{
var result = GetResultObject(tsk, context);
context.Result = result;
}
ApplyExecutedFilters(context);
});
return waitTask;
}
catch (Exception ex)
{
context.Exception = ex;
ApplyExecutedFilters(context);
return TaskHelper.FromResult<object>(null);
}
}
else
{
LogHelper.Debug("RpcService.BeginProcessRequest: start ActionHelper.InvokeAction");
try
{
context.Result = InvokeAction(context.Argument);
}
catch (Exception ex)
{
context.Exception = ex;
var tcs = new TaskCompletionSource<object>();
tcs.SetResult(null);
return tcs.Task;
}
ApplyExecutedFilters(context);
LogHelper.Debug("RpcService.BeginProcessRequest: end ActionHelper.InvokeAction");
return TaskHelper.FromResult(context.Result);
}
}
/// <summary>
/// <para>determinate if the request path is Service path</para>
/// <para>get and set Service to serviceContext</para>
/// <para>compute and set ActionName to serviceContext.Request</para>
/// </summary>
/// <param name="serviceContext"></param>
/// <returns></returns>
public MapServiceResult MapService(ServiceContext serviceContext)
{
return(_serviceMapper.MapService(serviceContext));
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
public void EndRequest(ServiceContext context)
{
}
private void ApplyBeforeInvokeFilters(ServiceContext context)
{
if (_invokeFilters == null) return;
foreach (var item in _invokeFilters)
{
try
{
item.OnInvoking(context);
}
catch (Exception ex)
{
LogHelper.Error(ex);
}
}
}
public void OnExecuting(ServiceContext context)
{
Console.WriteLine(context.Action.Name + " before execute action");
}
public async Task ProcessAsync(ServiceContext context, Func<ServiceContext, Task> next)
{
await next(context);
}
private Task ProcessRequest(ServiceContext context)
{
ApplyBeforeInvokeFilters(context);
var task = context.Action.ExecuteAsync(context);
var waitTask = task.ContinueWith(tsk =>
{
ApplyAfterInvokeFilters(context);
});
return waitTask;
}
