private void ApiCall(ref ZSocket socket, ApiCallItem item)
{
using (IocScope.CreateScope())
{
Interlocked.Increment(ref CallCount);
try
{
if (LogRecorder.LogMonitor)
{
ApiCallByMonitor(ref socket, item);
}
else
{
ApiCallNoMonitor(ref socket, item);
}
}
catch (Exception ex)
{
ZeroTrace.WriteException(StationName, ex, "ApiCall", item.ApiName);
item.Result = ApiResult.InnerErrorJson;
SendResult(ref socket, item, ZeroOperatorStateType.Error);
}
finally
{
Interlocked.Decrement(ref waitCount);
}
}
}
void IApiHandler.End(ApiStation station, ApiCallItem item)
{
count.End = DateTime.Now.Ticks;
count.Status = item.Status;
//count.FromId = item.CallerGlobalId;
ApiCounter.Instance.Count(count);
}
/// <summary>
/// 发送返回值
/// </summary>
/// <param name="socket"></param>
/// <param name="item"></param>
/// <param name="state"></param>
/// <returns></returns>
private bool SendResult(ref ZSocket socket, ApiCallItem item, ZeroOperatorStateType state)
{
if (!CanLoop)
{
ZeroTrace.WriteError("SendResult", "is closed", StationName);
return(false);
}
if (item.Result == null)
{
return(SendResult(ref socket, new ZMessage
{
new ZFrame(item.Caller),
new ZFrame(new byte[]
{
2, (byte)state, ZeroFrameType.Requester, ZeroFrameType.GlobalId
}),
new ZFrame(item.Requester.ToZeroBytes()),
new ZFrame((item.GlobalId).ToZeroBytes())
}));
}
return(SendResult(ref socket, new ZMessage
{
new ZFrame(item.Caller),
new ZFrame(new byte[]
{
3, (byte)state, ZeroFrameType.JsonValue, ZeroFrameType.Requester, ZeroFrameType.GlobalId
}),
new ZFrame((item.Result).ToZeroBytes()),
new ZFrame(item.Requester.ToZeroBytes()),
new ZFrame((item.GlobalId).ToZeroBytes())
}));
}
private void ApiCallNoMonitor(ref ZSocket socket, ApiCallItem item)
{
ZeroOperatorStateType state = RestoryContext(item);
if (state == ZeroOperatorStateType.Ok)
{
Prepare(item);
state = ExecCommand(item);
if (state != ZeroOperatorStateType.Ok)
{
Interlocked.Increment(ref ErrorCount);
}
else
{
Interlocked.Increment(ref SuccessCount);
}
}
else
{
Interlocked.Increment(ref ErrorCount);
}
if (!SendResult(ref socket, item, state))
{
Interlocked.Increment(ref SendError);
}
End(item);
}
private void ApiCallByMonitor(ref ZSocket socket, ApiCallItem item)
{
using (MonitorScope.CreateScope(item.ApiName))
{
LogRecorder.MonitorTrace($"Caller:{item.Caller}");
LogRecorder.MonitorTrace($"GlobalId:{item.GlobalId}");
LogRecorder.MonitorTrace(JsonConvert.SerializeObject(item));
ZeroOperatorStateType state;
Prepare(item);
using (MonitorScope.CreateScope("Do"))
{
state = ExecCommand(item);
}
if (state != ZeroOperatorStateType.Ok)
{
Interlocked.Increment(ref ErrorCount);
}
else
{
Interlocked.Increment(ref SuccessCount);
}
LogRecorder.MonitorTrace(item.Result);
if (!SendResult(ref socket, item, state))
{
ZeroTrace.WriteError(item.ApiName, "SendResult");
}
End(item);
}
}
void IApiHandler.Prepare(ApiStation station, ApiCallItem item)
{
count = new CountData
{
IsInner = true,
Start = DateTime.Now.Ticks,
Requester = item.Requester,
HostName = station.StationName,
ApiName = item.ApiName
};
}
private void ApiCall(ref ZSocket socket, ApiCallItem item)
{
ApiContext.SetRequestContext(item.GlobalId, item.Requester, item.RequestId ?? item.GlobalId);
item.Handlers = CreateHandlers();
Interlocked.Increment(ref CallCount);
if (LogRecorder.LogMonitor)
{
ApiCallByMonitor(ref socket, item);
}
else
{
ApiCallNoMonitor(ref socket, item);
}
Interlocked.Decrement(ref waitCount);
}
void End(ApiCallItem item)
{
if (item.Handlers == null)
{
return;
}
foreach (var p in item.Handlers)
{
try
{
p.End(this, item);
}
catch (Exception e)
{
ZeroTrace.WriteException(StationName, e, "EndActions", item.ApiName);
}
}
}
private void ApiCallNoMonitor(ref ZSocket socket, ApiCallItem item)
{
Prepare(item);
var state = ExecCommand(item);
if (state != ZeroOperatorStateType.Ok)
{
Interlocked.Increment(ref ErrorCount);
}
else
{
Interlocked.Increment(ref SuccessCount);
}
LogRecorder.MonitorTrace(item.Result);
if (!SendResult(ref socket, item, state))
{
Interlocked.Increment(ref SendError);
ZeroTrace.WriteError(item.ApiName, "SendResult");
}
End(item);
}
void Prepare(ApiCallItem item)
{
if (item.RequestId == null)
{
item.RequestId = item.GlobalId;
}
if (item.Handlers == null)
{
return;
}
foreach (var p in item.Handlers)
{
try
{
p.Prepare(this, item);
}
catch (Exception e)
{
ZeroTrace.WriteException(StationName, e, "PreActions", item.ApiName);
}
}
}
/// <summary>
/// 还原调用上下文
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
private ZeroOperatorStateType RestoryContext(ApiCallItem item)
{
try
{
if (!string.IsNullOrWhiteSpace(item.ContextJson))
{
GlobalContext.SetContext(JsonConvert.DeserializeObject <ApiContext>(item.ContextJson));
}
if (!string.IsNullOrWhiteSpace(item.Content))
{
GlobalContext.Current.DependencyObjects.Annex(JsonConvert.DeserializeObject <Dictionary <string, string> >(item.Content));
}
GlobalContext.Current.Request.SetValue(item.GlobalId, item.Requester, item.RequestId);
return(ZeroOperatorStateType.Ok);
}
catch (Exception e)
{
ZeroTrace.WriteException(StationName, e, item.ApiName, "restory context", item.ContextJson);
item.Result = ApiResult.ArgumentErrorJson;
item.Status = ZeroOperatorStatus.FormalError;
return(ZeroOperatorStateType.LocalException);
}
}
//void ProcessTask(object obj)
//{
// Interlocked.Increment(ref ptocessTaskCount);
// var socket = ZSocket.CreateClientSocket(Config.WorkerResultAddress, ZSocketType.DEALER);
// var pool = ZmqPool.CreateZmqPool();
// pool.Prepare(new[] { ZSocket.CreateClientSocket($"inproc://{StationName}_api.route", ZSocketType.PAIR) }, ZPollEvent.In);
// var token = (CancellationToken)obj;
// while (!token.IsCancellationRequested && CanRun)
// {
// //if (!Quote.StartProcess(out var item))
// //{
// // continue;
// //}
// //ApiCall(ref socket, item);
// //Quote.EndProcess();
// if (!pool.Poll() || !pool.CheckIn(0, out var message))
// {
// continue;
// }
// using (message)
// {
// if (!Unpack(message, out var item))
// {
// SendLayoutErrorResult(ref socket, item.Caller, item.Requester);
// continue;
// }
// ApiCall(ref socket, item);
// }
// }
// socket.TryClose();
// if (Interlocked.Decrement(ref ptocessTaskCount) == 0)
// _processSemaphore.Release();
//}
#endregion
#region IO
/// <summary>
/// 解析数据
/// </summary>
/// <param name="messages"></param>
/// <param name="item"></param>
/// <returns></returns>
private bool Unpack(ZMessage messages, out ApiCallItem item)
{
item = new ApiCallItem
{
Caller = messages[0].Read()
};
try
{
var description = messages[1].Read();
if (description.Length < 2)
{
ZeroTrace.WriteError("Receive", "LaoutError", Config.WorkerResultAddress,
description.LinkToString(p => p.ToString("X2"), ""));
item = null;
return(false);
}
int end = description[0] + 2;
if (end != messages.Count)
{
ZeroTrace.WriteError("Receive", "LaoutError", Config.WorkerResultAddress,
$"FrameSize{messages.Count}", description.LinkToString(p => p.ToString("X2"), ""));
item = null;
return(false);
}
for (int idx = 2; idx < end; idx++)
{
var bytes = messages[idx].Read();
if (bytes.Length == 0)
{
continue;
}
var val = Encoding.UTF8.GetString(bytes).TrimEnd('\0');
switch (description[idx])
{
case ZeroFrameType.GlobalId:
item.GlobalId = val;
break;
case ZeroFrameType.RequestId:
item.RequestId = val;
break;
case ZeroFrameType.Requester:
item.Requester = val;
break;
case ZeroFrameType.Context:
item.ContextJson = val;
break;
case ZeroFrameType.Command:
item.ApiName = val;
break;
case ZeroFrameType.Argument:
item.Argument = val;
break;
case ZeroFrameType.Content:
item.Content = val;
break;
}
}
return(item.ApiName != null && item.GlobalId != null);
}
catch (Exception e)
{
ZeroTrace.WriteException("Receive", e,
Config.WorkerResultAddress, $"FrameSize{messages.Count}");
return(false);
}
finally
{
messages.Dispose();
}
}
/// <summary>
/// 执行命令
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
private ZeroOperatorStateType ExecCommand(ApiCallItem item)
{
//1 查找调用方法
if (!_apiActions.TryGetValue(item.ApiName.Trim(), out var action))
{
item.Result = ApiResult.NoFindJson;
item.Status = ZeroOperatorStatus.NotFind;
return(ZeroOperatorStateType.NotFind);
}
//2 确定调用方法及对应权限
if (action.NeedLogin && (GlobalContext.Customer == null || GlobalContext.Customer.UserId <= 0))
{
item.Result = ApiResult.DenyAccessJson;
item.Status = ZeroOperatorStatus.DenyAccess;
return(ZeroOperatorStateType.DenyAccess);
}
//3 参数校验
try
{
if (!action.RestoreArgument(item.Argument ?? "{}"))
{
item.Result = ApiResult.ArgumentErrorJson;
item.Status = ZeroOperatorStatus.FormalError;
return(ZeroOperatorStateType.ArgumentInvalid);
}
}
catch (Exception e)
{
ZeroTrace.WriteException(StationName, e, item.ApiName, "restory argument", item.Argument);
item.Result = ApiResult.LocalExceptionJson;
item.Status = ZeroOperatorStatus.FormalError;
return(ZeroOperatorStateType.LocalException);
}
try
{
if (!action.Validate(out var message))
{
item.Result = JsonConvert.SerializeObject(ApiResult.Error(ErrorCode.LogicalError, message));
item.Status = ZeroOperatorStatus.LogicalError;
return(ZeroOperatorStateType.ArgumentInvalid);
}
}
catch (Exception e)
{
ZeroTrace.WriteException(StationName, e, item.ApiName, "invalidate argument", item.Argument);
item.Result = ApiResult.LocalExceptionJson;
item.Status = ZeroOperatorStatus.LocalException;
return(ZeroOperatorStateType.LocalException);
}
//4 方法执行
try
{
var result = action.Execute();
if (result != null)
{
if (result.Status == null)
{
result.Status = new ApiStatusResult {
InnerMessage = item.GlobalId
}
}
;
else
{
result.Status.InnerMessage = item.GlobalId;
}
}
item.Result = result == null ? ApiResult.SucceesJson : JsonConvert.SerializeObject(result);
item.Status = result == null || result.Success ? ZeroOperatorStatus.Success : ZeroOperatorStatus.LogicalError;
return(result == null || result.Success ? ZeroOperatorStateType.Ok : ZeroOperatorStateType.Failed);
}
catch (Exception e)
{
ZeroTrace.WriteException(StationName, e, item.ApiName, "execute", JsonConvert.SerializeObject(item));
item.Result = ApiResult.LocalExceptionJson;
item.Status = ZeroOperatorStatus.LocalException;
return(ZeroOperatorStateType.LocalException);
}
}