public ChatRequest(ChatRequest request)
{
Id = request.Id;
Code = request.Code;
Arguments = request.Arguments; // !!! arguments not copied
Status = request.Status;
}
// 4 additional processing 4 several functions
public void CreateRequest(ChatRequest request)
{
switch (request.Code)
{
case RequestCode.EnterRoom:
EnterRoom((string) request.Arguments[0]);
break;
case RequestCode.LeaveRoom:
LeaveRoom((string) request.Arguments[0]);
break;
default:
QueueRequest(request);
break;
}
}
private void RequestErrorOccurred(ChatRequest request)
{
if (isStopping)
return;
try
{
BeginInvoke(new Action<ChatRequest>(OnRequestError), request);
}
catch (Exception)
{
}
}
private void OnRequestError(ChatRequest request)
{
if (request.Code == RequestCode.EnterRoom)
{
var roomName = request.Arguments[0].ToString();
/*MessageBox.Show(this, "Невозможно выполнить вход в комнату " + roomName + "\nПричина: " +
Answer.GetChatResultCodeString(request.Status), "Ошибка", MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);*/
ShowErrorInRoom(roomName, DateTime.Now,
"Невозможно выполнить вход в комнату " + roomName + ". Причина: " +
Answer.GetChatResultCodeString(request.Status));
}
else if (request.Code == RequestCode.GetAllUsers && request.Arguments.Count != 0)
{
var roomName = request.Arguments[0].ToString();
ShowErrorInRoom(roomName, DateTime.Now,
"Невозможно определить пользователей комнаты " + roomName + ". Причина: " +
Answer.GetChatResultCodeString(request.Status));
}
else
ShowErrorInChat(DateTime.Now, request.Status);
}
private void QueueRequest(ChatRequest request)
{
requests.InQueue(request, lockTimeout);
if (request.Id == -1) // do not inform about non-numbered requests
return;
request.Status = ChatResultCode.InProgress;
request.Id = 0;
if (RequestQueued != null)
RequestQueued(new ChatRequest(request));
}
private void DoSend()
{
Chat = new ChatClientStable(chatCallback, TerminalBindings.Chat);
Chat.Connected += () => { if (Connected != null) Connected(); };
Chat.Disconnected += () => { if (Disconnected != null) Disconnected(); };
UserInfoSource = new UserInfoExCache(TradeSharpAccountStatistics.Instance.proxy);
while (!isStopping)
{
bool timeoutFlag;
var allRequests = requests.ExtractAll(lockTimeout, out timeoutFlag);
if (timeoutFlag)
continue;
// флаг повтора запроса;
// перезапросы возникают из-за ошибок сети;
// в этом случае ожидание между запросами увеличено, чтобы не загружать проц без пользы
var repeatRequest = false;
foreach (var request in allRequests)
{
try
{
switch (request.Code)
{
case RequestCode.GetAllUsers:
request.Id = Chat.GetAllUsers((string) request.Arguments[0]);
break;
case RequestCode.Enter:
request.Id = Chat.Enter((User) request.Arguments[0]);
break;
case RequestCode.Exit:
request.Id = Chat.Exit();
break;
case RequestCode.GetRooms:
request.Id = Chat.GetRooms();
break;
case RequestCode.EnterRoom:
request.Id = Chat.EnterRoom((string) request.Arguments[0], (string) request.Arguments[1]);
break;
case RequestCode.MoveToRoom:
request.Id = Chat.MoveToRoom((int) request.Arguments[0], (string) request.Arguments[1],
(string) request.Arguments[2]);
break;
case RequestCode.LeaveRoom:
request.Id = Chat.LeaveRoom((string) request.Arguments[0]);
break;
case RequestCode.CreateRoom:
request.Id = Chat.CreateRoom((Room) request.Arguments[0]);
break;
case RequestCode.DestroyRoom:
request.Id = Chat.DestroyRoom((string) request.Arguments[0]);
break;
case RequestCode.SendPrivateMessage:
request.Id = Chat.SendPrivateMessage((int) request.Arguments[0],
(string) request.Arguments[1]);
break;
case RequestCode.SendMessage:
request.Id = Chat.SendMessage((string) request.Arguments[0],
(string) request.Arguments[1]);
break;
case RequestCode.GetPendingMessages:
request.Id = Chat.GetPendingMessages((DateTime) request.Arguments[0],
(string) request.Arguments[1]);
break;
case RequestCode.GetPendingPrivateMessages:
request.Id = Chat.GetPendingPrivateMessages((DateTime) request.Arguments[0],
(int) request.Arguments[1]);
break;
case RequestCode.Ping:
Chat.Ping();
break;
case RequestCode.GetUserInfoEx:
var userinfo = UserInfoSource.GetUserInfo((int) request.Arguments[0]);
if (UserInfoExReceived != null)
UserInfoExReceived(userinfo ?? new UserInfoEx {Id = (int) request.Arguments[0]});
break;
case RequestCode.SetUserInfoEx:
UserInfoSource.SetUserInfo((UserInfoEx)request.Arguments[0]);
break;
}
if (request.Id == 0)
{
QueueRequest(request); // if server refused request - try again
repeatRequest = true;
}
else if (request.Id != -1) // skip Ping, GetUserInfoEx, SetUserInfoEx
{
request.Status = ChatResultCode.InProgress;
pendingRequests.UpdateValues(request.Id, request);
/*if (pendingRequestsLock.TryEnterWriteLock(lockTimeout))
{
pendingRequests.Add(request.Id, request);
pendingRequestsLock.ExitWriteLock();
}
else
Console.WriteLine("ChatSender.DoSend: pendingRequestsWriteLock timeout");*/
var requestCopy = new ChatRequest(request);
if (RequestQueuedOnServer != null)
RequestQueuedOnServer(requestCopy);
if (forwardAnswers.ContainsKey(request.Id))
{
pendingRequests.Remove(request.Id);
requestCopy.Status = forwardAnswers.ReceiveValue(request.Id);
if (RequestProcessed != null)
RequestProcessed(requestCopy);
forwardAnswers.Remove(request.Id);
}
}
}
catch (Exception ex) // probably communication error
{
Logger.ErrorFormat("DoSend exception: {0}", ex);
if (request.Code != RequestCode.Ping)
QueueRequest(request);
repeatRequest = true;
}
}
//проверка соединения - ping
if (allRequests.Count == 0)
{
if (DateTime.Now.Subtract(lastConnectionCheck.GetLastHit()).TotalSeconds > 15)
{
var request = new ChatRequest(RequestCode.Ping, new List<object>(), -1);
QueueRequest(request);
lastConnectionCheck.Touch();
}
}
Thread.Sleep(repeatRequest ? 1000 : 100);
}
}
private void RequestQueuedOnServer(ChatRequest request)
{
if (isStopping)
return;
if (!liveServerCheckTime.GetLastHitIfHitted().HasValue)
liveServerCheckTime.SetTime(DateTime.Now + aliveTimeSpan);
else if (RequestQueueFilled != null)
RequestQueueFilled();
if (Logged != null)
Logged(request.ToString());
}
private void RequestProcessed(ChatRequest request)
{
if (isStopping)
return;
if (request.Status != ChatResultCode.Ok && RequestErrorOccurred != null)
RequestErrorOccurred(request);
if (Logged != null)
Logged(request.ToString());
// сбрасываем таймаут если мы вошли в чат и если отсутствуют неотвеченные запросы
if (!chatSender.HasAnyRequests())
{
if (RequestQueueCleared != null)
RequestQueueCleared();
if (currentUserId != 0 && IsOnline)
liveServerCheckTime.ResetHit();
}
}