private void HandleCallCancel(IPEndPoint remote, int index, CallCancelRequest request)
{
var status = StatusCode.Success;
var reason = string.Empty;
ICallSession session = null;
if (!_users.TryGet(remote, out IUser source))
{
status = StatusCode.NotAuthorized;
reason = "User is not logged in";
}
else if (!_callController.TryGet(request.SessionId, out session))
{
status = StatusCode.CallNotFound;
reason = "Call not found";
}
else if (!session.Contains(source))
{
status = StatusCode.UserNotFound;
reason = "User not found in call session";
}
_core.Send(new MessageResult {
Status = status, Reason = reason
}, remote, index);
if (status != StatusCode.Success)
{
return;
}
session.Remove(source);
session.RaiseState();
}
private void HandleCall(IPEndPoint remote, int index, CallRequest request)
{
var status = StatusCode.Success;
var reason = string.Empty;
IUser target = null;
ICallSession session = null;
if (!_users.TryGet(remote, out IUser source))
{
status = StatusCode.NotAuthorized;
reason = "User is not logged in";
}
else if (!_users.TryGet(request.Target, out target))
{
status = StatusCode.UserNotFound;
reason = "Target not found";
}
else if (source == target)
{
status = StatusCode.Failure;
reason = "Don't target at yourself";
}
else if (!_callController.TryGetOrAdd(source.Name, request.Target, out session))
{
status = StatusCode.CallDuplicate;
reason = "Call exists";
}
else if (!ushort.TryParse(request.RoutePort.ToString(), out _) || request.RoutePort == ushort.MinValue)
{
status = StatusCode.Failure;
reason = $"Invalid parameters: {nameof(CallRequest.RoutePort)}";
}
_core.Send(new MessageResult {
Status = status, Reason = reason
}, remote, index);
if (status != StatusCode.Success)
{
return;
}
session.AppendOrUpdate(source, request.RoutePort);
session.AppendOrUpdate(target);
_core.Send(new CallResponse {
SessionId = session.Id, RouteId = session.RouteId
}, remote, index);
session.RaiseState();
}
private void OnCallSessionChanged(ICallSession session)
{
var participants = session.GetParticipants();
if (participants.Count() == 0)
{
return;
}
_core.Send(new CallBroadcast
{
SessionId = session.Id,
Participants = participants.Select(s => s.Name).ToArray(),
State = session.State
},
participants.Select(s => s.Remote).ToArray());
}
private void HandleCallInvite(IPEndPoint remote, int index, CallInviteRequest request)
{
var status = StatusCode.Success;
var reason = string.Empty;
ICallSession session = null;
if (!_users.TryGet(remote, out IUser source))
{
status = StatusCode.NotAuthorized;
reason = "User is not logged in";
}
else if (!_callController.TryGet(request.SessionId, out session))
{
status = StatusCode.CallNotFound;
reason = "Call not found";
}
// TODO Impl test.
else if (!session.Contains(source))
{
status = StatusCode.UserNotFound;
reason = "User not found in call session";
}
else if (!ushort.TryParse(request.RoutePort.ToString(), out _) || request.RoutePort == ushort.MinValue)
{
status = StatusCode.Failure;
reason = $"Invalid parameters: {nameof(CallInviteRequest.RoutePort)}";
}
_core.Send(new MessageResult {
Status = status, Reason = reason
}, remote, index);
if (status != StatusCode.Success)
{
return;
}
session.AppendOrUpdate(source, request.RoutePort);
_core.Send(new CallResponse {
SessionId = session.Id, RouteId = session.RouteId
}, remote, index);
session.RaiseState();
}
public bool TryGetOrAdd(string source, string target, out ICallSession session)
{
int sessionId = GetSessionId(source, target);
if (_sessions.TryGetValue(sessionId, out session) ||
_sessions.TryGetValue(GetSessionId(target, source), out session))
{
return(false);
}
var router = _routerFactory();
session = new CallSession(router)
{
Id = sessionId,
RouteId = _container.Take(),
};
session.Notify += OnSessionNotify;
_sessions[sessionId] = session;
return(true);
}
private void OnSessionNotify(ICallSession session)
{
SessionChanged?.Invoke(session);
switch (session.State)
{
case CallState.Idle:
session.Notify -= OnSessionNotify;
try
{
_sessions.TryRemove(session.Id, out _);
_container.Release(session.RouteId);
}
finally
{
session.Dispose();
}
break;
default:
break;
}
}
public bool TryGet(int sessionId, out ICallSession session)
{
return(_sessions.TryGetValue(sessionId, out session));
}
