public void PutClient(string auth, s2hClient Client)
{
lock (m_Clients)
{
m_Clients.Add(auth, Client);
}
}
public long CloseAll(string auth)
{
S2hState s2hState = (S2hState)Application["s2hState"];
s2hClient Client = s2hState.GetClient(auth);
if (Client == null)
{
return((long)s2h_errors.s2h_client_not_authenticated);
}
Client = null;
s2hState.RemoveClient(auth);
return((long)s2h_errors.s2h_ok);
}
public long Recv(string a, int Seq, int WaitTimeout, out ExData[] d)
{
System.Diagnostics.Debug.WriteLine(this.ToString() + ": requested seq=" + Seq.ToString());
d = null;
int tmpWaitTimeout = WaitTimeout;
S2hState s2hState = (S2hState)Application["s2hState"];
s2hClient Client = s2hState.GetClient(a);
// auth error
if (Client == null)
{
return((long)s2h_errors.s2h_client_not_authenticated);
}
lock (Client)
{
// the client wants the last packet; last communication failed?
if (Seq == Client.LastRecvSequenceId)
{
d = Client.LastRecvData;
return((long)s2h_errors.s2h_ok); // sending last recieved data
}
}
// try to recieve data on all active connections
while (true)
{
s2hState.Exchanger.DeQueueData(out d);
if ((d == null || d.Length == 0) && tmpWaitTimeout > 0)
{
System.Threading.Thread.Sleep(tmpWaitTimeout < 100?tmpWaitTimeout:100);
tmpWaitTimeout -= 100;
}
else
{
break;
}
}
// remember the last sent packet
lock (Client)
{
// NOTE: store current value, also if the packet is null
Client.LastRecvData = d;
Client.LastRecvSequenceId = Seq;
}
return((long)s2h_errors.s2h_ok);
}
public void RemoveClient(string auth)
{
s2hClient Client = GetClient(auth);
if (Client != null)
{
lock (m_Clients)
{
string [] connectionHandles = Client.ConnectionHandles;
foreach (string s in connectionHandles)
{
m_DataExchanger.CloseConnection(s);
}
Client.CloseAllConnections();
m_Clients.Remove(auth);
}
}
}
public long Auth(string usr, string pwd, out string auth)
{
S2hState s2hState = (S2hState)Application["s2hState"];
s2hClient Client = new s2hClient();
auth = null;
UserManager.user_info user = m_userManager.GetUser(usr);
if (user == null || pwd != user.pass)
{
return((long)s2h_errors.s2h_invalid_credentials);
}
auth = Client.AuthToken = s2hState.GetNewAuthToken();
Client.ClientAddress = IPAddress.Parse(this.Context.Request.UserHostAddress);
s2hState.PutClient(auth, Client);
return((long)s2h_errors.s2h_ok);
}
public long Send(string a, ExData[] d, int Seq)
{
System.Diagnostics.Debug.WriteLine(this.ToString() + ": sent seq=" + Seq.ToString());
S2hState s2hState = (S2hState)Application["s2hState"];
s2hClient Client = s2hState.GetClient(a);
if (Client == null)
{
return((long)s2h_errors.s2h_client_not_authenticated);
}
if (Seq == Client.LastSendSequenceId)
{
return((long)s2h_errors.s2h_ok); // already processed data
}
// just send recv data to the data exchanger
s2hState.Exchanger.EnqueueData(d);
return((long)s2h_errors.s2h_ok);
}
public long Ready(string auth, string Token)
{
S2hState s2hState = (S2hState)Application["s2hState"];
s2hClient Client = s2hState.GetClient(auth);
if (Client == null)
{
return((long)s2h_errors.s2h_client_not_authenticated);
}
s2hConnection connection = Client.GetConnection(Token);
if (connection == null)
{
return((long)s2h_errors.s2h_unknown_connection_token);
}
connection.bReady = true;
return((long)s2h_errors.s2h_ok);
}
public long Conn(string auth, string host, int port, out string Token, out byte[] iplAddr, out int lPort, out byte[] iprAddr, out int rPort)
{
iprAddr = iplAddr = new byte[4];
lPort = 0;
rPort = port;
Token = "";
S2hState s2hState = (S2hState)Application["s2hState"];
s2hClient Client = s2hState.GetClient(auth);
if (Client == null)
{
return((long)s2h_errors.s2h_client_not_authenticated);
}
s2hConnection connection = null;
s2h_errors error = s2hState.Exchanger.CreateConnection(host, port, out connection);
if (error != s2h_errors.s2h_ok)
{
return((long)error);
}
Client.AddConnection(connection.handle, connection);
Token = connection.handle;
if (connection.socket.LocalEndPoint is IPEndPoint)
{
IPEndPoint ip = (IPEndPoint)connection.socket.LocalEndPoint;
iplAddr = ip.Address.GetAddressBytes();
lPort = ip.Port;
}
if (connection.socket.RemoteEndPoint is IPEndPoint)
{
IPEndPoint ip = (IPEndPoint)connection.socket.RemoteEndPoint;
iprAddr = ip.Address.GetAddressBytes();
rPort = ip.Port;
}
return((long)s2h_errors.s2h_ok);
}
public s2hClient GetClient(string auth)
{
lock (m_Clients)
{
if (m_Clients.Contains(auth))
{
s2hClient client = (s2hClient)m_Clients[auth];
long nowIs = DateTime.Now.ToFileTime();
if (((nowIs - client.LastSeen) / (10 * 1000000)) > 60 * 5)
{
client.CloseAllConnections();
m_Clients.Remove(client.AuthToken);
return(null);
}
client.ResetLastSeen();
return(client);
}
else
{
return(null);
}
}
}
public long Close(string auth, string[] Tokens)
{
long lRes = (long)s2h_errors.s2h_ok;
S2hState s2hState = (S2hState)Application["s2hState"];
s2hClient Client = s2hState.GetClient(auth);
if (Client == null)
{
return((long)s2h_errors.s2h_client_not_authenticated);
}
foreach (string t in Tokens)
{
s2hConnection connection = Client.GetConnection(t);
if (connection == null)
{
lRes = (long)s2h_errors.s2h_unknown_connection_token;
}
s2hState.Exchanger.CloseConnection(t);
Client.RemoveConnection(connection.handle);
}
return(lRes);
}
