/// <summary>
/// Add the socket of the KCD in the select sets as needed and manage
/// ktlstunnel.exe processes.
/// </summary>
private void PrepareStateForSelect(KcdThreadHost k, SelectSockets selectSockets, bool quenchFlag,
ref bool connWatchFlag)
{
// Note: the KCD should never have received a message when this function
// is called. The function UpdateStateAfterSelect() is responsible for
// doing all the transfers and handling any message received after these
// transfers.
try
{
k.CheckNoMessageReceivedInvariant();
if (k.ConnStatus == KcdThreadConnStatus.Scheduled)
{
// Start ktlstunnel.exe.
k.ConnStatus = KcdThreadConnStatus.Connecting;
k.Tunnel.BeginConnect();
}
if (k.ConnStatus == KcdThreadConnStatus.Connecting)
{
// The TCP connection is now open.
if (k.Tunnel.CheckConnect())
{
// Send the select role command.
k.SendSelectRoleMsg();
// Wait for the reply to arrive.
k.ConnStatus = KcdThreadConnStatus.RoleReply;
}
// Wait for the TCP connection to be established. We busy wait
// to monitor the status of ktlstunnel.exe regularly, to detect
// the case where the connection fails.
else
{
connWatchFlag = true;
}
}
if (k.ConnStatus == KcdThreadConnStatus.RoleReply)
{
// Wait for the reply to arrive.
if (!quenchFlag)
{
k.Tunnel.UpdateSelect(selectSockets);
}
}
if (k.ConnStatus == KcdThreadConnStatus.Connected)
{
// Send the next message, if possible.
k.SendNextQueuedMsgIfNeeded();
if (!quenchFlag)
{
k.Tunnel.UpdateSelect(selectSockets);
}
}
k.CheckNoMessageReceivedInvariant();
}
catch (Exception ex)
{
HandleDisconnectedKcd(k, ex);
}
}
/// <summary>
/// Add the socket of the KCD in the select sets as needed and manage
/// ktlstunnel.exe processes.
/// </summary>
private void PrepareStateForSelect(KcdThreadHost k, SelectSockets selectSockets, bool quenchFlag,
ref bool connWatchFlag)
{
// Note: the KCD should never have received a message when this function
// is called. The function UpdateStateAfterSelect() is responsible for
// doing all the transfers and handling any message received after these
// transfers.
try
{
k.CheckNoMessageReceivedInvariant();
if (k.ConnStatus == KcdThreadConnStatus.Scheduled)
{
// Start ktlstunnel.exe.
k.ConnStatus = KcdThreadConnStatus.Connecting;
k.Tunnel.BeginConnect();
}
if (k.ConnStatus == KcdThreadConnStatus.Connecting)
{
// The TCP connection is now open.
if (k.Tunnel.CheckConnect())
{
// Send the select role command.
k.SendSelectRoleMsg();
// Wait for the reply to arrive.
k.ConnStatus = KcdThreadConnStatus.RoleReply;
}
// Wait for the TCP connection to be established. We busy wait
// to monitor the status of ktlstunnel.exe regularly, to detect
// the case where the connection fails.
else connWatchFlag = true;
}
if (k.ConnStatus == KcdThreadConnStatus.RoleReply)
{
// Wait for the reply to arrive.
if (!quenchFlag) k.Tunnel.UpdateSelect(selectSockets);
}
if (k.ConnStatus == KcdThreadConnStatus.Connected)
{
// Send the next message, if possible.
k.SendNextQueuedMsgIfNeeded();
if (!quenchFlag) k.Tunnel.UpdateSelect(selectSockets);
}
k.CheckNoMessageReceivedInvariant();
}
catch (Exception ex)
{
HandleDisconnectedKcd(k, ex);
}
}
