/// <summary>
/// This method gets called when the remote service provider closes the
/// connection.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnDisconnected(Object sender, TcpSocketNotificationEventArgs e)
{
lock (_connections)
{
if (ServiceHost.Instance.DebugConnections)
{
Console.WriteLine(String.Format("Lost connection #{0} to remote service.",
e.Socket.ChannelId));
}
Connection connection;
if (!_connections.TryGetValue(e.Socket.ChannelId, out connection))
{
Console.WriteLine(String.Format("Error: Failed to remove connection #{0}.",
e.Socket.ChannelId));
return;
}
lock (Sockets)
{
Sockets.Remove(e.Socket);
}
--_connectedServicesCount;
var handler = DisconnectedRemoteService;
if (handler != null)
{
handler(this, new DisconnectedRemoteServiceArgs(
connection.HostGuid, connection.ServiceGuid));
}
_connections.Remove(e.Socket.ChannelId);
}
}
/// <summary>
/// The attempt to connect to the remote service has failed for whatever
/// reason.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnConnectFailed(Object sender, TcpSocketNotificationEventArgs e)
{
// This may happen if the remote service died right after broadcasting
// its address.
/// ToDo: Print out some log message.
Console.WriteLine(String.Format("Warning: Connection #{0} failed.",
e.Socket.ChannelId));
}
/// <summary>
/// This method gets called when the connection to a service has been
/// established.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <remarks>
/// The method sends the initial handshake message, which is used to
/// validate that the two services actually match (using their
/// serviceTypeId, serviceGuids and hostGuids) and to agree on a
/// protocol version supported by both ends. The answer will be received
/// using onReceiveHandshake. If the remote service rejects the connect
/// attempt it will close the connection and thus result in a call to
/// onDisconnected.
/// </remarks>
private void OnConnected(Object sender, TcpSocketNotificationEventArgs e)
{
e.Socket.MessageReceived += OnReceiveHandshake;
if (!IsProvider)
{
SendHandshake(e.Socket);
}
if (ServiceHost.Instance.DebugConnections)
{
Console.WriteLine(String.Format("Established connection #{0} to remote service.",
e.Socket.ChannelId));
}
}
private void OnClientDisconnected(object sender, TcpSocketNotificationEventArgs e)
{
}
