static void Main(string[] args)
{
//Create chat server instance
var chatServer = new ChatServer();
//Remote Hub Switch
remoteHubSwitch = new RemoteHubSwitch();
remoteHubSwitch.ConnectionErrorOccurred += RemoteHubSwitch_ConnectionErrorOccurred;
remoteHubSwitch.AdapterRemoved += RemoteHubSwitch_AdapterRemoved;
//Tcp server
ClientEntity.InitializeServerCertificate(serverIP, "TestServer");
tcpListener = new TcpListener(serverIP, serverPort);
tcpListener.Start();
var accepting = Task.Run(() => TcpServerAcceptLinks(shutdownSignal.Token));
//Local client on RemoteHub
var siteId = ServerId.SiteId;
localClient = new RemoteHubSwitchDirect <string>(siteId, OnMessageReceivedFromRemoteHub);
localClient.RemoteClientRemoved += RemoteHubClient_RemoteClientRemoved;
remoteHubSwitch.AddAdapter(localClient);
//Remote Agency
remoteAgency = new RemoteAgencyManagerEncapsulated(false, true, siteId);
remoteAgency.MessageForSendingPrepared += OnMessageForSendingPrepared;
remoteAgency.AddServiceWrapper <IChatServer>(chatServer, ServerId.ServiceId);
//localClient.Start(); //started already. when SwitchDirect is added to switch, it will be started automatically.
remoteAgency.Connect();
Console.WriteLine("Chat server is started. Press any key to quit.");
Console.ReadKey(true);
shutdownSignal.Cancel();
tcpListener.Stop();
remoteAgency.Disconnect(false);
remoteAgency.Dispose();
localClient.Stop();
localClient.Dispose();
remoteHubSwitch.RemoveAllAdapters();
foreach (var client in clients)
{
client.Dispose();
}
clients.Clear();
}
static void TcpServerAcceptLinks(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
TcpClient tcpClient;
try
{
tcpClient = tcpListener.AcceptTcpClient();
ClientEntity entity = new ClientEntity(tcpClient);
remoteHubSwitch.AddAdapter((StreamAdapter <byte[]>)entity.Adapter);
Console.WriteLine("Hub: Add Client: " + entity.EndPoint);
lock (clients)
{
clients.Add(entity);
}
}
catch
{
continue;
}
}
}
static void ConnectAndDisconnectSwitchTest(RemoteHubSwitch remoteHubSwitch1, StreamAdapter <byte[]> streamAdaptersOnSwitch1)
{
//Sending test messages
Task sending = Task.Run(async() => await SendTestMessages());
sending.Wait();
//disconnect switches
Console.WriteLine("Disconnecting...");
remoteHubSwitch1.RemoveAdapter(streamAdaptersOnSwitch1);
//Sending test messages
Console.WriteLine("There should be some messages missing due to disconnection.");
sending = Task.Run(async() => await SendTestMessages());
sending.Wait();
//reconnect switches
Console.WriteLine("Reconnecting...");
remoteHubSwitch1.AddAdapter(streamAdaptersOnSwitch1);
//Sending test messages
sending = Task.Run(async() => await SendTestMessages());
sending.Wait();
}
static void VirtualHostTest(RemoteHubSwitch remoteHubSwitch1, StreamAdapter <byte[]> streamAdaptersOnSwitch1, IRemoteHub <string> sender)
{
sender.RemoteClientUpdated += Sender_RemoteClientUpdated;
//reg
Console.WriteLine("Please wait for several seconds and press any key to reg virtual hosts...");
Console.ReadKey(true);
Guid virtualHostId = Guid.NewGuid();
foreach (var client in clients)
{
client.ApplyVirtualHosts(new KeyValuePair <Guid, VirtualHostSetting>(virtualHostId, new VirtualHostSetting(0, 1)));
}
//clients[0].ApplyVirtualHosts(new KeyValuePair<Guid, VirtualHostSetting>(virtualHostId, new VirtualHostSetting(1, 1))); //this command will add higher setting on only clients[0] which will suppress all other clients on the same virtual host.
Console.WriteLine("Please wait for several seconds and press any key to continue sending test...");
Console.ReadKey(true);
//send
for (int i = 0; i < 100; i++)
{
if (sender.TryResolveVirtualHost(virtualHostId, out var hostId))
{
string testMessage = string.Format("<-- {0:D2}: To Virtual Host on {1} -->", i, clientNames[hostId]);
waitingTexts.Add(testMessage);
sender.SendMessage(hostId, testMessage);
}
}
Console.WriteLine("Press any key to continue...");
Console.ReadKey(true);
if (waitingTexts.Count > 0)
{
foreach (var text in waitingTexts)
{
Console.WriteLine("Missing message: " + text);
}
waitingTexts.Clear();
}
else
{
Console.WriteLine("All message received.");
}
//disconnect switch
Console.WriteLine("Disconnecting...");
remoteHubSwitch1.RemoveAdapter(streamAdaptersOnSwitch1);
//add switch direct link
Console.WriteLine("Adding client...");
RemoteHubSwitchDirect <string> clientDirect = new RemoteHubSwitchDirect <string>(Guid.NewGuid(), Received);
adapterNamesForSwitch1[clientDirect] = "To SwitchDirect"; //name the new created adapter as To SwitchDirect
clients.Add(clientDirect);
clientNames.Add(clientDirect.ClientId, "SwitchDirect"); //name the client as SwitchDirect
remoteHubSwitch1.AddAdapter(clientDirect);
//set another virtual host
clientDirect.ApplyVirtualHosts(new KeyValuePair <Guid, VirtualHostSetting>(virtualHostId, new VirtualHostSetting(0, 3)));
Console.WriteLine("Please wait a while for client (SwitchDirect) discovery and press any key to continue...");
//resume switch connection
Console.WriteLine("Reconnecting...");
remoteHubSwitch1.AddAdapter(streamAdaptersOnSwitch1);
Console.ReadKey(true);
//send
for (int i = 0; i < 100; i++)
{
if (sender.TryResolveVirtualHost(virtualHostId, out var hostId))
{
string testMessage = string.Format("<-- {0:D2}: To Virtual Host on {1} -->", i, clientNames[hostId]);
waitingTexts.Add(testMessage);
sender.SendMessage(hostId, testMessage);
}
}
Console.WriteLine("Press any key to continue...");
Console.ReadKey(true);
if (waitingTexts.Count > 0)
{
foreach (var text in waitingTexts)
{
Console.WriteLine("Missing message: " + text);
}
waitingTexts.Clear();
}
else
{
Console.WriteLine("All message received.");
}
}
static void AddRemoveClientTest(RemoteHubSwitch remoteHubSwitch2)
{
//adding a new client to Redis
string redisConnectionString = "localhost"; //define redis connection string
clients.Add(new RemoteHubOverRedis <string>(Guid.NewGuid(), redisConnectionString, Received)); //create one new client to redis and add it to the clients list
clientNames.Add(clients[4].ClientId, "New Redis Client"); //name the client as New Redis Client
clients[4].Start(); //start the new created client
//adding a new client and a connected adapter in pair to Switch 2
TcpListener tcpListener = new TcpListener(IPAddress.Any, 60005); //open one tcp listener
tcpListener.Start(); //start tcp listener
Task <TcpClient> acceptingTask = tcpListener.AcceptTcpClientAsync(); //waiting for connection
TcpClient[] tcpClients = new TcpClient[] //prepare 2 tcp links, connected in pair
{
new TcpClient("localhost", 60005),
acceptingTask.Result
};
tcpListener.Stop(); //stop listener
NetworkStream[] streamsOfTcpClients = Array.ConvertAll(tcpClients, i => i.GetStream()); //get network streams from tcp links.
StreamAdapter <byte[]> streamAdapterOnSwitch2 = new StreamAdapter <byte[]>(streamsOfTcpClients[0], streamsOfTcpClients[0]); //create adapter from one stream
adapterNamesForSwitch2[streamAdapterOnSwitch2] = "To New Stream Client"; //name the new created adapter as To New Stream Client
clients.Add(new RemoteHubOverStream <string>(Guid.NewGuid(), streamsOfTcpClients[1], streamsOfTcpClients[1], Received)); //create one client based on the other stream which is connected to the stream adapter.
clientNames.Add(clients[5].ClientId, "New Stream Client"); //name the client as New Stream Client
clients[5].Start(); //start the new created client
remoteHubSwitch2.AddAdapter(streamAdapterOnSwitch2); //add the switch adapter to Switch 2
Console.WriteLine("Please wait a while for clients (New Stream Client & New Redis Client) discovery.");
//Sending test messages
Task sending = Task.Run(async() => await SendTestMessages());
sending.Wait();
//removing the new added clients
remoteHubSwitch2.RemoveAdapter(streamAdapterOnSwitch2);
streamAdapterOnSwitch2.Stop();
streamAdapterOnSwitch2.Dispose();
adapterNamesForSwitch2.Remove(streamAdapterOnSwitch2);
clients[5].Stop();
((IDisposable)clients[5]).Dispose();
clients.RemoveAt(5);
clients[4].Stop();
((IDisposable)clients[4]).Dispose();
clients.RemoveAt(4);
foreach (var stream in streamsOfTcpClients)
{
stream.Close();
stream.Dispose();
}
foreach (var tcpClient in tcpClients)
{
tcpClient.Close();
tcpClient.Dispose();
}
Console.WriteLine("Please wait a while for clients (New Stream Client & New Redis Client) removal.");
//Sending test messages
sending = Task.Run(async() => await SendTestMessages());
sending.Wait();
}
static void Main(string[] args)
{
//Redis part
string redisConnectionString = "localhost"; //define redis connection string
clients.Add(new RemoteHubOverRedis <string>(Guid.NewGuid(), redisConnectionString, Received)); //create one client to redis and add it to the clients list
clients.Add(new RemoteHubOverRedis <string>(Guid.NewGuid(), redisConnectionString, Received)); //create one more client to redis and add it to the clients list
clientNames.Add(clients[0].ClientId, "Client 0"); //name the 1st client as Client 0
clientNames.Add(clients[1].ClientId, "Client 1"); //name the 2nd client as Client 1
clients[0].Start(); //start the 1st client
clients[1].Start(); //start the 2nd client
RedisAdapter <byte[]> redisAdapterOnRedisHub = new RedisAdapter <byte[]>(redisConnectionString); //create an adapter connected to redis for later using in Switch 2
//Switch1 part
TcpListener[] tcpListeners = new TcpListener[] //open 3 tcp listeners
{
new TcpListener(IPAddress.Loopback, 60002),
new TcpListener(IPAddress.Loopback, 60003),
new TcpListener(IPAddress.Loopback, 60004)
};
foreach (var tcpListener in tcpListeners) //start tcp listeners
{
tcpListener.Start();
}
Task <TcpClient>[] acceptingTasks = Array.ConvertAll(tcpListeners, i => i.AcceptTcpClientAsync()); //waiting for connection for each server
TcpClient[] tcpClients = new TcpClient[] //prepare 6 tcp links, connection relation: 0<->3, 1<->4, 2<->5
{
new TcpClient("localhost", 60002),
new TcpClient("localhost", 60003),
new TcpClient("localhost", 60004),
acceptingTasks[0].Result,
acceptingTasks[1].Result,
acceptingTasks[2].Result
};
foreach (var tcpListener in tcpListeners) //stop all listeners
{
tcpListener.Stop();
}
NetworkStream[] streamsOfTcpClients = Array.ConvertAll(tcpClients, i => i.GetStream()); //get network streams from tcp links.
StreamAdapter <byte[]>[] streamAdaptersOnSwitch1 = new StreamAdapter <byte[]>[] //create adapters from first 3 tcp links.
{
new StreamAdapter <byte[]>(streamsOfTcpClients[0], streamsOfTcpClients[0]),
new StreamAdapter <byte[]>(streamsOfTcpClients[1], streamsOfTcpClients[1]),
new StreamAdapter <byte[]>(streamsOfTcpClients[2], streamsOfTcpClients[2])
};
adapterNamesForSwitch1[streamAdaptersOnSwitch1[0]] = "To Client 2"; //name the 1st adapter as To Client 2
adapterNamesForSwitch1[streamAdaptersOnSwitch1[1]] = "To Client 3"; //name the 2nd adapter as To Client 3
adapterNamesForSwitch1[streamAdaptersOnSwitch1[2]] = "To Switch 2"; //name the 3rd adapter as To Switch 2 for later using in Switch 2
clients.Add(new RemoteHubOverStream <string>(Guid.NewGuid(), streamsOfTcpClients[3], streamsOfTcpClients[3], Received)); //create one client based on the 3rd stream which is connected to the 1st stream adapter.
clients.Add(new RemoteHubOverStream <string>(Guid.NewGuid(), streamsOfTcpClients[4], streamsOfTcpClients[4], Received)); //create one more client based on the 4th stream which is connected to the 2nd stream adapter.
clientNames.Add(clients[2].ClientId, "Client 2"); //name the new created client as Client 2
clientNames.Add(clients[3].ClientId, "Client 3"); //name the 2nd new created client as Client 3
clients[2].Start(); //start the new created client
clients[3].Start(); //start the 2nd new created client
StreamAdapter <byte[]> streamAdapterOnSwitch2 = new StreamAdapter <byte[]>(streamsOfTcpClients[5], streamsOfTcpClients[5]); //create one adapter based on the 5th stream which is connected to the 3rd stream adapter.
RemoteHubSwitch remoteHubSwitch1 = new RemoteHubSwitch(); //create the 1st Switch
remoteHubSwitch1.RemoteClientAdded += RemoteHubSwitch1_RemoteClientAdded;
remoteHubSwitch1.RemoteClientChanged += RemoteHubSwitch1_RemoteClientChanged;
remoteHubSwitch1.RemoteClientRemoved += RemoteHubSwitch1_RemoteClientRemoved;
//remoteHubSwitch1.MessageRouted += RemoteHubSwitch1_MessageRouted;
//remoteHubSwitch1.MessageRoutingFailed += RemoteHubSwitch1_MessageRoutingFailed;
remoteHubSwitch1.AddAdapters(streamAdaptersOnSwitch1); //add the new created adapter to the 1st Switch
//Switch2 part
adapterNamesForSwitch2[redisAdapterOnRedisHub] = "To Redis"; //name the redis adapter for switch 2 as To Redis
adapterNamesForSwitch2[streamAdapterOnSwitch2] = "To Switch 1"; //name the stream adapter for switch 2 as To Switch 1
RemoteHubSwitch remoteHubSwitch2 = new RemoteHubSwitch(); //create the 2nd Switch
remoteHubSwitch2.RemoteClientAdded += RemoteHubSwitch2_RemoteClientAdded;
remoteHubSwitch2.RemoteClientChanged += RemoteHubSwitch2_RemoteClientChanged;
remoteHubSwitch2.RemoteClientRemoved += RemoteHubSwitch2_RemoteClientRemoved;
//remoteHubSwitch2.MessageRouted += RemoteHubSwitch2_MessageRouted;
//remoteHubSwitch2.MessageRoutingFailed += RemoteHubSwitch2_MessageRoutingFailed;
remoteHubSwitch2.AddAdapter(redisAdapterOnRedisHub); //add the redis adapter to Switch 2
remoteHubSwitch2.AddAdapter(streamAdapterOnSwitch2); //add the switch adapter to Switch 2
//Test
SimpleMessageTest();
//AddRemoveClientTest(remoteHubSwitch2);
//ConnectAndDisconnectSwitchTest(remoteHubSwitch1, streamAdaptersOnSwitch1[2]);
//VirtualHostTest(remoteHubSwitch1, streamAdaptersOnSwitch1[2], clients[2]);
Console.WriteLine("Press any key to quit...");
Console.ReadKey(true);
//Dispose
foreach (var client in clients) //stop all clients
{
client.Stop();
((IDisposable)client).Dispose();
}
remoteHubSwitch1.RemoveAllAdapters(true); //remove all adapters attached in Switch 1
remoteHubSwitch2.RemoveAllAdapters(true); //remove all adapters attached in Switch 2
redisAdapterOnRedisHub.Dispose();
streamAdapterOnSwitch2.Dispose();
foreach (var adapter in streamAdaptersOnSwitch1)
{
adapter.Dispose();
}
foreach (var stream in streamsOfTcpClients)
{
stream.Close();
stream.Dispose();
}
foreach (var tcpClient in tcpClients)
{
tcpClient.Close();
tcpClient.Dispose();
}
}