public void UdpMulticastServerTest()
{
string listenAddress = "0.0.0.0";
string multicastAddress = "239.255.0.1";
int multicastPort = 3335;
// Create and start multicast server
var server = new MulticastUdpServer(IPAddress.Any, 0);
Assert.True(server.Start(multicastAddress, multicastPort));
while (!server.IsStarted)
{
Thread.Yield();
}
// Create and connect multicast client
var client1 = new MulticastUdpClient(listenAddress, multicastPort);
client1.SetupMulticast(true);
Assert.True(client1.Connect());
while (!client1.IsConnected)
{
Thread.Yield();
}
// Join multicast group
client1.JoinMulticastGroup(multicastAddress);
Thread.Sleep(100);
// Multicast some data to all clients
server.MulticastSync("test");
// Wait for all data processed...
while (client1.BytesReceived != 4)
{
Thread.Yield();
}
// Create and connect multicast client
var client2 = new MulticastUdpClient(listenAddress, multicastPort);
client2.SetupMulticast(true);
Assert.True(client2.Connect());
while (!client2.IsConnected)
{
Thread.Yield();
}
// Join multicast group
client2.JoinMulticastGroup(multicastAddress);
Thread.Sleep(100);
// Multicast some data to all clients
server.MulticastSync("test");
// Wait for all data processed...
while ((client1.BytesReceived != 8) || (client2.BytesReceived != 4))
{
Thread.Yield();
}
// Create and connect multicast client
var client3 = new MulticastUdpClient(listenAddress, multicastPort);
client3.SetupMulticast(true);
Assert.True(client3.Connect());
while (!client3.IsConnected)
{
Thread.Yield();
}
// Join multicast group
client3.JoinMulticastGroup(multicastAddress);
Thread.Sleep(100);
// Multicast some data to all clients
server.MulticastSync("test");
// Wait for all data processed...
while ((client1.BytesReceived != 12) || (client2.BytesReceived != 8) || (client3.BytesReceived != 4))
{
Thread.Yield();
}
// Leave multicast group
client1.LeaveMulticastGroup(multicastAddress);
Thread.Sleep(100);
// Disconnect the multicast client
Assert.True(client1.Disconnect());
while (client1.IsConnected)
{
Thread.Yield();
}
// Multicast some data to all clients
server.MulticastSync("test");
// Wait for all data processed...
while ((client1.BytesReceived != 12) || (client2.BytesReceived != 12) || (client3.BytesReceived != 8))
{
Thread.Yield();
}
// Leave multicast group
client2.LeaveMulticastGroup(multicastAddress);
Thread.Sleep(100);
// Disconnect the multicast client
Assert.True(client2.Disconnect());
while (client2.IsConnected)
{
Thread.Yield();
}
// Multicast some data to all clients
server.MulticastSync("test");
// Wait for all data processed...
while ((client1.BytesReceived != 12) || (client2.BytesReceived != 12) || (client3.BytesReceived != 12))
{
Thread.Yield();
}
// Leave multicast group
client3.LeaveMulticastGroup(multicastAddress);
Thread.Sleep(100);
// Disconnect the multicast client
Assert.True(client3.Disconnect());
while (client3.IsConnected)
{
Thread.Yield();
}
// Stop the Echo server
Assert.True(server.Stop());
while (server.IsStarted)
{
Thread.Yield();
}
// Check the multicast server state
Assert.True(server.Started);
Assert.True(server.Stopped);
Assert.True(server.BytesSent == 20);
Assert.True(server.BytesReceived == 0);
Assert.True(!server.Errors);
// Check the multicast client state
Assert.True(client1.BytesSent == 0);
Assert.True(client2.BytesSent == 0);
Assert.True(client3.BytesSent == 0);
Assert.True(client1.BytesReceived == 12);
Assert.True(client2.BytesReceived == 12);
Assert.True(client3.BytesReceived == 12);
Assert.True(!client1.Errors);
Assert.True(!client2.Errors);
Assert.True(!client3.Errors);
}
public void UdpMulticastServerRandomTest()
{
string listenAddress = "0.0.0.0";
string multicastAddress = "239.255.0.1";
int multicastPort = 3336;
// Create and start multicast server
var server = new MulticastUdpServer(IPAddress.Any, 0);
Assert.True(server.Start(multicastAddress, multicastPort));
while (!server.IsStarted)
{
Thread.Yield();
}
// Test duration in seconds
int duration = 10;
// Clients collection
var clients = new List <MulticastUdpClient>();
// Start random test
var rand = new Random();
var start = DateTime.UtcNow;
while ((DateTime.UtcNow - start).TotalSeconds < duration)
{
// Create a new client and connect
if ((rand.Next() % 100) == 0)
{
if (clients.Count < 100)
{
// Create and connect Echo client
var client = new MulticastUdpClient(listenAddress, multicastPort);
clients.Add(client);
client.SetupMulticast(true);
client.Connect();
while (!client.IsConnected)
{
Thread.Yield();
}
// Join multicast group
client.JoinMulticastGroup(multicastAddress);
Thread.Sleep(100);
}
}
// Connect/Disconnect the random client
else if ((rand.Next() % 100) == 0)
{
if (clients.Count > 0)
{
int index = rand.Next() % clients.Count;
var client = clients[index];
if (client.IsConnected)
{
// Leave multicast group
client.LeaveMulticastGroup(multicastAddress);
Thread.Sleep(100);
client.Disconnect();
while (client.IsConnected)
{
Thread.Yield();
}
}
else
{
client.Connect();
while (!client.IsConnected)
{
Thread.Yield();
}
// Join multicast group
client.JoinMulticastGroup(multicastAddress);
Thread.Sleep(100);
}
}
}
// Multicast a message to all clients
else if ((rand.Next() % 10) == 0)
{
server.MulticastSync("test");
}
// Sleep for a while...
Thread.Sleep(1);
}
// Disconnect clients
foreach (var client in clients)
{
client.Disconnect();
while (client.IsConnected)
{
Thread.Yield();
}
}
// Stop the multicast server
Assert.True(server.Stop());
while (server.IsStarted)
{
Thread.Yield();
}
// Check the multicast server state
Assert.True(server.Started);
Assert.True(server.Stopped);
Assert.True(server.BytesSent > 0);
Assert.True(server.BytesReceived == 0);
Assert.True(!server.Errors);
}