/// <summary>
/// Konstruktor serwera.
/// </summary>
/// <param name="port">Port nasłuchu</param>
/// <param name="timeout">Timeout w sekundach</param>
public Server(int port, TimeSpan timeout)
{
this.port = port;
this.timeout = timeout;
listener = new NetworkListener(port, ConnectionHandler);
computationalNodes = new List<ComputationalNode>();
taskManagers = new List<TaskManager>();
problems = new List<Problem>();
lockObj = new object();
backgroundToken = new CancellationTokenSource();
debug = new MessagePrinter(NodeName.CS);
timeEps = new TimeSpan(0, 0, 5);
}
public void TestWork()
{
NetworkListener.ConnectionHandler ch = (d, cc) => { cc.Send(d); };
byte[] data = new Register(NodeType.ComputationalNode, 1, new List<string>() { "test1", "test2" }).GetXmlData();
byte[] bytes = null;
NetworkClient nc = null;
memcmp mcmp = (d1, d2) => { if (d1.Length != d2.Length) return false;
for (int i = 0; i < d1.Length; ++i)
if (d1[i] != d2[i])
return false;
return true;
};
NetworkListener nl = null;
// *** Listener is started ***
nl = new NetworkListener(22222, ch);
Assert.IsNotNull(nl);
Thread t = new Thread(nl.Start);
t.Start();
// test for valid port firstly
nc = new NetworkClient("localhost", 22222);
bytes = nc.Work(data);
Assert.IsNotNull(bytes);
Assert.IsTrue(mcmp(bytes, data));
// test if data is null
Assert.IsNull(nc.Work(null));
// test for invalid address
nc = new NetworkClient(null, 22222);
Assert.IsNull(nc.Work(data));
// test for invalid port number (negative)
nc = new NetworkClient("localhost", -1);
Assert.IsNull(nc.Work(data));
// test for invalid port (not listening port)
nc = new NetworkClient("localhost", 22221);
Assert.IsNull(nc.Work(data));
nl.Stop();
t.Abort();
t.Join();
// *** listener is not started ***
nl = new NetworkListener(22222, ch);
Assert.IsNotNull(nl);
// test for valid port firstly
nc = new NetworkClient("localhost", 22222);
bytes = nc.Work(data);
Assert.IsNull(bytes);
// test if data is null
Assert.IsNull(nc.Work(null));
// test for invalid address
nc = new NetworkClient(null, 22222);
Assert.IsNull(nc.Work(data));
// test for invalid port number (negative)
nc = new NetworkClient("localhost", -1);
Assert.IsNull(nc.Work(data));
// test for invalid port (not listening port)
nc = new NetworkClient("localhost", 22221);
Assert.IsNull(nc.Work(data));
}
public void TestStartStop()
{
NetworkListener.ConnectionHandler ch = (d, cc) => { cc.Send(d); };
byte[] data = new Register(NodeType.ComputationalNode, 1, new List<string>() { "test1", "test2" }).GetXmlData();
byte[] bytes = null;
NetworkClient nc = null;
NetworkListener nl = null;
NetworkClient[] _nc = null;
Thread[] _t = null;
Thread t = null;
bool?[] _state = null;
const int port = 22222;
memcmp mcmp = (d1, d2) => { if (d1.Length != d2.Length) return false;
for (int i = 0; i < d1.Length; ++i)
if (d1[i] != d2[i])
return false;
return true;
};
// *** Valid port: Listener is started (one client) ***
nl = new NetworkListener(port, ch);
Assert.IsNotNull(nl);
t = new Thread(nl.Start);
Assert.IsNotNull(t);
t.Start();
nc = new NetworkClient("localhost", port);
bytes = nc.Work(data);
Assert.IsNotNull(bytes);
Assert.IsTrue(mcmp(bytes, data));
// cleaning
nl.Stop();
Assert.IsFalse(nl.IsRunning());
t.Abort();
t.Join();
// *** Invalid port: Listener is trying to start ***
nl = new NetworkListener(-1, ch);
Assert.IsNotNull(nl);
nl.Start();
Assert.IsFalse(nl.IsRunning());
// *** Valid port: Listener is started (few clients) ***
nl = new NetworkListener(port, ch);
Assert.IsNotNull(nl);
t = new Thread(nl.Start);
Assert.IsNotNull(t);
t.Start();
// few clients connection simulation
const int clients = 5;
_nc = new NetworkClient[clients];
_t = new Thread[clients];
_state = new bool?[clients];
Assert.IsNotNull(_nc);
Assert.IsNotNull(_t);
Assert.IsNotNull(_state);
/*
for (int j = 0; j < clients; ++j) {
_nc[j] = new NetworkClient("localhost", port);
_t[j] = new Thread(() => {
byte[] _b = _nc[j].Work(data);
if (_b == null) {
_state[j] = false;
return;
}
//Assert.IsTrue(mcmp(_b, data));
_state[j] = mcmp(_b, data);
});
_t[j].Start();
}
*/
_nc[0] = new NetworkClient("localhost", port);
_t[0] = new Thread(() =>
{
byte[] _b = _nc[0].Work(data);
if (_b == null)
{
_state[0] = false;
return;
}
//Assert.IsTrue(mcmp(_b, data));
_state[0] = mcmp(_b, data);
});
_t[0].Start();
_nc[1] = new NetworkClient("localhost", port);
_t[1] = new Thread(() =>
{
byte[] _b = _nc[1].Work(data);
if (_b == null)
{
_state[1] = false;
return;
}
//Assert.IsTrue(mcmp(_b, data));
_state[1] = mcmp(_b, data);
});
_t[1].Start();
_nc[2] = new NetworkClient("localhost", port);
_t[2] = new Thread(() =>
{
byte[] _b = _nc[2].Work(data);
if (_b == null)
{
_state[2] = false;
return;
}
//Assert.IsTrue(mcmp(_b, data));
_state[2] = mcmp(_b, data);
});
_t[2].Start();
_nc[3] = new NetworkClient("localhost", port);
_t[3] = new Thread(() =>
{
byte[] _b = _nc[3].Work(data);
if (_b == null)
{
_state[3] = false;
return;
}
//Assert.IsTrue(mcmp(_b, data));
_state[3] = mcmp(_b, data);
});
_t[3].Start();
_nc[4] = new NetworkClient("localhost", port);
_t[4] = new Thread(() =>
{
byte[] _b = _nc[4].Work(data);
if (_b == null)
{
_state[4] = false;
return;
}
//Assert.IsTrue(mcmp(_b, data));
_state[4] = mcmp(_b, data);
});
_t[4].Start();
// czekanie na wątki klientów
for (int k = 0; k < clients; ++k) {
_t[k].Join();
Assert.IsTrue((bool)_state[k]);
}
// cleaning
nl.Stop();
t.Abort();
t.Join();
}
