/// <summary>
/// It will send all connected clients a specific message
/// </summary>
/// <param name="cmdCode">can be one of the <code>eResponseTypes</code> codes or any user defined codes</param>
/// <param name="content">can be null</param>
/// <param name="excludedAgent">message will not be sent to this specific agent, can be null</param>
/// <param name="desc"></param>
public void BroadcastMessage(int cmdCode, string content, AgentRelay excludedAgent)
{
lock (m_Agents)
{
foreach (AgentRelay agent in m_Agents)
{
if (agent == null || agent.IsFaulty)
{
continue;
}
try
{
if (excludedAgent != null && excludedAgent == agent)
{
continue;
}
if (content == null)
{
agent.SendMessage(cmdCode);
}
else
{
agent.SendMessage(cmdCode, content);
}
}
catch { }
}
}
}
public static AgentRelay FromClient(TcpClient client)
{
AgentRelay relay = new AgentRelay();
relay.m_TcpClient = client;
relay.m_RawSocket = client.Client;
relay.StartWorker();
return(relay);
}
/// <summary>
/// Main server thread
/// </summary>
private void WorkerThread()
{
DateTime dtLastActivityReportSent = DateTime.Now;
TimeSpan tsGuardTime = TimeSpan.FromSeconds(15);
while (!m_evStop.WaitOne(500))
{
lock (m_tcpListener)
{
if (m_AcceptIncommingConnections)
{
if (m_tcpListener.Pending())
{
try
{
AgentRelay agent = AgentRelay.FromClient(m_tcpListener.AcceptTcpClient());
if (agent.IsFaulty)
{
agent.Disconnect();
agent = null;
}
else
{
if (OnNewAgentConnected != null)
{
OnNewAgentConnected(agent);
}
// Append it to agents list
lock (m_Agents)
{
m_Agents.Add(agent);
}
}
}
catch (Exception ex)
{
if (OnServerFailedToAcceptConnection != null)
{
OnServerFailedToAcceptConnection(ex);
}
}
}
}
} // lock
// Remove Faulties 91/08/01
for (int i = 0; i < m_Agents.Count; i++)
{
if (m_Agents[i].IsFaulty)
{
m_Agents[i].Disconnect();
m_Agents[i] = null;
m_Agents.RemoveAt(i);
--i;
}
}
// Report clients about us
if (m_bEnableAutoHandshake && (DateTime.Now - dtLastActivityReportSent > tsGuardTime))
{
for (int i = 0; i < m_Agents.Count; i++)
{
// It is clear, if the other side is not accessable, it will become Faulty
// so there is no need to check handshake result for that.
try { m_Agents[i].StartHandshakeAsync(); }
catch { }
}
dtLastActivityReportSent = DateTime.Now;
}
}
// Close all connections and cleanup...
if (m_bAutoCleanupConnections)
{
lock (m_Agents)
{
for (int i = 0; i < m_Agents.Count; i++)
{
m_Agents[i].Dispose();
m_Agents[i] = null;
}
m_Agents.Clear();
}
}
}
