/// <summary>
///
/// </summary>
/// <param name="randomPort"></param>
public Server(bool randomPort)
{
this.SocketContainer = new SocketContainer();
setHostName(this.SocketContainer);
if (randomPort)
{
bool foundOpenPort = false;
this.SocketContainer.ListeningPort = PortNumberGenerator.getRandomPort();
while (!foundOpenPort)
{
try
{
Client c = new Client();
c.connect(this.SocketContainer.HostName, this.SocketContainer.ListeningPort);
c.disconnect();
this.SocketContainer.ListeningPort = PortNumberGenerator.getRandomPort();
}
catch (Exception)
{
foundOpenPort = true;
}
}
}
else
{
this.SocketContainer.ListeningPort = 2702; // use as default
Int32 listeningPort = 2702; // default
Int32.TryParse(ConfigurationManager.AppSettings[config.AppConfigSettingsConstants.ServerPort], out listeningPort); // if this fails, default is fine
this.SocketContainer.ListeningPort = listeningPort;
}
}
// public Dictionary<String, Object> SharedData { get; set; }
public Server()
{
this.SocketContainer = new SocketContainer();
setHostName(this.SocketContainer);
Int32 listeningPort = 2702; // default
Int32.TryParse(ConfigurationManager.AppSettings[config.AppConfigSettingsConstants.ServerPort], out listeningPort); // if this fails, default is fine
this.SocketContainer.ListeningPort = listeningPort;
}
void setHostName(SocketContainer srv)
{
String configHostName = ConfigurationManager.AppSettings[config.AppConfigSettingsConstants.ServerHostName];
if (!String.IsNullOrEmpty(configHostName))
{
srv.HostName = configHostName;
}
else
{
srv.HostName = IPv4Helper.getIPv4Address().ToString(); // want IP address for hostname
}
}
void acceptCallback(IAsyncResult iar)
{
SocketContainer srv = (SocketContainer)iar.AsyncState;
if (!srv.Listening)
{
return;
}
Socket worker = null;
try
{
// free up the main socket to accept requests immediately and assign socket to worker
worker = srv.MainSocket.EndAccept(iar);
// place main socket back in listening state for more connections
this.SocketContainer.MainSocket.BeginAccept(new AsyncCallback(acceptCallback), this.SocketContainer);
}
catch
{
try
{
// wait and try again
Thread.Sleep(100);
// free up the main socket to accept requests immediately and assign socket to worker
worker = this.SocketContainer.MainSocket.EndAccept(iar);
// place main socket back in listening state for more connections
this.SocketContainer.MainSocket.BeginAccept(new AsyncCallback(acceptCallback), this.SocketContainer);
}
catch { return; } // TODO: add thread safe logging to the reqhandle and log the beginaccept disposal
}
// copy reference to service state on our threadsafestateobject so shutdown can still be signaled
ThreadSafeStateObject state = new ThreadSafeStateObject(worker, new byte[ThreadSafeStateObject.BufferSize])
{
ServiceState = srv.ServiceState
};
srv.AllDone.Set();
worker.BeginReceive(state.Buffer, 0, ThreadSafeStateObject.BufferSize, SocketFlags.None, new AsyncCallback(dataReceivedCallback), state);
}
public Server(String hostName, Int32 listeningPort)
{
this.SocketContainer = new SocketContainer();
this.SocketContainer.HostName = hostName;
this.SocketContainer.ListeningPort = listeningPort;
}