// Set address to listen on. return the used port
public virtual void SetAddress(String addr)
{
m_address.Resolve(addr, m_options.IPv4Only);
m_endpoint = m_address.ToString();
try
{
m_handle = AsyncSocket.Create(m_address.Address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
if (!m_options.IPv4Only && m_address.Address.AddressFamily == AddressFamily.InterNetworkV6)
{
try
{
// This is not supported on old windows operation system and might throw exception
m_handle.SetSocketOption(SocketOptionLevel.IPv6, IPv6Only, 0);
}
catch
{
}
}
m_handle.ExclusiveAddressUse = false;
m_handle.Bind(m_address.Address);
m_handle.Listen(m_options.Backlog);
m_socket.EventListening(m_endpoint, m_handle);
m_port = m_handle.LocalEndPoint.Port;
}
catch (SocketException ex)
{
Close();
throw NetMQException.Create(ex);
}
}
// Internal function to start the actual connection establishment.
private void StartConnecting()
{
Debug.Assert(m_s == null);
// Create the socket.
try
{
m_s = AsyncSocket.Create(m_addr.Resolved.Address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
}
catch (SocketException)
{
AddReconnectTimer();
return;
}
m_ioObject.AddSocket(m_s);
m_handleValid = true;
// Connect to the remote peer.
try
{
m_s.Connect(m_addr.Resolved.Address.Address, m_addr.Resolved.Address.Port);
m_socket.EventConnectDelayed(m_endpoint, ErrorCode.InProgres);
}
catch (SocketException ex)
{
OutCompleted(ex.SocketErrorCode, 0);
}
}
private void Accept()
{
m_acceptedSocket = AsyncSocket.Create(m_address.Address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
// start accepting socket async
m_handle.Accept(m_acceptedSocket);
}
/// <summary>
/// Internal function to start the actual connection establishment.
/// </summary>
private void StartConnecting()
{
Debug.Assert(m_s == null);
// Create the socket.
try
{
m_s = AsyncSocket.Create(m_addr.Resolved.Address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
}
catch (SocketException)
{
AddReconnectTimer();
return;
}
m_ioObject.AddSocket(m_s);
m_handleValid = true;
// Connect to the remote peer.
try
{
m_s.Connect(m_addr.Resolved.Address.Address, m_addr.Resolved.Address.Port);
m_socket.EventConnectDelayed(m_endpoint, ErrorCode.InProgress);
}
catch (SocketException ex)
{
OutCompleted(ex.SocketErrorCode, 0);
}
// TerminatingException can occur in above call to EventConnectDelayed via
// MonitorEvent.Write if corresponding PairSocket has been sent Term command
catch (TerminatingException)
{}
}
private void Accept()
{
m_acceptedSocket = AsyncSocket.Create(m_address.Address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
// start accepting socket async
m_handle.Accept(m_acceptedSocket);
// Disable TIME_WAIT tcp state
if (m_options.DisableTimeWait)
{
m_handle.LingerState = new LingerOption(true, 0);
}
}
/// <summary>
/// Set address to listen on.
/// </summary>
/// <param name="addr">a string denoting the address to set this to</param>
public virtual void SetAddress(string addr)
{
m_address.Resolve(addr, m_options.IPv4Only);
Assumes.NotNull(m_address.Address);
try
{
m_handle = AsyncSocket.Create(m_address.Address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
Assumes.NotNull(m_handle);
if (!m_options.IPv4Only && m_address.Address.AddressFamily == AddressFamily.InterNetworkV6)
{
try
{
// This is not supported on old windows operating systems and might throw exception
m_handle.SetSocketOption(SocketOptionLevel.IPv6, IPv6Only, 0);
}
catch
{
}
}
#if NETSTANDARD2_0 || NETSTANDARD2_1
// This command is failing on linux
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
m_handle.ExclusiveAddressUse = false;
}
#else
m_handle.ExclusiveAddressUse = false;
#endif
m_handle.Bind(m_address.Address);
m_handle.Listen(m_options.Backlog);
// Copy the port number after binding in case we requested a system-allocated port number (TCP port zero)
m_address.Address.Port = m_handle.LocalEndPoint.Port;
m_endpoint = m_address.ToString();
m_socket.EventListening(m_endpoint, m_handle);
m_port = m_handle.LocalEndPoint.Port;
}
catch (SocketException ex)
{
Close();
throw NetMQException.Create(ex);
}
}
/// <summary>
/// Set address to listen on.
/// </summary>
/// <param name="addr">a string denoting the address to set this to</param>
public virtual void SetAddress([NotNull] string addr)
{
this.m_address.Resolve(addr, this.m_options.IPv4Only);
try
{
this.m_handle = AsyncSocket.Create(this.m_address.Address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
Debug.Assert(this.m_handle != null);
if (!this.m_options.IPv4Only && this.m_address.Address.AddressFamily == AddressFamily.InterNetworkV6)
{
try
{
// This is not supported on old windows operation system and might throw exception
this.m_handle.SetSocketOption(SocketOptionLevel.IPv6, TcpListener.IPv6Only, 0);
}
catch
{
}
}
#if NETSTANDARD1_3
// This command is failing on linux
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
m_handle.ExclusiveAddressUse = false;
}
#else
this.m_handle.ExclusiveAddressUse = false;
#endif
this.m_handle.Bind(this.m_address.Address);
this.m_handle.Listen(this.m_options.Backlog);
// Copy the port number after binding in case we requested a system-allocated port number (TCP port zero)
this.m_address.Address.Port = this.m_handle.LocalEndPoint.Port;
this.m_endpoint = this.m_address.ToString();
this.m_socket.EventListening(this.m_endpoint, this.m_handle);
this.m_port = this.m_handle.LocalEndPoint.Port;
}
catch (SocketException ex)
{
this.Close();
throw NetMQException.Create(ex);
}
}
/// <summary>
/// Perform initialization of this PgmSocket, including creating the socket handle.
/// </summary>
internal void Init()
{
#if DEBUG
// Don't want to bloat the code with excessive debugging information, unless this is a DEBUG build. jh
try
{
#endif
this.Handle = AsyncSocket.Create(AddressFamily.InterNetwork, SocketType.Rdm, PgmSocket.PgmProtocolType);
#if DEBUG
}
catch (SocketException x)
{
string xMsg = $"SocketException with SocketErrorCode={x.SocketErrorCode}, Message={x.Message}, in PgmSocket.Init, within AsyncSocket.Create(AddressFamily.InterNetwork, SocketType.Rdm, PGM_PROTOCOL_TYPE), {this}";
Debug.WriteLine(xMsg);
// If running on Microsoft Windows, suggest to the developer that he may need to install MSMQ in order to get PGM socket support.
#if NETSTANDARD1_3
bool isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
#else
PlatformID p = Environment.OSVersion.Platform;
bool isWindows = true;
switch (p)
{
case PlatformID.Win32NT:
break;
case PlatformID.Win32S:
break;
case PlatformID.Win32Windows:
break;
default:
isWindows = false;
break;
}
#endif
if (isWindows)
{
Debug.WriteLine("For Microsoft Windows, you may want to check to see whether you have installed MSMQ on this host, to get PGM socket support.");
}
throw new FaultException(x, xMsg);
}
#endif
this.Handle.ExclusiveAddressUse = false;
this.Handle.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
}
public void KeepAlive()
{
var socket = AsyncSocket.Create(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
tcp_keepalive tcpKeepalive = new tcp_keepalive();
tcpKeepalive.onoff = 1;
tcpKeepalive.keepaliveinterval = 1000;
tcpKeepalive.keepalivetime = 1000;
int size = Marshal.SizeOf(tcpKeepalive);
byte[] arr = new byte[size];
IntPtr ptr = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(tcpKeepalive, ptr, true);
Marshal.Copy(ptr, arr, 0, size);
Marshal.FreeHGlobal(ptr);
socket.IOControl(IOControlCode.KeepAliveValues, (byte[])arr, null);
}
static void Main(string[] args)
{
ForceDotNet.Force();
CompletionPort completionPort = CompletionPort.Create();
AutoResetEvent listenerEvent = new AutoResetEvent(false);
AutoResetEvent clientEvent = new AutoResetEvent(false);
AutoResetEvent serverEvent = new AutoResetEvent(false);
AsyncSocket listener = AsyncSocket.Create(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
completionPort.AssociateSocket(listener, listenerEvent);
AsyncSocket server = AsyncSocket.Create(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
completionPort.AssociateSocket(server, serverEvent);
AsyncSocket client = AsyncSocket.Create(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
completionPort.AssociateSocket(client, clientEvent);
Task.Factory.StartNew(() =>
{
CompletionStatus [] completionStatuses = new CompletionStatus[10];
int removed;
while (true)
{
var result = completionPort.GetMultipleQueuedCompletionStatus(-1, completionStatuses, out removed);
for (int i = 0; i < removed; i++)
{
var completionStatus = completionStatuses[i];
Console.WriteLine("{0} {1} {2}", completionStatus.SocketError, completionStatus.OperationType,
completionStatus.BytesTransferred);
if (completionStatus.State != null)
{
AutoResetEvent resetEvent = (AutoResetEvent)completionStatus.State;
resetEvent.Set();
}
}
Console.WriteLine("Handled {0} statuses", removed);
Thread.Sleep(100);
}
});
listener.Bind(IPAddress.Any, 5555);
listener.Listen(1);
//Console.WriteLine(listener.LocalEndPoint);
client.Bind(IPAddress.Any, 0);
client.Connect("localhost", 5555);
////Thread.Sleep(100);
listener.Accept(server);
listenerEvent.WaitOne();
clientEvent.WaitOne();
byte[] sendBuffer = new byte[1] {
2
};
byte[] recvBuffer = new byte[1];
server.Receive(recvBuffer);
client.Send(sendBuffer);
clientEvent.WaitOne();
serverEvent.WaitOne();
////Console.WriteLine("server received");
Console.ReadLine();
}
internal void InitReceiver()
{
Handle = AsyncSocket.Create(AddressFamily.InterNetwork, SocketType.Rdm, PgmProtocolType);
}
internal void InitReceiver()
{
Handle = AsyncSocket.Create(AddressFamily.InterNetwork, SocketType.Rdm, PGM_PROTOCOL_TYPE);
}
internal void Init()
{
Handle = AsyncSocket.Create(AddressFamily.InterNetwork, SocketType.Rdm, PGM_PROTOCOL_TYPE);
Handle.ExclusiveAddressUse = false;
Handle.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
}
public static void Main(string[] args)
{
CompletionPort completionPort = CompletionPort.Create();
AutoResetEvent listenerEvent = new AutoResetEvent(false);
AutoResetEvent clientEvent = new AutoResetEvent(false);
AutoResetEvent serverEvent = new AutoResetEvent(false);
AsyncSocket listener = AsyncSocket.Create(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
completionPort.AssociateSocket(listener, listenerEvent);
AsyncSocket server = AsyncSocket.Create(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
completionPort.AssociateSocket(server, serverEvent);
AsyncSocket client = AsyncSocket.Create(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
completionPort.AssociateSocket(client, clientEvent);
Task.Factory.StartNew(() =>
{
CompletionStatus completionStatus;
while (true)
{
var result = completionPort.GetQueuedCompletionStatus(-1, out completionStatus);
if (result)
{
Console.WriteLine("{0} {1} {2}", completionStatus.SocketError,
completionStatus.OperationType, completionStatus.BytesTransferred);
if (completionStatus.State != null)
{
AutoResetEvent resetEvent = (AutoResetEvent)completionStatus.State;
resetEvent.Set();
}
}
}
});
listener.Bind(IPAddress.Any, 5555);
listener.Listen(1);
client.Connect("localhost", 5555);
listener.Accept(server);
listenerEvent.WaitOne();
clientEvent.WaitOne();
byte[] sendBuffer = new byte[1] {
2
};
byte[] recvBuffer = new byte[1];
client.Send(sendBuffer);
server.Receive(recvBuffer);
clientEvent.WaitOne();
serverEvent.WaitOne();
server.Dispose();
client.Dispose();
Console.ReadLine();
}
