static void BeginSendToCallback (SocketAsyncResult sockares, int sent_so_far)
{
int total = 0;
try {
total = sockares.socket.SendTo_nochecks (sockares.Buffer, sockares.Offset, sockares.Size, sockares.SockFlags, sockares.EndPoint);
if (sockares.error == 0) {
sent_so_far += total;
sockares.Offset += total;
sockares.Size -= total;
}
if (sockares.Size > 0) {
IOSelector.Add (sockares.Handle, new IOSelectorJob (IOOperation.Write, s => BeginSendToCallback ((SocketAsyncResult) s, sent_so_far), sockares));
return; // Have to finish writing everything. See bug #74475.
}
sockares.Total = sent_so_far;
} catch (Exception e) {
sockares.Complete (e);
return;
}
sockares.Complete ();
}
public IAsyncResult BeginConnect (EndPoint end_point, AsyncCallback callback, object state)
{
ThrowIfDisposedAndClosed ();
if (end_point == null)
throw new ArgumentNullException ("end_point");
SocketAsyncResult sockares = new SocketAsyncResult (this, callback, state, SocketOperation.Connect) {
EndPoint = end_point,
};
// Bug #75154: Connect() should not succeed for .Any addresses.
if (end_point is IPEndPoint) {
IPEndPoint ep = (IPEndPoint) end_point;
if (ep.Address.Equals (IPAddress.Any) || ep.Address.Equals (IPAddress.IPv6Any)) {
sockares.Complete (new SocketException ((int) SocketError.AddressNotAvailable), true);
return sockares;
}
}
int error = 0;
if (connect_in_progress) {
// This could happen when multiple IPs are used
// Calling connect() again will reset the connection attempt and cause
// an error. Better to just close the socket and move on.
connect_in_progress = false;
safe_handle.Dispose ();
safe_handle = new SafeSocketHandle (Socket_internal (address_family, socket_type, protocol_type, out error), true);
if (error != 0)
throw new SocketException (error);
}
bool blk = is_blocking;
if (blk)
Blocking = false;
Connect_internal (safe_handle, end_point.Serialize (), out error);
if (blk)
Blocking = true;
if (error == 0) {
// succeeded synch
is_connected = true;
is_bound = true;
sockares.Complete (true);
return sockares;
}
if (error != (int) SocketError.InProgress && error != (int) SocketError.WouldBlock) {
// error synch
is_connected = false;
is_bound = false;
sockares.Complete (new SocketException (error), true);
return sockares;
}
// continue asynch
is_connected = false;
is_bound = false;
connect_in_progress = true;
IOSelector.Add (sockares.Handle, new IOSelectorJob (IOOperation.Write, BeginConnectCallback, sockares));
return sockares;
}
public IAsyncResult BeginConnect(EndPoint end_point,
AsyncCallback callback,
object state) {
if (disposed && closed)
throw new ObjectDisposedException (GetType ().ToString ());
if (end_point == null)
throw new ArgumentNullException ("end_point");
SocketAsyncResult req = new SocketAsyncResult (this, state, callback, SocketOperation.Connect);
req.EndPoint = end_point;
// Bug #75154: Connect() should not succeed for .Any addresses.
if (end_point is IPEndPoint) {
IPEndPoint ep = (IPEndPoint) end_point;
if (ep.Address.Equals (IPAddress.Any) || ep.Address.Equals (IPAddress.IPv6Any)) {
req.Complete (new SocketException ((int) SocketError.AddressNotAvailable), true);
return req;
}
}
int error = 0;
if (!blocking) {
SocketAddress serial = end_point.Serialize ();
Connect_internal (socket, serial, out error);
if (error == 0) {
// succeeded synch
connected = true;
req.Complete (true);
} else if (error != (int) SocketError.InProgress && error != (int) SocketError.WouldBlock) {
// error synch
connected = false;
req.Complete (new SocketException (error), true);
}
}
if (blocking || error == (int) SocketError.InProgress || error == (int) SocketError.WouldBlock) {
// continue asynch
connected = false;
Worker worker = new Worker (req);
SocketAsyncCall sac = new SocketAsyncCall (worker.Connect);
sac.BeginInvoke (null, req);
}
return(req);
}
IAsyncResult BeginConnect(EndPoint end_point, AsyncCallback callback, object state)
{
if (disposed && closed)
throw new ObjectDisposedException (GetType ().ToString ());
if (end_point == null)
throw new ArgumentNullException ("end_point");
SocketAsyncResult req = new SocketAsyncResult (this, state, callback, SocketOperation.Connect);
req.EndPoint = end_point;
// Bug #75154: Connect() should not succeed for .Any addresses.
if (end_point is IPEndPoint) {
IPEndPoint ep = (IPEndPoint) end_point;
if (ep.Address.Equals (IPAddress.Any) || ep.Address.Equals (IPAddress.IPv6Any)) {
req.Complete (new SocketException ((int) SocketError.AddressNotAvailable), true);
return req;
}
}
int error = 0;
if (connect_in_progress) {
// This could happen when multiple IPs are used
// Calling connect() again will reset the connection attempt and cause
// an error. Better to just close the socket and move on.
connect_in_progress = false;
Close_internal (socket, out error);
socket = Socket_internal (address_family, socket_type, protocol_type, out error);
if (error != 0)
throw new SocketException (error);
}
bool blk = blocking;
if (blk)
Blocking = false;
SocketAddress serial = end_point.Serialize ();
Connect_internal (socket, serial, out error);
if (blk)
Blocking = true;
if (error == 0) {
// succeeded synch
connected = true;
isbound = true;
req.Complete (true);
return req;
}
if (error != (int) SocketError.InProgress && error != (int) SocketError.WouldBlock) {
// error synch
connected = false;
isbound = false;
req.Complete (new SocketException (error), true);
return req;
}
// continue asynch
connected = false;
isbound = false;
connect_in_progress = true;
socket_pool_queue (Worker.Dispatcher, req);
return req;
}
static void BeginSendCallback (SocketAsyncResult sockares, int sent_so_far)
{
int total = 0;
try {
total = Socket.Send_internal (sockares.socket.safe_handle, sockares.Buffer, sockares.Offset, sockares.Size, sockares.SockFlags, out sockares.error);
} catch (Exception e) {
sockares.Complete (e);
return;
}
if (sockares.error == 0) {
sent_so_far += total;
sockares.Offset += total;
sockares.Size -= total;
if (sockares.socket.is_disposed) {
sockares.Complete (total);
return;
}
if (sockares.Size > 0) {
IOSelector.Add (sockares.handle, new IOSelectorJob (IOOperation.Write, s => BeginSendCallback ((SocketAsyncResult) s, sent_so_far), sockares));
return; // Have to finish writing everything. See bug #74475.
}
sockares.Total = sent_so_far;
}
sockares.Complete (total);
}