/mcs/class/System/System.Net.Sockets/Socket.jvm.cs
C# | 2586 lines | 2047 code | 440 blank | 99 comment | 352 complexity | 959051b1be5dd347ffb7765196052441 MD5 | raw file
Possible License(s): Unlicense, Apache-2.0, LGPL-2.0, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, GPL-2.0
- // System.Net.Sockets.Socket.cs
- //
- // Authors:
- // Phillip Pearson (pp@myelin.co.nz)
- // Dick Porter <dick@ximian.com>
- // Gonzalo Paniagua Javier (gonzalo@ximian.com)
- //
- // Copyright (C) 2001, 2002 Phillip Pearson and Ximian, Inc.
- // http://www.myelin.co.nz
- // (c) 2004 Novell, Inc. (http://www.novell.com)
- //
- //
- // Permission is hereby granted, free of charge, to any person obtaining
- // a copy of this software and associated documentation files (the
- // "Software"), to deal in the Software without restriction, including
- // without limitation the rights to use, copy, modify, merge, publish,
- // distribute, sublicense, and/or sell copies of the Software, and to
- // permit persons to whom the Software is furnished to do so, subject to
- // the following conditions:
- //
- // The above copyright notice and this permission notice shall be
- // included in all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- //
- using System.Collections;
- using System.Collections.Generic;
- using System.Net.Configuration;
- using System.Runtime.InteropServices;
- using System.Threading;
- namespace System.Net.Sockets
- {
- public class Socket : IDisposable
- {
- enum SocketOperation
- {
- Accept,
- Connect,
- Receive,
- ReceiveFrom,
- Send,
- SendTo
- }
- [StructLayout (LayoutKind.Sequential)]
- private sealed class SocketAsyncResult: IAsyncResult
- {
- /* Same structure in the runtime */
- public Socket Sock;
- #if !TARGET_JVM
- public IntPtr handle;
- #else
- public GHSocket handle;
- #endif
- object state;
- AsyncCallback callback;
- WaitHandle waithandle;
- Exception delayedException;
- public EndPoint EndPoint; // Connect,ReceiveFrom,SendTo
- public byte [] Buffer; // Receive,ReceiveFrom,Send,SendTo
- public int Offset; // Receive,ReceiveFrom,Send,SendTo
- public int Size; // Receive,ReceiveFrom,Send,SendTo
- public SocketFlags SockFlags; // Receive,ReceiveFrom,Send,SendTo
- // Return values
- Socket acc_socket;
- int total;
- bool completed_sync;
- bool completed;
- public bool blocking;
- internal int error;
- SocketOperation operation;
- public object ares;
- public SocketAsyncResult (Socket sock, object state, AsyncCallback callback, SocketOperation operation)
- {
- this.Sock = sock;
- this.blocking = sock.blocking;
- this.handle = sock.socket;
- this.state = state;
- this.callback = callback;
- this.operation = operation;
- SockFlags = SocketFlags.None;
- }
- public void CheckIfThrowDelayedException ()
- {
- if (delayedException != null)
- throw delayedException;
- if (error != 0)
- throw new SocketException (error);
- }
- void CompleteAllOnDispose (Queue queue)
- {
- object [] pending = queue.ToArray ();
- queue.Clear ();
- WaitCallback cb;
- for (int i = 0; i < pending.Length; i++)
- {
- SocketAsyncResult ares = (SocketAsyncResult) pending [i];
- cb = new WaitCallback (ares.CompleteDisposed);
- ThreadPool.QueueUserWorkItem (cb, null);
- }
- }
- void CompleteDisposed (object unused)
- {
- Complete ();
- }
- public void Complete ()
- {
- if (operation != SocketOperation.Receive && Sock.disposed)
- delayedException = new ObjectDisposedException (Sock.GetType ().ToString ());
- IsCompleted = true;
- Queue queue = null;
- if (operation == SocketOperation.Receive || operation == SocketOperation.ReceiveFrom)
- {
- queue = Sock.readQ;
- }
- else if (operation == SocketOperation.Send || operation == SocketOperation.SendTo)
- {
- queue = Sock.writeQ;
- }
- if (queue != null)
- {
- SocketAsyncCall sac = null;
- SocketAsyncResult req = null;
- lock (queue)
- {
- queue.Dequeue (); // remove ourselves
- if (queue.Count > 0)
- {
- req = (SocketAsyncResult) queue.Peek ();
- if (!Sock.disposed)
- {
- Worker worker = new Worker (req);
- sac = GetDelegate (worker, req.operation);
- }
- else
- {
- CompleteAllOnDispose (queue);
- }
- }
- }
- if (sac != null)
- sac.BeginInvoke (null, req);
- }
- if (callback != null)
- callback (this);
- }
- SocketAsyncCall GetDelegate (Worker worker, SocketOperation op)
- {
- switch (op)
- {
- case SocketOperation.Receive:
- return new SocketAsyncCall (worker.Receive);
- case SocketOperation.ReceiveFrom:
- return new SocketAsyncCall (worker.ReceiveFrom);
- case SocketOperation.Send:
- return new SocketAsyncCall (worker.Send);
- case SocketOperation.SendTo:
- return new SocketAsyncCall (worker.SendTo);
- default:
- return null; // never happens
- }
- }
- public void Complete (bool synch)
- {
- completed_sync = synch;
- Complete ();
- }
- public void Complete (int total)
- {
- this.total = total;
- Complete ();
- }
-
- public void Complete (Exception e, bool synch)
- {
- completed_sync = synch;
- delayedException = e;
- Complete ();
- }
- public void Complete (Exception e)
- {
- delayedException = e;
- Complete ();
- }
- public void Complete (Socket s)
- {
- acc_socket = s;
- Complete ();
- }
- public object AsyncState
- {
- get
- {
- return state;
- }
- }
- public WaitHandle AsyncWaitHandle
- {
- get
- {
- lock (this)
- {
- if (waithandle == null)
- waithandle = new ManualResetEvent (completed);
- }
- return waithandle;
- }
- set
- {
- waithandle=value;
- }
- }
- public bool CompletedSynchronously
- {
- get
- {
- return(completed_sync);
- }
- }
- public bool IsCompleted
- {
- get
- {
- return(completed);
- }
- set
- {
- completed=value;
- lock (this)
- {
- if (waithandle != null && value)
- {
- ((ManualResetEvent) waithandle).Set ();
- }
- }
- }
- }
-
- public Socket Socket
- {
- get
- {
- return acc_socket;
- }
- }
- public int Total
- {
- get
- {
- return total;
- }
- set
- {
- total = value;
- }
- }
- }
- private sealed class Worker
- {
- SocketAsyncResult result;
- public Worker (SocketAsyncResult ares)
- {
- this.result = ares;
- }
-
- public void Accept ()
- {
- Socket acc_socket = null;
- try
- {
- acc_socket = result.Sock.Accept ();
- }
- catch (Exception e)
- {
- result.Complete (e);
- return;
- }
- result.Complete (acc_socket);
- }
- public void Connect ()
- {
- try
- {
- result.Sock.Connect (result.EndPoint);
- result.Sock.connected = true;
- }
- catch (Exception e)
- {
- result.Complete (e);
- return;
- }
- result.Complete ();
- }
- #if !TARGET_JVM
- public void Receive ()
- {
- // Actual recv() done in the runtime
- result.Complete ();
- }
- #else
- public void Receive ()
- {
- int total = 0;
- try
- {
- total = result.Sock.Receive_nochecks (result.Buffer,
- result.Offset,
- result.Size,
- result.SockFlags);
- }
- catch (Exception e)
- {
- result.Complete (e);
- return;
- }
- result.Complete (total);
- }
- #endif
- public void ReceiveFrom ()
- {
- int total = 0;
- try
- {
- total = result.Sock.ReceiveFrom_nochecks (result.Buffer,
- result.Offset,
- result.Size,
- result.SockFlags,
- ref result.EndPoint);
- }
- catch (Exception e)
- {
- result.Complete (e);
- return;
- }
- result.Complete (total);
- }
- int send_so_far;
- void UpdateSendValues (int last_sent)
- {
- if (result.error == 0)
- {
- send_so_far += last_sent;
- result.Offset += last_sent;
- result.Size -= last_sent;
- }
- }
- #if !TARGET_JVM
- public void Send ()
- {
- // Actual send() done in the runtime
- if (result.error == 0)
- {
- UpdateSendValues (result.Total);
- if (result.Sock.disposed)
- {
- result.Complete ();
- return;
- }
- if (result.Size > 0)
- {
- SocketAsyncCall sac = new SocketAsyncCall (this.Send);
- sac.BeginInvoke (null, result);
- return; // Have to finish writing everything. See bug #74475.
- }
- result.Total = send_so_far;
- }
- result.Complete ();
- }
- #else
- public void Send ()
- {
- int total = 0;
- try
- {
- total = result.Sock.Send_nochecks (result.Buffer,
- result.Offset,
- result.Size,
- result.SockFlags);
- UpdateSendValues (total);
- if (result.Size > 0)
- {
- SocketAsyncCall sac = new SocketAsyncCall (this.SendTo);
- sac.BeginInvoke (null, result);
- return; // Have to finish writing everything. See bug #74475.
- }
- result.Total = send_so_far;
- }
- catch (Exception e)
- {
- result.Complete (e);
- return;
- }
- result.Complete ();
- }
- #endif
- public void SendTo ()
- {
- int total = 0;
- try
- {
- total = result.Sock.SendTo_nochecks (result.Buffer,
- result.Offset,
- result.Size,
- result.SockFlags,
- result.EndPoint);
- UpdateSendValues (total);
- if (result.Size > 0)
- {
- SocketAsyncCall sac = new SocketAsyncCall (this.SendTo);
- sac.BeginInvoke (null, result);
- return; // Have to finish writing everything. See bug #74475.
- }
- result.Total = send_so_far;
- }
- catch (Exception e)
- {
- result.Complete (e);
- return;
- }
- result.Complete ();
- }
- }
-
- /* the field "socket" is looked up by name by the runtime */
- #if !TARGET_JVM
- private IntPtr socket;
- #else
- private GHSocket socket;
- #endif
- private AddressFamily address_family;
- private SocketType socket_type;
- private ProtocolType protocol_type;
- internal bool blocking=true;
- private Queue readQ = new Queue (2);
- private Queue writeQ = new Queue (2);
-
- delegate void SocketAsyncCall ();
- /*
- * These two fields are looked up by name by the runtime, don't change
- * their name without also updating the runtime code.
- */
- private static int ipv4Supported = -1, ipv6Supported = -1;
- /* When true, the socket was connected at the time of
- * the last IO operation
- */
- private bool connected=false;
- /* true if we called Close_internal */
- private bool closed;
- internal bool disposed;
- /* Used in LocalEndPoint and RemoteEndPoint if the
- * Mono.Posix assembly is available
- */
- private static object unixendpoint=null;
- private static Type unixendpointtype=null;
-
- static void AddSockets (ArrayList sockets, IList list, string name)
- {
- if (list != null)
- {
- foreach (Socket sock in list)
- {
- if (sock == null) // MS throws a NullRef
- throw new ArgumentNullException (name, "Contains a null element");
- sockets.Add (sock);
- }
- }
- sockets.Add (null);
- }
- #if !TARGET_JVM
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static void Select_internal (ref Socket [] sockets,
- int microSeconds,
- out int error);
- #else
- private static void Select_internal (ref Socket [] sockets, int microSeconds, out int error)
- {
- GHSocketFactory.Select_internal(ref sockets, microSeconds, out error);
- }
- #endif
- public static void Select (IList checkRead, IList checkWrite, IList checkError, int microSeconds)
- {
- ArrayList list = new ArrayList ();
- AddSockets (list, checkRead, "checkRead");
- AddSockets (list, checkWrite, "checkWrite");
- AddSockets (list, checkError, "checkError");
- if (list.Count == 3)
- {
- throw new ArgumentNullException ("checkRead, checkWrite, checkError",
- "All the lists are null or empty.");
- }
- int error;
- /*
- * The 'sockets' array contains: READ socket 0-n, null,
- * WRITE socket 0-n, null,
- * ERROR socket 0-n, null
- */
- Socket [] sockets = (Socket []) list.ToArray (typeof (Socket));
- Select_internal (ref sockets, microSeconds, out error);
- if (error != 0)
- throw new SocketException (error);
- if (checkRead != null)
- checkRead.Clear ();
- if (checkWrite != null)
- checkWrite.Clear ();
- if (checkError != null)
- checkError.Clear ();
- if (sockets == null)
- return;
- int mode = 0;
- int count = sockets.Length;
- IList currentList = checkRead;
- for (int i = 0; i < count; i++)
- {
- Socket sock = sockets [i];
- if (sock == null)
- { // separator
- currentList = (mode == 0) ? checkWrite : checkError;
- mode++;
- continue;
- }
- if (currentList != null)
- {
- sock.connected = true;
- currentList.Add (sock);
- }
- }
- }
- #if !TARGET_JVM
- static Socket()
- {
- Assembly ass;
-
- try {
- ass = Assembly.Load (Consts.AssemblyMono_Posix);
- } catch (FileNotFoundException) {
- return;
- }
-
- unixendpointtype=ass.GetType("Mono.Posix.UnixEndPoint");
- /* The endpoint Create() method is an instance
- * method :-(
- */
- Type[] arg_types=new Type[1];
- arg_types[0]=typeof(string);
- ConstructorInfo cons=unixendpointtype.GetConstructor(arg_types);
- object[] args=new object[1];
- args[0]="";
- unixendpoint=cons.Invoke(args);
- }
- #endif
- #if !TARGET_JVM
- // private constructor used by Accept, which already
- // has a socket handle to use
- private Socket(AddressFamily family, SocketType type,
- ProtocolType proto, IntPtr sock)
- #else
- // private constructor used by Accept, which already
- // has a socket handle to use
- private Socket(AddressFamily family, SocketType type,
- ProtocolType proto, GHSocket sock)
- {
- #endif
- address_family=family;
- socket_type=type;
- protocol_type=proto;
-
- socket=sock;
- connected=true;
- }
- #if !TARGET_JVM
- // Creates a new system socket, returning the handle
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern IntPtr Socket_internal(AddressFamily family,
- SocketType type,
- ProtocolType proto,
- out int error);
- #else
- private GHSocket Socket_internal(AddressFamily family,
- SocketType type,
- ProtocolType proto,
- out int error)
- {
- return GHSocketFactory.Socket_internal(family, type, proto, out error);
- }
- #endif
- public Socket(AddressFamily family, SocketType type,
- ProtocolType proto)
- {
- address_family=family;
- socket_type=type;
- protocol_type=proto;
- int error;
-
- socket=Socket_internal(family, type, proto, out error);
- if (error != 0) {
- throw new SocketException (error);
- }
- }
- public AddressFamily AddressFamily
- {
- get
- {
- return(address_family);
- }
- }
- #if !TARGET_JVM
- // Returns the amount of data waiting to be read on socket
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static int Available_internal(IntPtr socket,
- out int error);
- #else
- private int Available_internal(GHSocket socket, out int error)
- {
- return socket.Available_internal(out error);
- }
- #endif
- public int Available
- {
- get
- {
- EnsureStillUsable();
- int ret, error;
-
- ret = Available_internal(socket, out error);
- if (error != 0)
- {
- throw new SocketException (error);
- }
- return(ret);
- }
- }
- #if !TARGET_JVM
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static void Blocking_internal(IntPtr socket,
- bool block,
- out int error);
- #else
- private void Blocking_internal(GHSocket socket, bool block, out int error)
- {
- socket.Blocking_internal(block, out error);
- }
- #endif
- public bool Blocking
- {
- get
- {
- return(blocking);
- }
- set
- {
- EnsureStillUsable();
- int error;
-
- Blocking_internal(socket, value, out error);
- if (error != 0) {
- throw new SocketException (error);
- }
-
- blocking=value;
- }
- }
- public bool Connected
- {
- get
- {
- return(connected);
- }
- }
- #if !TARGET_JVM
- public IntPtr Handle
- {
- get
- {
- return(socket);
- }
- }
- #else
- public IntPtr Handle
- {
- get
- {
- throw new NotImplementedException ();
- }
- }
- internal GHSocket GHHandle
- {
- get
- {
- return socket;
- }
- }
- #endif
- #if !TARGET_JVM
- // Returns the local endpoint details in addr and port
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static SocketAddress LocalEndPoint_internal(IntPtr socket, out int error);
- [MonoTODO("Support non-IP endpoints")]
- public EndPoint LocalEndPoint
- {
- get
- {
- if (disposed && closed)
- throw new ObjectDisposedException (GetType ().ToString ());
- SocketAddress sa;
- int error;
-
- sa=LocalEndPoint_internal(socket, out error);
- if (error != 0) {
- throw new SocketException (error);
- }
- if(sa.Family==AddressFamily.InterNetwork || sa.Family==AddressFamily.InterNetworkV6) {
- // Stupidly, EndPoint.Create() is an
- // instance method
- return new IPEndPoint(0, 0).Create(sa);
- } else if (sa.Family==AddressFamily.Unix &&
- unixendpoint!=null) {
- return((EndPoint)unixendpointtype.InvokeMember("Create", BindingFlags.InvokeMethod|BindingFlags.Instance|BindingFlags.Public, null, unixendpoint, new object[] {sa}));
- } else {
- throw new NotImplementedException();
- }
- }
- }
- #else
- private EndPoint LocalEndPoint_internal(GHSocket socket, out int error)
- {
- return socket.LocalEndPoint_internal(out error);
- }
- public EndPoint LocalEndPoint
- {
- get
- {
- EnsureStillUsable();
- int error;
- EndPoint ret = LocalEndPoint_internal(socket, out error);
- if (error != 0)
- {
- throw new SocketException (error);
- }
- return ret;
- }
- }
- #endif
- public ProtocolType ProtocolType
- {
- get
- {
- return(protocol_type);
- }
- }
- #if !TARGET_JVM
- // Returns the remote endpoint details in addr and port
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static SocketAddress RemoteEndPoint_internal(IntPtr socket, out int error);
- [MonoTODO("Support non-IP endpoints")]
- public EndPoint RemoteEndPoint
- {
- get
- {
- if (disposed && closed)
- throw new ObjectDisposedException (GetType ().ToString ());
- SocketAddress sa;
- int error;
-
- sa=RemoteEndPoint_internal(socket, out error);
- if (error != 0) {
- throw new SocketException (error);
- }
- if(sa.Family==AddressFamily.InterNetwork || sa.Family==AddressFamily.InterNetworkV6 ) {
- // Stupidly, EndPoint.Create() is an
- // instance method
- return new IPEndPoint(0, 0).Create(sa);
- } else if (sa.Family==AddressFamily.Unix &&
- unixendpoint!=null) {
- return((EndPoint)unixendpointtype.InvokeMember("Create", BindingFlags.InvokeMethod|BindingFlags.Instance|BindingFlags.Public, null, unixendpoint, new object[] {sa}));
- } else {
- throw new NotImplementedException();
- }
- }
- }
- #else
- private EndPoint RemoteEndPoint_internal(GHSocket socket, out int error)
- {
- return socket.RemoteEndPoint_internal(out error);
- }
- public EndPoint RemoteEndPoint
- {
- get
- {
- EnsureStillUsable();
- int error;
- EndPoint ret = RemoteEndPoint_internal(socket, out error);
- if (error != 0)
- {
- throw new SocketException (error);
- }
- return ret;
- }
- }
- #endif
- public SocketType SocketType
- {
- get
- {
- return(socket_type);
- }
- }
- public static bool SupportsIPv4
- {
- get
- {
- CheckProtocolSupport();
- return ipv4Supported == 1;
- }
- }
- public static bool SupportsIPv6
- {
- get
- {
- CheckProtocolSupport();
- return ipv6Supported == 1;
- }
- }
- internal static void CheckProtocolSupport()
- {
- if(ipv4Supported == -1)
- {
- try
- {
- Socket tmp = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
- tmp.Close();
- ipv4Supported = 1;
- }
- catch
- {
- ipv4Supported = 0;
- }
- }
- if(ipv6Supported == -1)
- {
- #if CONFIGURATION_DEP
- SettingsSection config;
- config = (SettingsSection) System.Configuration.ConfigurationManager.GetSection ("system.net/settings");
- if (config != null)
- ipv6Supported = config.Ipv6.Enabled ? -1 : 0;
- #else
- NetConfig config = (NetConfig)System.Configuration.ConfigurationSettings.GetConfig("system.net/settings");
- if(config != null)
- ipv6Supported = config.ipv6Enabled?-1:0;
- #endif
- if(ipv6Supported != 0)
- {
- try
- {
- Socket tmp = new Socket(AddressFamily.InterNetworkV6, SocketType.Stream, ProtocolType.Tcp);
- tmp.Close();
- ipv6Supported = 1;
- }
- catch { }
- }
- }
- }
- #if !TARGET_JVM
- // Creates a new system socket, returning the handle
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static IntPtr Accept_internal(IntPtr sock,
- out int error);
- #else
- private GHSocket Accept_internal(GHSocket sock, out int error)
- {
- return sock.Accept_internal(out error);
- }
- #endif
- public Socket Accept()
- {
- EnsureStillUsable();
- int error = 0;
- #if !TARGET_JVM
- IntPtr sock = (IntPtr) (-1);
- #else
- GHSocket sock = null;
- #endif
- sock = Accept_internal(socket, out error);
- if (error != 0) {
- throw new SocketException (error);
- }
-
- Socket accepted = new Socket(this.AddressFamily,
- this.SocketType,
- this.ProtocolType, sock);
- accepted.Blocking = this.Blocking;
- return(accepted);
- }
- public IAsyncResult BeginAccept(AsyncCallback callback,
- object state)
- {
- EnsureStillUsable();
- SocketAsyncResult req = new SocketAsyncResult (this, state, callback, SocketOperation.Accept);
- Worker worker = new Worker (req);
- SocketAsyncCall sac = new SocketAsyncCall (worker.Accept);
- sac.BeginInvoke (null, req);
- return(req);
- }
- public IAsyncResult BeginConnect(EndPoint end_point,
- AsyncCallback callback,
- object state)
- {
- EnsureStillUsable();
- 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 (10049), true);
- return req;
- }
- }
- int error = 0;
- if (!blocking)
- {
- #if !TARGET_JVM
- SocketAddress serial = end_point.Serialize ();
- Connect_internal (socket, serial, out error);
- #else
- Connect_internal (socket, end_point, out error);
- #endif
- if (error == 0)
- {
- // succeeded synch
- connected = true;
- req.Complete (true);
- }
- else if (error != 10036 && error != 10035)
- {
- // error synch
- connected = false;
- req.Complete (new SocketException (error), true);
- }
- }
- if (blocking || error == 10036 || error == 10035)
- {
- // continue asynch
- connected = false;
- Worker worker = new Worker (req);
- SocketAsyncCall sac = new SocketAsyncCall (worker.Connect);
- sac.BeginInvoke (null, req);
- }
- return(req);
- }
- public IAsyncResult BeginReceive(byte[] buffer, int offset,
- int size,
- SocketFlags socket_flags,
- AsyncCallback callback,
- object state)
- {
- EnsureStillUsable();
- if (buffer == null)
- throw new ArgumentNullException ("buffer");
- if (offset < 0 || offset > buffer.Length)
- throw new ArgumentOutOfRangeException ("offset");
- if (size < 0 || offset + size > buffer.Length)
- throw new ArgumentOutOfRangeException ("size");
- SocketAsyncResult req;
- lock (readQ)
- {
- req = new SocketAsyncResult (this, state, callback, SocketOperation.Receive);
- req.Buffer = buffer;
- req.Offset = offset;
- req.Size = size;
- req.SockFlags = socket_flags;
- readQ.Enqueue (req);
- if (readQ.Count == 1)
- {
- Worker worker = new Worker (req);
- SocketAsyncCall sac = new SocketAsyncCall (worker.Receive);
- sac.BeginInvoke (null, req);
- }
- }
- return req;
- }
- public IAsyncResult BeginReceiveFrom(byte[] buffer, int offset,
- int size,
- SocketFlags socket_flags,
- ref EndPoint remote_end,
- AsyncCallback callback,
- object state)
- {
- EnsureStillUsable();
- if (buffer == null)
- throw new ArgumentNullException ("buffer");
- if (offset < 0)
- throw new ArgumentOutOfRangeException ("offset must be >= 0");
- if (size < 0)
- throw new ArgumentOutOfRangeException ("size must be >= 0");
- if (offset + size > buffer.Length)
- throw new ArgumentOutOfRangeException ("offset + size exceeds the buffer length");
- SocketAsyncResult req;
- lock (readQ)
- {
- req = new SocketAsyncResult (this, state, callback, SocketOperation.ReceiveFrom);
- req.Buffer = buffer;
- req.Offset = offset;
- req.Size = size;
- req.SockFlags = socket_flags;
- req.EndPoint = remote_end;
- readQ.Enqueue (req);
- if (readQ.Count == 1)
- {
- Worker worker = new Worker (req);
- SocketAsyncCall sac = new SocketAsyncCall (worker.ReceiveFrom);
- sac.BeginInvoke (null, req);
- }
- }
- return req;
- }
- public IAsyncResult BeginSend (byte[] buffer, int offset, int size, SocketFlags socket_flags,
- AsyncCallback callback, object state)
- {
- EnsureStillUsable();
- if (buffer == null)
- throw new ArgumentNullException ("buffer");
- if (offset < 0)
- throw new ArgumentOutOfRangeException ("offset must be >= 0");
- if (size < 0)
- throw new ArgumentOutOfRangeException ("size must be >= 0");
- if (offset + size > buffer.Length)
- throw new ArgumentOutOfRangeException ("offset + size exceeds the buffer length");
- SocketAsyncResult req;
- lock (writeQ)
- {
- req = new SocketAsyncResult (this, state, callback, SocketOperation.Send);
- req.Buffer = buffer;
- req.Offset = offset;
- req.Size = size;
- req.SockFlags = socket_flags;
- writeQ.Enqueue (req);
- if (writeQ.Count == 1)
- {
- Worker worker = new Worker (req);
- SocketAsyncCall sac = new SocketAsyncCall (worker.Send);
- sac.BeginInvoke (null, req);
- }
- }
- return req;
- }
- public IAsyncResult BeginSendTo(byte[] buffer, int offset,
- int size,
- SocketFlags socket_flags,
- EndPoint remote_end,
- AsyncCallback callback,
- object state)
- {
- EnsureStillUsable();
- if (buffer == null)
- throw new ArgumentNullException ("buffer");
- if (offset < 0)
- throw new ArgumentOutOfRangeException ("offset must be >= 0");
- if (size < 0)
- throw new ArgumentOutOfRangeException ("size must be >= 0");
- if (offset + size > buffer.Length)
- throw new ArgumentOutOfRangeException ("offset + size exceeds the buffer length");
- SocketAsyncResult req;
- lock (writeQ)
- {
- req = new SocketAsyncResult (this, state, callback, SocketOperation.SendTo);
- req.Buffer = buffer;
- req.Offset = offset;
- req.Size = size;
- req.SockFlags = socket_flags;
- req.EndPoint = remote_end;
- writeQ.Enqueue (req);
- if (writeQ.Count == 1)
- {
- Worker worker = new Worker (req);
- SocketAsyncCall sac = new SocketAsyncCall (worker.SendTo);
- sac.BeginInvoke (null, req);
- }
- }
- return req;
- }
- #if !TARGET_JVM
- // Creates a new system socket, returning the handle
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static void Bind_internal(IntPtr sock,
- SocketAddress sa,
- out int error);
- public void Bind(EndPoint local_end)
- {
- if (disposed && closed)
- throw new ObjectDisposedException (GetType ().ToString ());
- if(local_end==null) {
- throw new ArgumentNullException("local_end");
- }
-
- int error;
-
- Bind_internal(socket, local_end.Serialize(),
- out error);
- if (error != 0) {
- throw new SocketException (error);
- }
- }
- #else
- private void Bind_internal(GHSocket sock,
- EndPoint sa,
- out int error)
- {
- sock.Bind_internal(sa, out error);
- }
- public void Bind(EndPoint local_end)
- {
- EnsureStillUsable();
- if(local_end==null) {
- throw new ArgumentNullException("local_end");
- }
-
- int error;
-
- Bind_internal(socket, local_end,
- out error);
- if (error != 0) {
- throw new SocketException (error);
- }
- }
- #endif
- #if !TARGET_JVM
- // Closes the socket
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static void Close_internal(IntPtr socket,
- out int error);
- #else
- private void Close_internal(GHSocket socket, out int error)
- {
- socket.Close_internal(out error);
- }
- #endif
- public void Close()
- {
- ((IDisposable) this).Dispose ();
- }
- #if !TARGET_JVM
- // Connects to the remote address
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static void Connect_internal(IntPtr sock,
- SocketAddress sa,
- out int error);
- #else
- private void Connect_internal(GHSocket sock,
- EndPoint sa,
- out int error)
- {
- sock.Connect_internal(sa, out error);
- }
- #endif
- public void Connect(EndPoint remote_end)
- {
- EnsureStillUsable();
- if(remote_end==null) {
- throw new ArgumentNullException("remote_end");
- }
- if (remote_end is IPEndPoint) {
- IPEndPoint ep = (IPEndPoint) remote_end;
- if (ep.Address.Equals (IPAddress.Any) || ep.Address.Equals (IPAddress.IPv6Any))
- throw new SocketException (10049);
- }
- int error = 0;
- #if !TARGET_JVM
- Connect_internal (socket, remote_end.Serialize(), out error);
- #else
- Connect_internal (socket, remote_end, out error);
- #endif
- if (error != 0) {
- throw new SocketException (error);
- }
-
- connected=true;
- }
-
- #if TARGET_JVM
- public void ChangeToSSL()
- {
- try
- {
- GHSocket tmp = socket.ChangeToSSL(null);
- if (tmp != null)
- {
- socket = tmp;
- }
- }
- catch (Exception e)
- {
- #if DEBUG
- Console.WriteLine("Caught exception during ChangeToSSL: {0}, {1}", e.GetType(), e.Message);
- #endif
- throw new SocketException(10045);
- }
- }
- #endif
-
- public Socket EndAccept(IAsyncResult result)
- {
- EnsureStillUsable();
- if (result == null)
- throw new ArgumentNullException ("result");
- SocketAsyncResult req = result as SocketAsyncResult;
- if (req == null)
- throw new ArgumentException ("Invalid IAsyncResult", "result");
- if (!result.IsCompleted)
- result.AsyncWaitHandle.WaitOne();
- req.CheckIfThrowDelayedException();
- return req.Socket;
- }
- public void EndConnect(IAsyncResult result) {
- EnsureStillUsable();
- if (result == null)
- throw new ArgumentNullException ("result");
- SocketAsyncResult req = result as SocketAsyncResult;
- if (req == null)
- throw new ArgumentException ("Invalid IAsyncResult", "result");
- if (!result.IsCompleted)
- result.AsyncWaitHandle.WaitOne();
- req.CheckIfThrowDelayedException();
- }
- [MonoNotSupported ("")]
- public void EndDisconnect (IAsyncResult asyncResult)
- {
- throw new NotImplementedException ();
- }
- public int EndReceive(IAsyncResult result) {
- EnsureStillUsable();
- if (result == null)
- throw new ArgumentNullException ("result");
- SocketAsyncResult req = result as SocketAsyncResult;
- if (req == null)
- throw new ArgumentException ("Invalid IAsyncResult", "result");
- if (!result.IsCompleted)
- result.AsyncWaitHandle.WaitOne();
- req.CheckIfThrowDelayedException();
- return req.Total;
- }
- public int EndReceiveFrom(IAsyncResult result,
- ref EndPoint end_point)
- {
- EnsureStillUsable();
- if (result == null)
- throw new ArgumentNullException ("result");
- SocketAsyncResult req = result as SocketAsyncResult;
- if (req == null)
- throw new ArgumentException ("Invalid IAsyncResult", "result");
- if (!result.IsCompleted)
- result.AsyncWaitHandle.WaitOne();
- req.CheckIfThrowDelayedException();
- end_point = req.EndPoint;
- return req.Total;
- }
- public int EndSend(IAsyncResult result) {
- EnsureStillUsable();
- if (result == null)
- throw new ArgumentNullException ("result");
- SocketAsyncResult req = result as SocketAsyncResult;
- if (req == null)
- throw new ArgumentException ("Invalid IAsyncResult", "result");
- if (!result.IsCompleted)
- result.AsyncWaitHandle.WaitOne();
- req.CheckIfThrowDelayedException();
- return req.Total;
- }
- public int EndSendTo(IAsyncResult result) {
- EnsureStillUsable();
- if (result == null)
- throw new ArgumentNullException ("result");
- SocketAsyncResult req = result as SocketAsyncResult;
- if (req == null)
- throw new ArgumentException ("Invalid IAsyncResult", "result");
- if (!result.IsCompleted)
- result.AsyncWaitHandle.WaitOne();
- req.CheckIfThrowDelayedException();
- return req.Total;
- }
- #if !TARGET_JVM
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static void GetSocketOption_obj_internal(IntPtr socket, SocketOptionLevel level, SocketOptionName name, out object obj_val, out int error);
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static void GetSocketOption_arr_internal(IntPtr socket, SocketOptionLevel level, SocketOptionName name, ref byte[] byte_val, out int error);
- #else
- private void GetSocketOption_obj_internal(GHSocket socket, SocketOptionLevel level,
- SocketOptionName name, out object obj_val, out int error)
- {
- EnsureStillUsable();
- socket.GetSocketOption_obj_internal(level, name, out obj_val, out error);
- }
- private void GetSocketOption_arr_internal(GHSocket socket, SocketOptionLevel level,
- SocketOptionName name, ref byte[] byte_val, out int error)
- {
- EnsureStillUsable();
- socket.GetSocketOption_arr_internal(level, name, ref byte_val, out error);
- }
- #endif
- public object GetSocketOption(SocketOptionLevel level,
- SocketOptionName name) {
- object obj_val;
- int error;
-
- GetSocketOption_obj_internal(socket, level, name,
- out obj_val, out error);
- if (error != 0) {
- throw new SocketException (error);
- }
-
- if(name==SocketOptionName.Linger) {
- return((LingerOption)obj_val);
- } else if (name==SocketOptionName.AddMembership ||
- name==SocketOptionName.DropMembership) {
- return((MulticastOption)obj_val);
- } else if (obj_val is int) {
- return((int)obj_val);
- } else {
- return(obj_val);
- }
- }
- public void GetSocketOption(SocketOptionLevel level,
- SocketOptionName name,
- byte[] opt_value) {
- int error;
-
- GetSocketOption_arr_internal(socket, level, name,
- ref opt_value, out error);
- if (error != 0) {
- throw new SocketException (error);
- }
- }
- public byte[] GetSocketOption(SocketOptionLevel level,
- SocketOptionName name,
- int length) {
- byte[] byte_val=new byte[length];
- int error;
-
- GetSocketOption_arr_internal(socket, level, name,
- ref byte_val, out error);
- if (error != 0) {
- throw new SocketException (error);
- }
- return(byte_val);
- }
- #if !TARGET_JVM
- // See Socket.IOControl, WSAIoctl documentation in MSDN. The
- // common options between UNIX and Winsock are FIONREAD,
- // FIONBIO and SIOCATMARK. Anything else will depend on the
- // system.
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- extern static int WSAIoctl (IntPtr sock, int ioctl_code,
- byte [] input, byte [] output,
- out int error);
- #else
- int WSAIoctl (GHSocket sock, int ioctl_code,
- byte [] input, byte [] output,
- out int error)
- {
- return sock.WSAIoctl(ioctl_code, input, output, out error);
- }
- #endif
- public int IOControl (int ioctl_code, byte [] in_value, byte [] out_value)
- {
- if (disposed)
- throw new ObjectDisposedException (GetType ().ToString ());
- int error;
- int result = WSAIoctl (socket, ioctl_code, in_value,
- out_value, out error);
- if (error != 0) {
- throw new SocketException (error);
- }
-
- if (result == -1)
- throw new InvalidOperationException ("Must use Blocking property instead.");
- return result;
- }
- [MonoNotSupported ("")]
- public int IOControl (IOControlCode ioControlCode, byte [] optionInValue, byte [] optionOutValue)
- {
- throw new NotImplementedException ();
- }
- #if !TARGET_JVM
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static void Listen_internal(IntPtr sock,
- int backlog,
- out int error);
- #else
- private void Listen_internal(GHSocket sock,
- int backlog,
- out int error)
- {
- EnsureStillUsable();
- sock.Listen_internal(backlog, out error);
- }
- #endif
- public void Listen(int backlog)
- {
- int error;
-
- Listen_internal(socket, backlog, out error);
- if (error != 0) {
- throw new SocketException (error);
- }
- }
- #if !TARGET_JVM
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- extern static bool Poll_internal (IntPtr socket, SelectMode mode, int timeout, out int error);
- #else
- bool Poll_internal (GHSocket socket, SelectMode mode, int timeout, out int error)
- {
- return socket.Poll_internal(mode, timeout, this, out error);
- }
- #endif
- public bool Poll(int time_us, SelectMode mode)
- {
- EnsureStillUsable();
- if (mode != SelectMode.SelectRead &&
- mode != SelectMode.SelectWrite &&
- mode != SelectMode.SelectError)
- throw new NotSupportedException ("'mode' parameter is not valid.");
- int error;
- bool result = Poll_internal (socket, mode, time_us, out error);
- if (error != 0)
- throw new SocketException (error);
-
- if (result == true) {
- /* Update the connected state; for
- * non-blocking Connect()s this is
- * when we can find out that the
- * connect succeeded.
- */
- connected = true;
- }
- return result;
- }
-
- public int Receive (byte [] buf)
- {
- EnsureStillUsable();
- if (buf == null)
- throw new ArgumentNullException ("buf");
- return Receive_nochecks (buf, 0, buf.Length, SocketFlags.None);
- }
- public int Receive (byte [] buf, SocketFlags flags)
- {
- EnsureStillUsable();
- if (buf == null)
- throw new ArgumentNullException ("buf");
- return Receive_nochecks (buf, 0, buf.Length, flags);
- }
- public int Receive (byte [] buf, int size, SocketFlags flags)
- {
- EnsureStillUsable();
- if (buf == null)
- throw new ArgumentNullException ("buf");
- if (size < 0 || size > buf.Length)
- throw new ArgumentOutOfRangeException ("size");
- return Receive_nochecks (buf, 0, size, flags);
- }
- #if !TARGET_JVM
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static int Receive_internal(IntPtr sock,
- byte[] buffer,
- int offset,
- int count,
- SocketFlags flags,
- out int error);
- #else
- private int Receive_internal(GHSocket sock,
- byte[] buffer,
- int offset,
- int count,
- SocketFlags flags,
- out int error)
- {
- return sock.Receive_internal(buffer, offset, count, flags, out error);
- }
- #endif
- public int Receive (byte [] buf, int offset, int size, SocketFlags flags)
- {
- EnsureStillUsable();
- if(buf==null)
- throw new ArgumentNullException ("buf");
- if (offset < 0 || offset > buf.Length)
- throw new ArgumentOutOfRangeException ("offset");
- if (size < 0 || offset + size > buf.Length)
- throw new ArgumentOutOfRangeException ("size");
- return Receive_nochecks (buf, offset, size, flags);
- }
-
- int Receive_nochecks (byte [] buf, int offset, int size, SocketFlags flags)
- {
- int ret, error;
- ret = Receive_internal (socket, buf, offset, size, flags, out error);
- if(error != 0) {
- if (error != 10035 && error != 10036) // WSAEWOULDBLOCK && WSAEINPROGRESS
- connected=false;
- throw new SocketException (error);
- }
-
- connected=true;
- return ret;
- }
- public int ReceiveFrom (byte [] buf, ref EndPoint remote_end)
- {
- if (buf == null)
- throw new ArgumentNullException ("buf");
- if (remote_end == null)
- throw new ArgumentNullException ("remote_end");
- return ReceiveFrom_nochecks (buf, 0, buf.Length, SocketFlags.None, ref remote_end);
- }
- public int ReceiveFrom (byte [] buf, SocketFlags flags, ref EndPoint remote_end)
- {
- if (buf == null)
- throw new ArgumentNullException ("buf");
- if (remote_end == null)
- throw new ArgumentNullException ("remote_end");
- return ReceiveFrom_nochecks (buf, 0, buf.Length, flags, ref remote_end);
- }
- public int ReceiveFrom(byte[] buf, int size, SocketFlags flags,
- ref EndPoint remote_end)
- {
- if (buf == null)
- throw new ArgumentNullException ("buf");
- if (remote_end == null)
- throw new ArgumentNullException ("remote_end");
- if (size < 0 || size > buf.Length)
- throw new ArgumentOutOfRangeException ("size");
- return ReceiveFrom_nochecks (buf, 0, size, flags, ref remote_end);
- }
- #if !TARGET_JVM
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static int RecvFrom_internal(IntPtr sock,
- byte[] buffer,
- int offset,
- int count,
- SocketFlags flags,
- ref SocketAddress sockaddr,
- out int error);
- #else
- private int RecvFrom_internal(GHSocket sock,
- byte[] buffer,
- int offset,
- int count,
- SocketFlags flags,
- ref SocketAddress sockaddr,
- out int error)
- {
- return sock.RecvFrom_internal(buffer, offset, count, flags, ref sockaddr, out error);
- }
- #endif
- public int ReceiveFrom(byte[] buf, int offset, int size, SocketFlags flags,
- ref EndPoint remote_end)
- {
- EnsureStillUsable();
- if (buf == null)
- throw new ArgumentNullException ("buf");
- if (remote_end == null)
- throw new ArgumentNullException ("remote_end");
- if (offset < 0 || offset > buf.Length)
- throw new ArgumentOutOfRangeException ("offset");
- if (size < 0 || offset + size > buf.Length)
- throw new ArgumentOutOfRangeException ("size");
- return ReceiveFrom_nochecks (buf, offset, size, flags, ref remote_end);
- }
- int ReceiveFrom_nochecks (byte [] buf, int offset, int size, SocketFlags flags,
- ref EndPoint remote_end)
- {
- EnsureStillUsable();
- SocketAddress sockaddr=remote_end.Serialize();
- int cnt, error;
- cnt = RecvFrom_internal (socket, buf, offset, size, flags, ref sockaddr, out error);
- if (error != 0) {
- if (error != 10035 && error != 10036) // WSAEWOULDBLOCK && WSAEINPROGRESS
- connected=false;
- throw new SocketException (error);
- }
- connected=true;
-
- // If sockaddr is null then we're a connection
- // oriented protocol and should ignore the
- // remote_end parameter (see MSDN
- // documentation for Socket.ReceiveFrom(...) )
-
- if ( sockaddr != null ) {
- // Stupidly, EndPoint.Create() is an
- // instance method
- remote_end=remote_end.Create(sockaddr);
- }
- return cnt;
- }
- public int Send (byte [] buf)
- {
- EnsureStillUsable();
- if (buf == null)
- throw new ArgumentNullException ("buf");
- return Send_nochecks (buf, 0, buf.Length, SocketFlags.None);
- }
- public int Send (byte [] buf, SocketFlags flags)
- {
- EnsureStillUsable();
- if (buf == null)
- throw new ArgumentNullException ("buf");
- return Send_nochecks (buf, 0, buf.Length, flags);
- }
- public int Send (byte [] buf, int size, SocketFlags flags)
- {
- EnsureStillUsable();
- if (buf == null)
- throw new ArgumentNullException ("buf");
- if (size < 0 || size > buf.Length)
- throw new ArgumentOutOfRangeException ("size");
- return Send_nochecks (buf, 0, size, flags);
- }
- [MonoNotSupported ("")]
- public int Send (byte [] buffer, int offset, int size, SocketFlags socketFlags, out SocketError errorCode)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public int Send (IList<ArraySegment<byte>> buffers)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public int Send (IList<ArraySegment<byte>> buffers, SocketFlags socketFlags)
- {
- throw new NotImplementedException ();
- }
- //[CLSCompliantAttribute (false)]
- [MonoNotSupported ("")]
- public int Send (IList<ArraySegment<byte>> buffers, SocketFlags socketFlags, out SocketError errorCode)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public int Receive (byte [] buffer, int offset, int size, SocketFlags socketFlags, out SocketError errorCode)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public int Receive (IList<ArraySegment<byte>> buffers)
- {
- throw new NotImplementedException ();
- }
- //[CLSCompliantAttribute (false)]
- [MonoNotSupported ("")]
- public int Receive (IList<ArraySegment<byte>> buffers, SocketFlags socketFlags)
- {
- throw new NotImplementedException ();
- }
- //[CLSCompliantAttribute (false)]
- [MonoNotSupported ("")]
- public int Receive (IList<ArraySegment<byte>> buffers, SocketFlags socketFlags, out SocketError errorCode)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public int ReceiveMessageFrom (byte [] buffer, int offset, int size, ref SocketFlags socketFlags, ref EndPoint remoteEP, out IPPacketInformation ipPacketInformation)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public IAsyncResult BeginReceiveMessageFrom (byte [] buffer, int offset, int size, SocketFlags socketFlags, ref EndPoint remoteEP, AsyncCallback callback, Object state)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public int EndReceiveMessageFrom (IAsyncResult asyncResult, ref SocketFlags socketFlags, ref EndPoint endPoint, out IPPacketInformation ipPacketInformation)
- {
- throw new NotImplementedException ();
- }
- #if !TARGET_JVM
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static int Send_internal(IntPtr sock,
- byte[] buf, int offset,
- int count,
- SocketFlags flags,
- out int error);
- #else
- private int Send_internal(GHSocket sock,
- byte[] buf, int offset,
- int count,
- SocketFlags flags,
- out int error)
- {
- return sock.Send_internal(buf, offset, count, flags, out error);
- }
- #endif
- public int Send (byte[] buf, int offset, int size, SocketFlags flags)
- {
- EnsureStillUsable();
- if (buf == null)
- throw new ArgumentNullException ("buffer");
- if (offset < 0 || offset > buf.Length)
- throw new ArgumentOutOfRangeException ("offset");
- if (size < 0 || offset + size > buf.Length)
- throw new ArgumentOutOfRangeException ("size");
- return Send_nochecks (buf, offset, size, flags);
- }
- int Send_nochecks (byte [] buf, int offset, int size, SocketFlags flags)
- {
- if (size == 0)
- return 0;
- int ret, error;
- ret = Send_internal (socket, buf, offset, size, flags, out error);
- if (error != 0) {
- if (error != 10035 && error != 10036) // WSAEWOULDBLOCK && WSAEINPROGRESS
- connected = false;
- throw new SocketException (error);
- }
- connected = true;
- return ret;
- }
- public int SendTo (byte [] buffer, EndPoint remote_end)
- {
- EnsureStillUsable();
- if (buffer == null)
- throw new ArgumentNullException ("buffer");
- if (remote_end == null)
- throw new ArgumentNullException ("remote_end");
- return SendTo_nochecks (buffer, 0, buffer.Length, SocketFlags.None, remote_end);
- }
- public int SendTo (byte [] buffer, SocketFlags flags, EndPoint remote_end)
- {
- EnsureStillUsable();
- if (buffer == null)
- throw new ArgumentNullException ("buffer");
- if (remote_end == null)
- throw new ArgumentNullException ("remote_end");
-
- return SendTo_nochecks (buffer, 0, buffer.Length, flags, remote_end);
- }
- public int SendTo (byte [] buffer, int size, SocketFlags flags, EndPoint remote_end)
- {
- EnsureStillUsable();
- if (buffer == null)
- throw new ArgumentNullException ("buffer");
- if (remote_end == null)
- throw new ArgumentNullException ("remote_end");
- if (size < 0 || size > buffer.Length)
- throw new ArgumentOutOfRangeException ("size");
- return SendTo_nochecks (buffer, 0, size, flags, remote_end);
- }
- #if !TARGET_JVM
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static int SendTo_internal(IntPtr sock,
- byte[] buffer,
- int offset,
- int count,
- SocketFlags flags,
- SocketAddress sa,
- out int error);
- #else
- private int SendTo_internal(GHSocket sock,
- byte[] buffer,
- int offset,
- int count,
- SocketFlags flags,
- SocketAddress sa,
- out int error)
- {
- return sock.SendTo_internal(buffer, offset, count, flags, sa, out error);
- }
- #endif
- public int SendTo(byte[] buffer, int offset, int size, SocketFlags flags,
- EndPoint remote_end)
- {
- EnsureStillUsable();
- if (buffer == null)
- throw new ArgumentNullException ("buffer");
- if (remote_end == null)
- throw new ArgumentNullException("remote_end");
- if (offset < 0 || offset > buffer.Length)
- throw new ArgumentOutOfRangeException ("offset");
- if (size < 0 || offset + size > buffer.Length)
- throw new ArgumentOutOfRangeException ("size");
- return SendTo_nochecks (buffer, offset, size, flags, remote_end);
- }
- int SendTo_nochecks (byte [] buffer, int offset, int size, SocketFlags flags,
- EndPoint remote_end)
- {
- SocketAddress sockaddr=remote_end.Serialize();
- int ret, error;
- ret = SendTo_internal (socket, buffer, offset, size, flags, sockaddr, out error);
- if (error != 0) {
- if (error != 10035 && error != 10036) // WSAEWOULDBLOCK && WSAEINPROGRESS
- connected=false;
- throw new SocketException (error);
- }
- connected=true;
- return ret;
- }
- #if !TARGET_JVM
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static void SetSocketOption_internal (IntPtr socket, SocketOptionLevel level,
- SocketOptionName name, object obj_val,
- byte [] byte_val, int int_val,
- out int error);
- #else
- private void SetSocketOption_internal (GHSocket socket, SocketOptionLevel level,
- SocketOptionName name, object obj_val,
- byte [] byte_val, int int_val,
- out int error)
- {
- socket.SetSocketOption_internal(level, name, obj_val, byte_val, int_val, out error);
- }
- #endif
- public void SetSocketOption (SocketOptionLevel level, SocketOptionName name, byte[] opt_value)
- {
- EnsureStillUsable();
- int error;
-
- SetSocketOption_internal(socket, level, name, null,
- opt_value, 0, out error);
- if (error != 0) {
- throw new SocketException (error);
- }
- }
- public void SetSocketOption (SocketOptionLevel level, SocketOptionName name, int opt_value)
- {
- EnsureStillUsable();
- int error;
-
- SetSocketOption_internal(socket, level, name, null,
- null, opt_value, out error);
- if (error != 0) {
- throw new SocketException (error);
- }
- }
- public void SetSocketOption (SocketOptionLevel level, SocketOptionName name, object opt_value)
- {
- EnsureStillUsable();
- if(opt_value==null) {
- throw new ArgumentNullException();
- }
-
- int error;
- /* From MS documentation on SetSocketOption: "For an
- * option with a Boolean data type, specify a nonzero
- * value to enable the option, and a zero value to
- * disable the option."
- * Booleans are only handled in 2.0
- */
- if (opt_value is System.Boolean) {
- bool bool_val = (bool) opt_value;
- int int_val = (bool_val) ? 1 : 0;
- SetSocketOption_internal (socket, level, name, null, null, int_val, out error);
- } else {
- SetSocketOption_internal (socket, level, name, opt_value, null, 0, out error);
- }
- if (error != 0)
- throw new SocketException (error);
- }
- public void SetSocketOption (SocketOptionLevel level, SocketOptionName name, bool optionValue) {
- EnsureStillUsable();
- int error;
- int int_val = (optionValue) ? 1 : 0;
- SetSocketOption_internal (socket, level, name, null, null, int_val, out error);
- if (error != 0)
- throw new SocketException (error);
- }
- #if !TARGET_JVM
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private extern static void Shutdown_internal(IntPtr socket, SocketShutdown how, out int error);
- #else
- private void Shutdown_internal(GHSocket socket, SocketShutdown how, out int error)
- {
- socket.Shutdown_internal(how, out error);
- }
- #endif
- public void Shutdown(SocketShutdown how)
- {
- EnsureStillUsable();
- int error;
-
- Shutdown_internal(socket, how, out error);
- if (error != 0) {
- throw new SocketException (error);
- }
- }
- #if !TARGET_JVM
- public override int GetHashCode ()
- {
- return (int) socket;
- }
- #else
- public override int GetHashCode ()
- {
- if (socket == null)
- return -1;
- return socket.GetHashCode();
- }
- #endif
- #if !TARGET_JVM
- protected virtual void Dispose (bool explicitDisposing)
- {
- if (disposed)
- return;
- disposed = true;
- connected = false;
- if ((int) socket != -1)
- {
- int error;
- closed = true;
- IntPtr x = socket;
- socket = (IntPtr) (-1);
- Close_internal (x, out error);
- if (blocking_thread != null)
- {
- blocking_thread.Abort ();
- blocking_thread = null;
- }
- if (error != 0)
- throw new SocketException (error);
- }
- }
- #else
- private void EnsureStillUsable()
- {
- if (disposed && closed)
- throw new ObjectDisposedException(this.GetType().ToString());
- }
- protected virtual void Dispose (bool explicitDisposing)
- {
- if (disposed)
- return;
- disposed = true;
- connected = false;
- if (socket != null)
- {
- int error;
- closed = true;
- GHSocket x = socket;
- socket = null;
- Close_internal (x, out error);
- if (error != 0)
- throw new SocketException (error);
- }
- }
- #endif
- #region .Net 2.0 properties and methods
- #region Properties
- [MonoTODO]
- public int ReceiveBufferSize
- {
- get { throw new NotImplementedException(); }
- set { throw new NotImplementedException(); }
- }
- [MonoTODO]
- public int SendBufferSize
- {
- get { throw new NotImplementedException(); }
- set { throw new NotImplementedException(); }
- }
- [MonoTODO]
- public bool UseOnlyOverlappedIO
- {
- get { throw new NotImplementedException(); }
- set { throw new NotImplementedException(); }
- }
-
- [MonoTODO]
- public bool NoDelay
- {
- get { throw new NotImplementedException(); }
- set { throw new NotImplementedException(); }
- }
- [MonoTODO]
- public bool IsBound
- {
- get { throw new NotImplementedException(); }
- }
- [MonoTODO]
- public bool ExclusiveAddressUse
- {
- get { throw new NotImplementedException(); }
- set { throw new NotImplementedException(); }
- }
- [MonoTODO("udp sockets are not supported")]
- public bool DontFragment
- {
- get { throw new NotImplementedException(); }
- set { throw new NotImplementedException(); }
- }
- [MonoTODO]
- public bool EnableBroadcast
- {
- get { throw new NotImplementedException(); }
- set { throw new NotImplementedException(); }
- }
- [MonoTODO]
- public bool MulticastLoopback
- {
- get { throw new NotImplementedException(); }
- set { throw new NotImplementedException(); }
- }
- [MonoTODO]
- public short Ttl
- {
- get { throw new NotImplementedException(); }
- set { throw new NotImplementedException(); }
- }
- [MonoTODO]
- public int ReceiveTimeout
- {
- get { throw new NotImplementedException(); }
- set { throw new NotImplementedException(); }
- }
- [MonoTODO]
- public int SendTimeout
- {
- get { throw new NotImplementedException(); }
- set { throw new NotImplementedException(); }
- }
-
- #endregion //Properties
- #region Methods
- [MonoTODO]
- public IAsyncResult BeginConnect(IPAddress address, int port,
- AsyncCallback requestCallback,
- object state)
- {
- throw new NotImplementedException();
- }
- [MonoTODO]
- public IAsyncResult BeginConnect(IPAddress[] addresses, int port,
- AsyncCallback requestCallback,
- object state)
- {
- throw new NotImplementedException();
- }
- [MonoTODO]
- public IAsyncResult BeginConnect(string host, int port,
- AsyncCallback requestCallback,
- object state)
- {
- throw new NotImplementedException();
- }
- [MonoTODO]
- public IAsyncResult BeginAccept(int receiveSize, AsyncCallback callback, object state)
- {
- throw new NotImplementedException();
- }
- [MonoTODO]
- public IAsyncResult BeginAccept( Socket acceptSocket,int receiveSize,
- AsyncCallback callback, object state)
- {
- throw new NotImplementedException();
- }
- [MonoNotSupported ("")]
- public Socket EndAccept (out byte [] buffer, IAsyncResult asyncResult)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public Socket EndAccept (out byte [] buffer, out int bytesTransferred, IAsyncResult asyncResult)
- {
- throw new NotImplementedException ();
- }
- [MonoTODO]
- public IAsyncResult BeginDisconnect(bool reuseSocket, AsyncCallback callback, object state)
- {
- throw new NotImplementedException();
- }
- [MonoNotSupported ("")]
- public IAsyncResult BeginSend (IList<ArraySegment<byte>> buffers, SocketFlags socketFlags, AsyncCallback callback, object state)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- [CLSCompliantAttribute (false)]
- public IAsyncResult BeginSend (IList<ArraySegment<byte>> buffers, SocketFlags socketFlags,
- out SocketError errorCode, AsyncCallback callback,
- object state)
- {
- throw new NotImplementedException ();
- }
- [MonoTODO]
- public IAsyncResult BeginSend(byte[] buffer, int offset, int size,
- SocketFlags socketFlags, out SocketError errorCode,
- AsyncCallback callback, object state)
- {
- throw new NotImplementedException();
- }
- [MonoNotSupported ("")]
- public int EndSend (IAsyncResult asyncResult, out SocketError errorCode)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public IAsyncResult BeginReceive (byte [] buffer, int offset, int size, SocketFlags socketFlags, out SocketError errorCode, AsyncCallback callback, Object state)
- {
- throw new NotImplementedException ();
- }
- [CLSCompliantAttribute (false)]
- [MonoNotSupported ("")]
- public IAsyncResult BeginReceive (IList<ArraySegment<byte>> buffers, SocketFlags socketFlags, AsyncCallback callback, Object state)
- {
- throw new NotImplementedException ();
- }
- [CLSCompliantAttribute (false)]
- [MonoNotSupported ("")]
- public IAsyncResult BeginReceive (IList<ArraySegment<byte>> buffers, SocketFlags socketFlags, out SocketError errorCode, AsyncCallback callback, Object state)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public int EndReceive (IAsyncResult asyncResult, out SocketError errorCode)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public void SendFile (string fileName)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public void SendFile (string fileName, byte [] preBuffer, byte [] postBuffer, TransmitFileOptions flags)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public IAsyncResult BeginSendFile (string fileName, AsyncCallback callback, object state)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public IAsyncResult BeginSendFile (string fileName, byte [] preBuffer, byte [] postBuffer, TransmitFileOptions flags, AsyncCallback callback, object state)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public void EndSendFile (IAsyncResult asyncResult)
- {
- throw new NotImplementedException ();
- }
- [MonoTODO]
- public void Close(int timeout)
- {
- throw new NotImplementedException();
- }
- [MonoTODO]
- public void Connect(IPAddress address, int port)
- {
- throw new NotImplementedException();
- }
- [MonoTODO]
- public void Connect(IPAddress[] address, int port)
- {
- throw new NotImplementedException();
- }
- [MonoTODO]
- public void Connect(string host, int port)
- {
- throw new NotImplementedException();
- }
- [MonoNotSupported ("")]
- public void Disconnect (bool reuseSocket)
- {
- throw new NotImplementedException ();
- }
- [MonoNotSupported ("")]
- public SocketInformation DuplicateAndClose (int targetProcessId)
- {
- throw new NotImplementedException ();
- }
- #endregion //Methods
- #endregion
- void IDisposable.Dispose ()
- {
- Dispose (true);
- GC.SuppressFinalize (this);
- }
-
- ~Socket () {
- Dispose(false);
- }
- }
- }