/// <summary>
/// Constructs a new <code>OncRpcTcpClient</code> object, which connects
/// to the ONC/RPC server at <code>host</code> for calling remote procedures
/// of the given { program, version }.
/// </summary>
/// <remarks>
/// Constructs a new <code>OncRpcTcpClient</code> object, which connects
/// to the ONC/RPC server at <code>host</code> for calling remote procedures
/// of the given { program, version }.
/// <p>Note that the construction of an <code>OncRpcTcpClient</code>
/// object will result in communication with the portmap process at
/// <code>host</code> if <code>port</code> is <code>0</code>.
/// </remarks>
/// <param name="host">The host where the ONC/RPC server resides.</param>
/// <param name="program">Program number of the ONC/RPC server to call.</param>
/// <param name="version">Program version number.</param>
/// <param name="port">
/// The port number where the ONC/RPC server can be contacted.
/// If <code>0</code>, then the <code>OncRpcUdpClient</code> object will
/// ask the portmapper at <code>host</code> for the port number.
/// </param>
/// <param name="bufferSize">
/// Size of receive and send buffers. In contrast to
/// UDP-based ONC/RPC clients, messages larger than the specified
/// buffer size can still be sent and received. The buffer is only
/// necessary to handle the messages and the underlaying streams will
/// break up long messages automatically into suitable pieces.
/// Specifying zero will select the default buffer size (currently
/// 8192 bytes).
/// </param>
/// <param name="timeout">
/// Maximum timeout in milliseconds when connecting to
/// the ONC/RPC server. If negative, a default implementation-specific
/// timeout setting will apply. <i>Note that this timeout only applies
/// to the connection phase, but <b>not</b> to later communication.</i>
/// </param>
/// <exception cref="OncRpcException">if an ONC/RPC error occurs.</exception>
/// <exception cref="System.IO.IOException">if an I/O error occurs.</exception>
/// <exception cref="org.acplt.oncrpc.OncRpcException"></exception>
public OncRpcTcpClient(IPAddress host, int program, int version, int port
, int bufferSize, int timeout) : base(host, program, version, port, org.acplt.oncrpc.OncRpcProtocols
.ONCRPC_TCP)
{
//
// Construct the inherited part of our object. This will also try to
// lookup the port of the desired ONC/RPC server, if no port number
// was specified (port = 0).
//
//
// Let the host operating system choose which port (and network
// interface) to use. Then set the buffer sizes for sending and
// receiving UDP datagrams. Finally set the destination of packets.
//
if (bufferSize == 0)
{
bufferSize = 8192;
}
// default setting
if (bufferSize < 1024)
{
bufferSize = 1024;
}
//
// Note that we use this.port at this time, because the superclass
// might have resolved the port number in case the caller specified
// simply 0 as the port number.
//
// Construct the socket and connect
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint endPoint = new IPEndPoint(host, this.port);
socket.Connect(endPoint);
if (timeout >= 0)
{
socket.SendTimeout = timeout;
socket.ReceiveTimeout = timeout;
}
socket.NoDelay = true;
if (socket.SendBufferSize < bufferSize)
{
socket.SendBufferSize = bufferSize;
}
if (socket.ReceiveBufferSize < bufferSize)
{
socket.ReceiveBufferSize = bufferSize;
}
//
// Create the necessary encoding and decoding streams, so we can
// communicate at all.
//
sendingXdr = new org.acplt.oncrpc.XdrTcpEncodingStream(socket, bufferSize);
receivingXdr = new org.acplt.oncrpc.XdrTcpDecodingStream(socket, bufferSize);
}
/// <summary>
/// Create a new instance of a <code>OncRpcTcpSConnectionerverTransport</code>
/// which encapsulates TCP/IP-based XDR streams of an ONC/RPC server.
/// </summary>
/// <remarks>
/// Create a new instance of a <code>OncRpcTcpSConnectionerverTransport</code>
/// which encapsulates TCP/IP-based XDR streams of an ONC/RPC server. This
/// particular server transport handles individual ONC/RPC connections over
/// TCP/IP.
/// </remarks>
/// <param name="dispatcher">
/// Reference to interface of an object capable of
/// dispatching (handling) ONC/RPC calls.
/// </param>
/// <param name="socket">TCP/IP-based socket of new connection.</param>
/// <param name="info">
/// Array of program and version number tuples of the ONC/RPC
/// programs and versions handled by this transport.
/// </param>
/// <param name="bufferSize">
/// Size of buffer used when receiving and sending
/// chunks of XDR fragments over TCP/IP. The fragments built up to
/// form ONC/RPC call and reply messages.
/// </param>
/// <param name="parent">Parent server transport which created us.</param>
/// <param name="transmissionTimeout">Inherited transmission timeout.</param>
/// <exception cref="org.acplt.oncrpc.OncRpcException"></exception>
/// <exception cref="System.IO.IOException"></exception>
public OncRpcTcpConnectionServerTransport(org.acplt.oncrpc.server.OncRpcDispatchable
dispatcher, Socket socket, org.acplt.oncrpc.server.OncRpcServerTransportRegistrationInfo
[] info, int bufferSize, org.acplt.oncrpc.server.OncRpcTcpServerTransport parent
, int transmissionTimeout) : base(dispatcher, 0, info)
{
this.parent = parent;
this.transmissionTimeout = transmissionTimeout;
//
// Make sure the buffer is large enough and resize system buffers
// accordingly, if possible.
//
if (bufferSize < 1024)
{
bufferSize = 1024;
}
this.socket = socket;
this.port = ((IPEndPoint)socket.RemoteEndPoint).Port;
if (socket.SendBufferSize < bufferSize)
{
socket.SendBufferSize = bufferSize;
}
if (socket.ReceiveBufferSize < bufferSize)
{
socket.ReceiveBufferSize = bufferSize;
}
//
// Create the necessary encoding and decoding streams, so we can
// communicate at all.
//
sendingXdr = new org.acplt.oncrpc.XdrTcpEncodingStream(socket, bufferSize);
receivingXdr = new org.acplt.oncrpc.XdrTcpDecodingStream(socket, bufferSize);
//
// Inherit the character encoding setting from the listening
// transport (parent transport).
//
setCharacterEncoding(parent.getCharacterEncoding());
}
/// <summary>
/// Create a new instance of a <code>OncRpcTcpSConnectionerverTransport</code>
/// which encapsulates TCP/IP-based XDR streams of an ONC/RPC server.
/// </summary>
/// <remarks>
/// Create a new instance of a <code>OncRpcTcpSConnectionerverTransport</code>
/// which encapsulates TCP/IP-based XDR streams of an ONC/RPC server. This
/// particular server transport handles individual ONC/RPC connections over
/// TCP/IP.
/// </remarks>
/// <param name="dispatcher">
/// Reference to interface of an object capable of
/// dispatching (handling) ONC/RPC calls.
/// </param>
/// <param name="socket">TCP/IP-based socket of new connection.</param>
/// <param name="info">
/// Array of program and version number tuples of the ONC/RPC
/// programs and versions handled by this transport.
/// </param>
/// <param name="bufferSize">
/// Size of buffer used when receiving and sending
/// chunks of XDR fragments over TCP/IP. The fragments built up to
/// form ONC/RPC call and reply messages.
/// </param>
/// <param name="parent">Parent server transport which created us.</param>
/// <param name="transmissionTimeout">Inherited transmission timeout.</param>
/// <exception cref="org.acplt.oncrpc.OncRpcException"></exception>
/// <exception cref="System.IO.IOException"></exception>
public OncRpcTcpConnectionServerTransport(org.acplt.oncrpc.server.OncRpcDispatchable
dispatcher, Socket socket, org.acplt.oncrpc.server.OncRpcServerTransportRegistrationInfo
[] info, int bufferSize, org.acplt.oncrpc.server.OncRpcTcpServerTransport parent
, int transmissionTimeout) : base(dispatcher, 0, info)
{
this.parent = parent;
this.transmissionTimeout = transmissionTimeout;
//
// Make sure the buffer is large enough and resize system buffers
// accordingly, if possible.
//
if (bufferSize < 1024)
{
bufferSize = 1024;
}
this.socket = socket;
this.port = ((IPEndPoint)socket.RemoteEndPoint).Port;
if (socket.SendBufferSize < bufferSize)
{
socket.SendBufferSize = bufferSize;
}
if (socket.ReceiveBufferSize < bufferSize)
{
socket.ReceiveBufferSize = bufferSize;
}
//
// Create the necessary encoding and decoding streams, so we can
// communicate at all.
//
sendingXdr = new org.acplt.oncrpc.XdrTcpEncodingStream(socket, bufferSize);
receivingXdr = new org.acplt.oncrpc.XdrTcpDecodingStream(socket, bufferSize);
//
// Inherit the character encoding setting from the listening
// transport (parent transport).
//
setCharacterEncoding(parent.getCharacterEncoding());
}
/// <summary>
/// Constructs a new <code>OncRpcTcpClient</code> object, which connects
/// to the ONC/RPC server at <code>host</code> for calling remote procedures
/// of the given { program, version }.
/// </summary>
/// <remarks>
/// Constructs a new <code>OncRpcTcpClient</code> object, which connects
/// to the ONC/RPC server at <code>host</code> for calling remote procedures
/// of the given { program, version }.
/// <p>Note that the construction of an <code>OncRpcTcpClient</code>
/// object will result in communication with the portmap process at
/// <code>host</code> if <code>port</code> is <code>0</code>.
/// </remarks>
/// <param name="host">The host where the ONC/RPC server resides.</param>
/// <param name="program">Program number of the ONC/RPC server to call.</param>
/// <param name="version">Program version number.</param>
/// <param name="port">
/// The port number where the ONC/RPC server can be contacted.
/// If <code>0</code>, then the <code>OncRpcUdpClient</code> object will
/// ask the portmapper at <code>host</code> for the port number.
/// </param>
/// <param name="bufferSize">
/// Size of receive and send buffers. In contrast to
/// UDP-based ONC/RPC clients, messages larger than the specified
/// buffer size can still be sent and received. The buffer is only
/// necessary to handle the messages and the underlaying streams will
/// break up long messages automatically into suitable pieces.
/// Specifying zero will select the default buffer size (currently
/// 8192 bytes).
/// </param>
/// <param name="timeout">
/// Maximum timeout in milliseconds when connecting to
/// the ONC/RPC server. If negative, a default implementation-specific
/// timeout setting will apply. <i>Note that this timeout only applies
/// to the connection phase, but <b>not</b> to later communication.</i>
/// </param>
/// <exception cref="OncRpcException">if an ONC/RPC error occurs.</exception>
/// <exception cref="System.IO.IOException">if an I/O error occurs.</exception>
/// <exception cref="org.acplt.oncrpc.OncRpcException"></exception>
public OncRpcTcpClient(IPAddress host, int program, int version, int port
, int bufferSize, int timeout) : base(host, program, version, port, org.acplt.oncrpc.OncRpcProtocols
.ONCRPC_TCP)
{
//
// Construct the inherited part of our object. This will also try to
// lookup the port of the desired ONC/RPC server, if no port number
// was specified (port = 0).
//
//
// Let the host operating system choose which port (and network
// interface) to use. Then set the buffer sizes for sending and
// receiving UDP datagrams. Finally set the destination of packets.
//
if (bufferSize == 0)
{
bufferSize = 8192;
}
// default setting
if (bufferSize < 1024)
{
bufferSize = 1024;
}
//
// Note that we use this.port at this time, because the superclass
// might have resolved the port number in case the caller specified
// simply 0 as the port number.
//
// Construct the socket and connect
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint endPoint = new IPEndPoint(host, this.port);
socket.Connect(endPoint);
if (timeout >= 0)
{
socket.SendTimeout = timeout;
socket.ReceiveTimeout = timeout;
}
socket.NoDelay = true;
if (socket.SendBufferSize < bufferSize)
{
socket.SendBufferSize = bufferSize;
}
if (socket.ReceiveBufferSize < bufferSize)
{
socket.ReceiveBufferSize = bufferSize;
}
//
// Create the necessary encoding and decoding streams, so we can
// communicate at all.
//
sendingXdr = new org.acplt.oncrpc.XdrTcpEncodingStream(socket, bufferSize);
receivingXdr = new org.acplt.oncrpc.XdrTcpDecodingStream(socket, bufferSize);
}
/// <summary>Close the server transport and free any resources associated with it.</summary>
/// <remarks>
/// Close the server transport and free any resources associated with it.
/// <p>Note that the server transport is <b>not deregistered</b>. You'll
/// have to do it manually if you need to do so. The reason for this
/// behaviour is, that the portmapper removes all entries regardless of
/// the protocol (TCP/IP or UDP/IP) for a given ONC/RPC program number
/// and version.
/// <p>Calling this method on a <code>OncRpcTcpServerTransport</code>
/// results in the listening TCP network socket immediately being closed.
/// The handler thread will therefore either terminate directly or when
/// it tries to sent back replies.
/// </remarks>
public override void Close()
{
if (socket != null)
{
//
// Since there is a non-zero chance of getting race conditions,
// we now first set the socket instance member to null, before
// we close the corresponding socket. This avoids null-pointer
// exceptions in the method which waits for new requests: it is
// possible that this method is awakened because the socket has
// been closed before we could set the socket instance member to
// null. Many thanks to Michael Smith for tracking down this one.
//
Socket deadSocket = socket;
socket = null;
try
{
deadSocket.Close();
}
catch (System.IO.IOException)
{
}
}
if (sendingXdr != null)
{
org.acplt.oncrpc.XdrEncodingStream deadXdrStream = sendingXdr;
sendingXdr = null;
try
{
deadXdrStream.Close();
}
catch (System.IO.IOException)
{
}
catch (org.acplt.oncrpc.OncRpcException)
{
}
}
if (receivingXdr != null)
{
org.acplt.oncrpc.XdrDecodingStream deadXdrStream = receivingXdr;
receivingXdr = null;
try
{
deadXdrStream.Close();
}
catch (System.IO.IOException)
{
}
catch (org.acplt.oncrpc.OncRpcException)
{
}
}
if (parent != null)
{
parent.removeTransport(this);
parent = null;
}
}
/// <summary>
/// Close the connection to an ONC/RPC server and free all network-related
/// resources.
/// </summary>
/// <remarks>
/// Close the connection to an ONC/RPC server and free all network-related
/// resources. Well -- at least hope, that the Java VM will sometimes free
/// some resources. Sigh.
/// </remarks>
/// <exception cref="OncRpcException">if an ONC/RPC error occurs.</exception>
/// <exception cref="org.acplt.oncrpc.OncRpcException"></exception>
public override void close()
{
if (socket != null)
{
try
{
socket.Close();
}
catch (System.IO.IOException)
{
}
socket = null;
}
socket = null;
if (sendingXdr != null)
{
try
{
sendingXdr.Close();
}
catch (System.IO.IOException)
{
}
sendingXdr = null;
}
if (receivingXdr != null)
{
try
{
receivingXdr.Close();
}
catch (System.IO.IOException)
{
}
receivingXdr = null;
}
}
