Class Socket


  • @Deprecated
    public class Socket
    extends Object
    Deprecated.
    The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
    Socket
    Author:
    Mladen Turk
    • Constructor Summary

      Constructors 
      Constructor Description
      Socket()
      Deprecated.
       
    • Method Summary

      All Methods Static Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      static long accept​(long sock)
      Deprecated.
      Accept a new connection request
      static int acceptfilter​(long sock, String name, String args)
      Deprecated.
      Set an OS level accept filter.
      static long acceptx​(long sock, long pool)
      Deprecated.
      Accept a new connection request
      static boolean atmark​(long sock)
      Deprecated.
      Query the specified socket if at the OOB/Urgent data mark
      static int bind​(long sock, long sa)
      Deprecated.
      Bind the socket to its associated port
      static int close​(long thesocket)
      Deprecated.
      Close a socket.
      static int connect​(long sock, long sa)
      Deprecated.
      Issue a connection request to a socket either on the same machine or a different one.
      static long create​(int family, int type, int protocol, long cont)
      Deprecated.
      Create a socket.
      static Object dataGet​(long sock, String key)
      Deprecated.
      Return the data associated with the current socket
      static int dataSet​(long sock, String key, Object data)
      Deprecated.
      Set the data associated with the current socket.
      static void destroy​(long thesocket)
      Deprecated.
      Destroy a pool associated with socket
      static int listen​(long sock, int backlog)
      Deprecated.
      Listen to a bound socket for connections.
      static int optGet​(long sock, int opt)
      Deprecated.
      Query socket options for the specified socket
      static int optSet​(long sock, int opt, int on)
      Deprecated.
      Setup socket options for the specified socket
      static long pool​(long thesocket)
      Deprecated.
      Create a child pool from associated socket pool.
      static int recv​(long sock, byte[] buf, int offset, int nbytes)
      Deprecated.
      Read data from a network.
      static int recvb​(long sock, ByteBuffer buf, int offset, int nbytes)
      Deprecated.
      Read data from a network.
      static int recvbb​(long sock, int offset, int nbytes)
      Deprecated.
      Read data from a network using internally set ByteBuffer.
      static int recvbbt​(long sock, int offset, int nbytes, long timeout)
      Deprecated.
      Read data from a network with timeout using internally set ByteBuffer
      static int recvbt​(long sock, ByteBuffer buf, int offset, int nbytes, long timeout)
      Deprecated.
      Read data from a network with timeout.
      static int recvfrom​(long from, long sock, int flags, byte[] buf, int offset, int nbytes)
      Deprecated.
       
      static int recvt​(long sock, byte[] buf, int offset, int nbytes, long timeout)
      Deprecated.
      Read data from a network with timeout.
      static int send​(long sock, byte[] buf, int offset, int len)
      Deprecated.
      Send data over a network.
      static int sendb​(long sock, ByteBuffer buf, int offset, int len)
      Deprecated.
      Send data over a network.
      static int sendbb​(long sock, int offset, int len)
      Deprecated.
      Send data over a network using internally set ByteBuffer
      static long sendfile​(long sock, long file, byte[][] headers, byte[][] trailers, long offset, long len, int flags)
      Deprecated.
      Send a file from an open file descriptor to a socket, along with optional headers and trailers.
      static long sendfilen​(long sock, long file, long offset, long len, int flags)
      Deprecated.
      Send a file without header and trailer arrays.
      static int sendib​(long sock, ByteBuffer buf, int offset, int len)
      Deprecated.
      Send data over a network without retry
      static int sendibb​(long sock, int offset, int len)
      Deprecated.
      Send data over a network using internally set ByteBuffer without internal retry.
      static int sendto​(long sock, long where, int flags, byte[] buf, int offset, int len)
      Deprecated.
       
      static int sendv​(long sock, byte[][] vec)
      Deprecated.
      Send multiple packets of data over a network.
      static void setrbb​(long sock, ByteBuffer buf)
      Deprecated.
      Set internal receive ByteBuffer.
      static void setsbb​(long sock, ByteBuffer buf)
      Deprecated.
      Set internal send ByteBuffer.
      static int shutdown​(long thesocket, int how)
      Deprecated.
      Shutdown either reading, writing, or both sides of a socket.
      static long timeoutGet​(long sock)
      Deprecated.
      Query socket timeout for the specified socket
      static int timeoutSet​(long sock, long t)
      Deprecated.
      Setup socket timeout for the specified socket
    • Field Detail

      • APR_SO_KEEPALIVE

        public static final int APR_SO_KEEPALIVE
        Deprecated.
        Linger
        See Also:
        Constant Field Values
      • APR_SO_DEBUG

        public static final int APR_SO_DEBUG
        Deprecated.
        Keepalive
        See Also:
        Constant Field Values
      • APR_SO_NONBLOCK

        public static final int APR_SO_NONBLOCK
        Deprecated.
        Debug
        See Also:
        Constant Field Values
      • APR_SO_REUSEADDR

        public static final int APR_SO_REUSEADDR
        Deprecated.
        Non-blocking IO
        See Also:
        Constant Field Values
      • APR_SO_SNDBUF

        public static final int APR_SO_SNDBUF
        Deprecated.
        Reuse addresses
        See Also:
        Constant Field Values
      • APR_SO_RCVBUF

        public static final int APR_SO_RCVBUF
        Deprecated.
        Send buffer
        See Also:
        Constant Field Values
      • APR_SO_DISCONNECTED

        public static final int APR_SO_DISCONNECTED
        Deprecated.
        Receive buffer
        See Also:
        Constant Field Values
      • APR_TCP_NODELAY

        public static final int APR_TCP_NODELAY
        Deprecated.
        For SCTP sockets, this is mapped to STCP_NODELAY internally.
        See Also:
        Constant Field Values
      • APR_RESET_NODELAY

        public static final int APR_RESET_NODELAY
        Deprecated.
        This flag is ONLY set internally when we set APR_TCP_NOPUSH with APR_TCP_NODELAY set to tell us that APR_TCP_NODELAY should be turned on again when NOPUSH is turned off
        See Also:
        Constant Field Values
      • APR_INCOMPLETE_READ

        public static final int APR_INCOMPLETE_READ
        Deprecated.
        Set on non-blocking sockets (timeout != 0) on which the previous read() did not fill a buffer completely. the next apr_socket_recv() will first call select()/poll() rather than going straight into read(). (Can also be set by an application to force a select()/poll() call before the next read, in cases where the app expects that an immediate read would fail.)
        See Also:
        Constant Field Values
      • APR_INCOMPLETE_WRITE

        public static final int APR_INCOMPLETE_WRITE
        Deprecated.
        like APR_INCOMPLETE_READ, but for write
        See Also:
        Constant Field Values
      • APR_IPV6_V6ONLY

        public static final int APR_IPV6_V6ONLY
        Deprecated.
        Don't accept IPv4 connections on an IPv6 listening socket.
        See Also:
        Constant Field Values
      • APR_TCP_DEFER_ACCEPT

        public static final int APR_TCP_DEFER_ACCEPT
        Deprecated.
        Delay accepting of new connections until data is available.
        See Also:
        Constant Field Values
      • APR_SHUTDOWN_READ

        public static final int APR_SHUTDOWN_READ
        Deprecated.
        Define what type of socket shutdown should occur. apr_shutdown_how_e enum
        See Also:
        Constant Field Values
      • APR_SHUTDOWN_WRITE

        public static final int APR_SHUTDOWN_WRITE
        Deprecated.
        no longer allow read request
        See Also:
        Constant Field Values
      • APR_SHUTDOWN_READWRITE

        public static final int APR_SHUTDOWN_READWRITE
        Deprecated.
        no longer allow write requests
        See Also:
        Constant Field Values
      • APR_IPV4_ADDR_OK

        public static final int APR_IPV4_ADDR_OK
        Deprecated.
        no longer allow read or write requests
        See Also:
        Constant Field Values
      • APR_LOCAL

        public static final int APR_LOCAL
        Deprecated.
        Enum to tell us if we're interested in remote or local socket apr_interface_e
        See Also:
        Constant Field Values
    • Constructor Detail

      • Socket

        public Socket()
        Deprecated.
    • Method Detail

      • create

        public static long create​(int family,
                                  int type,
                                  int protocol,
                                  long cont)
                           throws Exception
        Deprecated.
        Create a socket.
        Parameters:
        family - The address family of the socket (e.g., APR_INET).
        type - The type of the socket (e.g., SOCK_STREAM).
        protocol - The protocol of the socket (e.g., APR_PROTO_TCP).
        cont - The parent pool to use
        Returns:
        The new socket that has been set up.
        Throws:
        Exception - Error creating socket
      • shutdown

        public static int shutdown​(long thesocket,
                                   int how)
        Deprecated.
        Shutdown either reading, writing, or both sides of a socket.
        This does not actually close the socket descriptor, it just controls which calls are still valid on the socket.
        Parameters:
        thesocket - The socket to close
        how - How to shutdown the socket. One of:
         APR_SHUTDOWN_READ         no longer allow read requests
         APR_SHUTDOWN_WRITE        no longer allow write requests
         APR_SHUTDOWN_READWRITE    no longer allow read or write requests
         
        Returns:
        the operation status
      • close

        public static int close​(long thesocket)
        Deprecated.
        Close a socket.
        Parameters:
        thesocket - The socket to close
        Returns:
        the operation status
      • destroy

        public static void destroy​(long thesocket)
        Deprecated.
        Destroy a pool associated with socket
        Parameters:
        thesocket - The destroy
      • bind

        public static int bind​(long sock,
                               long sa)
        Deprecated.
        Bind the socket to its associated port
        Parameters:
        sock - The socket to bind
        sa - The socket address to bind to This may be where we will find out if there is any other process using the selected port.
        Returns:
        the operation status
      • listen

        public static int listen​(long sock,
                                 int backlog)
        Deprecated.
        Listen to a bound socket for connections.
        Parameters:
        sock - The socket to listen on
        backlog - The number of outstanding connections allowed in the sockets listen queue. If this value is less than zero, the listen queue size is set to zero.
        Returns:
        the operation status
      • acceptx

        public static long acceptx​(long sock,
                                   long pool)
                            throws Exception
        Deprecated.
        Accept a new connection request
        Parameters:
        sock - The socket we are listening on.
        pool - The pool for the new socket.
        Returns:
        A copy of the socket that is connected to the socket that made the connection request. This is the socket which should be used for all future communication.
        Throws:
        Exception - Socket accept error
      • accept

        public static long accept​(long sock)
                           throws Exception
        Deprecated.
        Accept a new connection request
        Parameters:
        sock - The socket we are listening on.
        Returns:
        A copy of the socket that is connected to the socket that made the connection request. This is the socket which should be used for all future communication.
        Throws:
        Exception - Socket accept error
      • acceptfilter

        public static int acceptfilter​(long sock,
                                       String name,
                                       String args)
        Deprecated.
        Set an OS level accept filter.
        Parameters:
        sock - The socket to put the accept filter on.
        name - The accept filter
        args - Any extra args to the accept filter. Passing NULL here removes the accept filter.
        Returns:
        the operation status
      • atmark

        public static boolean atmark​(long sock)
        Deprecated.
        Query the specified socket if at the OOB/Urgent data mark
        Parameters:
        sock - The socket to query
        Returns:
        true if socket is at the OOB/urgent mark, otherwise false.
      • connect

        public static int connect​(long sock,
                                  long sa)
        Deprecated.
        Issue a connection request to a socket either on the same machine or a different one.
        Parameters:
        sock - The socket we wish to use for our side of the connection
        sa - The address of the machine we wish to connect to.
        Returns:
        the operation status
      • send

        public static int send​(long sock,
                               byte[] buf,
                               int offset,
                               int len)
        Deprecated.
        Send data over a network.
         This functions acts like a blocking write by default.  To change
         this behavior, use apr_socket_timeout_set() or the APR_SO_NONBLOCK
         socket option.
        
         It is possible for both bytes to be sent and an error to be returned.
        
         APR_EINTR is never returned.
         
        Parameters:
        sock - The socket to send the data over.
        buf - The buffer which contains the data to be sent.
        offset - Offset in the byte buffer.
        len - The number of bytes to write; (-1) for full array.
        Returns:
        The number of bytes sent
      • sendb

        public static int sendb​(long sock,
                                ByteBuffer buf,
                                int offset,
                                int len)
        Deprecated.
        Send data over a network.
         This functions acts like a blocking write by default.  To change
         this behavior, use apr_socket_timeout_set() or the APR_SO_NONBLOCK
         socket option.
        
         It is possible for both bytes to be sent and an error to be returned.
        
         APR_EINTR is never returned.
         
        Parameters:
        sock - The socket to send the data over.
        buf - The Byte buffer which contains the data to be sent.
        offset - The offset within the buffer array of the first buffer from which bytes are to be retrieved; must be non-negative and no larger than buf.length
        len - The maximum number of buffers to be accessed; must be non-negative and no larger than buf.length - offset
        Returns:
        The number of bytes sent
      • sendib

        public static int sendib​(long sock,
                                 ByteBuffer buf,
                                 int offset,
                                 int len)
        Deprecated.
        Send data over a network without retry
         This functions acts like a blocking write by default.  To change
         this behavior, use apr_socket_timeout_set() or the APR_SO_NONBLOCK
         socket option.
        
         It is possible for both bytes to be sent and an error to be returned.
        
         
        Parameters:
        sock - The socket to send the data over.
        buf - The Byte buffer which contains the data to be sent.
        offset - The offset within the buffer array of the first buffer from which bytes are to be retrieved; must be non-negative and no larger than buf.length
        len - The maximum number of buffers to be accessed; must be non-negative and no larger than buf.length - offset
        Returns:
        The number of bytes sent
      • sendbb

        public static int sendbb​(long sock,
                                 int offset,
                                 int len)
        Deprecated.
        Send data over a network using internally set ByteBuffer
        Parameters:
        sock - The socket to send the data over.
        offset - The offset within the buffer array of the first buffer from which bytes are to be retrieved; must be non-negative and no larger than buf.length
        len - The maximum number of buffers to be accessed; must be non-negative and no larger than buf.length - offset
        Returns:
        The number of bytes sent
      • sendibb

        public static int sendibb​(long sock,
                                  int offset,
                                  int len)
        Deprecated.
        Send data over a network using internally set ByteBuffer without internal retry.
        Parameters:
        sock - The socket to send the data over.
        offset - The offset within the buffer array of the first buffer from which bytes are to be retrieved; must be non-negative and no larger than buf.length
        len - The maximum number of buffers to be accessed; must be non-negative and no larger than buf.length - offset
        Returns:
        The number of bytes sent
      • sendv

        public static int sendv​(long sock,
                                byte[][] vec)
        Deprecated.
        Send multiple packets of data over a network.
         This functions acts like a blocking write by default.  To change
         this behavior, use apr_socket_timeout_set() or the APR_SO_NONBLOCK
         socket option.
         The number of bytes actually sent is stored in argument 3.
        
         It is possible for both bytes to be sent and an error to be returned.
        
         APR_EINTR is never returned.
         
        Parameters:
        sock - The socket to send the data over.
        vec - The array from which to get the data to send.
        Returns:
        The number of bytes sent
      • sendto

        public static int sendto​(long sock,
                                 long where,
                                 int flags,
                                 byte[] buf,
                                 int offset,
                                 int len)
        Deprecated.
        Parameters:
        sock - The socket to send from
        where - The apr_sockaddr_t describing where to send the data
        flags - The flags to use
        buf - The data to send
        offset - Offset in the byte buffer.
        len - The length of the data to send
        Returns:
        The number of bytes sent
      • recv

        public static int recv​(long sock,
                               byte[] buf,
                               int offset,
                               int nbytes)
        Deprecated.
        Read data from a network.
         This functions acts like a blocking read by default.  To change
         this behavior, use apr_socket_timeout_set() or the APR_SO_NONBLOCK
         socket option.
         The number of bytes actually received is stored in argument 3.
        
         It is possible for both bytes to be received and an APR_EOF or
         other error to be returned.
        
         APR_EINTR is never returned.
         
        Parameters:
        sock - The socket to read the data from.
        buf - The buffer to store the data in.
        offset - Offset in the byte buffer.
        nbytes - The number of bytes to read (-1) for full array.
        Returns:
        the number of bytes received.
      • recvt

        public static int recvt​(long sock,
                                byte[] buf,
                                int offset,
                                int nbytes,
                                long timeout)
        Deprecated.
        Read data from a network with timeout.
         This functions acts like a blocking read by default.  To change
         this behavior, use apr_socket_timeout_set() or the APR_SO_NONBLOCK
         socket option.
         The number of bytes actually received is stored in argument 3.
        
         It is possible for both bytes to be received and an APR_EOF or
         other error to be returned.
        
         APR_EINTR is never returned.
         
        Parameters:
        sock - The socket to read the data from.
        buf - The buffer to store the data in.
        offset - Offset in the byte buffer.
        nbytes - The number of bytes to read (-1) for full array.
        timeout - The socket timeout in microseconds.
        Returns:
        the number of bytes received.
      • recvb

        public static int recvb​(long sock,
                                ByteBuffer buf,
                                int offset,
                                int nbytes)
        Deprecated.
        Read data from a network.
         This functions acts like a blocking read by default.  To change
         this behavior, use apr_socket_timeout_set() or the APR_SO_NONBLOCK
         socket option.
         The number of bytes actually received is stored in argument 3.
        
         It is possible for both bytes to be received and an APR_EOF or
         other error to be returned.
        
         APR_EINTR is never returned.
         
        Parameters:
        sock - The socket to read the data from.
        buf - The buffer to store the data in.
        offset - Offset in the byte buffer.
        nbytes - The number of bytes to read (-1) for full array.
        Returns:
        If ≥ 0, the return value is the number of bytes read. Note a non-blocking read with no data current available will return Status.EAGAIN and EOF will return Status.APR_EOF.
      • recvbb

        public static int recvbb​(long sock,
                                 int offset,
                                 int nbytes)
        Deprecated.
        Read data from a network using internally set ByteBuffer.
        Parameters:
        sock - The socket to read the data from.
        offset - Offset in the byte buffer.
        nbytes - The number of bytes to read (-1) for full array.
        Returns:
        If > 0, the return value is the number of bytes read. If == 0, the return value indicates EOF and if < 0 the return value is the error code. Note a non-blocking read with no data current available will return Status.EAGAIN not zero.
      • recvbt

        public static int recvbt​(long sock,
                                 ByteBuffer buf,
                                 int offset,
                                 int nbytes,
                                 long timeout)
        Deprecated.
        Read data from a network with timeout.
         This functions acts like a blocking read by default.  To change
         this behavior, use apr_socket_timeout_set() or the APR_SO_NONBLOCK
         socket option.
         The number of bytes actually received is stored in argument 3.
        
         It is possible for both bytes to be received and an APR_EOF or
         other error to be returned.
        
         APR_EINTR is never returned.
         
        Parameters:
        sock - The socket to read the data from.
        buf - The buffer to store the data in.
        offset - Offset in the byte buffer.
        nbytes - The number of bytes to read (-1) for full array.
        timeout - The socket timeout in microseconds.
        Returns:
        the number of bytes received.
      • recvbbt

        public static int recvbbt​(long sock,
                                  int offset,
                                  int nbytes,
                                  long timeout)
        Deprecated.
        Read data from a network with timeout using internally set ByteBuffer
        Parameters:
        sock - The socket to read the data from.
        offset - Offset in the byte buffer.
        nbytes - The number of bytes to read (-1) for full array.
        timeout - The socket timeout in microseconds.
        Returns:
        the number of bytes received.
      • recvfrom

        public static int recvfrom​(long from,
                                   long sock,
                                   int flags,
                                   byte[] buf,
                                   int offset,
                                   int nbytes)
        Deprecated.
        Parameters:
        from - The apr_sockaddr_t to fill in the recipient info
        sock - The socket to use
        flags - The flags to use
        buf - The buffer to use
        offset - Offset in the byte buffer.
        nbytes - The number of bytes to read (-1) for full array.
        Returns:
        the number of bytes received.
      • optSet

        public static int optSet​(long sock,
                                 int opt,
                                 int on)
        Deprecated.
        Setup socket options for the specified socket
        Parameters:
        sock - The socket to set up.
        opt - The option we would like to configure. One of:
         APR_SO_DEBUG      --  turn on debugging information
         APR_SO_KEEPALIVE  --  keep connections active
         APR_SO_LINGER     --  lingers on close if data is present
         APR_SO_NONBLOCK   --  Turns blocking on/off for socket
                               When this option is enabled, use
                               the APR_STATUS_IS_EAGAIN() macro to
                               see if a send or receive function
                               could not transfer data without
                               blocking.
         APR_SO_REUSEADDR  --  The rules used in validating addresses
                               supplied to bind should allow reuse
                               of local addresses.
         APR_SO_SNDBUF     --  Set the SendBufferSize
         APR_SO_RCVBUF     --  Set the ReceiveBufferSize
         
        on - Value for the option.
        Returns:
        the operation status
      • optGet

        public static int optGet​(long sock,
                                 int opt)
                          throws Exception
        Deprecated.
        Query socket options for the specified socket
        Parameters:
        sock - The socket to query
        opt - The option we would like to query. One of:
         APR_SO_DEBUG      --  turn on debugging information
         APR_SO_KEEPALIVE  --  keep connections active
         APR_SO_LINGER     --  lingers on close if data is present
         APR_SO_NONBLOCK   --  Turns blocking on/off for socket
         APR_SO_REUSEADDR  --  The rules used in validating addresses
                               supplied to bind should allow reuse
                               of local addresses.
         APR_SO_SNDBUF     --  Set the SendBufferSize
         APR_SO_RCVBUF     --  Set the ReceiveBufferSize
         APR_SO_DISCONNECTED -- Query the disconnected state of the socket.
                               (Currently only used on Windows)
         
        Returns:
        Socket option returned on the call.
        Throws:
        Exception - An error occurred
      • timeoutSet

        public static int timeoutSet​(long sock,
                                     long t)
        Deprecated.
        Setup socket timeout for the specified socket
        Parameters:
        sock - The socket to set up.
        t - Value for the timeout in microseconds.
         t > 0  -- read and write calls return APR_TIMEUP if specified time
                   elapses with no data read or written
         t == 0 -- read and write calls never block
         t < 0  -- read and write calls block
         
        Returns:
        the operation status
      • timeoutGet

        public static long timeoutGet​(long sock)
                               throws Exception
        Deprecated.
        Query socket timeout for the specified socket
        Parameters:
        sock - The socket to query
        Returns:
        Socket timeout returned from the query.
        Throws:
        Exception - An error occurred
      • sendfile

        public static long sendfile​(long sock,
                                    long file,
                                    byte[][] headers,
                                    byte[][] trailers,
                                    long offset,
                                    long len,
                                    int flags)
        Deprecated.
        Send a file from an open file descriptor to a socket, along with optional headers and trailers.
        This functions acts like a blocking write by default. To change this behavior, use apr_socket_timeout_set() or the APR_SO_NONBLOCK socket option. The number of bytes actually sent is stored in the len parameter. The offset parameter is passed by reference for no reason; its value will never be modified by the apr_socket_sendfile() function.
        Parameters:
        sock - The socket to which we're writing
        file - The open file from which to read
        headers - Array containing the headers to send
        trailers - Array containing the trailers to send
        offset - Offset into the file where we should begin writing
        len - Number of bytes to send from the file
        flags - APR flags that are mapped to OS specific flags
        Returns:
        Number of bytes actually sent, including headers, file, and trailers
      • sendfilen

        public static long sendfilen​(long sock,
                                     long file,
                                     long offset,
                                     long len,
                                     int flags)
        Deprecated.
        Send a file without header and trailer arrays.
        Parameters:
        sock - The socket to which we're writing
        file - The open file from which to read
        offset - Offset into the file where we should begin writing
        len - Number of bytes to send from the file
        flags - APR flags that are mapped to OS specific flags
        Returns:
        Number of bytes actually sent
      • pool

        public static long pool​(long thesocket)
                         throws Exception
        Deprecated.
        Create a child pool from associated socket pool.
        Parameters:
        thesocket - The socket to use
        Returns:
        a pointer to the pool
        Throws:
        Exception - An error occurred
      • setsbb

        public static void setsbb​(long sock,
                                  ByteBuffer buf)
        Deprecated.
        Set internal send ByteBuffer. This function will preset internal Java ByteBuffer for consecutive sendbb calls.
        Parameters:
        sock - The socket to use
        buf - The ByteBuffer
      • setrbb

        public static void setrbb​(long sock,
                                  ByteBuffer buf)
        Deprecated.
        Set internal receive ByteBuffer. This function will preset internal Java ByteBuffer for consecutive revcvbb/recvbbt calls.
        Parameters:
        sock - The socket to use
        buf - The ByteBuffer
      • dataSet

        public static int dataSet​(long sock,
                                  String key,
                                  Object data)
        Deprecated.
        Set the data associated with the current socket.
        Parameters:
        sock - The currently open socket.
        data - The user data to associate with the socket.
        key - The key to associate with the data.
        Returns:
        the operation status
      • dataGet

        public static Object dataGet​(long sock,
                                     String key)
        Deprecated.
        Return the data associated with the current socket
        Parameters:
        sock - The currently open socket.
        key - The key to associate with the user data.
        Returns:
        Data or null in case of error.