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      1 /** @file
      2   The function declaration that provided for Socket Interface.
      3 
      4   Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
      5 
      6   This program and the accompanying materials
      7   are licensed and made available under the terms and conditions of the BSD License
      8   which accompanies this distribution.  The full text of the license may be found at
      9   http://opensource.org/licenses/bsd-license.php.
     10 
     11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     13 
     14 **/
     15 
     16 #ifndef _SOCK_IMPL_H_
     17 #define _SOCK_IMPL_H_
     18 
     19 #include "Socket.h"
     20 
     21 /**
     22   Signal a event with the given status.
     23 
     24   @param[in] Token        The token's event is to be signaled.
     25   @param[in] TokenStatus  The status to be sent with the event.
     26 
     27 **/
     28 #define SIGNAL_TOKEN(Token, TokenStatus) \
     29   do { \
     30     (Token)->Status = (TokenStatus); \
     31     gBS->SignalEvent ((Token)->Event); \
     32   } while (0)
     33 
     34 #define SOCK_HEADER_SPACE (60 + 60 + 72)
     35 
     36 /**
     37   Process the TCP send data, buffer the tcp txdata and append
     38   the buffer to socket send buffer, then try to send it.
     39 
     40   @param[in]  Sock              Pointer to the socket.
     41   @param[in]  TcpTxData         Pointer to the application provided send buffer.
     42 
     43   @retval EFI_SUCCESS           The operation completed successfully.
     44   @retval EFI_OUT_OF_RESOURCES  Failed due to resource limits.
     45 
     46 **/
     47 EFI_STATUS
     48 SockProcessTcpSndData (
     49   IN SOCKET   *Sock,
     50   IN VOID     *TcpTxData
     51   );
     52 
     53 /**
     54   Get received data from the socket layer to the receive token.
     55 
     56   @param[in, out]  Sock       Pointer to the socket.
     57   @param[in, out]  RcvToken   Pointer to the application provided receive token.
     58 
     59   @return The length of data received in this token.
     60 
     61 **/
     62 UINT32
     63 SockProcessRcvToken (
     64   IN OUT SOCKET        *Sock,
     65   IN OUT SOCK_IO_TOKEN *RcvToken
     66   );
     67 
     68 /**
     69   Flush the sndBuffer and rcvBuffer of socket.
     70 
     71   @param[in, out]  Sock                  Pointer to the socket.
     72 
     73 **/
     74 VOID
     75 SockConnFlush (
     76   IN OUT SOCKET *Sock
     77   );
     78 
     79 /**
     80   Create a socket with initial data SockInitData.
     81 
     82   @param[in]  SockInitData          Pointer to the initial data of the socket.
     83 
     84   @return Pointer to the newly created socket, return NULL when exception occured.
     85 
     86 **/
     87 SOCKET *
     88 SockCreate (
     89   IN SOCK_INIT_DATA *SockInitData
     90   );
     91 
     92 /**
     93   Destroy a socket.
     94 
     95   @param[in, out]  Sock                  Pointer to the socket.
     96 
     97 **/
     98 VOID
     99 SockDestroy (
    100   IN OUT SOCKET *Sock
    101   );
    102 
    103 #endif
    104