AppPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / AppPkg / Applications / Sockets / RecvDgram / RecvDgram.c

/** @file\r
  Receive a datagram\r
\r
  Copyright (c) 2011-2012, Intel Corporation. All rights reserved.\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <errno.h>\r
#include <string.h>\r
#include <Uefi.h>\r
#include <unistd.h>\r
\r
#include <Library/DebugLib.h>\r
#include <Library/UefiLib.h>\r
\r
#include <netinet/in.h>\r
\r
#include <sys/socket.h>\r
#include <sys/time.h>\r
\r
UINT8 mBuffer[ 65536 ];\r
\r
/**\r
  Receive a datagram\r
\r
  @param [in] Argc  The number of arguments\r
  @param [in] Argv  The argument value array\r
\r
  @retval  0        The application exited normally.\r
  @retval  Other    An error occurred.\r
**/\r
int\r
main (\r
  IN int Argc,\r
  IN char **Argv\r
  )\r
{\r
  struct sockaddr_in Address;\r
  socklen_t AddressLength;\r
  ssize_t LengthInBytes;\r
  int s;\r
  int Status;\r
  struct timeval Timeout;\r
  \r
\r
  DEBUG (( DEBUG_INFO,\r
            "%a starting\r\n",\r
            Argv[0]));\r
\r
  //\r
  //  Get the socket\r
  //\r
  s = socket ( AF_INET, SOCK_DGRAM, 0 );\r
  if ( -1 == s ) {\r
    Print ( L"ERROR - Unable to open the socket, errno: %d\r\n", errno );\r
  }\r
  else {\r
    Timeout.tv_sec = 5;\r
    Timeout.tv_usec = 0;\r
    Status = setsockopt ( s,\r
                          SOL_SOCKET,\r
                          SO_RCVTIMEO,\r
                          &Timeout,\r
                          sizeof ( Timeout ));\r
    if ( -1 == Status ) {\r
      Print ( L"ERROR - Unable to set the receive timeout, errno: %d\r\n", errno );\r
    }\r
    else {\r
      AddressLength = sizeof ( Address );\r
      LengthInBytes = recvfrom ( s,\r
                                 &mBuffer[0],\r
                                 sizeof ( mBuffer[0]),\r
                                 0,\r
                                 (struct sockaddr *)&Address,\r
                                 &AddressLength );\r
      if ( -1 == LengthInBytes ) {\r
        if ( ETIMEDOUT == errno ) {\r
          Print ( L"No datagram received\r\n" );\r
        }\r
        else {\r
          Print ( L"ERROR - No datagram received, errno: %d\r\n", errno );\r
        }\r
      }\r
      else {\r
        Print ( L"Received %d bytes from %d.%d.%d.%d:%d\r\n",\r
                LengthInBytes,\r
                (UINT8)Address.sin_addr.s_addr,\r
                (UINT8)( Address.sin_addr.s_addr >> 8 ),\r
                (UINT8)( Address.sin_addr.s_addr >> 16 ),\r
                (UINT8)( Address.sin_addr.s_addr >> 24 ),\r
                htons ( Address.sin_port ));\r
      }\r
    }\r
\r
    //\r
    //  Done with the socket\r
    //\r
    close ( s );\r
  }\r
\r
  //\r
  //  All done\r
  //\r
  DEBUG (( DEBUG_INFO,\r
            "%a exiting, errno: %d\r\n",\r
            Argv[0],\r
            errno ));\r
  return errno;\r
}\r