AppPkg/Applications/Sockets/GetNameInfo/GetNameInfo.c

   1 /** @file
   2   Test the getnameinfo API
   3
   4   Copyright (c) 2011-2012, Intel Corporation. All rights reserved.
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include <errno.h>
  10 #include <netdb.h>
  11 #include <string.h>
  12 #include <stdio.h>
  13 #include <Uefi.h>
  14 #include <unistd.h>
  15
  16 #include <netinet/in.h>
  17
  18 #include <sys/socket.h>
  19
  20 char mBuffer[65536];
  21 char mHostName[256];
  22 char mServiceName[256];
  23
  24 /**
  25   Test the getnameinfo API
  26
  27   @param [in] Argc  The number of arguments
  28   @param [in] Argv  The argument value array
  29
  30   @retval  0        The application exited normally.
  31   @retval  Other    An error occurred.
  32 **/
  33 int
  34 main (
  35   IN int Argc,
  36   IN char **Argv
  37   )
  38 {
  39   int AppStatus;
  40   struct addrinfo * pAddrInfo;
  41   char * pHostName;
  42   struct addrinfo * pInfo;
  43   char * pServerName;
  44
  45   //
  46   //  Determine if the host name is specified
  47   //
  48   AppStatus = 0;
  49   if ( 1 == Argc ) {
  50     printf ( "%s  <host address>  <server name>\r\n", Argv[0]);
  51   }
  52   else {
  53     //
  54     //  Translate the host name
  55     //
  56     pHostName = Argv[1];
  57     pServerName = NULL;
  58     if ( 2 < Argc ) {
  59       pServerName = Argv[2];
  60     }
  61     AppStatus = getaddrinfo ( pHostName,
  62                               pServerName,
  63                               NULL,
  64                               &pAddrInfo );
  65     if ( 0 != AppStatus ) {
  66       printf ( "ERROR - address info not found, errno: %d\r\n", AppStatus );
  67     }
  68     if ( NULL == pAddrInfo ) {
  69       printf ( "ERROR - No address info structure allocated\r\n" );
  70     }
  71     else {
  72       //
  73       //  Walk the list of names
  74       //
  75       pInfo = pAddrInfo;
  76       while ( NULL != pInfo ) {
  77         //
  78         //  Get the name info
  79         //
  80         AppStatus = getnameinfo ((struct sockaddr *)pInfo->ai_addr,
  81                                   pInfo->ai_addrlen,
  82                                   &mHostName[0],
  83                                   sizeof ( mHostName ),
  84                                   &mServiceName[0],
  85                                   sizeof ( mServiceName ),
  86                                   0 );
  87         if ( 0 != AppStatus ) {
  88           break;
  89         }
  90
  91         //
  92         //  Display this entry
  93         //
  94         printf ( "%s: HostName\r\n", &mHostName[0]);
  95         printf ( "%s: Service Name\r\n", &mServiceName[0]);
  96
  97         //
  98         //  Set the next entry
  99         //
 100         pInfo = pInfo->ai_next;
 101       }
 102
 103       //
 104       //  Done with this structures
 105       //
 106       freeaddrinfo ( pAddrInfo );
 107     }
 108   }
 109
 110   //
 111   //  All done
 112   //
 113   return AppStatus;
 114 }