AppPkg/Applications/Sockets/GetAddrInfo/GetAddrInfo.c

   1 /** @file
   2   Test the getaddrinfo 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
  22
  23 /**
  24   Test the getaddrinfo API
  25
  26   @param [in] Argc  The number of arguments
  27   @param [in] Argv  The argument value array
  28
  29   @retval  0        The application exited normally.
  30   @retval  Other    An error occurred.
  31 **/
  32 int
  33 main (
  34   IN int Argc,
  35   IN char **Argv
  36   )
  37 {
  38   int AppStatus;
  39   int Index;
  40   int MaxLen;
  41   struct addrinfo * pAddrInfo;
  42   char * pHostName;
  43   struct addrinfo * pInfo;
  44   char * pServerName;
  45
  46   //
  47   //  Determine if the host name is specified
  48   //
  49   AppStatus = 0;
  50   if ( 1 == Argc ) {
  51     printf ( "%s  <host name>  <server name>\r\n", Argv[0]);
  52   }
  53   else {
  54     //
  55     //  Translate the host name
  56     //
  57     pHostName = Argv[1];
  58     pServerName = NULL;
  59     if ( 2 < Argc ) {
  60       pServerName = Argv[2];
  61     }
  62     AppStatus = getaddrinfo ( pHostName,
  63                               pServerName,
  64                               NULL,
  65                               &pAddrInfo );
  66     if ( 0 != AppStatus ) {
  67       printf ( "ERROR - address info not found, errno: %d\r\n", AppStatus );
  68     }
  69     if ( NULL == pAddrInfo ) {
  70       printf ( "ERROR - No address info structure allocated\r\n" );
  71     }
  72     else {
  73       //
  74       //  Walk the list of addresses
  75       //
  76       pInfo = pAddrInfo;
  77       while ( NULL != pInfo ) {
  78         //
  79         //  Display this entry
  80         //
  81         printf ( "0x%08x: ai_flags\r\n", pInfo->ai_flags );
  82         printf ( "0x%08x: ai_family\r\n", pInfo->ai_family );
  83         printf ( "0x%08x: ai_socktype\r\n", pInfo->ai_socktype );
  84         printf ( "0x%08x: ai_protocol\r\n", pInfo->ai_protocol );
  85         printf ( "0x%08x: ai_addrlen\r\n", pInfo->ai_addrlen );
  86         printf ( "%s: ai_canonname\r\n", pInfo->ai_canonname );
  87         printf ( "      0x%02x: ai_addr->sa_len\r\n", (UINT8)pInfo->ai_addr->sa_len );
  88         printf ( "      0x%02x: ai_addr->sa_family\r\n", (UINT8)pInfo->ai_addr->sa_family );
  89         MaxLen = pInfo->ai_addr->sa_len;
  90         if ( sizeof ( struct sockaddr_in6 ) < MaxLen ) {
  91           MaxLen = sizeof ( struct sockaddr_in6 );
  92         }
  93         for ( Index = 0; ( MaxLen - 2 ) > Index; Index++ ) {
  94           printf ( "      0x%02x: ai_addr->sa_data[%02d]\r\n", (UINT8)pInfo->ai_addr->sa_data [ Index ], Index );
  95         }
  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 }