AppPkg/Applications/Sockets/GetAddrInfo/GetAddrInfo.c

   1 /** @file
   2   Test the getaddrinfo API
   3
   4   Copyright (c) 2011, Intel Corporation
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include <errno.h>
  16 #include <netdb.h>
  17 #include <string.h>
  18 #include <stdio.h>
  19 #include <Uefi.h>
  20 #include <unistd.h>
  21
  22 #include <netinet/in.h>
  23
  24 #include <sys/socket.h>
  25
  26 char mBuffer[65536];
  27
  28
  29 /**
  30   Test the getaddrinfo API
  31
  32   @param [in] Argc  The number of arguments
  33   @param [in] Argv  The argument value array
  34
  35   @retval  0        The application exited normally.
  36   @retval  Other    An error occurred.
  37 **/
  38 int
  39 main (
  40   IN int Argc,
  41   IN char **Argv
  42   )
  43 {
  44   int AppStatus;
  45   int Index;
  46   int MaxLen;
  47   struct addrinfo * pAddrInfo;
  48   char * pHostName;
  49   struct addrinfo * pInfo;
  50   char * pServerName;
  51
  52   //
  53   //  Determine if the host name is specified
  54   //
  55   AppStatus = 0;
  56   if ( 1 == Argc ) {
  57     printf ( "%s  <host name>  <server name>\r\n", Argv[0]);
  58   }
  59   else {
  60     //
  61     //  Translate the host name
  62     //
  63     pHostName = Argv[1];
  64     pServerName = NULL;
  65     if ( 2 < Argc ) {
  66       pServerName = Argv[2];
  67     }
  68     AppStatus = getaddrinfo ( pHostName,
  69                               pServerName,
  70                               NULL,
  71                               &pAddrInfo );
  72     if ( 0 != AppStatus ) {
  73       printf ( "ERROR - address info not found, errno: %d\r\n", AppStatus );
  74     }
  75     if ( NULL == pAddrInfo ) {
  76       printf ( "ERROR - No address info structure allocated\r\n" );
  77     }
  78     else {
  79       //
  80       //  Walk the list of addresses
  81       //
  82       pInfo = pAddrInfo;
  83       while ( NULL != pInfo ) {
  84         //
  85         //  Display this entry
  86         //
  87         printf ( "0x%08x: ai_flags\r\n", pInfo->ai_flags );
  88         printf ( "0x%08x: ai_family\r\n", pInfo->ai_family );
  89         printf ( "0x%08x: ai_socktype\r\n", pInfo->ai_socktype );
  90         printf ( "0x%08x: ai_protocol\r\n", pInfo->ai_protocol );
  91         printf ( "0x%08x: ai_addrlen\r\n", pInfo->ai_addrlen );
  92         printf ( "%s: ai_canonname\r\n", pInfo->ai_canonname );
  93         printf ( "      0x%02x: ai_addr->sa_len\r\n", (UINT8)pInfo->ai_addr->sa_len );
  94         printf ( "      0x%02x: ai_addr->sa_family\r\n", (UINT8)pInfo->ai_addr->sa_family );
  95         MaxLen = pInfo->ai_addr->sa_len;
  96         if ( sizeof ( struct sockaddr_in6 ) < MaxLen ) {
  97           MaxLen = sizeof ( struct sockaddr_in6 );
  98         }
  99         for ( Index = 0; ( MaxLen - 2 ) > Index; Index++ ) {
 100           printf ( "      0x%02x: ai_addr->sa_data[%02d]\r\n", (UINT8)pInfo->ai_addr->sa_data [ Index ], Index );
 101         }
 102
 103         //
 104         //  Set the next entry
 105         //
 106         pInfo = pInfo->ai_next;
 107       }
 108
 109       //
 110       //  Done with this structures
 111       //
 112       freeaddrinfo ( pAddrInfo );
 113     }
 114   }
 115
 116   //
 117   //  All done
 118   //
 119   return AppStatus;
 120 }