AppPkg/Applications/Sockets/GetNameInfo/GetNameInfo.c

   1 /** @file
   2   Test the getnameinfo 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 char mHostName[256];
  28 char mServiceName[256];
  29
  30 /**
  31   Test the getnameinfo API
  32
  33   @param [in] Argc  The number of arguments
  34   @param [in] Argv  The argument value array
  35
  36   @retval  0        The application exited normally.
  37   @retval  Other    An error occurred.
  38 **/
  39 int
  40 main (
  41   IN int Argc,
  42   IN char **Argv
  43   )
  44 {
  45   int AppStatus;
  46   struct addrinfo * pAddrInfo;
  47   char * pHostName;
  48   struct addrinfo * pInfo;
  49   char * pServerName;
  50
  51   //
  52   //  Determine if the host name is specified
  53   //
  54   AppStatus = 0;
  55   if ( 1 == Argc ) {
  56     printf ( "%s  <host address>  <server name>\r\n", Argv[0]);
  57   }
  58   else {
  59     //
  60     //  Translate the host name
  61     //
  62     pHostName = Argv[1];
  63     pServerName = NULL;
  64     if ( 2 < Argc ) {
  65       pServerName = Argv[2];
  66     }
  67     AppStatus = getaddrinfo ( pHostName,
  68                               pServerName,
  69                               NULL,
  70                               &pAddrInfo );
  71     if ( 0 != AppStatus ) {
  72       printf ( "ERROR - address info not found, errno: %d\r\n", AppStatus );
  73     }
  74     if ( NULL == pAddrInfo ) {
  75       printf ( "ERROR - No address info structure allocated\r\n" );
  76     }
  77     else {
  78       //
  79       //  Walk the list of names
  80       //
  81       pInfo = pAddrInfo;
  82       while ( NULL != pInfo ) {
  83         //
  84         //  Get the name info
  85         //
  86         AppStatus = getnameinfo ((struct sockaddr *)pInfo->ai_addr,
  87                                   pInfo->ai_addrlen,
  88                                   &mHostName[0],
  89                                   sizeof ( mHostName ),
  90                                   &mServiceName[0],
  91                                   sizeof ( mServiceName ),
  92                                   0 );
  93         if ( 0 != AppStatus ) {
  94           break;
  95         }
  96
  97         //
  98         //  Display this entry
  99         //
 100         printf ( "%s: HostName\r\n", mHostName[0]);
 101         printf ( "%s: Service Name\r\n", &mServiceName[0]);
 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 }