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//==========================================================================

//

//      tests/dns2.c

//

//      Simple test of DNS client support. This time use DHCP

//

//==========================================================================

//####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

//

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// the terms of the GNU General Public License as published by the Free

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//

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// or inline functions from this file, or you compile this file and link it

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//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    andrew.lunn

// Contributors: andrew.lunn, jskov

// Date:         2001-12-03

// Purpose:      

// Description:  Test DNS functions. Use the server and domain name the

//               DHCP server told us.

//              

//####DESCRIPTIONEND####

//

//==========================================================================

#include <network.h>

#include <netdb.h>

#include <arpa/inet.h>

#include <cyg/infra/testcase.h>

#ifdef CYGPKG_NET_DHCP

#define STACK_SIZE (CYGNUM_HAL_STACK_SIZE_TYPICAL + 0x1000)

static char stack[STACK_SIZE];

static cyg_thread thread_data;

static cyg_handle_t thread_handle;

#define __string(_x) #_x

#define __xstring(_x) __string(_x)

#define USE_HARDCODED_DOMAIN 1

// Change the following if you aren't using BOOTP! It's almost certainly not right for you.

#define _DNS_IP            __xstring(172.16.1.254) // test farm host addr

#define _LOOKUP_FQDN       __xstring(b.root-servers.net.) // should stay the same?

#define _LOOKUP_DOMAINNAME __xstring(root-servers.net.)

#define _LOOKUP_HOSTNAME   __xstring(b)

#define _LOOKUP_IP         __xstring(128.9.0.107) // must be same as _LOOKUP_FQDN

#define _LOOKUP_IP_BAD     __xstring(10.0.0.0)

void

dns_test(cyg_addrword_t p)

{

    struct in_addr addr;

    struct hostent *hent;

    char dn[256];

    CYG_TEST_INIT();

    init_all_network_interfaces();

    CYG_TEST_INFO("Starting dns2 test");

    getdomainname(dn,sizeof(dn));

    diag_printf("INFO:<DHCP said domain name is %s>\n",dn);

#ifndef USE_HARDCODED_DOMAIN

    // If not hard-coded we can't tell what it's _meant_ to be

    CYG_TEST_CHECK(!strncmp(dn,_LOOKUP_DOMAINNAME,sizeof(_LOOKUP_DOMAINNAME)),

                   "DHCP got the wrong domainname");

#endif //ifdef _LOOKUP_DOMAINNAME

    /* Expect _LOOKUP_IP as the answer. This is a CNAME lookup */

    inet_aton(_LOOKUP_IP, &addr);

    hent = gethostbyname(_LOOKUP_FQDN);

    if (hent != NULL) {

        diag_printf("PASS:<%s is %s>\n", hent->h_name, inet_ntoa(*(struct in_addr *)hent->h_addr));

        if (0 != memcmp((void*)&addr, (void*)(hent->h_addr), sizeof(struct in_addr))) {

          diag_printf("FAIL:<expected " _LOOKUP_FQDN " to be " _LOOKUP_IP ">\n");

        }

    } else {

        diag_printf("FAIL:<Asked for " _LOOKUP_FQDN ". No answer: %s>\n", hstrerror(h_errno));

    }

    /* Now just the hostname */

#ifdef USE_HARDCODED_DOMAIN

    // set the domain by hand if required.

    setdomainname(_LOOKUP_DOMAINNAME, sizeof(_LOOKUP_DOMAINNAME));

#endif //ifdef _LOOKUP_DOMAINNAME

    hent = gethostbyname(_LOOKUP_HOSTNAME);

    if (hent != NULL) {

        diag_printf("PASS:<%s is %s>\n", _LOOKUP_HOSTNAME, inet_ntoa(*(struct in_addr *)hent->h_addr));

    } else {

        diag_printf("FAIL:<Asked for " _LOOKUP_HOSTNAME ". No answer: %s>\n", hstrerror(h_errno));

    }

    CYG_TEST_FINISH("dns2 test completed");

}

void

cyg_start(void)

{

    // Create a main thread, so we can run the scheduler and have time 'pass'

    cyg_thread_create(10,                // Priority - just a number

                      dns_test,          // entry

                      0,                 // entry parameter

                      "DNS test",        // Name

                      &stack[0],         // Stack

                      STACK_SIZE,        // Size

                      &thread_handle,    // Handle

                      &thread_data       // Thread data structure

            );

    cyg_thread_resume(thread_handle);  // Start it

    cyg_scheduler_start();

}

#else // CYGPKG_NET_DHCP

externC void

cyg_start( void )

{

    CYG_TEST_INIT();

    CYG_TEST_NA("This test needs DHCP enabled");

}

#endif