AutoXDR - NFSv4 Test Example

This is a brief example extracted from a prototype implementation for NFSv4. This is hand crafted code showing how one might write code to test out the generated interfaces.

#include <stdio.h>
#include "nfsv4.h"
#include "nfsv4-clhdr.h"
int command_was_sent = 0;
void
finish_access4(
 void* user_cookie,
 nfs4_compound_res* p_cp_res,
 nfs4_status final_status,
 uint32_t requested /* in */,
 ACCESS4res* p_res /* out */ )
{
 fputs( "finish_access4 called\n", stderr );
 if (command_was_sent == 0) {
 fputs( "command completed out of sequence\n", stderr );
 exit( 1 );
 }
 if (p_res == NULL) {
 /* no deallocations to do */
 return;
 }
 if (p_res->status != NFS4_STATUS_OK) {
 fputs( "I could not access what I wanted >:-(\n", stderr );
 return;
 }
 if ( (requested != p_res->ACCESS4res_u.resok4.supported)
 || (requested != p_res->ACCESS4res_u.resok4.access)) {
 fputs( "I did not get the access I wanted >:-(\n", stderr );
 return;
 }
 command_was_sent--;
}
nfs4_status
nfs4_access4_svc(
 nfs4_compound_args* p_cpd_args,
 ACCESS4res* p_res,
 ACCESS4args* p_args )
{
 uint32_t req = p_args->requested;
 if (req == 0)
 req = ~0;
 if (p_res != NULL)
 p_res->ACCESS4res_u.resok4.access =
 p_res->ACCESS4res_u.resok4.supported = p_args->requested;
 fputs( "nfs4_access4_svc called\n", stderr );
 return NFS4_STATUS_OK;
}
int
main( int argc,
 char** argv )
{
 int res = 0;
 t_nfs_cookie nfs_cookie;
 static utf8string tag = { sizeof( "mytag" ), "mytag" };
 int fail_test = 0;
 if (argc > 1)
 fail_test = atoi( argv[1] );
 fprintf( stderr, "Hello, NFS world!\n" );
 if (nfs4_null_4( NULL, NULL ) == (void*)NULL) {
 fprintf( stderr, "nfs4_null_4 failed\n" );
 res++;
 }
 if (--fail_test == 0) {
 fputs( "We are about to die horribly. Expect it.\n", stderr );
 do_nfs4_access4( nfs_cookie, finish_access4, ACCESS4_LOOKUP );
 fputs( "WORSE YET!! We did *not* die :-(\n", stderr );
 }
 if (init_nfs4_compound( &nfs_cookie, &tag, NULL ) != RPC_SUCCESS) {
 fprintf( stderr, "init_nfs4_compound failed\n" );
 res++;
 }
 {
 uint32_t mode = ACCESS4_EXECUTE << 1;
 int cmd_ct = 0;
 do {
 mode >>= 1;
 if (do_nfs4_access4( nfs_cookie, finish_access4, mode ) != 0) {
 fprintf( stderr, "do_nfs4_access4 for %d failed\n", mode );
 res++;
 }
 cmd_ct++;
 } while (mode != 0);
 command_was_sent = cmd_ct;
 }
 if (send_nfs4_compound( nfs_cookie, NULL ) != 0) {
 fprintf( stderr, "send_nfs4_compound failed\n" );
 res++;
 }
 if (--fail_test == 0) {
 fputs( "We are about to die horribly. Expect it.\n", stderr );
 do_nfs4_access4( nfs_cookie, finish_access4, ACCESS4_LOOKUP );
 fputs( "WORSE YET!! We did *not* die :-(\n", stderr );
 }
 if (command_was_sent)
 res++;
 if (res != 0)
 fprintf( stderr, "%d FAILURES\n", res );
 else
 fprintf( stderr, "SUCCESSFUL!\n" );
 return res;
}