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/*
* Copyright (c) 1996 The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
*
* This file is part of Flick, the Flexible IDL Compiler Kit.
*
* Flick is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Flick is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Flick; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place #330, Boston, MA 02111, USA.
*/
#include "yfs.h"
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#ifndef RPCGEN
mom_ref_t client;
#define clnt_pcreateerror(x) {}
#else
#include <rpc/rpc.h>
CLIENT *client;
#endif
static init = 0;
args arg;
yfsres *res;
char *host;
unsigned YfsError;
Init()
{
struct timeval tv = { 5, 0 };
char *prot = "udp";
init++;
if(!(host = getenv("YFSHOST"))) host = "localhost";
if(!(client=clnt_create(host, YFS_PROGRAM, YFS_VERSION, prot))) {
clnt_pcreateerror( host );
exit(-1);
}
#ifdef RPCGEN
clnt_control( client, CLSET_TIMEOUT, (char*)&tv);
#endif
}
HandleError()
{
#ifdef RPCGEN
struct rpc_err rpcerr;
clnt_geterr( client, &rpcerr );
switch(rpcerr.re_status) {
case RPC_TIMEDOUT:
fprintf(stderr,
"YFS server %s not responding, still trying...\n",
host);
break;
default:
clnt_perror( client, host );
exit(0);
}
#else
fprintf(stderr, "rpc failed, exiting\n");
exit(-1);
#endif
return 1;
}
#define template1( stubfunc, rpcfunc ) \
Handle stubfunc (char * name, Handle dir) \
{ \
if(!init) Init(); \
arg.name = name; \
arg.obj = dir; \
while(!(res = rpcfunc( &arg, client ))) \
HandleError(); \
YfsError = res->yfserror; \
return res->retcode; \
}
template1( Lookup, lookup_1 )
template1( CreateFile, createfile_1 )
template1( CreateDir, createdir_1 )
template1( Delete, delete_1 )
int CreateLink (char * linkname, Handle dir, Handle fh)
{
linkargs arg;
if(!init) Init();
arg.name = linkname;
arg.dir = dir;
arg.obj = fh;
while(!(res = createlink_1( &arg, client )))
HandleError();
YfsError = res->yfserror;
return res->retcode;
}
int Read (Handle file, int count, int offset, char * buffer)
{
readargs arg;
yfsreadres *res;
if(!init) Init();
arg.obj = file;
arg.offset = offset;
arg.count = count;
while(!(res = read_1( &arg, client )))
HandleError();
bcopy( res->data.data_val, buffer, res->data.data_len );
YfsError = res->yfserror;
return res->retcode;
}
int Write (Handle file, int count, int offset, char * buffer)
{
writeargs arg;
if(!init) Init();
arg.obj = file;
arg.offset = offset;
arg.data.data_len = count;
arg.data.data_val = buffer;
while(!(res = write_1( &arg, client )))
HandleError();
YfsError = res->yfserror;
return res->retcode;
}
#define template2( stubfunc, rpcfunc ) \
int stubfunc ( Handle file ) \
{ \
if(!init) Init(); \
while(!(res = rpcfunc( &file, client ))) \
HandleError(); \
YfsError = res->yfserror; \
return res->retcode; \
}
template2( Sync, sync_1 )
template2( Stamp, stamp_1 )
template2( Stat, stat_1 )
#define template3( stubfunc, rpcfunc ) \
int stubfunc ( ) \
{ \
if(!init) Init(); \
while(!(res = rpcfunc( 0, client ))) \
HandleError(); \
YfsError = res->yfserror; \
return res->retcode; \
}
template3( SyncDisk, syncdisk_1 )
template3( Shutdown, shutdown_1 )
#if 0
yfsdirlist *ReadDirectory( char *name )
{
static yfsreaddirres *res;
if(!init) Init();
while(!(res = readdir_1( &name, client )))
HandleError();
if((YfsError = res->yfserror) == 0)
return &(res->yfsreaddirres_u.list);
else
return 0;
}
#endif
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