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/*
test_tio.c - simple test for the tio module
This file is part of the nss-ldapd library.
Copyright (C) 2007 Arthur de Jong
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <pthread.h>
#include <stdint.h>
#include <stdlib.h>
#include "common/tio.h"
/* structure for passing arguments to helper (is a thread) */
struct helper_args {
int fd;
size_t blocksize;
size_t blocks;
int timeout;
};
static void *help_tiowriter(void *arg)
{
TFILE *fp;
struct timeval timeout;
size_t i,j,k;
uint8_t *buf;
struct helper_args *hargs=(struct helper_args *)arg;
/* allocate the buffer */
buf=(uint8_t *)malloc(hargs->blocksize);
assert(buf!=NULL);
/* set the timeout */
timeout.tv_sec=hargs->timeout;
timeout.tv_usec=0;
/* open the file */
fp = tio_fdopen(hargs->fd,&timeout,&timeout);
assert(fp!=NULL);
/* write the blocks */
i=0;
for (k=0;k<hargs->blocks;k++)
{
/* fill the buffer */
for (j=0;j<hargs->blocksize;j++)
buf[j]=i++;
assert(tio_write(fp,buf,hargs->blocksize)==0);
}
/* close the file flushing the buffer */
assert(tio_close(fp)==0);
/* we're done */
free(buf);
return NULL;
}
static void *help_tioreader(void *arg)
{
TFILE *fp;
struct timeval timeout;
size_t i,j,k;
uint8_t *buf;
struct helper_args *hargs=(struct helper_args *)arg;
/* allocate the buffer */
buf=(uint8_t *)malloc(hargs->blocksize);
assert(buf!=NULL);
/* set the timeout */
timeout.tv_sec=hargs->timeout;
timeout.tv_usec=0;
/* open the file */
fp = tio_fdopen(hargs->fd,&timeout,&timeout);
assert(fp!=NULL);
/* read the blocks */
i=0;
for (k=0;k<hargs->blocks;k++)
{
assert(tio_read(fp,buf,hargs->blocksize)==0);
/* check the buffer */
for (j=0;j<hargs->blocksize;j++)
assert(buf[j]==(uint8_t)(i++));
}
/* close the file */
assert(tio_close(fp)==0);
/* we're done */
free(buf);
return NULL;
}
static void *help_normwriter(void *arg)
{
FILE *fp;
size_t i,j,k;
uint8_t *buf;
struct helper_args *hargs=(struct helper_args *)arg;
/* allocate the buffer */
buf=(uint8_t *)malloc(hargs->blocksize);
assert(buf!=NULL);
/* open the file */
fp = fdopen(hargs->fd,"wb");
assert(fp!=NULL);
/* write the blocks */
i=0;
for (k=0;k<hargs->blocks;k++)
{
/* fill the buffer */
for (j=0;j<hargs->blocksize;j++)
buf[j]=i++;
assert(fwrite(buf,hargs->blocksize,1,fp)==1);
}
/* close the file flushing the buffer */
assert(fclose(fp)==0);
/* we're done */
free(buf);
return NULL;
}
static void *help_normreader(void *arg)
{
FILE *fp;
size_t i,j,k;
struct helper_args *hargs=(struct helper_args *)arg;
/* open the file */
fp = fdopen(hargs->fd,"rb");
assert(fp!=NULL);
/* read the blocks */
i=0;
for (k=0;k<hargs->blocks;k++)
{
/* check the buffer */
for (j=0;j<hargs->blocksize;j++)
assert(fgetc(fp)==(uint8_t)(i++));
}
/* close the file */
assert(fclose(fp)==0);
return NULL;
}
/*
TODO: test timeout
TODO: test whether a simple request/response works
*/
static int test_blocks(size_t wbs, size_t wbl, size_t rbs, size_t rbl)
{
int sp[2];
pthread_t wthread, rthread;
struct helper_args wargs,rargs;
/* set up the socket pair */
assert(socketpair(AF_UNIX,SOCK_STREAM,0,sp)==0);
/* log */
printf("writing %d blocks of %d bytes (%d total)\n",wbl,wbs,wbl*wbs);
printf("reading %d blocks of %d bytes (%d total)\n",rbl,rbs,rbl*rbs);
/* start the writer thread */
wargs.fd=sp[0];
wargs.blocksize=wbs;
wargs.blocks=wbl;
wargs.timeout=2;
assert(pthread_create(&wthread,NULL,help_tiowriter,&wargs)==0);
/* sleep(1); */
/* start the reader thread */
rargs.fd=sp[1];
rargs.blocksize=rbs;
rargs.blocks=rbl;
rargs.timeout=2;
assert(pthread_create(&rthread,NULL,help_tioreader,&rargs)==0);
/* wait for all threads to die */
assert(pthread_join(wthread,NULL)==0);
assert(pthread_join(rthread,NULL)==0);
/* we're done */
return 0;
}
/* the main program... */
int main(int UNUSED(argc),char UNUSED(*argv[]))
{
/* normal read-writes */
test_blocks(400,11,11,400);
test_blocks(4*1024,11,4*11,1024);
test_blocks(5*1023,20,20*1023,5);
/* reader closes file sooner */
/* test_blocks(2*6*1023,20,20*1023,5); */
/* test_blocks(10,10,10,9); */
/* writer closes file sooner */
/* test_blocks(4*1023,20,20*1023,5); */
/* test_blocks(10,9,10,10); */
return 0;
}
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