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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __vcl_test_h__
#define __vcl_test_h__
#include <netdb.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <vcl/vppcom.h>
#include <vcl/sock_test_common.h>
static inline int
vcl_test_read (int fd, uint8_t *buf, uint32_t nbytes,
sock_test_stats_t *stats)
{
int rx_bytes, errno_val;
do
{
if (stats)
stats->rx_xacts++;
rx_bytes = vppcom_session_read (fd, buf, nbytes);
if (rx_bytes < 0)
{
errno = -rx_bytes;
rx_bytes = -1;
}
if (stats)
{
if ((rx_bytes == 0) ||
((rx_bytes < 0) && ((errno == EAGAIN) || (errno == EWOULDBLOCK))))
stats->rx_eagain++;
else if (rx_bytes < nbytes)
stats->rx_incomp++;
}
}
while ((rx_bytes == 0) ||
((rx_bytes < 0) && ((errno == EAGAIN) || (errno == EWOULDBLOCK))));
if (rx_bytes < 0)
{
errno_val = errno;
perror ("ERROR in sock_test_read()");
fprintf (stderr, "SOCK_TEST: ERROR: socket read "
"failed (errno = %d)!\n", errno_val);
errno = errno_val;
}
else if (stats)
stats->rx_bytes += rx_bytes;
return (rx_bytes);
}
static inline int
vcl_test_write (int fd, uint8_t *buf, uint32_t nbytes,
sock_test_stats_t *stats, uint32_t verbose)
{
int tx_bytes = 0;
int nbytes_left = nbytes;
int rv, errno_val;
do
{
if (stats)
stats->tx_xacts++;
rv = vppcom_session_write (fd, buf, nbytes_left);
if (rv < 0)
{
errno = -rv;
rv = -1;
}
if (rv < 0)
{
if ((errno == EAGAIN) || (errno == EWOULDBLOCK))
{
if (stats)
stats->tx_eagain++;
continue;
}
else
break;
}
tx_bytes += rv;
if (tx_bytes != nbytes)
{
nbytes_left = nbytes_left - rv;
if (stats)
stats->tx_incomp++;
if (verbose)
{
printf ("SOCK_TEST: WARNING: bytes written (%d) "
"!= bytes to write (%d)!\n", tx_bytes, nbytes);
}
}
} while (tx_bytes != nbytes);
if (tx_bytes < 0)
{
errno_val = errno;
perror ("ERROR in sock_test_write()");
fprintf (stderr, "SOCK_TEST: ERROR: socket write failed "
"(errno = %d)!\n", errno_val);
}
else if (stats)
stats->tx_bytes += tx_bytes;
return (tx_bytes);
}
#endif /* __vcl_test_h__ */
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