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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 __sock_test_h__
#define __sock_test_h__
#include <netdb.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#define SOCK_TEST_TOKEN_HELP "#H"
#define SOCK_TEST_TOKEN_EXIT "#X"
#define SOCK_TEST_TOKEN_VERBOSE "#V"
#define SOCK_TEST_TOKEN_TXBUF_SIZE "#T:"
#define SOCK_TEST_TOKEN_NUM_TEST_SCKTS "#I:"
#define SOCK_TEST_TOKEN_NUM_WRITES "#N:"
#define SOCK_TEST_TOKEN_RXBUF_SIZE "#R:"
#define SOCK_TEST_TOKEN_SHOW_CFG "#C"
#define SOCK_TEST_TOKEN_RUN_UNI "#U"
#define SOCK_TEST_TOKEN_RUN_BI "#B"
#define SOCK_TEST_BANNER_STRING \
"============================================\n"
#define SOCK_TEST_SEPARATOR_STRING \
" -----------------------------\n"
#define ONE_GIG (1024*1024*1024)
#define SOCK_TEST_SERVER_PORT 22000
#define SOCK_TEST_LOCALHOST_IPADDR "127.0.0.1"
#define SOCK_TEST_CFG_CTRL_MAGIC 0xfeedface
#define SOCK_TEST_CFG_NUM_WRITES_DEF 1000000
#define SOCK_TEST_CFG_TXBUF_SIZE_DEF 8192
#define SOCK_TEST_CFG_RXBUF_SIZE_DEF (64*SOCK_TEST_CFG_TXBUF_SIZE_DEF)
#define SOCK_TEST_CFG_BUF_SIZE_MIN 128
#define SOCK_TEST_CFG_MAX_TEST_SCKTS 5
typedef enum
{
SOCK_TEST_TYPE_NONE,
SOCK_TEST_TYPE_ECHO,
SOCK_TEST_TYPE_UNI,
SOCK_TEST_TYPE_BI,
SOCK_TEST_TYPE_EXIT,
} sock_test_t;
typedef struct __attribute__ ((packed))
{
uint32_t magic;
uint32_t test;
uint32_t ctrl_handle;
uint32_t num_test_sockets;
uint32_t verbose;
uint64_t rxbuf_size;
uint64_t txbuf_size;
uint64_t num_writes;
uint64_t total_bytes;
} sock_test_cfg_t;
typedef struct
{
uint64_t rx_xacts;
uint64_t rx_bytes;
uint32_t rx_eagain;
uint32_t rx_incomp;
uint64_t tx_xacts;
uint64_t tx_bytes;
uint32_t tx_eagain;
uint32_t tx_incomp;
struct timespec start;
struct timespec stop;
} sock_test_stats_t;
typedef struct
{
int fd;
uint32_t txbuf_size;
char *txbuf;
uint32_t rxbuf_size;
char *rxbuf;
sock_test_cfg_t cfg;
sock_test_stats_t stats;
} sock_test_socket_t;
static inline void
sock_test_stats_accumulate (sock_test_stats_t * accum,
sock_test_stats_t * incr)
{
accum->rx_xacts += incr->rx_xacts;
accum->rx_bytes += incr->rx_bytes;
accum->rx_eagain += incr->rx_eagain;
accum->rx_incomp += incr->rx_incomp;
accum->tx_xacts += incr->tx_xacts;
accum->tx_bytes += incr->tx_bytes;
accum->tx_eagain += incr->tx_eagain;
accum->tx_incomp += incr->tx_incomp;
}
static inline void
sock_test_cfg_init (sock_test_cfg_t *cfg)
{
cfg->magic = SOCK_TEST_CFG_CTRL_MAGIC;
cfg->test = SOCK_TEST_TYPE_NONE;
cfg->ctrl_handle = ~0;
cfg->num_test_sockets = 1;
cfg->verbose = 0;
cfg->rxbuf_size = SOCK_TEST_CFG_RXBUF_SIZE_DEF;
cfg->num_writes = SOCK_TEST_CFG_NUM_WRITES_DEF;
cfg->txbuf_size = SOCK_TEST_CFG_TXBUF_SIZE_DEF;
cfg->total_bytes = cfg->num_writes * cfg->txbuf_size;
}
static inline int
sock_test_cfg_verify (sock_test_cfg_t *cfg, sock_test_cfg_t *valid_cfg)
{
/* Note: txbuf & rxbuf on server are the same buffer,
* so txbuf_size is not included in this check.
*/
return ((cfg->magic == valid_cfg->magic)
&& (cfg->test == valid_cfg->test)
&& (cfg->verbose == valid_cfg->verbose)
&& (cfg->rxbuf_size == valid_cfg->rxbuf_size)
&& (cfg->num_writes == valid_cfg->num_writes)
&& (cfg->total_bytes == valid_cfg->total_bytes));
}
static inline void
sock_test_buf_alloc (sock_test_cfg_t *cfg, uint8_t is_rxbuf, uint8_t **buf,
uint32_t *bufsize)
{
uint32_t alloc_size = is_rxbuf ? cfg->rxbuf_size : cfg->txbuf_size;
uint8_t *lb = realloc (*buf, (size_t) alloc_size);
if (lb)
{
if (is_rxbuf)
cfg->rxbuf_size = *bufsize = alloc_size;
else
cfg->txbuf_size = *bufsize = alloc_size;
*buf = lb;
}
else
{
int errno_val = errno;
perror ("ERROR in sock_test_buf_alloc()");
fprintf (stderr, "ERROR: Buffer allocation failed (errno = %d)!\n"
" Using buffer size %d instead of desired"
" size (%d)\n", errno_val, *bufsize, alloc_size);
}
}
static inline void
sock_test_socket_buf_alloc (sock_test_socket_t *socket)
{
socket->rxbuf_size = socket->cfg.rxbuf_size;
socket->txbuf_size = socket->cfg.txbuf_size;
sock_test_buf_alloc (&socket->cfg, 0 /* is_rxbuf */ ,
(uint8_t **) &socket->txbuf, &socket->txbuf_size);
sock_test_buf_alloc (&socket->cfg, 1 /* is_rxbuf */ ,
(uint8_t **) &socket->rxbuf, &socket->rxbuf_size);
}
static inline char *
sock_test_type_str (sock_test_t t)
{
switch (t)
{
case SOCK_TEST_TYPE_NONE:
return "NONE";
case SOCK_TEST_TYPE_ECHO:
return "ECHO";
case SOCK_TEST_TYPE_UNI:
return "UNI";
case SOCK_TEST_TYPE_BI:
return "BI";
case SOCK_TEST_TYPE_EXIT:
return "EXIT";
default:
return "Unknown";
}
}
static inline void
sock_test_cfg_dump (sock_test_cfg_t * cfg, uint8_t is_client)
{
char *spc = " ";
printf (" test config (%p):\n"
SOCK_TEST_SEPARATOR_STRING
" magic: 0x%08x\n"
"%-5s test: %s (%d)\n"
" ctrl handle: %d (0x%x)\n"
"%-5s num test sockets: %u (0x%08x)\n"
"%-5s verbose: %s (%d)\n"
"%-5s rxbuf size: %lu (0x%08lx)\n"
"%-5s txbuf size: %lu (0x%08lx)\n"
"%-5s num writes: %lu (0x%08lx)\n"
" client tx bytes: %lu (0x%08lx)\n"
SOCK_TEST_SEPARATOR_STRING,
(void *) cfg, cfg->magic,
is_client && (cfg->test == SOCK_TEST_TYPE_UNI) ?
"'"SOCK_TEST_TOKEN_RUN_UNI"'" :
is_client && (cfg->test == SOCK_TEST_TYPE_BI) ?
"'"SOCK_TEST_TOKEN_RUN_BI"'" : spc,
sock_test_type_str (cfg->test), cfg->test,
cfg->ctrl_handle, cfg->ctrl_handle,
is_client ? "'"SOCK_TEST_TOKEN_NUM_TEST_SCKTS"'" : spc,
cfg->num_test_sockets, cfg->num_test_sockets,
is_client ? "'"SOCK_TEST_TOKEN_VERBOSE"'" : spc,
cfg->verbose ? "on" : "off", cfg->verbose,
is_client ? "'"SOCK_TEST_TOKEN_RXBUF_SIZE"'" : spc,
cfg->rxbuf_size, cfg->rxbuf_size,
is_client ? "'"SOCK_TEST_TOKEN_TXBUF_SIZE"'" : spc,
cfg->txbuf_size, cfg->txbuf_size,
is_client ? "'"SOCK_TEST_TOKEN_NUM_WRITES"'" : spc,
cfg->num_writes, cfg->num_writes,
cfg->total_bytes, cfg->total_bytes);
}
static inline void
sock_test_stats_dump (char * header, sock_test_stats_t * stats,
uint8_t show_rx, uint8_t show_tx,
uint8_t verbose)
{
struct timespec diff;
double duration, rate;
uint64_t total_bytes;
if ((stats->stop.tv_nsec - stats->start.tv_nsec) < 0)
{
diff.tv_sec = stats->stop.tv_sec - stats->start.tv_sec - 1;
diff.tv_nsec = stats->stop.tv_nsec - stats->start.tv_nsec + 1000000000;
}
else
{
diff.tv_sec = stats->stop.tv_sec - stats->start.tv_sec;
diff.tv_nsec = stats->stop.tv_nsec - stats->start.tv_nsec;
}
duration = (double) diff.tv_sec + (1e-9 * diff.tv_nsec);
total_bytes = stats->tx_bytes + stats->rx_bytes;
rate = (double) total_bytes * 8 / duration / ONE_GIG;
printf ("\n%s: Streamed %lu bytes\n"
" in %lf seconds (%lf Gbps %s-duplex)!\n",
header, total_bytes, duration, rate,
(show_rx && show_tx) ? "full" : "half");
if (show_tx)
{
printf (SOCK_TEST_SEPARATOR_STRING
" tx stats (0x%p):\n"
SOCK_TEST_SEPARATOR_STRING
" writes: %lu (0x%08lx)\n"
" tx bytes: %lu (0x%08lx)\n"
" tx eagain: %u (0x%08x)\n"
" tx incomplete: %u (0x%08x)\n",
(void *)stats, stats->tx_xacts, stats->tx_xacts,
stats->tx_bytes, stats->tx_bytes,
stats->tx_eagain, stats->tx_eagain,
stats->tx_incomp, stats->tx_incomp);
}
if (show_rx)
{
printf (SOCK_TEST_SEPARATOR_STRING
" rx stats (0x%p):\n"
SOCK_TEST_SEPARATOR_STRING
" reads: %lu (0x%08lx)\n"
" rx bytes: %lu (0x%08lx)\n"
" rx eagain: %u (0x%08x)\n"
" rx incomplete: %u (0x%08x)\n",
(void *)stats, stats->rx_xacts, stats->rx_xacts,
stats->rx_bytes, stats->rx_bytes,
stats->rx_eagain, stats->rx_eagain,
stats->rx_incomp, stats->rx_incomp);
}
if (verbose)
printf (" start.tv_sec: %ld\n"
" start.tv_nsec: %ld\n"
" stop.tv_sec: %ld\n"
" stop.tv_nsec: %ld\n",
stats->start.tv_sec, stats->start.tv_nsec,
stats->stop.tv_sec, stats->stop.tv_nsec);
printf (SOCK_TEST_SEPARATOR_STRING);
}
static inline int
sock_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++;
#ifdef VCL_TEST
rx_bytes = vppcom_session_read (fd, buf, nbytes);
if (rx_bytes < 0)
{
errno = -rx_bytes;
rx_bytes = -1;
}
#else
rx_bytes = read (fd, buf, nbytes);
#endif
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, "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
sock_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++;
#ifdef VCL_TEST
rv = vppcom_session_write (fd, buf, nbytes_left);
if (rv < 0)
{
errno = -rv;
rv = -1;
}
#else
rv = write (fd, buf, nbytes_left);
#endif
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 ("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, "ERROR: socket write failed (errno = %d)!\n",
errno_val);
}
else if (stats)
stats->tx_bytes += tx_bytes;
return (tx_bytes);
}
#endif /* __sock_test_h__ */