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/*
* Copyright (c) 2009 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Steven Dake (sdake@redhat.com)
*
* libqb 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.
*
* libqb 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 libqb. If not, see <http://www.gnu.org/licenses/>.
*/
#include "os_base.h"
#include <signal.h>
#include <qb/qblog.h>
#include <qb/qbutil.h>
#include <qb/qbipcc.h>
#define ITERATIONS 10000
pid_t mypid;
int32_t blocking = QB_TRUE;
int32_t events = QB_FALSE;
int32_t verbose = 0;
static qb_ipcc_connection_t *conn;
#define MAX_MSG_SIZE (8192*128)
static qb_util_stopwatch_t *sw;
static void bm_finish(const char *operation, int32_t size)
{
float ops_per_sec;
float mbs_per_sec;
float elapsed;
qb_util_stopwatch_stop(sw);
elapsed = qb_util_stopwatch_sec_elapsed_get(sw);
ops_per_sec = ((float)ITERATIONS) / elapsed;
mbs_per_sec = ((((float)ITERATIONS) * size) / elapsed) / (1024.0 * 1024.0);
qb_log(LOG_INFO, "write size, %d, OPs/sec, %9.3f, MB/sec, %9.3f",
size, ops_per_sec, mbs_per_sec);
}
struct my_req {
struct qb_ipc_request_header hdr;
char message[1024 * 1024];
};
static struct my_req request;
static int32_t bmc_send_nozc(uint32_t size)
{
struct qb_ipc_response_header res_header;
int32_t res;
request.hdr.id = QB_IPC_MSG_USER_START + 3;
request.hdr.size = sizeof(struct qb_ipc_request_header) + size;
repeat_send:
res = qb_ipcc_send(conn, &request, request.hdr.size);
if (res < 0) {
if (res == -EAGAIN) {
goto repeat_send;
} else if (res == -EINVAL || res == -EINTR || res == -ENOTCONN) {
qb_perror(LOG_ERR, "qb_ipcc_send");
return -1;
} else {
errno = -res;
qb_perror(LOG_ERR, "qb_ipcc_send");
goto repeat_send;
}
}
if (blocking) {
res = qb_ipcc_recv(conn,
&res_header,
sizeof(struct qb_ipc_response_header), -1);
if (res == -EINTR) {
return -1;
}
if (res < 0) {
qb_perror(LOG_ERR, "qb_ipcc_recv");
}
assert(res == sizeof(struct qb_ipc_response_header));
assert(res_header.id == 13);
assert(res_header.size == sizeof(struct qb_ipc_response_header));
}
if (events) {
res = qb_ipcc_event_recv(conn,
&res_header,
sizeof(struct qb_ipc_response_header), -1);
if (res == -EINTR) {
return -1;
}
if (res < 0) {
qb_perror(LOG_ERR, "qb_ipcc_event_recv");
}
assert(res == sizeof(struct qb_ipc_response_header));
assert(res_header.id == 13);
assert(res_header.size == sizeof(struct qb_ipc_response_header));
}
return 0;
}
struct qb_ipc_request_header *global_zcb_buffer;
static void show_usage(const char *name)
{
qb_log(LOG_INFO, "usage: \n");
qb_log(LOG_INFO, "%s <options>\n", name);
qb_log(LOG_INFO, "\n");
qb_log(LOG_INFO, " options:\n");
qb_log(LOG_INFO, "\n");
qb_log(LOG_INFO, " -n non-blocking ipc (default blocking)\n");
qb_log(LOG_INFO, " -e receive events\n");
qb_log(LOG_INFO, " -v verbose\n");
qb_log(LOG_INFO, " -h show this help text\n");
qb_log(LOG_INFO, "\n");
}
static void sigterm_handler(int32_t num)
{
qb_log(LOG_INFO, "bmc: %s(%d)\n", __func__, num);
qb_ipcc_disconnect(conn);
exit(0);
}
int32_t
main(int32_t argc, char *argv[])
{
const char *options = "nevh";
int32_t opt;
int32_t i, j;
size_t size;
mypid = getpid();
qb_log_init("bmc", LOG_USER, LOG_EMERG);
qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_ENABLED, QB_FALSE);
qb_log_filter_ctl(QB_LOG_STDERR, QB_LOG_FILTER_ADD,
QB_LOG_FILTER_FILE, "*", LOG_INFO);
qb_log_ctl(QB_LOG_STDERR, QB_LOG_CONF_ENABLED, QB_TRUE);
while ((opt = getopt(argc, argv, options)) != -1) {
switch (opt) {
case 'n':
blocking = QB_FALSE;
break;
case 'e':
events = QB_TRUE;
break;
case 'v':
verbose++;
break;
case 'h':
default:
show_usage(argv[0]);
exit(0);
break;
}
}
signal(SIGINT, sigterm_handler);
signal(SIGILL, sigterm_handler);
signal(SIGTERM, sigterm_handler);
conn = qb_ipcc_connect("bm1", MAX_MSG_SIZE);
if (conn == NULL) {
qb_perror(LOG_ERR, "qb_ipcc_connect");
exit(1);
}
sw = qb_util_stopwatch_create();
size = QB_MAX(sizeof(struct qb_ipc_request_header), 64);
for (j = 0; j < 20; j++) {
if (size >= MAX_MSG_SIZE)
break;
qb_util_stopwatch_start(sw);
for (i = 0; i < ITERATIONS; i++) {
if (bmc_send_nozc(size) == -1) {
break;
}
}
bm_finish("send_nozc", size);
size *= 2;
}
qb_ipcc_disconnect(conn);
return EXIT_SUCCESS;
}
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