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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2001-2016. All Rights Reserved.
*
* 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.
*
* %CopyrightEnd%
*/
/* to test multiple threads in ei */
#include <stdlib.h>
#include <stdio.h>
#ifdef __WIN32__
#include <winsock2.h>
#include <windows.h>
#include <process.h>
#else
#ifndef VXWORKS
#include <pthread.h>
#endif
#include <sys/socket.h>
#endif
#include "ei.h"
#include "erl_interface.h"
#ifdef VXWORKS
#define MAIN cnode
#else
#define MAIN main
#endif
/*
A small einode.
To be called from the test case ei_accept_SUITE:multi_thread
usage: einode <cookie> <n> <destnode>
- start threads 0..n-1
- in each thread
- connect to destnode
- send a message ("ei0".."ei<n-1>") to mth0..mth<n-1> on destnode
- shutdown gracefully
*/
static const char* cookie, * desthost;
#ifndef SD_SEND
#ifdef SHUTWR
#define SD_SEND SHUT_WR
#else
#define SD_SEND 1
#endif
#endif
#ifndef __WIN32__
#define closesocket(fd) close(fd)
#endif
#ifdef __WIN32__
static DWORD WINAPI
#else
static void*
#endif
einode_thread(void* num)
{
int n = (int)num;
ei_cnode ec;
char myname[100], destname[100];
int r, fd;
sprintf(myname, "ei%d", n);
sprintf(destname, "mth%d", n);
printf("thread %d (%s %s) connecting\n", n, myname, destname);
r = ei_connect_init(&ec, myname, cookie, 0);
fd = ei_connect(&ec, (char*)desthost);
if (r == 0 && fd >= 0) {
ei_x_buff x;
ei_x_new_with_version(&x);
ei_x_encode_string(&x, myname);
ei_reg_send(&ec, fd, destname, x.buff, x.index);
ei_x_free(&x);
//SleepEx(100);
shutdown(fd, SD_SEND);
closesocket(fd);
} else {
printf("coudn't connect fd %d r %d\n", fd, r); // DebugBreak();
}
printf("done thread %d\n", n);
return 0;
}
MAIN(int argc, char *argv[])
{
int i, n, no_threads;
#ifndef VXWORKS
#ifdef __WIN32__
HANDLE threads[100];
#else
pthread_t threads[100];
#endif
#endif
if (argc < 3)
exit(1);
erl_init(NULL, 0);
cookie = argv[1];
n = atoi(argv[2]);
if (n > 100)
exit(2);
desthost = argv[3];
#ifndef VXWORKS
no_threads = argv[4] != NULL && strcmp(argv[4], "nothreads") == 0;
#else
no_threads = 1;
#endif
for (i = 0; i < n; ++i) {
if (!no_threads) {
#ifndef VXWORKS
#ifdef __WIN32__
unsigned tid;
threads[i] = (HANDLE)_beginthreadex(NULL, 0, einode_thread,
(void*)i, 0, &tid);
#else
pthread_create(&threads[i], NULL, einode_thread, (void*)i);
#endif
#else
;
#endif
} else
einode_thread((void*)i);
}
if (!no_threads)
#ifndef VXWORKS
for (i = 0; i < n; ++i) {
#ifdef __WIN32__
if (WaitForSingleObject(threads[i], INFINITE) != WAIT_OBJECT_0)
#else
if (pthread_join(threads[i], NULL) != 0)
#endif
printf("bad wait thread %d\n", i);
}
#else
;
#endif
printf("ok\n");
return 0;
}
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