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/*
*
* Copyright 2014, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#define _POSIX_SOURCE
#include <unistd.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <grpc/support/alloc.h>
#include <grpc/support/host_port.h>
#include <grpc/support/log.h>
#include <grpc/support/string.h>
#include "test/core/util/ipv6.h"
#include "test/core/util/port.h"
int test_client(const char *root, const char *host, int port) {
char *args[3];
int status;
pid_t cli;
cli = fork();
if (cli == 0) {
gpr_asprintf(&args[0], "%s/echo_client", root);
gpr_join_host_port(&args[1], host, port);
args[2] = 0;
execv(args[0], args);
gpr_free(args[0]);
gpr_free(args[1]);
return 1;
}
/* wait for client */
gpr_log(GPR_INFO, "Waiting for client: %s", host);
if (waitpid(cli, &status, 0) == -1) return 2;
if (!WIFEXITED(status)) return 4;
if (WEXITSTATUS(status)) return WEXITSTATUS(status);
return 0;
}
int main(int argc, char **argv) {
char *me = argv[0];
char *lslash = strrchr(me, '/');
char root[1024];
int port = grpc_pick_unused_port_or_die();
char *args[3];
int status;
pid_t svr;
int ret;
int do_ipv6 = 1;
if (!grpc_ipv6_loopback_available()) {
gpr_log(GPR_INFO, "Can't bind to ::1. Skipping IPv6 tests.");
do_ipv6 = 0;
}
/* figure out where we are */
if (lslash) {
memcpy(root, me, lslash - me);
root[lslash - me] = 0;
} else {
strcpy(root, ".");
}
/* start the server */
svr = fork();
if (svr == 0) {
gpr_asprintf(&args[0], "%s/echo_server", root);
gpr_join_host_port(&args[1], "::", port);
args[2] = 0;
execv(args[0], args);
gpr_free(args[0]);
gpr_free(args[1]);
return 1;
}
/* wait a little */
sleep(2);
/* start the clients */
ret = test_client(root, "127.0.0.1", port);
if (ret != 0) return ret;
ret = test_client(root, "::ffff:127.0.0.1", port);
if (ret != 0) return ret;
ret = test_client(root, "localhost", port);
if (ret != 0) return ret;
if (do_ipv6) {
ret = test_client(root, "::1", port);
if (ret != 0) return ret;
}
/* wait for server */
gpr_log(GPR_INFO, "Waiting for server");
kill(svr, SIGINT);
if (waitpid(svr, &status, 0) == -1) return 2;
if (!WIFEXITED(status)) return 4;
if (WEXITSTATUS(status)) return WEXITSTATUS(status);
return 0;
}
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