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+/*
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+ *
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+ * Copyright 2015, Google Inc.
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+ * All rights reserved.
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+ *
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+ * Redistribution and use in source and binary forms, with or without
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+ * modification, are permitted provided that the following conditions are
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+ * met:
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+ *
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+ * * Redistributions of source code must retain the above copyright
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+ * notice, this list of conditions and the following disclaimer.
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+ * * Redistributions in binary form must reproduce the above
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+ * copyright notice, this list of conditions and the following disclaimer
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+ * in the documentation and/or other materials provided with the
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+ * distribution.
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+ * * Neither the name of Google Inc. nor the names of its
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+ * contributors may be used to endorse or promote products derived from
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+ * this software without specific prior written permission.
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+ *
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+ *
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+ */
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+
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+#ifndef _POSIX_SOURCE
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+#define _POSIX_SOURCE
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+#endif
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+
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+#include <unistd.h>
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+#include <assert.h>
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+#include <stdio.h>
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+#include <string.h>
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+#include <signal.h>
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+#include <stdlib.h>
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+#include <sys/types.h>
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+#include <sys/wait.h>
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+
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+#include "src/core/iomgr/socket_utils_posix.h"
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+#include "src/core/support/string.h"
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+#include <grpc/support/alloc.h>
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+#include <grpc/support/host_port.h>
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+#include <grpc/support/log.h>
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+#include "test/core/util/port.h"
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+
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+int test_client(const char *root, const char *host, int port) {
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+ int status;
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+ pid_t cli;
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+ cli = fork();
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+ if (cli == 0) {
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+ char *binary_path;
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+ char *port_arg;
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+ gpr_asprintf(&binary_path, "%s/interop_client", root);
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+ gpr_asprintf(&port_arg, "--server_port=%d", port);
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+
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+ execl(binary_path, binary_path, port_arg, NULL);
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+
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+ gpr_free(binary_path);
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+ gpr_free(port_arg);
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+ return 1;
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+ }
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+ /* wait for client */
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+ gpr_log(GPR_INFO, "Waiting for client: %s", host);
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+ if (waitpid(cli, &status, 0) == -1) return 2;
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+ if (!WIFEXITED(status)) return 4;
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+ if (WEXITSTATUS(status)) return WEXITSTATUS(status);
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+ return 0;
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+}
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+
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+int main(int argc, char **argv) {
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+ char *me = argv[0];
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+ char *lslash = strrchr(me, '/');
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+ char root[1024];
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+ int port = grpc_pick_unused_port_or_die();
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+ int status;
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+ pid_t svr;
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+ int ret;
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+ int do_ipv6 = 1;
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+ /* seed rng with pid, so we don't end up with the same random numbers as a
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+ concurrently running test binary */
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+ srand(getpid());
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+ if (!grpc_ipv6_loopback_available()) {
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+ gpr_log(GPR_INFO, "Can't bind to ::1. Skipping IPv6 tests.");
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+ do_ipv6 = 0;
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+ }
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+ /* figure out where we are */
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+ if (lslash) {
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+ memcpy(root, me, lslash - me);
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+ root[lslash - me] = 0;
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+ } else {
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+ strcpy(root, ".");
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+ }
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+ /* start the server */
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+ svr = fork();
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+ if (svr == 0) {
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+ char *binary_path;
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+ char *port_arg;
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+ gpr_asprintf(&binary_path, "%s/interop_server", root);
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+ gpr_asprintf(&port_arg, "--port=%d", port);
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+
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+ execl(binary_path, binary_path, port_arg, NULL);
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+
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+ gpr_free(binary_path);
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+ gpr_free(port_arg);
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+ return 1;
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+ }
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+ /* wait a little */
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+ sleep(2);
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+ /* start the clients */
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+ ret = test_client(root, "127.0.0.1", port);
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+ if (ret != 0) return ret;
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+ ret = test_client(root, "::ffff:127.0.0.1", port);
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+ if (ret != 0) return ret;
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+ ret = test_client(root, "localhost", port);
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+ if (ret != 0) return ret;
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+ if (do_ipv6) {
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+ ret = test_client(root, "::1", port);
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+ if (ret != 0) return ret;
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+ }
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+ /* wait for server */
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+ gpr_log(GPR_INFO, "Waiting for server");
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+ kill(svr, SIGINT);
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+ if (waitpid(svr, &status, 0) == -1) return 2;
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+ if (!WIFEXITED(status)) return 4;
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+ if (WEXITSTATUS(status)) return WEXITSTATUS(status);
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+ return 0;
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+}
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Craig Tiller