Initial checkin of gRPC to third_party/

third_party/grpc/test/cpp/interop/interop_test.cc

+/*
+ *
+ * Copyright 2015, 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.
+ *
+ */
+
+#ifndef _POSIX_SOURCE
+#define _POSIX_SOURCE
+#endif
+
+#include <unistd.h>
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <signal.h>
+#include <stdlib.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_util.h>
+#include "test/core/util/port.h"
+
+extern "C" {
+#include "src/core/iomgr/socket_utils_posix.h"
+#include "src/core/support/string.h"
+}
+
+int test_client(const char* root, const char* host, int port) {
+  int status;
+  pid_t cli;
+  cli = fork();
+  if (cli == 0) {
+    char* binary_path;
+    char* port_arg;
+    gpr_asprintf(&binary_path, "%s/interop_client", root);
+    gpr_asprintf(&port_arg, "--server_port=%d", port);
+
+    execl(binary_path, binary_path, port_arg, NULL);
+
+    gpr_free(binary_path);
+    gpr_free(port_arg);
+    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();
+  int status;
+  pid_t svr;
+  int ret;
+  int do_ipv6 = 1;
+  /* seed rng with pid, so we don't end up with the same random numbers as a
+     concurrently running test binary */
+  srand(getpid());
+  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) {
+    char* binary_path;
+    char* port_arg;
+    gpr_asprintf(&binary_path, "%s/interop_server", root);
+    gpr_asprintf(&port_arg, "--port=%d", port);
+
+    execl(binary_path, binary_path, port_arg, NULL);
+
+    gpr_free(binary_path);
+    gpr_free(port_arg);
+    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;
+}