Line data    Source code

       1             : /*
       2             :  *
       3             :  * Copyright 2015, Google Inc.
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions are
       8             :  * met:
       9             :  *
      10             :  *     * Redistributions of source code must retain the above copyright
      11             :  * notice, this list of conditions and the following disclaimer.
      12             :  *     * Redistributions in binary form must reproduce the above
      13             :  * copyright notice, this list of conditions and the following disclaimer
      14             :  * in the documentation and/or other materials provided with the
      15             :  * distribution.
      16             :  *     * Neither the name of Google Inc. nor the names of its
      17             :  * contributors may be used to endorse or promote products derived from
      18             :  * this software without specific prior written permission.
      19             :  *
      20             :  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      21             :  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      22             :  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      23             :  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      24             :  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      25             :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      26             :  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      27             :  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      28             :  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      29             :  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      30             :  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      31             :  *
      32             :  */
      33             : 
      34             : #ifndef _POSIX_SOURCE
      35             : #define _POSIX_SOURCE
      36             : #endif
      37             : 
      38             : #include <unistd.h>
      39             : #include <assert.h>
      40             : #include <stdio.h>
      41             : #include <string.h>
      42             : #include <signal.h>
      43             : #include <stdlib.h>
      44             : #include <sys/types.h>
      45             : #include <sys/wait.h>
      46             : 
      47             : #include <grpc/support/alloc.h>
      48             : #include <grpc/support/host_port.h>
      49             : #include <grpc/support/log.h>
      50             : #include <grpc/support/string_util.h>
      51             : #include "test/core/util/port.h"
      52             : 
      53             : extern "C" {
      54             : #include "src/core/iomgr/socket_utils_posix.h"
      55             : #include "src/core/support/string.h"
      56             : }
      57             : 
      58           4 : int test_client(const char* root, const char* host, int port) {
      59             :   int status;
      60             :   pid_t cli;
      61           4 :   cli = fork();
      62           4 :   if (cli == 0) {
      63             :     char* binary_path;
      64             :     char* port_arg;
      65           0 :     gpr_asprintf(&binary_path, "%s/interop_client", root);
      66           0 :     gpr_asprintf(&port_arg, "--server_port=%d", port);
      67             : 
      68           0 :     execl(binary_path, binary_path, port_arg, NULL);
      69             : 
      70           0 :     gpr_free(binary_path);
      71           0 :     gpr_free(port_arg);
      72           0 :     return 1;
      73             :   }
      74             :   /* wait for client */
      75           4 :   gpr_log(GPR_INFO, "Waiting for client: %s", host);
      76           4 :   if (waitpid(cli, &status, 0) == -1) return 2;
      77           4 :   if (!WIFEXITED(status)) return 4;
      78           4 :   if (WEXITSTATUS(status)) return WEXITSTATUS(status);
      79           4 :   return 0;
      80             : }
      81             : 
      82           1 : int main(int argc, char** argv) {
      83           1 :   char* me = argv[0];
      84           1 :   char* lslash = strrchr(me, '/');
      85             :   char root[1024];
      86           1 :   int port = grpc_pick_unused_port_or_die();
      87             :   int status;
      88             :   pid_t svr;
      89             :   int ret;
      90           1 :   int do_ipv6 = 1;
      91             :   /* seed rng with pid, so we don't end up with the same random numbers as a
      92             :      concurrently running test binary */
      93           1 :   srand(getpid());
      94           1 :   if (!grpc_ipv6_loopback_available()) {
      95           0 :     gpr_log(GPR_INFO, "Can't bind to ::1.  Skipping IPv6 tests.");
      96           0 :     do_ipv6 = 0;
      97             :   }
      98             :   /* figure out where we are */
      99           1 :   if (lslash) {
     100           1 :     memcpy(root, me, lslash - me);
     101           1 :     root[lslash - me] = 0;
     102             :   } else {
     103           0 :     strcpy(root, ".");
     104             :   }
     105             :   /* start the server */
     106           1 :   svr = fork();
     107           1 :   if (svr == 0) {
     108             :     char* binary_path;
     109             :     char* port_arg;
     110           0 :     gpr_asprintf(&binary_path, "%s/interop_server", root);
     111           0 :     gpr_asprintf(&port_arg, "--port=%d", port);
     112             : 
     113           0 :     execl(binary_path, binary_path, port_arg, NULL);
     114             : 
     115           0 :     gpr_free(binary_path);
     116           0 :     gpr_free(port_arg);
     117           0 :     return 1;
     118             :   }
     119             :   /* wait a little */
     120           1 :   sleep(2);
     121             :   /* start the clients */
     122           1 :   ret = test_client(root, "127.0.0.1", port);
     123           1 :   if (ret != 0) return ret;
     124           1 :   ret = test_client(root, "::ffff:127.0.0.1", port);
     125           1 :   if (ret != 0) return ret;
     126           1 :   ret = test_client(root, "localhost", port);
     127           1 :   if (ret != 0) return ret;
     128           1 :   if (do_ipv6) {
     129           1 :     ret = test_client(root, "::1", port);
     130           1 :     if (ret != 0) return ret;
     131             :   }
     132             :   /* wait for server */
     133           1 :   gpr_log(GPR_INFO, "Waiting for server");
     134           1 :   kill(svr, SIGINT);
     135           1 :   if (waitpid(svr, &status, 0) == -1) return 2;
     136           1 :   if (!WIFEXITED(status)) return 4;
     137           1 :   if (WEXITSTATUS(status)) return WEXITSTATUS(status);
     138           1 :   return 0;
     139             : }