1 /* 2 * 3 * Copyright 2015 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #include <stdio.h> 20 #include <string.h> 21 22 #include <grpc/support/alloc.h> 23 #include <grpc/support/string_util.h> 24 25 #include "src/core/lib/gpr/host_port.h" 26 #include "src/core/lib/gpr/string.h" 27 #include "test/core/util/port.h" 28 #include "test/core/util/subprocess.h" 29 30 int main(int argc, const char** argv) { 31 const char* me = argv[0]; 32 const char* lslash = strrchr(me, '/'); 33 char root[1024]; 34 int port = grpc_pick_unused_port_or_die(); 35 char* args[10]; 36 int status; 37 gpr_subprocess *svr, *cli; 38 /* figure out where we are */ 39 if (lslash) { 40 memcpy(root, me, static_cast<size_t>(lslash - me)); 41 root[lslash - me] = 0; 42 } else { 43 strcpy(root, "."); 44 } 45 /* start the server */ 46 gpr_asprintf(&args[0], "%s/fling_server%s", root, 47 gpr_subprocess_binary_extension()); 48 args[1] = const_cast<char*>("--bind"); 49 gpr_join_host_port(&args[2], "::", port); 50 args[3] = const_cast<char*>("--no-secure"); 51 svr = gpr_subprocess_create(4, (const char**)args); 52 gpr_free(args[0]); 53 gpr_free(args[2]); 54 55 /* start the client */ 56 gpr_asprintf(&args[0], "%s/fling_client%s", root, 57 gpr_subprocess_binary_extension()); 58 args[1] = const_cast<char*>("--target"); 59 gpr_join_host_port(&args[2], "127.0.0.1", port); 60 args[3] = const_cast<char*>("--scenario=ping-pong-request"); 61 args[4] = const_cast<char*>("--no-secure"); 62 args[5] = nullptr; 63 cli = gpr_subprocess_create(6, (const char**)args); 64 gpr_free(args[0]); 65 gpr_free(args[2]); 66 67 /* wait for completion */ 68 printf("waiting for client\n"); 69 if ((status = gpr_subprocess_join(cli))) { 70 gpr_subprocess_destroy(cli); 71 gpr_subprocess_destroy(svr); 72 return status; 73 } 74 gpr_subprocess_destroy(cli); 75 76 gpr_subprocess_interrupt(svr); 77 status = gpr_subprocess_join(svr); 78 gpr_subprocess_destroy(svr); 79 return status; 80 } 81