| /* |
| * |
| * Copyright 2015-2016 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include <signal.h> |
| #include <string.h> |
| |
| #include <memory> |
| #include <mutex> |
| #include <sstream> |
| #include <string> |
| |
| #include <grpc/support/log.h> |
| |
| #include "src/core/lib/support/env.h" |
| #include "test/core/util/port.h" |
| #include "test/cpp/util/subprocess.h" |
| |
| using grpc::SubProcess; |
| |
| constexpr auto kNumWorkers = 2; |
| |
| static SubProcess* g_driver; |
| static SubProcess* g_workers[kNumWorkers]; |
| |
| template <class T> |
| std::string as_string(const T& val) { |
| std::ostringstream out; |
| out << val; |
| return out.str(); |
| } |
| |
| static void sighandler(int sig) { |
| const int errno_saved = errno; |
| if (g_driver != nullptr) g_driver->Interrupt(); |
| for (int i = 0; i < kNumWorkers; ++i) { |
| if (g_workers[i]) g_workers[i]->Interrupt(); |
| } |
| errno = errno_saved; |
| } |
| |
| static void register_sighandler() { |
| struct sigaction act; |
| memset(&act, 0, sizeof(act)); |
| act.sa_handler = sighandler; |
| |
| sigaction(SIGINT, &act, nullptr); |
| sigaction(SIGTERM, &act, nullptr); |
| } |
| |
| static void LogStatus(int status, const char* label) { |
| if (WIFEXITED(status)) { |
| gpr_log(GPR_INFO, "%s: subprocess exited with status %d", label, |
| WEXITSTATUS(status)); |
| } else if (WIFSIGNALED(status)) { |
| gpr_log(GPR_INFO, "%s: subprocess terminated with signal %d", label, |
| WTERMSIG(status)); |
| } else { |
| gpr_log(GPR_INFO, "%s: unknown subprocess status: %d", label, status); |
| } |
| } |
| |
| int main(int argc, char** argv) { |
| register_sighandler(); |
| |
| std::string my_bin = argv[0]; |
| std::string bin_dir = my_bin.substr(0, my_bin.rfind('/')); |
| |
| std::ostringstream env; |
| bool first = true; |
| |
| for (int i = 0; i < kNumWorkers; i++) { |
| const auto port = grpc_pick_unused_port_or_die(); |
| std::vector<std::string> args = {bin_dir + "/qps_worker", "-driver_port", |
| as_string(port)}; |
| g_workers[i] = new SubProcess(args); |
| if (!first) env << ","; |
| env << "localhost:" << port; |
| first = false; |
| } |
| |
| gpr_setenv("QPS_WORKERS", env.str().c_str()); |
| std::vector<std::string> args = {bin_dir + "/qps_json_driver"}; |
| for (int i = 1; i < argc; i++) { |
| args.push_back(argv[i]); |
| } |
| |
| g_driver = new SubProcess(args); |
| const int driver_join_status = g_driver->Join(); |
| if (driver_join_status != 0) { |
| LogStatus(driver_join_status, "driver"); |
| } |
| for (int i = 0; i < kNumWorkers; ++i) { |
| if (g_workers[i]) g_workers[i]->Interrupt(); |
| } |
| |
| for (int i = 0; i < kNumWorkers; ++i) { |
| if (g_workers[i]) { |
| const int worker_status = g_workers[i]->Join(); |
| if (worker_status != 0) { |
| LogStatus(worker_status, "worker"); |
| } |
| } |
| } |
| |
| if (g_driver != nullptr) { |
| delete g_driver; |
| } |
| g_driver = nullptr; |
| for (int i = 0; i < kNumWorkers; ++i) { |
| if (g_workers[i] != nullptr) { |
| delete g_workers[i]; |
| } |
| } |
| GPR_ASSERT(driver_join_status == 0); |
| } |