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