133 lines
4.2 KiB
C++
133 lines
4.2 KiB
C++
#include <log/LogUtils.h>
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#include <StringVariable.h>
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#include <ThreadPool/ThreadHelper.h>
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#include "ShutdownHelper.h"
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#include "InstanceHandler.h"
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using namespace std;
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using namespace std::chrono;
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using namespace ts;
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using namespace ts::server;
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extern bool mainThreadActive;
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bool shuttingDown = false;
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void ts::server::shutdownInstance(const std::string& message) {
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if(shuttingDown) return;
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shuttingDown = true;
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auto hangup_controller = std::thread([]{
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threads::self::sleep_for(chrono::seconds(30));
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logCriticalFmt(true, 0, "Could not shutdown server within 30 seconds! (Hangup!)");
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logCriticalFmt(true, 0, "Killing server!");
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auto force_kill = std::thread([]{
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threads::self::sleep_for(chrono::seconds(5));
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logCriticalFmt(true, 0, "Failed to exit normally!");
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logCriticalFmt(true, 0, "executing raise(SIGKILL);");
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raise(SIGKILL);
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});
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threads::name(force_kill, "force stopper");
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force_kill.detach();
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exit(2);
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});
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threads::name(hangup_controller, "stop controller");
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hangup_controller.detach();
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logMessage(LOG_GENERAL, "Stopping all server instances!");
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if(serverInstance && serverInstance->getVoiceServerManager())
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serverInstance->getVoiceServerManager()->shutdownAll(message);
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mainThreadActive = false;
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}
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std::shared_ptr<server::ShutdownData> currentShutdown = nullptr;
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std::shared_ptr<server::ShutdownData> server::scheduledShutdown() { return currentShutdown; }
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inline void broadcastMessage(const std::string& message) {
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if(!serverInstance || !serverInstance->getVoiceServerManager())
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return;
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for(const auto &server : serverInstance->getVoiceServerManager()->serverInstances()) {
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if(server->running()) {
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server->broadcastMessage(server->getServerRoot(), message);
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}
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}
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}
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void executeScheduledShutdown(const std::shared_ptr<ShutdownData>& data);
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bool server::scheduleShutdown(const std::chrono::system_clock::time_point& time, const std::string& reason) {
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server::cancelShutdown(false); //Cancel old shutdown
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auto data = std::make_shared<ShutdownData>();
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data->active = true;
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data->time_point = time;
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data->reason = reason;
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data->shutdown_thread = std::thread{[data]{
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executeScheduledShutdown(data);
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}};
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threads::name(data->shutdown_thread, "Shutdown executor");
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currentShutdown = data;
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return true;
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}
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void server::cancelShutdown(bool notify) {
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if(!currentShutdown) return;
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if(notify && !config::messages::shutdown::canceled.empty()) {
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broadcastMessage(config::messages::shutdown::canceled);
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}
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auto current = server::scheduledShutdown();
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current->active = false;
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current->shutdownNotify.notify_all();
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if(!threads::save_join(current->shutdown_thread)) {
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logCritical("Could not terminal shutdown thread!");
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current->shutdown_thread.detach();
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}
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currentShutdown = nullptr;
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}
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void executeScheduledShutdown(const shared_ptr<ShutdownData>& data) {
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std::time_t time_point = system_clock::to_time_t(data->time_point);
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{
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auto message = strvar::transform(config::messages::shutdown::scheduled, strvar::FunctionValue("time", (strvar::FunctionValue::FValueFNEasy) [&](std::deque<std::string> value) {
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auto pattern = !value.empty() ? value[0] : "%Y-%m-%d_%H:%M:%S";
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tm* tm_info = localtime(&time_point);
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char timeBuffer[1024];
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if(strftime(timeBuffer, 1024, pattern.c_str(), tm_info) == 0) {
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return string("string is longer than the buffer");
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}
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return string(timeBuffer);
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}));
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broadcastMessage(message);
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}
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while(data->time_point > system_clock::now()) {
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auto per = data->time_point - system_clock::now();
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pair<seconds, string> best_period = {seconds(0), ""};
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for(const auto& period : config::messages::shutdown::intervals) {
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if(period.first > per) continue;
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if(period.first > best_period.first) best_period = period;
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}
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{
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std::unique_lock<std::mutex> lock(data->shutdownMutex);
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data->shutdownNotify.wait_until(lock, data->time_point - best_period.first, [data](){ return !data->active; });
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if(!data->active) return;
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}
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if(best_period.first.count() == 0)
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broadcastMessage(config::messages::shutdown::now);
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else
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broadcastMessage(strvar::transform(config::messages::shutdown::interval, strvar::StringValue{"interval", best_period.second}));
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}
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ts::server::shutdownInstance(data->reason);
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//No need to delete own task
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} |