Martin Michelsen
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
#include "SignalWatcher.hh"
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#include <event2/event.h>
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#include <signal.h>
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#include <stdio.h>
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#include <string.h>
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#include <phosg/Random.hh>
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#include <phosg/Strings.hh>
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#include "ReceiveCommands.hh"
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#include "SendCommands.hh"
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#include "ServerState.hh"
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#include "StaticGameData.hh"
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using namespace std;
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SignalWatcher::SignalWatcher(shared_ptr<ServerState> state)
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: log("[SignalWatcher] "),
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state(state),
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sigusr1_event(evsignal_new(this->state->base.get(), SIGUSR1, &SignalWatcher::dispatch_on_signal, this), event_free),
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sigusr2_event(evsignal_new(this->state->base.get(), SIGUSR2, &SignalWatcher::dispatch_on_signal, this), event_free) {
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event_add(this->sigusr1_event.get(), nullptr);
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event_add(this->sigusr2_event.get(), nullptr);
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}
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void SignalWatcher::dispatch_on_signal(evutil_socket_t signal, short what, void* ctx) {
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if (what != EV_SIGNAL) {
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throw logic_error("dispatch_on_signal called for non-signal event");
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}
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reinterpret_cast<SignalWatcher*>(ctx)->on_signal(signal);
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}
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void SignalWatcher::on_signal(int signum) {
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switch (signum) {
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case SIGUSR1:
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this->log.info("Received SIGUSR1; reloading config.json");
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this->state->forward_to_event_thread([s = this->state]() {
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try {
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s->load_config_early();
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s->load_config_late();
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fprintf(stderr, "Configuration update complete\n");
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} catch (const exception& e) {
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fprintf(stderr, "FAILED: %s\n", e.what());
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fprintf(stderr, "Some configuration may have been reloaded. Fix the underlying issue and try again.\n");
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}
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});
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break;
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case SIGUSR2:
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this->log.info("Received SIGUSR2; reloading config.json and all dependencies");
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this->state->forward_to_event_thread([s = this->state]() {
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try {
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s->load_all();
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fprintf(stderr, "Configuration update complete\n");
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} catch (const exception& e) {
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fprintf(stderr, "FAILED: %s\n", e.what());
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fprintf(stderr, "Some configuration may have been reloaded. Fix the underlying issue and try again.\n");
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}
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});
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break;
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default:
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this->log.warning("Unknown signal received: %d", signum);
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}
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}
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