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rework exit hooks

deepsource-autofix-76c6eb20
Dan Gowans 2022-12-06 15:45:02 -05:00
parent 167d710cfe
commit e344377025
2 changed files with 90 additions and 76 deletions
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44
bin/www.js
View File

@ -3,20 +3,19 @@ import http from "node:http";
import * as configFunctions from "../helpers/functions.config.js";
import exitHook from "exit-hook";
import ntfyPublish from "@cityssm/ntfy-publish";
import debug from "debug";
const debugWWW = debug("lot-occupancy-system:www");
let httpServer;
import Debug from "debug";
const debug = Debug("lot-occupancy-system:www");
const onError = (error) => {
if (error.syscall !== "listen") {
throw error;
}
switch (error.code) {
case "EACCES": {
debugWWW("Requires elevated privileges");
debug("Requires elevated privileges");
process.exit(1);
}
case "EADDRINUSE": {
debugWWW("Port is already in use.");
debug("Port is already in use.");
process.exit(1);
}
default: {
@ -28,37 +27,44 @@ const onListening = (server) => {
const addr = server.address();
if (addr) {
const bind = typeof addr === "string" ? "pipe " + addr : "port " + addr.port.toString();
debugWWW("Listening on " + bind);
debug("Listening on " + bind);
}
};
const ntfyStartupConfig = configFunctions.getProperty("application.ntfyStartup");
const httpPort = configFunctions.getProperty("application.httpPort");
if (httpPort) {
httpServer = http.createServer(app);
const httpServer = http.createServer(app);
httpServer.listen(httpPort);
httpServer.on("error", onError);
httpServer.on("listening", () => {
onListening(httpServer);
});
debugWWW("HTTP listening on " + httpPort.toString());
const ntfyStartupConfig = configFunctions.getProperty("application.ntfyStartup");
debug("HTTP listening on " + httpPort.toString());
exitHook(() => {
debug("Closing HTTP");
httpServer.close();
});
if (ntfyStartupConfig) {
const topic = ntfyStartupConfig.topic;
const server = ntfyStartupConfig.server;
const ntfyMessage = {
const ntfyStartupMessage = {
topic,
title: configFunctions.getProperty("application.applicationName"),
message: "Application Started",
tags: ["arrow_up"]
};
const ntfyShutdownMessage = {
topic,
title: configFunctions.getProperty("application.applicationName"),
message: "Application Shut Down",
tags: ["arrow_down"]
};
if (server) {
ntfyMessage.server = server;
}
await ntfyPublish(ntfyMessage);
}
ntfyStartupMessage.server = server;
ntfyShutdownMessage.server = server;
}
await ntfyPublish(ntfyStartupMessage);
exitHook(() => {
if (httpServer) {
debugWWW("Closing HTTP");
httpServer.close();
}
debug("Sending ntfy notification");
ntfyPublish(ntfyShutdownMessage);
});
}

50
bin/www.ts
View File

@ -7,13 +7,12 @@ import http from "node:http";
import * as configFunctions from "../helpers/functions.config.js";
import exitHook from "exit-hook";
import ntfyPublish from "@cityssm/ntfy-publish";
import type * as ntfyTypes from "@cityssm/ntfy-publish/types";
import debug from "debug";
const debugWWW = debug("lot-occupancy-system:www");
let httpServer: http.Server;
import Debug from "debug";
const debug = Debug("lot-occupancy-system:www");
interface ServerError extends Error {
syscall: string;
@ -29,14 +28,14 @@ const onError = (error: ServerError) => {
switch (error.code) {
// eslint-disable-next-line no-fallthrough
case "EACCES": {
debugWWW("Requires elevated privileges");
debug("Requires elevated privileges");
process.exit(1);
// break;
}
// eslint-disable-next-line no-fallthrough
case "EADDRINUSE": {
debugWWW("Port is already in use.");
debug("Port is already in use.");
process.exit(1);
// break;
}
@ -53,18 +52,19 @@ const onListening = (server: http.Server) => {
if (addr) {
const bind = typeof addr === "string" ? "pipe " + addr : "port " + addr.port.toString();
debugWWW("Listening on " + bind);
debug("Listening on " + bind);
}
};
/**
/*
* Initialize HTTP
*/
const ntfyStartupConfig = configFunctions.getProperty("application.ntfyStartup");
const httpPort = configFunctions.getProperty("application.httpPort");
if (httpPort) {
httpServer = http.createServer(app);
const httpServer = http.createServer(app);
httpServer.listen(httpPort);
@ -73,32 +73,40 @@ if (httpPort) {
onListening(httpServer);
});
debugWWW("HTTP listening on " + httpPort.toString());
debug("HTTP listening on " + httpPort.toString());
const ntfyStartupConfig = configFunctions.getProperty("application.ntfyStartup");
exitHook(() => {
debug("Closing HTTP");
httpServer.close();
});
if (ntfyStartupConfig) {
const topic = ntfyStartupConfig.topic;
const server = ntfyStartupConfig.server;
const ntfyMessage: ntfyTypes.NtfyMessageOptions = {
const ntfyStartupMessage: ntfyTypes.NtfyMessageOptions = {
topic,
title: configFunctions.getProperty("application.applicationName"),
message: "Application Started",
tags: ["arrow_up"]
};
const ntfyShutdownMessage: ntfyTypes.NtfyMessageOptions = {
topic,
title: configFunctions.getProperty("application.applicationName"),
message: "Application Shut Down",
tags: ["arrow_down"]
};
if (server) {
ntfyMessage.server = server;
ntfyStartupMessage.server = server;
ntfyShutdownMessage.server = server;
}
await ntfyPublish(ntfyMessage);
}
}
await ntfyPublish(ntfyStartupMessage);
exitHook(() => {
if (httpServer) {
debugWWW("Closing HTTP");
httpServer.close();
}
debug("Sending ntfy notification");
ntfyPublish(ntfyShutdownMessage);
});
}