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retrieve app logs from dev admin's memory storage (electrode-io#1713)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| /* eslint-disable max-statements */ | ||
|
|
||
| import * as http from "http"; | ||
| import * as Path from "path"; | ||
| import * as Fs from "fs"; | ||
| import * as Url from "url"; | ||
| import * as AnsiConvert from "ansi-to-html"; | ||
| import { AdminServer } from "./admin-server"; | ||
| import { getLogEventAsHtml } from "./log-parser"; | ||
| import * as QS from "querystring"; | ||
|
|
||
| export type AdminHttpOptions = { | ||
| port?: number; | ||
| admin: any; | ||
| }; | ||
|
|
||
| export class AdminHttp { | ||
| _server: http.Server; | ||
| _admin: AdminServer; | ||
| _logHtml: string; | ||
| _adminHtml: string; | ||
| _port: number; | ||
| _instanceId: number; | ||
|
|
||
| constructor(options: AdminHttpOptions) { | ||
| this._server = http.createServer(this.requestListener.bind(this)); | ||
| this._admin = options.admin; | ||
| this._port = options.port || 9001; | ||
| this._server.listen(this._port); | ||
| this._instanceId = Date.now(); | ||
| } | ||
|
|
||
| _readAsset(filename: string, memoize: string): string { | ||
| if (!this[memoize]) { | ||
| this[memoize] = Fs.readFileSync(filename).toString(); | ||
| } | ||
|
|
||
| return this[memoize]; | ||
| } | ||
|
|
||
| _serveHtml(res: http.ServerResponse, content: string) { | ||
| res.setHeader("content-type", "text/html; charset=UTF-8"); | ||
| res.writeHead(200); | ||
| res.end(content); | ||
| } | ||
|
|
||
| _serveLogs(url: Url.UrlWithStringQuery, res: http.ServerResponse) { | ||
| const logs = this._admin.getLogs("app"); | ||
| const query: any = QS.parse(url.query); | ||
| const id = parseInt(query.id, 10); | ||
|
|
||
| let start = 0; | ||
|
|
||
| if (id === this._instanceId) { | ||
| start = parseInt(query.start, 10) || 0; | ||
| } | ||
|
|
||
| const htmlLogs = []; | ||
| for (let ix = start; ix < logs.length; ix++) { | ||
| const event: any = logs[ix]; | ||
| const message = getLogEventAsHtml(event); | ||
| const record: any = { | ||
| level: event.level, | ||
| message | ||
| }; | ||
| if (event.jsonData) { | ||
| record.json = true; | ||
| } | ||
| htmlLogs.push(record); | ||
| } | ||
|
|
||
| const data = { | ||
| start, | ||
| logs: htmlLogs, | ||
| total: logs.length, | ||
| instanceId: this._instanceId | ||
| }; | ||
|
|
||
| res.setHeader("content-type", "application/json"); | ||
| res.writeHead(200); | ||
| res.end(JSON.stringify(data)); | ||
| } | ||
|
|
||
| requestListener(req: http.IncomingMessage, res: http.ServerResponse) { | ||
| const url = Url.parse(req.url); | ||
| switch (url.pathname) { | ||
| case "/": | ||
| case "/__electrode_dev": | ||
| return this._serveHtml( | ||
| res, | ||
| this._readAsset(Path.join(__dirname, "admin.html"), "_adminHtml") | ||
| ); | ||
| case "/log-events": | ||
| case "/__electrode_dev/log-events": | ||
| return this._serveLogs(url, res); | ||
| case "/log": | ||
| case "/__electrode_dev/log": | ||
| return this._serveHtml(res, this._readAsset(Path.join(__dirname, "log.html"), "_logHtml")); | ||
| default: | ||
| res.writeHead(404); | ||
| return res.end("dev admin http 404 " + req.url); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Shutdown the http server | ||
| */ | ||
| shutdown() { | ||
| const server = this._server; | ||
| this._server = null; | ||
| if (server) { | ||
| server.close(); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| <html> | ||
| <head> | ||
| <title>xarc dev admin</title> | ||
| </head> | ||
| <body> | ||
| <h1>xarc dev admin</h1> | ||
| </body> | ||
| </html> |
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