PerfCloud/nodelogging
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Code Issues Releases Wiki Activity

Updating filewriter to comply to new Adapter interface

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This commit is contained in:
Fabian Stamm 2020-04-09 18:17:32 +02:00
parent c5098934a1
commit c7c968753f
3 changed files with 63 additions and 51 deletions
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8
package-lock.json generated
View File

@ -1,13 +1,13 @@
{
"name": "@hibas123/nodelogging",
"version": "2.1.5",
"version": "2.3.0",
"lockfileVersion": 1,
"requires": true,
"dependencies": {
"@hibas123/logging": {
"version": "2.2.2",
"resolved": "https://registry.npmjs.org/@hibas123/logging/-/logging-2.2.2.tgz",
"integrity": "sha512-45ajce5iFAKIYK74VfNVWtUCkk3nXSV2pCrnY7edszPrME8HWgrrkHMxc4yo3cIBpZNP9WN3O2TnDseasCvcjw==",
"version": "2.3.0",
"resolved": "https://npm.hibas123.de/@hibas123%2flogging/-/logging-2.3.0.tgz",
"integrity": "sha512-VB/aOrup5AFOL4Ck5c7jF1Qy5Jr5tDfjhMHI0Tbe4fzkA2pagpTcIgdm+p0rQ9sa/rO2FKpd0kpy11b3W5NC8g==",
"requires": {
"@hibas123/utils": "^2.2.3"
}

4
package.json
View File

@ -1,6 +1,6 @@
{
"name": "@hibas123/nodelogging",
"version": "2.2.2",
"version": "2.3.0",
"description": "",
"main": "out/index.js",
"types": "out/index.d.ts",
@ -32,7 +32,7 @@
"typescript": "^3.8.3"
},
"dependencies": {
"@hibas123/logging": "^2.2.2",
"@hibas123/logging": "^2.3.0",
"@hibas123/utils": "^2.2.3"
}
}

98
src/filewriter.ts
View File

@ -3,20 +3,24 @@ import * as fs from "fs";
import * as path from "path";
import { Adapter, Message, LoggingTypes } from "@hibas123/logging";
const MAX_FILE_SIZE = 500000000;
export class LoggingFiles implements Adapter {
file: Files;
constructor(filename: string, private error = false, private maxFileSize = MAX_FILE_SIZE) {
this.file = Files.getFile(filename);
}
constructor(
private filename: string,
private error = false,
private maxFileSize = MAX_FILE_SIZE,
private noPrefix = false
) {}
init(observable: ObservableInterface<Message>) {
observable.subscribe(this.onMessage.bind(this));
if (!this.file) {
this.file = Files.getFile(this.filename);
return this.file.init(this.maxFileSize);
}
}
flush(sync: boolean) {
this.file.flush(sync);
@ -24,10 +28,13 @@ export class LoggingFiles implements Adapter {
onMessage(message: Message) {
// Just ignore all non error messages, if this.error is set
if (this.error && message.type !== LoggingTypes.Error)
return;
if (this.error && message.type !== LoggingTypes.Error) return;
let txt = message.text.formatted.map(fmt => fmt.map(f => f.text).join("") + "\n").join("");
let prefix = "";
if (message.name) prefix = `[${message.name}]=>`;
let txt = message.text.formatted
.map((fmt) => prefix + fmt.map((f) => f.text).join("") + "\n")
.join("");
let msg = Buffer.from(txt);
this.file.write(msg);
@ -35,6 +42,7 @@ export class LoggingFiles implements Adapter {
close() {
this.file.close();
this.file = undefined;
}
}
@ -58,19 +66,22 @@ export class Files {
private stream: fs.WriteStream = undefined;
private lock = new Lock();
public initialized = false;
private $initialized = false;
private constructor(private file: string) { }
public get initlialized() {
return this.$initialized;
}
private constructor(private file: string) {}
public async init(maxFileSize: number) {
if (this.initialized)
return;
if (this.$initialized) return;
let lock = await this.lock.getLock();
this.maxFileSize == maxFileSize;
await this.initializeFile()
this.initialized = true;
await this.initializeFile();
this.$initialized = true;
lock.release();
this.checkQueue()
this.checkQueue();
}
private async initializeFile(new_file = false) {
@ -80,8 +91,8 @@ export class Files {
}
const folder = path.dirname(this.file);
if (folder) {
if (!await fsExists(folder)) {
await fsMkDir(folder).catch(() => { }); //Could happen, if two seperate instances want to create the same folder so ignoring
if (!(await fsExists(folder))) {
await fsMkDir(folder).catch(() => {}); //Could happen, if two seperate instances want to create the same folder so ignoring
}
}
@ -91,13 +102,13 @@ export class Files {
if (new_file || stats.size >= this.maxFileSize) {
if (await fsExists(this.file + ".old"))
await fsUnlink(this.file + ".old");
await fsMove(this.file, this.file + ".old")
await fsMove(this.file, this.file + ".old");
} else {
size = stats.size;
}
}
this.stream = fs.createWriteStream(this.file, { flags: "a" })
this.stream = fs.createWriteStream(this.file, { flags: "a" });
this.size = size;
} catch (e) {
console.log(e);
@ -112,7 +123,7 @@ export class Files {
if (this.lock.locked) return;
let lock = await this.lock.getLock();
let msg: Buffer;
while (msg = this.queue.shift()) {
while ((msg = this.queue.shift())) {
await this.write_to_file(msg);
}
lock.release();
@ -122,7 +133,7 @@ export class Files {
await this.flush(false);
this.open--;
if (this.open <= 0) {
this.stream.close()
this.stream.close();
Files.files.delete(this.file);
}
}
@ -130,7 +141,7 @@ export class Files {
if (sync) {
// if sync flush, the process most likely is in failstate, so checkQueue stopped its work.
let msg: Buffer;
while (msg = this.queue.shift()) {
while ((msg = this.queue.shift())) {
this.stream.write(msg);
}
} else {
@ -138,14 +149,17 @@ export class Files {
const lock = await this.lock.getLock();
lock.release();
await this.checkQueue();
})
});
}
}
private async write_to_file(data: Buffer) {
try {
if (data.byteLength < this.maxFileSize && this.size + data.byteLength > this.maxFileSize) {
await this.initializeFile(true)
if (
data.byteLength < this.maxFileSize &&
this.size + data.byteLength > this.maxFileSize
) {
await this.initializeFile(true);
}
this.size += data.byteLength;
this.stream.write(data);
@ -159,12 +173,10 @@ export class Files {
public write(data: Buffer) {
this.queue.push(data);
this.checkQueue()
this.checkQueue();
}
public dispose() {
}
public dispose() {}
}
function fsUnlink(path) {
@ -172,8 +184,8 @@ function fsUnlink(path) {
fs.unlink(path, (err) => {
if (err) reject(err);
else resolve();
})
})
});
});
}
function fsStat(path: string) {
@ -181,36 +193,36 @@ function fsStat(path: string) {
fs.stat(path, (err, stats) => {
if (err) reject(err);
else resolve(stats);
})
})
});
});
}
function fsMove(oldPath: string, newPath: string) {
return new Promise((resolve, reject) => {
let callback = (err?) => {
if (err) reject(err)
else resolve()
}
if (err) reject(err);
else resolve();
};
fs.rename(oldPath, newPath, function (err) {
if (err) {
if (err.code === 'EXDEV') {
if (err.code === "EXDEV") {
copy();
} else {
callback(err)
callback(err);
}
return;
}
callback()
callback();
});
function copy() {
fs.copyFile(oldPath, newPath, (err) => {
if (err) callback(err)
if (err) callback(err);
else fs.unlink(oldPath, callback);
})
});
}
})
});
}
function fsExists(path: string) {
@ -221,6 +233,6 @@ function fsExists(path: string) {
function fsMkDir(path: string) {
return new Promise((resolve, reject) => {
fs.mkdir(path, (err) => err ? reject(err) : resolve());
fs.mkdir(path, (err) => (err ? reject(err) : resolve()));
});
}