Addic file size limits

.vscode/launch.json

@@ -0,0 +1,18 @@
+{
+   // Verwendet IntelliSense zum Ermitteln möglicher Attribute.
+   // Zeigen Sie auf vorhandene Attribute, um die zugehörigen Beschreibungen anzuzeigen.
+   // Weitere Informationen finden Sie unter https://go.microsoft.com/fwlink/?linkid=830387
+   "version": "0.2.0",
+   "configurations": [
+      {
+         "type": "node",
+         "request": "launch",
+         "name": "Programm starten",
+         "program": "${workspaceFolder}\\out\\test.js",
+         "preLaunchTask": "build",
+         "outFiles": [
+            "${workspaceFolder}/out/**/*.js"
+         ]
+      }
+   ]
+}

.vscode/tasks.json

@@ -0,0 +1,16 @@
+{
+   // See https://go.microsoft.com/fwlink/?LinkId=733558
+   // for the documentation about the tasks.json format
+   "version": "2.0.0",
+   "tasks": [
+      {
+         "type": "typescript",
+         "tsconfig": "tsconfig.json",
+         "identifier": "builld",
+         "label": "build",
+         "problemMatcher": [
+            "$tsc"
+         ]
+      }
+   ]
+}

out/index.d.ts

@@ -2,9 +2,11 @@
 import { EventEmitter } from "events";
 export declare class Logging {
     private static logFileLocation;
-    private static stdout;
+    static stdout: boolean;
     private static fileStream;
     private static errorStream;
+    private static fileSize;
+    private static errorSize;
     private static writing;
     private static queue;
     static events: EventEmitter;

out/index.js

@@ -27,6 +27,7 @@ const BgBlue = "\x1b[44m";
 const BgMagenta = "\x1b[45m";
 const BgCyan = "\x1b[46m";
 const BgWhite = "\x1b[47m";
+const maxFileSize = 500000000;
 class Logging {
     static config(logfolder, stdout) {
         this.logFileLocation = logfolder;
@@ -105,8 +106,8 @@ class Logging {
             index = m.indexOf("\x1b");
         }
         if (this.logFileLocation) {
-            if (!this.fileStream || !this.errorStream) {
+            if ((!this.fileStream || !this.errorStream) && !this.writing) {
-                await Logging.initializeFile();
+                Logging.initializeFile();
             }
             Logging.writeMessageToFile(m, type === LoggingTypes.Error);
         }
@@ -116,16 +117,37 @@ class Logging {
         Logging.queue.push({ message: message.replace("\n", " "), error: error });
         Logging.checkQueue();
     }
-    static checkQueue() {
+    static async checkQueue() {
+        try {
             if (Logging.writing)
                 return;
             if (Logging.queue.length <= 0)
                 return;
             Logging.writing = true;
             var message = Logging.queue[0];
-        Logging.fileStream.write(message.message + "\n", () => {
+            message.message += "\n";
+            let data = new Buffer(message.message, "utf8");
+            if (data.byteLength < maxFileSize && data.byteLength + Logging.fileSize > maxFileSize) {
+                Logging.fileStream.close();
+                if (await fsExists(this.logFileLocation + "all.log.old"))
+                    await fsUnlink(this.logFileLocation + "all.log.old");
+                await fsMove(this.logFileLocation + "all.log", this.logFileLocation + "all.log.old");
+                Logging.fileStream = fs.createWriteStream(this.logFileLocation + "all.log");
+                Logging.fileSize = 0;
+            }
+            Logging.fileSize += data.byteLength;
+            Logging.fileStream.write(data, async () => {
                 if (message.error) {
-                Logging.errorStream.write(message.message + "\n", () => {
+                    if (data.byteLength < maxFileSize && data.byteLength + Logging.errorSize > maxFileSize) {
+                        Logging.errorStream.close();
+                        if (await fsExists(this.logFileLocation + "error.log.old"))
+                            await fsUnlink(this.logFileLocation + "error.log.old");
+                        await fsMove(this.logFileLocation + "error.log", this.logFileLocation + "error.log.old");
+                        Logging.errorStream = fs.createWriteStream(this.logFileLocation + "error.log");
+                        Logging.errorSize = 0;
+                    }
+                    Logging.errorSize += data.byteLength;
+                    Logging.errorStream.write(data, () => {
                         Logging.queue.splice(Logging.queue.indexOf(message), 1);
                         Logging.writing = false;
                         Logging.checkQueue();
@@ -138,13 +160,17 @@ class Logging {
                 }
             });
         }
+        catch (e) {
+            console.log(e);
+        }
+    }
     static async initializeFile() {
         if (this.fileStream && this.errorStream)
             return;
         if (!this.logFileLocation)
             return;
+        this.writing = true;
         try {
-            var exists = util.promisify(fs.exists);
             await new Promise((resolve, reject) => {
                 fs.exists(this.logFileLocation, (exists) => {
                     if (!exists) {
@@ -161,10 +187,26 @@ class Logging {
                         resolve();
                 });
             });
-            Logging.fileStream = fs.createWriteStream(this.logFileLocation + "all.log", { flags: "a" });
+            if (await fsExists(this.logFileLocation + "all.log")) {
-            Logging.fileStream.write("\n");
+                if (await fsExists(this.logFileLocation + "all.log.old"))
-            Logging.errorStream = fs.createWriteStream(this.logFileLocation + "error.log", { flags: "a" });
+                    await fsUnlink(this.logFileLocation + "all.log.old");
-            Logging.errorStream.write("\n");
+                await fsMove(this.logFileLocation + "all.log", this.logFileLocation + "all.log.old");
+            }
+            if (await fsExists(this.logFileLocation + "error.log")) {
+                let stats = await fsStat(this.logFileLocation + "error.log");
+                if (stats.size > maxFileSize) {
+                    if (await fsExists(this.logFileLocation + "error.log.old"))
+                        await fsUnlink(this.logFileLocation + "error.log.old");
+                    await fsMove(this.logFileLocation + "error.log", this.logFileLocation + "error.log.old");
+                }
+                else {
+                    this.errorSize = stats.size;
+                }
+            }
+            this.fileStream = fs.createWriteStream(this.logFileLocation + "all.log", { flags: "a" });
+            this.errorStream = fs.createWriteStream(this.logFileLocation + "error.log", { flags: "a" });
+            this.writing = false;
+            this.checkQueue();
         }
         catch (e) {
             console.log(e);
@@ -173,10 +215,74 @@ class Logging {
 }
 Logging.logFileLocation = "./logs/";
 Logging.stdout = true;
+Logging.fileSize = 0;
+Logging.errorSize = 0;
 Logging.writing = false;
 Logging.queue = new Array();
 Logging.events = new events_1.EventEmitter();
 exports.Logging = Logging;
+function fsUnlink(path) {
+    return new Promise((resolve, reject) => {
+        fs.unlink(path, (err) => {
+            if (err)
+                reject(err);
+            else
+                resolve();
+        });
+    });
+}
+function fsStat(path) {
+    return new Promise((resolve, reject) => {
+        fs.stat(path, (err, stats) => {
+            if (err)
+                reject(err);
+            else
+                resolve(stats);
+        });
+    });
+}
+function fsMove(oldPath, newPath) {
+    return new Promise((resolve, reject) => {
+        let callback = (err) => {
+            if (err)
+                reject(err);
+            else
+                resolve();
+        };
+        fs.rename(oldPath, newPath, function (err) {
+            if (err) {
+                if (err.code === 'EXDEV') {
+                    copy();
+                }
+                else {
+                    callback(err);
+                }
+                return;
+            }
+            callback();
+        });
+        function copy() {
+            var readStream = fs.createReadStream(oldPath);
+            var writeStream = fs.createWriteStream(newPath);
+            readStream.on('error', callback);
+            writeStream.on('error', callback);
+            readStream.on('close', function () {
+                fs.unlink(oldPath, callback);
+            });
+            readStream.pipe(writeStream);
+        }
+    });
+}
+function fsExists(path) {
+    return new Promise((resolve, reject) => {
+        fs.exists(path, resolve);
+    });
+}
+function fsMkDir(path) {
+    return new Promise((resolve, reject) => {
+        fs.exists(path, resolve);
+    });
+}
 function _getCallerFile() {
     try {
         var err = new Error();

out/test.js

@@ -1,9 +1,14 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 const index_1 = require("./index");
+const crypto_1 = require("crypto");
 index_1.Logging.log("test");
 index_1.Logging.log("i", "am", { a: "an" }, 1000);
 index_1.Logging.error(new Error("fehler 001"));
 index_1.Logging.debug("Some Debug infos");
 index_1.Logging.errorMessage("i", "am", "an", "error");
+index_1.Logging.stdout = false;
+for (let i = 0; i < 7000; i++) {
+    index_1.Logging.log(crypto_1.randomBytes(50000).toString("hex"));
+}
 //# sourceMappingURL=test.js.map

out/test.js.map

@@ -1 +1 @@
-{"version":3,"file":"test.js","sourceRoot":"","sources":["../src/test.ts"],"names":[],"mappings":";;AAAA,mCAAkC;AAElC,eAAO,CAAC,GAAG,CAAC,MAAM,CAAC,CAAA;AACnB,eAAO,CAAC,GAAG,CAAC,GAAG,EAAE,IAAI,EAAE,EAAE,CAAC,EAAE,IAAI,EAAE,EAAE,IAAI,CAAC,CAAC;AAC1C,eAAO,CAAC,KAAK,CAAC,IAAI,KAAK,CAAC,YAAY,CAAC,CAAC,CAAC;AACvC,eAAO,CAAC,KAAK,CAAC,kBAAkB,CAAC,CAAC;AAClC,eAAO,CAAC,YAAY,CAAC,GAAG,EAAE,IAAI,EAAE,IAAI,EAAE,OAAO,CAAC,CAAC"}
+{"version":3,"file":"test.js","sourceRoot":"","sources":["../src/test.ts"],"names":[],"mappings":";;AAAA,mCAAkC;AAClC,mCAAqC;AAErC,eAAO,CAAC,GAAG,CAAC,MAAM,CAAC,CAAA;AACnB,eAAO,CAAC,GAAG,CAAC,GAAG,EAAE,IAAI,EAAE,EAAE,CAAC,EAAE,IAAI,EAAE,EAAE,IAAI,CAAC,CAAC;AAC1C,eAAO,CAAC,KAAK,CAAC,IAAI,KAAK,CAAC,YAAY,CAAC,CAAC,CAAC;AACvC,eAAO,CAAC,KAAK,CAAC,kBAAkB,CAAC,CAAC;AAClC,eAAO,CAAC,YAAY,CAAC,GAAG,EAAE,IAAI,EAAE,IAAI,EAAE,OAAO,CAAC,CAAC;AAC/C,eAAO,CAAC,MAAM,GAAG,KAAK,CAAC;AACvB,GAAG,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,EAAE,CAAC,EAAE,EAAE,CAAC;IAC7B,eAAO,CAAC,GAAG,CAAC,oBAAW,CAAC,KAAK,CAAC,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC,CAAA;AAClD,CAAC"}

src/index.ts

@@ -29,12 +29,16 @@ const BgMagenta = "\x1b[45m"
 const BgCyan = "\x1b[46m"
 const BgWhite = "\x1b[47m"
 
+const maxFileSize = 500000000;
+
 export class Logging {
    private static logFileLocation: string = "./logs/";
-   private static stdout: boolean = true;
+   public static stdout: boolean = true;
 
    private static fileStream: fs.WriteStream;
    private static errorStream: fs.WriteStream;
+   private static fileSize: number = 0;
+   private static errorSize: number = 0;
 
    private static writing = false;
    private static queue = new Array<{ message: string, error: boolean }>();
@@ -123,8 +127,8 @@ export class Logging {
       }
 
       if (this.logFileLocation) {
-         if (!this.fileStream || !this.errorStream) {
+         if ((!this.fileStream || !this.errorStream) && !this.writing) {
-            await Logging.initializeFile();
+            Logging.initializeFile();
          }
          Logging.writeMessageToFile(m, type === LoggingTypes.Error);
       }
@@ -136,14 +140,35 @@ export class Logging {
       Logging.checkQueue();
    }
 
-   private static checkQueue() {
+   private static async checkQueue() {
+      try {
          if (Logging.writing) return;
          if (Logging.queue.length <= 0) return;
          Logging.writing = true;
          var message = Logging.queue[0];
-      Logging.fileStream.write(message.message + "\n", () => {
+         message.message += "\n";
+         let data = new Buffer(message.message, "utf8");
+         if (data.byteLength < maxFileSize && data.byteLength + Logging.fileSize > maxFileSize) {
+            Logging.fileStream.close();
+            if (await fsExists(this.logFileLocation + "all.log.old"))
+               await fsUnlink(this.logFileLocation + "all.log.old");
+            await fsMove(this.logFileLocation + "all.log", this.logFileLocation + "all.log.old")
+            Logging.fileStream = fs.createWriteStream(this.logFileLocation + "all.log");
+            Logging.fileSize = 0;
+         }
+         Logging.fileSize += data.byteLength;
+         Logging.fileStream.write(data, async () => {
             if (message.error) {
-            Logging.errorStream.write(message.message + "\n", () => {
+               if (data.byteLength < maxFileSize && data.byteLength + Logging.errorSize > maxFileSize) {
+                  Logging.errorStream.close();
+                  if (await fsExists(this.logFileLocation + "error.log.old"))
+                     await fsUnlink(this.logFileLocation + "error.log.old");
+                  await fsMove(this.logFileLocation + "error.log", this.logFileLocation + "error.log.old")
+                  Logging.errorStream = fs.createWriteStream(this.logFileLocation + "error.log");
+                  Logging.errorSize = 0;
+               }
+               Logging.errorSize += data.byteLength;
+               Logging.errorStream.write(data, () => {
                   Logging.queue.splice(Logging.queue.indexOf(message), 1);
                   Logging.writing = false;
                   Logging.checkQueue();
@@ -154,13 +179,16 @@ export class Logging {
                Logging.checkQueue();
             }
          });
+      } catch (e) {
+         console.log(e)
+      }
    }
 
    private static async initializeFile() {
       if (this.fileStream && this.errorStream) return;
       if (!this.logFileLocation) return;
+      this.writing = true;
       try {
-         var exists = util.promisify(fs.exists);
          await new Promise((resolve, reject) => {
             fs.exists(this.logFileLocation, (exists) => {
                if (!exists) {
@@ -175,16 +203,99 @@ export class Logging {
             });
          });
 
-         Logging.fileStream = fs.createWriteStream(this.logFileLocation + "all.log", { flags: "a" });
+         if (await fsExists(this.logFileLocation + "all.log")) {
-         Logging.fileStream.write("\n");
+            if (await fsExists(this.logFileLocation + "all.log.old"))
-         Logging.errorStream = fs.createWriteStream(this.logFileLocation + "error.log", { flags: "a" });
+               await fsUnlink(this.logFileLocation + "all.log.old");
-         Logging.errorStream.write("\n");
+            await fsMove(this.logFileLocation + "all.log", this.logFileLocation + "all.log.old")
+         }
+
+         if (await fsExists(this.logFileLocation + "error.log")) {
+            let stats = await fsStat(this.logFileLocation + "error.log")
+            if (stats.size > maxFileSize) {
+               if (await fsExists(this.logFileLocation + "error.log.old"))
+                  await fsUnlink(this.logFileLocation + "error.log.old");
+               await fsMove(this.logFileLocation + "error.log", this.logFileLocation + "error.log.old")
+            } else {
+               this.errorSize = stats.size;
+            }
+         }
+
+         this.fileStream = fs.createWriteStream(this.logFileLocation + "all.log", { flags: "a" });
+         this.errorStream = fs.createWriteStream(this.logFileLocation + "error.log", { flags: "a" });
+         this.writing = false;
+         this.checkQueue();
       } catch (e) {
          console.log(e);
       }
    }
 }
 
+function fsUnlink(path) {
+   return new Promise((resolve, reject) => {
+      fs.unlink(path, (err) => {
+         if (err) reject(err);
+         else resolve();
+      })
+   })
+}
+
+function fsStat(path: string) {
+   return new Promise<fs.Stats>((resolve, reject) => {
+      fs.stat(path, (err, stats) => {
+         if (err) reject(err);
+         else resolve(stats);
+      })
+   })
+}
+
+function fsMove(oldPath, newPath) {
+   return new Promise((resolve, reject) => {
+
+      let callback = (err?) => {
+         if (err) reject(err)
+         else resolve()
+      }
+
+      fs.rename(oldPath, newPath, function (err) {
+         if (err) {
+            if (err.code === 'EXDEV') {
+               copy();
+            } else {
+               callback(err)
+            }
+            return;
+         }
+         callback()
+      });
+
+      function copy() {
+         var readStream = fs.createReadStream(oldPath);
+         var writeStream = fs.createWriteStream(newPath);
+
+         readStream.on('error', callback);
+         writeStream.on('error', callback);
+
+         readStream.on('close', function () {
+            fs.unlink(oldPath, callback);
+         });
+
+         readStream.pipe(writeStream);
+      }
+   })
+}
+
+function fsExists(path) {
+   return new Promise<boolean>((resolve, reject) => {
+      fs.exists(path, resolve);
+   });
+}
+
+function fsMkDir(path) {
+   return new Promise((resolve, reject) => {
+      fs.exists(path, resolve);
+   });
+}
+
 function _getCallerFile() {
    try {
       var err = new Error();

src/test.ts

@@ -1,7 +1,12 @@
 import { Logging } from "./index";
+import { randomBytes } from "crypto";
 
 Logging.log("test")
 Logging.log("i", "am", { a: "an" }, 1000);
 Logging.error(new Error("fehler 001"));
 Logging.debug("Some Debug infos");
 Logging.errorMessage("i", "am", "an", "error");
+Logging.stdout = false;
+for (let i = 0; i < 7000; i++) {
+   Logging.log(randomBytes(50000).toString("hex"))
+}