Processes get cleaned up when process quits

dist/fd/index.d.ts

@@ -62,5 +62,6 @@ export declare class FD {
     stop(image: string): Promise<fdResult>;
     isConnected(): boolean;
     private test;
+    exit(): Promise<void>;
 }
 export type { Action, Mode, fdOutgoingPosition, fdOutgoingMessage, fdIncomingMessage, fdResult };

dist/fd/index.js

@@ -26,6 +26,8 @@ var Mode;
 })(Mode || (Mode = {}));
 class FD {
     constructor(bin, width, height, host, port, mock = false) {
+        this.shell = null;
+        this.client = null;
         this.socketAvailable = false;
         this.socketConnected = false;
         this.waiting = null;
@@ -104,7 +106,7 @@ class FD {
     send(msg) {
         const json = JSON.stringify(msg);
         this.log.info(json);
-        if (!this.mock)
+        if (!this.mock && this.client !== null)
             this.client.write(json);
     }
     receive(json) {
@@ -243,6 +245,12 @@ class FD {
         this.log.warn('QUITTING!!!!');
         process.exit();
     }
+    async exit() {
+        if (this.client !== null)
+            this.client.end();
+        if (this.shell !== null)
+            this.shell.kill();
+    }
 }
 exports.FD = FD;
 module.exports = { FD };

dist/files/index.js

@@ -17,7 +17,8 @@ const imageExtensions = [
     '.png',
     '.tif',
     '.tiff',
-    '.bmp'
+    '.bmp',
+    '.dpx'
 ];
 class Files {
     static async init(sequencesDir) {
@@ -106,7 +107,6 @@ class Files {
                 if (!await this.isSequence(dirPath)) {
                     continue;
                 }
-                console.log(`Adding ${dirPath}`);
                 dirs.push({
                     created: +stats.birthtime,
                     path: dirPath,
@@ -131,7 +131,6 @@ class Files {
         catch (err) {
             //
         }
-        console.dir(`${dirPath} ${all.length}`);
         for (let elem of all) {
             filePath = (0, path_1.join)(dirPath, elem);
             try {
@@ -141,7 +140,6 @@ class Files {
                 //
             }
             if (stats.isFile() && elem.substring(0, 1) !== '.' && imageExtensions.indexOf((0, path_1.extname)((0, path_1.basename)(elem).toLowerCase())) !== -1) {
-                console.log(`Has file ${filePath}`);
                 sequence = true;
                 break;
             }

dist/image/index.d.ts

@@ -1,10 +1,14 @@
 /// <reference types="node" />
 export declare class Image {
+    private prefix;
     private thumbnailCache;
     private thumbnailHash;
     private blankCache;
     private blankHash;
+    private tmp;
     constructor();
+    private mktemp;
+    private dpx2png;
     thumbnail(path: string, width: number, height: number): Promise<Buffer>;
     blank(width: number, height: number): Promise<Buffer>;
 }

dist/image/index.js

@@ -6,16 +6,64 @@ Object.defineProperty(exports, "__esModule", { value: true });
 exports.Image = void 0;
 const sharp_1 = __importDefault(require("sharp"));
 const hash_1 = require("../hash");
+const path_1 = require("path");
+const os_1 = require("os");
+const promises_1 = require("fs/promises");
+const shell_1 = require("../shell");
 class Image {
     constructor() {
+        this.prefix = 'fm_thumbs';
         this.thumbnailCache = null;
         this.thumbnailHash = null;
         this.blankCache = null;
         this.blankHash = null;
+        this.tmp = null;
+        if (this.tmp === null) {
+            this.tmp = (0, os_1.tmpdir)();
+        }
+    }
+    async mktemp(ext = '.png') {
+        const randomString = Math.random().toString(36).slice(2);
+        const tempPath = (0, path_1.join)(this.tmp, this.prefix, randomString + `.${ext}`);
+        try {
+            await (0, promises_1.mkdir)((0, path_1.join)(this.tmp, this.prefix));
+        }
+        catch (err) {
+            //
+        }
+        return tempPath;
+    }
+    async dpx2png(input, output) {
+        let dpx = null;
+        const args = [
+            'convert',
+            input,
+            '-colorspace', 'RGB',
+            '-depth', '8',
+            output
+        ];
+        const shell = new shell_1.Shell(args, null, null, null, true);
+        try {
+            await shell.execute();
+        }
+        catch (err) {
+            //
+        }
     }
     async thumbnail(path, width, height) {
         const hash = hash_1.Hashes.stringHash(`${path},${width},${height}`);
+        let newPath = null;
         if (hash !== this.thumbnailHash) {
+            if ((0, path_1.extname)(path).toLowerCase() === '.dpx') {
+                try {
+                    newPath = await this.mktemp('png');
+                    await this.dpx2png(path, newPath);
+                    path = newPath;
+                }
+                catch (err) {
+                    //
+                }
+            }
             const options = {
                 width,
                 height,
@@ -23,6 +71,14 @@ class Image {
             };
             this.thumbnailCache = await (0, sharp_1.default)(path).resize(options).jpeg().toBuffer();
             this.thumbnailHash = hash;
+            if (newPath !== null) {
+                try {
+                    await (0, promises_1.unlink)(newPath);
+                }
+                catch (err) {
+                    //
+                }
+            }
         }
         return this.thumbnailCache;
     }

dist/image/index.js.map

@@ -1 +1 @@
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+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/image/index.ts"],"names":[],"mappings":";;;;;;AAAA,kDAA0B;AAE1B,kCAAiC;AACjC,+BAAqC;AACrC,2BAA4B;AAC5B,0CAA4C;AAC5C,oCAAiC;AAEjC,MAAa,KAAK;IAQjB;QAPQ,WAAM,GAAY,WAAW,CAAC;QAC9B,mBAAc,GAAY,IAAI,CAAC;QAC/B,kBAAa,GAAY,IAAI,CAAC;QAC9B,eAAU,GAAY,IAAI,CAAC;QAC3B,cAAS,GAAY,IAAI,CAAC;QAC1B,QAAG,GAAY,IAAI,CAAC;QAG3B,IAAI,IAAI,CAAC,GAAG,KAAK,IAAI,EAAE,CAAC;YACvB,IAAI,CAAC,GAAG,GAAG,IAAA,WAAM,GAAE,CAAC;QACrB,CAAC;IACF,CAAC;IAEO,KAAK,CAAC,MAAM,CAAE,MAAe,MAAM;QAC1C,MAAM,YAAY,GAAY,IAAI,CAAC,MAAM,EAAE,CAAC,QAAQ,CAAC,EAAE,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;QAClE,MAAM,QAAQ,GAAY,IAAA,WAAI,EAAC,IAAI,CAAC,GAAG,EAAE,IAAI,CAAC,MAAM,EAAE,YAAY,GAAG,IAAI,GAAG,EAAE,CAAC,CAAC;QAEhF,IAAI,CAAC;YACJ,MAAM,IAAA,gBAAK,EAAC,IAAA,WAAI,EAAC,IAAI,CAAC,GAAG,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC;QAC1C,CAAC;QAAC,OAAO,GAAG,EAAE,CAAC;YACd,EAAE;QACH,CAAC;QACD,OAAO,QAAQ,CAAC;IACjB,CAAC;IAEO,KAAK,CAAC,OAAO,CAAE,KAAc,EAAE,MAAe;QACrD,IAAI,GAAG,GAAS,IAAI,CAAC;QACrB,MAAM,IAAI,GAAc;YACvB,SAAS;YACT,KAAK;YACL,aAAa,EAAG,KAAK;YACrB,QAAQ,EAAE,GAAG;YACb,MAAM;SACN,CAAC;QACF,MAAM,KAAK,GAAW,IAAI,aAAK,CAAC,IAAI,EAAE,IAAI,EAAE,IAAI,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;QAC9D,IAAI,CAAC;YACJ,MAAM,KAAK,CAAC,OAAO,EAAE,CAAC;QACvB,CAAC;QAAC,OAAO,GAAG,EAAE,CAAC;YACd,EAAE;QACH,CAAC;IACF,CAAC;IAEM,KAAK,CAAC,SAAS,CAAE,IAAa,EAAE,KAAc,EAAE,MAAc;QACpE,MAAM,IAAI,GAAY,aAAM,CAAC,UAAU,CAAC,GAAG,IAAI,IAAI,KAAK,IAAI,MAAM,EAAE,CAAC,CAAC;QACtE,IAAI,OAAO,GAAY,IAAI,CAAC;QAC5B,IAAI,IAAI,KAAK,IAAI,CAAC,aAAa,EAAE,CAAC;YACjC,IAAI,IAAA,cAAO,EAAC,IAAI,CAAC,CAAC,WAAW,EAAE,KAAK,MAAM,EAAE,CAAC;gBAC5C,IAAI,CAAC;oBACJ,OAAO,GAAG,MAAM,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;oBACnC,MAAM,IAAI,CAAC,OAAO,CAAC,IAAI,EAAE,OAAO,CAAC,CAAC;oBAClC,IAAI,GAAG,OAAO,CAAC;gBAChB,CAAC;gBAAC,OAAO,GAAG,EAAE,CAAC;oBACd,EAAE;gBACH,CAAC;YACF,CAAC;YACD,MAAM,OAAO,GAAmB;gBAC/B,KAAK;gBACL,MAAM;gBACN,GAAG,EAAE,eAAK,CAAC,GAAG,CAAC,IAAI;aACnB,CAAA;YACD,IAAI,CAAC,cAAc,GAAG,MAAM,IAAA,eAAK,EAAC,IAAI,CAAC,CAAC,MAAM,CAAC,OAAO,CAAC,CAAC,IAAI,EAAE,CAAC,QAAQ,EAAE,CAAC;YAC1E,IAAI,CAAC,aAAa,GAAG,IAAI,CAAC;YAC1B,IAAI,OAAO,KAAK,IAAI,EAAE,CAAC;gBACtB,IAAI,CAAC;oBACJ,MAAM,IAAA,iBAAM,EAAC,OAAO,CAAC,CAAC;gBACvB,CAAC;gBAAC,OAAO,GAAG,EAAE,CAAC;oBACd,EAAE;gBACH,CAAC;YACF,CAAC;QACF,CAAC;QACD,OAAO,IAAI,CAAC,cAAc,CAAC;IAC5B,CAAC;IAEM,KAAK,CAAC,KAAK,CAAE,KAAc,EAAE,MAAe;QAClD,MAAM,IAAI,GAAY,aAAM,CAAC,UAAU,CAAC,GAAG,KAAK,IAAI,MAAM,EAAE,CAAC,CAAC;QAC9D,IAAI,IAAI,KAAK,IAAI,CAAC,SAAS,EAAE,CAAC;YAC7B,MAAM,OAAO,GAAkB;gBAC9B,MAAM,EAAE;oBACP,KAAK;oBACL,MAAM;oBACN,QAAQ,EAAE,CAAC;oBACX,UAAU,EAAE,EAAE,CAAC,EAAE,GAAG,EAAE,CAAC,EAAE,GAAG,EAAE,CAAC,EAAE,GAAG,EAAE;iBACtC;aACD,CAAC;YACF,IAAI,CAAC,UAAU,GAAG,MAAM,IAAA,eAAK,EAAC,OAAO,CAAC,CAAC,IAAI,EAAE,CAAC,QAAQ,EAAE,CAAC;YACzD,IAAI,CAAC,SAAS,GAAG,IAAI,CAAC;QACvB,CAAC;QACD,OAAO,IAAI,CAAC,UAAU,CAAC;IACxB,CAAC;CACD;AA1FD,sBA0FC;AAED,MAAM,CAAC,OAAO,GAAG,EAAE,KAAK,EAAE,CAAC"}

dist/index.js

@@ -480,4 +480,28 @@ async function main() {
     setInterval(keepAlive, 30000);
 }
 main();
+process.stdin.resume(); // so the program will not close instantly
+async function exitHandler(options, exitCode) {
+    if (options.cleanup) {
+        log.info(`Cleaning up...`);
+        try {
+            await fd.exit();
+        }
+        catch (err) {
+            log.error('Error cleanly exiting filmout_display (fd) executable', err);
+        }
+    }
+    exitCode == 'SIGINT' ? log.info(`exit: ${exitCode}`) : log.error(`exit: ${exitCode}`, new Error(`Exited with non-zero code: "${exitCode}"`));
+    if (options.exit)
+        process.exit();
+}
+// do something when app is closing
+process.on('exit', exitHandler.bind(null, { cleanup: true }));
+// catches ctrl+c event
+process.on('SIGINT', exitHandler.bind(null, { exit: true }));
+// catches "kill pid" (for example: nodemon restart)
+process.on('SIGUSR1', exitHandler.bind(null, { exit: true }));
+process.on('SIGUSR2', exitHandler.bind(null, { exit: true }));
+// catches uncaught exceptions
+process.on('uncaughtException', exitHandler.bind(null, { exit: true }));
 //# sourceMappingURL=index.js.map

src/fd/index.ts

@@ -56,9 +56,9 @@ export class FD {
 	private height : number;
 	private host : string;
 	private port : number;
-	private shell : Shell;
+	private shell : Shell = null;
 	private log : Logger;
-	private client : Socket;
+	private client : Socket = null;
 	private socketAvailable : boolean = false;
 	private socketConnected : boolean = false;
 
@@ -145,7 +145,7 @@ export class FD {
 	private send (msg : fdOutgoingMessage) {
 		const json : string = JSON.stringify(msg);
 		this.log.info(json);
-		if (!this.mock) this.client.write(json);
+		if (!this.mock && this.client !== null) this.client.write(json);
 	}
 
 	private receive (json : string) {
@@ -292,6 +292,11 @@ export class FD {
 		this.log.warn('QUITTING!!!!');
 		process.exit();
 	}
+
+	public async exit () {
+		if (this.client !== null) this.client.end();
+		if (this.shell !== null) this.shell.kill();
+	}
 }
 
 module.exports = { FD };

src/files/index.ts

@@ -37,7 +37,8 @@ const imageExtensions : string[] = [
 	'.png',
 	'.tif',
 	'.tiff',
-	'.bmp'
+	'.bmp',
+	'.dpx'
 ];
 
 export class Files {

src/image/index.ts

@@ -1,18 +1,67 @@
 import sharp from 'sharp';
 import type { SharpOptions, ResizeOptions } from 'sharp';
 import { Hashes } from '../hash';
+import { join, extname } from 'path';
+import { tmpdir } from 'os';
+import { mkdir, unlink } from 'fs/promises';
+import { Shell } from '../shell';
 
 export class Image {
+	private prefix : string = 'fm_thumbs';
 	private thumbnailCache : Buffer = null;
 	private thumbnailHash : string = null;
 	private blankCache : Buffer = null;
 	private blankHash : string = null;
-	constructor () {
+	private tmp : string = null;
 
+	constructor () {
+		if (this.tmp === null) {
+			this.tmp = tmpdir();
 		}
+	}
+
+	private async mktemp (ext : string = '.png') : Promise<string> {
+		const randomString : string = Math.random().toString(36).slice(2);
+		const tempPath : string = join(this.tmp, this.prefix, randomString + `.${ext}`);
+
+		try {
+			await mkdir(join(this.tmp, this.prefix));
+		} catch (err) {
+			//
+		}
+		return tempPath;
+	}
+
+	private async dpx2png (input : string, output : string) {
+		let dpx : any = null;
+		const args : string[] = [
+			'convert',
+			input,
+			'-colorspace',  'RGB',
+			'-depth', '8',
+			output
+		];
+		const shell : Shell = new Shell(args, null, null, null, true);
+		try {
+			await shell.execute();
+		} catch (err) {
+			//
+		}
+	}
+
 	public async thumbnail (path : string, width : number, height: number) : Promise<Buffer>{
 		const hash : string = Hashes.stringHash(`${path},${width},${height}`);
+		let newPath : string = null;
 		if (hash !== this.thumbnailHash) {
+			if (extname(path).toLowerCase() === '.dpx') {
+				try {
+					newPath = await this.mktemp('png');
+					await this.dpx2png(path, newPath);
+					path = newPath;
+				} catch (err) {
+					//
+				}
+			}
 			const options : ResizeOptions = {
 				width,
 				height,
@@ -20,6 +69,13 @@ export class Image {
 			}
 			this.thumbnailCache = await sharp(path).resize(options).jpeg().toBuffer();
 			this.thumbnailHash = hash;
+			if (newPath !== null) {
+				try {
+					await unlink(newPath);
+				} catch (err) {
+					//
+				}
+			}
 		}
 		return this.thumbnailCache;
 	}

src/index.ts

@@ -485,3 +485,31 @@ async function main () {
 
 
 main();
+
+process.stdin.resume(); // so the program will not close instantly
+
+async function exitHandler(options : any, exitCode : string) {
+    if (options.cleanup) {
+    	log.info(`Cleaning up...`);
+    	try {
+    		await fd.exit();
+    	} catch (err) {
+    		log.error('Error cleanly exiting filmout_display (fd) executable', err);
+    	}
+    }
+    exitCode == 'SIGINT' ? log.info(`exit: ${exitCode}`) : log.error(`exit: ${exitCode}`, new Error(`Exited with non-zero code: "${exitCode}"`));
+    if (options.exit) process.exit();
+}
+
+// do something when app is closing
+process.on('exit', exitHandler.bind(null,{cleanup:true}));
+
+// catches ctrl+c event
+process.on('SIGINT', exitHandler.bind(null, {exit:true}));
+
+// catches "kill pid" (for example: nodemon restart)
+process.on('SIGUSR1', exitHandler.bind(null, {exit:true}));
+process.on('SIGUSR2', exitHandler.bind(null, {exit:true}));
+
+// catches uncaught exceptions
+process.on('uncaughtException', exitHandler.bind(null, {exit:true}));