changed internal buffering of audio files to hopefully prevent memory problems
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424f9c4d82
commit
c0ffcbebb6
2 changed files with 49 additions and 18 deletions
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@ -14,12 +14,14 @@ class AudioServer {
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this.listen = config?.server?.listen || '0.0.0.0';
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this.port = 0;
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this.buffer = {
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file: file
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file: file,
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stream: fs.createReadStream(file),
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limit: (config?.audio.bufferlimit || 256) * 1048576
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};
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this.clients = [];
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this.sockets = [];
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this.playback = {
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position: 0
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position: undefined
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};
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this.server = net.createServer();
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this.#prepare();
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@ -49,10 +51,9 @@ class AudioServer {
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this.buffer.size = stats.size;
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this.buffer.threshold = (this.buffer.size / 100) / (!isNaN(config.audio?.threshold) || 30);
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this.#announceAudioServer();
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this.#bufferFile();
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}
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#handleEvents(socket) {
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#handleEvents() {
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eventparser.on('audio:register', (data) => {
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if (data?.clientId === undefined || data?.socket === undefined) {
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return;
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@ -150,11 +151,32 @@ class AudioServer {
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async #sendData(client) {
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const timestamp = Date.now();
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const buffer = await this.#waitForBuffer();
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return new Promise((resolve, reject) => {
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client.audiosocket.end(buffer, () => {
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const buffer = await this.#bufferFile();
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return new Promise(async (resolve, reject) => {
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this.buffer.written = 0;
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while (true) {
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if (this.buffer.stream.bytesRead === this.buffer.size && buffer.length === 0) {
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client.audiosocket.end(() => {
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logger.debug(client.getTag() + ' sent audio file \'' + this.buffer.file + '\' after ' + (Date.now() - timestamp) + 'ms...');
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});
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break;
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}
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if (buffer.length === 0) {
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this.buffer.stream.resume();
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await sleep(1);
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continue;
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}
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if (!this.buffer.stream.isPaused()) {
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this.buffer.stream.pause();
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}
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const tmp = buffer[0];
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buffer.shift();
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client.audiosocket.write(tmp);
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}
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// client.audiosocket.end(() => {
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// logger.debug(client.getTag() + ' sent audio file \'' + this.buffer.file + '\' after ' + (Date.now() - timestamp) + 'ms...');
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// });
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client.audiosocket.on('error', (error) => {
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logger.error(client.getTag() + ' encountered an error: ' + error);
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});
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@ -182,23 +204,31 @@ class AudioServer {
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}
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async #bufferFile() {
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return new Promise((resolve, reject) => {
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// const stream = fs.createReadStream(this.buffer.file);
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const buffer = await new Promise((resolve, reject) => {
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const timestamp = Date.now();
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const buffer = [];
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const stream = fs.createReadStream(this.buffer.file);
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stream.on('data', (data) => {
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let resolved = false;
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this.buffer.stream.on('data', (data) => {
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buffer.push(data);
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if (resolved !== true && this.buffer.stream.bytesRead >= this.buffer.threshold) {
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resolved = true;
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logger.debug('buffering threshold of ' + this.buffer.threshold + ' bytes for file \'' + this.buffer.file + '\' took ' + (Date.now() - timestamp) + 'ms');
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resolve(buffer);
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}
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});
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stream.on('close', () => {
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this.buffer.data = Buffer.concat(buffer);
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logger.debug('buffering file \'' + this.buffer.file + '\' took ' + (Date.now() - timestamp) + 'ms (size: ' + this.buffer.data.length + ' bytes)');
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resolve();
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this.buffer.stream.on('close', () => {
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// this.buffer.data = Buffer.concat(buffer);
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logger.debug('buffering file \'' + this.buffer.file + '\' took ' + (Date.now() - timestamp) + 'ms (size: ' + this.buffer.stream.bytesRead + ' bytes)');
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// resolve();
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});
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stream.on('error', (error) => {
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this.buffer.stream.on('error', (error) => {
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// TODO: handle with try/catch
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reject(error);
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});
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});
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return buffer;
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}
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#getClientById(clientId) {
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@ -22,6 +22,7 @@
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"password": "kannon"
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},
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"audio": {
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"threshold": 10
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"threshold": 10,
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"bufferlimit": 128
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}
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}
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