syuilo
parent
1d582f5ad2
commit
51c53f64d0
1 changed files with 141 additions and 71 deletions
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@ -11,6 +11,7 @@ export default class Stream extends EventEmitter {
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private stream: ReconnectingWebsocket;
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private state: string;
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private buffer: any[];
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private sharedConnectionPools: Pool[] = [];
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private sharedConnections: SharedConnection[] = [];
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private nonSharedConnections: NonSharedConnection[] = [];
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@ -29,22 +30,21 @@ export default class Stream extends EventEmitter {
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}
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public useSharedConnection = (channel: string): SharedConnection => {
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const existConnection = this.sharedConnections.find(c => c.channel === channel);
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let pool = this.sharedConnectionPools.find(p => p.channel === channel);
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if (existConnection) {
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existConnection.use();
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return existConnection;
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} else {
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const connection = new SharedConnection(this, channel);
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connection.use();
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this.sharedConnections.push(connection);
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return connection;
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if (pool == null) {
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pool = new Pool(this, channel);
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this.sharedConnectionPools.push(pool);
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}
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const connection = new SharedConnection(this, channel, pool);
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this.sharedConnections.push(connection);
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return connection;
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}
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@autobind
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public removeSharedConnection(connection: SharedConnection) {
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this.sharedConnections = this.sharedConnections.filter(c => c.id !== connection.id);
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this.sharedConnections = this.sharedConnections.filter(c => c !== connection);
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}
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public connectToChannel = (channel: string, params?: any): NonSharedConnection => {
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@ -55,7 +55,7 @@ export default class Stream extends EventEmitter {
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@autobind
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public disconnectToChannel(connection: NonSharedConnection) {
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this.nonSharedConnections = this.nonSharedConnections.filter(c => c.id !== connection.id);
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this.nonSharedConnections = this.nonSharedConnections.filter(c => c !== connection);
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}
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/**
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@ -77,8 +77,8 @@ export default class Stream extends EventEmitter {
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// チャンネル再接続
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if (isReconnect) {
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this.sharedConnections.forEach(c => {
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c.connect();
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this.sharedConnectionPools.forEach(p => {
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p.connect();
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});
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this.nonSharedConnections.forEach(c => {
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c.connect();
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@ -104,8 +104,18 @@ export default class Stream extends EventEmitter {
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if (type == 'channel') {
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const id = body.id;
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const connection = this.sharedConnections.find(c => c.id === id) || this.nonSharedConnections.find(c => c.id === id);
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connection.emit(body.type, body.body);
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let connections: Connection[];
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connections = this.sharedConnections.filter(c => c.id === id);
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if (connections.length === 0) {
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connections = [this.nonSharedConnections.find(c => c.id === id)];
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}
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connections.filter(c => c != null).forEach(c => {
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c.emit(body.type, body.body);
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});
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} else {
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this.emit(type, body);
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}
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@ -140,19 +150,131 @@ export default class Stream extends EventEmitter {
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}
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}
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abstract class Connection extends EventEmitter {
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class Pool {
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public channel: string;
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public id: string;
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protected params: any;
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protected stream: Stream;
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private users = 0;
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private disposeTimerId: any;
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private isConnected = false;
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constructor(stream: Stream, channel: string, params?: any) {
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constructor(stream: Stream, channel: string) {
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this.channel = channel;
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this.stream = stream;
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this.id = Math.random().toString();
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}
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@autobind
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public inc() {
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if (this.users === 0 && !this.isConnected) {
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this.connect();
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}
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this.users++;
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// タイマー解除
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if (this.disposeTimerId) {
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clearTimeout(this.disposeTimerId);
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this.disposeTimerId = null;
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}
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}
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@autobind
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public dec() {
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this.users--;
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// そのコネクションの利用者が誰もいなくなったら
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if (this.users === 0) {
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// また直ぐに再利用される可能性があるので、一定時間待ち、
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// 新たな利用者が現れなければコネクションを切断する
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this.disposeTimerId = setTimeout(() => {
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this.disconnect();
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}, 3000);
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}
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}
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@autobind
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public connect() {
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this.isConnected = true;
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this.stream.send('connect', {
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channel: this.channel,
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id: this.id
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});
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}
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@autobind
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private disconnect() {
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this.isConnected = false;
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this.disposeTimerId = null;
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this.stream.send('disconnect', { id: this.id });
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}
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}
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abstract class Connection extends EventEmitter {
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public channel: string;
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protected stream: Stream;
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public abstract id: string;
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constructor(stream: Stream, channel: string) {
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super();
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this.stream = stream;
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this.channel = channel;
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}
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@autobind
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public send(id: string, typeOrPayload, payload?) {
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const type = payload === undefined ? typeOrPayload.type : typeOrPayload;
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const body = payload === undefined ? typeOrPayload.body : payload;
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this.stream.send('ch', {
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id: id,
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type: type,
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body: body
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});
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}
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public abstract dispose(): void;
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}
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class SharedConnection extends Connection {
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private pool: Pool;
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public get id(): string {
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return this.pool.id;
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}
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constructor(stream: Stream, channel: string, pool: Pool) {
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super(stream, channel);
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this.pool = pool;
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this.pool.inc();
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}
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@autobind
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public send(typeOrPayload, payload?) {
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super.send(this.pool.id, typeOrPayload, payload);
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}
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@autobind
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public dispose() {
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this.pool.dec();
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this.removeAllListeners();
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this.stream.removeSharedConnection(this);
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}
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}
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class NonSharedConnection extends Connection {
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public id: string;
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protected params: any;
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constructor(stream: Stream, channel: string, params?: any) {
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super(stream, channel);
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this.params = params;
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this.id = Math.random().toString();
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this.connect();
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}
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@ -167,59 +289,7 @@ abstract class Connection extends EventEmitter {
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@autobind
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public send(typeOrPayload, payload?) {
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const type = payload === undefined ? typeOrPayload.type : typeOrPayload;
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const body = payload === undefined ? typeOrPayload.body : payload;
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this.stream.send('ch', {
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id: this.id,
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type: type,
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body: body
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});
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}
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public abstract dispose(): void;
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}
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class SharedConnection extends Connection {
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private users = 0;
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private disposeTimerId: any;
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constructor(stream: Stream, channel: string) {
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super(stream, channel);
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}
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@autobind
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public use() {
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this.users++;
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// タイマー解除
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if (this.disposeTimerId) {
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clearTimeout(this.disposeTimerId);
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this.disposeTimerId = null;
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}
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}
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@autobind
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public dispose() {
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this.users--;
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// そのコネクションの利用者が誰もいなくなったら
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if (this.users === 0) {
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// また直ぐに再利用される可能性があるので、一定時間待ち、
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// 新たな利用者が現れなければコネクションを切断する
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this.disposeTimerId = setTimeout(() => {
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this.disposeTimerId = null;
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this.removeAllListeners();
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this.stream.send('disconnect', { id: this.id });
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this.stream.removeSharedConnection(this);
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}, 3000);
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}
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}
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}
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class NonSharedConnection extends Connection {
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constructor(stream: Stream, channel: string, params?: any) {
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super(stream, channel, params);
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super.send(this.id, typeOrPayload, payload);
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}
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@autobind
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