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chore: websocket

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手瓜一十雪 2024-08-11 00:08:52 +08:00
parent 832635d6f5
commit a2ad39f78d
1 changed files with 47 additions and 21 deletions
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68
src/onebot/network/active-websocket.ts
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@ -1,18 +1,16 @@
import { IOB11NetworkAdapter, OB11EmitEventContent } from '@/onebot/network/index';
import { WebSocket as NodeWebSocket } from 'ws';
import BaseAction from '@/onebot/action/BaseAction';
import { OB11BaseEvent } from '@/onebot/event/OB11BaseEvent';
import { sleep } from '@/common/utils/helper';
export class OB11ActiveWebSocketAdapter implements IOB11NetworkAdapter {
url: string;
reconnectIntervalInMillis: number;
isClosed: boolean = false;
private connection: NodeWebSocket | null = null;
private actionMap: Map<string, BaseAction<any, any>> = new Map();
heartbeatInterval: number;
private heartbeatTimer: NodeJS.Timeout | null = null;
constructor(url: string, reconnectIntervalInMillis: number, heartbeatInterval: number) {
this.url = url;
@ -21,7 +19,14 @@ export class OB11ActiveWebSocketAdapter implements IOB11NetworkAdapter {
}
registerHeartBeat() {
//WS反向心跳
// WS反向心跳
if (this.connection) {
this.heartbeatTimer = setInterval(() => {
if (this.connection && this.connection.readyState === NodeWebSocket.OPEN) {
this.connection.ping();
}
}, this.heartbeatInterval);
}
}
registerAction<T extends BaseAction<P, R>, P, R>(action: T) {
@ -30,9 +35,8 @@ export class OB11ActiveWebSocketAdapter implements IOB11NetworkAdapter {
onEvent<T extends OB11EmitEventContent>(event: T) {
if (this.connection) {
// this.connection.send(JSON.stringify(event));
// TODO: wrap the event, and send the wrapped to the server.
// TODO: consider using a utility function
const wrappedEvent = this.wrapEvent(event);
this.connection.send(JSON.stringify(wrappedEvent));
}
}
@ -44,37 +48,59 @@ export class OB11ActiveWebSocketAdapter implements IOB11NetworkAdapter {
}
close() {
this.isClosed = true;
if (this.isClosed) {
throw new Error('Cannot close a closed WebSocket connection');
}
this.isClosed = true;
if (this.connection) {
this.connection.close();
this.connection = null;
}
if (this.heartbeatTimer) {
clearInterval(this.heartbeatTimer);
this.heartbeatTimer = null;
}
}
private async tryConnect() {
while (!this.connection) {
try {
this.connection = new NodeWebSocket(this.url);
this.connection.on('message', (data) => {
this.handleMessage(data);
});
this.connection.once('close', () => {
if (!this.isClosed) {
this.connection = null;
setTimeout(() => this.tryConnect(), this.reconnectIntervalInMillis);
}
});
this.registerHeartBeat();
} catch (e) {
this.connection = null;
console.error('Failed to connect to the server, retrying in 5 seconds...');
await sleep(5000);
}
}
this.connection.on('message', (data) => {
// TODO: extract action name and payload from the message, then call the corresponding action.
// TODO: consider using a utility function
});
this.connection.once('close', () => {
if (!this.isClosed) {
this.connection = new NodeWebSocket(this.url);
this.tryConnect();
}
});
}
}
private handleMessage(data: any) {
try {
const message = JSON.parse(data);
const action = this.actionMap.get(message.actionName);
if (action) {
action.handle(message.payload);
}
} catch (e) {
console.error('Failed to handle message:', e);
}
}
private wrapEvent<T extends OB11EmitEventContent>(event: T) {
// Wrap the event as needed
return {
type: 'event',
data: event
};
}
}