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mitv.ts
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mitv.ts
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import url from 'url';
import http from 'http';
import { Logger } from 'homebridge';
export interface ApiAdapter {
uri(): string;
query(): { [key: string]: string };
// result()
/**
*
* @param data
*/
setResult(data);
}
export class AlivedAdapter implements ApiAdapter {
uri(): string {
return '/request';
}
query(): { [key: string]: string } {
return {
'action': 'isalive',
};
}
setResult(data) {
if (typeof data.msg === 'undefined') {
return;
}
if (data.msg !== 'success') {
return;
}
return;
}
}
export class EventKeyAdapter implements ApiAdapter {
private data;
constructor(public readonly keyCode: string) {
}
uri(): string {
return '/controller';
}
query(): { [key: string]: string } {
return {
'action': 'keyevent',
'keycode': this.keyCode,
};
}
setResult(data) {
if (typeof data.msg === 'undefined') {
return;
}
if (data.msg !== 'success') {
return;
}
return;
}
}
export class CheckSourceAdapter implements ApiAdapter {
constructor(public readonly source: string) {
}
uri(): string {
return '/controller';
}
query(): { [key: string]: string } {
return {
'action': 'changesource',
'source': this.source,
};
}
setResult(data) {
if (typeof data.msg === 'undefined') {
return;
}
if (data.msg !== 'success') {
return;
}
return;
}
}
async function requestData(urlObj, timeout): Promise<string> {
timeout = timeout || 1000;
return new Promise((resolve, reject) => {
urlObj.timeout = timeout;
// create a request
const request = http.request(urlObj, response => {
// your callback here
response.on('data', (data) => {
resolve(data.toString());
});
});
request.on('error', error => {
reject(error);
});
// use its "timeout" event to abort the request
request.on('timeout', () => {
request.destroy();
reject(new Error('timeout'));
});
request.end();
});
}
export class MIApiClient {
constructor(
public readonly ip: string,
public readonly port: number,
public readonly logger: Logger,
) {
}
/**
*
* @param adaptor
*/
async exec(adaptor: ApiAdapter) {
// url
const urlObj = new url.URL('http://' + this.ip);
urlObj.port = this.port.toString();
urlObj.pathname = adaptor.uri();
const query = urlObj.searchParams;
const queryObj = adaptor.query();
for (const k in queryObj) {
query.set(k, queryObj[k]);
}
urlObj.search = query.toString();
try {
this.logger.debug('miapi request: [', urlObj.toString(), ']');
const response = await requestData(urlObj, 500);
const data = JSON.parse(response);
this.logger.debug('request respose: ', data);
if (!data || typeof data.status === 'undefined') {
throw new Error('api error');
}
//
if (data.status !== 0) {
throw new Error('api error');
}
if (typeof data.data === 'undefined') {
data['data'] = {};
data['msg'] = 'unknow error';
}
adaptor.setResult(data.data);
} catch (error) {
if (error instanceof Error) {
throw error;
} else {
throw new Error('unknow error');
}
}
}
}