Files
vscode-codeql/extensions/ql-vscode/src/query-server/json-rpc-server.ts
2023-04-19 14:11:05 +00:00

36 lines
1.0 KiB
TypeScript

import { Logger } from "../common";
import * as cp from "child_process";
import { Disposable } from "vscode";
import { MessageConnection } from "vscode-jsonrpc";
/** A running query server process and its associated message connection. */
export class ServerProcess implements Disposable {
child: cp.ChildProcess;
connection: MessageConnection;
logger: Logger;
constructor(
child: cp.ChildProcess,
connection: MessageConnection,
private name: string,
logger: Logger,
) {
this.child = child;
this.connection = connection;
this.logger = logger;
}
dispose(): void {
void this.logger.log(`Stopping ${this.name}...`);
this.connection.dispose();
this.connection.end();
this.child.stdin!.end();
this.child.stderr!.destroy();
// TODO kill the process if it doesn't terminate after a certain time limit.
// On Windows, we usually have to terminate the process before closing its stdout.
this.child.stdout!.destroy();
void this.logger.log(`Stopped ${this.name}.`);
}
}