@sussudio/platform
Version:
Internal APIs for VS Code's service injection the base services.
133 lines (132 loc) • 4.17 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
var __decorate =
(this && this.__decorate) ||
function (decorators, target, key, desc) {
var c = arguments.length,
r = c < 3 ? target : desc === null ? (desc = Object.getOwnPropertyDescriptor(target, key)) : desc,
d;
if (typeof Reflect === 'object' && typeof Reflect.decorate === 'function')
r = Reflect.decorate(decorators, target, key, desc);
else
for (var i = decorators.length - 1; i >= 0; i--)
if ((d = decorators[i])) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __param =
(this && this.__param) ||
function (paramIndex, decorator) {
return function (target, key) {
decorator(target, key, paramIndex);
};
};
import { parse } from '@sussudio/base/common/path.mjs';
import { debounce, throttle } from '@sussudio/base/common/decorators.mjs';
import { Emitter } from '@sussudio/base/common/event.mjs';
import { Disposable } from '@sussudio/base/common/lifecycle.mjs';
import { listProcesses } from '@sussudio/base/node/ps.mjs';
import { ILogService } from '../../log/common/log.mjs';
export const ignoreProcessNames = [];
/**
* Monitors a process for child processes, checking at differing times depending on input and output
* calls into the monitor.
*/
let ChildProcessMonitor = class ChildProcessMonitor extends Disposable {
_pid;
_logService;
_isDisposed = false;
_hasChildProcesses = false;
set hasChildProcesses(value) {
if (this._hasChildProcesses !== value) {
this._hasChildProcesses = value;
this._logService.debug('ChildProcessMonitor: Has child processes changed', value);
this._onDidChangeHasChildProcesses.fire(value);
}
}
/**
* Whether the process has child processes.
*/
get hasChildProcesses() {
return this._hasChildProcesses;
}
_onDidChangeHasChildProcesses = this._register(new Emitter());
/**
* An event that fires when whether the process has child processes changes.
*/
onDidChangeHasChildProcesses = this._onDidChangeHasChildProcesses.event;
constructor(_pid, _logService) {
super();
this._pid = _pid;
this._logService = _logService;
}
dispose() {
this._isDisposed = true;
super.dispose();
}
/**
* Input was triggered on the process.
*/
handleInput() {
this._refreshActive();
}
/**
* Output was triggered on the process.
*/
handleOutput() {
this._refreshInactive();
}
async _refreshActive() {
if (this._isDisposed) {
return;
}
try {
const processItem = await listProcesses(this._pid);
this.hasChildProcesses = this._processContainsChildren(processItem);
} catch (e) {
this._logService.debug('ChildProcessMonitor: Fetching process tree failed', e);
}
}
_refreshInactive() {
this._refreshActive();
}
_processContainsChildren(processItem) {
// No child processes
if (!processItem.children) {
return false;
}
// A single child process, handle special cases
if (processItem.children.length === 1) {
const item = processItem.children[0];
let cmd;
if (item.cmd.startsWith(`"`)) {
cmd = item.cmd.substring(1, item.cmd.indexOf(`"`, 1));
} else {
const spaceIndex = item.cmd.indexOf(` `);
if (spaceIndex === -1) {
cmd = item.cmd;
} else {
cmd = item.cmd.substring(0, spaceIndex);
}
}
return ignoreProcessNames.indexOf(parse(cmd).name) === -1;
}
// Fallback, count child processes
return processItem.children.length > 0;
}
};
__decorate(
[debounce(1000 /* Constants.ActiveDebounceDuration */)],
ChildProcessMonitor.prototype,
'_refreshActive',
null,
);
__decorate(
[throttle(5000 /* Constants.InactiveThrottleDuration */)],
ChildProcessMonitor.prototype,
'_refreshInactive',
null,
);
ChildProcessMonitor = __decorate([__param(1, ILogService)], ChildProcessMonitor);
export { ChildProcessMonitor };