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Allow extensions to provide a port forwarding implementation.

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Part of #81388
This commit is contained in:
Alex Ross
2019-12-16 16:20:05 +01:00
parent c11a0c1300
commit 92a83fb895
9 changed files with 182 additions and 33 deletions
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73
src/vs/workbench/api/node/extHostTunnelService.ts
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@@ -6,18 +6,37 @@
import { MainThreadTunnelServiceShape, MainContext } from 'vs/workbench/api/common/extHost.protocol';
import { IExtHostRpcService } from 'vs/workbench/api/common/extHostRpcService';
import * as vscode from 'vscode';
import { Disposable } from 'vs/base/common/lifecycle';
import { Disposable, IDisposable, toDisposable } from 'vs/base/common/lifecycle';
import { IExtHostInitDataService } from 'vs/workbench/api/common/extHostInitDataService';
import { URI } from 'vs/base/common/uri';
import { exec } from 'child_process';
import * as resources from 'vs/base/common/resources';
import * as fs from 'fs';
import { isLinux } from 'vs/base/common/platform';
import { IExtHostTunnelService, TunnelOptions } from 'vs/workbench/api/common/extHostTunnelService';
import { IExtHostTunnelService, TunnelOptions, TunnelDto } from 'vs/workbench/api/common/extHostTunnelService';
import { asPromise } from 'vs/base/common/async';
import { Event, Emitter } from 'vs/base/common/event';
class ExtensionTunnel implements vscode.Tunnel {
private _onDispose: Emitter<void> = new Emitter();
onDispose: Event<void> = this._onDispose.event;
constructor(
public readonly remote: { port: number; host: string; },
public readonly localAddress: string,
private readonly _dispose: () => void) { }
dispose(): void {
this._onDispose.fire();
this._dispose();
}
}
export class ExtHostTunnelService extends Disposable implements IExtHostTunnelService {
readonly _serviceBrand: undefined;
private readonly _proxy: MainThreadTunnelServiceShape;
private _forwardPortProvider: ((tunnelOptions: TunnelOptions) => Thenable<vscode.Tunnel> | undefined) | undefined;
private _extensionTunnels: Map<string, Map<number, vscode.Tunnel>> = new Map();
constructor(
@IExtHostRpcService extHostRpc: IExtHostRpcService,
@@ -32,13 +51,9 @@ export class ExtHostTunnelService extends Disposable implements IExtHostTunnelSe
async makeTunnel(forward: TunnelOptions): Promise<vscode.Tunnel | undefined> {
const tunnel = await this._proxy.$openTunnel(forward);
if (tunnel) {
const disposableTunnel: vscode.Tunnel = {
remote: tunnel.remote,
localAddress: tunnel.localAddress,
dispose: () => {
return this._proxy.$closeTunnel(tunnel.remote.port);
}
};
const disposableTunnel: vscode.Tunnel = new ExtensionTunnel(tunnel.remote, tunnel.localAddress, () => {
return this._proxy.$closeTunnel(tunnel.remote.port);
});
this._register(disposableTunnel);
return disposableTunnel;
}
@@ -49,6 +64,46 @@ export class ExtHostTunnelService extends Disposable implements IExtHostTunnelSe
return this._proxy.$registerCandidateFinder();
}
async setForwardPortProvider(provider: vscode.RemoteAuthorityResolver | undefined): Promise<IDisposable> {
if (provider && provider.forwardPort) {
this._forwardPortProvider = provider.forwardPort;
await this._proxy.$setTunnelProvider();
} else {
this._forwardPortProvider = undefined;
}
return toDisposable(() => {
this._forwardPortProvider = undefined;
});
}
async $closeTunnel(remote: { host: string, port: number }): Promise<void> {
if (this._extensionTunnels.has(remote.host)) {
const hostMap = this._extensionTunnels.get(remote.host)!;
if (hostMap.has(remote.port)) {
hostMap.get(remote.port)!.dispose();
hostMap.delete(remote.port);
}
}
}
$forwardPort(tunnelOptions: TunnelOptions): Promise<TunnelDto> | undefined {
if (this._forwardPortProvider) {
const providedPort = this._forwardPortProvider!(tunnelOptions);
if (providedPort !== undefined) {
return asPromise(() => providedPort).then(tunnel => {
if (!this._extensionTunnels.has(tunnelOptions.remote.host)) {
this._extensionTunnels.set(tunnelOptions.remote.host, new Map());
}
this._extensionTunnels.get(tunnelOptions.remote.host)!.set(tunnelOptions.remote.port, tunnel);
this._register(tunnel.onDispose(() => this._proxy.$closeTunnel(tunnel.remote.port)));
return Promise.resolve(TunnelDto.fromApiTunnel(tunnel));
});
}
}
return undefined;
}
async $findCandidatePorts(): Promise<{ port: number, detail: string }[]> {
if (!isLinux) {
return [];