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Add channels

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This commit is contained in:
Asher 2019-06-28 17:37:23 -05:00
parent 4861405683
commit 68fe085aa3
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6 changed files with 261 additions and 36 deletions
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137
channel.ts Normal file
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@ -0,0 +1,137 @@
import * as path from "path";
import { Emitter, Event } from "vs/base/common/event";
import { OS } from "vs/base/common/platform";
import { URI } from "vs/base/common/uri";
import { IServerChannel } from "vs/base/parts/ipc/common/ipc";
import { IDiagnosticInfo } from "vs/platform/diagnostics/common/diagnosticsService";
import { IEnvironmentService } from "vs/platform/environment/common/environment";
import { FileDeleteOptions, FileOverwriteOptions, FileType, IStat, IWatchOptions, FileOpenOptions } from "vs/platform/files/common/files";
import { IRemoteAgentEnvironment } from "vs/platform/remote/common/remoteAgentEnvironment";
/**
* See: src/vs/platform/remote/common/remoteAgentFileSystemChannel.ts.
*/
export class FileProviderChannel implements IServerChannel {
public listen(_context: any, event: string): Event<any> {
switch (event) {
case "filechange":
// TODO: not sure what to do here yet
return new Emitter().event;
}
throw new Error(`Invalid listen "${event}"`);
}
public call(_: unknown, command: string, args?: any): Promise<any> {
console.log("got call", command, args);
switch (command) {
case "stat": return this.stat(args[0]);
case "open": return this.open(args[0], args[1]);
case "close": return this.close(args[0]);
case "read": return this.read(args[0], args[1], args[2], args[3], args[4]);
case "write": return this.write(args[0], args[1], args[2], args[3], args[4]);
case "delete": return this.delete(args[0], args[1]);
case "mkdir": return this.mkdir(args[0]);
case "readdir": return this.readdir(args[0]);
case "rename": return this.rename(args[0], args[1], args[2]);
case "copy": return this.copy(args[0], args[1], args[2]);
case "watch": return this.watch(args[0], args[1]);
case "unwatch": return this.unwatch(args[0]), args[1];
}
throw new Error(`Invalid call "${command}"`);
}
private async stat(resource: URI): Promise<IStat> {
throw new Error("not implemented");
}
private async open(resource: URI, opts: FileOpenOptions): Promise<number> {
throw new Error("not implemented");
}
private async close(fd: number): Promise<void> {
throw new Error("not implemented");
}
private async read(fd: number, pos: number, data: Uint8Array, offset: number, length: number): Promise<number> {
throw new Error("not implemented");
}
private async write(fd: number, pos: number, data: Uint8Array, offset: number, length: number): Promise<number> {
throw new Error("not implemented");
}
private async delete(resource: URI, opts: FileDeleteOptions): Promise<void> {
throw new Error("not implemented");
}
private async mkdir(resource: URI): Promise<void> {
throw new Error("not implemented");
}
private async readdir(resource: URI): Promise<[string, FileType][]> {
throw new Error("not implemented");
}
private async rename(resource: URI, target: URI, opts: FileOverwriteOptions): Promise<void> {
throw new Error("not implemented");
}
private copy(resource: URI, target: URI, opts: FileOverwriteOptions): Promise<void> {
throw new Error("not implemented");
}
private watch(resource: URI, opts: IWatchOptions): Promise<void> {
throw new Error("not implemented");
}
private unwatch(resource: URI): void {
throw new Error("not implemented");
}
}
/**
* See: src/vs/workbench/services/remote/common/remoteAgentEnvironmentChannel.ts.
*/
export class ExtensionEnvironmentChannel implements IServerChannel {
public constructor(private readonly environment: IEnvironmentService) {}
public listen(_context: any, event: string): Event<any> {
throw new Error(`Invalid listen "${event}"`);
}
public call(_: unknown, command: string, args?: any): Promise<any> {
switch (command) {
case "getEnvironmentData": return this.getEnvironmentData();
case "getDiagnosticInfo": return this.getDiagnosticInfo();
case "disableTelemetry": return this.disableTelemetry();
}
throw new Error(`Invalid call "${command}"`);
}
private async getEnvironmentData(): Promise<IRemoteAgentEnvironment> {
return {
pid: process.pid,
appRoot: URI.file(this.environment.appRoot),
appSettingsHome: this.environment.appSettingsHome,
settingsPath: this.environment.machineSettingsHome,
logsPath: URI.file(this.environment.logsPath),
extensionsPath: URI.file(this.environment.extensionsPath),
extensionHostLogsPath: URI.file(path.join(this.environment.logsPath, "extension-host")), // TODO
globalStorageHome: URI.file(this.environment.globalStorageHome),
userHome: URI.file(this.environment.userHome),
extensions: [], // TODO
os: OS,
};
}
private getDiagnosticInfo(): Promise<IDiagnosticInfo> {
throw new Error("not implemented");
}
private disableTelemetry(): Promise<void> {
throw new Error("not implemented");
}
}

53
connection.ts
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@ -1,27 +1,68 @@
import { ClientConnectionEvent } from "vs/base/parts/ipc/common/ipc";
import { ConnectionType } from "vs/platform/remote/common/remoteAgentConnection";
import { Emitter } from "vs/base/common/event";
import { PersistentProtocol, ISocket } from "vs/base/parts/ipc/common/ipc.net";
import { VSBuffer } from "vs/base/common/buffer";
export interface Server {
readonly _onDidClientConnect: Emitter<ClientConnectionEvent>;
readonly connections: Map<ConnectionType, Map<string, Connection>>;
}
export abstract class Connection {
protected readonly _onClose = new Emitter<void>();
private readonly _onClose = new Emitter<void>();
public readonly onClose = this._onClose.event;
public constructor(private readonly protocol: PersistentProtocol) {
private timeout: NodeJS.Timeout | undefined;
private readonly wait = 1000 * 60 * 60;
public constructor(
protected readonly server: Server,
private readonly protocol: PersistentProtocol,
) {
// onClose seems to mean we want to disconnect, so dispose immediately.
this.protocol.onClose(() => this.dispose());
// If the socket closes, we want to wait before disposing so we can
// reconnect.
this.protocol.onSocketClose(() => {
// TODO: eventually we'll want to clean up the connection if nothing
// ever connects back to it
this.timeout = setTimeout(() => {
this.dispose();
}, this.wait);
});
}
/**
* Completely close and clean up the connection. Should only do this once we
* don't need or want the connection. It cannot be re-used after this.
*/
public dispose(): void {
this.protocol.sendDisconnect();
this.protocol.getSocket().end();
this.protocol.dispose();
this._onClose.fire();
}
public reconnect(socket: ISocket, buffer: VSBuffer): void {
clearTimeout(this.timeout as any); // Not sure why the type doesn't work.
this.protocol.beginAcceptReconnection(socket, buffer);
this.protocol.endAcceptReconnection();
}
}
/**
* The management connection is used for all the IPC channels.
*/
export class ManagementConnection extends Connection {
// in here they accept the connection
// to the ipc of the RemoteServer
public constructor(server: Server, protocol: PersistentProtocol) {
super(server, protocol);
// This will communicate back to the IPCServer that a new client has
// connected.
this.server._onDidClientConnect.fire({
protocol,
onDidClientDisconnect: this.onClose,
});
}
}
export class ExtensionHostConnection extends Connection {

4
entry.ts Normal file
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@ -0,0 +1,4 @@
import { Server } from "./server";
const server = new Server();
server.listen();

2
main.js
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@ -1 +1 @@
require("../../bootstrap-amd").load("vs/server/server");
require("../../bootstrap-amd").load("vs/server/entry");

83
server.ts
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@ -5,19 +5,29 @@ import * as path from "path";
import * as util from "util";
import * as url from "url";
import { Connection } from "vs/server/connection";
import { ConnectionType } from "vs/platform/remote/common/remoteAgentConnection";
import { Emitter } from "vs/base/common/event";
import { ClientConnectionEvent } from "vs/base/parts/ipc/common/ipc";
import { Socket, Server as IServer } from "vs/server/socket";
import { IPCServer, ClientConnectionEvent } from "vs/base/parts/ipc/common/ipc";
import { validatePaths } from "vs/code/node/paths";
import { parseMainProcessArgv } from "vs/platform/environment/node/argvHelper";
import { ParsedArgs } from "vs/platform/environment/common/environment";
import { EnvironmentService } from "vs/platform/environment/node/environmentService";
import { InstantiationService } from "vs/platform/instantiation/common/instantiationService";
import { ConsoleLogMainService } from "vs/platform/log/common/log";
import { LogLevelSetterChannel } from "vs/platform/log/common/logIpc";
import { ConnectionType } from "vs/platform/remote/common/remoteAgentConnection";
import { REMOTE_FILE_SYSTEM_CHANNEL_NAME } from "vs/platform/remote/common/remoteAgentFileSystemChannel";
enum HttpCode {
import { Connection, Server as IServer } from "vs/server/connection";
import { ExtensionEnvironmentChannel, FileProviderChannel } from "vs/server/channel";
import { Socket } from "vs/server/socket";
export enum HttpCode {
Ok = 200,
NotFound = 404,
BadRequest = 400,
}
class HttpError extends Error {
export class HttpError extends Error {
public constructor(message: string, public readonly code: number) {
super(message);
// @ts-ignore
@ -26,14 +36,24 @@ class HttpError extends Error {
}
}
class Server implements IServer {
private readonly _onDidClientConnect = new Emitter<ClientConnectionEvent>();
export class Server implements IServer {
// When a new client connects, it will fire this event which is used in the
// IPC server which manages channels.
public readonly _onDidClientConnect = new Emitter<ClientConnectionEvent>();
public readonly onDidClientConnect = this._onDidClientConnect.event;
private readonly rootPath = path.resolve(__dirname, "../../..");
// This is separate instead of just extending this class since we can't
// use properties in the super call. This manages channels.
private readonly ipc = new IPCServer(this.onDidClientConnect);
// The web server.
private readonly server: http.Server;
// Persistent connections. These can reconnect within a timeout. Individual
// sockets will add connections made through them to this map and remove them
// when they close.
public readonly connections = new Map<ConnectionType, Map<string, Connection>>();
public constructor() {
@ -52,17 +72,45 @@ class Server implements IServer {
});
this.server.on("upgrade", (request, socket) => {
this.handleUpgrade(request, socket);
try {
const nodeSocket = this.handleUpgrade(request, socket);
nodeSocket.handshake(this);
} catch (error) {
socket.end(error.message);
}
});
this.server.on("error", (error) => {
console.error(error);
process.exit(1);
});
let args: ParsedArgs;
try {
args = parseMainProcessArgv(process.argv);
args = validatePaths(args);
} catch (error) {
console.error(error.message);
return process.exit(1);
}
public dispose(): void {
this.connections.clear();
const environmentService = new EnvironmentService(args, process.execPath);
// TODO: might want to use spdlog.
const logService = new ConsoleLogMainService();
this.ipc.registerChannel("loglevel", new LogLevelSetterChannel(logService));
const instantiationService = new InstantiationService();
instantiationService.invokeFunction(() => {
this.ipc.registerChannel(
REMOTE_FILE_SYSTEM_CHANNEL_NAME,
new FileProviderChannel(),
);
this.ipc.registerChannel(
"remoteextensionsenvironment",
new ExtensionEnvironmentChannel(environmentService),
);
});
}
private async handleRequest(request: http.IncomingMessage): Promise<string | Buffer> {
@ -118,9 +166,9 @@ class Server implements IServer {
}
}
private handleUpgrade(request: http.IncomingMessage, socket: net.Socket): void {
private handleUpgrade(request: http.IncomingMessage, socket: net.Socket): Socket {
if (request.headers.upgrade !== "websocket") {
return socket.end("HTTP/1.1 400 Bad Request");
throw new Error("HTTP/1.1 400 Bad Request");
}
const options = {
@ -144,11 +192,11 @@ class Server implements IServer {
const nodeSocket = new Socket(socket, options);
nodeSocket.upgrade(request.headers["sec-websocket-key"] as string);
nodeSocket.handshake(this);
return nodeSocket;
}
public listen(): void {
const port = 8443;
public listen(port: number = 8443): void {
this.server.listen(port, () => {
const address = this.server.address();
const location = typeof address === "string"
@ -159,6 +207,3 @@ class Server implements IServer {
});
}
}
const server = new Server();
server.listen();

16
socket.ts
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@ -1,10 +1,12 @@
import * as crypto from "crypto";
import * as net from "net";
import { AuthRequest, ConnectionType, ConnectionTypeRequest, HandshakeMessage } from "vs/platform/remote/common/remoteAgentConnection";
import { VSBuffer } from "vs/base/common/buffer";
import { NodeSocket, WebSocketNodeSocket } from "vs/base/parts/ipc/node/ipc.net";
import { PersistentProtocol, ISocket } from "vs/base/parts/ipc/common/ipc.net";
import { VSBuffer } from "vs/base/common/buffer";
import { Connection, ExtensionHostConnection, ManagementConnection } from "vs/server/connection";
import { AuthRequest, ConnectionType, ConnectionTypeRequest, HandshakeMessage } from "vs/platform/remote/common/remoteAgentConnection";
import { ExtensionHostConnection, ManagementConnection, Server } from "vs/server/connection";
export interface SocketOptions {
readonly reconnectionToken: string;
@ -12,10 +14,6 @@ export interface SocketOptions {
readonly skipWebSocketFrames: boolean;
}
export interface Server {
readonly connections: Map<ConnectionType, Map<string, Connection>>;
}
export class Socket {
private nodeSocket: ISocket;
public protocol: PersistentProtocol;
@ -114,8 +112,8 @@ export class Socket {
this.sendControl(ok);
const connection = message.desiredConnectionType === ConnectionType.Management
? new ManagementConnection(this.protocol)
: new ExtensionHostConnection(this.protocol);
? new ManagementConnection(server, this.protocol)
: new ExtensionHostConnection(server, this.protocol);
connections.set(this.options.reconnectionToken, connection);
connection.onClose(() => {