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Implement file provider

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Reading, watching, saving, etc all seem to work now.
This commit is contained in:
Asher 2019-07-01 14:00:11 -05:00
parent 98f001395c
commit a0121f2f0c
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2 changed files with 122 additions and 53 deletions
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139
channel.ts
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@ -1,94 +1,153 @@
import * as path from "path";
import { VSBuffer } from "vs/base/common/buffer";
import { Emitter, Event } from "vs/base/common/event";
import { IDisposable } from "vs/base/common/lifecycle";
import { Schemas } from "vs/base/common/network";
import { OS } from "vs/base/common/platform";
import { URI } from "vs/base/common/uri";
import { URI, UriComponents } 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 { ILogService } from "vs/platform/log/common/log";
import { IRemoteAgentEnvironment } from "vs/platform/remote/common/remoteAgentEnvironment";
import { DiskFileSystemProvider } from "vs/workbench/services/files/node/diskFileSystemProvider";
/**
* Extend the file provider to allow unwatching.
*/
class Watcher extends DiskFileSystemProvider {
public readonly watches = new Map<number, IDisposable>();
public dispose(): void {
this.watches.forEach((w) => w.dispose());
this.watches.clear();
super.dispose();
}
public _watch(req: number, resource: URI, opts: IWatchOptions): void {
this.watches.set(req, this.watch(resource, opts));
}
public unwatch(req: number): void {
this.watches.get(req)!.dispose();
this.watches.delete(req);
}
}
/**
* See: src/vs/platform/remote/common/remoteAgentFileSystemChannel.ts.
*/
export class FileProviderChannel implements IServerChannel {
public listen(_context: any, event: string): Event<any> {
private readonly provider: DiskFileSystemProvider;
private readonly watchers = new Map<string, Watcher>();
public constructor(private readonly logService: ILogService) {
this.provider = new DiskFileSystemProvider(this.logService);
}
public listen(_: unknown, event: string, args?: any): Event<any> {
switch (event) {
// This is where the actual file changes are sent. The watch method just
// adds things that will fire here. That means we have to split up
// watchers based on the session otherwise sessions would get events for
// other sessions. There is also no point in having the watcher unless
// something is listening. I'm not sure there is a different way to
// dispose, anyway.
case "filechange":
// TODO: not sure what to do here yet
return new Emitter().event;
const session = args[0];
const emitter = new Emitter({
onFirstListenerAdd: () => {
const provider = new Watcher(this.logService);
this.watchers.set(session, provider);
provider.onDidChangeFile((events) => {
emitter.fire(events.map((event) => ({
...event,
resource: event.resource.with({ scheme: Schemas.vscodeRemote }),
})));
});
provider.onDidErrorOccur((event) => emitter.fire(event));
},
onLastListenerRemove: () => {
this.watchers.get(session)!.dispose();
this.watchers.delete(session);
},
});
return emitter.event;
}
throw new Error(`Invalid listen "${event}"`);
}
public call(_: unknown, command: string, args?: any): Promise<any> {
console.log("got call", command, args);
switch (command) {
case "stat": return this.stat(args[0]);
case "open": return this.open(args[0], args[1]);
case "close": return this.close(args[0]);
case "read": return this.read(args[0], args[1], args[2], args[3], args[4]);
case "read": return this.read(args[0], args[1], args[2]);
case "write": return this.write(args[0], args[1], args[2], args[3], args[4]);
case "delete": return this.delete(args[0], args[1]);
case "mkdir": return this.mkdir(args[0]);
case "readdir": return this.readdir(args[0]);
case "rename": return this.rename(args[0], args[1], args[2]);
case "copy": return this.copy(args[0], args[1], args[2]);
case "watch": return this.watch(args[0], args[1]);
case "unwatch": return this.unwatch(args[0]), args[1];
case "watch": return this.watch(args[0], args[1], args[2], args[3]);
case "unwatch": return this.unwatch(args[0], args[1]);
}
throw new Error(`Invalid call "${command}"`);
}
private async stat(resource: URI): Promise<IStat> {
throw new Error("not implemented");
private async stat(resource: UriComponents): Promise<IStat> {
return this.provider.stat(URI.from(resource));
}
private async open(resource: URI, opts: FileOpenOptions): Promise<number> {
throw new Error("not implemented");
private async open(resource: UriComponents, opts: FileOpenOptions): Promise<number> {
return this.provider.open(URI.from(resource), opts);
}
private async close(fd: number): Promise<void> {
throw new Error("not implemented");
return this.provider.close(fd);
}
private async read(fd: number, pos: number, data: Uint8Array, offset: number, length: number): Promise<number> {
throw new Error("not implemented");
private async read(fd: number, pos: number, length: number): Promise<[VSBuffer, number]> {
const buffer = VSBuffer.alloc(length);
const bytesRead = await this.provider.read(fd, pos, buffer.buffer, 0, length);
return [buffer, bytesRead];
}
private async write(fd: number, pos: number, data: Uint8Array, offset: number, length: number): Promise<number> {
throw new Error("not implemented");
private write(fd: number, pos: number, buffer: VSBuffer, offset: number, length: number): Promise<number> {
return this.provider.write(fd, pos, buffer.buffer, offset, length);
}
private async delete(resource: URI, opts: FileDeleteOptions): Promise<void> {
throw new Error("not implemented");
private async delete(resource: UriComponents, opts: FileDeleteOptions): Promise<void> {
return this.provider.delete(URI.from(resource), opts);
}
private async mkdir(resource: URI): Promise<void> {
throw new Error("not implemented");
private async mkdir(resource: UriComponents): Promise<void> {
return this.provider.mkdir(URI.from(resource));
}
private async readdir(resource: URI): Promise<[string, FileType][]> {
throw new Error("not implemented");
private async readdir(resource: UriComponents): Promise<[string, FileType][]> {
return this.provider.readdir(URI.from(resource));
}
private async rename(resource: URI, target: URI, opts: FileOverwriteOptions): Promise<void> {
throw new Error("not implemented");
private async rename(resource: UriComponents, target: UriComponents, opts: FileOverwriteOptions): Promise<void> {
return this.provider.rename(URI.from(resource), URI.from(target), opts);
}
private copy(resource: URI, target: URI, opts: FileOverwriteOptions): Promise<void> {
throw new Error("not implemented");
private copy(resource: UriComponents, target: UriComponents, opts: FileOverwriteOptions): Promise<void> {
return this.provider.copy(URI.from(resource), URI.from(target), opts);
}
private watch(resource: URI, opts: IWatchOptions): Promise<void> {
throw new Error("not implemented");
private async watch(session: string, req: number, resource: UriComponents, opts: IWatchOptions): Promise<void> {
this.watchers.get(session)!._watch(req, URI.from(resource), opts);
}
private unwatch(resource: URI): void {
throw new Error("not implemented");
private async unwatch(session: string, req: number): Promise<void> {
this.watchers.get(session)!.unwatch(req);
}
}
@ -112,16 +171,18 @@ export class ExtensionEnvironmentChannel implements IServerChannel {
}
private async getEnvironmentData(): Promise<IRemoteAgentEnvironment> {
// TODO: this `with` stuff feels a bit jank.
// Maybe it should already come in like this instead.
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),
appRoot: URI.file(this.environment.appRoot).with({ scheme: Schemas.vscodeRemote }),
appSettingsHome: this.environment.appSettingsHome.with({ scheme: Schemas.vscodeRemote }),
settingsPath: this.environment.machineSettingsHome.with({ scheme: Schemas.vscodeRemote }),
logsPath: URI.file(this.environment.logsPath).with({ scheme: Schemas.vscodeRemote }),
extensionsPath: URI.file(this.environment.extensionsPath).with({ scheme: Schemas.vscodeRemote }),
extensionHostLogsPath: URI.file(path.join(this.environment.logsPath, "extension-host")).with({ scheme: Schemas.vscodeRemote }), // TODO
globalStorageHome: URI.file(this.environment.globalStorageHome).with({ scheme: Schemas.vscodeRemote }),
userHome: URI.file(this.environment.userHome).with({ scheme: Schemas.vscodeRemote }),
extensions: [], // TODO
os: OS,
};

36
server.ts
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@ -7,7 +7,9 @@ import * as url from "url";
import { Emitter } from "vs/base/common/event";
import { getMediaMime } from "vs/base/common/mime";
import { Schemas } from "vs/base/common/network";
import { extname } from "vs/base/common/path";
import { URI } from "vs/base/common/uri";
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";
@ -16,8 +18,10 @@ import { EnvironmentService } from "vs/platform/environment/node/environmentServ
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 { IProductConfiguration } from "vs/platform/product/common/product";
import { ConnectionType } from "vs/platform/remote/common/remoteAgentConnection";
import { REMOTE_FILE_SYSTEM_CHANNEL_NAME } from "vs/platform/remote/common/remoteAgentFileSystemChannel";
import { IWorkbenchConstructionOptions } from "vs/workbench/workbench.web.api";
import { Connection, Server as IServer } from "vs/server/connection";
import { ExtensionEnvironmentChannel, FileProviderChannel } from "vs/server/channel";
@ -29,6 +33,13 @@ export enum HttpCode {
BadRequest = 400,
}
export interface Options {
WORKBENCH_WEB_CONGIGURATION: IWorkbenchConstructionOptions;
REMOTE_USER_DATA_URI: URI;
PRODUCT_CONFIGURATION: IProductConfiguration | null;
CONNECTION_AUTH_TOKEN: string;
}
export class HttpError extends Error {
public constructor(message: string, public readonly code: number) {
super(message);
@ -53,6 +64,8 @@ export class Server implements IServer {
// The web server.
private readonly server: http.Server;
private readonly environmentService: EnvironmentService;
// 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.
@ -97,7 +110,7 @@ export class Server implements IServer {
return process.exit(1);
}
const environmentService = new EnvironmentService(args, process.execPath);
this.environmentService = new EnvironmentService(args, process.execPath);
// TODO: might want to use spdlog.
const logService = new ConsoleLogMainService();
@ -107,11 +120,11 @@ export class Server implements IServer {
instantiationService.invokeFunction(() => {
this.ipc.registerChannel(
REMOTE_FILE_SYSTEM_CHANNEL_NAME,
new FileProviderChannel(),
new FileProviderChannel(logService),
);
this.ipc.registerChannel(
"remoteextensionsenvironment",
new ExtensionEnvironmentChannel(environmentService),
new ExtensionEnvironmentChannel(this.environmentService),
);
});
}
@ -133,25 +146,20 @@ export class Server implements IServer {
let html = await util.promisify(fs.readFile)(htmlPath, "utf8");
const options = {
WEBVIEW_ENDPOINT: {},
const options: Options = {
WORKBENCH_WEB_CONGIGURATION: {
remoteAuthority: request.headers.host,
remoteAuthority: request.headers.host as string,
},
REMOTE_USER_DATA_URI: {
scheme: "http",
authority: request.headers.host,
path: "/",
},
PRODUCT_CONFIGURATION: {},
CONNECTION_AUTH_TOKEN: {}
REMOTE_USER_DATA_URI: this.environmentService.webUserDataHome.with({ scheme: Schemas.vscodeRemote }),
PRODUCT_CONFIGURATION: null,
CONNECTION_AUTH_TOKEN: "",
};
Object.keys(options).forEach((key) => {
html = html.replace(`"{{${key}}}"`, `'${JSON.stringify(options[key])}'`);
});
html = html.replace('{{WEBVIEW_ENDPOINT}}', JSON.stringify(options.WEBVIEW_ENDPOINT));
html = html.replace('{{WEBVIEW_ENDPOINT}}', ""); // TODO
return [html, {
"Content-Type": "text/html",