mirror of https://github.com/coder/code-server.git
38 lines
1.8 KiB
Diff
38 lines
1.8 KiB
Diff
Add a heartbeat to web socket connections
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This prevents them from being killed when they are idle. To test run behind
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NGINX, make sure the sockets are idle (check dev tools), then wait 60+ seconds.
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Index: code-server/lib/vscode/src/vs/base/parts/ipc/common/ipc.net.ts
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===================================================================
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--- code-server.orig/lib/vscode/src/vs/base/parts/ipc/common/ipc.net.ts
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+++ code-server/lib/vscode/src/vs/base/parts/ipc/common/ipc.net.ts
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@@ -7,6 +7,7 @@ import { VSBuffer } from 'vs/base/common
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import { Emitter, Event } from 'vs/base/common/event';
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import { Disposable, dispose, IDisposable } from 'vs/base/common/lifecycle';
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import { IIPCLogger, IMessagePassingProtocol, IPCClient } from 'vs/base/parts/ipc/common/ipc';
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+import { isWeb } from 'vs/base/common/platform';
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export const enum SocketDiagnosticsEventType {
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Created = 'created',
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@@ -828,6 +829,19 @@ export class PersistentProtocol implemen
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this._socketDisposables.push(this._socketWriter);
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this._socketReader = new ProtocolReader(this._socket);
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this._socketDisposables.push(this._socketReader);
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+ // Send empty messages to keep the socket alive. We only need this on the
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+ // web where sockets can be killed by reverse proxies for inactivity.
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+ if (isWeb) {
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+ const timer = setInterval(() => {
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+ const msg = new ProtocolMessage(ProtocolMessageType.None, 0, 0, getEmptyBuffer());
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+ this._socketWriter.write(msg);
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+ }, 45000); // NGINX has a 60 second default timeout so try 45 seconds.
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+ this._socketDisposables.push({
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+ dispose: () => {
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+ clearInterval(timer);
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+ },
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+ });
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+ }
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this._socketDisposables.push(this._socketReader.onMessage(msg => this._receiveMessage(msg)));
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this._socketDisposables.push(this._socket.onClose((e) => this._onSocketClose.fire(e)));
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if (initialChunk) {
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