mirror of https://git.tuxpa.in/a/code-server.git
Implement terminal replay event
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3f7b91e2e2
commit
4de2511162
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@ -1466,10 +1466,10 @@ index 0000000000000000000000000000000000000000..6ce56bec114a6d8daf5dd3ded945ea78
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+}
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diff --git a/src/vs/server/node/channel.ts b/src/vs/server/node/channel.ts
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new file mode 100644
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index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aeebf4bb84c
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index 0000000000000000000000000000000000000000..cb3a45fda10a6bcbff73275b5734641b3319cc9b
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--- /dev/null
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+++ b/src/vs/server/node/channel.ts
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@@ -0,0 +1,780 @@
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@@ -0,0 +1,828 @@
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+import { field, logger } from '@coder/logger';
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+import { Server } from '@coder/node-browser';
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+import * as os from 'os';
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@ -1884,6 +1884,14 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
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+ private readonly _onDispose = new Emitter<void>();
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+ public get onDispose(): Event<void> { return this._onDispose.event; }
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+
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+ // These are replayed when a client reconnects.
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+ private cols: number;
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+ private rows: number;
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+ private replayData: string[] = [];
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+ // This is based on string length and is pretty arbitrary.
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+ private readonly maxReplayData = 10000;
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+ private totalReplayData = 0;
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+
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+ private buffering = false;
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+ private readonly _onEvent = new Emitter<terminal.IRemoteTerminalProcessEvent>({
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+ // Don't bind to data until something is listening.
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@ -1894,6 +1902,23 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
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+ this.bufferer.startBuffering(this.id, this.process.onProcessData);
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+ }
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+ },
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+
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+ // Replay stored events.
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+ onFirstListenerDidAdd: () => {
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+ if (this.replayData.length === 0) {
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+ return;
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+ }
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+
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+ logger.debug('Terminal replaying', field('id', this.id));
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+ this._onEvent.fire({
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+ type: 'replay',
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+ events: [{
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+ cols: this.cols,
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+ rows: this.rows,
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+ data: this.replayData.join(""),
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+ }]
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+ });
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+ }
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+ });
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+
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+ public get onEvent(): Event<terminal.IRemoteTerminalProcessEvent> { return this._onEvent.event; }
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@ -1904,6 +1929,33 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
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+ type: 'data',
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+ data,
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+ });
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+
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+ this.replayData.push(data);
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+ this.totalReplayData += data.length;
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+
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+ let overflow = this.totalReplayData - this.maxReplayData;
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+ if (overflow <= 0) {
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+ return;
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+ }
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+
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+ // Drop events until doing so would put us under budget.
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+ let deleteCount = 0;
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+ for (; deleteCount < this.replayData.length
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+ && this.replayData[deleteCount].length <= overflow; ++deleteCount) {
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+ overflow -= this.replayData[deleteCount].length;
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+ }
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+
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+ if (deleteCount > 0) {
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+ this.replayData.splice(0, deleteCount);
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+ }
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+
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+ // Dropping any more events would put us under budget; trim the first event
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+ // instead if still over budget.
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+ if (overflow > 0 && this.replayData.length > 0) {
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+ this.replayData[0] = this.replayData[0].substring(overflow);
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+ }
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+
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+ this.totalReplayData = this.replayData.reduce((p, c) => p + c.length, 0);
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+ });
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+
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+ public get pid(): number {
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@ -1924,11 +1976,14 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
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+ this.workspaceId = args.workspaceId;
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+ this.workspaceName = args.workspaceName;
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+
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+ this.cols = args.cols;
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+ this.rows = args.rows;
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+
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+ this.process = new TerminalProcess(
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+ config,
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+ config.cwd,
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+ args.cols,
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+ args.rows,
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+ this.cols,
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+ this.rows,
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+ env,
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+ process.env as platform.IProcessEnvironment, // Environment used for `findExecutable`.
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+ false, // windowsEnableConpty: boolean,
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@ -1962,10 +2017,6 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
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+ this.dispose();
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+ });
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+
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+ // TODO: replay event
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+ // type: 'replay';
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+ // events: ReplayEntry[];
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+
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+ // TODO: exec command event
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+ // type: 'execCommand';
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+ // reqId: number;
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@ -1977,9 +2028,11 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
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+ }
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+
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+ public dispose() {
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+ logger.debug('Terminal disposing', field('id', this.id));
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+ this._onEvent.dispose();
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+ this.bufferer.dispose();
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+ this.process.dispose();
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+ this.process.shutdown(true);
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+ this._onDispose.fire();
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+ this._onDispose.dispose();
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+ }
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@ -2005,6 +2058,8 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
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+ }
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+
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+ public resize(cols: number, rows: number): void {
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+ this.cols = cols;
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+ this.rows = rows;
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+ return this.process.resize(cols, rows);
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+ }
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+}
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