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Implement terminal replay event

This commit is contained in:
Asher 2020-11-17 17:03:15 -06:00
parent 3f7b91e2e2
commit 4de2511162
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1 changed files with 63 additions and 8 deletions
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@ -1466,10 +1466,10 @@ index 0000000000000000000000000000000000000000..6ce56bec114a6d8daf5dd3ded945ea78
+} +}
diff --git a/src/vs/server/node/channel.ts b/src/vs/server/node/channel.ts diff --git a/src/vs/server/node/channel.ts b/src/vs/server/node/channel.ts
new file mode 100644 new file mode 100644
index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aeebf4bb84c index 0000000000000000000000000000000000000000..cb3a45fda10a6bcbff73275b5734641b3319cc9b
--- /dev/null --- /dev/null
+++ b/src/vs/server/node/channel.ts +++ b/src/vs/server/node/channel.ts
@@ -0,0 +1,780 @@ @@ -0,0 +1,828 @@
+import { field, logger } from '@coder/logger'; +import { field, logger } from '@coder/logger';
+import { Server } from '@coder/node-browser'; +import { Server } from '@coder/node-browser';
+import * as os from 'os'; +import * as os from 'os';
@ -1884,6 +1884,14 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
+ private readonly _onDispose = new Emitter<void>(); + private readonly _onDispose = new Emitter<void>();
+ public get onDispose(): Event<void> { return this._onDispose.event; } + public get onDispose(): Event<void> { return this._onDispose.event; }
+ +
+ // These are replayed when a client reconnects.
+ private cols: number;
+ private rows: number;
+ private replayData: string[] = [];
+ // This is based on string length and is pretty arbitrary.
+ private readonly maxReplayData = 10000;
+ private totalReplayData = 0;
+
+ private buffering = false; + private buffering = false;
+ private readonly _onEvent = new Emitter<terminal.IRemoteTerminalProcessEvent>({ + private readonly _onEvent = new Emitter<terminal.IRemoteTerminalProcessEvent>({
+ // Don't bind to data until something is listening. + // Don't bind to data until something is listening.
@ -1894,6 +1902,23 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
+ this.bufferer.startBuffering(this.id, this.process.onProcessData); + this.bufferer.startBuffering(this.id, this.process.onProcessData);
+ } + }
+ }, + },
+
+ // Replay stored events.
+ onFirstListenerDidAdd: () => {
+ if (this.replayData.length === 0) {
+ return;
+ }
+
+ logger.debug('Terminal replaying', field('id', this.id));
+ this._onEvent.fire({
+ type: 'replay',
+ events: [{
+ cols: this.cols,
+ rows: this.rows,
+ data: this.replayData.join(""),
+ }]
+ });
+ }
+ }); + });
+ +
+ public get onEvent(): Event<terminal.IRemoteTerminalProcessEvent> { return this._onEvent.event; } + public get onEvent(): Event<terminal.IRemoteTerminalProcessEvent> { return this._onEvent.event; }
@ -1904,6 +1929,33 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
+ type: 'data', + type: 'data',
+ data, + data,
+ }); + });
+
+ this.replayData.push(data);
+ this.totalReplayData += data.length;
+
+ let overflow = this.totalReplayData - this.maxReplayData;
+ if (overflow <= 0) {
+ return;
+ }
+
+ // Drop events until doing so would put us under budget.
+ let deleteCount = 0;
+ for (; deleteCount < this.replayData.length
+ && this.replayData[deleteCount].length <= overflow; ++deleteCount) {
+ overflow -= this.replayData[deleteCount].length;
+ }
+
+ if (deleteCount > 0) {
+ this.replayData.splice(0, deleteCount);
+ }
+
+ // Dropping any more events would put us under budget; trim the first event
+ // instead if still over budget.
+ if (overflow > 0 && this.replayData.length > 0) {
+ this.replayData[0] = this.replayData[0].substring(overflow);
+ }
+
+ this.totalReplayData = this.replayData.reduce((p, c) => p + c.length, 0);
+ }); + });
+ +
+ public get pid(): number { + public get pid(): number {
@ -1924,11 +1976,14 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
+ this.workspaceId = args.workspaceId; + this.workspaceId = args.workspaceId;
+ this.workspaceName = args.workspaceName; + this.workspaceName = args.workspaceName;
+ +
+ this.cols = args.cols;
+ this.rows = args.rows;
+
+ this.process = new TerminalProcess( + this.process = new TerminalProcess(
+ config, + config,
+ config.cwd, + config.cwd,
+ args.cols, + this.cols,
+ args.rows, + this.rows,
+ env, + env,
+ process.env as platform.IProcessEnvironment, // Environment used for `findExecutable`. + process.env as platform.IProcessEnvironment, // Environment used for `findExecutable`.
+ false, // windowsEnableConpty: boolean, + false, // windowsEnableConpty: boolean,
@ -1962,10 +2017,6 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
+ this.dispose(); + this.dispose();
+ }); + });
+ +
+ // TODO: replay event
+ // type: 'replay';
+ // events: ReplayEntry[];
+
+ // TODO: exec command event + // TODO: exec command event
+ // type: 'execCommand'; + // type: 'execCommand';
+ // reqId: number; + // reqId: number;
@ -1977,9 +2028,11 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
+ } + }
+ +
+ public dispose() { + public dispose() {
+ logger.debug('Terminal disposing', field('id', this.id));
+ this._onEvent.dispose(); + this._onEvent.dispose();
+ this.bufferer.dispose(); + this.bufferer.dispose();
+ this.process.dispose(); + this.process.dispose();
+ this.process.shutdown(true);
+ this._onDispose.fire(); + this._onDispose.fire();
+ this._onDispose.dispose(); + this._onDispose.dispose();
+ } + }
@ -2005,6 +2058,8 @@ index 0000000000000000000000000000000000000000..91a932b613c473cd13dfddbde2942aee
+ } + }
+ +
+ public resize(cols: number, rows: number): void { + public resize(cols: number, rows: number): void {
+ this.cols = cols;
+ this.rows = rows;
+ return this.process.resize(cols, rows); + return this.process.resize(cols, rows);
+ } + }
+} +}