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optimized flow control

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This commit is contained in:
Eugene Pankov
2022-06-15 20:01:53 +02:00
parent 52dd0db5f6
commit 5087e7de25
1 changed files with 3 additions and 2 deletions
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5
tabby-terminal/src/frontends/xtermFrontend.ts
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@@ -39,13 +39,14 @@ class FlowControl {
this.bytesWritten += data.length this.bytesWritten += data.length
if (this.bytesWritten > this.bytesThreshold) { if (this.bytesWritten > this.bytesThreshold) {
this.pendingCallbacks++ this.pendingCallbacks++
if (this.pendingCallbacks > this.highWatermark) { this.bytesWritten = 0
if (!this.blocked && this.pendingCallbacks > this.highWatermark) {
this.blocked = true this.blocked = true
this.blocked$.next(true) this.blocked$.next(true)
} }
this.xterm.write(data, () => { this.xterm.write(data, () => {
this.pendingCallbacks-- this.pendingCallbacks--
if (this.pendingCallbacks < this.lowWatermark) { if (this.blocked && this.pendingCallbacks < this.lowWatermark) {
this.blocked = false this.blocked = false
this.blocked$.next(false) this.blocked$.next(false)
} }