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Room lifecycle in progress flag #412

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merged 2 commits into from
Nov 27, 2024
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AndyTWF
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@AndyTWF AndyTWF commented Nov 20, 2024

Context

Closes #406
CHA-723

Description

We weren't properly setting and unsetting the room operation in progress flag (we were only setting it to false when attaching). This change rectifies this.

Also included is the fix for async-mutex operation precedence - as the order was the wrong way around.

Checklist

  • QA'd by the author.
  • Unit tests created (if applicable).
  • Integration tests created (if applicable).
  • Follow coding style guidelines found here.
  • TypeDoc updated (if applicable).
  • (Optional) Update documentation for new features.
  • Browser tests created (if applicable).
  • In repo demo app updated (if applicable).

Testing Instructions (Optional)

N/A

@AndyTWF AndyTWF requested review from a team, owenpearson and JoaoDiasAbly and removed request for a team November 20, 2024 15:04
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@AndyTWF AndyTWF requested review from splindsay-92 and removed request for owenpearson November 20, 2024 15:04
@github-actions github-actions bot temporarily deployed to staging/pull/412/typedoc November 20, 2024 15:05 Inactive
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github-actions bot commented Nov 20, 2024

Coverage Report

Status Category Percentage Covered / Total
🟢 Lines 93.62% (🎯 92%) 3171 / 3387
🟢 Statements 93.62% (🎯 92%) 3171 / 3387
🟢 Functions 95.34% (🎯 92%) 246 / 258
🟢 Branches 93.86% (🎯 93%) 841 / 896
File Coverage
File Stmts Branches Functions Lines Uncovered Lines
Changed Files
src/core/room-lifecycle-manager.ts 91.39% 93.67% 94.73% 91.39% 156-158, 236-239, 339, 387-388, 416-420, 443-451, 466-467, 522-523, 754-757, 812-830
Generated in workflow #1814 for commit c0becec by the Vitest Coverage Report Action

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Can we add a private method to avoid code repetition

  atomic(operation: () => Promise<void>, priority: number): Promise<void> {
      return this._mtx.runExclusive(() => {
        this._operationInProgress = true
        return operation().finally(() =>
          this._operationInProgress = false
        )
      }, priority);
  }

So, attach and all other ops would be

  attach(): Promise<void> {
    this._logger.trace('RoomLifecycleManager.attach();');
    return this.atomic(async () => {

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AndyTWF commented Nov 21, 2024

Can we add a private method to avoid code repetition

We can in the future - though I'd prefer to keep this PR scoped to just the functionality fixes for now.

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sacOO7 commented Nov 21, 2024

Can we add a private method to avoid code repetition

We can in the future - though I'd prefer to keep this PR scoped to just the functionality fixes for now.

Sure, I mean, the suggestion is related to the fix. In the future, if we have more atomic operations, we don't need to worry about setting/clearing _operationInProgress flag, as a part of operation itself.

@AndyTWF
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AndyTWF commented Nov 21, 2024

Can we add a private method to avoid code repetition

We can in the future - though I'd prefer to keep this PR scoped to just the functionality fixes for now.

Sure, I mean, the suggestion is related to the fix. In the future, if we have more atomic operations, we don't need to worry about setting/clearing _operationInProgress flag, as a part of operation itself.

There are places

Can we add a private method to avoid code repetition

We can in the future - though I'd prefer to keep this PR scoped to just the functionality fixes for now.

Sure, I mean, the suggestion is related to the fix. In the future, if we have more atomic operations, we don't need to worry about setting/clearing _operationInProgress flag, as a part of operation itself.

The place I don't think it works is in the attach cycle - the attach operation ends (and should fail fast back to the user), but we need to continue the lifecycle operation in the background to retry, so in this instance we don't want to tie the lifecycle op to the attach call but to what happens in the background afterwards.

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sacOO7 commented Nov 21, 2024

Sure, thanks for the info!

@AndyTWF AndyTWF force-pushed the room-lifecycle-in-progress-flag branch from 2b998fd to 8136f0c Compare November 25, 2024 10:03
@github-actions github-actions bot temporarily deployed to staging/pull/412/typedoc November 25, 2024 10:04 Inactive
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LGTM

There's a lot of places where we don't set the operation in progress flag - e.g. after detach.

This change fixes this.
The async-mutex library works as highest value = higher priority. This change
reverses the priority in the lifecycle manager to fix this.
@AndyTWF AndyTWF force-pushed the room-lifecycle-in-progress-flag branch from 8136f0c to c0becec Compare November 27, 2024 11:56
@AndyTWF AndyTWF merged commit 96856f9 into main Nov 27, 2024
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@AndyTWF AndyTWF deleted the room-lifecycle-in-progress-flag branch November 27, 2024 11:59
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[RoomLifeCycleManager] _operationInProgress flag incorrectly set
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