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Control reachability requests to avoid infinite loop of requests#77510

Merged
NikkiWines merged 7 commits intoExpensify:mainfrom
callstack-internal:fix/1941-infinite-ping-calls
Dec 22, 2025
Merged

Control reachability requests to avoid infinite loop of requests#77510
NikkiWines merged 7 commits intoExpensify:mainfrom
callstack-internal:fix/1941-infinite-ping-calls

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@CosminStreteaCS CosminStreteaCS commented Dec 12, 2025

Explanation of Change

Control the execution of recheckNetworkConnection so that only one instance runs at a time, preventing concurrent Ping calls and skipping additional runs until MAX_PENDING_TIME_MS has elapsed since the previous execution.

Fixed Issues

$ #77806
PROPOSAL: #77806 (comment)

Tests

  1. Open the web app as logged in user

  2. Set up a custom "very slow" network throttling profile:

    • Follow the instructions described here
    • Set the following values in the fields:
    Profile Name Download Upload Latency Packet Loss Packet Queue Length Packet Reordering
    very slow 10 10 2000 100 20 disabled
  3. Open Network tab from Chrome Inspect

  4. Switch to Offline network throttling profile

  5. Do some actions in the app such as create a workspace, create expenses, delete expense, create many reports, delete some of these reports etc.

  6. Switch to "very slow" network profile

  7. Keep doing different actions in the app such as the ones mentioned above

  8. Based on the recorded API activity, there should be no long sequences of Ping calls or overlapping requests in Network tab—only a small number of pings triggered no more frequently than every 10 seconds.

  • Verify that no errors appear in the JS console

Offline tests

Same as tests

QA Steps

Same as tests

  • Verify that no errors appear in the JS console

PR Author Checklist

  • I linked the correct issue in the ### Fixed Issues section above
  • I wrote clear testing steps that cover the changes made in this PR
    • I added steps for local testing in the Tests section
    • I added steps for the expected offline behavior in the Offline steps section
    • I added steps for Staging and/or Production testing in the QA steps section
    • I added steps to cover failure scenarios (i.e. verify an input displays the correct error message if the entered data is not correct)
    • I turned off my network connection and tested it while offline to ensure it matches the expected behavior (i.e. verify the default avatar icon is displayed if app is offline)
    • I tested this PR with a High Traffic account against the staging or production API to ensure there are no regressions (e.g. long loading states that impact usability).
  • I included screenshots or videos for tests on all platforms
  • I ran the tests on all platforms & verified they passed on:
    • Android: Native
    • Android: mWeb Chrome
    • iOS: Native
    • iOS: mWeb Safari
    • MacOS: Chrome / Safari
  • I verified there are no console errors (if there's a console error not related to the PR, report it or open an issue for it to be fixed)
  • I verified there are no new alerts related to the canBeMissing param for useOnyx
  • I followed proper code patterns (see Reviewing the code)
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      • If any non-english text was added/modified, I used JaimeGPT to get English > Spanish translation. I then posted it in #expensify-open-source and it was approved by an internal Expensify engineer. Link to Slack message:
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    • I verified proper file naming conventions were followed for any new files or renamed files. All non-platform specific files are named after what they export and are not named "index.js". All platform-specific files are named for the platform the code supports as outlined in the README.
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  • If a new code pattern is added I verified it was agreed to be used by multiple Expensify engineers
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    • I verified that all the inputs inside a form are aligned with each other.
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  • If a new page is added, I verified it's using the ScrollView component to make it scrollable when more elements are added to the page.
  • I added unit tests for any new feature or bug fix in this PR to help automatically prevent regressions in this user flow.
  • If the main branch was merged into this PR after a review, I tested again and verified the outcome was still expected according to the Test steps.

Screenshots/Videos

Android: Native
Android: mWeb Chrome
iOS: Native
iOS: mWeb Safari
MacOS: Chrome / Safari
multiple_ping_call_after_v2.mov

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github-actions bot commented Dec 12, 2025

All contributors have signed the CLA ✍️ ✅
Posted by the CLA Assistant Lite bot.

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codecov bot commented Dec 12, 2025

Codecov Report

✅ Changes either increased or maintained existing code coverage, great job!

Files with missing lines Coverage Δ
src/libs/NetworkConnection.ts 68.32% <88.88%> (+3.93%) ⬆️
... and 9 files with indirect coverage changes

@CosminStreteaCS CosminStreteaCS force-pushed the fix/1941-infinite-ping-calls branch from d4d709d to 444d08b Compare December 15, 2025 09:53
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I have read the CLA Document and I hereby sign the CLA

CLABotify added a commit to Expensify/CLA that referenced this pull request Dec 15, 2025
@CosminStreteaCS CosminStreteaCS force-pushed the fix/1941-infinite-ping-calls branch from 2effb70 to ec8d312 Compare December 16, 2025 12:49
@CosminStreteaCS CosminStreteaCS changed the title Throttle reachability requests to avoid infinite loop of requests Control reachability requests to avoid infinite loop of requests Dec 17, 2025
@CosminStreteaCS CosminStreteaCS force-pushed the fix/1941-infinite-ping-calls branch from 59a78f0 to c639305 Compare December 17, 2025 17:49
@CosminStreteaCS CosminStreteaCS marked this pull request as ready for review December 17, 2025 22:18
@CosminStreteaCS CosminStreteaCS requested review from a team as code owners December 17, 2025 22:18
@melvin-bot melvin-bot bot requested review from Krishna2323 and joekaufmanexpensify and removed request for a team December 17, 2025 22:19
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melvin-bot bot commented Dec 17, 2025

@Krishna2323 Please copy/paste the Reviewer Checklist from here into a new comment on this PR and complete it. If you have the K2 extension, you can simply click: [this button]

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No product considerations, removing my review

@joekaufmanexpensify joekaufmanexpensify removed their request for review December 18, 2025 16:43
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reviewing...

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Reviewer Checklist

  • I have verified the author checklist is complete (all boxes are checked off).
  • I verified the correct issue is linked in the ### Fixed Issues section above
  • I verified testing steps are clear and they cover the changes made in this PR
    • I verified the steps for local testing are in the Tests section
    • I verified the steps for Staging and/or Production testing are in the QA steps section
    • I verified the steps cover any possible failure scenarios (i.e. verify an input displays the correct error message if the entered data is not correct)
    • I turned off my network connection and tested it while offline to ensure it matches the expected behavior (i.e. verify the default avatar icon is displayed if app is offline)
  • I checked that screenshots or videos are included for tests on all platforms
  • I included screenshots or videos for tests on all platforms
  • I verified that the composer does not automatically focus or open the keyboard on mobile unless explicitly intended. This includes checking that returning the app from the background does not unexpectedly open the keyboard.
  • I verified tests pass on all platforms & I tested again on:
    • Android: HybridApp
    • Android: mWeb Chrome
    • iOS: HybridApp
    • iOS: mWeb Safari
    • MacOS: Chrome / Safari
    • MacOS: Desktop
  • If there are any errors in the console that are unrelated to this PR, I either fixed them (preferred) or linked to where I reported them in Slack
  • I verified there are no new alerts related to the canBeMissing param for useOnyx
  • I verified proper code patterns were followed (see Reviewing the code)
    • I verified that any callback methods that were added or modified are named for what the method does and never what callback they handle (i.e. toggleReport and not onIconClick).
    • I verified that comments were added to code that is not self explanatory
    • I verified that any new or modified comments were clear, correct English, and explained "why" the code was doing something instead of only explaining "what" the code was doing.
    • I verified any copy / text shown in the product is localized by adding it to src/languages/* files and using the translation method
    • I verified all numbers, amounts, dates and phone numbers shown in the product are using the localization methods
    • I verified any copy / text that was added to the app is grammatically correct in English. It adheres to proper capitalization guidelines (note: only the first word of header/labels should be capitalized), and is either coming verbatim from figma or has been approved by marketing (in order to get marketing approval, ask the Bug Zero team member to add the Waiting for copy label to the issue)
    • I verified proper file naming conventions were followed for any new files or renamed files. All non-platform specific files are named after what they export and are not named "index.js". All platform-specific files are named for the platform the code supports as outlined in the README.
    • I verified the JSDocs style guidelines (in STYLE.md) were followed
  • If a new code pattern is added I verified it was agreed to be used by multiple Expensify engineers
  • I verified that this PR follows the guidelines as stated in the Review Guidelines
  • I verified other components that can be impacted by these changes have been tested, and I retested again (i.e. if the PR modifies a shared library or component like Avatar, I verified the components using Avatar have been tested & I retested again)
  • I verified all code is DRY (the PR doesn't include any logic written more than once, with the exception of tests)
  • I verified any variables that can be defined as constants (ie. in CONST.ts or at the top of the file that uses the constant) are defined as such
  • If a new component is created I verified that:
    • A similar component doesn't exist in the codebase
    • All props are defined accurately and each prop has a /** comment above it */
    • The file is named correctly
    • The component has a clear name that is non-ambiguous and the purpose of the component can be inferred from the name alone
    • The only data being stored in the state is data necessary for rendering and nothing else
    • For Class Components, any internal methods passed to components event handlers are bound to this properly so there are no scoping issues (i.e. for onClick={this.submit} the method this.submit should be bound to this in the constructor)
    • Any internal methods bound to this are necessary to be bound (i.e. avoid this.submit = this.submit.bind(this); if this.submit is never passed to a component event handler like onClick)
    • All JSX used for rendering exists in the render method
    • The component has the minimum amount of code necessary for its purpose, and it is broken down into smaller components in order to separate concerns and functions
  • If any new file was added I verified that:
    • The file has a description of what it does and/or why is needed at the top of the file if the code is not self explanatory
  • If a new CSS style is added I verified that:
    • A similar style doesn't already exist
    • The style can't be created with an existing StyleUtils function (i.e. StyleUtils.getBackgroundAndBorderStyle(theme.componentBG)
  • If the PR modifies code that runs when editing or sending messages, I tested and verified there is no unexpected behavior for all supported markdown - URLs, single line code, code blocks, quotes, headings, bold, strikethrough, and italic.
  • If the PR modifies a generic component, I tested and verified that those changes do not break usages of that component in the rest of the App (i.e. if a shared library or component like Avatar is modified, I verified that Avatar is working as expected in all cases)
  • If the PR modifies a component related to any of the existing Storybook stories, I tested and verified all stories for that component are still working as expected.
  • If the PR modifies a component or page that can be accessed by a direct deeplink, I verified that the code functions as expected when the deeplink is used - from a logged in and logged out account.
  • If the PR modifies the UI (e.g. new buttons, new UI components, changing the padding/spacing/sizing, moving components, etc) or modifies the form input styles:
    • I verified that all the inputs inside a form are aligned with each other.
    • I added Design label and/or tagged @Expensify/design so the design team can review the changes.
  • If a new page is added, I verified it's using the ScrollView component to make it scrollable when more elements are added to the page.
  • For any bug fix or new feature in this PR, I verified that sufficient unit tests are included to prevent regressions in this flow.
  • If the main branch was merged into this PR after a review, I tested again and verified the outcome was still expected according to the Test steps.
  • I have checked off every checkbox in the PR reviewer checklist, including those that don't apply to this PR.

Screenshots/Videos

Monosnap.screencast.2025-12-22.04-26-34.mp4
Android: HybridApp
Android: mWeb Chrome
iOS: HybridApp
iOS: mWeb Safari
MacOS: Chrome / Safari

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LGTM! 🚀

@melvin-bot melvin-bot bot requested a review from NikkiWines December 21, 2025 23:04
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Looks good 👍 thank you for adding tests 🙇

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NikkiWines commented Dec 22, 2025

@mountiny do you also want to review this? asked 1:1 we're good

@NikkiWines NikkiWines merged commit e1f88db into Expensify:main Dec 22, 2025
32 of 33 checks passed
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✋ This PR was not deployed to staging yet because QA is ongoing. It will be automatically deployed to staging after the next production release.

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🚀 Deployed to staging by https://github.com/NikkiWines in version: 9.2.86-0 🚀

platform result
🖥 desktop 🖥 success ✅
🕸 web 🕸 success ✅
🤖 android 🤖 failure ❌
🍎 iOS 🍎 success ✅

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🚀 Deployed to production by https://github.com/marcaaron in version: 9.2.86-4 🚀

platform result
🖥 desktop 🖥 success ✅
🕸 web 🕸 success ✅
🤖 android 🤖 success ✅
🍎 iOS 🍎 success ✅

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6 participants