microg / microg/GmsCore

Gcm disconnected

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#644 2 comments 2 reactions 0 assignees View on GitHub

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Dominant language
Java
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Avg merge
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Merged PRs (30d)
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Description

I found that the official gcm client connect to the servers below.
How about adding a feature that switch to another server while microg cannot connect to the 1st one.

mtalk.google.com
mtalk1.google.com
mtalk2.google.com
mtalk3.google.com
mtalk4.google.com
mtalk5.google.com
mtalk6.google.com
mtalk7.google.com
mtalk8.google.com
mtalk9.google.com
alt1-mtalk.google.com
alt2-mtalk.google.com
alt3-mtalk.google.com
alt4-mtalk.google.com
alt5-mtalk.google.com
alt6-mtalk.google.com
alt7-mtalk.google.com
alt8-mtalk.google.com
alt9-mtalk.google.com

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the GCM connection and server-selection entry points in GmsCore, then inspect how connection failures are retried. Use the listed mtalk.google.com hosts as the intended fallback set; done means an unavailable first server leads to trying another server. Confirm the expected behavior with maintainers before starting, since the issue has been inactive for years.

Written by the indexing model from the issue text.

Assessment

Tech stack
android, java
Domain
mobile, networking
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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