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peer+server: add new config option to optionally disable stall detection #1752

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merged 1 commit into from Oct 5, 2021
Merged

peer+server: add new config option to optionally disable stall detection #1752

merged 1 commit into from Oct 5, 2021

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Roasbeef
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In this commit, we add a new config options that allows one to start
btcd in an operating mode that disables the stall detection. This can
be useful in simnet/regtest integration tests settings where it's
important that btcd holds on to its possibly sole connection to the
only other node in the test harness.

A new config flag has been added to gate this behavior, which is off by
default.

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coveralls commented Sep 16, 2021 •
edited

Pull Request Test Coverage Report for Build 1296745038

  • 1 of 23 (4.35%) changed or added relevant lines in 3 files are covered.
  • 11 unchanged lines in 2 files lost coverage.
  • Overall coverage decreased (-11.6%) to 52.965%
Changes Missing Coverage Covered Lines Changed/Added Lines %
peer/peer.go 1 4 25.0%
config.go 0 7 0.0%
server.go 0 12 0.0%
Files with Coverage Reduction New Missed Lines %
connmgr/connmanager.go 3 86.07%
peer/peer.go 8 75.49%
Totals Coverage Status
Change from base Build 1246015466: -11.6%
Covered Lines: 21085
Relevant Lines: 39809
💛 - Coveralls

@kcalvinalvin
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For user friendliness, I think it'd be better if the loadConfig() function had a check to error out if the DisableStallHandler flag is given when the node is on mainnet (since you'd never want this on for mainnet).

Fairly sure you wouldn't want this for testnet either..

guggero
guggero approved these changes Sep 16, 2021
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LGTM, pending @kcalvinalvin's suggestion 🎉

@jcvernaleo
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I agree with the check to disable this on mainnet. No opinion on testnet.

@guggero
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guggero commented Sep 20, 2021

We definitely need this to fix our itest flakes! I'm seeing this disconnect problem more often now.
cc @bhandras.

bhandras
bhandras approved these changes Sep 20, 2021
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LGTM! 🎉

peer/peer.go Outdated Show resolved Hide resolved
@jcvernaleo
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Could you rebase this PR so it runs the correct actions?

@guggero
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guggero commented Sep 30, 2021

Hmm, this seems to block btcd completely since the stallControl channel isn't being drained. I have a fixed version here: https://github.com/guggero/btcd/tree/no-stall

@guggero guggero mentioned this pull request Sep 30, 2021
Merged
@Roasbeef Roasbeef force-pushed the config-disable-stall-handler branch from 361233c to ef3e88c Compare October 1, 2021 21:50
@Roasbeef
peer+server: add new config option to optionally disable stall detection
e98a1a1 
In this commit, we add a new config options that allows one to start
`btcd` in an operating mode that disables the stall detection. This can
be useful in simnet/regtest integration tests settings where it's
important that `btcd` holds on to its possibly sole connection to the
only other node in the test harness.

A new config flag has been added to gate this behavior, which is off by
default.
@Roasbeef Roasbeef force-pushed the config-disable-stall-handler branch from ef3e88c to e98a1a1 Compare October 1, 2021 21:56
@Roasbeef
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Roasbeef commented Oct 1, 2021

@jcvernaleo @kcalvinalvin PTAL

Applied that fix, thanks @guggero!

guggero
guggero approved these changes Oct 5, 2021
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tACK e98a1a1.

@Roasbeef Roasbeef merged commit e344999 into btcsuite:master Oct 5, 2021
@kcalvinalvin
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Post merge ACK e98a1a1b4cd7c59465a8f21bce80839b99a7337e. Github notifications are terrible...

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@bhandras bhandras bhandras approved these changes

@guggero guggero guggero approved these changes

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@Roasbeef @coveralls @kcalvinalvin @jcvernaleo @guggero @bhandras