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net: move state dependent peer services flags

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No behavior change. Just an intermediate refactoring.

By relocating the peer desirable services flags into the peer
manager, we allow the connections acceptance process to handle
post-IBD potential stalling scenarios.

In the follow-up commit(s), the desirable service flags will be
dynamically adjusted to detect post-IBD stalling scenarios (such
as a +48-hour inactive node that must prefer full node connections
instead of limited peer connections because they cannot provide
historical blocks). Additionally, this encapsulation enable us
to customize the connections decision-making process based on
new user's configurations in the future.
This commit is contained in:
furszy
2023-12-19 09:50:37 -03:00
parent f9ac96b8d6
commit 9f36e591c5
7 changed files with 50 additions and 44 deletions
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10
src/protocol.cpp
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@@ -125,18 +125,12 @@ bool CMessageHeader::IsCommandValid() const
return true;
}
ServiceFlags GetDesirableServiceFlags(ServiceFlags services) {
if ((services & NODE_NETWORK_LIMITED) && g_initial_block_download_completed) {
return ServiceFlags(NODE_NETWORK_LIMITED | NODE_WITNESS);
}
return ServiceFlags(NODE_NETWORK | NODE_WITNESS);
}
void SetServiceFlagsIBDCache(bool state) {
g_initial_block_download_completed = state;
}
bool GetServicesFlagsIBDCache() { return g_initial_block_download_completed; }
CInv::CInv()
{
type = 0;