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doc: improve documentation around connection limit maximums

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Co-authored-by: Martin Zumsande <mzumsande@gmail.com>
This commit is contained in:
Amiti Uttarwar 2023-08-30 14:38:47 -07:00 committed by Martin Zumsande
parent adc171edf4
commit df69b22f2e
2 changed files with 13 additions and 1 deletions
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2
src/init.cpp
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@ -489,7 +489,7 @@ void SetupServerArgs(ArgsManager& argsman)
argsman.AddArg("-forcednsseed", strprintf("Always query for peer addresses via DNS lookup (default: %u)", DEFAULT_FORCEDNSSEED), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION); argsman.AddArg("-forcednsseed", strprintf("Always query for peer addresses via DNS lookup (default: %u)", DEFAULT_FORCEDNSSEED), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-listen", strprintf("Accept connections from outside (default: %u if no -proxy, -connect or -maxconnections=0)", DEFAULT_LISTEN), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION); argsman.AddArg("-listen", strprintf("Accept connections from outside (default: %u if no -proxy, -connect or -maxconnections=0)", DEFAULT_LISTEN), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-listenonion", strprintf("Automatically create Tor onion service (default: %d)", DEFAULT_LISTEN_ONION), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION); argsman.AddArg("-listenonion", strprintf("Automatically create Tor onion service (default: %d)", DEFAULT_LISTEN_ONION), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-maxconnections=<n>", strprintf("Maintain at most <n> connections to peers (default: %u). This limit does not apply to connections manually added via -addnode or the addnode RPC, which have a separate limit of %u.", DEFAULT_MAX_PEER_CONNECTIONS, MAX_ADDNODE_CONNECTIONS), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION); argsman.AddArg("-maxconnections=<n>", strprintf("Maintain at most <n> automatic connections to peers (default: %u). This limit does not apply to connections manually added via -addnode or the addnode RPC, which have a separate limit of %u.", DEFAULT_MAX_PEER_CONNECTIONS, MAX_ADDNODE_CONNECTIONS), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-maxreceivebuffer=<n>", strprintf("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)", DEFAULT_MAXRECEIVEBUFFER), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION); argsman.AddArg("-maxreceivebuffer=<n>", strprintf("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)", DEFAULT_MAXRECEIVEBUFFER), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-maxsendbuffer=<n>", strprintf("Maximum per-connection memory usage for the send buffer, <n>*1000 bytes (default: %u)", DEFAULT_MAXSENDBUFFER), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION); argsman.AddArg("-maxsendbuffer=<n>", strprintf("Maximum per-connection memory usage for the send buffer, <n>*1000 bytes (default: %u)", DEFAULT_MAXSENDBUFFER), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-maxtimeadjustment", strprintf("Maximum allowed median peer time offset adjustment. Local perspective of time may be influenced by outbound peers forward or backward by this amount (default: %u seconds).", DEFAULT_MAX_TIME_ADJUSTMENT), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION); argsman.AddArg("-maxtimeadjustment", strprintf("Maximum allowed median peer time offset adjustment. Local perspective of time may be influenced by outbound peers forward or backward by this amount (default: %u seconds).", DEFAULT_MAX_TIME_ADJUSTMENT), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);

12
src/net.h
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@ -1474,8 +1474,19 @@ private:
std::unique_ptr<CSemaphore> semOutbound; std::unique_ptr<CSemaphore> semOutbound;
std::unique_ptr<CSemaphore> semAddnode; std::unique_ptr<CSemaphore> semAddnode;
/**
* Maximum number of automatic connections permitted, excluding manual
* connections but including inbounds. May be changed by the user and is
* potentially limited by the operating system (number of file descriptors).
*/
int m_max_automatic_connections; int m_max_automatic_connections;
/*
* Maximum number of peers by connection type. Might vary from defaults
* based on -maxconnections init value.
*/
// How many full-relay (tx, block, addr) outbound peers we want // How many full-relay (tx, block, addr) outbound peers we want
int m_max_outbound_full_relay; int m_max_outbound_full_relay;
@ -1487,6 +1498,7 @@ private:
int m_max_feeler{MAX_FEELER_CONNECTIONS}; int m_max_feeler{MAX_FEELER_CONNECTIONS};
int m_max_automatic_outbound; int m_max_automatic_outbound;
int m_max_inbound; int m_max_inbound;
bool m_use_addrman_outgoing; bool m_use_addrman_outgoing;
CClientUIInterface* m_client_interface; CClientUIInterface* m_client_interface;
NetEventsInterface* m_msgproc; NetEventsInterface* m_msgproc;