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[addrman] Specify max addresses and pct when calling GetAddresses()

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CAddrMan.GetAddr() would previously limit the number and percentage of
addresses returned (to ADDRMAN_GETADDR_MAX (1000) and
ADDRMAN_GETADDR_MAX_PCT (23) respectively). Instead, make it the callers
responsibility to specify the maximum addresses and percentage they want
returned.

For net_processing, the maximums are MAX_ADDR_TO_SEND (1000) and
MAX_PCT_ADDR_TO_SEND (23). For rpc/net, the maximum is specified by the
client.
This commit is contained in:
John Newbery
2020-07-23 15:34:40 +01:00
parent 3c93623be2
commit f26502e9fc
8 changed files with 35 additions and 38 deletions
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8
src/net.cpp
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@@ -2528,9 +2528,9 @@ void CConnman::AddNewAddresses(const std::vector<CAddress>& vAddr, const CAddres
addrman.Add(vAddr, addrFrom, nTimePenalty);
}
std::vector<CAddress> CConnman::GetAddresses()
std::vector<CAddress> CConnman::GetAddresses(size_t max_addresses, size_t max_pct)
{
std::vector<CAddress> addresses = addrman.GetAddr();
std::vector<CAddress> addresses = addrman.GetAddr(max_addresses, max_pct);
if (m_banman) {
addresses.erase(std::remove_if(addresses.begin(), addresses.end(),
[this](const CAddress& addr){return m_banman->IsDiscouraged(addr) || m_banman->IsBanned(addr);}),
@@ -2539,12 +2539,12 @@ std::vector<CAddress> CConnman::GetAddresses()
return addresses;
}
std::vector<CAddress> CConnman::GetAddresses(Network requestor_network)
std::vector<CAddress> CConnman::GetAddresses(Network requestor_network, size_t max_addresses, size_t max_pct)
{
const auto current_time = GetTime<std::chrono::microseconds>();
if (m_addr_response_caches.find(requestor_network) == m_addr_response_caches.end() ||
m_addr_response_caches[requestor_network].m_update_addr_response < current_time) {
m_addr_response_caches[requestor_network].m_addrs_response_cache = GetAddresses();
m_addr_response_caches[requestor_network].m_addrs_response_cache = GetAddresses(max_addresses, max_pct);
m_addr_response_caches[requestor_network].m_update_addr_response = current_time + std::chrono::hours(21) + GetRandMillis(std::chrono::hours(6));
}
return m_addr_response_caches[requestor_network].m_addrs_response_cache;