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Code Issues Releases Activity

try routers before random router

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This commit is contained in:
orignal 2021-07-27 18:35:30 -04:00
parent 513493fa78
commit e68cff8bba
1 changed files with 21 additions and 8 deletions
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29
libi2pd/NetDb.cpp
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@ -1230,25 +1230,38 @@ namespace data
// try random router
if (it != m_RouterInfos.end () && !it->second->IsUnreachable () && filter (it->second))
return it->second;
// try closest routers
// try routers after
auto it1 = it; it1++;
// forward
while (it1 != m_RouterInfos.end ())
{
if (!it1->second->IsUnreachable () && filter (it1->second))
return it1->second;
it1++;
}
// still not found, try from the beginning
// still not found, try some routers before
if (ind)
{
ind = rand () % ind;
it1 = m_RouterInfos.begin ();
while (it1 != it && it1 != m_RouterInfos.end ())
std::advance (it1, ind);
auto it2 = it1;
while (it2 != it && it2 != m_RouterInfos.end ())
{
if (!it1->second->IsUnreachable () && filter (it1->second))
return it1->second;
it1++;
}
if (!it2->second->IsUnreachable () && filter (it2->second))
return it2->second;
it2++;
}
if (ind)
{
// still not found, try from the begining
it2 = m_RouterInfos.begin ();
while (it2 != it1 && it2 != m_RouterInfos.end ())
{
if (!it2->second->IsUnreachable () && filter (it2->second))
return it2->second;
it2++;
}
}
}
return nullptr; // seems we have too few routers