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This commit is contained in:
Anatolii Cherednichenko 2022-08-30 02:11:28 +03:00
parent 3ddb370718
commit 55534ea002
140 changed files with 46068 additions and 48277 deletions
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159
libi2pd_client/MatchedDestination.cpp
View file

@ -11,97 +11,86 @@
#include "ClientContext.h"
namespace i2p
{
namespace client
{
MatchedTunnelDestination::MatchedTunnelDestination(const i2p::data::PrivateKeys & keys, const std::string & remoteName, const std::map<std::string, std::string> * params)
: RunnableClientDestination(keys, false, params),
m_RemoteName(remoteName) {}
namespace i2p {
namespace client {
MatchedTunnelDestination::MatchedTunnelDestination(const i2p::data::PrivateKeys &keys,
const std::string &remoteName,
const std::map <std::string, std::string> *params)
: RunnableClientDestination(keys, false, params),
m_RemoteName(remoteName) {}
void MatchedTunnelDestination::ResolveCurrentLeaseSet()
{
auto addr = i2p::client::context.GetAddressBook().GetAddress (m_RemoteName);
if(addr && addr->IsIdentHash ())
{
m_RemoteIdent = addr->identHash;
auto ls = FindLeaseSet(m_RemoteIdent);
if(ls)
HandleFoundCurrentLeaseSet(ls);
else
RequestDestination(m_RemoteIdent, std::bind(&MatchedTunnelDestination::HandleFoundCurrentLeaseSet, this, std::placeholders::_1));
}
else
LogPrint(eLogWarning, "Destination: Failed to resolve ", m_RemoteName);
}
void MatchedTunnelDestination::ResolveCurrentLeaseSet() {
auto addr = i2p::client::context.GetAddressBook().GetAddress(m_RemoteName);
if (addr && addr->IsIdentHash()) {
m_RemoteIdent = addr->identHash;
auto ls = FindLeaseSet(m_RemoteIdent);
if (ls)
HandleFoundCurrentLeaseSet(ls);
else
RequestDestination(m_RemoteIdent,
std::bind(&MatchedTunnelDestination::HandleFoundCurrentLeaseSet, this,
std::placeholders::_1));
} else
LogPrint(eLogWarning, "Destination: Failed to resolve ", m_RemoteName);
}
void MatchedTunnelDestination::HandleFoundCurrentLeaseSet(std::shared_ptr<const i2p::data::LeaseSet> ls)
{
if(ls)
{
LogPrint(eLogDebug, "Destination: Resolved remote lease set for ", m_RemoteName);
m_RemoteLeaseSet = ls;
}
else
{
m_ResolveTimer->expires_from_now(boost::posix_time::seconds(1));
m_ResolveTimer->async_wait([&](const boost::system::error_code & ec) {
if(!ec) ResolveCurrentLeaseSet();
});
}
}
void MatchedTunnelDestination::HandleFoundCurrentLeaseSet(std::shared_ptr<const i2p::data::LeaseSet> ls) {
if (ls) {
LogPrint(eLogDebug, "Destination: Resolved remote lease set for ", m_RemoteName);
m_RemoteLeaseSet = ls;
} else {
m_ResolveTimer->expires_from_now(boost::posix_time::seconds(1));
m_ResolveTimer->async_wait([&](const boost::system::error_code &ec) {
if (!ec) ResolveCurrentLeaseSet();
});
}
}
void MatchedTunnelDestination::Start()
{
ClientDestination::Start();
m_ResolveTimer = std::make_shared<boost::asio::deadline_timer>(GetService());
GetTunnelPool()->SetCustomPeerSelector(this);
ResolveCurrentLeaseSet();
}
void MatchedTunnelDestination::Start() {
ClientDestination::Start();
m_ResolveTimer = std::make_shared<boost::asio::deadline_timer>(GetService());
GetTunnelPool()->SetCustomPeerSelector(this);
ResolveCurrentLeaseSet();
}
void MatchedTunnelDestination::Stop()
{
ClientDestination::Stop();
if(m_ResolveTimer)
m_ResolveTimer->cancel();
}
void MatchedTunnelDestination::Stop() {
ClientDestination::Stop();
if (m_ResolveTimer)
m_ResolveTimer->cancel();
}
bool MatchedTunnelDestination::SelectPeers(i2p::tunnel::Path & path, int hops, bool inbound)
{
auto pool = GetTunnelPool();
if(!i2p::tunnel::StandardSelectPeers(path, hops, inbound,
std::bind(&i2p::tunnel::TunnelPool::SelectNextHop, pool, std::placeholders::_1, std::placeholders::_2)))
return false;
// more here for outbound tunnels
if(!inbound && m_RemoteLeaseSet)
{
if(m_RemoteLeaseSet->IsExpired())
ResolveCurrentLeaseSet();
if(m_RemoteLeaseSet && !m_RemoteLeaseSet->IsExpired())
{
// remote lease set is good
auto leases = m_RemoteLeaseSet->GetNonExpiredLeases();
// pick lease
std::shared_ptr<i2p::data::RouterInfo> obep;
while(!obep && leases.size() > 0)
{
auto idx = rand() % leases.size();
auto lease = leases[idx];
obep = i2p::data::netdb.FindRouter(lease->tunnelGateway);
leases.erase(leases.begin()+idx);
}
if(obep)
{
path.Add (obep);
LogPrint(eLogDebug, "Destination: Found OBEP matching IBGW");
} else
LogPrint(eLogWarning, "Destination: Could not find proper IBGW for matched outbound tunnel");
}
}
return true;
}
}
bool MatchedTunnelDestination::SelectPeers(i2p::tunnel::Path &path, int hops, bool inbound) {
auto pool = GetTunnelPool();
if (!i2p::tunnel::StandardSelectPeers(path, hops, inbound,
std::bind(&i2p::tunnel::TunnelPool::SelectNextHop, pool,
std::placeholders::_1, std::placeholders::_2)))
return false;
// more here for outbound tunnels
if (!inbound && m_RemoteLeaseSet) {
if (m_RemoteLeaseSet->IsExpired())
ResolveCurrentLeaseSet();
if (m_RemoteLeaseSet && !m_RemoteLeaseSet->IsExpired()) {
// remote lease set is good
auto leases = m_RemoteLeaseSet->GetNonExpiredLeases();
// pick lease
std::shared_ptr <i2p::data::RouterInfo> obep;
while (!obep && leases.size() > 0) {
auto idx = rand() % leases.size();
auto lease = leases[idx];
obep = i2p::data::netdb.FindRouter(lease->tunnelGateway);
leases.erase(leases.begin() + idx);
}
if (obep) {
path.Add(obep);
LogPrint(eLogDebug, "Destination: Found OBEP matching IBGW");
} else
LogPrint(eLogWarning, "Destination: Could not find proper IBGW for matched outbound tunnel");
}
}
return true;
}
}
}