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leaset creation timeout

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orignal 2020-12-25 09:01:55 -05:00
parent d34dc397e8
commit b4236b04c6
2 changed files with 27 additions and 2 deletions
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24
libi2pd_client/I2CP.cpp
View file

@ -26,7 +26,8 @@ namespace client
I2CPDestination::I2CPDestination (boost::asio::io_service& service, std::shared_ptr<I2CPSession> owner,
std::shared_ptr<const i2p::data::IdentityEx> identity, bool isPublic, const std::map<std::string, std::string>& params):
LeaseSetDestination (service, isPublic, &params),
m_Owner (owner), m_Identity (identity), m_EncryptionKeyType (m_Identity->GetCryptoKeyType ())
m_Owner (owner), m_Identity (identity), m_EncryptionKeyType (m_Identity->GetCryptoKeyType ()),
m_IsCreatingLeaseSet (false), m_LeaseSetCreationTimer (service)
{
}
@ -34,6 +35,7 @@ namespace client
{
LeaseSetDestination::Stop ();
m_Owner = nullptr;
m_LeaseSetCreationTimer.cancel ();
}
void I2CPDestination::SetEncryptionPrivateKey (const uint8_t * key)
@ -84,6 +86,11 @@ namespace client
void I2CPDestination::CreateNewLeaseSet (std::vector<std::shared_ptr<i2p::tunnel::InboundTunnel> > tunnels)
{
if (m_IsCreatingLeaseSet)
{
LogPrint (eLogInfo, "I2CP: LeaseSet is being created");
return;
}
uint8_t priv[256] = {0};
i2p::data::LocalLeaseSet ls (m_Identity, priv, tunnels); // we don't care about encryption key, we need leases only
m_LeaseSetExpirationTime = ls.GetExpirationTime ();
@ -94,15 +101,28 @@ namespace client
uint16_t sessionID = m_Owner->GetSessionID ();
if (sessionID != 0xFFFF)
{
m_IsCreatingLeaseSet = true;
htobe16buf (leases - 3, sessionID);
size_t l = 2/*sessionID*/ + 1/*num leases*/ + i2p::data::LEASE_SIZE*tunnels.size ();
m_Owner->SendI2CPMessage (I2CP_REQUEST_VARIABLE_LEASESET_MESSAGE, leases - 3, l);
m_LeaseSetCreationTimer.expires_from_now (boost::posix_time::seconds (I2CP_LEASESET_CREATION_TIMEOUT));
auto s = GetSharedFromThis ();
m_LeaseSetCreationTimer.async_wait ([s](const boost::system::error_code& ecode)
{
if (ecode != boost::asio::error::operation_aborted)
{
LogPrint (eLogInfo, "I2CP: LeaseSet creation timeout expired. Terminate");
if (s->m_Owner) s->m_Owner->Stop ();
}
});
}
}
}
void I2CPDestination::LeaseSetCreated (const uint8_t * buf, size_t len)
{
m_IsCreatingLeaseSet = false;
m_LeaseSetCreationTimer.cancel ();
auto ls = std::make_shared<i2p::data::LocalLeaseSet> (m_Identity, buf, len);
ls->SetExpirationTime (m_LeaseSetExpirationTime);
SetLeaseSet (ls);
@ -110,6 +130,8 @@ namespace client
void I2CPDestination::LeaseSet2Created (uint8_t storeType, const uint8_t * buf, size_t len)
{
m_IsCreatingLeaseSet = false;
m_LeaseSetCreationTimer.cancel ();
auto ls = (storeType == i2p::data::NETDB_STORE_TYPE_ENCRYPTED_LEASESET2) ?
std::make_shared<i2p::data::LocalEncryptedLeaseSet2> (m_Identity, buf, len):
std::make_shared<i2p::data::LocalLeaseSet2> (storeType, m_Identity, buf, len);

5
libi2pd_client/I2CP.h
View file

@ -27,7 +27,8 @@ namespace client
const size_t I2CP_SESSION_BUFFER_SIZE = 4096;
const size_t I2CP_MAX_MESSAGE_LENGTH = 65535;
const size_t I2CP_MAX_SEND_QUEUE_SIZE = 1024*1024; // in bytes, 1M
const int I2CP_LEASESET_CREATION_TIMEOUT = 10; // in seconds
const size_t I2CP_HEADER_LENGTH_OFFSET = 0;
const size_t I2CP_HEADER_TYPE_OFFSET = I2CP_HEADER_LENGTH_OFFSET + 4;
const size_t I2CP_HEADER_SIZE = I2CP_HEADER_TYPE_OFFSET + 1;
@ -109,6 +110,8 @@ namespace client
std::shared_ptr<i2p::crypto::ECIESX25519AEADRatchetDecryptor> m_ECIESx25519Decryptor;
uint8_t m_ECIESx25519PrivateKey[32];
uint64_t m_LeaseSetExpirationTime;
bool m_IsCreatingLeaseSet;
boost::asio::deadline_timer m_LeaseSetCreationTimer;
};
class RunnableI2CPDestination: private i2p::util::RunnableService, public I2CPDestination