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HostLookupMessage

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orignal 2016-06-01 11:11:18 -04:00
parent 153d883aeb
commit 6538a2e673
2 changed files with 67 additions and 2 deletions
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61
I2CP.cpp
View File

@ -287,6 +287,66 @@ namespace client
LogPrint (eLogError, "I2CP: unexpected sessionID ", sessionID);
}
void I2CPSession::HostLookupMessageHandler (const uint8_t * buf, size_t len)
{
uint16_t sessionID = bufbe16toh (buf);
if (sessionID == m_SessionID)
{
uint32_t requestID = bufbe32toh (buf + 2);
//uint32_t timeout = bufbe32toh (buf + 6);
if (!buf[10]) // request type = 0 (hash)
{
if (m_Destination)
{
auto ls = m_Destination->FindLeaseSet (buf + 11);
if (ls)
SendHostReplyMessage (requestID, ls->GetIdentity ());
else
{
auto s = shared_from_this ();
m_Destination->RequestDestination (buf + 11,
[s, requestID](std::shared_ptr<i2p::data::LeaseSet> leaseSet)
{
s->SendHostReplyMessage (requestID, leaseSet ? leaseSet->GetIdentity () : nullptr);
});
}
}
else
SendHostReplyMessage (requestID, nullptr);
}
else
{
LogPrint (eLogError, "I2CP: request type ", (int)buf[8], " is not supported");
SendHostReplyMessage (requestID, nullptr);
}
}
else
LogPrint (eLogError, "I2CP: unexpected sessionID ", sessionID);
}
void I2CPSession::SendHostReplyMessage (uint32_t requestID, std::shared_ptr<const i2p::data::IdentityEx> identity)
{
if (identity)
{
size_t l = identity->GetFullLen () + 7;
uint8_t * buf = new uint8_t[l];
htobe16buf (buf, m_SessionID);
htobe32buf (buf + 2, requestID);
buf[6] = 0; // result code
identity->ToBuffer (buf + 7, l - 7);
SendI2CPMessage (I2CP_HOST_REPLY_MESSAGE, buf, l);
delete[] buf;
}
else
{
uint8_t buf[7];
htobe16buf (buf, m_SessionID);
htobe32buf (buf + 2, requestID);
buf[6] = 1; // result code
SendI2CPMessage (I2CP_HOST_REPLY_MESSAGE, buf, 7);
}
}
I2CPServer::I2CPServer (const std::string& interface, int port):
m_IsRunning (false), m_Thread (nullptr),
m_Acceptor (m_Service, boost::asio::ip::tcp::endpoint(boost::asio::ip::address::from_string(interface), port))
@ -297,6 +357,7 @@ namespace client
m_MessagesHandlers[I2CP_DESTROY_SESSION_MESSAGE] = &I2CPSession::DestroySessionMessageHandler;
m_MessagesHandlers[I2CP_CREATE_LEASESET_MESSAGE] = &I2CPSession::CreateLeaseSetMessageHandler;
m_MessagesHandlers[I2CP_SEND_MESSAGE_MESSAGE] = &I2CPSession::SendMessageMessageHandler;
m_MessagesHandlers[I2CP_HOST_LOOKUP_MESSAGE] = &I2CPSession::HostLookupMessageHandler;
}
I2CPServer::~I2CPServer ()

4
I2CP.h
View File

@ -36,6 +36,8 @@ namespace client
const uint8_t I2CP_REQUEST_VARIABLE_LEASESET_MESSAGE = 37;
const uint8_t I2CP_CREATE_LEASESET_MESSAGE = 4;
const uint8_t I2CP_SEND_MESSAGE_MESSAGE = 5;
const uint8_t I2CP_HOST_LOOKUP_MESSAGE = 38;
const uint8_t I2CP_HOST_REPLY_MESSAGE = 39;
class I2CPSession;
class I2CPDestination: public LeaseSetDestination
@ -85,6 +87,7 @@ namespace client
void DestroySessionMessageHandler (const uint8_t * buf, size_t len);
void CreateLeaseSetMessageHandler (const uint8_t * buf, size_t len);
void SendMessageMessageHandler (const uint8_t * buf, size_t len);
void HostLookupMessageHandler (const uint8_t * buf, size_t len);
private:
@ -99,6 +102,7 @@ namespace client
size_t PutString (uint8_t * buf, size_t len, const std::string& str);
void SendSessionStatusMessage (uint8_t status);
void SendHostReplyMessage (uint32_t requestID, std::shared_ptr<const i2p::data::IdentityEx> identity);
private: