Mirrors/i2pd
2
0
Fork 0
mirror of https://github.com/PurpleI2P/i2pd.git synced 2025-01-22 13:27:17 +01:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

send SetDateMessage

Browse source
This commit is contained in:
orignal 2016-05-27 16:22:42 -04:00
parent 8622385e88
commit 1a9422c3f9
2 changed files with 64 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

57
I2CP.cpp
View file

@ -1,9 +1,9 @@
#include <string.h>
#include "I2PEndian.h"
#include "Log.h"
#include "Timestamp.h"
#include "I2CP.h"
namespace i2p
{
namespace client
@ -104,14 +104,67 @@ namespace client
{
}
void I2CPSession::SendI2CPMessage (uint8_t type, const uint8_t * payload, size_t len)
{
auto l = len + I2CP_HEADER_SIZE;
uint8_t * buf = new uint8_t[l];
htobe32buf (buf + I2CP_HEADER_LENGTH_OFFSET, len);
buf[I2CP_HEADER_TYPE_OFFSET] = type;
memcpy (buf + I2CP_HEADER_SIZE, payload, len);
boost::asio::async_write (*m_Socket, boost::asio::buffer (buf, l), boost::asio::transfer_all (),
std::bind(&I2CPSession::HandleI2CPMessageSent, shared_from_this (),
std::placeholders::_1, std::placeholders::_2, buf));
}
void I2CPSession::HandleI2CPMessageSent (const boost::system::error_code& ecode, std::size_t bytes_transferred, const uint8_t * buf)
{
delete[] buf;
if (ecode && ecode != boost::asio::error::operation_aborted)
Terminate ();
}
std::string I2CPSession::ExtractString (const uint8_t * buf, size_t len)
{
uint8_t l = buf[0];
if (l > len) l = len;
return std::string ((const char *)buf, l);
}
size_t I2CPSession::PutString (uint8_t * buf, size_t len, const std::string& str)
{
auto l = str.length ();
if (l + 1 >= len) l = len - 1;
if (l > 255) l = 255; // 1 byte max
buf[0] = l;
memcpy (buf + 1, str.c_str (), l);
return l + 1;
}
void I2CPSession::GetDateMessageHandler (const uint8_t * buf, size_t len)
{
// get version
auto version = ExtractString (buf, len);
auto l = version.length () + 1 + 8;
uint8_t * payload = new uint8_t[l];
// set date
auto ts = i2p::util::GetMillisecondsSinceEpoch ();
htobe64buf (payload, ts);
// echo vesrion back
PutString (payload + 8, l - 8, version);
SendI2CPMessage (I2CP_SET_DATE_MESSAGE, payload, l);
}
void I2CPSession::CreateSessionMessageHandler (const uint8_t * buf, size_t len)
{
// TODO
m_Destination = std::make_shared<I2CPDestination>(*this, nullptr, false);
}
I2CPServer::I2CPServer (const std::string& interface, int port)
{
memset (m_MessagesHandlers, 0, sizeof (m_MessagesHandlers));
m_MessagesHandlers[I2CP_GET_DATE_MESSAGE] = &I2CPSession::GetDateMessageHandler;
m_MessagesHandlers[I2CP_GET_DATE_MESSAGE] = &I2CPSession::GetDateMessageHandler;
m_MessagesHandlers[I2CP_CREATE_SESSION_MESSAGE ] = &I2CPSession::CreateSessionMessageHandler;
}
}
}

9
I2CP.h
View file

@ -19,6 +19,8 @@ namespace client
const size_t I2CP_HEADER_SIZE = I2CP_HEADER_TYPE_OFFSET + 1;
const uint8_t I2CP_GET_DATE_MESSAGE = 32;
const uint8_t I2CP_SET_DATE_MESSAGE = 33;
const uint8_t I2CP_CREATE_SESSION_MESSAGE = 1;
class I2CPSession;
class I2CPDestination: public LeaseSetDestination
@ -52,6 +54,7 @@ namespace client
// message handlers
void GetDateMessageHandler (const uint8_t * buf, size_t len);
void CreateSessionMessageHandler (const uint8_t * buf, size_t len);
private:
@ -61,6 +64,12 @@ namespace client
void HandleNextMessage (const uint8_t * buf);
void Terminate ();
void SendI2CPMessage (uint8_t type, const uint8_t * payload, size_t len);
void HandleI2CPMessageSent (const boost::system::error_code& ecode, std::size_t bytes_transferred, const uint8_t * buf);
std::string ExtractString (const uint8_t * buf, size_t len);
size_t PutString (uint8_t * buf, size_t len, const std::string& str);
private:
I2CPServer& m_Owner;