lokinet/llarp/messages/relay.cpp
dr7ana fa4471f566 {Remote,Local}RC's
- RemoteRC supplants most of the functionality throughout the code of RouterContact
- Next step will be to sort out CI issues, then see if we can get rid of either LocalRC (and therefore RouterContact entirely)
2023-11-02 05:30:49 -07:00

122 lines
3.2 KiB
C++

#include "relay.hpp"
#include <llarp/path/path_context.hpp>
#include <llarp/router/router.hpp>
#include <llarp/util/bencode.hpp>
namespace llarp
{
void
RelayUpstreamMessage::clear()
{
pathid.Zero();
enc.Clear();
nonce.Zero();
version = 0;
}
std::string
RelayUpstreamMessage::bt_encode() const
{
oxenc::bt_dict_producer btdp;
try
{
btdp.append("a", "u");
btdp.append("p", pathid.ToView());
btdp.append("v", llarp::constants::proto_version);
btdp.append("x", std::string_view{reinterpret_cast<const char*>(enc.data()), enc.size()});
btdp.append("y", std::string_view{reinterpret_cast<const char*>(nonce.data()), nonce.size()});
}
catch (...)
{
log::critical(link_cat, "Error: RelayUpstreamMessage failed to bt encode contents!");
}
return std::move(btdp).str();
}
bool
RelayUpstreamMessage::decode_key(const llarp_buffer_t& key, llarp_buffer_t* buf)
{
bool read = false;
if (!BEncodeMaybeReadDictEntry("p", pathid, read, key, buf))
return false;
if (!BEncodeMaybeVerifyVersion("v", version, llarp::constants::proto_version, read, key, buf))
return false;
if (!BEncodeMaybeReadDictEntry("x", enc, read, key, buf))
return false;
if (!BEncodeMaybeReadDictEntry("y", nonce, read, key, buf))
return false;
return read;
}
bool
RelayUpstreamMessage::handle_message(Router* r) const
{
auto path = r->path_context().GetByDownstream(conn->remote_rc.router_id(), pathid);
if (path)
{
return path->HandleUpstream(llarp_buffer_t(enc), nonce, r);
}
return false;
}
void
RelayDownstreamMessage::clear()
{
pathid.Zero();
enc.Clear();
nonce.Zero();
version = 0;
}
std::string
RelayDownstreamMessage::bt_encode() const
{
oxenc::bt_dict_producer btdp;
try
{
btdp.append("a", "d");
btdp.append("p", pathid.ToView());
btdp.append("v", llarp::constants::proto_version);
btdp.append("x", std::string_view{reinterpret_cast<const char*>(enc.data()), enc.size()});
btdp.append("y", std::string_view{reinterpret_cast<const char*>(nonce.data()), nonce.size()});
}
catch (...)
{
log::critical(link_cat, "Error: RelayDownstreamMessage failed to bt encode contents!");
}
return std::move(btdp).str();
}
bool
RelayDownstreamMessage::decode_key(const llarp_buffer_t& key, llarp_buffer_t* buf)
{
bool read = false;
if (!BEncodeMaybeReadDictEntry("p", pathid, read, key, buf))
return false;
if (!BEncodeMaybeVerifyVersion("v", version, llarp::constants::proto_version, read, key, buf))
return false;
if (!BEncodeMaybeReadDictEntry("x", enc, read, key, buf))
return false;
if (!BEncodeMaybeReadDictEntry("y", nonce, read, key, buf))
return false;
return read;
}
bool
RelayDownstreamMessage::handle_message(Router* r) const
{
auto path = r->path_context().GetByUpstream(conn->remote_rc.router_id(), pathid);
if (path)
{
return path->HandleDownstream(llarp_buffer_t(enc), nonce, r);
}
llarp::LogWarn("no path for downstream message id=", pathid);
return false;
}
} // namespace llarp