lokinet/llarp/messages/relay_status.hpp
2019-08-02 10:28:09 +01:00

108 lines
2.4 KiB
C++

#ifndef LLARP_RELAY_STATUS_HPP
#define LLARP_RELAY_STATUS_HPP
#include <crypto/encrypted_frame.hpp>
#include <crypto/types.hpp>
#include <messages/link_message.hpp>
#include <path/path_types.hpp>
#include <pow.hpp>
#include <array>
#include <memory>
namespace llarp
{
// forward declare
struct AbstractRouter;
namespace path
{
struct PathContext;
struct IHopHandler;
} // namespace path
struct LR_StatusRecord
{
static constexpr uint64_t SUCCESS = 1;
static constexpr uint64_t FAIL_TIMEOUT = 1 << 1;
static constexpr uint64_t FAIL_CONGESTION = 1 << 2;
static constexpr uint64_t FAIL_DEST_UNKNOWN = 1 << 3;
static constexpr uint64_t FAIL_DECRYPT_ERROR = 1 << 4;
static constexpr uint64_t FAIL_MALFORMED_RECORD = 1 << 5;
static constexpr uint64_t FAIL_DEST_INVALID = 1 << 6;
static constexpr uint64_t FAIL_CANNOT_CONNECT = 1 << 7;
uint64_t status = 0;
uint64_t version = 0;
bool
BDecode(llarp_buffer_t *buf);
bool
BEncode(llarp_buffer_t *buf) const;
bool
operator==(const LR_StatusRecord &other) const;
private:
bool
OnKey(llarp_buffer_t *buffer, llarp_buffer_t *key);
};
struct LR_StatusMessage : public ILinkMessage
{
std::array< EncryptedFrame, 8 > frames;
PathID_t pathid;
uint64_t status = 0;
LR_StatusMessage(const std::array< EncryptedFrame, 8 > &_frames)
: ILinkMessage(), frames(_frames)
{
}
LR_StatusMessage() = default;
~LR_StatusMessage() = default;
void
Clear() override;
bool
DecodeKey(const llarp_buffer_t &key, llarp_buffer_t *buf) override;
bool
BEncode(llarp_buffer_t *buf) const override;
bool
HandleMessage(AbstractRouter *router) const override;
void
SetDummyFrames();
static bool
CreateAndSend(AbstractRouter *router, const PathID_t pathid,
const RouterID nextHop, const SharedSecret pathKey,
uint64_t status);
bool
AddFrame(const SharedSecret &pathKey, uint64_t newStatus);
static void
QueueSendMessage(AbstractRouter *router, const RouterID nextHop,
std::shared_ptr< LR_StatusMessage > msg);
static void
SendMessage(AbstractRouter *router, const RouterID nextHop,
std::shared_ptr< LR_StatusMessage > msg);
const char *
Name() const override
{
return "RelayStatus";
}
};
} // namespace llarp
#endif