lokinet/llarp/service/handler.hpp
2021-06-08 14:36:33 -04:00

85 lines
2.2 KiB
C++

#pragma once
#include <llarp/crypto/types.hpp>
#include <llarp/path/path.hpp>
#include "intro_set.hpp"
#include "convotag.hpp"
#include <memory>
#include <set>
namespace llarp
{
namespace service
{
struct ProtocolMessage;
struct RecvDataEvent
{
path::Path_ptr fromPath;
PathID_t pathid;
std::shared_ptr<ProtocolMessage> msg;
};
struct ProtocolMessage;
struct IDataHandler
{
virtual bool
HandleDataMessage(
path::Path_ptr path, const PathID_t from, std::shared_ptr<ProtocolMessage> msg) = 0;
virtual bool
GetCachedSessionKeyFor(const ConvoTag& remote, SharedSecret& secret) const = 0;
virtual void
PutCachedSessionKeyFor(const ConvoTag& remote, const SharedSecret& secret) = 0;
/// called when we send data to remote on a convotag
virtual void
ConvoTagTX(const ConvoTag& tag) = 0;
/// called when we got data from remote on a convotag
virtual void
ConvoTagRX(const ConvoTag& tag) = 0;
virtual void
RemoveConvoTag(const ConvoTag& remote) = 0;
virtual bool
HasConvoTag(const ConvoTag& remote) const = 0;
virtual void
PutSenderFor(const ConvoTag& remote, const ServiceInfo& si, bool inbound) = 0;
virtual bool
GetSenderFor(const ConvoTag& remote, ServiceInfo& si) const = 0;
virtual void
PutIntroFor(const ConvoTag& remote, const Introduction& intro) = 0;
virtual bool
GetIntroFor(const ConvoTag& remote, Introduction& intro) const = 0;
virtual void
PutReplyIntroFor(const ConvoTag& remote, const Introduction& intro) = 0;
virtual bool
GetReplyIntroFor(const ConvoTag& remote, Introduction& intro) const = 0;
virtual bool
GetConvoTagsForService(const Address& si, std::set<ConvoTag>& tag) const = 0;
virtual bool
HasInboundConvo(const Address& addr) const = 0;
virtual bool
HasOutboundConvo(const Address& addr) const = 0;
/// do we want a session outbound to addr
virtual bool
WantsOutboundSession(const Address& addr) const = 0;
virtual void
QueueRecvData(RecvDataEvent ev) = 0;
};
} // namespace service
} // namespace llarp