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85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
#pragma once
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#include <llarp/crypto/types.hpp>
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#include <llarp/dht/key.hpp>
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#include <llarp/router_id.hpp>
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#include <llarp/service/name.hpp>
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#include <oxenmq/address.h>
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#include <oxenmq/oxenmq.h>
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namespace llarp
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{
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struct Router;
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namespace rpc
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{
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/// The LokidRpcClient uses loki-mq to talk to make API requests to lokid.
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struct LokidRpcClient : public std::enable_shared_from_this<LokidRpcClient>
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{
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explicit LokidRpcClient(std::shared_ptr<oxenmq::OxenMQ> lmq, std::weak_ptr<Router> r);
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/// Connect to lokid async
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void ConnectAsync(oxenmq::address url);
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/// blocking request identity key from lokid
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/// throws on failure
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SecretKey ObtainIdentityKey();
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/// get what the current block height is according to oxend
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uint64_t BlockHeight() const
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{
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return m_BlockHeight;
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}
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void lookup_ons_hash(
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std::string namehash,
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std::function<void(std::optional<service::EncryptedName>)> resultHandler);
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/// inform that if connected to a router successfully
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void InformConnection(RouterID router, bool success);
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void StartPings();
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private:
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/// do a lmq command on the current connection
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void Command(std::string_view cmd);
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/// triggers a service node list refresh from oxend; thread-safe and will do nothing if
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/// an update is already in progress.
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void UpdateServiceNodeList();
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template <typename HandlerFunc_t, typename Args_t>
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void Request(std::string_view cmd, HandlerFunc_t func, const Args_t& args)
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{
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m_lokiMQ->request(*m_Connection, std::move(cmd), std::move(func), args);
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}
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template <typename HandlerFunc_t>
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void Request(std::string_view cmd, HandlerFunc_t func)
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{
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m_lokiMQ->request(*m_Connection, std::move(cmd), std::move(func));
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}
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// Handles a service node list update; takes the "service_node_states" object of an
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// oxend "get_service_nodes" rpc request.
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void HandleNewServiceNodeList(const nlohmann::json& json);
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// Handles notification of a new block
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void HandleNewBlock(oxenmq::Message& msg);
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std::optional<oxenmq::ConnectionID> m_Connection;
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std::shared_ptr<oxenmq::OxenMQ> m_lokiMQ;
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std::weak_ptr<Router> m_Router;
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std::atomic<bool> m_UpdatingList;
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std::string m_LastUpdateHash;
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std::unordered_map<RouterID, PubKey> m_KeyMap;
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uint64_t m_BlockHeight;
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};
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} // namespace rpc
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} // namespace llarp
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