67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
#pragma once
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#include "libp2p/conn/session.h"
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#include "libp2p/net/protocol.h"
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#include "libp2p/peer/peerstore.h"
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#include "libp2p/peer/providerstore.h"
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#include "libp2p/record/message.h"
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/***
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* This is where kademlia and dht talk to the outside world
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*/
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struct Libp2pProtocolHandler* libp2p_routing_dht_build_protocol_handler(struct Peerstore* peer_store, struct ProviderStore* provider_store);
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/**
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* Take existing stream and upgrade to the Kademlia / DHT protocol/codec
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* @param context the context
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* @returns true(1) on success, otherwise false(0)
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*/
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int libp2p_routing_dht_upgrade_stream(struct SessionContext* context);
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/**
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* Handle a client requesting an upgrade to the DHT protocol
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* @param context the context
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* @returns true(1) on success, otherwise false(0)
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*/
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int libp2p_routing_dht_handshake(struct SessionContext* context);
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/***
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* Handle the incoming message. Handshake should have already
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* been done. We should expect that the next read contains
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* a protobuf'd kademlia message.
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* @param session the context
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* @param peerstore a list of peers
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* @returns true(1) on success, otherwise false(0)
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*/
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int libp2p_routing_dht_handle_message(struct SessionContext* session, struct Peerstore* peerstore, struct ProviderStore* providerstore);
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/***
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* Send a kademlia message
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* NOTE: this call upgrades the stream to /ipfs/kad/1.0.0
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* @param context the context
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* @param message the message
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* @returns true(1) on success, false(0) otherwise
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*/
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int libp2p_routing_dht_send_message(struct SessionContext* sessionContext, struct KademliaMessage* message);
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/**
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* Attempt to receive a kademlia message
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* NOTE: This call assumes that a send_message was sent
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* @param sessionContext the context
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* @param result where to put the results
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* @returns true(1) on success, false(0) otherwise
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*/
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int libp2p_routing_dht_receive_message(struct SessionContext* sessionContext, struct KademliaMessage** result);
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/**
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* Used to send a message to the nearest x peers
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*
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* @param private_key the private key of the local peer
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* @param peerstore the collection of peers
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* @param datastore a connection to the datastore
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* @param msg the message to send
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* @returns true(1) if we sent to at least 1, false(0) otherwise
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*/
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int libp2p_routing_dht_send_message_nearest_x(const struct Dialer* dialer, struct Peerstore* peerstore,
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struct Datastore* datastore, struct KademliaMessage* msg, int numToSend);
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