60 lines
2.7 KiB
C
60 lines
2.7 KiB
C
#pragma once
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#include "libp2p/utils/vector.h"
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#define IDENTIFY_PROTOCOL_VERSION "ipfs/0.1.0"
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#define IDENTIFY_AGENT_VERSION "c-ipfs/1.0"
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typedef struct {
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// publicKey is this node's public key (which also gives its node.ID)
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// - may not need to be sent, as secure channel implies it has been sent.
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// - then again, if we change / disable secure channel, may still want it.
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char *PublicKey;
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int PublicKeyLength;
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// listenAddrs are the multiaddrs the sender node listens for open connections on
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char **ListenAddrs;
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// protocols are the services this node is running
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char **Protocols;
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// oservedAddr is the multiaddr of the remote endpoint that the sender node perceives
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// this is useful information to convey to the other side, as it helps the remote endpoint
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// determine whether its connection to the local peer goes through NAT.
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char *ObservedAddr;
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// protocolVersion determines compatibility between peers
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char *ProtocolVersion;
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// agentVersion is like a UserAgent string in browsers, or client version in bittorrent
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// includes the client name and client.
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char *AgentVersion;
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char *XXX_unrecognized;
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} Identify;
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struct IdentifyContext {
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struct Stream* parent_stream;
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struct Stream* stream;
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};
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int libp2p_identify_can_handle(const struct StreamMessage* msg);
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int libp2p_identify_send_protocol(struct Stream* stream, Identify* identify, int initiatedByUs);
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int libp2p_identify_receive_protocol(struct Stream* stream);
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Identify* libp2p_identify_new();
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void libp2p_identify_free(Identify* in);
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char *libp2p_identify_new_item(char *item, size_t size);
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int libp2p_identify_array_add_item(char ***array, char *item);
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int libp2p_identify_protobuf_encode(const Identify* in, unsigned char* buffer, size_t max_buffer_size, size_t* bytes_written);
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int libp2p_identify_protobuf_decode(const unsigned char* in, size_t in_size, Identify** out);
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int libp2p_identify_handle_message(const struct StreamMessage* msg, struct Stream* stream, void* protocol_context);
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int libp2p_identify_shutdown(void* protocol_context);
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struct Libp2pProtocolHandler* libp2p_identify_build_protocol_handler(char* public_key, int publicKeyLength);
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/***
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* Create a new stream that negotiates the identify protocol
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*
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* NOTE: This will be sent by our side (us asking them).
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* Incoming "Identify" requests should be handled by the
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* external protocol handler, not this function.
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*
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* @param parent_stream the parent stream
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* @returns a new Stream that can talk "identify"
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*/
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struct Stream* libp2p_identify_stream_new(struct Stream* parent_stream, Identify* identify, int initiatedByUs);
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