c-ipfs/include/ipfs/routing/routing.h
2017-09-27 07:02:00 -05:00

94 lines
3.5 KiB
C

#pragma once
#include "libp2p/peer/peer.h"
#include "libp2p/crypto/rsa.h"
#include "libp2p/record/message.h"
#include "ipfs/core/ipfs_node.h"
// offlineRouting implements the IpfsRouting interface,
// but only provides the capability to Put and Get signed dht
// records to and from the local datastore.
struct IpfsRouting {
struct IpfsNode* local_node;
size_t ds_len;
struct RsaPrivateKey* sk;
/**
* Put a value in the datastore
* @param 1 the struct that contains connection information
* @param 2 the key
* @param 3 the size of the key
* @param 4 the value
* @param 5 the size of the value
* @returns 0 on success, otherwise -1
*/
int (*PutValue) (struct IpfsRouting*, const unsigned char*, size_t, const void*, size_t);
/**
* Get a value from the filestore
* @param 1 the struct that contains the connection information
* @param 2 the key to look for
* @param 3 the size of the key
* @param 4 a place to store the value
* @param 5 the size of the value
* @returns true(1) on success, false(0) otherwise
*/
int (*GetValue) (struct IpfsRouting*, const unsigned char*, size_t, void**, size_t*);
/**
* Find a provider
* @param routing the context
* @param key the information that is being looked for
* @param key_size the size of param 2
* @param peers a vector of Libp2pPeers found that can provide the value for the key
* @returns true(1) on success, otherwise false(0)
*/
int (*FindProviders) (struct IpfsRouting* routing, const unsigned char* key, size_t key_size, struct Libp2pVector** peers);
/**
* Find a peer
* @param 1 the context
* @param 2 the peer to look for
* @param 3 the size of the peer char array
* @param 4 the results
* @param 5 the size of the results
* @returns 0 or error code
*/
int (*FindPeer) (struct IpfsRouting*, const unsigned char*, size_t, struct Libp2pPeer** result);
/**
* Announce to the network that this host can provide this key
* @param 1 the context
* @param 2 the key
* @param 3 the key size
* @returns true(1) on success, otherwise false(0)
*/
int (*Provide) (struct IpfsRouting*, const unsigned char*, size_t);
/**
* Ping
* @param routing the context
* @param peer the peer
* @returns true(1) on success, otherwise false(0)
*/
int (*Ping) (struct IpfsRouting* routing, struct Libp2pPeer* peer);
/**
* Get everything going
* @param routing the context
* @returns true(1) on success, otherwise false(0)
*/
int (*Bootstrap) (struct IpfsRouting*);
void* (*Listen) (void*);
int (*Shutdown) ();
};
typedef struct IpfsRouting ipfs_routing;
// offline routing routines.
ipfs_routing* ipfs_routing_new_offline (struct IpfsNode* local_node, struct RsaPrivateKey *private_key);
// online using secio, should probably be deprecated
ipfs_routing* ipfs_routing_new_online (struct IpfsNode* local_node, struct RsaPrivateKey* private_key);
int ipfs_routing_online_free(ipfs_routing*);
int ipfs_routing_offline_free(ipfs_routing* incoming);
// online using DHT/kademlia, the recommended router
ipfs_routing* ipfs_routing_new_kademlia(struct IpfsNode* local_node, struct RsaPrivateKey* private_key);
// generic routines
int ipfs_routing_generic_put_value (ipfs_routing* offlineRouting, const unsigned char *key, size_t key_size, const void *val, size_t vlen);
int ipfs_routing_generic_get_value (ipfs_routing* offlineRouting, const unsigned char *key, size_t key_size, void **val, size_t *vlen);
// supernode
int ipfs_routing_supernode_parse_provider(const unsigned char* in, size_t in_size, struct Libp2pLinkedList** multiaddresses);