c-ipfs/core/ipfs_node.c

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#include <stdlib.h>
#include "libp2p/utils/vector.h"
#include "libp2p/secio/secio.h"
#include "libp2p/routing/dht_protocol.h"
#include "ipfs/core/ipfs_node.h"
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#include "ipfs/exchange/bitswap/bitswap.h"
struct Libp2pVector* ipfs_node_online_build_protocol_handlers(struct IpfsNode* node) {
struct Libp2pVector* retVal = libp2p_utils_vector_new(1);
if (retVal != NULL) {
// secio
libp2p_utils_vector_add(retVal, libp2p_secio_build_protocol_handler(&node->identity->private_key, node->peerstore));
// nodeio
//libp2p_utils_vector_add(retVal, libp2p_nodeio_build_protocol_handler());
// kademlia
libp2p_utils_vector_add(retVal, libp2p_routing_dht_build_protocol_handler(node->peerstore, node->providerstore));
// bitswap
libp2p_utils_vector_add(retVal, ipfs_bitswap_build_protocol_handler(node));
}
return retVal;
}
/***
* build an online IpfsNode
* @param repo_path where the IPFS repository directory is
* @param node the completed IpfsNode struct
* @returns true(1) on success
*/
int ipfs_node_online_new(const char* repo_path, struct IpfsNode** node) {
struct FSRepo* fs_repo = NULL;
*node = (struct IpfsNode*)malloc(sizeof(struct IpfsNode));
if(*node == NULL)
return 0;
struct IpfsNode* local_node = *node;
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local_node->identity = NULL;
local_node->peerstore = NULL;
local_node->providerstore = NULL;
local_node->repo = NULL;
local_node->routing = NULL;
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local_node->exchange = NULL;
// build the struct
if (!ipfs_repo_fsrepo_new(repo_path, NULL, &fs_repo)) {
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ipfs_node_free(local_node);
*node = NULL;
return 0;
}
// open the repo
if (!ipfs_repo_fsrepo_open(fs_repo)) {
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ipfs_node_free(local_node);
*node = NULL;
return 0;
}
// fill in the node
local_node->repo = fs_repo;
local_node->identity = fs_repo->config->identity;
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local_node->peerstore = libp2p_peerstore_new(local_node->identity->peer);
local_node->providerstore = libp2p_providerstore_new(fs_repo->config->datastore, local_node->identity->peer);
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local_node->blockstore = ipfs_blockstore_new(fs_repo);
local_node->protocol_handlers = ipfs_node_online_build_protocol_handlers(local_node);
local_node->mode = MODE_OFFLINE;
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local_node->routing = ipfs_routing_new_online(local_node, &fs_repo->config->identity->private_key);
local_node->exchange = ipfs_bitswap_new(local_node);
return 1;
}
/***
* Free resources from the creation of an IpfsNode
* @param node the node to free
* @returns true(1)
*/
int ipfs_node_free(struct IpfsNode* node) {
if (node != NULL) {
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if (node->exchange != NULL) {
node->exchange->Close(node->exchange);
}
if (node->providerstore != NULL)
libp2p_providerstore_free(node->providerstore);
if (node->peerstore != NULL)
libp2p_peerstore_free(node->peerstore);
if (node->repo != NULL)
ipfs_repo_fsrepo_free(node->repo);
if (node->mode == MODE_ONLINE) {
ipfs_routing_online_free(node->routing);
}
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if (node->blockstore != NULL) {
ipfs_blockstore_free(node->blockstore);
}
free(node);
}
return 1;
}