122 lines
3.4 KiB
C
122 lines
3.4 KiB
C
#include <stdlib.h>
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#include <ipfs/routing/routing.h>
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#include <ipfs/util/errs.h>
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#include "libp2p/crypto/rsa.h"
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#include "libp2p/record/record.h"
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#include "ipfs/datastore/ds_helper.h"
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#include "ipfs/merkledag/merkledag.h"
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#include "ipfs/routing/routing.h"
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#include "ipfs/importer/resolver.h"
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int ipfs_routing_generic_put_value (ipfs_routing* offlineRouting, const unsigned char *key, size_t key_size, const void *val, size_t vlen)
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{
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int err;
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char *record, *nkey;
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size_t len, nkey_len;
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err = libp2p_record_make_put_record (&record, &len, offlineRouting->sk, (const char*)key, val, vlen, 0);
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if (err) {
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return err;
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}
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nkey = malloc(key_size * 2); // FIXME: size of encoded key
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if (!nkey) {
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free (record);
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return -1;
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}
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if (!ipfs_datastore_helper_ds_key_from_binary(key, key_size, (unsigned char*)nkey, key_size+1, &nkey_len)) {
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free (nkey);
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free (record);
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return -1;
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}
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// TODO: Save to db as offline storage.
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free (record);
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return 0; // success.
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}
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int ipfs_routing_generic_get_value (ipfs_routing* routing, const unsigned char *key, size_t key_size, void **val, size_t *vlen)
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{
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struct HashtableNode* node = NULL;
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*val = NULL;
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int retVal = -1;
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if (!ipfs_merkledag_get(key, key_size, &node, routing->local_node->repo)) {
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goto exit;
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}
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// protobuf the node
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int protobuf_size = ipfs_hashtable_node_protobuf_encode_size(node);
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*val = malloc(protobuf_size);
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if (ipfs_hashtable_node_protobuf_encode(node, *val, protobuf_size, vlen) == 0) {
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goto exit;
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}
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retVal = 0;
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exit:
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if (node != NULL)
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ipfs_hashtable_node_free(node);
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if (retVal != 0 && *val != NULL) {
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free(*val);
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*val = NULL;
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}
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return retVal;
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}
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int ipfs_routing_offline_find_providers (ipfs_routing* offlineRouting, const unsigned char *key, size_t key_size, struct Libp2pVector** peers)
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{
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return ErrOffline;
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}
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int ipfs_routing_offline_find_peer (ipfs_routing* offlineRouting, const unsigned char *peer_id, size_t pid_size, struct Libp2pPeer **result)
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{
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return ErrOffline;
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}
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int ipfs_routing_offline_provide (ipfs_routing* offlineRouting, const unsigned char *cid, size_t cid_size)
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{
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return ErrOffline;
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}
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int ipfs_routing_offline_ping (ipfs_routing* offlineRouting, struct Libp2pPeer* peer)
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{
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return ErrOffline;
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}
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/**
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* For offline, this does nothing
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* @param offlineRouting the interface
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* @returns 0
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*/
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int ipfs_routing_offline_bootstrap (ipfs_routing* offlineRouting)
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{
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return 0;
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}
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struct IpfsRouting* ipfs_routing_new_offline (struct IpfsNode* local_node, struct RsaPrivateKey *private_key)
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{
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struct IpfsRouting *offlineRouting = malloc (sizeof(struct IpfsRouting));
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if (offlineRouting) {
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offlineRouting->local_node = local_node;
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offlineRouting->sk = private_key;
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offlineRouting->PutValue = ipfs_routing_generic_put_value;
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offlineRouting->GetValue = ipfs_routing_generic_get_value;
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offlineRouting->FindProviders = ipfs_routing_offline_find_providers;
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offlineRouting->FindPeer = ipfs_routing_offline_find_peer;
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offlineRouting->Provide = ipfs_routing_offline_provide;
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offlineRouting->Ping = ipfs_routing_offline_ping;
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offlineRouting->Bootstrap = ipfs_routing_offline_bootstrap;
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}
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return offlineRouting;
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}
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int ipfs_routing_offline_free(ipfs_routing* incoming) {
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free(incoming);
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return 1;
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}
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