c-ipfs/routing/offline.c

87 lines
2.6 KiB
C

#include <stdlib.h>
#include <ipfs/routing/routing.h>
#include <ipfs/util/errs.h>
#include "libp2p/crypto/rsa.h"
#include "libp2p/record/record.h"
#include "ipfs/datastore/ds_helper.h"
#include "ipfs/merkledag/merkledag.h"
ipfs_routing* ipfs_routing_new_offline (struct FSRepo* ds, struct RsaPrivateKey *private_key)
{
ipfs_routing *offlineRouting = malloc (sizeof(ipfs_routing));
if (offlineRouting) {
offlineRouting->datastore = ds;
offlineRouting->sk = private_key;
offlineRouting->PutValue = ipfs_routing_offline_put_value;
offlineRouting->GetValue = ipfs_routing_offline_get_value;
offlineRouting->FindProviders = ipfs_routing_offline_find_providers;
offlineRouting->FindPeer = ipfs_routing_offline_find_peer;
offlineRouting->Provide = ipfs_routing_offline_provide;
offlineRouting->Ping = ipfs_routing_offline_ping;
offlineRouting->Bootstrap = ipfs_routing_offline_bootstrap;
}
return offlineRouting;
}
int ipfs_routing_offline_put_value (ipfs_routing* offlineRouting, char *key, size_t key_size, void *val, size_t vlen)
{
int err;
char *record, *nkey;
size_t len, nkey_len;
err = libp2p_record_make_put_record (&record, &len, offlineRouting->sk, key, val, vlen, 0);
if (err) {
return err;
}
nkey = malloc(key_size * 2); // FIXME: size of encoded key
if (!nkey) {
free (record);
return -1;
}
if (!ipfs_datastore_helper_ds_key_from_binary((unsigned char*)key, key_size, (unsigned char*)nkey, key_size+1, &nkey_len)) {
free (nkey);
free (record);
return -1;
}
// TODO: Save to db as offline storage.
free (record);
return 0; // success.
}
int ipfs_routing_offline_get_value (ipfs_routing* offlineRouting, char *key, size_t key_size, void *val, size_t *vlen)
{
// TODO: Read from db, validate and decode before return.
return -1;
}
int ipfs_routing_offline_find_providers (ipfs_routing* offlineRouting, char *key, size_t key_size, void *ret, size_t *rlen)
{
return ErrOffline;
}
int ipfs_routing_offline_find_peer (ipfs_routing* offlineRouting, char *peer_id, size_t pid_size, void *ret, size_t *rlen)
{
return ErrOffline;
}
int ipfs_routing_offline_provide (ipfs_routing* offlineRouting, char *cid)
{
return ErrOffline;
}
int ipfs_routing_offline_ping (ipfs_routing* offlineRouting, char *peer_id, size_t pid_size)
{
return ErrOffline;
}
int ipfs_routing_offline_bootstrap (ipfs_routing* offlineRouting)
{
return ErrOffline;
}