c-ipfs/test/routing/test_supernode.h

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#include <stdlib.h>
#include "../test_helper.h"
#include "ipfs/routing/routing.h"
#include "ipfs/repo/fsrepo/fs_repo.h"
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#include "libp2p/net/multistream.h"
#include "libp2p/nodeio/nodeio.h"
#include "libp2p/utils/vector.h"
#include "libp2p/utils/linked_list.h"
#include "libp2p/peer/peerstore.h"
#include "libp2p/peer/providerstore.h"
#include "libp2p/crypto/encoding/base58.h"
void stop_kademlia(void);
int test_routing_supernode_start() {
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/* not working with supernode for now
int retVal = 0;
struct FSRepo* fs_repo = NULL;
struct IpfsNode* ipfs_node = NULL;
struct Stream* stream = NULL;
if (!drop_build_and_open_repo("/tmp/.ipfs", &fs_repo))
goto exit;
ipfs_node = (struct IpfsNode*)malloc(sizeof(struct IpfsNode));
ipfs_node->mode = MODE_ONLINE;
ipfs_node->identity = fs_repo->config->identity;
ipfs_node->repo = fs_repo;
ipfs_node->routing = ipfs_routing_new_kademlia(ipfs_node, &fs_repo->config->identity->private_key, stream);
if (ipfs_node->routing == NULL)
goto exit;
//TODO ping kademlia
retVal = 1;
exit:
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if (ipfs_node != NULL) {
if (ipfs_node->routing != NULL)
stop_kademlia();
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ipfs_node_free(ipfs_node);
}
return retVal;
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*/
return 1;
}
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void* start_daemon(void* path) {
char* repo_path = (char*)path;
ipfs_daemon_start(repo_path);
return NULL;
}
int test_routing_supernode_get_remote_value() {
// a remote machine has a file. Let's see if we can get it.
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// the key is QmYAXgX8ARiriupMQsbGXtKdDyGzWry1YV3sycKw1qqmgH, which is the test_file.txt
int retVal = 0;
struct FSRepo* fs_repo = NULL;
struct IpfsNode* ipfs_node = NULL;
struct Libp2pPeer this_peer;
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const unsigned char* orig_multihash = (unsigned char*)"QmYAXgX8ARiriupMQsbGXtKdDyGzWry1YV3sycKw1qqmgH";
size_t hash_size = 100;
unsigned char hash[hash_size];
unsigned char* hash_ptr = &hash[0];
struct Libp2pVector* multiaddresses = NULL;
struct MultiAddress* addr = NULL;
char* ip = NULL;
struct SessionContext context;
unsigned char* results = NULL;
size_t results_size = 0;
struct HashtableNode* node;
// unencode the base58
if (!libp2p_crypto_encoding_base58_decode(orig_multihash, strlen((char*)orig_multihash), &hash_ptr, &hash_size))
goto exit;
// fire things up
if (!drop_build_and_open_repo("/tmp/.ipfs", &fs_repo))
goto exit;
ipfs_node = (struct IpfsNode*)malloc(sizeof(struct IpfsNode));
ipfs_node->mode = MODE_ONLINE;
ipfs_node->identity = fs_repo->config->identity;
ipfs_node->repo = fs_repo;
ipfs_node->providerstore = libp2p_providerstore_new();
ipfs_node->peerstore = libp2p_peerstore_new(ipfs_node->identity->peer_id);
// add the local peer to the peerstore
this_peer.id = fs_repo->config->identity->peer_id;
this_peer.id_size = strlen(fs_repo->config->identity->peer_id);
this_peer.addr_head = libp2p_utils_linked_list_new();
this_peer.addr_head->item = multiaddress_new_from_string("/ip4/127.0.0.1/tcp/4001");
libp2p_peerstore_add_peer(ipfs_node->peerstore, &this_peer);
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// set a different port for the dht/kademlia stuff
strcpy(ipfs_node->repo->config->addresses->api, "/ip4/127.0.0.1/udp/5002");
// add bootstrap peer for kademlia
struct MultiAddress* remote = multiaddress_new_from_string("/ip4/127.0.0.1/udp/5001");
libp2p_utils_vector_add(ipfs_node->repo->config->bootstrap_peers, remote);
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ipfs_node->routing = ipfs_routing_new_kademlia(ipfs_node, &fs_repo->config->identity->private_key);
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if (ipfs_node->routing == NULL)
goto exit;
// ask the network who can provide this
if (!ipfs_node->routing->FindProviders(ipfs_node->routing, hash, hash_size, &multiaddresses))
goto exit;
// get the file
for(int i = 0; i < multiaddresses->total; i++) {
addr = (struct MultiAddress*) libp2p_utils_vector_get(multiaddresses, i);
if (multiaddress_is_ip4(addr)) {
break;
}
addr = NULL;
}
if (addr == NULL)
goto exit;
// Connect to server
multiaddress_get_ip_address(addr, &ip);
struct Stream* file_stream = libp2p_net_multistream_connect(ip, multiaddress_get_ip_port(addr));
if (file_stream == NULL)
goto exit;
context.insecure_stream = file_stream;
context.default_stream = file_stream;
// Switch from multistream to NodeIO
if (!libp2p_nodeio_upgrade_stream(&context))
goto exit;
// Ask for file
if (!libp2p_nodeio_get(&context, hash, hash_size, &results, &results_size))
goto exit;
if (!ipfs_hashtable_node_protobuf_decode(results, results_size, &node))
goto exit;
//we got it
if (node->data_size < 100)
goto exit;
// make sure we got what we should have gotten
// clean up
retVal = 1;
exit:
if (fs_repo != NULL)
ipfs_repo_fsrepo_free(fs_repo);
if (ipfs_node != NULL)
free(ipfs_node);
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if (multiaddresses != NULL)
libp2p_utils_vector_free(multiaddresses);
return retVal;
}
int test_routing_supernode_get_value() {
int retVal = 0;
struct FSRepo* fs_repo = NULL;
struct IpfsNode* ipfs_node = NULL;
int file_size = 1000;
unsigned char bytes[file_size];
char* fullFileName = "/tmp/temp_file.bin";
struct HashtableNode* write_node = NULL;
size_t bytes_written = 0;
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struct Libp2pVector* multiaddresses = NULL;
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unsigned char* results;
size_t results_size = 0;
struct HashtableNode* node = NULL;
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char* ip = NULL;
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pthread_t thread;
int thread_started = 0;
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struct MultiAddress* addr = NULL;
if (!drop_build_and_open_repo("/tmp/.ipfs", &fs_repo))
goto exit;
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// start daemon
pthread_create(&thread, NULL, start_daemon, (void*)"/tmp/.ipfs");
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thread_started = 1;
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ipfs_node = (struct IpfsNode*)malloc(sizeof(struct IpfsNode));
ipfs_node->mode = MODE_ONLINE;
ipfs_node->identity = fs_repo->config->identity;
ipfs_node->repo = fs_repo;
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ipfs_node->providerstore = libp2p_providerstore_new();
ipfs_node->peerstore = libp2p_peerstore_new(ipfs_node->identity->peer_id);
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struct Libp2pPeer this_peer;
this_peer.id = fs_repo->config->identity->peer_id;
this_peer.id_size = strlen(fs_repo->config->identity->peer_id);
this_peer.addr_head = libp2p_utils_linked_list_new();
this_peer.addr_head->item = multiaddress_new_from_string("/ip4/127.0.0.1/tcp/4001");
libp2p_peerstore_add_peer(ipfs_node->peerstore, &this_peer);
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ipfs_node->routing = ipfs_routing_new_kademlia(ipfs_node, &fs_repo->config->identity->private_key);
if (ipfs_node->routing == NULL)
goto exit;
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// start listening
// create a file
create_bytes(&bytes[0], file_size);
create_file(fullFileName, bytes, file_size);
// write to ipfs
if (ipfs_import_file("/tmp", fullFileName, &write_node, ipfs_node, &bytes_written, 1) == 0) {
goto exit;
}
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// announce to network that this can be provided
/*
if (!ipfs_node->routing->Provide(ipfs_node->routing, (unsigned char*)write_node->hash, write_node->hash_size))
goto exit;
*/
// ask the network who can provide this
if (!ipfs_node->routing->FindProviders(ipfs_node->routing, write_node->hash, write_node->hash_size, &multiaddresses))
goto exit;
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for(int i = 0; i < multiaddresses->total; i++) {
addr = (struct MultiAddress*) libp2p_utils_vector_get(multiaddresses, i);
if (multiaddress_is_ip4(addr)) {
break;
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}
addr = NULL;
}
if (addr == NULL)
goto exit;
// Connect to server
multiaddress_get_ip_address(addr, &ip);
struct Stream* file_stream = libp2p_net_multistream_connect(ip, multiaddress_get_ip_port(addr));
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if (file_stream == NULL)
goto exit;
struct SessionContext context;
context.insecure_stream = file_stream;
context.default_stream = file_stream;
// Switch from multistream to NodeIO
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if (!libp2p_nodeio_upgrade_stream(&context))
goto exit;
// Ask for file
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if (!libp2p_nodeio_get(&context, write_node->hash, write_node->hash_size, &results, &results_size))
goto exit;
if (!ipfs_hashtable_node_protobuf_decode(results, results_size, &node))
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goto exit;
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//we got it
if (node->data_size != write_node->data_size)
goto exit;
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retVal = 1;
exit:
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ipfs_daemon_stop();
if (thread_started)
pthread_join(thread, NULL);
if (ipfs_node->routing != NULL)
stop_kademlia();
if (fs_repo != NULL)
ipfs_repo_fsrepo_free(fs_repo);
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if (multiaddresses != NULL)
libp2p_utils_vector_free(multiaddresses);
return retVal;
}