def send_find_node(self, node, target_node_id):
"""
### Find Node (type 0x03)
Find Node packets are sent to locate nodes close to a given target ID.
The receiver should reply with a Neighbors packet containing the `k`
nodes closest to target that it knows about.
FindNode packet-type: 0x03
struct FindNode <= 76 bytes
{
NodeId target; // Id of a node. The responding node will send back nodes closest to the target.
unsigned expiration;
};
"""
assert is_integer(target_node_id)
target_node_id = utils.int_to_big_endian(target_node_id).rjust(kademlia.k_pubkey_size // 8, b'\0')
assert len(target_node_id) == kademlia.k_pubkey_size // 8
log.debug('>>> find_node', remoteid=node)
message = self.pack(self.cmd_id_map['find_node'], [target_node_id])
self.send(node, message)
def send_find_node(self, node, target_node_id):
"""
### Find Node (type 0x03)
Find Node packets are sent to locate nodes close to a given target ID.
The receiver should reply with a Neighbors packet containing the `k`
nodes closest to target that it knows about.
FindNode packet-type: 0x03
struct FindNode
{
NodeId target;
unsigned expiration;
};
"""
assert isinstance(target_node_id, long)
target_node_id = utils.int_to_big_endian(target_node_id).rjust(kademlia.k_id_size / 8,
'\0')
assert len(target_node_id) == kademlia.k_id_size / 8
log.debug('>>> find_node', remoteid=node)
message = self.pack(self.cmd_id_map['find_node'], [target_node_id])
self.send(node, message)
def send_find_node(self, node, target_node_id):
"""
### Find Node (type 0x03)
Find Node packets are sent to locate nodes close to a given target ID.
The receiver should reply with a Neighbors packet containing the `k`
nodes closest to target that it knows about.
FindNode packet-type: 0x03
struct FindNode
{
NodeId target;
unsigned expiration;
};
"""
assert isinstance(target_node_id, long)
target_node_id = utils.int_to_big_endian(target_node_id).rjust(
kademlia.k_id_size / 8, '\0')
assert len(target_node_id) == kademlia.k_id_size / 8
log.debug('>>> find_node', remoteid=node)
message = self.pack(self.cmd_id_map['find_node'], [target_node_id])
self.send(node, message)
def random_pubkey():
pk = int_to_big_endian(random.getrandbits(kademlia.k_pubkey_size))
return '\x00' * (kademlia.k_pubkey_size / 8 - len(pk)) + pk
def random_pubkey():
pk = int_to_big_endian(random.getrandbits(kademlia.k_pubkey_size))
return "\x00" * (kademlia.k_pubkey_size / 8 - len(pk)) + pk
