def unregister_file(self, file):
my_superpeer = UsersManager.get_superpeer()
sock = connect_socket(my_superpeer.ip, 80)#my_superpeer.port)
local_ip = get_local_ip(sock.getsockname()[0])
sock.send("DEFF" + UsersManager.get_my_session_id())
sock.send(decode_md5(file.hash))
sock.close()
def search_for_files(self, query, ttl = TTL_FOR_FILES_SEARCH ):
p_id = generate_packet_id(16)
PacketsManager.add_new_generated_packet(p_id)
if UsersManager.is_super_node():
# We need to search both locally and in the network
PacketsManager.register_packet_id_as_local_search(p_id)
# Perform a local search here.
for file in FilesManager.find_files_by_query(query):
owner = UsersManager.find_user_by_session_id(file.session_id)
if owner:
self.ui_handler.add_new_result_file(file.filename, owner.ip, owner.port, file.hash)
# ...and send a QUER in the network, its results will be handled properly and should not interfere with
# the ones of the local search
for superpeer in PeersManager.find_known_peers():
sock = connect_socket(superpeer.ip, superpeer.port)
local_ip = get_local_ip(sock.getsockname()[0])
sock.send("QUER" + p_id + format_ip_address(local_ip) + format_port_number(self.local_port) + format_ttl(ttl) + format_query(query))
sock.close()
klog("Started query flooding for files: %s ttl: %s" %(query,ttl) )
else:
my_superpeer = UsersManager.get_superpeer()
if my_superpeer:
sock = connect_socket(my_superpeer.ip, 80)#my_superpeer.port)
sock.send("FIND" + UsersManager.get_my_session_id() + format_query(query))
klog("Started FIND for files: %s ttl: %s" %(query,ttl) )
# We need also some handling for those stupid peers that do not close the socket...
#time.sleep(5)
if read_from_socket(sock, 4) == 'AFIN':
ServiceThread.afin_received(sock, self.ui_handler)
def logout(self):
my_superpeer = UsersManager.get_superpeer()
sock = connect_socket(my_superpeer.ip, 80)#my_superpeer.port)
sock.send("LOGO" + UsersManager.get_my_session_id())
response = read_from_socket(sock, 4)
num_file_deleted = -1
if response == "ALGO":
num_file_deleted = int(read_from_socket(sock, 3))
klog("LOGOUT Done. Deleted %d files" % num_file_deleted)
else:
klog("LOGOUT non eseguito")
sock.close()
return num_file_deleted
