def send_thread(filename, server_address, progress, lock):
stop = False
clientSocket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
clientSocket.settimeout(1)
counter = 0
retry_counter = 0
path = '{}/' + filename
file_path = path.format(file.get_source_directory())
try:
file_obj = File(file_path)
except FileNotFoundError:
print('\n\n<<< FILE NOT FOUND >>>\n')
chunk_generator = file_obj.get_chunks_generator()
num_of_chunk = file_obj.calculate_chunks_number()
packet_class = Packet(counter)
# Send file name
clientSocket.sendto(filename.encode('utf-8').strip(), server_address)
server_port = clientSocket.recv(2)
receiver_port = int.from_bytes(server_port, byteorder='little')
for chunk in chunk_generator:
counter += 1
success = False
if (counter == num_of_chunk):
packet = packet_class.create_last_packet(chunk)
else:
packet = packet_class.create_packet(chunk)
while not (success):
if (retry_counter > 9):
print("\n\nServer not responding")
stop = True
break
try:
clientSocket.sendto(packet, (server_address[0], receiver_port))
acknowledgement = int.from_bytes(clientSocket.recv(1024),
byteorder='little')
success = True
retry_counter = 0
except:
print('\n\n<<< RETRYING >>>', end='\r')
retry_counter += 1
if (stop):
break
progress_percent = ceil(counter / num_of_chunk * 100.0)
with lock:
progress.value = progress_percent
