Ejemplo n.º 1
0
def send_acks(client_socket, seq_num):
    if seq_num == 1:
        new_packet = main.Packet("Ack", ack=1, seq=SEQ_NUMBER)
        toggle()
    else:
        new_packet = main.Packet("Ack", ack=1, seq=1)
    new_packet.deadline = time.time() + 100
    print("sending ack with seq num = ", new_packet.seq_num)
    client_socket.sendto(
        json.dumps(new_packet, cls=main.MyEncoder).encode(),
        (Shared.SERVER_IP, Shared.SERVER_PORT))
def send_acks(client_socket):
    new_packet = main.Packet("Ack")
    new_packet.seq_num = SEQ_NUMBER
    new_packet.deadline = time.time() + 100
    client_socket.sendto(
        json.dumps(new_packet, cls=main.MyEncoder).encode(),
        (Shared.SERVER_IP, Shared.SERVER_PORT))
def chunks_into_pkts(chunks):
    pkts = []
    for i in range(len(chunks)):
        pkt = main.Packet()
        pkt.data = chunks[i]
        pkt.seq_num = i
        pkt.check_sum = main.calculate_checksum(pkt)
        pkts.append(pkt)
    main.drop_pkts(main.mapping(main.plp(1), len(pkts)), pkts)
    return pkts
Ejemplo n.º 4
0
def send_file_name(data, client_socket):
    new_packet = main.Packet(data, SEQ_NUMBER)
    new_packet.deadline = time.time() + 100
    client_socket.sendto(
        json.dumps(new_packet, cls=main.MyEncoder).encode(),
        (Shared.SERVER_IP, Shared.SERVER_PORT))
Ejemplo n.º 5
0
#!/usr/bin/python
import main
import numpy
for i in range(1, 11):
    cn, wlen, dn = main.DPCM_encode(i)
    main.Packet(cn, wlen, i)
    main.DPCM_decode(i)
    a = main.snr(i)
    print(a)