kopia lustrzana https://github.com/micropython/micropython
71 wiersze
1.9 KiB
Python
71 wiersze
1.9 KiB
Python
# Simple test of a UDP server and client transferring data
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import socket
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NUM_NEW_SOCKETS = 4
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NUM_TRANSFERS = 10
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TOTAL_PACKETS = NUM_NEW_SOCKETS * NUM_TRANSFERS
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# If more than 75% of packets are lost, the test fails.
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PACKET_LOSS_THRESH = 0.75 * TOTAL_PACKETS
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PORT = 8000
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def print_stats(seq):
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if (TOTAL_PACKETS - seq) > PACKET_LOSS_THRESH:
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print(
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"packet loss %.1f%% %d/%d"
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% (((TOTAL_PACKETS - seq) / TOTAL_PACKETS * 100), seq, TOTAL_PACKETS)
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)
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else:
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print("pass")
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# Server
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def instance0():
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seq = 0
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multitest.globals(IP=multitest.get_network_ip())
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multitest.next()
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for i in range(NUM_NEW_SOCKETS):
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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s.bind(socket.getaddrinfo("0.0.0.0", PORT + i)[0][-1])
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s.settimeout(0.250)
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multitest.broadcast("server ready")
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for j in range(NUM_TRANSFERS):
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try:
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data, addr = s.recvfrom(1000)
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except:
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continue
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if int(data) == seq:
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if seq < (TOTAL_PACKETS - PACKET_LOSS_THRESH):
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print(seq)
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seq += 1
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s.sendto(b"%d" % (seq), addr)
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s.close()
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print_stats(seq)
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# Client
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def instance1():
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seq = 0
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multitest.next()
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for i in range(NUM_NEW_SOCKETS):
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ai = socket.getaddrinfo(IP, PORT + i)[0][-1]
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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s.settimeout(0.250)
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multitest.wait("server ready")
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for j in range(NUM_TRANSFERS):
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s.sendto(b"%d" % (seq), ai)
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try:
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data, addr = s.recvfrom(1000)
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except:
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continue
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if int(data) == seq + 1:
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if seq < (TOTAL_PACKETS - PACKET_LOSS_THRESH):
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print(seq)
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seq += 1
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s.close()
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print_stats(seq)
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