33 lines
1.1 KiB
Python
33 lines
1.1 KiB
Python
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#!/usr/bin/env python3
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"""stdin/stdout <-> TCP relay: the SUT executable an ETSI adapter forks inside WSL, forwarding
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the hex-line protocol to sut_bridge.py --listen on the Windows side (which owns the COM port).
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run_etsi.py ... --sut /usr/bin/python3 --sut-args "/root/sut_tcp_relay.py --connect 172.x.x.x:7788"
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"""
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import argparse
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import socket
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import sys
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def main():
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p = argparse.ArgumentParser(description=__doc__)
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p.add_argument('--connect', required=True, help='host:port of sut_bridge.py --listen')
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args = p.parse_args()
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host, port = args.connect.rsplit(':', 1)
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with socket.create_connection((host, int(port))) as connection:
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reader = connection.makefile('rb')
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for line in sys.stdin:
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line = line.strip()
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if not line:
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continue
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connection.sendall(line.encode() + b'\n')
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reply = reader.readline()
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if not reply:
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sys.exit(2)
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sys.stdout.write(reply.decode().strip() + '\n')
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sys.stdout.flush()
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if __name__ == '__main__':
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main()
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