def server():
io = SansIORW(encoding="utf-8")
version, one, auth_method = yield from io.read_struct("BBB")
assert version == 5
assert one == 1
assert auth_method == 2
yield from io.write_struct("BB", 5, 2)
auth_version = yield from io.read_struct("B")
assert auth_version == 1
username = yield from io.read_pascal_string()
password = yield from io.read_pascal_string()
assert username == "yoba"
assert password == "foo"
yield from io.write_struct("BB", 0, 0)
yield from io.passthrough()
def server():
io = SansIORW(encoding="utf-8")
version, one, auth_method = yield from io.read_struct("BBB")
assert version == 5
assert one == 1
assert auth_method == 0
yield from io.write_struct("BB", 5, 1)
yield from io.passthrough()
def client():
io = SansIORW(encoding="utf-8")
yield from io.write_struct("BBH4s", 4, 1, 123, b"\x7f\x00\x00\x01")
yield from io.write_c_string("yoba")
prefix, code, port, ipv4 = yield from io.read_struct("BBH4s")
assert prefix == 0
assert code == 0x5a
assert port == 0
assert ipv4 == b"\x00" * 4
yield from io.passthrough()
def client():
io = SansIORW(encoding="utf-8")
yield from io.write_struct("BBH4s", 4, 1, 123, b"\x7f\x00\x00\x01")
yield from io.write_c_string("yoba")
prefix, code, port, ipv4 = yield from io.read_struct("BBH4s")
assert prefix == 0
assert code == 0x5b
assert port == 0
assert ipv4 == b"\x00" * 4
raise RuntimeError("connection failed")
def server():
io = SansIORW(encoding="utf-8")
version, command, port, ipv4 = yield from io.read_struct("BBH4s")
assert version == 4
assert command == 1
assert port == 123
assert ipv4 == b"\x7f\x00\x00\x01"
user_id = yield from io.read_c_string()
assert user_id == "yoba"
yield from io.connect(ipv4, port)
yield from io.write_struct("BBH4s", 0, 0x5a, 666, b"\x00" * 4)
yield from io.passthrough()
def server():
io = SansIORW(encoding="utf-8")
version, command, port, ipv4 = yield from io.read_struct("BBH4s")
assert version == 4
assert command == 1
assert port == 123
assert ipv4 == b"\x00\x00\x00\xff"
user_id = yield from io.read_c_string()
assert user_id == ""
host = yield from io.read_c_string()
assert host == "python.org"
yield from io.connect(host, port)
yield from io.write_struct("BBH4s", 0, 0x5a, 0, b"\x00" * 4)
yield from io.passthrough()
def client():
io = SansIORW(encoding="utf-8")
yield from io.write_struct("B", 5)
yield from io.write_struct("B", 0)
yield from io.passthrough()
def client():
io = SansIORW(encoding="utf-8")
yield from io.write_struct("BBH4s", 4, 2, 123, b"\x7f\x00\x00\x01")
yield from io.write_c_string("yoba")
yield from io.passthrough()
