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import sys
from tmsp.wire import hex2bytes, decode_big_endian, encode_big_endian
from tmsp.server import TMSPServer
from tmsp.reader import BytesBuffer
class CounterApplication():
def __init__(self):
sys.exit("The python example is out of date. Upgrading the Python examples is currently left as an exercise to you.")
self.hashCount = 0
self.txCount = 0
self.serial = False
def echo(self, msg):
return msg, 0
def info(self):
return ["hashes:%d, txs:%d" % (self.hashCount, self.txCount)], 0
def set_option(self, key, value):
if key == "serial" and value == "on":
self.serial = True
return 0
def append_tx(self, txBytes):
if self.serial:
txByteArray = bytearray(txBytes)
if len(txBytes) >= 2 and txBytes[:2] == "0x":
txByteArray = hex2bytes(txBytes[2:])
txValue = decode_big_endian(
BytesBuffer(txByteArray), len(txBytes))
if txValue != self.txCount:
return None, 6
self.txCount += 1
return None, 0
def check_tx(self, txBytes):
if self.serial:
txByteArray = bytearray(txBytes)
if len(txBytes) >= 2 and txBytes[:2] == "0x":
txByteArray = hex2bytes(txBytes[2:])
txValue = decode_big_endian(
BytesBuffer(txByteArray), len(txBytes))
if txValue < self.txCount:
return 6
return 0
def get_hash(self):
self.hashCount += 1
if self.txCount == 0:
return "", 0
h = encode_big_endian(self.txCount, 8)
h.reverse()
return h.decode(), 0
def add_listener(self):
return 0
def rm_listener(self):
return 0
def event(self):
return
if __name__ == '__main__':
l = len(sys.argv)
if l == 1:
port = 46658
elif l == 2:
port = int(sys.argv[1])
else:
print("too many arguments")
quit()
print('TMSP Demo APP (Python)')
app = CounterApplication()
server = TMSPServer(app, port)
server.main_loop()