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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- sys.exit("The python example is out of date.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 commit(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()
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