Coverage for ledger/hsm2dongle_tcp.py: 52%

1# The MIT License (MIT) 

2# 

3# Copyright (c) 2021 RSK Labs Ltd 

4# 

5# Permission is hereby granted, free of charge, to any person obtaining a copy of 

6# this software and associated documentation files (the "Software"), to deal in 

7# the Software without restriction, including without limitation the rights to 

8# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 

9# of the Software, and to permit persons to whom the Software is furnished to do 

10# so, subject to the following conditions: 

11# 

12# The above copyright notice and this permission notice shall be included in all 

13# copies or substantial portions of the Software. 

14# 

15# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 

16# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 

17# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 

18# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 

19# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 

20# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 

21# SOFTWARE. 

22 

23from ledgerblue.commTCP import getDongle 

24from ledgerblue.commException import CommException 

25from .hsm2dongle import HSM2Dongle, HSM2DongleCommError 

26 

27 

28class HSM2DongleTCP(HSM2Dongle): 

29 def __init__(self, host, port, debug): 

30 self.host = host 

31 self.port = port 

32 super().__init__(debug) 

33 

34 # Connect to the TCP "dongle" 

35 def connect(self): 

36 try: 

37 self.logger.info(f"Connecting to {self.host}:{self.port}") 

38 self.dongle = getDongle(self.host, self.port, self.debug) 

39 self.logger.info("Connected") 

40 except CommException as e: 

41 msg = "Error connecting: %s" % e.message 

42 self.logger.error(msg) 

43 raise HSM2DongleCommError(msg) 

44 

45 # Disconnect from the TCP "dongle" 

46 def disconnect(self): 

47 try: 

48 self.logger.info("Disconnecting") 

49 if self.dongle and self.dongle.opened: 

50 self.dongle.close() 

51 self.logger.info("Disconnected") 

52 except CommException as e: 

53 msg = "Error disconnecting: %s" % e.message 

54 self.logger.error(msg) 

55 raise HSM2DongleCommError(msg)