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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-13 19:18:56 +00:00

Fixed project name

This commit is contained in:
slush0 2013-09-13 05:32:27 +02:00
parent 18d5f9f3d6
commit 9fd3121724

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'''TransportFake implements fake wire transport over local named pipe.
Use this transport for talking with trezor simulator.'''
import os
from select import select
from transport import Transport
class PipeTransport(Transport):
def __init__(self, device, is_device, *args, **kwargs):
self.is_device = is_device # Set True if act as device
super(PipeTransport, self).__init__(device, *args, **kwargs)
def _open(self):
if self.is_device:
self.filename_read = self.device+'.to'
self.filename_write = self.device+'.from'
os.mkfifo(self.filename_read, 0600)
os.mkfifo(self.filename_write, 0600)
else:
self.filename_read = self.device+'.from'
self.filename_write = self.device+'.to'
if not os.path.exists(self.filename_write):
raise Exception("Not connected")
self.write_fd = os.open(self.filename_write, os.O_RDWR)#|os.O_NONBLOCK)
self.write_f = os.fdopen(self.write_fd, 'w+')
self.read_fd = os.open(self.filename_read, os.O_RDWR)#|os.O_NONBLOCK)
self.read_f = os.fdopen(self.read_fd, 'rb')
def _close(self):
self.read_f.close()
self.write_f.close()
if self.is_device:
os.unlink(self.filename_read)
os.unlink(self.filename_write)
def ready_to_read(self):
rlist, _, _ = select([self.read_f], [], [], 0)
return len(rlist) > 0
def _write(self, msg):
try:
self.write_f.write(msg)
self.write_f.flush()
except OSError:
print "Error while writing to socket"
raise
def _read(self):
try:
(msg_type, datalen) = self._read_headers(self.read_f)
return (msg_type, self.read_f.read(datalen))
except IOError:
print "Failed to read from device"
raise