Cutlery/calibre
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Merge branch 'master' of https://github.com/cbhaley/calibre

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This commit is contained in:
Kovid Goyal 2014-05-04 16:53:08 +05:30
commit 5b89f3fe4e
1 changed files with 21 additions and 9 deletions
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30
src/calibre/devices/smart_device_app/driver.py
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@ -525,10 +525,15 @@ class SMART_DEVICE_APP(DeviceConfig, DevicePlugin):
# Network functions
def _read_binary_from_net(self, length):
self.device_socket.settimeout(self.MAX_CLIENT_COMM_TIMEOUT)
v = self.device_socket.recv(length)
self.device_socket.settimeout(None)
return v
try:
self.device_socket.settimeout(self.MAX_CLIENT_COMM_TIMEOUT)
v = self.device_socket.recv(length)
self.device_socket.settimeout(None)
return v
except:
self._close_device_socket()
raise
def _read_string_from_net(self):
data = bytes(0)
@ -556,23 +561,30 @@ class SMART_DEVICE_APP(DeviceConfig, DevicePlugin):
def _send_byte_string(self, sock, s):
if not isinstance(s, bytes):
self._debug('given a non-byte string!')
self._close_device_socket()
raise PacketError("Internal error: found a string that isn't bytes")
sent_len = 0
total_len = len(s)
while sent_len < total_len:
try:
sock.settimeout(self.MAX_CLIENT_COMM_TIMEOUT)
if sent_len == 0:
amt_sent = sock.send(s)
else:
amt_sent = sock.send(s[sent_len:])
sock.settimeout(None)
if amt_sent <= 0:
raise IOError('Bad write on socket')
sent_len += amt_sent
except socket.error as e:
self._debug('socket error', e, e.errno)
if e.args[0] != EAGAIN and e.args[0] != EINTR:
self._close_device_socket()
raise
time.sleep(0.1) # lets not hammer the OS too hard
except:
self._close_device_socket()
raise
# This must be protected by a lock because it is called from the GUI thread
# (the sync stuff) and the device manager thread
@ -592,7 +604,6 @@ class SMART_DEVICE_APP(DeviceConfig, DevicePlugin):
s = self._json_encode(self.opcodes[op], arg)
if print_debug_info and extra_debug:
self._debug('send string', s)
self.device_socket.settimeout(self.MAX_CLIENT_COMM_TIMEOUT)
self._send_byte_string(self.device_socket, (b'%d' % len(s)) + s)
if not wait_for_response:
return None, None
@ -617,7 +628,6 @@ class SMART_DEVICE_APP(DeviceConfig, DevicePlugin):
extra_debug = self.settings().extra_customization[self.OPT_EXTRA_DEBUG]
try:
v = self._read_string_from_net()
self.device_socket.settimeout(None)
if print_debug_info and extra_debug:
self._debug('received string', v)
if v:
@ -655,10 +665,10 @@ class SMART_DEVICE_APP(DeviceConfig, DevicePlugin):
'metadata': book_metadata, 'thisBook': this_book,
'totalBooks': total_books,
'willStreamBooks': True,
'willStreamBinary' : True},
'willStreamBinary' : True,
'wantsSendOkToSendbook' : self.can_send_ok_to_sendbook},
print_debug_info=False,
wait_for_response=False)
wait_for_response=self.can_send_ok_to_sendbook)
self._set_known_metadata(book_metadata)
pos = 0
failed = False
@ -1029,6 +1039,8 @@ class SMART_DEVICE_APP(DeviceConfig, DevicePlugin):
self._debug('Device can use cached metadata', self.client_can_use_metadata_cache)
self.client_cache_uses_lpaths = result.get('cacheUsesLpaths', False)
self._debug('Cache uses lpaths', self.client_cache_uses_lpaths)
self.can_send_ok_to_sendbook = result.get('canSendOkToSendbook', False)
self._debug('Can send OK to sendbook', self.can_send_ok_to_sendbook)
if not self.settings().extra_customization[self.OPT_USE_METADATA_CACHE]:
self.client_can_use_metadata_cache = False