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Fix localhost connection

This commit is contained in:
Ken Roberts 2014-10-15 11:18:00 -07:00
parent 8ea0917230
commit dc321155a0
1 changed files with 25 additions and 12 deletions
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37
openlp/core/lib/projector/pjlink1.py
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@ -348,11 +348,16 @@ class PJLink1(QTcpSocket):
self.timer.setInterval(2000) # Set 2 seconds for initial information
self.timer.start()
@pyqtSlot()
def get_data(self):
log.debug('(%s) get_data() Received readyRead signal' % self.ip)
return self._get_data()
def _get_data(self):
"""
Socket interface to retrieve data.
"""
log.debug('(%s) Reading data' % self.ip)
log.debug('(%s) get_data(): Reading data' % self.ip)
if self.state() != self.ConnectedState:
log.debug('(%s) get_data(): Not connected - returning' % self.ip)
return
@ -370,28 +375,28 @@ class PJLink1(QTcpSocket):
log.debug('(%s) get_data(): Packet length < 7: "%s"' % (self.ip, data))
self.projectorReceivedData.emit()
return
log.debug('(%s) Checking new data "%s"' % (self.ip, data))
log.debug('(%s) get_data(): Checking new data "%s"' % (self.ip, data))
if data.upper().startswith('PJLINK'):
# Reconnected from remote host disconnect ?
self.check_login(data)
self.projectorReceivedData.emit()
return
elif '=' not in data:
log.warn('(%s) Invalid packet received' % self.ip)
log.warn('(%s) get_data(): Invalid packet received' % self.ip)
self.projectorReceivedData.emit()
return
data_split = data.split('=')
try:
(prefix, class_, cmd, data) = (data_split[0][0], data_split[0][1], data_split[0][2:], data_split[1])
except ValueError as e:
log.warn('(%s) Invalid packet - expected header + command + data' % self.ip)
log.warn('(%s) Received data: "%s"' % (self.ip, read))
log.warn('(%s) get_data(): Invalid packet - expected header + command + data' % self.ip)
log.warn('(%s) get_data(): Received data: "%s"' % (self.ip, read))
self.change_status(E_INVALID_DATA)
self.projectorReceivedData.emit()
return
if not self.check_command(cmd):
log.warn('(%s) Invalid packet - unknown command "%s"' % (self.ip, cmd))
log.warn('(%s) get_data(): Invalid packet - unknown command "%s"' % (self.ip, cmd))
self.projectorReceivedData.emit()
return
return self.process_command(cmd, data)
@ -414,6 +419,7 @@ class PJLink1(QTcpSocket):
self.change_status(err, self.errorString())
else:
self.change_status(E_NETWORK, self.errorString())
self.projectorUpdateIcons.emit()
return
def send_command(self, cmd, opts='?', salt=None):
@ -425,17 +431,19 @@ class PJLink1(QTcpSocket):
self.send_queue = []
return
self.projectorNetwork.emit(S_NETWORK_SENDING)
log.debug('(%s) Sending cmd="%s" opts="%s" %s' % (self.ip,
cmd,
opts,
'' if salt is None else 'with hash'))
log.debug('(%s) send_command(): Sending cmd="%s" opts="%s" %s' % (self.ip,
cmd,
opts,
'' if salt is None else 'with hash'))
if salt is None:
out = '%s%s %s%s' % (PJLINK_HEADER, cmd, opts, CR)
else:
out = '%s%s %s%s' % (salt, cmd, opts, CR)
if out in self.send_queue:
# Already there, so don't add
log.debug('(%s) send_command(out=%s) Already in queue - skipping' % (self.ip, out))
log.debug('(%s) send_command(out=%s) Already in queue - skipping' % (self.ip, out.strip()))
elif len(self.send_queue) == 0:
return self._send_string(out)
else:
self.send_queue.append(out)
if not self.send_busy:
@ -454,6 +462,11 @@ class PJLink1(QTcpSocket):
:returns: None
"""
log.debug('(%s) _send_string()' % self.ip)
if self.state() != self.ConnectedState:
log.debug('(%s) _send_string() Not connected - abort' % self.ip)
self.send_queue = []
self.send_busy = False
return
if data is not None:
out = data
log.debug('(%s) _send_string(data=%s)' % (self.ip, out))
@ -466,7 +479,7 @@ class PJLink1(QTcpSocket):
self.send_busy = False
return
self.send_busy = True
log.debug('(%s) _sed_string(): Sending "%s"' % (self.ip, out))
log.debug('(%s) _send_string(): Sending "%s"' % (self.ip, out))
log.debug('(%s) _send_string(): Queue = %s' % (self.ip, self.send_queue))
try:
self.projectorNetwork.emit(S_NETWORK_SENDING)