def lineReceived(self, line):
"""(Internal) Handle Twisted's report of an incoming line from AMI"""
log.debug('Line In: %r', line)
if self.readingVariables:
if not line.strip():
self.readingVariables = False
self.factory.mainFunction(self)
else:
try:
key, value = line.split(b':', 1)
value = value[1:].rstrip(b'\n').rstrip(b'\r')
except ValueError as err:
log.error("""Invalid variable line: %r""", line)
else:
self.variables[key.lower()] = value
log.debug("""%s = %r""", key, value)
else:
try:
df = self.pendingMessages.pop(0)
except IndexError as err:
log.warn("Line received without pending deferred: %r", line)
else:
if line.startswith(b'200'):
line = line[4:]
if line.lower().startswith(b'result='):
line = line[7:]
df.callback(line)
else:
# XXX parse out the error code
try:
errCode, line = line.split(b' ', 1)
errCode = int(errCode)
except ValueError as err:
errCode = 500
df.errback(error.AGICommandFailure(errCode, line))
def checkFailure(self, result, failure='-1'):
"""(Internal) Check for a failure-code, raise error if == result"""
# result code may have trailing information...
try:
resultInt, line = result.split(b' ', 1)
except ValueError as err:
resultInt = result
if resultInt.strip() == failure:
raise error.AGICommandFailure(FAILURE_CODE, result)
return result
def onStreamingComplete(self, resultLine, skipMS=0):
"""(Internal) Handle putative success
Also watch for failure-on-load problems
"""
try:
digit, endposStuff = resultLine.split(b' ', 1)
except ValueError as err:
pass
else:
digit = int(digit)
endposStuff = endposStuff.strip()
if endposStuff.startswith(b'endpos='):
endpos = int(endposStuff[7:].strip())
if endpos == skipMS:
# "likely" an error according to the wiki,
# we'll raise an error...
raise error.AGICommandFailure(
FAILURE_CODE, "End position %s == original position, "
"result code %s" % (endpos, digit))
return digit, endpos
raise ValueError("Unexpected result on streaming completion: %r" %
resultLine)
def resultAsInt(self, result):
"""(Internal) Convert result to an integer value"""
try:
return int(result.strip())
except ValueError as err:
raise error.AGICommandFailure(FAILURE_CODE, result)
except IndexError, err:
log.warn("Line received without pending deferred: %r", line)
else:
if line.startswith('200'):
line = line[4:]
if line.lower().startswith('result='):
line = line[7:]
df.callback(line)
else:
# XXX parse out the error code
try:
errCode, line = line.split(' ', 1)
errCode = int(errCode)
except ValueError, err:
errCode = 500
df.errback(error.AGICommandFailure(errCode, line))
def sendCommand(self, commandString):
"""(Internal) Send the given command to the other side"""
log.info("Send Command: %r", commandString)
commandString = commandString.rstrip('\n').rstrip('\r')
df = defer.Deferred()
self.pendingMessages.append(df)
self.sendLine(commandString)
return df
def checkFailure(self, result, failure='-1'):
"""(Internal) Check for a failure-code, raise error if == result"""
# result code may have trailing information...
try:
resultInt, line = result.split(' ', 1)