def feed(self, buf, length):
"""Returns the amount of bytes consumed from buf"""
total_consumed = 0
# special signal, send it up the stack
if length == 0:
self.fsm.run(0, None)
return 0
# read error, disconnect
if length == -1:
self.fsm.run(-1, None)
return -1
# while we have an entire diameter header
while length >= 20:
version_length = struct.unpack("!i", buf[:4])[0]
version = version_length >> 24
msg_length = (version_length & 0x00ffffff)
# protocol error, disconnect
if version != 1:
pass
# can't read one entire message
# caller should buffer
if msg_length > length:
return total_consumed
msg = DiameterMessage()
consumed = msg.parseFromBuffer(buf)
self.fsm.run(consumed, msg)
# protocol error, disconnect
if consumed <= 0:
return consumed
# remove the handled message ready to go round again
buf = buf[consumed:]
length -= consumed
total_consumed += consumed
return total_consumed
def feed(self, buf, length):
"""Returns the amount of bytes consumed from buf"""
total_consumed = 0
# special signal, send it up the stack
if length == 0:
self.fsm.run(0, None)
return 0
# read error, disconnect
if length == -1:
self.fsm.run(-1, None)
return -1
# while we have an entire diameter header
while length >= 20:
version_length = struct.unpack("!i",buf[:4])[0]
version = version_length >> 24
msg_length = (version_length & 0x00ffffff)
# protocol error, disconnect
if version != 1:
pass
# can't read one entire message
# caller should buffer
if msg_length > length:
return total_consumed
msg = DiameterMessage()
consumed = msg.parseFromBuffer(buf)
self.fsm.run(consumed, msg)
# protocol error, disconnect
if consumed <= 0:
return consumed
# remove the handled message ready to go round again
buf = buf[consumed:]
length -= consumed
total_consumed += consumed
return total_consumed
def feed(self, buf, length):
"""Returns the amount of bytes consumed from buf"""
# special signal, send it up the stack
if length == 0:
self.fsm.run(0, None)
return 0
# read error, disconnect
if length == -1:
self.fsm.run(-1, None)
return -1
# dont have an entire diameter header yet
if length < 20:
return 0
version_length = struct.unpack("!i",buf[:4])[0]
version = version_length >> 24
msg_length = (version_length & 0x00ffffff)
# protocol error, disconnect
if version != 1:
pass
# can't read one entire message
# caller should buffer
if msg_length > length:
return 0
msg = DiameterMessage()
consumed = msg.parseFromBuffer(buf)
self.fsm.run(consumed, msg)
# protocol error, disconnect
if consumed <= 0:
pass
return consumed
def feed(self, buf, length):
"""Returns the amount of bytes consumed from buf"""
# special signal, send it up the stack
if length == 0:
self.fsm.run(0, None)
return 0
# read error, disconnect
if length == -1:
self.fsm.run(-1, None)
return -1
# dont have an entire diameter header yet
if length < 20:
return 0
version_length = struct.unpack("!i",buf[:4])[0]
version = version_length >> 24
msg_length = (version_length & 0x00ffffff)
# protocol error, disconnect
if version != 1:
pass
# can't read one entire message
# caller should buffer
if msg_length > length:
return 0
msg = DiameterMessage()
consumed = msg.parseFromBuffer(buf)
self.fsm.run(consumed, msg)
# protocol error, disconnect
if consumed <= 0:
pass
return consumed