Improve exceptions in vpp_transport_socket.py
Added TODOs for further improvements.
@@ -14,6 +14,7 @@ import logging
class VppTransportSocketIOError(IOError):
+ # TODO: Document different values of error number (first numeric argument).
pass
@@ -70,8 +71,8 @@ class VppTransport(object):
def connect(self, name, pfx, msg_handler, rx_qlen):
if self.message_thread is not None:
- raise RuntimeError(
- "PAPI socket transport connect: You need to disconnect first.")
+ raise VppTransportSocketIOError(
+ 1, "PAPI socket transport connect: Need to disconnect first.")
self.message_thread = threading.Thread(target=self.msg_thread_func)
# Create a UDS socket
@@ -98,6 +99,7 @@ class VppTransport(object):
msg = self._read()
hdr, length = self.parent.header.unpack(msg, 0)
if hdr.msgid != 16:
+ # TODO: Add first numeric argument.
raise VppTransportSocketIOError('Invalid reply message')
r, length = sockclnt_create_reply.unpack(msg)
