vpp_object.logger.warning("VPP API client:: %s", ffi.string(msg, msg_len))
-class VppTransport:
+class VppTransportShmemIOError(IOError):
+ pass
+
+
+class VppTransport(object):
+ VppTransportShmemIOError = VppTransportShmemIOError
+
def __init__(self, parent, read_timeout, server_address):
self.connected = False
self.read_timeout = read_timeout
def resume(self):
vpp_api.vac_rx_resume()
- def get_callback(self, async):
- return vac_callback_sync if not async else vac_callback_async
+ def get_callback(self, do_async):
+ return vac_callback_sync if not do_async else vac_callback_async
def get_msg_index(self, name):
return vpp_api.vac_get_msg_index(name)
def _write_new_cffi(self, buf):
"""Send a binary-packed message to VPP."""
if not self.connected:
- raise IOError(1, 'Not connected')
+ raise VppTransportShmemIOError(1, 'Not connected')
return vpp_api.vac_write(ffi.from_buffer(buf), len(buf))
def _write_legacy_cffi(self, buf):
"""Send a binary-packed message to VPP."""
if not self.connected:
- raise IOError(1, 'Not connected')
+ raise VppTransportShmemIOError(1, 'Not connected')
return vpp_api.vac_write(bytes(buf), len(buf))
def read(self):
if not self.connected:
- raise IOError(1, 'Not connected')
+ raise VppTransportShmemIOError(1, 'Not connected')
mem = ffi.new("char **")
size = ffi.new("int *")
rv = vpp_api.vac_read(mem, size, self.read_timeout)
if rv:
- raise IOError(rv, 'vac_read failed')
+ raise VppTransportShmemIOError(rv, 'vac_read failed')
msg = bytes(ffi.buffer(mem[0], size[0]))
vpp_api.vac_free(mem[0])
return msg