| #!/usr/bin/python |
| # |
| # This python script generates error subclasses |
| # |
| |
| import re |
| import sys |
| sys.path.append("../../src/python/oftest/protocol") |
| from cstruct import * |
| from class_maps import class_to_members_map |
| |
| print """ |
| # Python OpenFlow error wrapper classes |
| |
| from cstruct import * |
| |
| """ |
| |
| ################################################################ |
| # |
| # Error message subclasses |
| # |
| ################################################################ |
| |
| # Template for error subclasses |
| |
| template = """ |
| class --TYPE--_error_msg(ofp_error_msg): |
| \""" |
| Wrapper class for --TYPE-- error message class |
| |
| Data members inherited from ofp_error_msg: |
| @arg type |
| @arg code |
| @arg data: Binary string following message members |
| |
| \""" |
| def __init__(self): |
| ofp_error_msg.__init__(self) |
| self.header = ofp_header() |
| self.header.type = OFPT_ERROR |
| self.type = --ERROR_NAME-- |
| self.data = "" |
| |
| def pack(self, assertstruct=True): |
| self.header.length = self.__len__() |
| packed = ofp_error_msg.pack(self) |
| packed += self.data |
| return packed |
| |
| def unpack(self, binary_string): |
| binary_string = ofp_error_msg.unpack(self, binary_string) |
| self.data = binary_string |
| return "" |
| |
| def __len__(self): |
| return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data) |
| |
| def show(self, prefix=''): |
| print prefix + "--TYPE--_error_msg" |
| ofp_error_msg.show(self) |
| print prefix + "data is of length " + str(len(self.data)) |
| ##@todo Consider trying to parse the string |
| |
| """ |
| |
| error_types = [ |
| 'hello_failed', |
| 'bad_request', |
| 'bad_action', |
| 'flow_mod_failed', |
| 'port_mod_failed', |
| 'queue_op_failed'] |
| |
| for t in error_types: |
| error_name = "OFPET_" + t.upper() |
| to_print = re.sub('--TYPE--', t, template) |
| to_print = re.sub('--ERROR_NAME--', error_name, to_print) |
| print to_print |