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#!/usr/bin/env python
#
# Copyright (c) 2016 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os, pprint
from os import removedirs
def underscore_to_camelcase(name):
name = name.title().replace("_", "")
return name[0].lower() + name[1:]
def underscore_to_camelcase_upper(name):
name = name.title().replace("_", "")
return name[0].upper() + name[1:]
def remove_folder(folder):
""" Remove folder with all its files """
for root, dirs, files in os.walk(folder, topdown=False):
for name in files:
os.remove(os.path.join(root, name))
removedirs(folder)
reply_suffixes = ("reply", "details", "l2fibtableentry")
def is_reply(name):
return name.lower().endswith(reply_suffixes)
def is_details(name):
return name.lower().endswith(reply_suffixes[1]) or name.lower().endswith(reply_suffixes[2])
def is_retval_field(name):
return name == 'retval'
dump_suffix = "dump"
def is_dump(name):
return name.lower().endswith(dump_suffix)
def get_reply_suffix(name):
for reply_suffix in reply_suffixes:
if name.lower().endswith(reply_suffix):
if reply_suffix == reply_suffixes[2]:
# FIXME workaround for l2_fib_table_entry
return 'entry'
else:
return reply_suffix
# Mapping according to:
# http://docs.oracle.com/javase/7/docs/technotes/guides/jni/spec/types.html
#
# Unsigned types are converted to signed java types that have the same size.
# It is the API user responsibility to interpret them correctly.
jni_2_java_type_mapping = {'u8': 'byte',
'u8[]': 'byte[]',
'i8': 'byte',
'i8[]': 'byte[]',
'u16': 'short',
'u16[]': 'short[]',
'i16': 'short',
'i16[]': 'short[]',
'u32': 'int',
'u32[]': 'int[]',
'i32': 'int',
'i32[]': 'int[]',
'u64': 'long',
'u64[]': 'long[]',
'i64': 'long',
'i64[]': 'long[]',
'f64': 'double',
'f64[]': 'double[]'
}
vpp_2_jni_type_mapping = {'u8': 'jbyte',
'u8[]': 'jbyteArray',
'i8': 'jbyte',
'u8[]': 'jbyteArray',
'u16': 'jshort',
'u16[]': 'jshortArray',
'i16': 'jshort',
'i16[]': 'jshortArray',
'u32': 'jint',
'u32[]': 'jintArray',
'i32': 'jint',
'i32[]': 'jintArray',
'u64': 'jlong',
'u64[]': 'jlongArray',
'i64': 'jlong',
'i64[]': 'jlongArray',
'f64': 'jdouble',
'f64[]': 'jdoubleArray'
}
# https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/types.html#type_signatures
jni_2_signature_mapping = {'u8': 'B',
'u8[]': '[B',
'i8': 'B',
'i8[]': '[B',
'u16': 'S',
'u16[]': '[S',
'i16': 'S',
'i16[]': '[S',
'u32': 'I',
'u32[]': '[I',
'i32': 'I',
'i32[]': '[I',
'u64': 'J',
'u64[]': '[J',
'i64': 'J',
'i64[]': '[J',
'f64': 'D',
'f64[]': '[D'
}
# https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/functions.html#Get_type_Field_routines
jni_field_accessors = {'u8': 'ByteField',
'u8[]': 'ObjectField',
'i8': 'ByteField',
'i8[]': 'ObjectField',
'u16': 'ShortField',
'u16[]': 'ObjectField',
'i16': 'ShortField',
'i16[]': 'ObjectField',
'u32': 'IntField',
'u32[]': 'ObjectField',
'i32': 'IntField',
'i32[]': 'ObjectField',
'u64': 'LongField',
'u64[]': 'ObjectField',
'i64': 'LongField',
'i64[]': 'ObjectField',
'f64': 'DoubleField',
'f64[]': 'ObjectField'
}
# vpe.api calls that do not follow naming conventions and have to be handled exceptionally when finding reply -> request mapping
# FIXME in vpe.api
unconventional_naming_rep_req = {
'cli_reply': 'cli_request',
'vnet_summary_stats_reply': 'vnet_get_summary_stats',
# This below is actually a sub-details callback. We cannot derive the mapping of dump request
# belonging to this sub-details from naming conventions. We need special mapping
'bridge_domain_sw_if_details': 'bridge_domain',
# This is standard dump call + details reply. However it's not called details but entry
'l2_fib_table_entry': 'l2_fib_table'
}
#
# FIXME no convention in the naming of events (notifications) in vpe.api
notifications_message_suffixes = ("event", "counters")
notification_messages_reused = ["sw_interface_set_flags"]
# messages that must be ignored. These messages are INSUFFICIENTLY marked as disabled in vpe.api
# FIXME
ignored_messages = ["is_address_reachable"]
def is_notification(name):
""" Returns true if the structure is a notification regardless of its no other use """
return is_just_notification(name) or name.lower() in notification_messages_reused
def is_just_notification(name):
""" Returns true if the structure is just a notification and has no other use """
return name.lower().endswith(notifications_message_suffixes)
def is_ignored(param):
return param.lower() in ignored_messages
def remove_reply_suffix(camel_case_name_with_suffix):
return remove_suffix(camel_case_name_with_suffix, get_reply_suffix(camel_case_name_with_suffix))
def remove_suffix(camel_case_name_with_suffix, suffix):
suffix_length = len(suffix)
return camel_case_name_with_suffix[:-suffix_length] if suffix_length != 0 else camel_case_name_with_suffix
def is_control_ping(camel_case_name_with_suffix):
return camel_case_name_with_suffix.lower().startswith("controlping");
def api_message_to_javadoc(api_message):
""" Converts vpe.api message description to javadoc """
str = pprint.pformat(api_message, indent=4, width=120, depth=None)
return " * " + str.replace("\n", "\n * ")
notification_dto_suffix = "Notification"
def add_notification_suffix(camel_case_dto_name):
camel_case_dto_name += notification_dto_suffix
return camel_case_dto_name
def is_array(java_type_as_string):
return java_type_as_string.endswith("[]")
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