diff options
Diffstat (limited to 'vpp-api/java/jvpp/gen/jvpp_callback_facade_gen.py')
| -rw-r--r-- | vpp-api/java/jvpp/gen/jvpp_callback_facade_gen.py | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/vpp-api/java/jvpp/gen/jvpp_callback_facade_gen.py b/vpp-api/java/jvpp/gen/jvpp_callback_facade_gen.py new file mode 100644 index 00000000000..731bd894cee --- /dev/null +++ b/vpp-api/java/jvpp/gen/jvpp_callback_facade_gen.py @@ -0,0 +1,236 @@ +#!/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, util +from string import Template + +import callback_gen +import dto_gen + +jvpp_ifc_template = Template(""" +package $base_package.$callback_facade_package; + +public interface CallbackJVpp extends java.lang.AutoCloseable { + + @Override + void close(); + + // TODO add send + +$methods +} +""") + +jvpp_impl_template = Template(""" +package $base_package.$callback_facade_package; + +public final class CallbackJVppFacade implements $base_package.$callback_facade_package.CallbackJVpp { + + private final $base_package.JVpp jvpp; + private final java.util.Map<Integer, $base_package.$callback_package.JVppCallback> callbacks; + + public CallbackJVppFacade(final $base_package.JVpp jvpp, + java.util.Map<Integer, $base_package.$callback_package.JVppCallback> callbacks) { + if(jvpp == null) { + throw new java.lang.NullPointerException("jvpp is null"); + } + this.jvpp = jvpp; + this.callbacks = callbacks; + } + + @Override + public void close() { + } + + // TODO add send() + +$methods +} +""") + +method_template = Template( + """ void $name($base_package.$dto_package.$request request, $base_package.$callback_package.$callback callback);""") +method_impl_template = Template(""" public final void $name($base_package.$dto_package.$request request, $base_package.$callback_package.$callback callback) { + synchronized (callbacks) { + callbacks.put(jvpp.$name(request), callback); + } + } +""") + +no_arg_method_template = Template(""" void $name($base_package.$callback_package.$callback callback);""") +no_arg_method_impl_template = Template(""" public final void $name($base_package.$callback_package.$callback callback) { + synchronized (callbacks) { + callbacks.put(jvpp.$name(), callback); + } + } +""") + + +def generate_jvpp(func_list, base_package, dto_package, callback_package, callback_facade_package): + """ Generates callback facade """ + print "Generating JVpp callback facade" + + if os.path.exists(callback_facade_package): + util.remove_folder(callback_facade_package) + + os.mkdir(callback_facade_package) + + methods = [] + methods_impl = [] + for func in func_list: + + if util.is_notification(func['name']) or util.is_ignored(func['name']): + # TODO handle notifications + continue + + camel_case_name = util.underscore_to_camelcase(func['name']) + camel_case_name_upper = util.underscore_to_camelcase_upper(func['name']) + if util.is_reply(camel_case_name): + continue + + # Strip suffix for dump calls + callback_type = get_request_name(camel_case_name_upper, func['name']) + callback_gen.callback_suffix + + if len(func['args']) == 0: + methods.append(no_arg_method_template.substitute(name=camel_case_name, + base_package=base_package, + dto_package=dto_package, + callback_package=callback_package, + callback=callback_type)) + methods_impl.append(no_arg_method_impl_template.substitute(name=camel_case_name, + base_package=base_package, + dto_package=dto_package, + callback_package=callback_package, + callback=callback_type)) + else: + methods.append(method_template.substitute(name=camel_case_name, + request=camel_case_name_upper, + base_package=base_package, + dto_package=dto_package, + callback_package=callback_package, + callback=callback_type)) + methods_impl.append(method_impl_template.substitute(name=camel_case_name, + request=camel_case_name_upper, + base_package=base_package, + dto_package=dto_package, + callback_package=callback_package, + callback=callback_type)) + + join = os.path.join(callback_facade_package, "CallbackJVpp.java") + jvpp_file = open(join, 'w') + jvpp_file.write( + jvpp_ifc_template.substitute(methods="\n".join(methods), + base_package=base_package, + dto_package=dto_package, + callback_facade_package=callback_facade_package)) + jvpp_file.flush() + jvpp_file.close() + + jvpp_file = open(os.path.join(callback_facade_package, "CallbackJVppFacade.java"), 'w') + jvpp_file.write(jvpp_impl_template.substitute(methods="\n".join(methods_impl), + base_package=base_package, + dto_package=dto_package, + callback_package=callback_package, + callback_facade_package=callback_facade_package)) + jvpp_file.flush() + jvpp_file.close() + + generate_callback(func_list, base_package, dto_package, callback_package, callback_facade_package) + + +jvpp_facade_callback_template = Template(""" +package $base_package.$callback_facade_package; + +/** + * Async facade callback setting values to future objects + */ +public final class CallbackJVppFacadeCallback implements $base_package.$callback_package.JVppGlobalCallback { + + private final java.util.Map<Integer, $base_package.$callback_package.JVppCallback> requests; + + public CallbackJVppFacadeCallback(final java.util.Map<Integer, $base_package.$callback_package.JVppCallback> requestMap) { + this.requests = requestMap; + } + +$methods +} +""") + +jvpp_facade_callback_method_template = Template(""" + @Override + @SuppressWarnings("unchecked") + public void on$callback_dto($base_package.$dto_package.$callback_dto reply) { + + $base_package.$callback_package.$callback callback; + synchronized(requests) { + callback = ($base_package.$callback_package.$callback) requests.remove(reply.context); + } + + if(callback != null) { + callback.on$callback_dto(reply); + } + } +""") + + +def generate_callback(func_list, base_package, dto_package, callback_package, callback_facade_package): + callbacks = [] + for func in func_list: + + if util.is_notification(func['name']) or util.is_ignored(func['name']): + # TODO handle notifications + continue + + camel_case_name_with_suffix = util.underscore_to_camelcase_upper(func['name']) + if not util.is_reply(camel_case_name_with_suffix): + continue + + callbacks.append(jvpp_facade_callback_method_template.substitute(base_package=base_package, + dto_package=dto_package, + callback_package=callback_package, + callback=util.remove_reply_suffix(camel_case_name_with_suffix) + callback_gen.callback_suffix, + callback_dto=camel_case_name_with_suffix)) + + jvpp_file = open(os.path.join(callback_facade_package, "CallbackJVppFacadeCallback.java"), 'w') + jvpp_file.write(jvpp_facade_callback_template.substitute(base_package=base_package, + dto_package=dto_package, + callback_package=callback_package, + methods="".join(callbacks), + callback_facade_package=callback_facade_package)) + jvpp_file.flush() + jvpp_file.close() + + +# Returns request name or special one from unconventional_naming_rep_req map +def get_request_name(camel_case_dto_name, func_name): + if func_name in reverse_dict(util.unconventional_naming_rep_req): + request_name = util.underscore_to_camelcase_upper(reverse_dict(util.unconventional_naming_rep_req)[func_name]) + else: + request_name = camel_case_dto_name + return remove_suffix(request_name) + + +def reverse_dict(map): + return dict((v, k) for k, v in map.iteritems()) + + +def remove_suffix(name): + if util.is_reply(name): + return util.remove_reply_suffix(name) + else: + if util.is_dump(name): + return util.remove_suffix(name, util.dump_suffix) + else: + return name |