diff options
Diffstat (limited to 'vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py')
| -rw-r--r-- | vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py b/vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py new file mode 100644 index 00000000000..2aae5b8018a --- /dev/null +++ b/vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py @@ -0,0 +1,184 @@ +#!/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 dto_gen + +jvpp_facade_callback_template = Template(""" +package $base_package.$future_package; + +/** + * Async facade callback setting values to future objects + */ +public final class FutureJVppFacadeCallback implements $base_package.$callback_package.JVppGlobalCallback { + + private final java.util.Map<java.lang.Integer, java.util.concurrent.CompletableFuture<? extends $base_package.$dto_package.JVppReply<?>>> requests; + + public FutureJVppFacadeCallback(final java.util.Map<java.lang.Integer, java.util.concurrent.CompletableFuture<? extends $base_package.$dto_package.JVppReply<?>>> requestMap) { + this.requests = requestMap; + } + +$methods +} +""") + +jvpp_facade_callback_method_template = Template(""" + @Override + @SuppressWarnings("unchecked") + public void on$callback_dto($base_package.$dto_package.$callback_dto reply) { + final java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<?>> completableFuture; + + synchronized(requests) { + completableFuture = (java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<?>>) requests.get(reply.context); + } + + if(completableFuture != null) { + if(reply.retval < 0) { + completableFuture.completeExceptionally(new Exception("Invocation of " + $base_package.$dto_package.$callback_dto.class + + " failed with value " + reply.retval)); + } else { + completableFuture.complete(reply); + } + + synchronized(requests) { + requests.remove(reply.context); + } + } + } +""") + +# TODO reuse common parts with generic method callback +jvpp_facade_control_ping_method_template = Template(""" + @Override + @SuppressWarnings("unchecked") + public void on$callback_dto($base_package.$dto_package.$callback_dto reply) { + final java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<?>> completableFuture; + + synchronized(requests) { + completableFuture = (java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<?>>) requests.get(reply.context); + } + + if(completableFuture != null) { + // Finish dump call + if (completableFuture instanceof $base_package.$future_package.FutureJVppFacade.CompletableDumpFuture) { + completableFuture.complete((($base_package.$future_package.FutureJVppFacade.CompletableDumpFuture) completableFuture).getReplyDump()); + // Remove future mapped to dump call context id + synchronized(requests) { + requests.remove((($base_package.$future_package.FutureJVppFacade.CompletableDumpFuture) completableFuture).getContextId()); + } + } else { + if(reply.retval < 0) { + completableFuture.completeExceptionally(new Exception("Invocation of " + $base_package.$dto_package.$callback_dto.class + + " failed with value " + reply.retval)); + } else { + completableFuture.complete(reply); + } + } + + synchronized(requests) { + requests.remove(reply.context); + } + } + } +""") + +jvpp_facade_details_callback_method_template = Template(""" + @Override + @SuppressWarnings("unchecked") + public void on$callback_dto($base_package.$dto_package.$callback_dto reply) { + final FutureJVppFacade.CompletableDumpFuture<$base_package.$dto_package.$callback_dto_reply_dump> completableFuture; + + synchronized(requests) { + completableFuture = ($base_package.$future_package.FutureJVppFacade.CompletableDumpFuture<$base_package.$dto_package.$callback_dto_reply_dump>) requests.get(reply.context); + } + + if(completableFuture != null) { + $base_package.$dto_package.$callback_dto_reply_dump replyDump = completableFuture.getReplyDump(); + if(replyDump == null) { + replyDump = new $base_package.$dto_package.$callback_dto_reply_dump(); + completableFuture.setReplyDump(replyDump); + } + + replyDump.$callback_dto_field.add(reply); + } + } +""") + + +def generate_jvpp(func_list, base_package, dto_package, callback_package, future_facade_package): + """ Generates JVpp interface and JNI implementation """ + print "Generating JVpp future facade" + + if not os.path.exists(future_facade_package): + raise Exception("%s folder is missing" % future_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 + + if util.is_details(camel_case_name_with_suffix): + camel_case_method_name = util.underscore_to_camelcase(func['name']) + camel_case_request_name = get_standard_dump_reply_name(util.underscore_to_camelcase_upper(func['name']), + func['name']) + callbacks.append(jvpp_facade_details_callback_method_template.substitute(base_package=base_package, + dto_package=dto_package, + callback_dto=camel_case_name_with_suffix, + callback_dto_field=camel_case_method_name, + callback_dto_reply_dump=camel_case_request_name + dto_gen.dump_dto_suffix, + future_package=future_facade_package)) + else: + if util.is_control_ping(camel_case_name_with_suffix): + callbacks.append(jvpp_facade_control_ping_method_template.substitute(base_package=base_package, + dto_package=dto_package, + callback_dto=camel_case_name_with_suffix, + future_package=future_facade_package)) + else: + callbacks.append(jvpp_facade_callback_method_template.substitute(base_package=base_package, + dto_package=dto_package, + callback_dto=camel_case_name_with_suffix)) + + jvpp_file = open(os.path.join(future_facade_package, "FutureJVppFacadeCallback.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), + future_package=future_facade_package)) + jvpp_file.flush() + jvpp_file.close() + + +# Returns request name or special one from unconventional_naming_rep_req map +def get_standard_dump_reply_name(camel_case_dto_name, func_name): + # FIXME this is a hotfix for sub-details callbacks + # FIXME also for L2FibTableEntry + # It's all because unclear mapping between + # request -> reply, + # dump -> reply, details, + # notification_start -> reply, notifications + + # vpe.api needs to be "standardized" so we can parse the information and create maps before generating java code + suffix = func_name.split("_")[-1] + return util.underscore_to_camelcase_upper( + util.unconventional_naming_rep_req[func_name]) + util.underscore_to_camelcase_upper(suffix) if func_name in util.unconventional_naming_rep_req \ + else camel_case_dto_name |