diff options
Diffstat (limited to 'extras/japi/java/jvpp/gen/jvppgen/jni_gen.py')
-rwxr-xr-x | extras/japi/java/jvpp/gen/jvppgen/jni_gen.py | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/extras/japi/java/jvpp/gen/jvppgen/jni_gen.py b/extras/japi/java/jvpp/gen/jvppgen/jni_gen.py deleted file mode 100755 index ad6c2614062..00000000000 --- a/extras/japi/java/jvpp/gen/jvppgen/jni_gen.py +++ /dev/null @@ -1,160 +0,0 @@ -#!/usr/bin/env python2 -# -# Copyright (c) 2016,2018 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. -# -from string import Template - -from jni_impl_gen import generate_jni_impl -from jni_msg_handlers_gen import generate_jni_handlers -from jni_type_handlers_gen import generate_type_handlers -from jvpp_model import is_control_ping, is_dump, is_request, is_control_ping_reply - - -def generate_jni(work_dir, model, logger): - logger.debug("Generating jvpp C for %s" % model.json_api_files) - plugin_name = model.plugin_name - messages = model.messages - - with open("%s/jvpp_%s_gen.h" % (work_dir, plugin_name), "w") as f: - f.write(_JVPP_C_TEMPLATE.substitute( - json_filename=model.json_api_files, - class_cache=_generate_class_cache(plugin_name, messages), - api_verification=_generate_api_verification(messages), - type_handlers=generate_type_handlers(model, logger), - jni_implementations=generate_jni_impl(model), - msg_handlers=generate_jni_handlers(model), - handler_registration=_generate_handler_registration(messages))) - -_JVPP_C_TEMPLATE = Template("""/** - * This file contains JNI bindings for jvpp Java API. - * It was generated by jvpp_jni_gen.py based on $json_filename. - */ -$class_cache - -$api_verification - -// Type handlers -$type_handlers - -// JNI bindings -$jni_implementations - -// Message handlers -$msg_handlers - -$handler_registration -""") - - -def _generate_class_cache(plugin_name, messages): - references = [] - for msg in messages: - if is_control_ping(msg) or is_control_ping_reply(msg): - # Skip control_ping managed by jvpp registry. - continue - references.append(( - msg.java_name_lower, - 'io/fd/vpp/jvpp/%s/dto/%s' % (plugin_name, msg.java_name_upper) - )) - - references.append(('callbackException', 'io/fd/vpp/jvpp/VppCallbackException')) - - return _CLASS_CACHE_TEMPLATE.substitute( - class_references=_generate_class_references(references), - create_references=_generate_create_references(references), - delete_references=_generate_delete_references(references) - ) - -_CLASS_CACHE_TEMPLATE = Template(""" -// JAVA class reference cache -$class_references - -static int cache_class_references(JNIEnv* env) { -$create_references - return 0; -} - -static void delete_class_references(JNIEnv* env) { -$delete_references -}""") - - -def _generate_class_references(references): - return "\n".join("jclass %sClass;" % r[0] for r in references) - - -def _generate_create_references(references): - items = [] - for r in references: - items.append(_CREATE_GLOBAL_REF_TEMPLATE.substitute( - ref_name=r[0], - fqn_name=r[1] - )) - return "".join(items) - -_CREATE_GLOBAL_REF_TEMPLATE = Template(""" - ${ref_name}Class = (jclass)(*env)->NewGlobalRef(env, (*env)->FindClass(env, "${fqn_name}")); - if ((*env)->ExceptionCheck(env)) { - (*env)->ExceptionDescribe(env); - return JNI_ERR; - }""") - - -def _generate_delete_references(references): - items = [] - for r in references: - items.append(_DELETE_CLASS_INVOCATION_TEMPLATE.substitute(ref_name=r[0])) - return "".join(items) - -_DELETE_CLASS_INVOCATION_TEMPLATE = Template(""" - if (${ref_name}Class) { - (*env)->DeleteGlobalRef(env, ${ref_name}Class); - }""") - - -def _generate_api_verification(messages): - items = [] - for msg in messages: - items.append("_(%s_%s) \\" % (msg.name, msg.crc)) - return _API_VERIFICATION_TEMPLATE.substitute(messages="\n".join(items)) - -_API_VERIFICATION_TEMPLATE = Template(""" -// List of supported API messages used for verification -#define foreach_supported_api_message \\ -$messages -""") - - -def _generate_handler_registration(messages): - """ - Generates msg handler registration for all messages except for dumps and requests. - :param messages: collection of VPP API messages. - """ - handlers = [] - for msg in messages: - if is_control_ping(msg) or is_control_ping_reply(msg): - # Skip control_ping managed by jvpp registry. - continue - if is_dump(msg) or is_request(msg): - continue - name = msg.name - crc = msg.crc - handlers.append("_(%s_%s, %s) \\" % (name, crc, name)) - return _HANDLER_REGISTRATION_TEMPLATE.substitute(handlers="\n".join(handlers)) - -_HANDLER_REGISTRATION_TEMPLATE = Template(""" -// Registration of message handlers in vlib -#define foreach_api_reply_handler \\ -$handlers -""") |