diff options
Diffstat (limited to 'vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py')
| -rw-r--r-- | vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py b/vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py new file mode 100644 index 00000000000..93ffd0fb359 --- /dev/null +++ b/vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py @@ -0,0 +1,173 @@ +#!/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 + +jvpp_ifc_template = Template(""" +package $base_package; + + +/** + * <p>Java representation of vpe.api. + * <br>It was generated by jvpp_impl_gen.py based on $inputfile + * <br>(python representation of vpe.api generated by vppapigen). + */ +public interface JVpp extends java.lang.AutoCloseable { + + /** + * Generic connect with $base_package.callback.JVppCallback callback handler + * providing connecting to VPP + * + * @param callback JVppCallback instance providing callback handling + * + * @throws java.io.IOException if connection cannot be initiated + */ + void connect($base_package.callback.JVppCallback callback) throws java.io.IOException; + + /** + * Generic dispatch method for sending requests to VPP + * + * @throws org.openvpp.jvpp.VppInvocationException if send request had failed + */ + int send($base_package.$dto_package.JVppRequest request) throws org.openvpp.jvpp.VppInvocationException; + + @Override + void close(); + +$methods +} +""") + +jvpp_impl_template = Template(""" +package $base_package; + +/** + * <p>Default implementation of JVpp interface. + * <br>It was generated by jvpp_impl_gen.py based on $inputfile + * <br>(python representation of vpe.api generated by vppapigen). + */ +public final class JVppImpl implements $base_package.JVpp { + + private final $base_package.VppConnection connection; + + public JVppImpl(final $base_package.VppConnection connection) { + this.connection = java.util.Objects.requireNonNull(connection,"Connection is null"); + } + + @Override + public void connect($base_package.callback.JVppCallback callback) throws java.io.IOException { + connection.connect(callback); + } + + @Override + public void close() { + connection.close(); + } + + @Override + public int send($base_package.$dto_package.JVppRequest request) throws org.openvpp.jvpp.VppInvocationException { + return request.send(this); + } + +$methods +} +""") + +method_template = Template(""" int $name($base_package.$dto_package.$request request) throws org.openvpp.jvpp.VppInvocationException;""") +method_native_template = Template( + """ private static native int ${name}0($base_package.$dto_package.$request request);""") +method_impl_template = Template(""" public final int $name($base_package.$dto_package.$request request) throws org.openvpp.jvpp.VppInvocationException { + java.util.Objects.requireNonNull(request,"Null request object"); + connection.checkActive(); + int result=${name}0(request); + if(result<0){ + throw new org.openvpp.jvpp.VppInvocationException("${name}",result); + } + return result; + } +""") + +no_arg_method_template = Template(""" int $name() throws org.openvpp.jvpp.VppInvocationException;""") +no_arg_method_native_template = Template(""" private static native int ${name}0() throws org.openvpp.jvpp.VppInvocationException;""") +no_arg_method_impl_template = Template(""" public final int $name() throws org.openvpp.jvpp.VppInvocationException { + connection.checkActive(); + int result=${name}0(); + if(result<0){ + throw new org.openvpp.jvpp.VppInvocationException("${name}",result); + } + return result; + } +""") + + +def generate_jvpp(func_list, base_package, dto_package, inputfile): + """ Generates JVpp interface and JNI implementation """ + print "Generating JVpp" + + methods = [] + methods_impl = [] + for func in func_list: + + # Skip structures that are used only as notifications + if util.is_just_notification(func['name']) or util.is_ignored(func['name']): + 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 + + if len(func['args']) == 0: + methods.append(no_arg_method_template.substitute(name=camel_case_name, + base_package=base_package, + dto_package=dto_package)) + methods_impl.append( + no_arg_method_native_template.substitute(name=camel_case_name, + base_package=base_package, + dto_package=dto_package)) + methods_impl.append(no_arg_method_impl_template.substitute(name=camel_case_name, + base_package=base_package, + dto_package=dto_package)) + else: + methods.append(method_template.substitute(name=camel_case_name, + request=camel_case_name_upper, + base_package=base_package, + dto_package=dto_package)) + methods_impl.append(method_native_template.substitute(name=camel_case_name, + request=camel_case_name_upper, + base_package=base_package, + dto_package=dto_package)) + methods_impl.append(method_impl_template.substitute(name=camel_case_name, + request=camel_case_name_upper, + base_package=base_package, + dto_package=dto_package)) + + jvpp_file = open("JVpp.java", 'w') + jvpp_file.write( + jvpp_ifc_template.substitute(inputfile=inputfile, + methods="\n".join(methods), + base_package=base_package, + dto_package=dto_package)) + jvpp_file.flush() + jvpp_file.close() + + jvpp_file = open("JVppImpl.java", 'w') + jvpp_file.write(jvpp_impl_template.substitute(inputfile=inputfile, + methods="\n".join(methods_impl), + base_package=base_package, + dto_package=dto_package)) + jvpp_file.flush() + jvpp_file.close() |