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authorEd Warnicke <eaw@cisco.com>2016-07-11 10:29:41 -0700
committerDave Wallace <dwallacelf@gmail.com>2016-08-16 17:55:55 +0000
commitadeb749d13cbb750bcb25dac15314b80032fe024 (patch)
treea3a63150679cf1dd5323235bbc3201d0c145648a /vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py
parentee275a7333b811629d65a0c1dccf38105be00196 (diff)
Create python package for jvpp generation.
Change-Id: I2254f90b2c3e423563bb91bf70877979f1e86a6b Signed-off-by: Ed Warnicke <eaw@cisco.com> Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
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.py173
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
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index 00000000000..93ffd0fb359
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+++ 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()