--- /dev/null
+#!/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
+from string import Template
+
+import util
+import jni_gen
+import dto_gen
+
+type_template = Template("""
+package $plugin_package.$type_package;
+
+/**
+ * <p>This class represents $c_type_name type definition.
+ * <br>It was generated by types_gen.py based on $inputfile preparsed data:
+ * <pre>
+$docs
+ * </pre>
+ */
+public final class $java_type_name {
+$fields
+$methods
+}
+""")
+
+field_template = Template(""" public $type $name;\n""")
+
+
+def generate_type_fields(type_definition):
+ """
+ Generates fields for class representing typeonly definition
+ :param type_definition: python representation of typeonly definition
+ :return: string representing class fields
+ """
+ fields = ""
+ for t in zip(type_definition['types'], type_definition['args']):
+ field_name = util.underscore_to_camelcase(t[1])
+ fields += field_template.substitute(type=util.jni_2_java_type_mapping[t[0]],
+ name=field_name)
+ return fields
+
+object_struct_setter_template = Template("""
+ {
+ jclass ${field_reference_name}Class = (*env)->FindClass(env, "${class_FQN}");
+ memset (&(mp->${c_name}), 0, sizeof (mp->${c_name}));
+ ${struct_initialization}
+ }
+""")
+
+object_array_struct_setter_template = Template("""
+ {
+ jclass ${field_reference_name}ArrayElementClass = (*env)->FindClass(env, "${class_FQN}");
+ if (${field_reference_name}) {
+ size_t _i;
+ jsize cnt = (*env)->GetArrayLength (env, ${field_reference_name});
+ ${field_length_check}
+ for (_i = 0; _i < cnt; _i++) {
+ jobject ${field_reference_name}ArrayElement = (*env)->GetObjectArrayElement(env, ${field_reference_name}, _i);
+ memset (&(mp->${c_name}[_i]), 0, sizeof (mp->${c_name}[_i]));
+ ${struct_initialization}
+ }
+ }
+ }
+""")
+
+object_dto_field_setter_template = Template("""
+ {
+ jclass ${field_reference_name}Class = (*env)->FindClass(env, "${class_FQN}");
+ jmethodID ${field_reference_name}Constructor = (*env)->GetMethodID(env, ${field_reference_name}Class, "<init>", "()V");
+ jobject ${field_reference_name} = (*env)->NewObject(env, ${field_reference_name}Class, ${field_reference_name}Constructor);
+ ${type_initialization}
+ (*env)->SetObjectField(env, dto, ${field_reference_name}FieldId, ${field_reference_name});
+ }
+""")
+
+object_array_dto_field_setter_template = Template("""
+ {
+ jclass ${field_reference_name}Class = (*env)->FindClass(env, "${class_FQN}");
+ jobjectArray ${field_reference_name} = (*env)->NewObjectArray(env, ${field_length}, ${field_reference_name}Class, 0);
+ unsigned int _i;
+ for (_i = 0; _i < ${field_length}; _i++) {
+ jmethodID ${field_reference_name}Constructor = (*env)->GetMethodID(env, ${field_reference_name}Class, "<init>", "()V");
+ jobject ${field_reference_name}ArrayElement = (*env)->NewObject(env, ${field_reference_name}Class, ${field_reference_name}Constructor);
+ ${type_initialization}
+ (*env)->SetObjectArrayElement(env, ${field_reference_name}, _i, ${field_reference_name}ArrayElement);
+ }
+ (*env)->SetObjectField(env, dto, ${field_reference_name}FieldId, ${field_reference_name});
+ }
+""")
+
+
+def generate_struct_initialization(type_def, c_name_prefix, object_name, indent):
+ struct_initialization = ""
+ # field identifiers
+ for t in zip(type_def['types'], type_def['args'], type_def['lengths']):
+ field_reference_name = "${c_name}" + util.underscore_to_camelcase_upper(t[1])
+ field_name = util.underscore_to_camelcase(t[1])
+ struct_initialization += jni_gen.jni_request_binding_for_type(field_type=t[0], c_name=c_name_prefix + t[1],
+ field_reference_name=field_reference_name,
+ field_name=field_name,
+ field_length=t[2][0],
+ is_variable_len_array=t[2][1],
+ object_name=object_name)
+ return indent + struct_initialization.replace('\n', '\n' + indent)
+
+
+def generate_type_setter(handler_name, type_def, c_name_prefix, object_name, indent):
+ type_initialization = ""
+ for t in zip(type_def['types'], type_def['args'], type_def['lengths']):
+ field_length = t[2][0]
+ is_variable_len_array = t[2][1]
+ length_field_type = None
+ if is_variable_len_array:
+ length_field_type = type_def['types'][type_def['args'].index(field_length)]
+ type_initialization += jni_gen.jni_reply_handler_for_type(handler_name=handler_name,
+ ref_name="${field_reference_name}",
+ field_type=t[0], c_name=c_name_prefix + t[1],
+ field_reference_name="${c_name}" + util.underscore_to_camelcase_upper(t[1]),
+ field_name=util.underscore_to_camelcase(t[1]),
+ field_length=field_length,
+ is_variable_len_array=is_variable_len_array,
+ length_field_type=length_field_type,
+ object_name=object_name)
+ return indent + type_initialization.replace('\n', '\n' + indent)
+
+
+def generate_types(types_list, plugin_package, types_package, inputfile):
+ """
+ Generates Java representation of custom types defined in api file.
+ """
+
+ #
+ if not types_list:
+ print "Skipping custom types generation (%s does not define custom types)." % inputfile
+ return
+
+ print "Generating custom types"
+
+ if not os.path.exists(types_package):
+ os.mkdir(types_package)
+
+ for type in types_list:
+ c_type_name = type['name']
+ java_type_name = util.underscore_to_camelcase_upper(type['name'])
+ dto_path = os.path.join(types_package, java_type_name + ".java")
+
+ fields = generate_type_fields(type)
+
+ dto_file = open(dto_path, 'w')
+ dto_file.write(type_template.substitute(plugin_package=plugin_package,
+ type_package=types_package,
+ c_type_name=c_type_name,
+ inputfile=inputfile,
+ docs=util.api_message_to_javadoc(type),
+ java_type_name=java_type_name,
+ fields=fields,
+ methods=dto_gen.generate_dto_base_methods(java_type_name, type)
+ ))
+
+ # update type mappings:
+ # todo fix vpe.api to use type_name instead of vl_api_type_name_t
+ type_name = "vl_api_" + c_type_name + "_t"
+ java_fqn = "%s.%s.%s" % (plugin_package, types_package, java_type_name)
+ util.vpp_2_jni_type_mapping[type_name] = "jobject"
+ util.vpp_2_jni_type_mapping[type_name + "[]"] = "jobjectArray"
+ util.jni_2_java_type_mapping[type_name] = java_fqn
+ util.jni_2_java_type_mapping[type_name + "[]"] = java_fqn + "[]"
+ jni_name = java_fqn.replace('.', "/")
+ jni_signature = "L" + jni_name + ";"
+ util.jni_2_signature_mapping[type_name] = "L" + jni_name + ";"
+ util.jni_2_signature_mapping[type_name + "[]"] = "[" + jni_signature
+ util.jni_field_accessors[type_name] = "ObjectField"
+ util.jni_field_accessors[type_name + "[]"] = "ObjectField"
+
+ jni_gen.struct_setter_templates[type_name] = Template(
+ object_struct_setter_template.substitute(
+ c_name="${c_name}",
+ field_reference_name="${field_reference_name}",
+ class_FQN=jni_name,
+ struct_initialization=generate_struct_initialization(type, "${c_name}.",
+ "${field_reference_name}", ' ' * 4))
+ )
+
+ jni_gen.struct_setter_templates[type_name+ "[]"] = Template(
+ object_array_struct_setter_template.substitute(
+ c_name="${c_name}",
+ field_reference_name="${field_reference_name}",
+ field_length_check="${field_length_check}",
+ class_FQN=jni_name,
+ struct_initialization=generate_struct_initialization(type, "${c_name}[_i].",
+ "${field_reference_name}ArrayElement", ' ' * 8))
+ )
+
+ jni_gen.dto_field_setter_templates[type_name] = Template(
+ object_dto_field_setter_template.substitute(
+ field_reference_name="${field_reference_name}",
+ field_length="${field_length}",
+ class_FQN=jni_name,
+ type_initialization=generate_type_setter(c_type_name, type, "${c_name}.",
+ "${field_reference_name}", ' ' * 4))
+ )
+
+ jni_gen.dto_field_setter_templates[type_name + "[]"] = Template(
+ object_array_dto_field_setter_template.substitute(
+ field_reference_name="${field_reference_name}",
+ field_length="${field_length}",
+ class_FQN=jni_name,
+ type_initialization=generate_type_setter(c_type_name, type, "${c_name}[_i].",
+ "${field_reference_name}ArrayElement", ' ' * 8))
+ )
+
+ dto_file.flush()
+ dto_file.close()
+
Code Review / vpp.git / blobdiff