VPP-1504: Remove JVPP

[vpp.git] / extras / japi / java / jvpp / gen / jvppgen / jni_impl_gen.py

diff --git a/extras/japi/java/jvpp/gen/jvppgen/jni_impl_gen.py b/extras/japi/java/jvpp/gen/jvppgen/jni_impl_gen.py
deleted file mode 100755 (executable)
index 2941778..0000000
--- a/extras/japi/java/jvpp/gen/jvppgen/jni_impl_gen.py
+++ /dev/null
@@ -1,116 +0,0 @@
-#!/usr/bin/env python2
-#
-# Copyright (c) 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_common_gen import generate_j2c_identifiers, generate_j2c_swap
-from jvpp_model import is_dump, is_request, is_control_ping, is_control_ping_reply
-
-
-def generate_jni_impl(model):
-    """
-    Generates JNI bindings for sending dump and request messages.
-    :param model: meta-model of VPP API used for jVPP generation.
-    """
-    jni_impl = []
-    for msg in model.messages:
-        if is_control_ping(msg) or is_control_ping_reply(msg):
-            # Skip control ping managed by jvpp registry.
-            continue
-        if not (is_dump(msg) or is_request(msg)):
-            continue
-        arguments = ""
-        request_class = ""
-        jni_identifiers = ""
-        msg_initialization = ""
-
-        if msg.has_fields:
-            arguments = ", jobject request"
-            request_class = _REQUEST_CLASS_TEMPLATE.substitute(
-                plugin_name=model.plugin_name,
-                java_dto_name=msg.java_name_upper
-            )
-            jni_identifiers = generate_j2c_identifiers(msg, class_ref_name="requestClass", object_ref_name="request")
-            msg_initialization = generate_j2c_swap(msg, struct_ref_name="mp", is_alias=False)
-
-        jni_impl.append(_JNI_IMPL_TEMPLATE.substitute(
-            c_name=msg.name,
-            json_filename=model.json_api_files,
-            json_definition=msg.doc,
-            plugin_name=model.plugin_name,
-            plugin_java_name=model.plugin_java_name,
-            java_method_name=msg.java_name_lower,
-            arguments=arguments,
-            request_class=request_class,
-            jni_identifiers=jni_identifiers,
-            msg_size=_generate_msg_size(msg),
-            crc=msg.crc,
-            msg_initialization=msg_initialization
-        ))
-    return "".join(jni_impl)
-
-
-_JNI_IMPL_TEMPLATE = Template("""
-/**
- * JNI binding for sending ${c_name} message.
- * Generated based on $json_filename:
-$json_definition
- */
-JNIEXPORT jint JNICALL Java_io_fd_vpp_jvpp_${plugin_name}_JVpp${plugin_java_name}Impl_${java_method_name}0
-(JNIEnv * env, jclass clazz${arguments}) {
-    ${plugin_name}_main_t *plugin_main = &${plugin_name}_main;
-    vl_api_${c_name}_t * mp;
-    u32 my_context_id = vppjni_get_context_id (&jvpp_main);
-$request_class
-$jni_identifiers
-
-    // create message:
-    const size_t _size = ${msg_size};
-    mp = vl_msg_api_alloc(_size);
-    memset (mp, 0, _size);
-    mp->_vl_msg_id = ntohs (get_message_id(env, "${c_name}_${crc}"));
-    mp->client_index = plugin_main->my_client_index;
-    mp->context = clib_host_to_net_u32 (my_context_id);
-
-$msg_initialization
-
-    // send message:
-    if (CLIB_DEBUG > 1)
-        clib_warning ("Sending ${c_name} message");
-    vl_msg_api_send_shmem (plugin_main->vl_input_queue, (u8 *)&mp);
-    if ((*env)->ExceptionCheck(env)) {
-        return JNI_ERR;
-    }
-    return my_context_id;
-}""")
-
-# TODO: cache method and field identifiers to achieve better performance
-# https://jira.fd.io/browse/HONEYCOMB-42
-_REQUEST_CLASS_TEMPLATE = Template("""    jclass requestClass = (*env)->FindClass(env, "io/fd/vpp/jvpp/${plugin_name}/dto/${java_dto_name}");
-""")
-
-
-def _generate_msg_size(msg):
-    msg_size = "sizeof(*mp)"
-    _size_components = []
-    for field in msg.fields:
-        # Ignore ZLAs for simplicity (to support them we need to call JNI functions to check actual size)
-        if field.array_len_field:
-            _size_components += " + %s*sizeof(%s)" % (field.array_len_field.java_name, field.type.base_type.vpp_name)
-            # FIXME(VPP-586): for proper nested structures support, we need generate functions computing type sizes
-            # and use it instead of sizeof
-        if field.type.name == "string":
-            _size_components += " + jstr_length(env, %s) * sizeof(u8)" % field.name
-    return msg_size + "".join(_size_components)