VPP-1504: Remove JVPP

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

diff --git a/extras/japi/java/jvpp/gen/jvppgen/jni_msg_handlers_gen.py b/extras/japi/java/jvpp/gen/jvppgen/jni_msg_handlers_gen.py
deleted file mode 100755 (executable)
index 5f274a3..0000000
--- a/extras/japi/java/jvpp/gen/jvppgen/jni_msg_handlers_gen.py
+++ /dev/null
@@ -1,105 +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_c2j_swap
-from jvpp_model import is_dump, is_request, is_control_ping, is_control_ping_reply, is_retval
-
-
-def generate_jni_handlers(model):
-    """
-    Generates msg handlers for all messages except for dumps and requests (handled by vpp, not client).
-    :param model: meta-model of VPP API used for jVPP generation.
-    """
-    jni_impl = []
-    for msg in model.messages:
-        msg_name = msg.name
-        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
-
-        jni_impl.append(_MSG_HANDLER_TEMPLATE.substitute(
-            c_name=msg_name,
-            json_filename=model.json_api_files,
-            json_definition=msg.doc,
-            plugin_name=model.plugin_name,
-            err_handler=_generate_error_handler(msg),
-            class_ref_name=msg.java_name_lower,
-            dto_name=msg.java_name_upper,
-            dto_setters=generate_c2j_swap(msg, object_ref_name="dto", struct_ref_name="mp", is_alias=False)
-        ))
-    return "".join(jni_impl)
-
-_MSG_HANDLER_TEMPLATE = Template("""
-/**
- * Handler for ${c_name} message.
- * Generated based on $json_filename:
-$json_definition
- */
-static void vl_api_${c_name}_t_handler (vl_api_${c_name}_t * mp)
-{
-    ${plugin_name}_main_t *plugin_main = &${plugin_name}_main;
-    JNIEnv *env = jvpp_main.jenv;
-    jthrowable exc;
-$err_handler
-
-    if (CLIB_DEBUG > 1)
-        clib_warning ("Received ${c_name} event message");
-
-    jmethodID constructor = (*env)->GetMethodID(env, ${class_ref_name}Class, "<init>", "()V");
-
-    // User does not have to provide callbacks for all VPP messages.
-    // We are ignoring messages that are not supported by user.
-    (*env)->ExceptionClear(env); // just in case exception occurred in different place and was not properly cleared
-    jmethodID callbackMethod = (*env)->GetMethodID(env, plugin_main->callbackClass, "on${dto_name}", "(Lio/fd/vpp/jvpp/${plugin_name}/dto/${dto_name};)V");
-    exc = (*env)->ExceptionOccurred(env);
-    if (exc) {
-        clib_warning("Unable to extract on${dto_name} method reference from ${plugin_name} plugin's callbackClass. Ignoring message.\\n");
-        (*env)->ExceptionDescribe(env);
-        (*env)->ExceptionClear(env);
-        return;
-    }
-
-    jobject dto = (*env)->NewObject(env, ${class_ref_name}Class, constructor);
-$dto_setters
-
-    (*env)->CallVoidMethod(env, plugin_main->callbackObject, callbackMethod, dto);
-    // free DTO as per http://stackoverflow.com/questions/1340938/memory-leak-when-calling-java-code-from-c-using-jni
-    (*env)->DeleteLocalRef(env, dto);
-}""")
-
-
-def _generate_error_handler(msg):
-    err_handler = ""
-    for field in msg.fields:
-        if is_retval(field):
-            err_handler = _ERR_HANDLER_TEMPLATE.substitute(name=msg.name)
-    return err_handler
-
-# Code fragment for checking result of the operation before sending request reply.
-# Error checking is optional (some messages, e.g. detail messages do not have retval field).
-_ERR_HANDLER_TEMPLATE = Template("""
-    // for negative result don't send callback message but send error callback
-    if (mp->retval<0) {
-        call_on_error("${name}", mp->context, mp->retval, plugin_main->callbackClass, plugin_main->callbackObject, callbackExceptionClass);
-        return;
-    }
-    if (mp->retval == VNET_API_ERROR_IN_PROGRESS) {
-        clib_warning("Result in progress");
-        return;
-    }""")