81c7dfc1bb
Generates java classes based on typeonly definitions (hashcode, equals and toString methods are also included). Adds JNI handling for request and reply messages (also arrays of custom types). Change-Id: I16f1cea17899704426aa083fad1cb800a8d115df Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/*
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* Copyright (c) 2016 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <vnet/vnet.h>
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#include <vpp-api/vpe_msg_enum.h>
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#define vl_typedefs /* define message structures */
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#include <vpp-api/vpe_all_api_h.h>
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#undef vl_typedefs
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#define vl_endianfun
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#include <vpp-api/vpe_all_api_h.h>
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#undef vl_endianfun
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#define vl_print(handle, ...)
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#define vl_printfun
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#include <vpp-api/vpe_all_api_h.h>
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#undef vl_printfun
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#include <vnet/api_errno.h>
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#include <vlibapi/api.h>
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#include <vlibmemory/api.h>
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#include <jni.h>
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#include <jvpp-common/jvpp_common.h>
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// TODO: generate jvpp_plugin_name.c files (or at least reuse plugin's main structure)
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typedef struct {
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/* Base message index for the nsh plugin */
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u16 msg_id_base;
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/* Pointer to shared memory queue */
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unix_shared_memory_queue_t * vl_input_queue;
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/* VPP api client index */
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u32 my_client_index;
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/* Callback object and class references enabling asynchronous Java calls */
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jobject callbackObject;
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jclass callbackClass;
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} core_main_t;
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core_main_t core_main __attribute__((aligned (64)));
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#include "io_fd_vpp_jvpp_core_JVppCoreImpl.h"
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#include "jvpp_core_gen.h"
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JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_core_JVppCoreImpl_init0
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(JNIEnv * env, jclass clazz, jobject callback, jlong queue_address, jint my_client_index) {
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core_main_t * plugin_main = &core_main;
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plugin_main->my_client_index = my_client_index;
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plugin_main->vl_input_queue = (unix_shared_memory_queue_t *)queue_address;
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plugin_main->callbackObject = (*env)->NewGlobalRef(env, callback);
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plugin_main->callbackClass = (jclass)(*env)->NewGlobalRef(env, (*env)->GetObjectClass(env, callback));
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#define _(N,n) \
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vl_msg_api_set_handlers(VL_API_##N, #n, \
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vl_api_##n##_t_handler, \
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vl_noop_handler, \
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vl_noop_handler, \
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vl_noop_handler, \
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sizeof(vl_api_##n##_t), 1);
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foreach_api_reply_handler;
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#undef _
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}
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JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_core_JVppCoreImpl_close0
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(JNIEnv *env, jclass clazz) {
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core_main_t * plugin_main = &core_main;
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// cleanup:
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(*env)->DeleteGlobalRef(env, plugin_main->callbackClass);
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(*env)->DeleteGlobalRef(env, plugin_main->callbackObject);
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plugin_main->callbackClass = NULL;
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plugin_main->callbackObject = NULL;
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}
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jint JNI_OnLoad(JavaVM *vm, void *reserved) {
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JNIEnv* env;
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if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_8) != JNI_OK) {
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return JNI_EVERSION;
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}
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if (cache_class_references(env) != 0) {
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clib_warning ("Failed to cache class references\n");
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return JNI_ERR;
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}
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return JNI_VERSION_1_8;
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}
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void JNI_OnUnload(JavaVM *vm, void *reserved) {
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JNIEnv* env;
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if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_8) != JNI_OK) {
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return;
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}
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delete_class_references(env);
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}
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