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/*
* 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.
*/
#include <vnet/vnet.h>
#include <ioam/lib-trace/trace_msg_enum.h>
#define vl_typedefs /* define message structures */
#include <ioam/lib-trace/trace_all_api_h.h>
#undef vl_typedefs
#define vl_endianfun
#include <ioam/lib-trace/trace_all_api_h.h>
#undef vl_endianfun
#define vl_print(handle, ...)
#define vl_printfun
#include <ioam/lib-trace/trace_all_api_h.h>
#undef vl_printfun
/* Get the API version number */
#define vl_api_version(n,v) static u32 api_version=(v);
#include <ioam/lib-trace/trace_all_api_h.h>
#undef vl_api_version
#include <vnet/api_errno.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#if VPPJNI_DEBUG == 1
#define DEBUG_LOG(...) clib_warning(__VA_ARGS__)
#else
#define DEBUG_LOG(...)
#endif
#include <jvpp-common/jvpp_common.h>
#include "jvpp-ioamtrace/io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl.h"
#include "jvpp_ioam_trace.h"
#include "jvpp-ioamtrace/jvpp_ioamtrace_gen.h"
/*
* Class: io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl
* Method: init0
* Signature: (JI)V
*/
JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl_init0
(JNIEnv *env, jclass clazz, jobject callback, jlong queue_address, jint my_client_index) {
ioamtrace_main_t * plugin_main = &ioamtrace_main;
u8 * name;
clib_warning ("Java_io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl_init0");
plugin_main->my_client_index = my_client_index;
plugin_main->vl_input_queue = (unix_shared_memory_queue_t *)queue_address;
name = format (0, "ioam_trace_%08x%c", api_version, 0);
plugin_main->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
if (plugin_main->msg_id_base == (u16) ~0) {
jclass exClass = (*env)->FindClass(env, "java/lang/IllegalStateException");
(*env)->ThrowNew(env, exClass, "ioam_trace plugin is not loaded in VPP");
} else {
plugin_main->callbackObject = (*env)->NewGlobalRef(env, callback);
plugin_main->callbackClass = (jclass)(*env)->NewGlobalRef(env, (*env)->GetObjectClass(env, callback));
// verify API has not changed since jar generation
#define _(N) \
get_message_id(env, #N); \
foreach_supported_api_message;
#undef _
#define _(N,n) \
vl_msg_api_set_handlers(get_message_id(env, #N), #n, \
vl_api_##n##_t_handler, \
vl_noop_handler, \
vl_api_##n##_t_endian, \
vl_api_##n##_t_print, \
sizeof(vl_api_##n##_t), 1);
foreach_api_reply_handler;
#undef _
}
}
JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl_close0
(JNIEnv *env, jclass clazz) {
ioamtrace_main_t * plugin_main = &ioamtrace_main;
// cleanup:
(*env)->DeleteGlobalRef(env, plugin_main->callbackClass);
(*env)->DeleteGlobalRef(env, plugin_main->callbackObject);
plugin_main->callbackClass = NULL;
plugin_main->callbackObject = NULL;
}
/* Attach thread to JVM and cache class references when initiating JVPP iOAM Trace */
jint JNI_OnLoad(JavaVM *vm, void *reserved) {
JNIEnv* env;
if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_8) != JNI_OK) {
return JNI_EVERSION;
}
if (cache_class_references(env) != 0) {
clib_warning ("Failed to cache class references\n");
return JNI_ERR;
}
return JNI_VERSION_1_8;
}
/* Clean up cached references when disposing JVPP iOAM Trace */
void JNI_OnUnload(JavaVM *vm, void *reserved) {
JNIEnv* env;
if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_8) != JNI_OK) {
return;
}
delete_class_references(env);
}
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