68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
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/*
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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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#ifndef __included_jvpp_common_h__
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#define __included_jvpp_common_h__
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//
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#include <vppinfra/types.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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typedef struct {
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/* Unique identifier used for matching replays with requests */
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volatile u32 context_id;
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/* Spinlock */
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volatile u32 lock;
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u32 tag;
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/* JNI Native Method Interface pointer for message handlers */
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JNIEnv *jenv;
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/* JNI Invoke Interface pointer for attachment of rx thread to java thread */
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JavaVM *jvm;
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/* Convenience */
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unix_shared_memory_queue_t * vl_input_queue;
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u32 my_client_index;
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} jvpp_main_t;
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extern jvpp_main_t jvpp_main __attribute__((aligned (64)));
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static_always_inline u32 vppjni_get_context_id(jvpp_main_t * jm) {
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return __sync_add_and_fetch(&jm->context_id, 1);
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}
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static_always_inline void vppjni_lock(jvpp_main_t * jm, u32 tag) {
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while (__sync_lock_test_and_set(&jm->lock, 1))
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;
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jm->tag = tag;
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}
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static_always_inline void vppjni_unlock(jvpp_main_t * jm) {
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jm->tag = 0;
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CLIB_MEMORY_BARRIER();
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jm->lock = 0;
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}
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/**
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* Calls onError callback on callbackObject reference. Passes instance of callbackExceptionClass as parameter.
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*/
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void call_on_error(const char* callName, int contextId, int retval,
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jclass callbackClass, jobject callbackObject,
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jclass callbackExceptionClass);
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#endif /* __included_jvpp_common_h__ */
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