vpp/vpp-api/java/jvpp-common/jvpp_common.h
Marek Gradzki 66ea26b1bc VPP-205: jvpp plugin support.
Splits jvpp into two jars
jvpp-registry.jar - base jvpp functionality
jvpp-core.jar - Java wrapper for vpe.api

Plugins can be generated the same way jvpp-core.jar is.
Example (nsh):
https://gerrit.fd.io/r/#/c/2118/

Change-Id: I2254f90b2c3e423563bb91bf70877979f1e90a7d
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
2016-08-16 21:26:19 +00:00

68 lines
2.0 KiB
C

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