From 21f3798c7938d070725816214368394e6a16bd04 Mon Sep 17 00:00:00 2001 From: Michal Cmarada Date: Wed, 23 Jan 2019 09:05:07 +0100 Subject: initial commit - migrates source code from VPP code base - modifies cmake configuration - adds cpack configuration for deb and rpm packaging - adds documentation Change-Id: Ib6a39030f6c47c8ae654fcb886c618e159fb63b4 Signed-off-by: Michal Cmarada --- java/jvpp-common/jvpp_common.h | 75 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 java/jvpp-common/jvpp_common.h (limited to 'java/jvpp-common/jvpp_common.h') diff --git a/java/jvpp-common/jvpp_common.h b/java/jvpp-common/jvpp_common.h new file mode 100644 index 0000000..e12141b --- /dev/null +++ b/java/jvpp-common/jvpp_common.h @@ -0,0 +1,75 @@ +/* + * 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 +#include +#include +#include +#include + +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 */ + svm_queue_t * vl_input_queue; + u32 my_client_index; + uword *messages_hash; +} 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 clib_atomic_add_fetch(&jm->context_id, 1); +} + +static_always_inline void vppjni_lock(jvpp_main_t * jm, u32 tag) { + while (clib_atomic_test_and_set(&jm->lock)) + ; + 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); + +/** + * Retrieves message id based on message name and crc (key format: name_crc). + * Throws java/lang/IllegalStateException on failure. + */ +u32 get_message_id(JNIEnv *env, const char* key); + +#endif /* __included_jvpp_common_h__ */ -- cgit 1.2.3-korg