blob: 8f3969893665c6aeeafbfaa56dcdb545a12135a3 [file] [log] [blame]
Sagar Srivastav5c3bfab2016-11-20 20:31:49 -08001/*
2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <vnet/vnet.h>
17
18#include <ioam/lib-pot/pot_msg_enum.h>
19#define vl_typedefs /* define message structures */
20#include <ioam/lib-pot/pot_all_api_h.h>
21#undef vl_typedefs
22
Sagar Srivastav5c3bfab2016-11-20 20:31:49 -080023#include <vnet/api_errno.h>
24#include <vlibapi/api.h>
25#include <vlibmemory/api.h>
26
27#if VPPJNI_DEBUG == 1
28 #define DEBUG_LOG(...) clib_warning(__VA_ARGS__)
29#else
30 #define DEBUG_LOG(...)
31#endif
32
33#include <jvpp-common/jvpp_common.h>
34
Damjan Marioncb034b92016-12-28 18:38:59 +010035#include "jvpp-ioampot/io_fd_vpp_jvpp_ioampot_JVppIoampotImpl.h"
Sagar Srivastav5c3bfab2016-11-20 20:31:49 -080036#include "jvpp_ioam_pot.h"
Damjan Marioncb034b92016-12-28 18:38:59 +010037#include "jvpp-ioampot/jvpp_ioampot_gen.h"
Sagar Srivastav5c3bfab2016-11-20 20:31:49 -080038
39/*
40 * Class: io_fd_vpp_jvpp_ioampot_JVppIoampotImpl
41 * Method: init0
42 * Signature: (JI)V
43 */
44JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_ioampot_JVppIoampotImpl_init0
45 (JNIEnv *env, jclass clazz, jobject callback, jlong queue_address, jint my_client_index) {
46 ioampot_main_t * plugin_main = &ioampot_main;
Sagar Srivastav5c3bfab2016-11-20 20:31:49 -080047 clib_warning ("Java_io_fd_vpp_jvpp_ioampot_JVppIoampotImpl_init0");
48
49 plugin_main->my_client_index = my_client_index;
Damjan Marion31d43482017-04-26 14:25:56 +020050 plugin_main->vl_input_queue = uword_to_pointer (queue_address, unix_shared_memory_queue_t *);
Sagar Srivastav5c3bfab2016-11-20 20:31:49 -080051
Marek Gradzki2291a362017-02-20 09:14:13 +010052 plugin_main->callbackObject = (*env)->NewGlobalRef(env, callback);
53 plugin_main->callbackClass = (jclass)(*env)->NewGlobalRef(env, (*env)->GetObjectClass(env, callback));
Sagar Srivastav5c3bfab2016-11-20 20:31:49 -080054
Marek Gradzki2291a362017-02-20 09:14:13 +010055 // verify API has not changed since jar generation
56 #define _(N) \
57 get_message_id(env, #N);
58 foreach_supported_api_message;
59 #undef _
Sagar Srivastav5c3bfab2016-11-20 20:31:49 -080060
Marek Gradzki2291a362017-02-20 09:14:13 +010061 #define _(N,n) \
62 vl_msg_api_set_handlers(get_message_id(env, #N), #n, \
63 vl_api_##n##_t_handler, \
64 vl_noop_handler, \
Marek Gradzki0eb2b162017-04-06 09:37:00 +020065 vl_noop_handler, \
66 vl_noop_handler, \
Marek Gradzki2291a362017-02-20 09:14:13 +010067 sizeof(vl_api_##n##_t), 1);
68 foreach_api_reply_handler;
69 #undef _
Sagar Srivastav5c3bfab2016-11-20 20:31:49 -080070}
71
72JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_ioampot_JVppIoampotImpl_close0
73(JNIEnv *env, jclass clazz) {
74 ioampot_main_t * plugin_main = &ioampot_main;
75
76 // cleanup:
77 (*env)->DeleteGlobalRef(env, plugin_main->callbackClass);
78 (*env)->DeleteGlobalRef(env, plugin_main->callbackObject);
79
80 plugin_main->callbackClass = NULL;
81 plugin_main->callbackObject = NULL;
82}
83
84/* Attach thread to JVM and cache class references when initiating JVPP iOAM POT */
85jint JNI_OnLoad(JavaVM *vm, void *reserved) {
86 JNIEnv* env;
87
88 if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_8) != JNI_OK) {
89 return JNI_EVERSION;
90 }
91
92 if (cache_class_references(env) != 0) {
93 clib_warning ("Failed to cache class references\n");
94 return JNI_ERR;
95 }
96
97 return JNI_VERSION_1_8;
98}
99
100/* Clean up cached references when disposing JVPP iOAM POT */
101void JNI_OnUnload(JavaVM *vm, void *reserved) {
102 JNIEnv* env;
103 if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_8) != JNI_OK) {
104 return;
105 }
106 delete_class_references(env);
107}