1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* 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 <snat/snat_msg_enum.h>
#define vl_typedefs /* define message structures */
#include <snat/snat_all_api_h.h>
#undef vl_typedefs
#define vl_endianfun
#include <snat/snat_all_api_h.h>
#undef vl_endianfun
#define vl_print(handle, ...)
#define vl_printfun
#include <snat/snat_all_api_h.h>
#undef vl_printfun
/* Get the API version number */
#define vl_api_version(n,v) static u32 api_version=(v);
#include <snat/snat_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-snat/io_fd_vpp_jvpp_snat_JVppSnatImpl.h"
#include "jvpp_snat.h"
#include "jvpp-snat/jvpp_snat_gen.h"
/*
* Class: io_fd_vpp_jvpp_snat_JVppsnatImpl
* Method: init0
* Signature: (JI)V
*/
JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_snat_JVppSnatImpl_init0
(JNIEnv *env, jclass clazz, jobject callback, jlong queue_address, jint my_client_index) {
snat_main_t * plugin_main = &snat_main;
u8 * name;
clib_warning ("Java_io_fd_vpp_jvpp_snat_JVppSnatImpl_init0");
plugin_main->my_client_index = my_client_index;
plugin_main->vl_input_queue = (unix_shared_memory_queue_t *)queue_address;
name = format (0, "snat_%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, "snat 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_snat_JVppSnatImpl_close0
(JNIEnv *env, jclass clazz) {
snat_main_t * plugin_main = &snat_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 SNAT */
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 SNAT */
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);
}
|
