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authorSagar Srivastav <sagsriva@cisco.com>2016-11-20 20:31:49 -0800
committerDamjan Marion <dmarion.lists@gmail.com>2016-12-08 10:37:48 +0000
commit5c3bfab7862cac29aa1c589f89158ec00f99fe19 (patch)
tree4fa84194722995443f26f71c19d4e17ba155792c /plugins/ioam-plugin/ioam/lib-pot
parent2c4dbff25b3c461e7576f35508f780ea784ef7d4 (diff)
ioam: pot plugin - generate java bindings for ioam-pot plugin
Change-Id: I078bbc9ea495b395ade499fe3ad7d98dd766f2be Signed-off-by: Sagar Srivastav <sagsriva@cisco.com>
Diffstat (limited to 'plugins/ioam-plugin/ioam/lib-pot')
-rw-r--r--plugins/ioam-plugin/ioam/lib-pot/jvpp_ioam_pot.c124
-rw-r--r--plugins/ioam-plugin/ioam/lib-pot/jvpp_ioam_pot.h45
-rw-r--r--plugins/ioam-plugin/ioam/lib-pot/pot_api.c2
3 files changed, 170 insertions, 1 deletions
diff --git a/plugins/ioam-plugin/ioam/lib-pot/jvpp_ioam_pot.c b/plugins/ioam-plugin/ioam/lib-pot/jvpp_ioam_pot.c
new file mode 100644
index 00000000000..a60ae60f4fa
--- /dev/null
+++ b/plugins/ioam-plugin/ioam/lib-pot/jvpp_ioam_pot.c
@@ -0,0 +1,124 @@
+/*
+ * 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 <ioam/lib-pot/pot_msg_enum.h>
+#define vl_typedefs /* define message structures */
+#include <ioam/lib-pot/pot_all_api_h.h>
+#undef vl_typedefs
+
+#define vl_endianfun
+#include <ioam/lib-pot/pot_all_api_h.h>
+#undef vl_endianfun
+
+#define vl_print(handle, ...)
+#define vl_printfun
+#include <ioam/lib-pot/pot_all_api_h.h>
+#undef vl_printfun
+
+/* Get the API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <ioam/lib-pot/pot_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 "ioam/jvpp/io_fd_vpp_jvpp_ioampot_JVppIoampotImpl.h"
+#include "jvpp_ioam_pot.h"
+#include "ioam/jvpp/jvpp_ioam_pot_gen.h"
+
+/*
+ * Class: io_fd_vpp_jvpp_ioampot_JVppIoampotImpl
+ * Method: init0
+ * Signature: (JI)V
+ */
+JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_ioampot_JVppIoampotImpl_init0
+ (JNIEnv *env, jclass clazz, jobject callback, jlong queue_address, jint my_client_index) {
+ ioampot_main_t * plugin_main = &ioampot_main;
+ u8 * name;
+ clib_warning ("Java_io_fd_vpp_jvpp_ioampot_JVppIoampotImpl_init0");
+
+ plugin_main->my_client_index = my_client_index;
+ plugin_main->vl_input_queue = (unix_shared_memory_queue_t *)queue_address;
+
+ name = format (0, "ioam_pot_%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, "ioam_pot 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));
+
+ #define _(N,n) \
+ vl_msg_api_set_handlers(VL_API_##N + plugin_main->msg_id_base, #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_ioampot_JVppIoampotImpl_close0
+(JNIEnv *env, jclass clazz) {
+ ioampot_main_t * plugin_main = &ioampot_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 iOAM POT */
+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 iOAM POT */
+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);
+}
diff --git a/plugins/ioam-plugin/ioam/lib-pot/jvpp_ioam_pot.h b/plugins/ioam-plugin/ioam/lib-pot/jvpp_ioam_pot.h
new file mode 100644
index 00000000000..d1fb55fa60a
--- /dev/null
+++ b/plugins/ioam-plugin/ioam/lib-pot/jvpp_ioam_pot.h
@@ -0,0 +1,45 @@
+/*
+ * 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_ioam_pot_h__
+#define __included_jvpp_ioam_pot_h__
+
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/api_errno.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <jni.h>
+
+/* Global state for JVPP-IOAM-TRACE */
+typedef struct {
+ /* Base message index for the nsh plugin */
+ u16 msg_id_base;
+
+ /* Pointer to shared memory queue */
+ unix_shared_memory_queue_t * vl_input_queue;
+
+ /* VPP api client index */
+ u32 my_client_index;
+
+ /* Callback object and class references enabling asynchronous Java calls */
+ jobject callbackObject;
+ jclass callbackClass;
+
+} ioampot_main_t;
+
+ioampot_main_t ioampot_main __attribute__((aligned (64)));
+
+
+#endif /* __included_jvpp_ioam_pot_h__ */
diff --git a/plugins/ioam-plugin/ioam/lib-pot/pot_api.c b/plugins/ioam-plugin/ioam/lib-pot/pot_api.c
index 484f223603e..f82badf447c 100644
--- a/plugins/ioam-plugin/ioam/lib-pot/pot_api.c
+++ b/plugins/ioam-plugin/ioam/lib-pot/pot_api.c
@@ -227,7 +227,7 @@ static clib_error_t * pot_init (vlib_main_t * vm)
bzero(sm, sizeof(pot_main));
(void)pot_util_init();
- name = format (0, "pot_%08x%c", api_version, 0);
+ name = format (0, "ioam_pot_%08x%c", api_version, 0);
/* Ask for a correctly-sized block of API message decode slots */
sm->msg_id_base = vl_msg_api_get_msg_ids