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-rw-r--r--src/vpp-api/java/jvpp-snat/io/fd/vpp/jvpp/snat/test/CallbackApiTest.java68
-rw-r--r--src/vpp-api/java/jvpp-snat/io/fd/vpp/jvpp/snat/test/Readme.txt1
-rw-r--r--src/vpp-api/java/jvpp-snat/jvpp_snat.c124
-rw-r--r--src/vpp-api/java/jvpp-snat/jvpp_snat.h45
4 files changed, 238 insertions, 0 deletions
diff --git a/src/vpp-api/java/jvpp-snat/io/fd/vpp/jvpp/snat/test/CallbackApiTest.java b/src/vpp-api/java/jvpp-snat/io/fd/vpp/jvpp/snat/test/CallbackApiTest.java
new file mode 100644
index 00000000000..32165d962ba
--- /dev/null
+++ b/src/vpp-api/java/jvpp-snat/io/fd/vpp/jvpp/snat/test/CallbackApiTest.java
@@ -0,0 +1,68 @@
+/*
+ * 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.
+ */
+
+package io.fd.vpp.jvpp.snat.test;
+
+import io.fd.vpp.jvpp.JVpp;
+import io.fd.vpp.jvpp.JVppRegistry;
+import io.fd.vpp.jvpp.JVppRegistryImpl;
+import io.fd.vpp.jvpp.VppCallbackException;
+import io.fd.vpp.jvpp.snat.JVppSnatImpl;
+import io.fd.vpp.jvpp.snat.callback.SnatInterfaceAddDelFeatureCallback;
+import io.fd.vpp.jvpp.snat.dto.SnatInterfaceAddDelFeature;
+import io.fd.vpp.jvpp.snat.dto.SnatInterfaceAddDelFeatureReply;
+
+public class CallbackApiTest {
+
+ static class TestCallback implements SnatInterfaceAddDelFeatureCallback {
+
+ @Override
+ public void onSnatInterfaceAddDelFeatureReply(final SnatInterfaceAddDelFeatureReply msg) {
+ System.out.printf("Received SnatInterfaceAddDelFeatureReply: context=%d%n",
+ msg.context);
+ }
+
+ @Override
+ public void onError(VppCallbackException ex) {
+ System.out.printf("Received onError exception: call=%s, context=%d, retval=%d%n", ex.getMethodName(),
+ ex.getCtxId(), ex.getErrorCode());
+ }
+ }
+
+ public static void main(String[] args) throws Exception {
+ testCallbackApi();
+ }
+
+ private static void testCallbackApi() throws Exception {
+ System.out.println("Testing Java callback API for snat plugin");
+ try (final JVppRegistry registry = new JVppRegistryImpl("SnatCallbackApiTest");
+ final JVpp jvpp = new JVppSnatImpl()) {
+ registry.register(jvpp, new TestCallback());
+
+ System.out.println("Sending SnatInterfaceAddDelFeature request...");
+ SnatInterfaceAddDelFeature request = new SnatInterfaceAddDelFeature();
+ request.isAdd = 1;
+ request.isInside = 1;
+ request.swIfIndex = 1;
+ final int result = jvpp.send(request);
+ System.out.printf("SnatInterfaceAddDelFeature send result = %d%n", result);
+
+ Thread.sleep(1000);
+
+ System.out.println("Disconnecting...");
+ }
+ }
+}
diff --git a/src/vpp-api/java/jvpp-snat/io/fd/vpp/jvpp/snat/test/Readme.txt b/src/vpp-api/java/jvpp-snat/io/fd/vpp/jvpp/snat/test/Readme.txt
new file mode 100644
index 00000000000..a2b0c41f09d
--- /dev/null
+++ b/src/vpp-api/java/jvpp-snat/io/fd/vpp/jvpp/snat/test/Readme.txt
@@ -0,0 +1 @@
+sudo java -cp build-vpp-native/vpp-api/java/jvpp-registry-17.01.jar:build-vpp-native/plugins/snat-plugin/jvpp-snat-1.0.jar io.fd.vpp.jvpp.snat.test.CallbackApiTest
diff --git a/src/vpp-api/java/jvpp-snat/jvpp_snat.c b/src/vpp-api/java/jvpp-snat/jvpp_snat.c
new file mode 100644
index 00000000000..1095b6eb725
--- /dev/null
+++ b/src/vpp-api/java/jvpp-snat/jvpp_snat.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 <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));
+
+ #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_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);
+}
diff --git a/src/vpp-api/java/jvpp-snat/jvpp_snat.h b/src/vpp-api/java/jvpp-snat/jvpp_snat.h
new file mode 100644
index 00000000000..6426bda8834
--- /dev/null
+++ b/src/vpp-api/java/jvpp-snat/jvpp_snat.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_snat_h__
+#define __included_jvpp_snat_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-SNAT */
+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;
+
+} snat_main_t;
+
+snat_main_t snat_main __attribute__((aligned (64)));
+
+
+#endif /* __included_jvpp_snat_h__ */