diff options
Diffstat (limited to 'src/vpp-api/java/jvpp-snat')
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__ */ |