From 047144853f05f2fd9f9dd0166d66cf52e641ba13 Mon Sep 17 00:00:00 2001 From: Shwetha Date: Thu, 13 Oct 2016 01:46:19 +0100 Subject: Java api generation for ioam trace plugin Makefile, configure, jvpp changes follow snat plugin jvpp Fixes trace api handling for endianess Change-Id: Id5c950ed3c85d5e0dc28ba31b580987baa1b133f Signed-off-by: Shwetha --- .../ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c | 119 +++++++++++++++++++++ .../ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.h | 45 ++++++++ plugins/ioam-plugin/ioam/lib-trace/trace.api | 2 +- plugins/ioam-plugin/ioam/lib-trace/trace_api.c | 5 +- plugins/ioam-plugin/ioam/lib-trace/trace_test.c | 10 +- 5 files changed, 173 insertions(+), 8 deletions(-) create mode 100644 plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c create mode 100644 plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.h (limited to 'plugins/ioam-plugin/ioam/lib-trace') diff --git a/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c b/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c new file mode 100644 index 00000000..3b573506 --- /dev/null +++ b/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.c @@ -0,0 +1,119 @@ +/* + * 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 + +#include +#define vl_typedefs /* define message structures */ +#include +#undef vl_typedefs + +#define vl_endianfun +#include +#undef vl_endianfun + +#define vl_print(handle, ...) +#define vl_printfun +#include +#undef vl_printfun + +/* Get the API version number */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include +#undef vl_api_version + +#include +#include +#include + +#if VPPJNI_DEBUG == 1 + #define DEBUG_LOG(...) clib_warning(__VA_ARGS__) +#else + #define DEBUG_LOG(...) +#endif + +#include + +#include "ioam/jvpp/io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl.h" +#include "jvpp_ioam_trace.h" +#include "ioam/jvpp/jvpp_ioam_trace_gen.h" + +/* + * Class: io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl + * Method: init0 + * Signature: (JI)V + */ +JNIEXPORT void JNICALL Java_io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl_init0 + (JNIEnv *env, jclass clazz, jobject callback, jlong queue_address, jint my_client_index) { + ioamtrace_main_t * plugin_main = &ioamtrace_main; + u8 * name; + clib_warning ("Java_io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl_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_trace_%08x%c", api_version, 0); + plugin_main->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name); + + 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_ioamtrace_JVppIoamtraceImpl_close0 +(JNIEnv *env, jclass clazz) { + ioamtrace_main_t * plugin_main = &ioamtrace_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 Trace */ +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 Trace */ +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-trace/jvpp_ioam_trace.h b/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.h new file mode 100644 index 00000000..1bb0ca68 --- /dev/null +++ b/plugins/ioam-plugin/ioam/lib-trace/jvpp_ioam_trace.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_trace_h__ +#define __included_jvpp_ioam_trace_h__ + +#include +#include +#include +#include +#include +#include + +/* 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; + +} ioamtrace_main_t; + +ioamtrace_main_t ioamtrace_main __attribute__((aligned (64))); + + +#endif /* __included_jvpp_ioam_trace_h__ */ diff --git a/plugins/ioam-plugin/ioam/lib-trace/trace.api b/plugins/ioam-plugin/ioam/lib-trace/trace.api index b5886b2a..016dd24c 100644 --- a/plugins/ioam-plugin/ioam/lib-trace/trace.api +++ b/plugins/ioam-plugin/ioam/lib-trace/trace.api @@ -28,8 +28,8 @@ define trace_profile_add { u32 context; u8 trace_type; u8 num_elts; + u8 trace_tsp; u32 node_id; - u32 trace_tsp; u32 app_data; }; diff --git a/plugins/ioam-plugin/ioam/lib-trace/trace_api.c b/plugins/ioam-plugin/ioam/lib-trace/trace_api.c index 1b8ad3cc..b98e65fb 100644 --- a/plugins/ioam-plugin/ioam/lib-trace/trace_api.c +++ b/plugins/ioam-plugin/ioam/lib-trace/trace_api.c @@ -112,7 +112,8 @@ static void vl_api_trace_profile_add_t_handler { rv = trace_profile_create (profile, mp->trace_type, mp->num_elts, - mp->trace_tsp, mp->node_id, mp->app_data); + mp->trace_tsp, ntohl (mp->node_id), + ntohl (mp->app_data)); if (rv != 0) goto ERROROUT; } @@ -186,7 +187,7 @@ trace_init (vlib_main_t * vm) bzero (sm, sizeof (trace_main)); (void) trace_util_init (); - name = format (0, "trace_%08x%c", api_version, 0); + name = format (0, "ioam_trace_%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 diff --git a/plugins/ioam-plugin/ioam/lib-trace/trace_test.c b/plugins/ioam-plugin/ioam/lib-trace/trace_test.c index dc3851be..8385582f 100644 --- a/plugins/ioam-plugin/ioam/lib-trace/trace_test.c +++ b/plugins/ioam-plugin/ioam/lib-trace/trace_test.c @@ -136,7 +136,7 @@ api_trace_profile_add (vat_main_t * vam) int rv = 0; u32 node_id = 0; u32 app_data = 0; - u32 trace_tsp = 0; + u8 trace_tsp = 0; f64 timeout; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) @@ -160,9 +160,9 @@ api_trace_profile_add (vat_main_t * vam) M (TRACE_PROFILE_ADD, trace_profile_add); mp->trace_type = trace_type; - mp->trace_tsp = ntohl (trace_tsp); - mp->node_id = ntohl (node_id); - mp->app_data = ntohl (app_data); + mp->trace_tsp = trace_tsp; + mp->node_id = htonl (node_id); + mp->app_data = htonl (app_data); mp->num_elts = num_elts; S; @@ -231,7 +231,7 @@ vat_plugin_register (vat_main_t * vam) sm->vat_main = vam; - name = format (0, "trace_%08x%c", api_version, 0); + name = format (0, "ioam_trace_%08x%c", api_version, 0); sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name); if (sm->msg_id_base != (u16) ~ 0) -- cgit 1.2.3-korg