diff options
Diffstat (limited to 'vpp-api/java/jvpp/jvpp.c')
| -rw-r--r-- | vpp-api/java/jvpp/jvpp.c | 314 |
1 files changed, 0 insertions, 314 deletions
diff --git a/vpp-api/java/jvpp/jvpp.c b/vpp-api/java/jvpp/jvpp.c deleted file mode 100644 index 37aef8032cd..00000000000 --- a/vpp-api/java/jvpp/jvpp.c +++ /dev/null @@ -1,314 +0,0 @@ -/* - * 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. - */ -#define _GNU_SOURCE /* for strcasestr(3) */ -#include <vnet/vnet.h> - -#define vl_api_version(n,v) static u32 vpe_api_version = (v); -#include <vpp-api/vpe.api.h> -#undef vl_api_version - -#include <jni.h> -#include <jvpp/jvpp.h> -#include <jvpp/org_openvpp_jvpp_VppJNIConnection.h> -#include <jvpp/org_openvpp_jvpp_JVppImpl.h> - -#include <vpp-api/vpe_msg_enum.h> -#define vl_typedefs /* define message structures */ -#include <vpp-api/vpe_all_api_h.h> -#undef vl_typedefs - -#define vl_endianfun -#include <vpp-api/vpe_all_api_h.h> -#undef vl_endianfun - -/* instantiate all the print functions we know about */ -#define vl_print(handle, ...) -#define vl_printfun -#include <vpp-api/vpe_all_api_h.h> -#undef vl_printfun - -#ifndef VPPJNI_DEBUG -#define VPPJNI_DEBUG 0 -#endif - -#if VPPJNI_DEBUG == 1 - #define DEBUG_LOG(...) clib_warning(__VA_ARGS__) -#else - #define DEBUG_LOG(...) -#endif - -#include "gen/target/jvpp_gen.h" - -static int connect_to_vpe(char *name); - -/* - * The Java runtime isn't compile w/ -fstack-protector, - * so we have to supply missing external references for the - * regular vpp libraries. Weak reference in case folks get religion - * at a later date... - */ -void __stack_chk_guard (void) __attribute__((weak)); -void __stack_chk_guard (void) { } - -void vl_client_add_api_signatures (vl_api_memclnt_create_t *mp) -{ - /* - * Send the main API signature in slot 0. This bit of code must - * match the checks in ../vpe/api/api.c: vl_msg_api_version_check(). - */ - mp->api_versions[0] = clib_host_to_net_u32 (vpe_api_version); -} - -/* cleanup handler for RX thread */ -static void cleanup_rx_thread(void *arg) -{ - vppjni_main_t * jm = &vppjni_main; - - vppjni_lock (jm, 99); - - int getEnvStat = (*jm->jvm)->GetEnv(jm->jvm, (void **)&(jm->jenv), JNI_VERSION_1_8); - if (getEnvStat == JNI_EVERSION) { - clib_warning ("Unsupported JNI version\n"); - jm->retval = VNET_API_ERROR_UNSUPPORTED_JNI_VERSION; - goto out; - } else if (getEnvStat != JNI_EDETACHED) { - (*jm->jvm)->DetachCurrentThread(jm->jvm); - } -out: - vppjni_unlock (jm); -} - -JNIEXPORT jint JNICALL Java_org_openvpp_jvpp_VppJNIConnection_clientConnect - (JNIEnv *env, jclass obj, jstring clientName, jobject callback) -{ - int rv; - const char *client_name; - void vl_msg_reply_handler_hookup(void); - vppjni_main_t * jm = &vppjni_main; - - /* - * Bail out now if we're not running as root - */ - if (geteuid() != 0) - return VNET_API_ERROR_NOT_RUNNING_AS_ROOT; - - if (jm->is_connected) - return VNET_API_ERROR_ALREADY_CONNECTED; - - client_name = (*env)->GetStringUTFChars(env, clientName, 0); - if (!client_name) - return VNET_API_ERROR_INVALID_VALUE; - - rv = connect_to_vpe ((char *) client_name); - - if (rv < 0) - clib_warning ("connection failed, rv %d", rv); - - (*env)->ReleaseStringUTFChars (env, clientName, client_name); - - if (rv == 0) { - f64 timeout; - clib_time_t clib_time; - clib_time_init (&clib_time); - - /* vl_msg_reply_handler_hookup (); */ - jm->is_connected = 1; - - jm->callback = (*env)->NewGlobalRef(env, callback); - jm->callbackClass = (jclass)(*env)->NewGlobalRef(env, (*env)->GetObjectClass(env, callback)); - - { - // call control ping first to attach rx thread to java thread - vl_api_control_ping_t * mp; - M(CONTROL_PING, control_ping); - S; - - // wait for results: Current time + 10 seconds is the timeout - timeout = clib_time_now (&clib_time) + 10.0; - rv = VNET_API_ERROR_RESPONSE_NOT_READY; - while (clib_time_now (&clib_time) < timeout) { - if (jm->result_ready == 1) { - rv = (jm->retval); - break; - } - } - - if (rv != 0) { - clib_warning ("first control ping failed: %d", rv); - } - } - } - DEBUG_LOG ("clientConnect result: %d", rv); - return rv; -} - -JNIEXPORT void JNICALL Java_org_openvpp_jvpp_VppJNIConnection_clientDisconnect - (JNIEnv *env, jclass clazz) -{ - vppjni_main_t * jm = &vppjni_main; - jm->is_connected = 0; // TODO make thread safe - vl_client_disconnect_from_vlib(); -} - -/** -* Send error reply to the requestor -* const char* call pointer to the request name -* int context call context identifier -* int retval result of the operation -*/ -void CallOnError(const char* call, int context, int retval) -{ - DEBUG_LOG("\nCallOnError : callback=%s,retval=%d,context=%d\n",call,clib_net_to_host_u32(retval), clib_net_to_host_u32(context)); - vppjni_main_t * jm = &vppjni_main; - JNIEnv *env = jm->jenv; - if (!env) printf( "CallOnError : env is null!\n"); - if (!jm->callbackClass) { - DEBUG_LOG( "CallOnError : jm->callbackClass is null!\n"); - return; - } - - jmethodID excConstructor = (*env)->GetMethodID(env, callbackExceptionClass, "<init>", "(Ljava/lang/String;II)V"); - if (!excConstructor) { - DEBUG_LOG( "CallOnError : excConstructor is null!\n"); - return; - } - jmethodID callbackExcMethod = (*env)->GetMethodID(env, jm->callbackClass, "onError", "(Lorg/openvpp/jvpp/VppCallbackException;)V"); - if (!callbackExcMethod) { - DEBUG_LOG( "CallOnError : callbackExcMethod is null!\n"); - return; - } - - jobject excObject = (*env)->NewObject(env, callbackExceptionClass, excConstructor,(*env)->NewStringUTF(env, call), clib_net_to_host_u32(context), clib_net_to_host_u32(retval)); - if (!excObject) { - DEBUG_LOG( "CallOnError : excObject is null!\n"); - return; - } - - (*env)->CallVoidMethod(env, jm->callback, callbackExcMethod, excObject); - DEBUG_LOG( "CallOnError : Response sent\n"); -} - -// control ping needs to be very first thing called -// to attach rx thread to java thread -static void vl_api_control_ping_reply_t_handler -(vl_api_control_ping_reply_t * mp) -{ - vppjni_main_t * jm = &vppjni_main; - - char was_thread_connected = 0; - - // attach to java thread if not attached - int getEnvStat = (*jm->jvm)->GetEnv(jm->jvm, (void **)&(jm->jenv), JNI_VERSION_1_8); - if (getEnvStat == JNI_EDETACHED) { - if ((*jm->jvm)->AttachCurrentThread(jm->jvm, (void **)&(jm->jenv), NULL) != 0) { - clib_warning("Failed to attach thread\n"); - jm->retval = VNET_API_ERROR_FAILED_TO_ATTACH_TO_JAVA_THREAD; - goto out; - } - - // workaround as we can't use pthread_cleanup_push - pthread_key_create(&jm->cleanup_rx_thread_key, cleanup_rx_thread); - // destructor is only called if the value of key is non null - pthread_setspecific(jm->cleanup_rx_thread_key, (void *)1); - was_thread_connected = 1; - } else if (getEnvStat == JNI_EVERSION) { - clib_warning ("Unsupported JNI version\n"); - jm->retval = VNET_API_ERROR_UNSUPPORTED_JNI_VERSION; - goto out; - } - - if (was_thread_connected == 0) { - JNIEnv *env = jm->jenv; - - if (mp->retval<0){ - CallOnError("controlPing", mp->context, mp->retval); - } else { - jmethodID constructor = (*env)->GetMethodID(env, controlPingReplyClass, "<init>", "()V"); - jmethodID callbackMethod = (*env)->GetMethodID(env, jm->callbackClass, "onControlPingReply", "(Lorg/openvpp/jvpp/dto/ControlPingReply;)V"); - - jobject dto = (*env)->NewObject(env, controlPingReplyClass, constructor); - - jfieldID contextFieldId = (*env)->GetFieldID(env, controlPingReplyClass, "context", "I"); - (*env)->SetIntField(env, dto, contextFieldId, clib_net_to_host_u32(mp->context)); - - jfieldID clientIndexFieldId = (*env)->GetFieldID(env, controlPingReplyClass, "clientIndex", "I"); - (*env)->SetIntField(env, dto, clientIndexFieldId, clib_net_to_host_u32(mp->client_index)); - - jfieldID vpePidFieldId = (*env)->GetFieldID(env, controlPingReplyClass, "vpePid", "I"); - (*env)->SetIntField(env, dto, vpePidFieldId, clib_net_to_host_u32(mp->vpe_pid)); - - (*env)->CallVoidMethod(env, jm->callback, callbackMethod, dto); - } - } - - out: - jm->result_ready = 1; -} - -jint JNI_OnLoad(JavaVM *vm, void *reserved) { - vppjni_main_t * jm = &vppjni_main; - JNIEnv* env; - if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_8) != JNI_OK) { - return JNI_EVERSION; - } - - if (cache_class_references(env) != 0) { - return JNI_ERR; - } - - jm->jvm = vm; - return JNI_VERSION_1_8; -} - -void JNI_OnUnload(JavaVM *vm, void *reserved) { - vppjni_main_t * jm = &vppjni_main; - JNIEnv* env; - if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_8) != JNI_OK) { - return; - } - - // cleanup: - (*env)->DeleteGlobalRef(env, jm->callbackClass); - (*env)->DeleteGlobalRef(env, jm->callback); - - jm->callbackClass = NULL; - jm->callback = NULL; - jm->jenv = NULL; - jm->jvm = NULL; -} - -static int connect_to_vpe(char *name) -{ - vppjni_main_t * jm = &vppjni_main; - api_main_t * am = &api_main; - - if (vl_client_connect_to_vlib("/vpe-api", name, 32) < 0) - return -1; - - jm->my_client_index = am->my_client_index; - jm->vl_input_queue = am->shmem_hdr->vl_input_queue; - -#define _(N,n) \ - vl_msg_api_set_handlers(VL_API_##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_vpe_api_msg; -#undef _ - - return 0; -} |