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/*
* 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/api_errno.h>
#include "jvpp_common.h"
#ifndef JVPP_DEBUG
#define JVPP_DEBUG 0
#endif
#if JVPP_DEBUG == 1
#define DEBUG_LOG(...) clib_warning(__VA_ARGS__)
#else
#define DEBUG_LOG(...)
#endif
#define _(error,errorCode,msg) \
if (errorCode == code) \
message = msg; \
else
#define get_error_message(errno) \
int code = errno; \
foreach_vnet_api_error \
message = "Reason unknown";
/* shared jvpp main structure */
jvpp_main_t jvpp_main __attribute__((aligned (64)));
void call_on_error(const char* callName, int contextId, int retval,
jclass callbackClass, jobject callbackObject,
jclass callbackExceptionClass) {
DEBUG_LOG("\nCallOnError : callback=%s, retval=%d, context=%d\n", callName,
clib_net_to_host_u32(retval), clib_net_to_host_u32(context));
JNIEnv *env = jvpp_main.jenv;
if (!callbackClass) {
DEBUG_LOG("CallOnError : jm->callbackClass is null!\n");
return;
}
jmethodID excConstructor = (*env)->GetMethodID(env, callbackExceptionClass,
"<init>", "(Ljava/lang/String;Ljava/lang/String;II)V");
if (!excConstructor) {
DEBUG_LOG("CallOnError : excConstructor is null!\n");
return;
}
jmethodID callbackExcMethod = (*env)->GetMethodID(env, callbackClass,
"onError", "(Lio/fd/jvpp/VppCallbackException;)V");
if (!callbackExcMethod) {
DEBUG_LOG("CallOnError : callbackExcMethod is null!\n");
return;
}
char *message;
get_error_message(clib_net_to_host_u32(retval));
jobject excObject = (*env)->NewObject(env, callbackExceptionClass,
excConstructor, (*env)->NewStringUTF(env, callName),
(*env)->NewStringUTF(env, message),
clib_net_to_host_u32(contextId), clib_net_to_host_u32(retval));
if (!excObject) {
DEBUG_LOG("CallOnError : excObject is null!\n");
return;
}
(*env)->CallVoidMethod(env, callbackObject, callbackExcMethod, excObject);
DEBUG_LOG("CallOnError : Response sent\n");
}
#undef _
u32 get_message_id(JNIEnv *env, const char *key) {
uword *p = hash_get(jvpp_main.messages_hash, key);
if (!p) {
jclass exClass = (*env)->FindClass(env, "java/lang/IllegalStateException");
char *msgBuf = clib_mem_alloc(strlen(key) + 70);
strcpy(msgBuf, "API mismatch detected: ");
strcat(msgBuf, key);
strcat(msgBuf, " is missing in global name_crc hash table.");
DEBUG_LOG("%s", msgBuf);
DEBUG_LOG("Possible reasons:");
DEBUG_LOG("1) incompatible VPP version used");
DEBUG_LOG("2) message present in JSON file but not in global name_crc table");
(*env)->ThrowNew(env, exClass, msgBuf);
clib_mem_free(msgBuf);
return 0;
}
return (u32) p[0];
}
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