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/*
* Copyright (C) 2012 Tobias Brunner
* Copyright (C) 2012 Giuliano Grassi
* Copyright (C) 2012 Ralf Sager
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
/**
* @defgroup android_jni android_jni
* @{ @ingroup libandroidbridge
*/
#ifndef ANDROID_JNI_H_
#define ANDROID_JNI_H_
#include <jni.h>
#include <library.h>
#define JNI_PACKAGE org_strongswan_android_logic
#define JNI_PACKAGE_STRING "org/strongswan/android/logic"
#define JNI_METHOD_PP(pack, klass, name, ret, ...) \
ret Java_##pack##_##klass##_##name(JNIEnv *env, jobject this, ##__VA_ARGS__)
#define JNI_METHOD_P(pack, klass, name, ret, ...) \
JNI_METHOD_PP(pack, klass, name, ret, ##__VA_ARGS__)
#define JNI_METHOD(klass, name, ret, ...) \
JNI_METHOD_P(JNI_PACKAGE, klass, name, ret, ##__VA_ARGS__)
/**
* Java classes
* Initialized in JNI_OnLoad()
*/
extern jclass *android_charonvpnservice_class;
extern jclass *android_charonvpnservice_builder_class;
/**
* Attach the current thread to the JVM
*
* As local JNI references are not freed until the thread detaches
* androidjni_detach_thread() should be called as soon as possible.
* If it is not called a thread-local destructor ensures that the
* thread is at least detached as soon as it terminates.
*
* @param env JNIEnv
*/
void androidjni_attach_thread(JNIEnv **env);
/**
* Detach the current thread from the JVM
*
* Call this as soon as possible to ensure that local JNI references are freed.
*/
void androidjni_detach_thread();
/**
* Handle exceptions thrown by a JNI call
*
* @param env JNIEnv
* @return TRUE if an exception was thrown
*/
static inline bool androidjni_exception_occurred(JNIEnv *env)
{
if ((*env)->ExceptionOccurred(env))
{ /* clear any exception, otherwise the VM is terminated */
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
return TRUE;
}
return FALSE;
}
/**
* Convert a Java string to a C string. Memory is allocated.
*
* @param env JNIEnv
* @param jstr Java string
* @return native C string (allocated)
*/
static inline char *androidjni_convert_jstring(JNIEnv *env, jstring jstr)
{
char *str;
jsize len;
len = (*env)->GetStringUTFLength(env, jstr);
str = malloc(len + 1);
(*env)->GetStringUTFRegion(env, jstr, 0, len, str);
str[len] = '\0';
return str;
}
#endif /** ANDROID_JNI_H_ @}*/
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