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add array functions

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This commit is contained in:
Brenton Bostick 2023-01-31 18:32:19 -05:00
parent 2de4c95446
commit f51ce077a3
3 changed files with 160 additions and 134 deletions
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62
java/jni/ZT_jniutils.h
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@ -22,6 +22,8 @@
#include <jni.h>
#include <ZeroTierOne.h>
#include <limits> // for numeric_limits
#if defined(__ANDROID__)
#include <android/log.h>
@ -75,6 +77,8 @@
} while (false)
const jsize JSIZE_MAX = std::numeric_limits<jsize>::max();
jobject createResultObject(JNIEnv *env, ZT_ResultCode code);
jobject createVirtualNetworkStatus(JNIEnv *env, ZT_VirtualNetworkStatus status);
jobject createVirtualNetworkType(JNIEnv *env, ZT_VirtualNetworkType type);
@ -98,4 +102,62 @@ jobject newVirtualNetworkDNS(JNIEnv *env, const ZT_VirtualNetworkDNS &dns);
jobject newNodeStatus(JNIEnv *env, const ZT_NodeStatus &status);
jobjectArray newPeerArray(JNIEnv *env, const ZT_Peer *peers, size_t count);
jobjectArray newVirtualNetworkConfigArray(JNIEnv *env, const ZT_VirtualNetworkConfig *networks, size_t count);
jobjectArray newPeerPhysicalPathArray(JNIEnv *env, const ZT_PeerPhysicalPath *paths, size_t count);
jobjectArray newInetSocketAddressArray(JNIEnv *env, const sockaddr_storage *addresses, size_t count);
jobjectArray newVirtualNetworkRouteArray(JNIEnv *env, const ZT_VirtualNetworkRoute *routes, size_t count);
//
// log functions only for newArrayObject below
//
void newArrayObject_logCount(size_t count);
void newArrayObject_log(const char *msg);
//
// function template for creating array objects
//
template <typename T, jobject (*F)(JNIEnv *, const T &)>
jobjectArray newArrayObject(JNIEnv *env, const T *buffer, size_t count, jclass clazz) {
if (count > JSIZE_MAX) {
newArrayObject_logCount(count);
return NULL;
}
jsize jCount = static_cast<jsize>(count);
jobjectArray arrayObj = env->NewObjectArray(jCount, clazz, NULL);
if (env->ExceptionCheck() || arrayObj == NULL) {
newArrayObject_log("Error creating array object");
return NULL;
}
for (jsize i = 0; i < jCount; i++) {
jobject obj = F(env, buffer[i]);
if(env->ExceptionCheck() || obj == NULL) {
return NULL;
}
env->SetObjectArrayElement(arrayObj, i, obj);
if(env->ExceptionCheck()) {
newArrayObject_log("Error assigning object to array");
return NULL;
}
env->DeleteLocalRef(obj);
}
return arrayObj;
}
jbyteArray newByteArray(JNIEnv *env, const unsigned char *bytes, size_t count);
jbyteArray newByteArray(JNIEnv *env, size_t count);
#endif // ZT_jniutils_h_