lokinet/jni/lokinet_vpn.cpp

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#include "network_loki_lokinet_LokinetVPN.h"
#include "lokinet_jni_vpnio.hpp"
#include "lokinet_jni_common.hpp"
#include <net/ip.hpp>
extern "C"
{
JNIEXPORT jint JNICALL
Java_network_loki_lokinet_LokinetVPN_PacketSize(JNIEnv *, jclass)
{
return llarp::net::IPPacket::MaxSize;
}
JNIEXPORT jobject JNICALL
Java_network_loki_lokinet_LokinetVPN_Alloc(JNIEnv *env, jclass)
{
lokinet_jni_vpnio *vpn = new lokinet_jni_vpnio();
return env->NewDirectByteBuffer(vpn, sizeof(lokinet_jni_vpnio));
}
JNIEXPORT void JNICALL
Java_network_loki_lokinet_LokinetVPN_Free(JNIEnv *env, jclass, jobject buf)
{
lokinet_jni_vpnio *vpn = FromBuffer< lokinet_jni_vpnio >(env, buf);
if(vpn == nullptr)
return;
delete vpn;
}
JNIEXPORT void JNICALL
Java_network_loki_lokinet_LokinetVPN_Stop(JNIEnv *env, jobject self)
{
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lokinet_jni_vpnio *vpn = GetImpl< lokinet_jni_vpnio >(env, self);
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if(vpn)
{
vpn->Close();
}
}
JNIEXPORT jint JNICALL
Java_network_loki_lokinet_LokinetVPN_ReadPkt(JNIEnv *env, jobject self,
jobject pkt)
{
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lokinet_jni_vpnio *vpn = GetImpl< lokinet_jni_vpnio >(env, self);
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if(vpn == nullptr)
return -1;
void *pktbuf = env->GetDirectBufferAddress(pkt);
auto pktlen = env->GetDirectBufferCapacity(pkt);
if(pktbuf == nullptr)
return -1;
return vpn->ReadPacket(pktbuf, pktlen);
}
JNIEXPORT jboolean JNICALL
Java_network_loki_lokinet_LokinetVPN_WritePkt(JNIEnv *env, jobject self,
jobject pkt)
{
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lokinet_jni_vpnio *vpn = GetImpl< lokinet_jni_vpnio >(env, self);
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if(vpn == nullptr)
return false;
void *pktbuf = env->GetDirectBufferAddress(pkt);
auto pktlen = env->GetDirectBufferCapacity(pkt);
if(pktbuf == nullptr)
return false;
return vpn->WritePacket(pktbuf, pktlen);
}
JNIEXPORT void JNICALL
Java_network_loki_lokinet_LokinetVPN_SetInfo(JNIEnv *env, jobject self,
jobject info)
{
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lokinet_jni_vpnio *vpn = GetImpl< lokinet_jni_vpnio >(env, self);
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if(vpn == nullptr)
return;
VisitObjectMemberStringAsStringView< bool >(
env, info, "ifaddr", [vpn](llarp::string_view val) -> bool {
vpn->SetIfAddr(val);
return true;
});
VisitObjectMemberStringAsStringView< bool >(
env, info, "ifname", [vpn](llarp::string_view val) -> bool {
vpn->SetIfName(val);
return true;
});
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vpn->info.netmask = GetObjectMemberAsInt< uint8_t >(env, info, "netmask");
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}
}