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added implementation for processWirePacket

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Signed-off-by: Grant Limberg <glimberg@gmail.com>
This commit is contained in:
Grant Limberg 2015-04-22 20:21:12 -07:00
parent 9c038d3ecd
commit 3c499777c8
1 changed files with 111 additions and 0 deletions
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111
java/jni/com_zerotierone_sdk_Node.cpp
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@ -31,6 +31,7 @@
#include <map>
#include <assert.h>
#include <string.h>
#ifdef __cplusplus
extern "C" {
@ -371,6 +372,116 @@ JNIEXPORT jobject JNICALL Java_com_zerotierone_sdk_Node_processVirtualNetworkFra
return createResultObject(env, rc);
}
/*
* Class: com_zerotierone_sdk_Node
* Method: processWirePacket
* Signature: (JJLjava/net/InetAddress;I[B[J)Lcom/zerotierone/sdk/ResultCode;
*/
JNIEXPORT jobject JNICALL Java_com_zerotierone_sdk_Node_processWirePacket
(JNIEnv *env, jobject obj,
jlong id,
jlong in_now,
jobject in_remoteAddress,
jint in_linkDesparation,
jbyteArray in_packetData,
jlongArray out_nextBackgroundTaskDeadline)
{
uint64_t nodeId = (uint64_t) id;
ZT1_Node *node = findNode(nodeId);
if(node == NULL)
{
// cannot find valid node. We should never get here.
return createResultObject(env, ZT1_RESULT_FATAL_ERROR_INTERNAL);
}
unsigned int nbtd_len = env->GetArrayLength(out_nextBackgroundTaskDeadline);
if(nbtd_len < 1)
{
return createResultObject(env, ZT1_RESULT_FATAL_ERROR_INTERNAL);
}
uint64_t now = (uint64_t)in_now;
unsigned int linkDesparation = (unsigned int)in_linkDesparation;
// get the java.net.InetAddress class and getAddress() method
jclass inetAddressClass = env->FindClass("java/net/InetAddress");
if(inetAddressClass == NULL)
{
// can't find java.net.InetAddress
return createResultObject(env, ZT1_RESULT_FATAL_ERROR_INTERNAL);
}
jmethodID getAddressMethod = env->GetMethodID(
inetAddressClass, "getAddress", "()[B");
if(getAddressMethod == NULL)
{
// cant find InetAddress.getAddres()
return createResultObject(env, ZT1_RESULT_FATAL_ERROR_INTERNAL);
}
// Call InetAddress.getAddress()
jbyteArray addressArray = (jbyteArray)env->CallObjectMethod(in_remoteAddress, getAddressMethod);
if(addressArray == NULL)
{
// unable to call getAddress()
return createResultObject(env, ZT1_RESULT_FATAL_ERROR_INTERNAL);
}
unsigned int addrSize = env->GetArrayLength(addressArray);
// get the address bytes
jbyte *addr = env->GetByteArrayElements(addressArray, NULL);
sockaddr_storage remoteAddress = {};
if(addrSize == 16)
{
// IPV6 address
sockaddr_in6 ipv6 = {};
ipv6.sin6_family = AF_INET6;
memcpy(ipv6.sin6_addr.s6_addr, addr, 16);
memcpy(&remoteAddress, &ipv6, sizeof(sockaddr_in6));
}
else if(addrSize = 4)
{
// IPV4 address
sockaddr_in ipv4 = {};
ipv4.sin_family = AF_INET;
memcpy(&ipv4.sin_addr, addr, 4);
memcpy(&remoteAddress, &ipv4, sizeof(sockaddr_in));
}
else
{
// unknown address type
env->ReleaseByteArrayElements(addressArray, addr, 0);
return createResultObject(env, ZT1_RESULT_FATAL_ERROR_INTERNAL);
}
unsigned int packetLength = env->GetArrayLength(in_packetData);
jbyte *packetData = env->GetByteArrayElements(in_packetData, NULL);
uint64_t nextBackgroundTaskDeadline = 0;
ZT1_ResultCode rc = ZT1_Node_processWirePacket(
node,
now,
&remoteAddress,
linkDesparation,
packetData,
packetLength,
&nextBackgroundTaskDeadline);
jlong *outDeadline = env->GetLongArrayElements(out_nextBackgroundTaskDeadline, NULL);
outDeadline[0] = (jlong)nextBackgroundTaskDeadline;
env->ReleaseLongArrayElements(out_nextBackgroundTaskDeadline, outDeadline, 0);
env->ReleaseByteArrayElements(addressArray, addr, 0);
env->ReleaseByteArrayElements(in_packetData, packetData, 0);
return createResultObject(env, ZT1_RESULT_OK);
}
#ifdef __cplusplus
} // extern "C"