ZeroTierOne/java/jni/ZT1_jniutils.cpp

875 lines
24 KiB
C++

#include "ZT1_jniutils.h"
#include "ZT1_jnicache.h"
#include <string>
#include <assert.h>
extern JniCache cache;
#ifdef __cplusplus
extern "C" {
#endif
jobject createResultObject(JNIEnv *env, ZT1_ResultCode code)
{
jclass resultClass = NULL;
jobject resultObject = NULL;
resultClass = cache.findClass("com/zerotierone/sdk/ResultCode");
if(resultClass == NULL)
{
return NULL; // exception thrown
}
std::string fieldName;
switch(code)
{
case ZT1_RESULT_OK:
fieldName = "RESULT_OK";
break;
case ZT1_RESULT_FATAL_ERROR_OUT_OF_MEMORY:
fieldName = "RESULT_FATAL_ERROR_OUT_OF_MEMORY";
break;
case ZT1_RESULT_FATAL_ERROR_DATA_STORE_FAILED:
fieldName = "RESULT_FATAL_ERROR_DATA_STORE_FAILED";
break;
case ZT1_RESULT_ERROR_NETWORK_NOT_FOUND:
fieldName = "RESULT_ERROR_NETWORK_NOT_FOUND";
break;
case ZT1_RESULT_FATAL_ERROR_INTERNAL:
default:
fieldName = "RESULT_FATAL_ERROR_INTERNAL";
break;
}
jfieldID enumField = cache.findStaticField(resultClass, fieldName.c_str(), "Lcom/zerotierone/sdk/ResultCode;");
resultObject = env->GetStaticObjectField(resultClass, enumField);
return resultObject;
}
jobject createVirtualNetworkStatus(JNIEnv *env, ZT1_VirtualNetworkStatus status)
{
jobject statusObject = NULL;
jclass statusClass = cache.findClass("com/zerotierone/sdk/VirtualNetworkStatus");
if(statusClass == NULL)
{
return NULL; // exception thrown
}
std::string fieldName;
switch(status)
{
case ZT1_NETWORK_STATUS_REQUESTING_CONFIGURATION:
fieldName = "NETWORK_STATUS_REQUESTING_CONFIGURATION";
break;
case ZT1_NETWORK_STATUS_OK:
fieldName = "NETWORK_STATUS_OK";
break;
case ZT1_NETWORK_STATUS_ACCESS_DENIED:
fieldName = "NETWORK_STATUS_ACCESS_DENIED";
break;
case ZT1_NETWORK_STATUS_NOT_FOUND:
fieldName = "NETWORK_STATUS_NOT_FOUND";
break;
case ZT1_NETWORK_STATUS_PORT_ERROR:
fieldName = "NETWORK_STATUS_PORT_ERROR";
break;
case ZT1_NETWORK_STATUS_CLIENT_TOO_OLD:
fieldName = "NETWORK_STATUS_CLIENT_TOO_OLD";
break;
}
jfieldID enumField = cache.findStaticField(statusClass, fieldName.c_str(), "Lcom/zerotierone/sdk/VirtualNetworkStatus;");
statusObject = env->GetStaticObjectField(statusClass, enumField);
return statusObject;
}
jobject createEvent(JNIEnv *env, ZT1_Event event)
{
jclass eventClass = NULL;
jobject eventObject = NULL;
eventClass = cache.findClass("com/zerotierone/sdk/Event");
if(eventClass == NULL)
{
return NULL;
}
std::string fieldName;
switch(event)
{
case ZT1_EVENT_UP:
fieldName = "EVENT_UP";
break;
case ZT1_EVENT_OFFLINE:
fieldName = "EVENT_OFFLINE";
break;
case ZT1_EVENT_ONLINE:
fieldName = "EVENT_ONLINE";
break;
case ZT1_EVENT_DOWN:
fieldName = "EVENT_DOWN";
break;
case ZT1_EVENT_FATAL_ERROR_IDENTITY_COLLISION:
fieldName = "EVENT_FATAL_ERROR_IDENTITY_COLLISION";
break;
case ZT1_EVENT_SAW_MORE_RECENT_VERSION:
fieldName = "EVENT_SAW_MORE_RECENT_VERSION";
break;
case ZT1_EVENT_AUTHENTICATION_FAILURE:
fieldName = "EVENT_AUTHENTICATION_FAILURE";
break;
case ZT1_EVENT_INVALID_PACKET:
fieldName = "EVENT_INVALID_PACKET";
break;
case ZT1_EVENT_TRACE:
fieldName = "EVENT_TRACE";
break;
}
jfieldID enumField = cache.findStaticField(eventClass, fieldName.c_str(), "Lcom/zerotierone/sdk/Event;");
eventObject = env->GetStaticObjectField(eventClass, enumField);
return eventObject;
}
jobject createPeerRole(JNIEnv *env, ZT1_PeerRole role)
{
jclass peerRoleClass = NULL;
jobject peerRoleObject = NULL;
peerRoleClass = cache.findClass("com/zerotierone/sdk/PeerRole");
if(peerRoleClass == NULL)
{
return NULL;
}
std::string fieldName;
switch(role)
{
case ZT1_PEER_ROLE_LEAF:
fieldName = "PEER_ROLE_LEAF";
break;
case ZT1_PEER_ROLE_HUB:
fieldName = "PEER_ROLE_HUB";
break;
case ZT1_PEER_ROLE_SUPERNODE:
fieldName = "PEER_ROLE_SUPERNODE";
break;
}
jfieldID enumField = cache.findStaticField(peerRoleClass, fieldName.c_str(), "Lcom/zerotierone/sdk/PeerRole;");
peerRoleObject = env->GetStaticObjectField(peerRoleClass, enumField);
return peerRoleObject;
}
jobject createVirtualNetworkType(JNIEnv *env, ZT1_VirtualNetworkType type)
{
jclass vntypeClass = NULL;
jobject vntypeObject = NULL;
vntypeClass = cache.findClass("com/zerotierone/sdk/VirtualNetworkType");
if(vntypeClass == NULL)
{
return NULL;
}
std::string fieldName;
switch(type)
{
case ZT1_NETWORK_TYPE_PRIVATE:
fieldName = "NETWORK_TYPE_PRIVATE";
break;
case ZT1_NETWORK_TYPE_PUBLIC:
fieldName = "NETWORK_TYPE_PUBLIC";
break;
}
jfieldID enumField = cache.findStaticField(vntypeClass, fieldName.c_str(), "Lcom/zerotierone/sdk/VirtualNetworkType;");
vntypeObject = env->GetStaticObjectField(vntypeClass, enumField);
return vntypeObject;
}
jobject createVirtualNetworkConfigOperation(JNIEnv *env, ZT1_VirtualNetworkConfigOperation op)
{
jclass vnetConfigOpClass = NULL;
jobject vnetConfigOpObject = NULL;
vnetConfigOpClass = cache.findClass("com/zerotierone/sdk/VirtualNetworkConfigOperation");
if(vnetConfigOpClass == NULL)
{
return NULL;
}
std::string fieldName;
switch(op)
{
case ZT1_VIRTUAL_NETWORK_CONFIG_OPERATION_UP:
fieldName = "VIRTUAL_NETWORK_CONFIG_OPERATION_UP";
break;
case ZT1_VIRTUAL_NETWORK_CONFIG_OPERATION_CONFIG_UPDATE:
fieldName = "VIRTUAL_NETWORK_CONFIG_OPERATION_CONFIG_UPDATE";
break;
case ZT1_VIRTUAL_NETWORK_CONFIG_OPERATION_DOWN:
fieldName = "VIRTUAL_NETWORK_CONFIG_OPERATION_DOWN";
break;
case ZT1_VIRTUAL_NETWORK_CONFIG_OPERATION_DESTROY:
fieldName = "VIRTUAL_NETWORK_CONFIG_OPERATION_DESTROY";
break;
}
jfieldID enumField = cache.findStaticField(vnetConfigOpClass, fieldName.c_str(), "Lcom/zerotierone/sdk/VirtualNetworkConfigOperation;");
vnetConfigOpObject = env->GetStaticObjectField(vnetConfigOpClass, enumField);
return vnetConfigOpObject;
}
jobject newArrayList(JNIEnv *env)
{
jclass arrayListClass = NULL;
jmethodID arrayList_constructor = NULL;
arrayListClass = cache.findClass("java/util/ArrayList");
if(arrayListClass == NULL)
{
return NULL;
}
arrayList_constructor = cache.findMethod(
arrayListClass, "<init>", "()V");
if(arrayList_constructor == NULL)
{
return NULL;
}
jobject arrayListObj = env->NewObject(arrayListClass, arrayList_constructor);
return arrayListObj;
}
bool appendItemToArrayList(JNIEnv *env, jobject array, jobject object)
{
assert(array != NULL);
assert(object != NULL);
jclass arrayListClass = NULL;
jmethodID arrayList_add = NULL;
arrayListClass = cache.findClass("java/util/ArrayList");
if(arrayListClass == NULL)
{
return NULL;
}
arrayList_add = cache.findMethod(arrayListClass, "add", "(Ljava.lang.Object;)Z");
if(arrayList_add == NULL)
{
return false;
}
return env->CallBooleanMethod(array, arrayList_add, object);
}
jobject newInetAddress(JNIEnv *env, const sockaddr_storage &addr)
{
jclass inetAddressClass = NULL;
jmethodID inetAddress_getByAddress = NULL;
inetAddressClass = cache.findClass("java/net/InetAddress");
if(inetAddressClass == NULL)
{
return NULL;
}
inetAddress_getByAddress = cache.findStaticMethod(
inetAddressClass, "getByAddress", "([B)Ljava/net/InetAddress;");
if(inetAddress_getByAddress == NULL)
{
return NULL;
}
jobject inetAddressObj = NULL;
switch(addr.ss_family)
{
case AF_INET6:
{
sockaddr_in6 *ipv6 = (sockaddr_in6*)&addr;
jbyteArray buff = env->NewByteArray(16);
if(buff == NULL)
{
return NULL;
}
env->SetByteArrayRegion(buff, 0, 16, (jbyte*)ipv6->sin6_addr.s6_addr);
inetAddressObj = env->CallStaticObjectMethod(
inetAddressClass, inetAddress_getByAddress, buff);
}
break;
case AF_INET:
{
sockaddr_in *ipv4 = (sockaddr_in*)&addr;
jbyteArray buff = env->NewByteArray(4);
if(buff == NULL)
{
return NULL;
}
env->SetByteArrayRegion(buff, 0, 4, (jbyte*)&ipv4->sin_addr);
inetAddressObj = env->CallStaticObjectMethod(
inetAddressClass, inetAddress_getByAddress, buff);
}
break;
}
return inetAddressObj;
}
jobject newInetSocketAddress(JNIEnv *env, const sockaddr_storage &addr)
{
jclass inetSocketAddressClass = NULL;
jmethodID inetSocketAddress_constructor = NULL;
inetSocketAddressClass = cache.findClass("java/net/InetSocketAddress");
if(inetSocketAddressClass == NULL)
{
return NULL;
}
jobject inetAddressObject = newInetAddress(env, addr);
if(inetAddressObject == NULL)
{
return NULL;
}
inetSocketAddress_constructor = cache.findMethod(
inetSocketAddressClass, "<init>", "(Ljava/net/InetAddress;I)V");
if(inetSocketAddress_constructor == NULL)
{
return NULL;
}
int port = 0;
switch(addr.ss_family)
{
case AF_INET6:
{
sockaddr_in6 *ipv6 = (sockaddr_in6*)&addr;
port = ntohs(ipv6->sin6_port);
}
break;
case AF_INET:
{
sockaddr_in *ipv4 = (sockaddr_in*)&addr;
port = ntohs(ipv4->sin_port);
}
break;
};
jobject inetSocketAddressObject = env->NewObject(inetSocketAddressClass, inetSocketAddress_constructor, inetAddressObject, port);
return inetSocketAddressObject;
}
jobject newMulticastGroup(JNIEnv *env, const ZT1_MulticastGroup &mc)
{
jclass multicastGroupClass = NULL;
jmethodID multicastGroup_constructor = NULL;
jfieldID macField = NULL;
jfieldID adiField = NULL;
multicastGroupClass = cache.findClass("com/zerotierone/sdk/MulticastGroup");
if(multicastGroupClass == NULL)
{
return NULL;
}
multicastGroup_constructor = cache.findMethod(
multicastGroupClass, "<init>", "()V");
if(multicastGroup_constructor == NULL)
{
return NULL;
}
jobject multicastGroupObj = env->NewObject(multicastGroupClass, multicastGroup_constructor);
if(multicastGroupObj == NULL)
{
return NULL;
}
if(macField == NULL)
{
macField = cache.findField(multicastGroupClass, "mac", "J");
if(macField == NULL)
{
return NULL;
}
}
if(adiField == NULL)
{
adiField = cache.findField(multicastGroupClass, "adi", "J");
if(adiField == NULL)
{
return NULL;
}
}
env->SetLongField(multicastGroupObj, macField, mc.mac);
env->SetLongField(multicastGroupObj, adiField, mc.adi);
return multicastGroupObj;
}
jobject newPeerPhysicalPath(JNIEnv *env, const ZT1_PeerPhysicalPath &ppp)
{
jclass pppClass = NULL;
jfieldID addressField = NULL;
jfieldID lastSendField = NULL;
jfieldID lastReceiveField = NULL;
jfieldID fixedField = NULL;
jfieldID activeField = NULL;
jfieldID preferredField = NULL;
jmethodID ppp_constructor = NULL;
pppClass = cache.findClass("com/zerotierone/sdk/PeerPhysicalPath");
if(pppClass == NULL)
{
return NULL;
}
addressField = cache.findField(pppClass, "address", "Ljava/net/InetAddress;");
if(addressField == NULL)
{
return NULL;
}
lastSendField = cache.findField(pppClass, "lastSend", "J");
if(lastSendField == NULL)
{
return NULL;
}
lastReceiveField = cache.findField(pppClass, "lastReceive", "J");
if(lastReceiveField == NULL)
{
return NULL;
}
fixedField = cache.findField(pppClass, "fixed", "Z");
if(fixedField == NULL)
{
return NULL;
}
activeField = cache.findField(pppClass, "active", "Z");
if(activeField == NULL)
{
return NULL;
}
preferredField = cache.findField(pppClass, "preferred", "Z");
if(preferredField == NULL)
{
return NULL;
}
ppp_constructor = cache.findMethod(pppClass, "<init>", "()V");
if(ppp_constructor == NULL)
{
return NULL;
}
jobject pppObject = env->NewObject(pppClass, ppp_constructor);
if(pppObject == NULL)
{
return NULL; // out of memory
}
jobject addressObject = newInetAddress(env, ppp.address);
env->SetObjectField(pppClass, addressField, addressObject);
env->SetLongField(pppClass, lastSendField, ppp.lastSend);
env->SetLongField(pppClass, lastReceiveField, ppp.lastReceive);
env->SetBooleanField(pppClass, fixedField, ppp.fixed);
env->SetBooleanField(pppClass, activeField, ppp.active);
env->SetBooleanField(pppClass, preferredField, ppp.preferred);
return pppObject;
}
jobject newPeer(JNIEnv *env, const ZT1_Peer &peer)
{
jclass peerClass = NULL;
jfieldID addressField = NULL;
jfieldID lastUnicastFrameField = NULL;
jfieldID lastMulticastFrameField = NULL;
jfieldID versionMajorField = NULL;
jfieldID versionMinorField = NULL;
jfieldID versionRevField = NULL;
jfieldID latencyField = NULL;
jfieldID roleField = NULL;
jfieldID pathsField = NULL;
jmethodID peer_constructor = NULL;
peerClass = cache.findClass("com/zerotierone/sdk/Peer");
if(peerClass == NULL)
{
return NULL;
}
addressField = cache.findField(peerClass, "address", "J");
if(addressField == NULL)
{
return NULL;
}
lastUnicastFrameField = cache.findField(peerClass, "lastUnicastFrame", "J");
if(lastUnicastFrameField == NULL)
{
return NULL;
}
lastMulticastFrameField = cache.findField(peerClass, "lastMulticastFrame", "J");
if(lastMulticastFrameField == NULL)
{
return NULL;
}
versionMajorField = cache.findField(peerClass, "versionMajor", "I");
if(versionMajorField == NULL)
{
return NULL;
}
versionMinorField = cache.findField(peerClass, "versionMinor", "I");
if(versionMinorField == NULL)
{
return NULL;
}
versionRevField = cache.findField(peerClass, "versionRev", "I");
if(versionRevField == NULL)
{
return NULL;
}
latencyField = cache.findField(peerClass, "latency", "I");
if(latencyField == NULL)
{
return NULL;
}
roleField = cache.findField(peerClass, "role", "Lcom/zerotierone/sdk/PeerRole;");
if(roleField == NULL)
{
return NULL;
}
pathsField = cache.findField(peerClass, "paths", "Ljava.util.ArrayList;");
if(pathsField == NULL)
{
return NULL;
}
peer_constructor = cache.findMethod(peerClass, "<init>", "()V");
if(peer_constructor == NULL)
{
return NULL;
}
jobject peerObject = env->NewObject(peerClass, peer_constructor);
if(peerObject == NULL)
{
return NULL; // out of memory
}
env->SetLongField(peerClass, addressField, (jlong)peer.address);
env->SetLongField(peerClass, lastUnicastFrameField, (jlong)peer.lastUnicastFrame);
env->SetLongField(peerClass, lastMulticastFrameField, (jlong)peer.lastMulticastFrame);
env->SetIntField(peerClass, versionMajorField, peer.versionMajor);
env->SetIntField(peerClass, versionMinorField, peer.versionMinor);
env->SetIntField(peerClass, versionRevField, peer.versionRev);
env->SetIntField(peerClass, latencyField, peer.latency);
env->SetObjectField(peerClass, roleField, createPeerRole(env, peer.role));
jobject arrayObject = newArrayList(env);
for(unsigned int i = 0; i < peer.pathCount; ++i)
{
jobject path = newPeerPhysicalPath(env, peer.paths[i]);
appendItemToArrayList(env, arrayObject, path);
}
env->SetObjectField(peerClass, pathsField, arrayObject);
return peerObject;
}
jobject newNetworkConfig(JNIEnv *env, const ZT1_VirtualNetworkConfig &vnetConfig)
{
jclass vnetConfigClass = NULL;
jmethodID vnetConfig_constructor = NULL;
jfieldID nwidField = NULL;
jfieldID macField = NULL;
jfieldID nameField = NULL;
jfieldID statusField = NULL;
jfieldID typeField = NULL;
jfieldID mtuField = NULL;
jfieldID dhcpField = NULL;
jfieldID bridgeField = NULL;
jfieldID broadcastEnabledField = NULL;
jfieldID portErrorField = NULL;
jfieldID enabledField = NULL;
jfieldID netconfRevisionField = NULL;
jfieldID multicastSubscriptionsField = NULL;
jfieldID assignedAddressesField = NULL;
vnetConfigClass = cache.findClass("com/zerotierone/sdk/VirtualNetworkConfig");
if(vnetConfigClass == NULL)
{
LOGE("Couldn't find com.zerotierone.sdk.VirtualNetworkConfig");
return NULL;
}
vnetConfig_constructor = cache.findMethod(
vnetConfigClass, "<init>", "()V");
if(vnetConfig_constructor == NULL)
{
LOGE("Couldn't find VirtualNetworkConfig Constructor");
return NULL;
}
jobject vnetConfigObj = env->NewObject(vnetConfigClass, vnetConfig_constructor);
if(vnetConfigObj == NULL)
{
LOGE("Error creating new VirtualNetworkConfig object");
return NULL;
}
nwidField = cache.findField(vnetConfigClass, "nwid", "J");
if(nwidField == NULL)
{
LOGE("Error getting nwid field");
return NULL;
}
macField = cache.findField(vnetConfigClass, "mac", "J");
if(macField == NULL)
{
LOGE("Error getting mac field");
return NULL;
}
nameField = cache.findField(vnetConfigClass, "name", "Ljava/lang/String;");
if(nameField == NULL)
{
LOGE("Error getting name field");
return NULL;
}
statusField = cache.findField(vnetConfigClass, "status", "Lcom/zerotierone/sdk/VirtualNetworkStatus;");
if(statusField == NULL)
{
LOGE("Error getting status field");
return NULL;
}
typeField = cache.findField(vnetConfigClass, "type", "Lcom/zerotierone/sdk/VirtualNetworkType;");
if(typeField == NULL)
{
LOGE("Error getting type field");
return NULL;
}
mtuField = cache.findField(vnetConfigClass, "mtu", "I");
if(mtuField == NULL)
{
LOGE("Error getting mtu field");
return NULL;
}
dhcpField = cache.findField(vnetConfigClass, "dhcp", "Z");
if(dhcpField == NULL)
{
LOGE("Error getting dhcp field");
return NULL;
}
bridgeField = cache.findField(vnetConfigClass, "bridge", "Z");
if(bridgeField == NULL)
{
LOGE("Error getting bridge field");
return NULL;
}
broadcastEnabledField = cache.findField(vnetConfigClass, "broadcastEnabled", "Z");
if(broadcastEnabledField == NULL)
{
LOGE("Error getting broadcastEnabled field");
return NULL;
}
portErrorField = cache.findField(vnetConfigClass, "portError", "I");
if(portErrorField == NULL)
{
LOGE("Error getting portError field");
return NULL;
}
enabledField = cache.findField(vnetConfigClass, "enabled", "Z");
if(enabledField == NULL)
{
LOGE("Error getting enabled field");
return NULL;
}
netconfRevisionField = cache.findField(vnetConfigClass, "netconfRevision", "J");
if(netconfRevisionField == NULL)
{
LOGE("Error getting netconfRevision field");
return NULL;
}
multicastSubscriptionsField = cache.findField(vnetConfigClass, "multicastSubscriptions", "Ljava/util/ArrayList;");
if(multicastSubscriptionsField == NULL)
{
LOGE("Error getting multicastSubscriptions field");
return NULL;
}
assignedAddressesField = cache.findField(vnetConfigClass, "assignedAddresses", "Ljava/util/ArrayList;");
if(assignedAddressesField == NULL)
{
LOGE("Error getting assignedAddresses field");
return NULL;
}
env->SetLongField(vnetConfigObj, nwidField, vnetConfig.nwid);
env->SetLongField(vnetConfigObj, macField, vnetConfig.mac);
jstring nameStr = env->NewStringUTF(vnetConfig.name);
if(nameStr == NULL)
{
return NULL; // out of memory
}
env->SetObjectField(vnetConfigObj, nameField, nameStr);
jobject statusObject = createVirtualNetworkStatus(env, vnetConfig.status);
if(statusObject == NULL)
{
return NULL;
}
env->SetObjectField(vnetConfigObj, statusField, statusObject);
jobject typeObject = createVirtualNetworkType(env, vnetConfig.type);
if(typeObject == NULL)
{
return NULL;
}
env->SetObjectField(vnetConfigObj, typeField, typeObject);
env->SetIntField(vnetConfigObj, mtuField, vnetConfig.mtu);
env->SetBooleanField(vnetConfigObj, dhcpField, vnetConfig.dhcp);
env->SetBooleanField(vnetConfigObj, bridgeField, vnetConfig.bridge);
env->SetBooleanField(vnetConfigObj, broadcastEnabledField, vnetConfig.broadcastEnabled);
env->SetIntField(vnetConfigObj, portErrorField, vnetConfig.portError);
jobject mcastSubsArrayObj = newArrayList(env);
for(unsigned int i = 0; i < vnetConfig.multicastSubscriptionCount; ++i)
{
jobject mcastObj = newMulticastGroup(env, vnetConfig.multicastSubscriptions[i]);
appendItemToArrayList(env, mcastSubsArrayObj, mcastObj);
}
env->SetObjectField(vnetConfigObj, multicastSubscriptionsField, mcastSubsArrayObj);
jobject assignedAddrArrayObj = newArrayList(env);
for(unsigned int i = 0; i < vnetConfig.assignedAddressCount; ++i)
{
jobject inetAddrObj = newInetAddress(env, vnetConfig.assignedAddresses[i]);
appendItemToArrayList(env, assignedAddrArrayObj, inetAddrObj);
}
env->SetObjectField(vnetConfigObj, assignedAddressesField, assignedAddrArrayObj);
return vnetConfigObj;
}
jobject newVersion(JNIEnv *env, int major, int minor, int rev, long featureFlags)
{
// create a com.zerotierone.sdk.Version object
jclass versionClass = NULL;
jmethodID versionConstructor = NULL;
versionClass = cache.findClass("com/zerotierone/sdk/Version");
if(versionClass == NULL)
{
return NULL;
}
versionConstructor = cache.findMethod(
versionClass, "<init>", "()V");
if(versionConstructor == NULL)
{
return NULL;
}
jobject versionObj = env->NewObject(versionClass, versionConstructor);
if(versionObj == NULL)
{
return NULL;
}
// copy data to Version object
jfieldID majorField = NULL;
jfieldID minorField = NULL;
jfieldID revisionField = NULL;
jfieldID featureFlagsField = NULL;
majorField = cache.findField(versionClass, "major", "I");
if(majorField == NULL)
{
return NULL;
}
minorField = cache.findField(versionClass, "minor", "I");
if(minorField == NULL)
{
return NULL;
}
revisionField = cache.findField(versionClass, "revision", "I");
if(revisionField == NULL)
{
return NULL;
}
featureFlagsField = cache.findField(versionClass, "featureFlags", "J");
if(featureFlagsField == NULL)
{
return NULL;
}
env->SetIntField(versionObj, majorField, (jint)major);
env->SetIntField(versionObj, minorField, (jint)minor);
env->SetIntField(versionObj, revisionField, (jint)rev);
env->SetLongField(versionObj, featureFlagsField, (jlong)featureFlags);
return versionObj;
}
#ifdef __cplusplus
}
#endif