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LOTS more error checking and logging. 

Running into a wall attempting to add items to an ArrayList from the JNI side
pull/1/head
Grant Limberg 11 years ago
parent
09631ad382
commit
4c680e3126
2 changed files with 174 additions and 98 deletions
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  1. 267
      java/jni/ZT1_jniutils.cpp
  2. 5
      java/jni/com_zerotierone_sdk_Node.cpp

267
java/jni/ZT1_jniutils.cpp
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@ -178,7 +178,7 @@ jobject createVirtualNetworkType(JNIEnv *env, ZT1_VirtualNetworkType type)
jobject vntypeObject = NULL;
vntypeClass = cache.findClass("com/zerotier/sdk/VirtualNetworkType");
if(vntypeClass == NULL)
if(env->ExceptionCheck() || vntypeClass == NULL)
{
return NULL;
}
@ -205,7 +205,7 @@ jobject createVirtualNetworkConfigOperation(JNIEnv *env, ZT1_VirtualNetworkConfi
jobject vnetConfigOpObject = NULL;
vnetConfigOpClass = cache.findClass("com/zerotier/sdk/VirtualNetworkConfigOperation");
if(vnetConfigOpClass == NULL)
if(env->ExceptionCheck() || vnetConfigOpClass == NULL)
{
return NULL;
}
@ -234,65 +234,98 @@ jobject createVirtualNetworkConfigOperation(JNIEnv *env, ZT1_VirtualNetworkConfi
jobject newArrayList(JNIEnv *env)
{
LOGV("newArrayList");
jclass arrayListClass = NULL;
jmethodID arrayList_constructor = NULL;
arrayListClass = cache.findClass("java/util/ArrayList");
if(arrayListClass == NULL)
if(env->ExceptionCheck() || arrayListClass == NULL)
{
LOGE("Error looking up ArrayList class");
return NULL;
}
arrayList_constructor = cache.findMethod(
arrayListClass, "<init>", "()V");
if(arrayList_constructor == NULL)
if(env->ExceptionCheck() || arrayList_constructor == NULL)
{
LOGE("Couldn't find ArrayList constructor");
return NULL;
}
jobject arrayListObj = env->NewObject(arrayListClass, arrayList_constructor);
if(env->ExceptionCheck() || arrayListObj == NULL)
{
LOGE("Error creating ArrayList object");
return NULL;
}
return arrayListObj;
}
bool appendItemToArrayList(JNIEnv *env, jobject array, jobject object)
{
assert(array != NULL);
assert(object != NULL);
LOGV("appendItemToArrayList");
if(array == NULL) {
LOGE("Attempted to add object to a null array");
return false;
}
if(object == NULL ) {
LOGE("Attempted to add null object to array");
return false;
}
jclass arrayListClass = NULL;
jmethodID arrayList_add = NULL;
jmethodID arrayList_size = NULL;
arrayListClass = cache.findClass("java/util/ArrayList");
if(arrayListClass == NULL)
arrayListClass = env->GetObjectClass(array);
if(env->ExceptionCheck() || arrayListClass == NULL)
{
return NULL;
LOGE("Error finding ArrayList class");
return false;
}
arrayList_add = cache.findMethod(arrayListClass, "add", "(Ljava.lang.Object;)Z");
if(arrayList_add == NULL)
arrayList_add = cache.findMethod(arrayListClass, "add", "(Ljava/lang/Object;)Z");
if(env->ExceptionCheck() || arrayList_add == NULL)
{
LOGE("Error finding ArrayList.add()");
return false;
}
return env->CallBooleanMethod(array, arrayList_add, object);
jint size = env->CallIntMethod(array, arrayList_size);
LOGV("Array List Size: %d", size);
jboolean success = env->CallBooleanMethod(array, arrayList_add, object);
if(env->ExceptionCheck())
{
LOGE("Exception calling arrayList_add");
return false;
}
return (success == JNI_TRUE);
}
jobject newInetAddress(JNIEnv *env, const sockaddr_storage &addr)
{
LOGV("newInetAddress");
jclass inetAddressClass = NULL;
jmethodID inetAddress_getByAddress = NULL;
inetAddressClass = cache.findClass("java/net/InetAddress");
if(inetAddressClass == NULL)
if(env->ExceptionCheck() || inetAddressClass == NULL)
{
LOGE("Error finding InetAddress class");
return NULL;
}
inetAddress_getByAddress = cache.findStaticMethod(
inetAddressClass, "getByAddress", "([B)Ljava/net/InetAddress;");
if(inetAddress_getByAddress == NULL)
if(env->ExceptionCheck() || inetAddress_getByAddress == NULL)
{
LOGE("Erorr finding getByAddress() static method");
return NULL;
}
@ -305,6 +338,7 @@ jobject newInetAddress(JNIEnv *env, const sockaddr_storage &addr)
jbyteArray buff = env->NewByteArray(16);
if(buff == NULL)
{
LOGE("Error creating IPV6 byte array");
return NULL;
}
@ -319,6 +353,7 @@ jobject newInetAddress(JNIEnv *env, const sockaddr_storage &addr)
jbyteArray buff = env->NewByteArray(4);
if(buff == NULL)
{
LOGE("Error creating IPV4 byte array");
return NULL;
}
@ -328,32 +363,40 @@ jobject newInetAddress(JNIEnv *env, const sockaddr_storage &addr)
}
break;
}
if(env->ExceptionCheck() || inetAddressObj == NULL) {
LOGE("Error creating InetAddress object");
return NULL;
}
return inetAddressObj;
}
jobject newInetSocketAddress(JNIEnv *env, const sockaddr_storage &addr)
{
LOGV("newInetSocketAddress Called");
jclass inetSocketAddressClass = NULL;
jmethodID inetSocketAddress_constructor = NULL;
inetSocketAddressClass = cache.findClass("java/net/InetSocketAddress");
if(inetSocketAddressClass == NULL)
if(env->ExceptionCheck() || inetSocketAddressClass == NULL)
{
LOGE("Error finding InetSocketAddress Class");
return NULL;
}
jobject inetAddressObject = newInetAddress(env, addr);
if(inetAddressObject == NULL)
if(env->ExceptionCheck() || inetAddressObject == NULL)
{
LOGE("Error creating new inet address");
return NULL;
}
inetSocketAddress_constructor = cache.findMethod(
inetSocketAddressClass, "<init>", "(Ljava/net/InetAddress;I)V");
if(inetSocketAddress_constructor == NULL)
if(env->ExceptionCheck() || inetSocketAddress_constructor == NULL)
{
LOGE("Error finding InetSocketAddress constructor");
return NULL;
}
@ -375,6 +418,9 @@ jobject newInetSocketAddress(JNIEnv *env, const sockaddr_storage &addr)
};
jobject inetSocketAddressObject = env->NewObject(inetSocketAddressClass, inetSocketAddress_constructor, inetAddressObject, port);
if(env->ExceptionCheck() || inetSocketAddressObject == NULL) {
LOGE("Error creating InetSocketAddress object");
}
return inetSocketAddressObject;
}
@ -387,40 +433,34 @@ jobject newMulticastGroup(JNIEnv *env, const ZT1_MulticastGroup &mc)
jfieldID adiField = NULL;
multicastGroupClass = cache.findClass("com/zerotier/sdk/MulticastGroup");
if(multicastGroupClass == NULL)
if(env->ExceptionCheck() || multicastGroupClass == NULL)
{
return NULL;
}
multicastGroup_constructor = cache.findMethod(
multicastGroupClass, "<init>", "()V");
if(multicastGroup_constructor == NULL)
if(env->ExceptionCheck() || multicastGroup_constructor == NULL)
{
return NULL;
}
jobject multicastGroupObj = env->NewObject(multicastGroupClass, multicastGroup_constructor);
if(multicastGroupObj == NULL)
if(env->ExceptionCheck() || multicastGroupObj == NULL)
{
return NULL;
}
if(macField == NULL)
macField = cache.findField(multicastGroupClass, "mac", "J");
if(env->ExceptionCheck() || macField == NULL)
{
macField = cache.findField(multicastGroupClass, "mac", "J");
if(macField == NULL)
{
return NULL;
}
return NULL;
}
if(adiField == NULL)
adiField = cache.findField(multicastGroupClass, "adi", "J");
if(env->ExceptionCheck() || adiField == NULL)
{
adiField = cache.findField(multicastGroupClass, "adi", "J");
if(adiField == NULL)
{
return NULL;
}
return NULL;
}
env->SetLongField(multicastGroupObj, macField, mc.mac);
@ -431,6 +471,7 @@ jobject newMulticastGroup(JNIEnv *env, const ZT1_MulticastGroup &mc)
jobject newPeerPhysicalPath(JNIEnv *env, const ZT1_PeerPhysicalPath &ppp)
{
LOGV("newPeerPhysicalPath Called");
jclass pppClass = NULL;
jfieldID addressField = NULL;
@ -443,73 +484,92 @@ jobject newPeerPhysicalPath(JNIEnv *env, const ZT1_PeerPhysicalPath &ppp)
jmethodID ppp_constructor = NULL;
pppClass = cache.findClass("com/zerotier/sdk/PeerPhysicalPath");
if(pppClass == NULL)
if(env->ExceptionCheck() || pppClass == NULL)
{
LOGE("Error finding PeerPhysicalPath class");
return NULL;
}
addressField = cache.findField(pppClass, "address", "Ljava/net/InetAddress;");
if(addressField == NULL)
addressField = cache.findField(pppClass, "address", "Ljava/net/InetSocketAddress;");
if(env->ExceptionCheck() || addressField == NULL)
{
LOGE("Error finding address field");
return NULL;
}
lastSendField = cache.findField(pppClass, "lastSend", "J");
if(lastSendField == NULL)
if(env->ExceptionCheck() || lastSendField == NULL)
{
LOGE("Error finding lastSend field");
return NULL;
}
lastReceiveField = cache.findField(pppClass, "lastReceive", "J");
if(lastReceiveField == NULL)
if(env->ExceptionCheck() || lastReceiveField == NULL)
{
LOGE("Error finding lastReceive field");
return NULL;
}
fixedField = cache.findField(pppClass, "fixed", "Z");
if(fixedField == NULL)
if(env->ExceptionCheck() || fixedField == NULL)
{
LOGE("Error finding fixed field");
return NULL;
}
activeField = cache.findField(pppClass, "active", "Z");
if(activeField == NULL)
if(env->ExceptionCheck() || activeField == NULL)
{
LOGE("Error finding active field");
return NULL;
}
preferredField = cache.findField(pppClass, "preferred", "Z");
if(preferredField == NULL)
if(env->ExceptionCheck() || preferredField == NULL)
{
LOGE("Error finding preferred field");
return NULL;
}
ppp_constructor = cache.findMethod(pppClass, "<init>", "()V");
if(ppp_constructor == NULL)
if(env->ExceptionCheck() || ppp_constructor == NULL)
{
LOGE("Error finding PeerPhysicalPath constructor");
return NULL;
}
jobject pppObject = env->NewObject(pppClass, ppp_constructor);
if(pppObject == NULL)
if(env->ExceptionCheck() || pppObject == NULL)
{
LOGE("Error creating PPP object");
return NULL; // out of memory
}
jobject addressObject = newInetAddress(env, ppp.address);
jobject addressObject = newInetSocketAddress(env, ppp.address);
if(env->ExceptionCheck() || addressObject == NULL) {
LOGE("Error creating InetSocketAddress object");
return NULL;
}
env->SetObjectField(pppObject, addressField, addressObject);
env->SetLongField(pppObject, lastSendField, ppp.lastSend);
env->SetLongField(pppObject, lastReceiveField, ppp.lastReceive);
env->SetBooleanField(pppObject, fixedField, ppp.fixed);
env->SetBooleanField(pppObject, activeField, ppp.active);
env->SetBooleanField(pppObject, preferredField, ppp.preferred);
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);
if(env->ExceptionCheck()) {
LOGE("Exception assigning fields to PeerPhysicalPath object");
}
return pppObject;
}
jobject newPeer(JNIEnv *env, const ZT1_Peer &peer)
{
LOGV("newPeer called");
jclass peerClass = NULL;
jfieldID addressField = NULL;
@ -525,94 +585,107 @@ jobject newPeer(JNIEnv *env, const ZT1_Peer &peer)
jmethodID peer_constructor = NULL;
peerClass = cache.findClass("com/zerotier/sdk/Peer");
if(peerClass == NULL)
if(env->ExceptionCheck() || peerClass == NULL)
{
return NULL;
}
addressField = cache.findField(peerClass, "address", "J");
if(addressField == NULL)
if(env->ExceptionCheck() || addressField == NULL)
{
return NULL;
}
lastUnicastFrameField = cache.findField(peerClass, "lastUnicastFrame", "J");
if(lastUnicastFrameField == NULL)
if(env->ExceptionCheck() || lastUnicastFrameField == NULL)
{
return NULL;
}
lastMulticastFrameField = cache.findField(peerClass, "lastMulticastFrame", "J");
if(lastMulticastFrameField == NULL)
if(env->ExceptionCheck() || lastMulticastFrameField == NULL)
{
return NULL;
}
versionMajorField = cache.findField(peerClass, "versionMajor", "I");
if(versionMajorField == NULL)
if(env->ExceptionCheck() || versionMajorField == NULL)
{
return NULL;
}
versionMinorField = cache.findField(peerClass, "versionMinor", "I");
if(versionMinorField == NULL)
if(env->ExceptionCheck() || versionMinorField == NULL)
{
return NULL;
}
versionRevField = cache.findField(peerClass, "versionRev", "I");
if(versionRevField == NULL)
if(env->ExceptionCheck() || versionRevField == NULL)
{
return NULL;
}
latencyField = cache.findField(peerClass, "latency", "I");
if(latencyField == NULL)
if(env->ExceptionCheck() || latencyField == NULL)
{
return NULL;
}
roleField = cache.findField(peerClass, "role", "Lcom/zerotier/sdk/PeerRole;");
if(roleField == NULL)
if(env->ExceptionCheck() || roleField == NULL)
{
return NULL;
}
pathsField = cache.findField(peerClass, "paths", "Ljava.util.ArrayList;");
if(pathsField == NULL)
if(env->ExceptionCheck() || pathsField == NULL)
{
return NULL;
}
peer_constructor = cache.findMethod(peerClass, "<init>", "()V");
if(peer_constructor == NULL)
if(env->ExceptionCheck() || peer_constructor == NULL)
{
return NULL;
}
jobject peerObject = env->NewObject(peerClass, peer_constructor);
if(peerObject == NULL)
if(env->ExceptionCheck() || 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));
env->SetLongField(peerObject, addressField, (jlong)peer.address);
env->SetLongField(peerObject, lastUnicastFrameField, (jlong)peer.lastUnicastFrame);
env->SetLongField(peerObject, lastMulticastFrameField, (jlong)peer.lastMulticastFrame);
env->SetIntField(peerObject, versionMajorField, peer.versionMajor);
env->SetIntField(peerObject, versionMinorField, peer.versionMinor);
env->SetIntField(peerObject, versionRevField, peer.versionRev);
env->SetIntField(peerObject, latencyField, peer.latency);
env->SetObjectField(peerObject, roleField, createPeerRole(env, peer.role));
jobject arrayObject = newArrayList(env);
if(env->ExceptionCheck() || arrayObject == NULL) {
LOGE("Error creating array list for peer physical paths");
return NULL;
}
for(unsigned int i = 0; i < peer.pathCount; ++i)
{
jobject path = newPeerPhysicalPath(env, peer.paths[i]);
appendItemToArrayList(env, arrayObject, path);
if(env->ExceptionCheck() || path == NULL) {
LOGE("newPeerPhysicalPath returned NULL, or exception");
break;
} else {
if(!appendItemToArrayList(env, arrayObject, path)) {
LOGE("appendItemToArrayList returned false");
return peerObject;
}
}
}
env->SetObjectField(peerClass, pathsField, arrayObject);
env->SetObjectField(peerObject, pathsField, arrayObject);
return peerObject;
}
@ -645,112 +718,112 @@ jobject newNetworkConfig(JNIEnv *env, const ZT1_VirtualNetworkConfig &vnetConfig
vnetConfig_constructor = cache.findMethod(
vnetConfigClass, "<init>", "()V");
if(vnetConfig_constructor == NULL)
if(env->ExceptionCheck() || vnetConfig_constructor == NULL)
{
LOGE("Couldn't find VirtualNetworkConfig Constructor");
return NULL;
}
jobject vnetConfigObj = env->NewObject(vnetConfigClass, vnetConfig_constructor);
if(vnetConfigObj == NULL)
if(env->ExceptionCheck() || vnetConfigObj == NULL)
{
LOGE("Error creating new VirtualNetworkConfig object");
return NULL;
}
nwidField = cache.findField(vnetConfigClass, "nwid", "J");
if(nwidField == NULL)
if(env->ExceptionCheck() || nwidField == NULL)
{
LOGE("Error getting nwid field");
return NULL;
}
macField = cache.findField(vnetConfigClass, "mac", "J");
if(macField == NULL)
if(env->ExceptionCheck() || macField == NULL)
{
LOGE("Error getting mac field");
return NULL;
}
nameField = cache.findField(vnetConfigClass, "name", "Ljava/lang/String;");
if(nameField == NULL)
if(env->ExceptionCheck() || nameField == NULL)
{
LOGE("Error getting name field");
return NULL;
}
statusField = cache.findField(vnetConfigClass, "status", "Lcom/zerotier/sdk/VirtualNetworkStatus;");
if(statusField == NULL)
if(env->ExceptionCheck() || statusField == NULL)
{
LOGE("Error getting status field");
return NULL;
}
typeField = cache.findField(vnetConfigClass, "type", "Lcom/zerotier/sdk/VirtualNetworkType;");
if(typeField == NULL)
if(env->ExceptionCheck() || typeField == NULL)
{
LOGE("Error getting type field");
return NULL;
}
mtuField = cache.findField(vnetConfigClass, "mtu", "I");
if(mtuField == NULL)
if(env->ExceptionCheck() || mtuField == NULL)
{
LOGE("Error getting mtu field");
return NULL;
}
dhcpField = cache.findField(vnetConfigClass, "dhcp", "Z");
if(dhcpField == NULL)
if(env->ExceptionCheck() || dhcpField == NULL)
{
LOGE("Error getting dhcp field");
return NULL;
}
bridgeField = cache.findField(vnetConfigClass, "bridge", "Z");
if(bridgeField == NULL)
if(env->ExceptionCheck() || bridgeField == NULL)
{
LOGE("Error getting bridge field");
return NULL;
}
broadcastEnabledField = cache.findField(vnetConfigClass, "broadcastEnabled", "Z");
if(broadcastEnabledField == NULL)
if(env->ExceptionCheck() || broadcastEnabledField == NULL)
{
LOGE("Error getting broadcastEnabled field");
return NULL;
}
portErrorField = cache.findField(vnetConfigClass, "portError", "I");
if(portErrorField == NULL)
if(env->ExceptionCheck() || portErrorField == NULL)
{
LOGE("Error getting portError field");
return NULL;
}
enabledField = cache.findField(vnetConfigClass, "enabled", "Z");
if(enabledField == NULL)
if(env->ExceptionCheck() || enabledField == NULL)
{
LOGE("Error getting enabled field");
return NULL;
}
netconfRevisionField = cache.findField(vnetConfigClass, "netconfRevision", "J");
if(netconfRevisionField == NULL)
if(env->ExceptionCheck() || netconfRevisionField == NULL)
{
LOGE("Error getting netconfRevision field");
return NULL;
}
multicastSubscriptionsField = cache.findField(vnetConfigClass, "multicastSubscriptions", "Ljava/util/ArrayList;");
if(multicastSubscriptionsField == NULL)
if(env->ExceptionCheck() || multicastSubscriptionsField == NULL)
{
LOGE("Error getting multicastSubscriptions field");
return NULL;
}
assignedAddressesField = cache.findField(vnetConfigClass, "assignedAddresses", "Ljava/util/ArrayList;");
if(assignedAddressesField == NULL)
if(env->ExceptionCheck() || assignedAddressesField == NULL)
{
LOGE("Error getting assignedAddresses field");
return NULL;
@ -759,21 +832,21 @@ jobject newNetworkConfig(JNIEnv *env, const ZT1_VirtualNetworkConfig &vnetConfig
env->SetLongField(vnetConfigObj, nwidField, vnetConfig.nwid);
env->SetLongField(vnetConfigObj, macField, vnetConfig.mac);
jstring nameStr = env->NewStringUTF(vnetConfig.name);
if(nameStr == NULL)
if(env->ExceptionCheck() || nameStr == NULL)
{
return NULL; // out of memory
}
env->SetObjectField(vnetConfigObj, nameField, nameStr);
jobject statusObject = createVirtualNetworkStatus(env, vnetConfig.status);
if(statusObject == NULL)
if(env->ExceptionCheck() || statusObject == NULL)
{
return NULL;
}
env->SetObjectField(vnetConfigObj, statusField, statusObject);
jobject typeObject = createVirtualNetworkType(env, vnetConfig.type);
if(typeObject == NULL)
if(env->ExceptionCheck() || typeObject == NULL)
{
return NULL;
}
@ -814,20 +887,20 @@ jobject newVersion(JNIEnv *env, int major, int minor, int rev, long featureFlags
jmethodID versionConstructor = NULL;
versionClass = cache.findClass("com/zerotier/sdk/Version");
if(versionClass == NULL)
if(env->ExceptionCheck() || versionClass == NULL)
{
return NULL;
}
versionConstructor = cache.findMethod(
versionClass, "<init>", "()V");
if(versionConstructor == NULL)
if(env->ExceptionCheck() || versionConstructor == NULL)
{
return NULL;
}
jobject versionObj = env->NewObject(versionClass, versionConstructor);
if(versionObj == NULL)
if(env->ExceptionCheck() || versionObj == NULL)
{
return NULL;
}
@ -839,25 +912,25 @@ jobject newVersion(JNIEnv *env, int major, int minor, int rev, long featureFlags
jfieldID featureFlagsField = NULL;
majorField = cache.findField(versionClass, "major", "I");
if(majorField == NULL)
if(env->ExceptionCheck() || majorField == NULL)
{
return NULL;
}
minorField = cache.findField(versionClass, "minor", "I");
if(minorField == NULL)
if(env->ExceptionCheck() || minorField == NULL)
{
return NULL;
}
revisionField = cache.findField(versionClass, "revision", "I");
if(revisionField == NULL)
if(env->ExceptionCheck() || revisionField == NULL)
{
return NULL;
}
featureFlagsField = cache.findField(versionClass, "featureFlags", "J");
if(featureFlagsField == NULL)
if(env->ExceptionCheck() || featureFlagsField == NULL)
{
return NULL;
}

5
java/jni/com_zerotierone_sdk_Node.cpp
Unescape View File

@ -432,7 +432,10 @@ namespace {
jobject addressObj = newInetSocketAddress(env, *address);
jbyteArray bufferObj = env->NewByteArray(bufferSize);
env->SetByteArrayRegion(bufferObj, 0, bufferSize, (jbyte*)buffer);
return env->CallIntMethod(ref->packetSender, packetSenderCallbackMethod, addressObj, bufferObj);
int retval = env->CallIntMethod(ref->packetSender, packetSenderCallbackMethod, addressObj, bufferObj);
LOGD("JNI Packet Sender returned: %d", retval);
return retval;
}
typedef std::map<uint64_t, JniRef*> NodeMap;

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