mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-28 00:38:51 +00:00
1381 lines
40 KiB
C++
1381 lines
40 KiB
C++
/*
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* ZeroTier One - Network Virtualization Everywhere
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* Copyright (C) 2011-2015 ZeroTier, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* --
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*
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* ZeroTier may be used and distributed under the terms of the GPLv3, which
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* are available at: http://www.gnu.org/licenses/gpl-3.0.html
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*
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* If you would like to embed ZeroTier into a commercial application or
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* redistribute it in a modified binary form, please contact ZeroTier Networks
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* LLC. Start here: http://www.zerotier.com/
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*/
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#include "com_zerotierone_sdk_Node.h"
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#include "ZT_jniutils.h"
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#include "ZT_jnilookup.h"
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#include <ZeroTierOne.h>
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#include "Mutex.hpp"
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#include <map>
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#include <string>
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#include <assert.h>
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#include <string.h>
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// global static JNI Lookup Object
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JniLookup lookup;
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#ifdef __cplusplus
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extern "C" {
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#endif
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namespace {
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struct JniRef
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{
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JniRef()
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: jvm(NULL)
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, node(NULL)
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, dataStoreGetListener(NULL)
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, dataStorePutListener(NULL)
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, packetSender(NULL)
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, eventListener(NULL)
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, frameListener(NULL)
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, configListener(NULL)
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, callbacks(NULL)
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{
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callbacks = (ZT_Node_Callbacks*)malloc(sizeof(ZT_Node_Callbacks));
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memset(callbacks, 0, sizeof(ZT_Node_Callbacks));
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}
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~JniRef()
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{
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JNIEnv *env = NULL;
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jvm->GetEnv((void**)&env, JNI_VERSION_1_6);
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env->DeleteGlobalRef(dataStoreGetListener);
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env->DeleteGlobalRef(dataStorePutListener);
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env->DeleteGlobalRef(packetSender);
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env->DeleteGlobalRef(eventListener);
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env->DeleteGlobalRef(frameListener);
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env->DeleteGlobalRef(configListener);
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free(callbacks);
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callbacks = NULL;
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}
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uint64_t id;
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JavaVM *jvm;
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ZT_Node *node;
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jobject dataStoreGetListener;
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jobject dataStorePutListener;
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jobject packetSender;
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jobject eventListener;
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jobject frameListener;
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jobject configListener;
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ZT_Node_Callbacks *callbacks;
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};
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int VirtualNetworkConfigFunctionCallback(
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ZT_Node *node,
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void *userData,
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uint64_t nwid,
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void **,
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enum ZT_VirtualNetworkConfigOperation operation,
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const ZT_VirtualNetworkConfig *config)
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{
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LOGV("VritualNetworkConfigFunctionCallback");
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JniRef *ref = (JniRef*)userData;
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JNIEnv *env = NULL;
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ref->jvm->GetEnv((void**)&env, JNI_VERSION_1_6);
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jclass configListenerClass = env->GetObjectClass(ref->configListener);
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if(configListenerClass == NULL)
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{
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LOGE("Couldn't find class for VirtualNetworkConfigListener instance");
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return -1;
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}
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jmethodID configListenerCallbackMethod = lookup.findMethod(configListenerClass,
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"onNetworkConfigurationUpdated",
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"(JLcom/zerotier/sdk/VirtualNetworkConfigOperation;Lcom/zerotier/sdk/VirtualNetworkConfig;)I");
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if(configListenerCallbackMethod == NULL)
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{
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LOGE("Couldn't find onVirtualNetworkFrame() method");
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return -2;
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}
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jobject operationObject = createVirtualNetworkConfigOperation(env, operation);
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if(operationObject == NULL)
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{
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LOGE("Error creating VirtualNetworkConfigOperation object");
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return -3;
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}
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jobject networkConfigObject = newNetworkConfig(env, *config);
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if(networkConfigObject == NULL)
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{
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LOGE("Error creating VirtualNetworkConfig object");
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return -4;
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}
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return env->CallIntMethod(
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ref->configListener,
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configListenerCallbackMethod,
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(jlong)nwid, operationObject, networkConfigObject);
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}
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void VirtualNetworkFrameFunctionCallback(ZT_Node *node,
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void *userData,
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uint64_t nwid,
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void**,
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uint64_t sourceMac,
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uint64_t destMac,
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unsigned int etherType,
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unsigned int vlanid,
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const void *frameData,
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unsigned int frameLength)
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{
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LOGV("VirtualNetworkFrameFunctionCallback");
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unsigned char* local = (unsigned char*)frameData;
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LOGV("Type Bytes: 0x%02x%02x", local[12], local[13]);
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JniRef *ref = (JniRef*)userData;
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assert(ref->node == node);
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JNIEnv *env = NULL;
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ref->jvm->GetEnv((void**)&env, JNI_VERSION_1_6);
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jclass frameListenerClass = env->GetObjectClass(ref->frameListener);
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if(env->ExceptionCheck() || frameListenerClass == NULL)
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{
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LOGE("Couldn't find class for VirtualNetworkFrameListener instance");
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return;
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}
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jmethodID frameListenerCallbackMethod = lookup.findMethod(
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frameListenerClass,
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"onVirtualNetworkFrame", "(JJJJJ[B)V");
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if(env->ExceptionCheck() || frameListenerCallbackMethod == NULL)
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{
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LOGE("Couldn't find onVirtualNetworkFrame() method");
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return;
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}
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jbyteArray dataArray = env->NewByteArray(frameLength);
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if(env->ExceptionCheck() || dataArray == NULL)
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{
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LOGE("Couldn't create frame data array");
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return;
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}
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void *data = env->GetPrimitiveArrayCritical(dataArray, NULL);
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memcpy(data, frameData, frameLength);
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env->ReleasePrimitiveArrayCritical(dataArray, data, 0);
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if(env->ExceptionCheck())
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{
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LOGE("Error setting frame data to array");
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return;
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}
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env->CallVoidMethod(ref->frameListener, frameListenerCallbackMethod, (jlong)nwid, (jlong)sourceMac, (jlong)destMac, (jlong)etherType, (jlong)vlanid, dataArray);
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}
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void EventCallback(ZT_Node *node,
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void *userData,
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enum ZT_Event event,
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const void *data)
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{
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LOGV("EventCallback");
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JniRef *ref = (JniRef*)userData;
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if(ref->node != node && event != ZT_EVENT_UP)
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{
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LOGE("Nodes not equal. ref->node %p, node %p. Event: %d", ref->node, node, event);
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return;
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}
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JNIEnv *env = NULL;
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ref->jvm->GetEnv((void**)&env, JNI_VERSION_1_6);
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jclass eventListenerClass = env->GetObjectClass(ref->eventListener);
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if(eventListenerClass == NULL)
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{
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LOGE("Couldn't class for EventListener instance");
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return;
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}
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jmethodID onEventMethod = lookup.findMethod(eventListenerClass,
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"onEvent", "(Lcom/zerotier/sdk/Event;)V");
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if(onEventMethod == NULL)
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{
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LOGE("Couldn't find onEvent method");
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return;
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}
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jmethodID onTraceMethod = lookup.findMethod(eventListenerClass,
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"onTrace", "(Ljava/lang/String;)V");
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if(onTraceMethod == NULL)
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{
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LOGE("Couldn't find onTrace method");
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return;
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}
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jobject eventObject = createEvent(env, event);
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if(eventObject == NULL)
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{
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return;
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}
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switch(event)
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{
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case ZT_EVENT_UP:
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{
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LOGD("Event Up");
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env->CallVoidMethod(ref->eventListener, onEventMethod, eventObject);
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break;
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}
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case ZT_EVENT_OFFLINE:
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{
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LOGD("Event Offline");
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env->CallVoidMethod(ref->eventListener, onEventMethod, eventObject);
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break;
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}
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case ZT_EVENT_ONLINE:
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{
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LOGD("Event Online");
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env->CallVoidMethod(ref->eventListener, onEventMethod, eventObject);
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break;
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}
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case ZT_EVENT_DOWN:
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{
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LOGD("Event Down");
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env->CallVoidMethod(ref->eventListener, onEventMethod, eventObject);
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break;
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}
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case ZT_EVENT_FATAL_ERROR_IDENTITY_COLLISION:
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{
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LOGV("Identity Collision");
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// call onEvent()
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env->CallVoidMethod(ref->eventListener, onEventMethod, eventObject);
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}
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break;
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case ZT_EVENT_TRACE:
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{
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LOGV("Trace Event");
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// call onTrace()
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if(data != NULL)
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{
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const char* message = (const char*)data;
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jstring messageStr = env->NewStringUTF(message);
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env->CallVoidMethod(ref->eventListener, onTraceMethod, messageStr);
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}
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}
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break;
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case ZT_EVENT_USER_MESSAGE:
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break;
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}
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}
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long DataStoreGetFunction(ZT_Node *node,
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void *userData,
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const char *objectName,
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void *buffer,
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unsigned long bufferSize,
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unsigned long bufferIndex,
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unsigned long *out_objectSize)
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{
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JniRef *ref = (JniRef*)userData;
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JNIEnv *env = NULL;
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ref->jvm->GetEnv((void**)&env, JNI_VERSION_1_6);
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jclass dataStoreGetClass = env->GetObjectClass(ref->dataStoreGetListener);
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if(dataStoreGetClass == NULL)
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{
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LOGE("Couldn't find class for DataStoreGetListener instance");
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return -2;
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}
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jmethodID dataStoreGetCallbackMethod = lookup.findMethod(
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dataStoreGetClass,
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"onDataStoreGet",
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"(Ljava/lang/String;[BJ[J)J");
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if(dataStoreGetCallbackMethod == NULL)
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{
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LOGE("Couldn't find onDataStoreGet method");
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return -2;
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}
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jstring nameStr = env->NewStringUTF(objectName);
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if(nameStr == NULL)
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{
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LOGE("Error creating name string object");
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return -2; // out of memory
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}
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jbyteArray bufferObj = env->NewByteArray(bufferSize);
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if(bufferObj == NULL)
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{
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LOGE("Error creating byte[] buffer of size: %lu", bufferSize);
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return -2;
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}
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jlongArray objectSizeObj = env->NewLongArray(1);
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if(objectSizeObj == NULL)
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{
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LOGE("Error creating long[1] array for actual object size");
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return -2; // couldn't create long[1] array
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}
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LOGV("Calling onDataStoreGet(%s, %p, %lu, %p)",
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objectName, buffer, bufferIndex, objectSizeObj);
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long retval = (long)env->CallLongMethod(
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ref->dataStoreGetListener, dataStoreGetCallbackMethod,
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nameStr, bufferObj, (jlong)bufferIndex, objectSizeObj);
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if(retval > 0)
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{
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void *data = env->GetPrimitiveArrayCritical(bufferObj, NULL);
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memcpy(buffer, data, retval);
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env->ReleasePrimitiveArrayCritical(bufferObj, data, 0);
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jlong *objSize = (jlong*)env->GetPrimitiveArrayCritical(objectSizeObj, NULL);
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*out_objectSize = (unsigned long)objSize[0];
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env->ReleasePrimitiveArrayCritical(objectSizeObj, objSize, 0);
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}
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LOGV("Out Object Size: %lu", *out_objectSize);
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return retval;
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}
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int DataStorePutFunction(ZT_Node *node,
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void *userData,
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const char *objectName,
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const void *buffer,
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unsigned long bufferSize,
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int secure)
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{
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JniRef *ref = (JniRef*)userData;
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JNIEnv *env = NULL;
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ref->jvm->GetEnv((void**)&env, JNI_VERSION_1_6);
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jclass dataStorePutClass = env->GetObjectClass(ref->dataStorePutListener);
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if(dataStorePutClass == NULL)
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{
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LOGE("Couldn't find class for DataStorePutListener instance");
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return -1;
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}
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jmethodID dataStorePutCallbackMethod = lookup.findMethod(
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dataStorePutClass,
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"onDataStorePut",
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"(Ljava/lang/String;[BZ)I");
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if(dataStorePutCallbackMethod == NULL)
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{
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LOGE("Couldn't find onDataStorePut method");
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return -2;
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}
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jmethodID deleteMethod = lookup.findMethod(dataStorePutClass,
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"onDelete", "(Ljava/lang/String;)I");
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if(deleteMethod == NULL)
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{
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LOGE("Couldn't find onDelete method");
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return -3;
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}
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jstring nameStr = env->NewStringUTF(objectName);
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if(buffer == NULL)
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{
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LOGD("JNI: Delete file: %s", objectName);
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// delete operation
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return env->CallIntMethod(
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ref->dataStorePutListener, deleteMethod, nameStr);
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}
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else
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{
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LOGD("JNI: Write file: %s", objectName);
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// set operation
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jbyteArray bufferObj = env->NewByteArray(bufferSize);
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if(env->ExceptionCheck() || bufferObj == NULL)
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{
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LOGE("Error creating byte array buffer!");
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return -4;
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}
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env->SetByteArrayRegion(bufferObj, 0, bufferSize, (jbyte*)buffer);
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bool bsecure = secure != 0;
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return env->CallIntMethod(ref->dataStorePutListener,
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dataStorePutCallbackMethod,
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nameStr, bufferObj, bsecure);
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}
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}
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|
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int WirePacketSendFunction(ZT_Node *node,
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void *userData,
|
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const struct sockaddr_storage *localAddress,
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const struct sockaddr_storage *remoteAddress,
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const void *buffer,
|
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unsigned int bufferSize,
|
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unsigned int ttl)
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{
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LOGV("WirePacketSendFunction(%p, %p, %p, %d)", localAddress, remoteAddress, buffer, bufferSize);
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JniRef *ref = (JniRef*)userData;
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assert(ref->node == node);
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JNIEnv *env = NULL;
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ref->jvm->GetEnv((void**)&env, JNI_VERSION_1_6);
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|
|
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jclass packetSenderClass = env->GetObjectClass(ref->packetSender);
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if(packetSenderClass == NULL)
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{
|
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LOGE("Couldn't find class for PacketSender instance");
|
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return -1;
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}
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|
|
jmethodID packetSenderCallbackMethod = lookup.findMethod(packetSenderClass,
|
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"onSendPacketRequested", "(Ljava/net/InetSocketAddress;Ljava/net/InetSocketAddress;[BI)I");
|
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if(packetSenderCallbackMethod == NULL)
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{
|
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LOGE("Couldn't find onSendPacketRequested method");
|
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return -2;
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}
|
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|
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jobject localAddressObj = NULL;
|
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if(memcmp(localAddress, &ZT_SOCKADDR_NULL, sizeof(sockaddr_storage)) != 0)
|
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{
|
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localAddressObj = newInetSocketAddress(env, *localAddress);
|
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}
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|
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jobject remoteAddressObj = newInetSocketAddress(env, *remoteAddress);
|
|
jbyteArray bufferObj = env->NewByteArray(bufferSize);
|
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env->SetByteArrayRegion(bufferObj, 0, bufferSize, (jbyte*)buffer);
|
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int retval = env->CallIntMethod(ref->packetSender, packetSenderCallbackMethod, localAddressObj, remoteAddressObj, bufferObj);
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|
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LOGV("JNI Packet Sender returned: %d", retval);
|
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return retval;
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|
}
|
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|
|
typedef std::map<uint64_t, JniRef*> NodeMap;
|
|
static NodeMap nodeMap;
|
|
ZeroTier::Mutex nodeMapMutex;
|
|
|
|
ZT_Node* findNode(uint64_t nodeId)
|
|
{
|
|
ZeroTier::Mutex::Lock lock(nodeMapMutex);
|
|
NodeMap::iterator found = nodeMap.find(nodeId);
|
|
if(found != nodeMap.end())
|
|
{
|
|
JniRef *ref = found->second;
|
|
return ref->node;
|
|
}
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved)
|
|
{
|
|
lookup.setJavaVM(vm);
|
|
return JNI_VERSION_1_6;
|
|
}
|
|
|
|
JNIEXPORT void JNICALL JNI_OnUnload(JavaVM *vm, void *reserved)
|
|
{
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|
|
|
}
|
|
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
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|
* Method: node_init
|
|
* Signature: (J)Lcom/zerotier/sdk/ResultCode;
|
|
*/
|
|
JNIEXPORT jobject JNICALL Java_com_zerotier_sdk_Node_node_1init(
|
|
JNIEnv *env, jobject obj, jlong now)
|
|
{
|
|
LOGV("Creating ZT_Node struct");
|
|
jobject resultObject = createResultObject(env, ZT_RESULT_OK);
|
|
|
|
ZT_Node *node;
|
|
JniRef *ref = new JniRef;
|
|
ref->id = (uint64_t)now;
|
|
env->GetJavaVM(&ref->jvm);
|
|
|
|
jclass cls = env->GetObjectClass(obj);
|
|
jfieldID fid = lookup.findField(
|
|
cls, "getListener", "Lcom/zerotier/sdk/DataStoreGetListener;");
|
|
|
|
if(fid == NULL)
|
|
{
|
|
return NULL; // exception already thrown
|
|
}
|
|
|
|
jobject tmp = env->GetObjectField(obj, fid);
|
|
if(tmp == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
ref->dataStoreGetListener = env->NewGlobalRef(tmp);
|
|
|
|
fid = lookup.findField(
|
|
cls, "putListener", "Lcom/zerotier/sdk/DataStorePutListener;");
|
|
|
|
if(fid == NULL)
|
|
{
|
|
return NULL; // exception already thrown
|
|
}
|
|
|
|
tmp = env->GetObjectField(obj, fid);
|
|
if(tmp == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
ref->dataStorePutListener = env->NewGlobalRef(tmp);
|
|
|
|
fid = lookup.findField(
|
|
cls, "sender", "Lcom/zerotier/sdk/PacketSender;");
|
|
if(fid == NULL)
|
|
{
|
|
return NULL; // exception already thrown
|
|
}
|
|
|
|
tmp = env->GetObjectField(obj, fid);
|
|
if(tmp == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
ref->packetSender = env->NewGlobalRef(tmp);
|
|
|
|
fid = lookup.findField(
|
|
cls, "frameListener", "Lcom/zerotier/sdk/VirtualNetworkFrameListener;");
|
|
if(fid == NULL)
|
|
{
|
|
return NULL; // exception already thrown
|
|
}
|
|
|
|
tmp = env->GetObjectField(obj, fid);
|
|
if(tmp == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
ref->frameListener = env->NewGlobalRef(tmp);
|
|
|
|
fid = lookup.findField(
|
|
cls, "configListener", "Lcom/zerotier/sdk/VirtualNetworkConfigListener;");
|
|
if(fid == NULL)
|
|
{
|
|
return NULL; // exception already thrown
|
|
}
|
|
|
|
tmp = env->GetObjectField(obj, fid);
|
|
if(tmp == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
ref->configListener = env->NewGlobalRef(tmp);
|
|
|
|
fid = lookup.findField(
|
|
cls, "eventListener", "Lcom/zerotier/sdk/EventListener;");
|
|
if(fid == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
tmp = env->GetObjectField(obj, fid);
|
|
if(tmp == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
ref->eventListener = env->NewGlobalRef(tmp);
|
|
|
|
ref->callbacks->dataStoreGetFunction = &DataStoreGetFunction;
|
|
ref->callbacks->dataStorePutFunction = &DataStorePutFunction;
|
|
ref->callbacks->wirePacketSendFunction = &WirePacketSendFunction;
|
|
ref->callbacks->virtualNetworkFrameFunction = &VirtualNetworkFrameFunctionCallback;
|
|
ref->callbacks->virtualNetworkConfigFunction = &VirtualNetworkConfigFunctionCallback;
|
|
ref->callbacks->eventCallback = &EventCallback;
|
|
|
|
ZT_ResultCode rc = ZT_Node_new(
|
|
&node,
|
|
ref,
|
|
ref->callbacks,
|
|
(uint64_t)now);
|
|
|
|
if(rc != ZT_RESULT_OK)
|
|
{
|
|
LOGE("Error creating Node: %d", rc);
|
|
resultObject = createResultObject(env, rc);
|
|
if(node)
|
|
{
|
|
ZT_Node_delete(node);
|
|
node = NULL;
|
|
}
|
|
delete ref;
|
|
ref = NULL;
|
|
return resultObject;
|
|
}
|
|
|
|
ZeroTier::Mutex::Lock lock(nodeMapMutex);
|
|
ref->node = node;
|
|
nodeMap.insert(std::make_pair(ref->id, ref));
|
|
|
|
|
|
return resultObject;
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: node_delete
|
|
* Signature: (J)V
|
|
*/
|
|
JNIEXPORT void JNICALL Java_com_zerotier_sdk_Node_node_1delete(
|
|
JNIEnv *env, jobject obj, jlong id)
|
|
{
|
|
LOGV("Destroying ZT_Node struct");
|
|
uint64_t nodeId = (uint64_t)id;
|
|
|
|
NodeMap::iterator found;
|
|
{
|
|
ZeroTier::Mutex::Lock lock(nodeMapMutex);
|
|
found = nodeMap.find(nodeId);
|
|
}
|
|
|
|
if(found != nodeMap.end())
|
|
{
|
|
JniRef *ref = found->second;
|
|
nodeMap.erase(found);
|
|
|
|
ZT_Node_delete(ref->node);
|
|
|
|
delete ref;
|
|
ref = NULL;
|
|
}
|
|
else
|
|
{
|
|
LOGE("Attempted to delete a node that doesn't exist!");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: processVirtualNetworkFrame
|
|
* Signature: (JJJJJII[B[J)Lcom/zerotier/sdk/ResultCode;
|
|
*/
|
|
JNIEXPORT jobject JNICALL Java_com_zerotier_sdk_Node_processVirtualNetworkFrame(
|
|
JNIEnv *env, jobject obj,
|
|
jlong id,
|
|
jlong in_now,
|
|
jlong in_nwid,
|
|
jlong in_sourceMac,
|
|
jlong in_destMac,
|
|
jint in_etherType,
|
|
jint in_vlanId,
|
|
jbyteArray in_frameData,
|
|
jlongArray out_nextBackgroundTaskDeadline)
|
|
{
|
|
uint64_t nodeId = (uint64_t) id;
|
|
|
|
ZT_Node *node = findNode(nodeId);
|
|
if(node == NULL)
|
|
{
|
|
// cannot find valid node. We should never get here.
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
unsigned int nbtd_len = env->GetArrayLength(out_nextBackgroundTaskDeadline);
|
|
if(nbtd_len < 1)
|
|
{
|
|
// array for next background task length has 0 elements!
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
uint64_t now = (uint64_t)in_now;
|
|
uint64_t nwid = (uint64_t)in_nwid;
|
|
uint64_t sourceMac = (uint64_t)in_sourceMac;
|
|
uint64_t destMac = (uint64_t)in_destMac;
|
|
unsigned int etherType = (unsigned int)in_etherType;
|
|
unsigned int vlanId = (unsigned int)in_vlanId;
|
|
|
|
unsigned int frameLength = env->GetArrayLength(in_frameData);
|
|
void *frameData = env->GetPrimitiveArrayCritical(in_frameData, NULL);
|
|
void *localData = malloc(frameLength);
|
|
memcpy(localData, frameData, frameLength);
|
|
env->ReleasePrimitiveArrayCritical(in_frameData, frameData, 0);
|
|
|
|
uint64_t nextBackgroundTaskDeadline = 0;
|
|
|
|
ZT_ResultCode rc = ZT_Node_processVirtualNetworkFrame(
|
|
node,
|
|
now,
|
|
nwid,
|
|
sourceMac,
|
|
destMac,
|
|
etherType,
|
|
vlanId,
|
|
(const void*)localData,
|
|
frameLength,
|
|
&nextBackgroundTaskDeadline);
|
|
|
|
jlong *outDeadline = (jlong*)env->GetPrimitiveArrayCritical(out_nextBackgroundTaskDeadline, NULL);
|
|
outDeadline[0] = (jlong)nextBackgroundTaskDeadline;
|
|
env->ReleasePrimitiveArrayCritical(out_nextBackgroundTaskDeadline, outDeadline, 0);
|
|
|
|
return createResultObject(env, rc);
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: processWirePacket
|
|
* Signature: (JJLjava/net/InetSocketAddress;I[B[J)Lcom/zerotier/sdk/ResultCode;
|
|
*/
|
|
JNIEXPORT jobject JNICALL Java_com_zerotier_sdk_Node_processWirePacket(
|
|
JNIEnv *env, jobject obj,
|
|
jlong id,
|
|
jlong in_now,
|
|
jobject in_localAddress,
|
|
jobject in_remoteAddress,
|
|
jbyteArray in_packetData,
|
|
jlongArray out_nextBackgroundTaskDeadline)
|
|
{
|
|
uint64_t nodeId = (uint64_t) id;
|
|
ZT_Node *node = findNode(nodeId);
|
|
if(node == NULL)
|
|
{
|
|
// cannot find valid node. We should never get here.
|
|
LOGE("Couldn't find a valid node!");
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
unsigned int nbtd_len = env->GetArrayLength(out_nextBackgroundTaskDeadline);
|
|
if(nbtd_len < 1)
|
|
{
|
|
LOGE("nbtd_len < 1");
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
uint64_t now = (uint64_t)in_now;
|
|
|
|
// get the java.net.InetSocketAddress class and getAddress() method
|
|
jclass inetAddressClass = lookup.findClass("java/net/InetAddress");
|
|
if(inetAddressClass == NULL)
|
|
{
|
|
LOGE("Can't find InetAddress class");
|
|
// can't find java.net.InetAddress
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
jmethodID getAddressMethod = lookup.findMethod(
|
|
inetAddressClass, "getAddress", "()[B");
|
|
if(getAddressMethod == NULL)
|
|
{
|
|
// cant find InetAddress.getAddres()
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
jclass InetSocketAddressClass = lookup.findClass("java/net/InetSocketAddress");
|
|
if(InetSocketAddressClass == NULL)
|
|
{
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
jmethodID inetSockGetAddressMethod = lookup.findMethod(
|
|
InetSocketAddressClass, "getAddress", "()Ljava/net/InetAddress;");
|
|
|
|
jobject localAddrObj = NULL;
|
|
if(in_localAddress != NULL)
|
|
{
|
|
localAddrObj = env->CallObjectMethod(in_localAddress, inetSockGetAddressMethod);
|
|
}
|
|
|
|
jobject remoteAddrObject = env->CallObjectMethod(in_remoteAddress, inetSockGetAddressMethod);
|
|
|
|
if(remoteAddrObject == NULL)
|
|
{
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
jmethodID inetSock_getPort = lookup.findMethod(
|
|
InetSocketAddressClass, "getPort", "()I");
|
|
|
|
if(env->ExceptionCheck() || inetSock_getPort == NULL)
|
|
{
|
|
LOGE("Couldn't find getPort method on InetSocketAddress");
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
// call InetSocketAddress.getPort()
|
|
int remotePort = env->CallIntMethod(in_remoteAddress, inetSock_getPort);
|
|
if(env->ExceptionCheck())
|
|
{
|
|
LOGE("Exception calling InetSocketAddress.getPort()");
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
// Call InetAddress.getAddress()
|
|
jbyteArray remoteAddressArray = (jbyteArray)env->CallObjectMethod(remoteAddrObject, getAddressMethod);
|
|
if(remoteAddressArray == NULL)
|
|
{
|
|
LOGE("Unable to call getAddress()");
|
|
// unable to call getAddress()
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
unsigned int addrSize = env->GetArrayLength(remoteAddressArray);
|
|
|
|
|
|
sockaddr_storage localAddress = {};
|
|
|
|
if(localAddrObj == NULL)
|
|
{
|
|
localAddress = ZT_SOCKADDR_NULL;
|
|
}
|
|
else
|
|
{
|
|
int localPort = env->CallIntMethod(in_localAddress, inetSock_getPort);
|
|
jbyteArray localAddressArray = (jbyteArray)env->CallObjectMethod(localAddrObj, getAddressMethod);
|
|
if(localAddressArray != NULL)
|
|
{
|
|
|
|
unsigned int localAddrSize = env->GetArrayLength(localAddressArray);
|
|
jbyte *addr = (jbyte*)env->GetPrimitiveArrayCritical(localAddressArray, NULL);
|
|
|
|
if(localAddrSize == 16)
|
|
{
|
|
sockaddr_in6 ipv6 = {};
|
|
ipv6.sin6_family = AF_INET6;
|
|
ipv6.sin6_port = htons(localPort);
|
|
memcpy(ipv6.sin6_addr.s6_addr, addr, 16);
|
|
memcpy(&localAddress, &ipv6, sizeof(sockaddr_in6));
|
|
}
|
|
else if(localAddrSize)
|
|
{
|
|
// IPV4 address
|
|
sockaddr_in ipv4 = {};
|
|
ipv4.sin_family = AF_INET;
|
|
ipv4.sin_port = htons(localPort);
|
|
memcpy(&ipv4.sin_addr, addr, 4);
|
|
memcpy(&localAddress, &ipv4, sizeof(sockaddr_in));
|
|
}
|
|
else
|
|
{
|
|
localAddress = ZT_SOCKADDR_NULL;
|
|
}
|
|
env->ReleasePrimitiveArrayCritical(localAddressArray, addr, 0);
|
|
}
|
|
}
|
|
|
|
// get the address bytes
|
|
jbyte *addr = (jbyte*)env->GetPrimitiveArrayCritical(remoteAddressArray, NULL);
|
|
sockaddr_storage remoteAddress = {};
|
|
|
|
if(addrSize == 16)
|
|
{
|
|
// IPV6 address
|
|
sockaddr_in6 ipv6 = {};
|
|
ipv6.sin6_family = AF_INET6;
|
|
ipv6.sin6_port = htons(remotePort);
|
|
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;
|
|
ipv4.sin_port = htons(remotePort);
|
|
memcpy(&ipv4.sin_addr, addr, 4);
|
|
memcpy(&remoteAddress, &ipv4, sizeof(sockaddr_in));
|
|
}
|
|
else
|
|
{
|
|
LOGE("Unknown IP version");
|
|
// unknown address type
|
|
env->ReleasePrimitiveArrayCritical(remoteAddressArray, addr, 0);
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
env->ReleasePrimitiveArrayCritical(remoteAddressArray, addr, 0);
|
|
|
|
unsigned int packetLength = env->GetArrayLength(in_packetData);
|
|
if(packetLength == 0)
|
|
{
|
|
LOGE("Empty packet?!?");
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
void *packetData = env->GetPrimitiveArrayCritical(in_packetData, NULL);
|
|
void *localData = malloc(packetLength);
|
|
memcpy(localData, packetData, packetLength);
|
|
env->ReleasePrimitiveArrayCritical(in_packetData, packetData, 0);
|
|
|
|
uint64_t nextBackgroundTaskDeadline = 0;
|
|
|
|
ZT_ResultCode rc = ZT_Node_processWirePacket(
|
|
node,
|
|
now,
|
|
&localAddress,
|
|
&remoteAddress,
|
|
localData,
|
|
packetLength,
|
|
&nextBackgroundTaskDeadline);
|
|
if(rc != ZT_RESULT_OK)
|
|
{
|
|
LOGE("ZT_Node_processWirePacket returned: %d", rc);
|
|
}
|
|
|
|
free(localData);
|
|
|
|
jlong *outDeadline = (jlong*)env->GetPrimitiveArrayCritical(out_nextBackgroundTaskDeadline, NULL);
|
|
outDeadline[0] = (jlong)nextBackgroundTaskDeadline;
|
|
env->ReleasePrimitiveArrayCritical(out_nextBackgroundTaskDeadline, outDeadline, 0);
|
|
|
|
return createResultObject(env, rc);
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: processBackgroundTasks
|
|
* Signature: (JJ[J)Lcom/zerotier/sdk/ResultCode;
|
|
*/
|
|
JNIEXPORT jobject JNICALL Java_com_zerotier_sdk_Node_processBackgroundTasks(
|
|
JNIEnv *env, jobject obj,
|
|
jlong id,
|
|
jlong in_now,
|
|
jlongArray out_nextBackgroundTaskDeadline)
|
|
{
|
|
uint64_t nodeId = (uint64_t) id;
|
|
ZT_Node *node = findNode(nodeId);
|
|
if(node == NULL)
|
|
{
|
|
// cannot find valid node. We should never get here.
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
unsigned int nbtd_len = env->GetArrayLength(out_nextBackgroundTaskDeadline);
|
|
if(nbtd_len < 1)
|
|
{
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
uint64_t now = (uint64_t)in_now;
|
|
uint64_t nextBackgroundTaskDeadline = 0;
|
|
|
|
ZT_ResultCode rc = ZT_Node_processBackgroundTasks(node, now, &nextBackgroundTaskDeadline);
|
|
|
|
jlong *outDeadline = (jlong*)env->GetPrimitiveArrayCritical(out_nextBackgroundTaskDeadline, NULL);
|
|
outDeadline[0] = (jlong)nextBackgroundTaskDeadline;
|
|
env->ReleasePrimitiveArrayCritical(out_nextBackgroundTaskDeadline, outDeadline, 0);
|
|
|
|
return createResultObject(env, rc);
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: join
|
|
* Signature: (JJ)Lcom/zerotier/sdk/ResultCode;
|
|
*/
|
|
JNIEXPORT jobject JNICALL Java_com_zerotier_sdk_Node_join(
|
|
JNIEnv *env, jobject obj, jlong id, jlong in_nwid)
|
|
{
|
|
uint64_t nodeId = (uint64_t) id;
|
|
ZT_Node *node = findNode(nodeId);
|
|
if(node == NULL)
|
|
{
|
|
// cannot find valid node. We should never get here.
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
uint64_t nwid = (uint64_t)in_nwid;
|
|
|
|
ZT_ResultCode rc = ZT_Node_join(node, nwid, NULL);
|
|
|
|
return createResultObject(env, rc);
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: leave
|
|
* Signature: (JJ)Lcom/zerotier/sdk/ResultCode;
|
|
*/
|
|
JNIEXPORT jobject JNICALL Java_com_zerotier_sdk_Node_leave(
|
|
JNIEnv *env, jobject obj, jlong id, jlong in_nwid)
|
|
{
|
|
uint64_t nodeId = (uint64_t) id;
|
|
ZT_Node *node = findNode(nodeId);
|
|
if(node == NULL)
|
|
{
|
|
// cannot find valid node. We should never get here.
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
uint64_t nwid = (uint64_t)in_nwid;
|
|
|
|
ZT_ResultCode rc = ZT_Node_leave(node, nwid, NULL);
|
|
|
|
return createResultObject(env, rc);
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: multicastSubscribe
|
|
* Signature: (JJJJ)Lcom/zerotier/sdk/ResultCode;
|
|
*/
|
|
JNIEXPORT jobject JNICALL Java_com_zerotier_sdk_Node_multicastSubscribe(
|
|
JNIEnv *env, jobject obj,
|
|
jlong id,
|
|
jlong in_nwid,
|
|
jlong in_multicastGroup,
|
|
jlong in_multicastAdi)
|
|
{
|
|
uint64_t nodeId = (uint64_t) id;
|
|
ZT_Node *node = findNode(nodeId);
|
|
if(node == NULL)
|
|
{
|
|
// cannot find valid node. We should never get here.
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
uint64_t nwid = (uint64_t)in_nwid;
|
|
uint64_t multicastGroup = (uint64_t)in_multicastGroup;
|
|
unsigned long multicastAdi = (unsigned long)in_multicastAdi;
|
|
|
|
ZT_ResultCode rc = ZT_Node_multicastSubscribe(
|
|
node, nwid, multicastGroup, multicastAdi);
|
|
|
|
return createResultObject(env, rc);
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: multicastUnsubscribe
|
|
* Signature: (JJJJ)Lcom/zerotier/sdk/ResultCode;
|
|
*/
|
|
JNIEXPORT jobject JNICALL Java_com_zerotier_sdk_Node_multicastUnsubscribe(
|
|
JNIEnv *env, jobject obj,
|
|
jlong id,
|
|
jlong in_nwid,
|
|
jlong in_multicastGroup,
|
|
jlong in_multicastAdi)
|
|
{
|
|
uint64_t nodeId = (uint64_t) id;
|
|
ZT_Node *node = findNode(nodeId);
|
|
if(node == NULL)
|
|
{
|
|
// cannot find valid node. We should never get here.
|
|
return createResultObject(env, ZT_RESULT_FATAL_ERROR_INTERNAL);
|
|
}
|
|
|
|
uint64_t nwid = (uint64_t)in_nwid;
|
|
uint64_t multicastGroup = (uint64_t)in_multicastGroup;
|
|
unsigned long multicastAdi = (unsigned long)in_multicastAdi;
|
|
|
|
ZT_ResultCode rc = ZT_Node_multicastUnsubscribe(
|
|
node, nwid, multicastGroup, multicastAdi);
|
|
|
|
return createResultObject(env, rc);
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: address
|
|
* Signature: (J)J
|
|
*/
|
|
JNIEXPORT jlong JNICALL Java_com_zerotier_sdk_Node_address(
|
|
JNIEnv *env , jobject obj, jlong id)
|
|
{
|
|
uint64_t nodeId = (uint64_t) id;
|
|
ZT_Node *node = findNode(nodeId);
|
|
if(node == NULL)
|
|
{
|
|
// cannot find valid node. We should never get here.
|
|
return 0;
|
|
}
|
|
|
|
uint64_t address = ZT_Node_address(node);
|
|
return (jlong)address;
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: status
|
|
* Signature: (J)Lcom/zerotier/sdk/NodeStatus;
|
|
*/
|
|
JNIEXPORT jobject JNICALL Java_com_zerotier_sdk_Node_status
|
|
(JNIEnv *env, jobject obj, jlong id)
|
|
{
|
|
uint64_t nodeId = (uint64_t) id;
|
|
ZT_Node *node = findNode(nodeId);
|
|
if(node == NULL)
|
|
{
|
|
// cannot find valid node. We should never get here.
|
|
return 0;
|
|
}
|
|
|
|
jclass nodeStatusClass = NULL;
|
|
jmethodID nodeStatusConstructor = NULL;
|
|
|
|
// create a com.zerotier.sdk.NodeStatus object
|
|
nodeStatusClass = lookup.findClass("com/zerotier/sdk/NodeStatus");
|
|
if(nodeStatusClass == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
nodeStatusConstructor = lookup.findMethod(
|
|
nodeStatusClass, "<init>", "()V");
|
|
if(nodeStatusConstructor == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
jobject nodeStatusObj = env->NewObject(nodeStatusClass, nodeStatusConstructor);
|
|
if(nodeStatusObj == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
ZT_NodeStatus nodeStatus;
|
|
ZT_Node_status(node, &nodeStatus);
|
|
|
|
jfieldID addressField = NULL;
|
|
jfieldID publicIdentityField = NULL;
|
|
jfieldID secretIdentityField = NULL;
|
|
jfieldID onlineField = NULL;
|
|
|
|
addressField = lookup.findField(nodeStatusClass, "address", "J");
|
|
if(addressField == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
publicIdentityField = lookup.findField(nodeStatusClass, "publicIdentity", "Ljava/lang/String;");
|
|
if(publicIdentityField == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
secretIdentityField = lookup.findField(nodeStatusClass, "secretIdentity", "Ljava/lang/String;");
|
|
if(secretIdentityField == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
onlineField = lookup.findField(nodeStatusClass, "online", "Z");
|
|
if(onlineField == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
env->SetLongField(nodeStatusObj, addressField, nodeStatus.address);
|
|
|
|
jstring pubIdentStr = env->NewStringUTF(nodeStatus.publicIdentity);
|
|
if(pubIdentStr == NULL)
|
|
{
|
|
return NULL; // out of memory
|
|
}
|
|
env->SetObjectField(nodeStatusObj, publicIdentityField, pubIdentStr);
|
|
|
|
jstring secIdentStr = env->NewStringUTF(nodeStatus.secretIdentity);
|
|
if(secIdentStr == NULL)
|
|
{
|
|
return NULL; // out of memory
|
|
}
|
|
env->SetObjectField(nodeStatusObj, secretIdentityField, secIdentStr);
|
|
|
|
env->SetBooleanField(nodeStatusObj, onlineField, nodeStatus.online);
|
|
|
|
return nodeStatusObj;
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: networkConfig
|
|
* Signature: (J)Lcom/zerotier/sdk/VirtualNetworkConfig;
|
|
*/
|
|
JNIEXPORT jobject JNICALL Java_com_zerotier_sdk_Node_networkConfig(
|
|
JNIEnv *env, jobject obj, jlong id, jlong nwid)
|
|
{
|
|
uint64_t nodeId = (uint64_t) id;
|
|
ZT_Node *node = findNode(nodeId);
|
|
if(node == NULL)
|
|
{
|
|
// cannot find valid node. We should never get here.
|
|
return 0;
|
|
}
|
|
|
|
ZT_VirtualNetworkConfig *vnetConfig = ZT_Node_networkConfig(node, nwid);
|
|
|
|
jobject vnetConfigObject = newNetworkConfig(env, *vnetConfig);
|
|
|
|
ZT_Node_freeQueryResult(node, vnetConfig);
|
|
|
|
return vnetConfigObject;
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: version
|
|
* Signature: (J)Lcom/zerotier/sdk/Version;
|
|
*/
|
|
JNIEXPORT jobject JNICALL Java_com_zerotier_sdk_Node_version(
|
|
JNIEnv *env, jobject obj)
|
|
{
|
|
int major = 0;
|
|
int minor = 0;
|
|
int revision = 0;
|
|
|
|
ZT_version(&major, &minor, &revision);
|
|
|
|
return newVersion(env, major, minor, revision);
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: peers
|
|
* Signature: (J)[Lcom/zerotier/sdk/Peer;
|
|
*/
|
|
JNIEXPORT jobjectArray JNICALL Java_com_zerotier_sdk_Node_peers(
|
|
JNIEnv *env, jobject obj, jlong id)
|
|
{
|
|
uint64_t nodeId = (uint64_t) id;
|
|
ZT_Node *node = findNode(nodeId);
|
|
if(node == NULL)
|
|
{
|
|
// cannot find valid node. We should never get here.
|
|
return 0;
|
|
}
|
|
|
|
ZT_PeerList *peerList = ZT_Node_peers(node);
|
|
|
|
if(peerList == NULL)
|
|
{
|
|
LOGE("ZT_Node_peers returned NULL");
|
|
return NULL;
|
|
}
|
|
|
|
int peerCount = peerList->peerCount * 100;
|
|
LOGV("Ensure Local Capacity: %d", peerCount);
|
|
if(env->EnsureLocalCapacity(peerCount))
|
|
{
|
|
LOGE("EnsureLocalCapacity failed!!");
|
|
ZT_Node_freeQueryResult(node, peerList);
|
|
return NULL;
|
|
}
|
|
|
|
jclass peerClass = lookup.findClass("com/zerotier/sdk/Peer");
|
|
if(env->ExceptionCheck() || peerClass == NULL)
|
|
{
|
|
LOGE("Error finding Peer class");
|
|
ZT_Node_freeQueryResult(node, peerList);
|
|
return NULL;
|
|
}
|
|
|
|
jobjectArray peerArrayObj = env->NewObjectArray(
|
|
peerList->peerCount, peerClass, NULL);
|
|
|
|
if(env->ExceptionCheck() || peerArrayObj == NULL)
|
|
{
|
|
LOGE("Error creating Peer[] array");
|
|
ZT_Node_freeQueryResult(node, peerList);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
for(unsigned int i = 0; i < peerList->peerCount; ++i)
|
|
{
|
|
jobject peerObj = newPeer(env, peerList->peers[i]);
|
|
env->SetObjectArrayElement(peerArrayObj, i, peerObj);
|
|
if(env->ExceptionCheck())
|
|
{
|
|
LOGE("Error assigning Peer object to array");
|
|
break;
|
|
}
|
|
}
|
|
|
|
ZT_Node_freeQueryResult(node, peerList);
|
|
peerList = NULL;
|
|
|
|
return peerArrayObj;
|
|
}
|
|
|
|
/*
|
|
* Class: com_zerotier_sdk_Node
|
|
* Method: networks
|
|
* Signature: (J)[Lcom/zerotier/sdk/VirtualNetworkConfig;
|
|
*/
|
|
JNIEXPORT jobjectArray JNICALL Java_com_zerotier_sdk_Node_networks(
|
|
JNIEnv *env, jobject obj, jlong id)
|
|
{
|
|
uint64_t nodeId = (uint64_t) id;
|
|
ZT_Node *node = findNode(nodeId);
|
|
if(node == NULL)
|
|
{
|
|
// cannot find valid node. We should never get here.
|
|
return 0;
|
|
}
|
|
|
|
ZT_VirtualNetworkList *networkList = ZT_Node_networks(node);
|
|
if(networkList == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
jclass vnetConfigClass = lookup.findClass("com/zerotier/sdk/VirtualNetworkConfig");
|
|
if(env->ExceptionCheck() || vnetConfigClass == NULL)
|
|
{
|
|
LOGE("Error finding VirtualNetworkConfig class");
|
|
ZT_Node_freeQueryResult(node, networkList);
|
|
return NULL;
|
|
}
|
|
|
|
jobjectArray networkListObject = env->NewObjectArray(
|
|
networkList->networkCount, vnetConfigClass, NULL);
|
|
if(env->ExceptionCheck() || networkListObject == NULL)
|
|
{
|
|
LOGE("Error creating VirtualNetworkConfig[] array");
|
|
ZT_Node_freeQueryResult(node, networkList);
|
|
return NULL;
|
|
}
|
|
|
|
for(unsigned int i = 0; i < networkList->networkCount; ++i)
|
|
{
|
|
jobject networkObject = newNetworkConfig(env, networkList->networks[i]);
|
|
env->SetObjectArrayElement(networkListObject, i, networkObject);
|
|
if(env->ExceptionCheck())
|
|
{
|
|
LOGE("Error assigning VirtualNetworkConfig object to array");
|
|
break;
|
|
}
|
|
}
|
|
|
|
ZT_Node_freeQueryResult(node, networkList);
|
|
|
|
return networkListObject;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif |