ZeroTierOne/go/pkg/zerotier/node.go
Adam Ierymenko b34aa10bf8
Go code!
2019-09-20 18:48:48 -07:00

129 lines
3.1 KiB
Go

/*
* Copyright (c)2019 ZeroTier, Inc.
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file in the project's root directory.
*
* Change Date: 2023-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2.0 of the Apache License.
*/
/****/
package zerotier
//#cgo CFLAGS: -O3
//#cgo LDFLAGS: ${SRCDIR}/../../../build/node/libzt_core.a ${SRCDIR}/../../../build/go/native/libzt_go_native.a -lc++
//#define ZT_CGO 1
//#include <stdint.h>
//#include "../../native/GoGlue.h"
//#if __has_include("../../../version.h")
//#include "../../../version.h"
//#else
//#define ZEROTIER_ONE_VERSION_MAJOR 255
//#define ZEROTIER_ONE_VERSION_MINOR 255
//#define ZEROTIER_ONE_VERSION_REVISION 255
//#define ZEROTIER_ONE_VERSION_BUILD 255
//#endif
import "C"
import (
"net"
"runtime"
"sync"
"sync/atomic"
"unsafe"
)
const (
// CoreVersionMajor is the major version of the ZeroTier core
CoreVersionMajor int = C.ZEROTIER_ONE_VERSION_MAJOR
// CoreVersionMinor is the minor version of the ZeroTier core
CoreVersionMinor int = C.ZEROTIER_ONE_VERSION_MINOR
// CoreVersionRevision is the revision of the ZeroTier core
CoreVersionRevision int = C.ZEROTIER_ONE_VERSION_REVISION
// CoreVersionBuild is the build version of the ZeroTier core
CoreVersionBuild int = C.ZEROTIER_ONE_VERSION_BUILD
)
// Tap is an instance of an EthernetTap object
type Tap struct {
tap *C.ZT_GoTap
networkStatus uint32
}
// Node is an instance of a ZeroTier node
type Node struct {
gn *C.ZT_GoNode
zn *C.ZT_Node
taps map[uint64]*Tap
tapsLock sync.RWMutex
online uint32
running uint32
}
// NewNode creates and initializes a new instance of the ZeroTier node service
func NewNode() *Node {
n := new(Node)
gnRawAddr := uintptr(unsafe.Pointer(n.gn))
nodesByUserPtrLock.Lock()
nodesByUserPtr[gnRawAddr] = n
nodesByUserPtrLock.Unlock()
runtime.SetFinalizer(n, func(obj interface{}) { // make sure this always happens
nodesByUserPtrLock.Lock()
delete(nodesByUserPtr, gnRawAddr)
nodesByUserPtrLock.Unlock()
})
n.running = 1
return n
}
// Close closes this Node and frees its underlying C++ Node structures
func (n *Node) Close() {
if atomic.SwapUint32(&n.running, 0) != 0 {
C.ZT_GoNode_delete(n.gn)
nodesByUserPtrLock.Lock()
delete(nodesByUserPtr, uintptr(unsafe.Pointer(n.gn)))
nodesByUserPtrLock.Unlock()
}
}
func (n *Node) pathCheck(ztAddress uint64, af int, ip net.IP, port int) bool {
return true
}
func (n *Node) pathLookup(ztAddress uint64) (net.IP, int) {
return nil, 0
}
func (n *Node) stateObjectPut(objType int, id [2]uint64, data []byte) {
}
func (n *Node) stateObjectDelete(objType int, id [2]uint64) {
}
func (n *Node) stateObjectGet(objType int, id [2]uint64) ([]byte, bool) {
return nil, false
}
func (n *Node) handleTrace(traceMessage string) {
}
func (n *Node) handleUserMessage(originAddress, messageTypeID uint64, data []byte) {
}
func (n *Node) handleRemoteTrace(originAddress uint64, dictData []byte) {
}
func (n *Node) handleNetworkConfigUpdate(op int, config *C.ZT_VirtualNetworkConfig) int {
return 0
}