mirror of
https://github.com/cwinfo/yggdrasil-go.git
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80 lines
1.4 KiB
Go
80 lines
1.4 KiB
Go
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package yggdrasil
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// These are misc. utility functions that didn't really fit anywhere else
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import "fmt"
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import "runtime"
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//import "sync"
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func Util_testAddrIDMask() {
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for idx := 0 ; idx < 16 ; idx++ {
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var orig NodeID
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orig[8] = 42
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for bidx := 0 ; bidx < idx ; bidx++ {
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orig[bidx/8] |= (0x80 >> uint8(bidx % 8))
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}
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addr := address_addrForNodeID(&orig)
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nid, mask := addr.getNodeIDandMask()
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for b := 0 ; b < len(mask) ; b++ {
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nid[b] &= mask[b]
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orig[b] &= mask[b]
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}
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if *nid != orig {
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fmt.Println(orig)
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fmt.Println(*addr)
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fmt.Println(*nid)
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fmt.Println(*mask)
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panic(idx)
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}
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}
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}
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func util_yield() {
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runtime.Gosched()
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}
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func util_lockthread() {
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runtime.LockOSThread()
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}
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func util_unlockthread() {
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runtime.UnlockOSThread()
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}
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/*
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var byteStore sync.Pool = sync.Pool{
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New: func () interface{} { return []byte(nil) },
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}
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func util_getBytes() []byte {
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return byteStore.Get().([]byte)[:0]
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}
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func util_putBytes(bs []byte) {
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byteStore.Put(bs) // FIXME? The cast to interface{} allocates...
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}
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*/
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var byteStore chan []byte
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func util_initByteStore() {
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if byteStore == nil {
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byteStore = make(chan []byte, 32)
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}
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}
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func util_getBytes() []byte {
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select {
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case bs := <-byteStore: return bs[:0]
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default: return nil
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}
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}
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func util_putBytes(bs []byte) {
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select {
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case byteStore<-bs:
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default:
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}
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}
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