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https://github.com/cwinfo/yggdrasil-go.git
synced 2024-11-22 16:30:27 +00:00
WARNING: CRYPTO DISABLED while speeding up stream writeMsg
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parent
1e6a6d2160
commit
f52955ee0f
@ -172,6 +172,7 @@ func BoxOpen(shared *BoxSharedKey,
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boxed []byte,
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nonce *BoxNonce) ([]byte, bool) {
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out := util.GetBytes()
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return append(out, boxed...), true
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s := (*[BoxSharedKeyLen]byte)(shared)
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n := (*[BoxNonceLen]byte)(nonce)
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unboxed, success := box.OpenAfterPrecomputation(out, boxed, n, s)
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@ -184,6 +185,7 @@ func BoxSeal(shared *BoxSharedKey, unboxed []byte, nonce *BoxNonce) ([]byte, *Bo
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}
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nonce.Increment()
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out := util.GetBytes()
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return append(out, unboxed...), nonce
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s := (*[BoxSharedKeyLen]byte)(shared)
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n := (*[BoxNonceLen]byte)(nonce)
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boxed := box.SealAfterPrecomputation(out, unboxed, n, s)
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@ -34,6 +34,15 @@ func PutBytes(bs []byte) {
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byteStore.Put(bs)
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}
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// Gets a slice of the appropriate length, reusing existing slice capacity when possible
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func ResizeBytes(bs []byte, length int) []byte {
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if cap(bs) >= length {
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return bs[:length]
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} else {
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return make([]byte, length)
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}
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}
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// This is a workaround to go's broken timer implementation
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func TimerStop(t *time.Timer) bool {
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stopped := t.Stop()
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@ -127,7 +127,6 @@ func (r *router) mainLoop() {
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r.core.switchTable.doMaintenance()
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r.core.dht.doMaintenance()
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r.core.sessions.cleanup()
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util.GetBytes() // To slowly drain things
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}
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case f := <-r.admin:
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f()
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@ -4,6 +4,7 @@ import (
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"errors"
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"fmt"
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"io"
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"net"
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"github.com/yggdrasil-network/yggdrasil-go/src/util"
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)
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@ -12,10 +13,11 @@ import (
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var _ = linkInterfaceMsgIO(&stream{})
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type stream struct {
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rwc io.ReadWriteCloser
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inputBuffer []byte // Incoming packet stream
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frag [2 * streamMsgSize]byte // Temporary data read off the underlying rwc, on its way to the inputBuffer
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outputBuffer [2 * streamMsgSize]byte // Temporary data about to be written to the rwc
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rwc io.ReadWriteCloser
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inputBuffer []byte // Incoming packet stream
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frag [2 * streamMsgSize]byte // Temporary data read off the underlying rwc, on its way to the inputBuffer
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//outputBuffer [2 * streamMsgSize]byte // Temporary data about to be written to the rwc
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outputBuffer net.Buffers
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}
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func (s *stream) close() error {
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@ -35,14 +37,17 @@ func (s *stream) init(rwc io.ReadWriteCloser) {
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// writeMsg writes a message with stream padding, and is *not* thread safe.
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func (s *stream) writeMsg(bs []byte) (int, error) {
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buf := s.outputBuffer[:0]
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buf = append(buf, streamMsg[:]...)
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buf = wire_put_uint64(uint64(len(bs)), buf)
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padLen := len(buf)
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buf = append(buf, bs...)
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buf = append(buf, streamMsg[:])
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l := wire_put_uint64(uint64(len(bs)), util.GetBytes())
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defer util.PutBytes(l)
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buf = append(buf, l)
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padLen := len(buf[0]) + len(buf[1])
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buf = append(buf, bs)
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totalLen := padLen + len(bs)
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var bn int
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for bn < len(buf) {
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n, err := s.rwc.Write(buf[bn:])
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bn += n
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for bn < totalLen {
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n, err := buf.WriteTo(s.rwc)
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bn += int(n)
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if err != nil {
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l := bn - padLen
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if l < 0 {
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@ -820,7 +820,7 @@ func (t *switchTable) doWorker() {
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select {
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case bs := <-t.toRouter:
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buf = append(buf, bs)
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for len(buf) > 32 {
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for len(buf) > 32768 { // FIXME realistically don't drop anything, just for testing
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util.PutBytes(buf[0])
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buf = buf[1:]
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}
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