74 lines
1.1 KiB
Go
74 lines
1.1 KiB
Go
package dtls
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import (
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"bytes"
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"net"
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"github.com/go-gost/core/common/bufpool"
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)
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type dtlsConn struct {
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net.Conn
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rbuf bytes.Buffer
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bufferSize int
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}
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func Conn(c net.Conn, bufferSize int) net.Conn {
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return &dtlsConn{
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Conn: c,
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bufferSize: bufferSize,
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}
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}
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func (c *dtlsConn) Read(p []byte) (n int, err error) {
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/*
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defer func() {
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logger.Default().Debugf("dtls: read data %d/%d, %v", n, len(p), err)
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}()
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*/
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if c.rbuf.Len() > 0 {
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return c.rbuf.Read(p)
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}
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bufferSize := c.bufferSize
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if len(p) >= bufferSize {
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return c.Conn.Read(p)
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}
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buf := bufpool.Get(bufferSize)
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defer bufpool.Put(buf)
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nn, err := c.Conn.Read(*buf)
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if err != nil {
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return 0, err
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}
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n = copy(p, (*buf)[:nn])
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c.rbuf.Write((*buf)[n:nn])
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return
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}
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func (c *dtlsConn) Write(p []byte) (n int, err error) {
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/*
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defer func() {
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logger.Default().Debugf("dtls: write data %d, %v", n, err)
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}()
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*/
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for len(p) > 0 {
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nn := c.bufferSize
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if nn > len(p) {
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nn = len(p)
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}
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nn, err = c.Conn.Write(p[:nn])
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n += nn
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if err != nil {
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return
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}
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p = p[nn:]
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}
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return
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}
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