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package framestream
import (
"io"
"net"
"time"
)
type timeoutConn struct {
conn net.Conn
readTimeout, writeTimeout time.Duration
}
func (toc *timeoutConn) Write(b []byte) (int, error) {
if toc.writeTimeout != 0 {
toc.conn.SetWriteDeadline(time.Now().Add(toc.writeTimeout))
}
return toc.conn.Write(b)
}
func (toc *timeoutConn) Read(b []byte) (int, error) {
if toc.readTimeout != 0 {
toc.conn.SetReadDeadline(time.Now().Add(toc.readTimeout))
}
return toc.conn.Read(b)
}
func timeoutWriter(w io.Writer, opt *WriterOptions) io.Writer {
if !opt.Bidirectional {
return w
}
if opt.Timeout == 0 {
return w
}
if c, ok := w.(net.Conn); ok {
return &timeoutConn{
conn: c,
readTimeout: opt.Timeout,
writeTimeout: opt.Timeout,
}
}
return w
}
func timeoutReader(r io.Reader, opt *ReaderOptions) io.Reader {
if !opt.Bidirectional {
return r
}
if opt.Timeout == 0 {
return r
}
if c, ok := r.(net.Conn); ok {
return &timeoutConn{
conn: c,
readTimeout: opt.Timeout,
writeTimeout: opt.Timeout,
}
}
return r
}
func disableReadTimeout(r io.Reader) {
if tc, ok := r.(*timeoutConn); ok {
tc.readTimeout = 0
tc.conn.SetReadDeadline(time.Time{})
}
}
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