/
connection.go
75 lines (62 loc) · 1.44 KB
/
connection.go
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package main
import (
"context"
"net"
"time"
)
var ZEROTIME time.Time
var EPOCH = time.Unix(0, 0)
type WrappedConn interface {
Read(p []byte) (n int, err error)
Write(p []byte) (n int, err error)
Close() error
LocalAddr() net.Addr
RemoteAddr() net.Addr
SetDeadline(t time.Time) error
SetReadDeadline(t time.Time) error
SetWriteDeadline(t time.Time) error
ReadContext(ctx context.Context, p []byte) (n int, err error)
}
type wrappedConn struct {
conn net.Conn
logger *CondLogger
}
func (c *wrappedConn) Read(p []byte) (n int, err error) {
return c.conn.Read(p)
}
func (c *wrappedConn) Write(p []byte) (n int, err error) {
return c.conn.Write(p)
}
func (c *wrappedConn) Close() error {
return c.conn.Close()
}
func (c *wrappedConn) LocalAddr() net.Addr {
return c.conn.LocalAddr()
}
func (c *wrappedConn) RemoteAddr() net.Addr {
return c.conn.RemoteAddr()
}
func (c *wrappedConn) SetDeadline(t time.Time) error {
return c.conn.SetDeadline(t)
}
func (c *wrappedConn) SetReadDeadline(t time.Time) error {
return c.conn.SetReadDeadline(t)
}
func (c *wrappedConn) SetWriteDeadline(t time.Time) error {
return c.conn.SetWriteDeadline(t)
}
func (c *wrappedConn) ReadContext(ctx context.Context, p []byte) (n int, err error) {
ch := make(chan struct{}, 1)
go func() {
n, err = c.conn.Read(p)
ch <- struct{}{}
}()
select {
case <-ctx.Done():
c.conn.SetReadDeadline(EPOCH)
<-ch
c.conn.SetReadDeadline(ZEROTIME)
case <-ch:
}
return
}