add missing conn.go file

rwc.go

@@ -0,0 +1,80 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2014 Henry
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+package goSam
+
+import (
+	"io"
+	//"github.com/miolini/datacounter"
+)
+
+type RWC struct {
+	io.Reader
+	io.Writer
+	c io.Closer
+}
+
+func WrapRWC(c io.ReadWriteCloser) io.ReadWriteCloser {
+	rl := NewReadLogger("<", c)
+	wl := NewWriteLogger(">", c)
+
+	return &RWC{
+		Reader: rl,
+		Writer: wl,
+		c:      c,
+	}
+}
+
+func (c *RWC) Close() error {
+	return c.c.Close()
+}
+
+/*
+type Counter struct {
+	io.Reader
+	io.Writer
+	c io.Closer
+
+	Cr *datacounter.ReaderCounter
+	Cw *datacounter.WriterCounter
+}
+
+func WrapCounter(c io.ReadWriteCloser) *Counter {
+	rc := datacounter.NewReaderCounter(c)
+	wc := datacounter.NewWriterCounter(c)
+
+	return &Counter{
+		Reader: rc,
+		Writer: wc,
+		c:      c,
+
+		Cr: rc,
+		Cw: wc,
+	}
+}
+
+func (c *Counter) Close() error {
+	return c.c.Close()
+}
+*/