initial commit

src/irc/net.go

@@ -0,0 +1,46 @@
+package irc
+
+import (
+	"bufio"
+	"log"
+	"net"
+)
+
+// Adapt `net.Conn` to a `chan string`.
+func NewStringChan(conn net.Conn) chan string {
+	ch := make(chan string)
+	rw := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
+
+	done := make(chan bool)
+	go func() {
+		<- done
+		close(ch)
+	}()
+
+	// conn -> ch
+	go func() {
+		for {
+			line, err := rw.ReadString('\n')
+			if err != nil {
+				log.Print("StringChan[read]: %v", err)
+				break
+			}
+			ch <- line
+		}
+		done <- true
+	}()
+
+	// ch -> conn
+	go func() {
+		for str := range ch {
+			if _, err := rw.WriteString(str + "\r\n"); err != nil {
+				log.Print("StringChan[write]: %v", err)
+				break
+			}
+			rw.Flush()
+		}
+		done <- true
+	}()
+
+	return ch
+}