first version of go-sonic, missing lot of stuff

sonic/connector.go

@@ -0,0 +1,68 @@
+package sonic
+
+import (
+	"bufio"
+	"bytes"
+	"errors"
+	"fmt"
+	"net"
+	"strings"
+)
+
+type Connection struct {
+	Host     string
+	Port     int
+	Password string
+	Channel  Channel
+
+	reader *bufio.Reader
+	conn   net.Conn
+}
+
+func (c *Connection) Connect() error {
+	if !IsChannelValid(c.Channel) {
+		return errors.New("invalid channel name")
+	}
+
+	conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", c.Host, c.Port))
+	if err != nil {
+		return err
+	} else {
+		c.conn = conn
+		c.reader = bufio.NewReader(c.conn)
+
+		err := c.write(fmt.Sprintf("START %s %s", c.Channel, c.Password))
+		if err != nil {
+			return err
+		}
+
+		_, err = c.read()
+		_, err = c.read()
+		if err != nil {
+			return err
+		}
+		return nil
+	}
+}
+
+func (c Connection) read() (string, error) {
+	buffer := bytes.Buffer{}
+	for {
+		line, isPrefix, err := c.reader.ReadLine()
+		buffer.Write(line)
+		if err != nil || !isPrefix {
+			break
+		}
+	}
+
+	str := buffer.String()
+	if strings.HasPrefix(str, "ERR ") {
+		return "", errors.New(str[4:])
+	}
+	return str, nil
+}
+
+func (c Connection) write(str string) error {
+	_, err := c.conn.Write([]byte(str + "\r\n"))
+	return err
+}