/
socket.go
89 lines (78 loc) · 1.52 KB
/
socket.go
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// Copyright 2014 Helton Marques
//
// Use of this source code is governed by a LGPL
// license that can be found in the LICENSE file.
//
package ami
import (
"bufio"
"bytes"
"errors"
"fmt"
"net"
)
type Socket struct {
conn net.Conn
buffer *bufio.Reader
address string
}
func (self *Socket) Connected() bool {
if self.conn == nil {
return false
}
return true
}
func (self *Socket) Disconnect() error {
if self.conn != nil {
return self.conn.Close()
}
return nil
}
func (self *Socket) Connect() error {
if self.Connected() {
self.Disconnect()
}
var err error
self.conn, err = net.Dial("tcp", self.address)
// connected succesfull
if err == nil {
self.buffer = bufio.NewReaderSize(self.conn, 8192)
}
return err
}
func (self *Socket) Send(format string, a ...interface{}) error {
if !self.Connected() {
return errors.New("Not connected to AMI\n")
}
m := fmt.Sprintf(format, a...)
fmt.Fprint(self.conn, m)
return nil
}
func (self *Socket) Recv() (string, error) {
bytesRead := make([]byte, 0)
var readLine []byte
var err error
for {
readLine, err = self.buffer.ReadBytes('\n')
if err != nil {
return "", nil
}
bytesRead = append(bytesRead, readLine...)
if len(bytes.TrimSpace(readLine)) == 0 {
break
} else if self.buffer.Buffered() == 0 {
return string(bytesRead), nil
}
}
return string(bytesRead), nil
}
func NewSocket(address string) (*Socket, error) {
socket := Socket{
address: address,
}
err := socket.Connect()
if err != nil {
return nil, err
}
return &socket, nil
}