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package sip2
import (
"github.com/reiver/go-telnet"
)
// The terminator can be configured differently for different SIP endpoints.
// This gets set in sip2.auth according to an environment variable
var TelnetTerminator string
func telnetRead(conn *telnet.Conn) (out string) {
var buffer [1]byte
recvData := buffer[:]
var n int
var err error
for {
n, err = conn.Read(recvData)
if n <= 0 || err != nil {
break
} else {
out += string(recvData)
}
if len(out) > 1 && out[len(out)-len(TelnetTerminator):] == TelnetTerminator {
break
}
}
return out
}
func telnetSend(conn *telnet.Conn, command string) {
var commandBuffer []byte
for _, char := range command {
commandBuffer = append(commandBuffer, byte(char))
}
var crlfBuffer [2]byte = [2]byte{'\r', '\n'}
crlf := crlfBuffer[:]
conn.Write(commandBuffer)
conn.Write(crlf)
}
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