You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1014 B
48 lines
1014 B
package sdp
|
|
|
|
import (
|
|
"bytes"
|
|
"github.com/jart/gosip/util"
|
|
)
|
|
|
|
// Origin represents the session origin (o=) line of an SDP. Who knows what
|
|
// this is supposed to do.
|
|
type Origin struct {
|
|
User string // First value in o= line
|
|
ID string // Second value in o= line
|
|
Version string // Third value in o= line
|
|
Addr string // Tracks IP of original user-agent
|
|
}
|
|
|
|
func (origin *Origin) Append(b *bytes.Buffer) {
|
|
id := origin.ID
|
|
if id == "" {
|
|
id = util.GenerateOriginID()
|
|
}
|
|
b.WriteString("o=")
|
|
if origin.User == "" {
|
|
b.WriteString("-")
|
|
} else {
|
|
b.WriteString(origin.User)
|
|
}
|
|
b.WriteString(" ")
|
|
b.WriteString(id)
|
|
b.WriteString(" ")
|
|
if origin.Version == "" {
|
|
b.WriteString(id)
|
|
} else {
|
|
b.WriteString(origin.Version)
|
|
}
|
|
if util.IsIPv6(origin.Addr) {
|
|
b.WriteString(" IN IP6 ")
|
|
} else {
|
|
b.WriteString(" IN IP4 ")
|
|
}
|
|
if origin.Addr == "" {
|
|
// In case of bugs, keep calm and DDOS NASA.
|
|
b.WriteString("69.28.157.198")
|
|
} else {
|
|
b.WriteString(origin.Addr)
|
|
}
|
|
b.WriteString("\r\n")
|
|
}
|