func sendACR(c diam.Conn, cfg *sm.Settings, n int) {
// Get this client's metadata from the connection object,
// which is set by the state machine after the handshake.
// It contains the peer's Origin-Host and Realm from the
// CER/CEA handshake. We use it to populate the AVPs below.
meta, ok := smpeer.FromContext(c.Context())
if !ok {
log.Fatal("Client connection does not contain metadata")
}
var err error
var m *diam.Message
for i := 0; i < n; i++ {
m = diam.NewRequest(diam.Accounting, 0, c.Dictionary())
m.NewAVP(avp.SessionID, avp.Mbit, 0,
datatype.UTF8String(strconv.Itoa(i)))
m.NewAVP(avp.OriginHost, avp.Mbit, 0, cfg.OriginHost)
m.NewAVP(avp.OriginRealm, avp.Mbit, 0, cfg.OriginRealm)
m.NewAVP(avp.DestinationRealm, avp.Mbit, 0, meta.OriginRealm)
m.NewAVP(avp.AccountingRecordType, avp.Mbit, 0, eventRecord)
m.NewAVP(avp.AccountingRecordNumber, avp.Mbit, 0,
datatype.Unsigned32(i))
m.NewAVP(avp.DestinationHost, avp.Mbit, 0, meta.OriginHost)
if _, err = m.WriteTo(c); err != nil {
log.Fatal(err)
}
}
}
func sendHMR(c diam.Conn, cfg *sm.Settings) error {
// Get this client's metadata from the connection object,
// which is set by the state machine after the handshake.
// It contains the peer's Origin-Host and Realm from the
// CER/CEA handshake. We use it to populate the AVPs below.
meta, ok := smpeer.FromContext(c.Context())
if !ok {
return errors.New("peer metadata unavailable")
}
sid := "session;" + strconv.Itoa(int(rand.Uint32()))
m := diam.NewRequest(helloMessage, helloApplication, nil)
m.NewAVP(avp.SessionID, avp.Mbit, 0, datatype.UTF8String(sid))
m.NewAVP(avp.OriginHost, avp.Mbit, 0, cfg.OriginHost)
m.NewAVP(avp.OriginRealm, avp.Mbit, 0, cfg.OriginRealm)
m.NewAVP(avp.DestinationRealm, avp.Mbit, 0, meta.OriginRealm)
m.NewAVP(avp.DestinationHost, avp.Mbit, 0, meta.OriginHost)
m.NewAVP(avp.UserName, avp.Mbit, 0, datatype.UTF8String("foobar"))
log.Printf("Sending HMR to %s\n%s", c.RemoteAddr(), m)
_, err := m.WriteTo(c)
return err
}
// ServeDIAM implements the diam.Handler interface.
func (f handshakeOK) ServeDIAM(c diam.Conn, m *diam.Message) {
if _, ok := smpeer.FromContext(c.Context()); ok {
f(c, m)
}
}