// Common example connect logic
func CommonConnect(exampid, tag string, l *log.Logger) (net.Conn,
*stompngo.Connection,
error) {
l.Printf("%stag:%s consess:%v common_connect_starts\n",
exampid, tag, Lcs)
// Set up the connection.
h, p := senv.HostAndPort()
hap := net.JoinHostPort(h, p)
n, e := net.Dial("tcp", hap)
if e != nil {
return nil, nil, e
}
l.Printf("%stag:%s connsess:%s common_connect_host_and_port:%v\n",
exampid, tag, Lcs,
hap)
// Create connect headers and connect to stompngo
ch := ConnectHeaders()
l.Printf("%stag:%s connsess:%s common_connect_headers headers:%v\n",
exampid, tag, Lcs,
ch)
conn, e := stompngo.Connect(n, ch)
if e != nil {
return nil, conn, e
}
l.Printf("%stag:%s connsess:%s common_connect_complete host:%s port:%s vhost:%s protocol:%s server:%s\n",
exampid, tag, conn.Session(),
h, p, senv.Vhost(), conn.Protocol(), ServerIdent(conn))
// Show connect response
l.Printf("%stag:%s connsess:%s common_connect_response connresp:%v\n",
exampid, tag, conn.Session(),
conn.ConnectResponse)
// Heartbeat Data
l.Printf("%stag:%s connsess:%s common_connect_heart_beat_send hbsend:%d\n",
exampid, tag, conn.Session(),
conn.SendTickerInterval())
l.Printf("%stag:%s connsess:%s common_connect_heart_beat_recv hbrecv:%d\n",
exampid, tag, conn.Session(),
conn.ReceiveTickerInterval())
l.Printf("%stag:%s connsess:%s common_connect_local_addr:%s\n",
exampid, tag, conn.Session(),
n.LocalAddr().String())
l.Printf("%stag:%s connsess:%s common_connect_remote_addr:%s\n",
exampid, tag, conn.Session(),
n.RemoteAddr().String())
//
return n, conn, nil
}
func ShowRunParms(exampid string) {
llu.Printf("%sHOST:%v\n", exampid, os.Getenv("STOMP_HOST"))
llu.Printf("%sPORT:%v\n", exampid, os.Getenv("STOMP_PORT"))
llu.Printf("%sPROTOCOL:%v\n", exampid, senv.Protocol())
llu.Printf("%sVHOST:%v\n", exampid, senv.Vhost())
llu.Printf("%sNQS:%v\n", exampid, Nqs())
llu.Printf("%sNMSGS:%v\n", exampid, senv.Nmsgs())
llu.Printf("%sSUBCHANCAP:%v\n", exampid, senv.SubChanCap())
llu.Printf("%sRECVFACT:%v\n", exampid, RecvFactor())
llu.Printf("%sSENDFACT:%v\n", exampid, SendFactor())
llu.Printf("%sRECVWAIT:%t\n", exampid, RecvWait())
llu.Printf("%sSENDWAIT:%t\n", exampid, SendWait())
llu.Printf("%sACKMODE:%v\n", exampid, AckMode())
}
// Provide connect headers
func ConnectHeaders() stompngo.Headers {
h := stompngo.Headers{}
l := senv.Login()
if l != "" {
h = h.Add("login", l)
}
pc := senv.Passcode()
if pc != "" {
h = h.Add("passcode", pc)
}
//
p := senv.Protocol()
if p != stompngo.SPL_10 { // 1.1 and 1.2
h = h.Add("accept-version", p).Add("host", senv.Vhost())
hb := senv.Heartbeats()
if hb != "" {
h = h.Add("heart-beat", hb)
}
}
//
return h
}
// Common example TLS connect logic
func CommonTLSConnect(exampid, tag string, l *log.Logger,
c *tls.Config) (net.Conn, *stompngo.Connection, error) {
l.Printf("%stag:%s consess:%s common_tls_connect_starts\n",
exampid, tag, Lcs)
// Set up the connection.
h, p := senv.HostAndPort()
hap := net.JoinHostPort(h, p)
n, e := net.Dial("tcp", hap)
if e != nil {
return nil, nil, e
}
c.ServerName = h // SNI
nc := tls.Client(n, c) // Returns: *tls.Conn : implements net.Conn
e = nc.Handshake()
if e != nil {
if e.Error() == "EOF" {
l.Printf("%stag:%s consess:%s common_tls_handshake_EOF_Is_the_broker_port_TLS_enabled? port:%s\n",
exampid, tag, Lcs,
p)
}
l.Fatalf("%stag:%s consess:%s common_tls_handshake_failed error:%v\n",
exampid, tag, Lcs,
e.Error())
}
l.Printf("%stag:%s consess:%s common_tls_handshake_complete\n",
exampid, tag, Lcs)
l.Printf("%stag:%s connsess:%s common_tls_connect_host_and_port:%v\n",
exampid, tag, Lcs,
hap)
// Create connect headers and connect to stompngo
ch := ConnectHeaders()
l.Printf("%stag:%s connsess:%s common_tls_connect_headers headers:%v\n",
exampid, tag, Lcs,
ch)
conn, e := stompngo.Connect(nc, ch)
if e != nil {
return nil, nil, e
}
l.Printf("%stag:%s connsess:%s common_tls_connect_complete host:%s vhost:%s protocol:%s server:%s\n",
exampid, tag, conn.Session(),
h, senv.Vhost(), conn.Protocol(), ServerIdent(conn))
// Show connect response
l.Printf("%stag:%s connsess:%s common_tls_connect_response connresp:%v\n",
exampid, tag, conn.Session(),
conn.ConnectResponse)
// Show heartbeat data (if heart beats are being used)
if senv.Heartbeats() != "" {
l.Printf("%stag:%s connsess:%s common_tls_connect_heart_beat_send hbsend:%v\n",
exampid, tag, conn.Session(),
conn.SendTickerInterval())
l.Printf("%stag:%s connsess:%s common_tls_connect_heart_beat_recv hbrecv:%v\n",
exampid, tag, conn.Session(),
conn.ReceiveTickerInterval())
}
l.Printf("%stag:%s connsess:%s common_tls_connect_local_addr:%s\n",
exampid, tag, conn.Session(),
n.LocalAddr().String())
l.Printf("%stag:%s connsess:%s common_tls_connect_remote_addr:%s\n",
exampid, tag, conn.Session(),
n.RemoteAddr().String())
//
return nc, conn, nil
}