// Connect to a STOMP broker using TLS and disconnect.
func main() {
st := time.Now()
ll.Printf("%stag:%s connsess:%s starts\n",
exampid, tag, sngecomm.Lcs)
flag.Parse() // Parse flags
ll.Printf("%stag:%s connsess:%s main_using_srvCAFile:%s\n",
exampid, tag, sngecomm.Lcs,
srvCAFile)
// TLS Configuration.
tc = new(tls.Config)
tc.InsecureSkipVerify = false // *Do* check the broker's certificate
// Be polite, allow SNI (Server Virtual Hosting)
tc.ServerName = senv.Host()
// Usually one will use the default cipher suites that go provides.
// However, if a custom cipher squite list is needed/required this
// is how it is accomplished.
if sngecomm.UseCustomCiphers() { // Set custom cipher suite list
tc.CipherSuites = append(tc.CipherSuites, sngecomm.CustomCiphers()...)
}
// Finish TLS Config initialization, so client can authenticate broker.
b, e := ioutil.ReadFile(srvCAFile) // Read broker's CA cert (PEM)
if e != nil {
ll.Fatalf("%stag:%s connsess:%s main_read_file error:%v",
exampid, tag, sngecomm.Lcs,
e.Error()) // Handle this ......
}
k, _ := pem.Decode(b) // Decode PEM format (*pem.Block)
if k == nil {
ll.Fatalf("%stag:%s connsess:%s main_decode error:%v",
exampid, tag, sngecomm.Lcs,
e.Error()) // Handle this ......
}
c, e := x509.ParseCertificate(k.Bytes) // Create *x509.Certificate
if e != nil {
ll.Fatalf("%stag:%s connsess:%s main_parse_cert error:%v",
exampid, tag, sngecomm.Lcs,
e.Error()) // Handle this ......
}
tc.RootCAs = x509.NewCertPool() // Create a cert "pool"
tc.RootCAs.AddCert(c) // Add the CA cert to the pool
// Standard example TLS connect sequence
n, conn, e := sngecomm.CommonTLSConnect(exampid, tag, ll, tc)
if e != nil {
ll.Fatalf("%stag:%s connsess:%s main_on_connect error:%v",
exampid, tag, sngecomm.Lcs,
e.Error()) // Handle this ......
}
nc := n.(*tls.Conn)
sngecomm.DumpTLSConfig(exampid, tc, nc)
// *NOTE* application specific functionaltiy starts here!
// For you to add.
// *NOTE* application specific functionaltiy ends here!
// Standard example disconnect sequence
e = sngecomm.CommonDisconnect(n, conn, exampid, tag, ll)
if e != nil {
ll.Fatalf("%s %s\n", exampid, e.Error()) // Handle this ......
}
ll.Printf("%stag:%s connsess:%s main_elapsed:%v\n",
exampid, tag, conn.Session(),
time.Now().Sub(st))
}
// Connect to a STOMP broker using TLS and disconnect.
func main() {
st := time.Now()
ll.Printf("%stag:%s connsess:%s starts\n",
exampid, tag, sngecomm.Lcs)
flag.Parse() // Parse flags
ll.Printf("%stag:%s connsess:%s main_using_cliCertFile:%s\n",
exampid, tag, sngecomm.Lcs,
cliCertFile)
ll.Printf("%stag:%s connsess:%s main_using_cliKeyFile:%s\n",
exampid, tag, sngecomm.Lcs,
cliKeyFile)
// TLS Configuration.
tc = new(tls.Config)
tc.InsecureSkipVerify = true // Do *not* check the broker's certificate
// Be polite, allow SNI (Server Virtual Hosting)
tc.ServerName = senv.Host()
// Usually one will use the default cipher suites that go provides.
// However, if a custom cipher squite list is needed/required this
// is how it is accomplished.
if sngecomm.UseCustomCiphers() { // Set custom cipher suite list
tc.CipherSuites = append(tc.CipherSuites, sngecomm.CustomCiphers()...)
}
// Finish TLS Config initialization, so broker can authenticate client.
// cc -> tls.Certificate
cc, e := tls.LoadX509KeyPair(cliCertFile, cliKeyFile)
if e != nil {
ll.Fatalf("%stag:%s connsess:%s main_load_pair error:%v",
exampid, tag, sngecomm.Lcs,
e.Error()) // Handle this ......
}
// Add cert to config
tc.Certificates = append(tc.Certificates, cc)
// This is OK, but does not seem to be required
tc.BuildNameToCertificate() // Build names map
// Standard example TLS connect sequence
n, conn, e := sngecomm.CommonTLSConnect(exampid, tag, ll, tc)
if e != nil {
ll.Fatalf("%stag:%s connsess:%s main_on_connect error:%v",
exampid, tag, sngecomm.Lcs,
e.Error()) // Handle this ......
}
nc := n.(*tls.Conn)
sngecomm.DumpTLSConfig(exampid, tc, nc)
// *NOTE* application specific functionaltiy starts here!
// For you to add.
// *NOTE* application specific functionaltiy ends here!
// Standard example disconnect sequence
e = sngecomm.CommonDisconnect(n, conn, exampid, tag, ll)
if e != nil {
ll.Fatalf("%s %s\n", exampid, e.Error()) // Handle this ......
}
ll.Printf("%stag:%s connsess:%s main_elapsed:%v\n",
exampid, tag, conn.Session(),
time.Now().Sub(st))
}