func subscribe(w http.ResponseWriter, r *http.Request) {
var errorChannel = make(chan []byte)
var subscribeChannel = make(chan []byte)
messaging.LoggingEnabled(true)
messaging.SetLogOutput(os.Stdout)
pubInstance := messaging.NewPubnub(publishKey, subscribeKey, secretKey, "", true, "")
go pubInstance.Subscribe("test2", "", subscribeChannel, false, errorChannel)
go handleSubscribeResult(subscribeChannel, errorChannel, "Subscribe")
}
// Init asks the user the basic settings to initialize to the pubnub struct.
// Settings include the pubnub channel(s) to connect to.
// Ssl settings
// Cipher key
// Secret Key
// Custom Uuid
// Proxy details
//
// The method returns false if the channel name is not provided.
//
// returns: a bool, true if the user completed the initail settings.
func Init() (b bool) {
fmt.Println("")
fmt.Println(messaging.VersionInfo())
messaging.SetMaxIdleConnsPerHost(20)
fmt.Println("")
fmt.Println("Please enter the channel name(s). Enter multiple channels separated by comma without spaces.")
reader := bufio.NewReader(os.Stdin)
line, _, err := reader.ReadLine()
if err != nil {
fmt.Println(err)
} else {
connectChannels = string(line)
if strings.TrimSpace(connectChannels) != "" {
fmt.Println("Channel: ", connectChannels)
fmt.Println("Enable SSL? Enter y for Yes, n for No.")
var enableSsl string
fmt.Scanln(&enableSsl)
if enableSsl == "y" || enableSsl == "Y" {
ssl = true
fmt.Println("SSL enabled")
} else {
ssl = false
fmt.Println("SSL disabled")
}
fmt.Println("Please enter a subscribe key, leave blank for default key.")
fmt.Scanln(&subscribeKey)
if strings.TrimSpace(subscribeKey) == "" {
subscribeKey = "demo"
}
fmt.Println("Subscribe Key: ", subscribeKey)
fmt.Println("")
fmt.Println("Please enter a publish key, leave blank for default key.")
fmt.Scanln(&publishKey)
if strings.TrimSpace(publishKey) == "" {
publishKey = "demo"
}
fmt.Println("Publish Key: ", publishKey)
fmt.Println("")
fmt.Println("Please enter a secret key, leave blank for default key.")
fmt.Scanln(&secretKey)
if strings.TrimSpace(secretKey) == "" {
secretKey = "demo"
}
fmt.Println("Secret Key: ", secretKey)
fmt.Println("")
fmt.Println("Please enter a CIPHER key, leave blank if you don't want to use this.")
fmt.Scanln(&cipher)
fmt.Println("Cipher: ", cipher)
fmt.Println("Please enter a Custom UUID, leave blank for default.")
fmt.Scanln(&uuid)
fmt.Println("UUID: ", uuid)
fmt.Println("Display error messages? Enter y for Yes, n for No. Default is Yes")
var enableErrorMessages = "y"
fmt.Scanln(&enableErrorMessages)
if enableErrorMessages == "y" || enableErrorMessages == "Y" {
displayError = true
fmt.Println("Error messages will be displayed")
} else {
displayError = false
fmt.Println("Error messages will not be displayed")
}
fmt.Println("Enable resume on reconnect? Enter y for Yes, n for No. Default is Yes")
var enableResumeOnReconnect = "y"
fmt.Scanln(&enableResumeOnReconnect)
if enableResumeOnReconnect == "y" || enableResumeOnReconnect == "Y" {
messaging.SetResumeOnReconnect(true)
fmt.Println("Resume on reconnect enabled")
} else {
messaging.SetResumeOnReconnect(false)
fmt.Println("Resume on reconnect disabled")
}
fmt.Println("Set subscribe timeout? Enter numerals.")
var subscribeTimeout = ""
fmt.Scanln(&subscribeTimeout)
val, err := strconv.Atoi(subscribeTimeout)
if err != nil {
fmt.Println("Entered value is invalid. Using default value.")
} else {
messaging.SetSubscribeTimeout(uint16(val))
}
fmt.Println("Enable logging? Enter y for Yes, n for No. Default is Yes")
var enableLogging = "y"
fmt.Scanln(&enableLogging)
if enableLogging == "y" || enableLogging == "Y" {
messaging.LoggingEnabled(true)
logfileName := "pubnubMessaging.log"
f, err := os.OpenFile(logfileName, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
fmt.Println("error opening file: ", err.Error())
fmt.Println("Logging disabled")
} else {
fmt.Println("Logging enabled writing to ", logfileName)
messaging.SetLogOutput(f)
}
} else {
messaging.SetResumeOnReconnect(false)
fmt.Println("Logging disabled")
}
messaging.SetOrigin("pubsub.pubnub.com")
var pubInstance = messaging.NewPubnub(publishKey, subscribeKey, secretKey, cipher, ssl, uuid)
pub = pubInstance
SetupProxy()
presenceHeartbeat := askNumber16("Presence Heartbeat", true)
pub.SetPresenceHeartbeat(presenceHeartbeat)
fmt.Println(fmt.Sprintf("Presence Heartbeat set to :%d", pub.GetPresenceHeartbeat()))
presenceHeartbeatInterval := askNumber16("Presence Heartbeat Interval", true)
pub.SetPresenceHeartbeat(presenceHeartbeatInterval)
fmt.Println(fmt.Sprintf("Presence Heartbeat set to :%d", pub.GetPresenceHeartbeat()))
fmt.Println("Pubnub instance initialized")
return true
}
fmt.Println("Channel cannot be empty.")
}
return false
}