package messaging import ( "git.fjla.uk/owlboard/timetable-mgr/helpers" "git.fjla.uk/owlboard/timetable-mgr/log" "github.com/go-stomp/stomp/v3" ) var Client *stomp.Conn // Initialises the connection to the STOMP server func StompInit(cfg *helpers.Configuration) { Client = dial(cfg.NrodUser, cfg.NrodPass) } // Connects the STOMP file to the Network Rail MQ Server func dial(user, pass string) *stomp.Conn { conn, err := stomp.Dial("tcp", "publicdatafeeds.networkrail.co.uk:61618", stomp.ConnOpt.Login(user, pass), stomp.ConnOpt.HeartBeat(15000, 15000), stomp.ConnOpt.Header("client-id", user+"-mq-client"), ) if err != nil { log.Fatal("Unable to connect to STOMP Client: " + err.Error()) conn.MustDisconnect() } log.Info("Initialised STOMP Client") return conn } // Handles graceful disconnection of the STOMP client, falls back to // a force disconnect if this fails. func Disconnect(conn *stomp.Conn) { if conn != nil { err := conn.Disconnect() log.Warn("Disconnected STOMP Client") if err != nil { conn.MustDisconnect() log.Error("STOMP Disconnection failed, forced disconnect") } return } log.Error("STOMP Disconnect failed, next connection attempt may fail") } // Register against the MQ Server and log each message for testing purposes