forked from ardanlabs/gotraining
/
main.go
63 lines (49 loc) · 1.38 KB
/
main.go
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// All material is licensed under the Apache License Version 2.0, January 2004
// http://www.apache.org/licenses/LICENSE-2.0
// Sample program to show what a basic web service might look like.
package main
import (
"log"
"net/http"
"os"
"os/signal"
"github.com/braintree/manners"
"github.com/nats-io/nats"
)
var rawConn *nats.Conn
var conn *nats.EncodedConn
func main() {
var err error
// Connect to the local nats server.
rawConn, err = nats.Connect(nats.DefaultURL)
if err != nil {
log.Println("ERROR: Unable to connect to NATS")
return
}
// Create an encoded connection
conn, err = nats.NewEncodedConn(rawConn, nats.JSON_ENCODER)
if err != nil {
log.Println("ERROR: Unable to create an encoded connection")
return
}
// Support for shutting down cleanly.
go func() {
// Listen for an interrupt signal from the OS.
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, os.Interrupt)
<-sigChan
log.Println("Starting shutdown...")
log.Println("Waiting on requests to complete...")
// We have been asked to shutdown the server.
manners.Close()
}()
// Bind routes.
http.HandleFunc("/users", GetUsers)
// Start the web service.
const host = "localhost:8080"
log.Printf("Listening on: %s\n", host)
manners.ListenAndServe(host, http.DefaultServeMux)
// Close the connection to the NATS server.
log.Println("Waiting on NATS to close...")
conn.Close()
}