github.com/matiasanaya/gqlgen@v0.6.0/example/chat/server/server.go (about)

     1  package main
     2  
     3  import (
     4  	"log"
     5  	"net/http"
     6  	"net/url"
     7  	"time"
     8  
     9  	"github.com/99designs/gqlgen/example/chat"
    10  	"github.com/99designs/gqlgen/handler"
    11  	gqlopentracing "github.com/99designs/gqlgen/opentracing"
    12  	"github.com/gorilla/websocket"
    13  	"github.com/opentracing/opentracing-go"
    14  	"sourcegraph.com/sourcegraph/appdash"
    15  	appdashtracer "sourcegraph.com/sourcegraph/appdash/opentracing"
    16  	"sourcegraph.com/sourcegraph/appdash/traceapp"
    17  )
    18  
    19  func main() {
    20  	startAppdashServer()
    21  
    22  	http.Handle("/", handler.Playground("Todo", "/query"))
    23  	http.Handle("/query", handler.GraphQL(chat.NewExecutableSchema(chat.New()),
    24  		handler.ResolverMiddleware(gqlopentracing.ResolverMiddleware()),
    25  		handler.RequestMiddleware(gqlopentracing.RequestMiddleware()),
    26  		handler.WebsocketUpgrader(websocket.Upgrader{
    27  			CheckOrigin: func(r *http.Request) bool {
    28  				return true
    29  			},
    30  		})),
    31  	)
    32  	log.Fatal(http.ListenAndServe(":8085", nil))
    33  }
    34  
    35  func startAppdashServer() opentracing.Tracer {
    36  	memStore := appdash.NewMemoryStore()
    37  	store := &appdash.RecentStore{
    38  		MinEvictAge: 5 * time.Minute,
    39  		DeleteStore: memStore,
    40  	}
    41  
    42  	url, err := url.Parse("http://localhost:8700")
    43  	if err != nil {
    44  		log.Fatal(err)
    45  	}
    46  	tapp, err := traceapp.New(nil, url)
    47  	if err != nil {
    48  		log.Fatal(err)
    49  	}
    50  	tapp.Store = store
    51  	tapp.Queryer = memStore
    52  
    53  	go func() {
    54  		log.Fatal(http.ListenAndServe(":8700", tapp))
    55  	}()
    56  	tapp.Store = store
    57  	tapp.Queryer = memStore
    58  
    59  	collector := appdash.NewLocalCollector(store)
    60  	tracer := appdashtracer.NewTracer(collector)
    61  	opentracing.InitGlobalTracer(tracer)
    62  
    63  	log.Println("Appdash web UI running on HTTP :8700")
    64  	return tracer
    65  }