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server.go
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server.go
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package server
import (
"github.com/clemens97/scion-path-oracle/querier"
"github.com/clemens97/scion-path-oracle/services"
"github.com/clemens97/scion-path-oracle/services/throughput/throughput_v2"
"github.com/gorilla/mux"
"github.com/netsec-ethz/scion-apps/pkg/shttp"
"go.uber.org/zap"
"net/http"
)
type OracleServer struct {
querier querier.PathQuerier
router, routerMonitor *mux.Router
scoringServices map[services.ServiceName]*services.ScoringService
listen, listenMonitor string
logger *zap.SugaredLogger
}
const (
dstIsdKey = "dst_isd"
dstAsKey = "dst_as"
pathKey = "path_fp"
)
func New(listen, listenMonitor string, logger *zap.SugaredLogger) (*OracleServer, error) {
q, err := querier.New()
if err != nil {
return nil, err
}
os := OracleServer{
router: mux.NewRouter(),
routerMonitor: mux.NewRouter(),
listen: listen,
listenMonitor: listenMonitor,
querier: q,
logger: logger,
}
// os.AddScoringService(throughput_v1.New(os.routerMonitor, logger))
os.AddScoringService(throughput_v2.New(os.routerMonitor, q, logger))
os.RegisterScoringAPI()
os.RegisterStatsAPI()
return &os, nil
}
func (o *OracleServer) Start() error {
go func() {
err := http.ListenAndServe(o.listenMonitor, o.routerMonitor)
o.logger.Errorw("monitoring http error", "error", err)
}()
return shttp.ListenAndServe(o.listen, o.router)
}
func (o *OracleServer) AddScoringService(service services.ScoringService) {
o.logger.Infow("adding scoring service", "service name", service.Name())
if o.scoringServices == nil {
o.scoringServices = make(map[services.ServiceName]*services.ScoringService)
}
if o.scoringServices[service.Name()] != nil {
o.logger.Warnw("attempting to re-register service, old service instance will be overwritten",
"service name", service.Name())
}
o.scoringServices[service.Name()] = &service
}