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server.go
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server.go
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// Copyright (c) 2022 Gobalsky Labs Limited
//
// Use of this software is governed by the Business Source License included
// in the LICENSE.DATANODE file and at https://www.mariadb.com/bsl11.
//
// Change Date: 18 months from the later of the date of the first publicly
// available Distribution of this version of the repository, and 25 June 2022.
//
// On the date above, in accordance with the Business Source License, use
// of this software will be governed by version 3 or later of the GNU General
// Public License.
package server
import (
"context"
"golang.org/x/sync/errgroup"
"zuluprotocol/zeta/datanode/gateway"
gql "zuluprotocol/zeta/datanode/gateway/graphql"
"zuluprotocol/zeta/datanode/gateway/rest"
"zuluprotocol/zeta/logging"
"zuluprotocol/zeta/paths"
)
type Server struct {
cfg *gateway.Config
log *logging.Logger
zetaPaths paths.Paths
rest *rest.ProxyServer
gql *gql.GraphServer
}
const namedLogger = "gateway"
func New(cfg gateway.Config, log *logging.Logger, zetaPaths paths.Paths) *Server {
log = log.Named(namedLogger)
log.SetLevel(cfg.Level.Get())
return &Server{
log: log,
cfg: &cfg,
zetaPaths: zetaPaths,
}
}
func (srv *Server) Start(ctx context.Context) error {
eg, ctx := errgroup.WithContext(ctx)
if srv.cfg.GraphQL.Enabled {
var err error
srv.gql, err = gql.New(srv.log, *srv.cfg, srv.zetaPaths)
if err != nil {
return err
}
eg.Go(func() error { return srv.gql.Start() })
}
if srv.cfg.REST.Enabled {
srv.rest = rest.NewProxyServer(srv.log, *srv.cfg, srv.zetaPaths)
eg.Go(func() error { return srv.rest.Start() })
}
if srv.cfg.REST.Enabled || srv.cfg.GraphQL.Enabled {
eg.Go(func() error {
<-ctx.Done()
srv.stop()
return nil
})
}
return eg.Wait()
}
func (srv *Server) stop() {
if s := srv.rest; s != nil {
s.Stop()
}
if s := srv.gql; s != nil {
s.Stop()
}
}