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Merge pull request #7965 from heyitsanthony/shared-grpc-conn

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embed: share grpc connection for grpc json services
This commit is contained in:
Anthony Romano 2017-05-25 14:35:33 -07:00 committed by GitHub
commit 212a1efd47
1 changed files with 21 additions and 11 deletions
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32
embed/serve.go
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@ -160,28 +160,38 @@ func grpcHandlerFunc(grpcServer *grpc.Server, otherHandler http.Handler) http.Ha
})
}
type registerHandlerFunc func(context.Context, *gw.ServeMux, string, []grpc.DialOption) error
type registerHandlerFunc func(context.Context, *gw.ServeMux, *grpc.ClientConn) error
func (sctx *serveCtx) registerGateway(opts []grpc.DialOption) (*gw.ServeMux, error) {
ctx := sctx.ctx
addr := sctx.l.Addr().String()
conn, err := grpc.DialContext(ctx, sctx.l.Addr().String(), opts...)
if err != nil {
return nil, err
}
gwmux := gw.NewServeMux()
handlers := []registerHandlerFunc{
etcdservergw.RegisterKVHandlerFromEndpoint,
etcdservergw.RegisterWatchHandlerFromEndpoint,
etcdservergw.RegisterLeaseHandlerFromEndpoint,
etcdservergw.RegisterClusterHandlerFromEndpoint,
etcdservergw.RegisterMaintenanceHandlerFromEndpoint,
etcdservergw.RegisterAuthHandlerFromEndpoint,
v3lockgw.RegisterLockHandlerFromEndpoint,
v3electiongw.RegisterElectionHandlerFromEndpoint,
etcdservergw.RegisterKVHandler,
etcdservergw.RegisterWatchHandler,
etcdservergw.RegisterLeaseHandler,
etcdservergw.RegisterClusterHandler,
etcdservergw.RegisterMaintenanceHandler,
etcdservergw.RegisterAuthHandler,
v3lockgw.RegisterLockHandler,
v3electiongw.RegisterElectionHandler,
}
for _, h := range handlers {
if err := h(ctx, gwmux, addr, opts); err != nil {
if err := h(ctx, gwmux, conn); err != nil {
return nil, err
}
}
go func() {
<-ctx.Done()
if cerr := conn.Close(); cerr != nil {
plog.Warningf("failed to close conn to %s: %v", sctx.l.Addr().String(), cerr)
}
}()
return gwmux, nil
}