forked from utrack/clay
/
opts.go
90 lines (75 loc) · 2.28 KB
/
opts.go
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package server
import (
"net/http"
"github.com/EridanSilver/clay/v2/server/middlewares/mwhttp"
"github.com/EridanSilver/clay/v2/transport"
"github.com/go-chi/chi"
"github.com/grpc-ecosystem/go-grpc-middleware"
"google.golang.org/grpc"
)
// Option is an optional setting applied to the Server.
type Option func(*serverOpts)
type serverOpts struct {
RPCPort int
// If HTTPPort is the same then muxing listener is created.
HTTPPort int
HTTPMux transport.Router
HTTPMiddlewares []func(http.Handler) http.Handler
GRPCOpts []grpc.ServerOption
GRPCUnaryInterceptor grpc.UnaryServerInterceptor
}
func defaultServerOpts(mainPort int) *serverOpts {
return &serverOpts{
RPCPort: mainPort,
HTTPPort: mainPort,
HTTPMux: chi.NewMux(),
}
}
// WithGRPCOpts sets gRPC server options.
func WithGRPCOpts(opts []grpc.ServerOption) Option {
return func(o *serverOpts) {
o.GRPCOpts = append(o.GRPCOpts, opts...)
}
}
// WithHTTPPort sets HTTP RPC port to listen on.
// Set same port as main to use single port.
func WithHTTPPort(port int) Option {
return func(o *serverOpts) {
o.HTTPPort = port
}
}
// WithHTTPMiddlewares sets up HTTP middlewares to work with.
func WithHTTPMiddlewares(mws ...mwhttp.Middleware) Option {
mwGeneric := make([]func(http.Handler) http.Handler, 0, len(mws))
for _, mw := range mws {
mwGeneric = append(mwGeneric, mw)
}
return func(o *serverOpts) {
o.HTTPMiddlewares = mwGeneric
}
}
// WithGRPCUnaryMiddlewares sets up unary middlewares for gRPC server.
func WithGRPCUnaryMiddlewares(mws ...grpc.UnaryServerInterceptor) Option {
mw := grpc_middleware.ChainUnaryServer(mws...)
return func(o *serverOpts) {
o.GRPCOpts = append(o.GRPCOpts, grpc.UnaryInterceptor(mw))
o.GRPCUnaryInterceptor = mw
}
}
// WithGRPCStreamMiddlewares sets up stream middlewares for gRPC server.
func WithGRPCStreamMiddlewares(mws ...grpc.StreamServerInterceptor) Option {
return func(o *serverOpts) {
o.GRPCOpts = append(o.GRPCOpts, grpc.StreamInterceptor(grpc_middleware.ChainStreamServer(mws...)))
}
}
// WithHTTPMux sets existing HTTP muxer to use instead of creating new one.
func WithHTTPMux(mux *chi.Mux) Option {
return func(o *serverOpts) {
o.HTTPMux = mux
}
}
func WithHTTPRouterMux(mux transport.Router) Option {
return func(o *serverOpts) {
o.HTTPMux = mux
}
}