Files
hsp.go/hsp/server/router.go

54 lines
1.1 KiB
Go

package server
import (
"log"
"github.com/LandaMm/hsp-go/hsp"
)
type RouteHandler func(req *hsp.Request) *hsp.Response
type Router struct {
routes map[string]RouteHandler
}
func NewRouter() *Router {
return &Router{
routes: make(map[string]RouteHandler),
}
}
func (r *Router) AddRoute(pathname string, handler RouteHandler) {
if _, ok := r.routes[pathname]; ok {
log.Printf("WARN: Rewriting existing route '%s'\n", pathname)
}
r.routes[pathname] = handler
}
func (r *Router) Handle(conn *hsp.Connection) error {
defer conn.Close()
packet, err := conn.Read()
if err != nil {
_, _ = conn.Write(hsp.NewErrorResponse(err).ToPacket())
return err
}
if route, ok := packet.Headers["route"]; ok {
req := hsp.NewRequest(conn, packet)
if handler, ok := r.routes[route]; ok {
res := handler(req)
_, err := conn.Write(res.ToPacket())
return err
} else if fallback, ok := r.routes["*"]; ok {
res := fallback(req)
_, err := conn.Write(res.ToPacket())
return err
}
}
_, err = conn.Write(hsp.NewStatusResponse(hsp.STATUS_NOTFOUND).ToPacket())
return err
}