58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
package server
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import (
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"log"
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"net"
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"github.com/LandaMm/hsp-go/hsp"
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)
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type RouteHandler func(req *hsp.Request) *hsp.Response
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type Router struct {
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routes map[string]RouteHandler
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}
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func NewRouter() *Router {
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return &Router{
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routes: make(map[string]RouteHandler),
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}
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}
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func (r *Router) AddRoute(pathname string, handler RouteHandler) {
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if _, ok := r.routes[pathname]; ok {
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log.Printf("WARN: Rewriting existing route '%s'\n", pathname)
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}
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r.routes[pathname] = handler
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}
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func (r *Router) Handle(conn net.Conn) error {
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defer conn.Close()
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dupl := hsp.NewPacketDuplex(conn)
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// TODO: Ability to keep connection alive
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packet, err := dupl.ReadPacket()
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if err != nil {
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_, _ = dupl.WritePacket(hsp.NewErrorResponse(err).ToPacket())
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return err
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}
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if route, ok := packet.Headers["route"]; ok {
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req := hsp.NewRequest(conn, packet)
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if handler, ok := r.routes[route]; ok {
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res := handler(req)
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_, err := dupl.WritePacket(res.ToPacket())
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return err
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} else if fallback, ok := r.routes["*"]; ok {
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res := fallback(req)
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_, err := dupl.WritePacket(res.ToPacket())
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return err
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}
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}
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_, err = dupl.WritePacket(hsp.NewStatusResponse(hsp.STATUS_NOTFOUND).ToPacket())
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return err
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}
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