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75 lines
1.5 KiB
Go
75 lines
1.5 KiB
Go
package main
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import (
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"context"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"strconv"
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"github.com/gorilla/websocket"
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"github.com/jordanorelli/blammo"
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)
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type server struct {
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*blammo.Log
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host string
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port int
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world *room
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lastSessionID int
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}
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func (s *server) listen() error {
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return http.ListenAndServe(fmt.Sprintf("%s:%d", s.host, s.port), s)
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}
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func (s *server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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upgrader := websocket.Upgrader{}
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conn, err := upgrader.Upgrade(w, r, nil)
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if err != nil {
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s.Error("upgrade error: %v", err)
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return
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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s.lastSessionID++
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sn := session{
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Log: s.Log.Child("sessions").Child(strconv.Itoa(s.lastSessionID)),
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id: s.lastSessionID,
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conn: conn,
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outbox: make(chan response),
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}
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go sn.pump(ctx)
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for {
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t, r, err := conn.NextReader()
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if err != nil {
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s.Error("read error: %v", err)
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return
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}
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switch t {
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case websocket.TextMessage:
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text, err := ioutil.ReadAll(r)
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if err != nil {
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s.Error("readall error: %v", err)
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break
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}
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sn.Log.Child("received-frame").Info(string(text))
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var body requestBody
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if err := json.Unmarshal(text, &body); err != nil {
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s.Error("unable to parse request: %v", err)
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sn.outbox <- errorResponse(0, fmt.Errorf("unable to parse request: %v", err))
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break
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}
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sn.outbox <- ok(body.Seq)
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case websocket.BinaryMessage:
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sn.outbox <- errorResponse(0, fmt.Errorf("unable to parse binary frames"))
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}
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}
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}
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