added simple game stats

control.go

@@ -2,6 +2,8 @@ package main
 
 import (
 	"encoding/json"
+	"errors"
+	"fmt"
 	"io/ioutil"
 	"log"
 	"net/http"
@@ -105,23 +107,49 @@ func listGames(w http.ResponseWriter, req *http.Request) {
 	}
 }
 
-func stopGame(w http.ResponseWriter, req *http.Request) {
-	trimmed := strings.Trim(req.URL.Path, "/")
-	fullPath := strings.Split(trimmed, "/")
-	log.Println(req.URL.Path)
-	if len(fullPath) != 3 {
+func gameStats(w http.ResponseWriter, req *http.Request) {
+	key, err := getGameId(req.URL.Path)
+	if err != nil {
 		http.Error(w, "improperly formed url", http.StatusBadRequest)
+	}
+	log.Printf("requested stats for game: %s", key)
+	games.RLock()
+	g, ok := games.m[key]
+	games.RUnlock()
+	if !ok {
+		http.NotFound(w, req)
 		return
 	}
-	key := fullPath[2]
+	g.winners.RLock()
+	defer g.winners.RUnlock()
+	if err := json.NewEncoder(w).Encode(g.winners.m); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func stopGame(w http.ResponseWriter, req *http.Request) {
+	key, err := getGameId(req.URL.Path)
+	if err != nil {
+		http.Error(w, "improperly formed url", http.StatusBadRequest)
+	}
 	games.Lock()
-	gameid, ok := games.m[key]
+	g, ok := games.m[key]
 	defer games.Unlock()
 	if !ok {
 		http.NotFound(w, req)
 		return
 	}
-	gameid.kill <- true
+	g.kill <- true
+	message := struct {
+		Ok      bool   `json:"ok"`
+		Message string `json:"message"`
+	}{
+		Ok:      true,
+		Message: fmt.Sprintf("Successfully stopped game: %s", key),
+	}
+	if err := json.NewEncoder(w).Encode(message); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
 }
 
 func killServer(w http.ResponseWriter, req *http.Request) {
@@ -146,3 +174,14 @@ func index(w http.ResponseWriter, req *http.Request) {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 	}
 }
+
+func getGameId(path string) (string, error) {
+	var err error
+	trimmed := strings.Trim(path, "/")
+	fullPath := strings.Split(trimmed, "/")
+	if len(fullPath) != 3 {
+		return "", errors.New("improperly formed url")
+	}
+	key := fullPath[2]
+	return key, err
+}

game.go

@@ -40,6 +40,11 @@ func (ml *MapLock) add(g *game) {
 	ml.Unlock()
 }
 
+type WinnerMap struct {
+	m map[string]int
+	sync.RWMutex
+}
+
 type game struct {
 	id                string
 	players           map[*player]bool
@@ -58,6 +63,7 @@ type game struct {
 	repair_hp         int
 	repair_rate       float32
 	tick_duration     int
+	winners           WinnerMap
 }
 
 func NewGame(id string, width, height float32, tick int) *game {
@@ -79,6 +85,8 @@ func NewGame(id string, width, height float32, tick int) *game {
 		repair_hp:         5,
 		repair_rate:       3.0,
 		tick_duration:     tick,
+		players_remaining: 2,
+		winners:           WinnerMap{m: make(map[string]int)},
 	}
 	return g
 }
@@ -284,16 +292,21 @@ func (g *game) run() {
 
 func (g *game) gameOver() (bool, *GameOver) {
 	over := false
-	stats := NewGameOver()
+	var stats *GameOver
 
 	if g.players_remaining <= 1 && len(g.players) > 1 {
 		g.obstacles = GenerateObstacles(conf.Obstacles, g.width, g.height)
 		log.Printf("game %s: game over", g.id)
+		stats = NewGameOver()
 
 		for p := range g.players {
 			for _, r := range p.Robots {
 				if r.Health > 0 {
 					log.Printf("Robot %v Survived", r.Id)
+					g.winners.Lock()
+					g.winners.m[r.Id] += 1
+					g.winners.Unlock()
+					stats.Winners = append(stats.Winners, r.Id)
 				}
 				r.reset(g)
 			}

main.go

@@ -63,7 +63,8 @@ func main() {
 	sm.Handle("/ws/", websocket.Handler(addPlayer))
 	sm.Handle("/game/start/", JsonHandler(startGame))
 	sm.Handle("/game/list/", JsonHandler(listGames))
-	sm.HandleFunc("/game/stop/", stopGame)
+	sm.Handle("/game/stats/", JsonHandler(gameStats))
+	sm.Handle("/game/stop/", JsonHandler(stopGame))
 	sm.HandleFunc("/fuck/shit/up/", killServer)
 
 	err = http.ListenAndServe(*addr, sm)

protocol.go

@@ -128,12 +128,14 @@ func NewBoardstate() *Boardstate {
 }
 
 type GameOver struct {
+	Winners []string `json:"winners"`
 	Type    string   `json:"type"`
 }
 
 func NewGameOver() *GameOver {
 	return &GameOver{
 		Type:    "gameover",
+		Winners: make([]string, 0),
 	}
 }