clean out stale matches

internal/coordinator/match.go

@@ -60,6 +60,13 @@ func MatchCleaner(c *Coordinator) {
 				delete(c.Matches, v.ID)
 				v.Watcher <- true
 			}
+			if time.Now().After(v.LastMove.Add(time.Minute * 10)) {
+				log.Println("clearing stale match")
+				v.Game = nil
+				v.Active = false
+				delete(c.Matches, v.ID)
+				v.Watcher <- true
+			}
 		}
 		c.MatchLock.Unlock()
 	}

internal/coordinator/session.go

@@ -2,6 +2,7 @@ package coordinator
 
 import (
 	"fmt"
+	"time"
 
 	"git.saintnet.tech/stryan/snengame/internal/game"
 	"github.com/google/uuid"
@@ -49,6 +50,7 @@ type Session struct {
 	Game       *game.Game
 	Watcher    chan bool
 	Broadcasts map[uuid.UUID]chan SessionResp
+	LastMove   time.Time
 }
 
 func NewSession() *Session {
@@ -61,6 +63,7 @@ func NewSession() *Session {
 		Game:       nil,
 		Watcher:    make(chan bool),
 		Broadcasts: make(map[uuid.UUID]chan SessionResp),
+		LastMove:   time.Now(),
 	}
 }
 
@@ -102,6 +105,9 @@ func (s *Session) Play(id uuid.UUID, cmd *game.Command) *game.CommandResult {
 	if s.pMap[id] != cmd.PlayerID {
 		return nil
 	}
+	if cmd.Type != SessionCmdPoll {
+		s.LastMove = time.Now()
+	}
 	res := s.Game.Parse(cmd)
 	return res
 }