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Dont lock the player list all the time when serving the GeoJSON over /players.

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This commit is contained in:
Sascha L. Teichmann 2015-03-09 16:05:54 +01:00
parent c918b538db
commit 28fc4d0734
1 changed files with 4 additions and 2 deletions
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6
cmd/mtwebmapper/players.go
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@ -86,10 +86,12 @@ func (ps *players) run() {
func (ps *players) ServeHTTP(rw http.ResponseWriter, r *http.Request) { func (ps *players) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
rw.Header().Set("Content-Type", "application/json") rw.Header().Set("Content-Type", "application/json")
var pls []*player
ps.mu.RLock() ps.mu.RLock()
defer ps.mu.RUnlock() pls = ps.pls
ps.mu.RUnlock()
encoder := json.NewEncoder(rw) encoder := json.NewEncoder(rw)
if err := encoder.Encode(ps.pls); err != nil { if err := encoder.Encode(pls); err != nil {
log.Printf("error: sending JSON failed: %s\n", err) log.Printf("error: sending JSON failed: %s\n", err)
} }
} }