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authorBen Morrison <ben@gbmor.dev>2019-06-06 16:07:53 -0400
committerBen Morrison <ben@gbmor.dev>2019-06-08 02:29:20 -0400
commite9d4a6b0e8624c6425d467f0efe14be1bc683bd9 (patch)
tree02b928c2c8fe28153980e6612c3349104091c083 /svc/cache.go
parent6749dc4d215dd60900f0c1187ba20031ccdc4f85 (diff)
downloadgetwtxt-e9d4a6b0e8624c6425d467f0efe14be1bc683bd9.tar.gz
database refs and static assets concurrency-safe
Diffstat (limited to 'svc/cache.go')
-rw-r--r--svc/cache.go7
1 files changed, 7 insertions, 0 deletions
diff --git a/svc/cache.go b/svc/cache.go
index db427db..6b50a0e 100644
--- a/svc/cache.go
+++ b/svc/cache.go
@@ -18,6 +18,7 @@ type RemoteRegistries struct {
 }
 
 type staticAssets struct {
+	mu       sync.RWMutex
 	index    []byte
 	indexMod time.Time
 	css      []byte
@@ -98,8 +99,10 @@ func pingAssets() {
 		log.Printf("%v\n", err.Error())
 	}
 
+	staticCache.mu.RLock()
 	indexMod := staticCache.indexMod
 	cssMod := staticCache.cssMod
+	staticCache.mu.RUnlock()
 
 	if !indexMod.Equal(indexStat.ModTime()) {
 		tmpls = initTemplates()
@@ -114,8 +117,10 @@ func pingAssets() {
 			log.Printf("%v\n", err.Error())
 		}
 
+		staticCache.mu.Lock()
 		staticCache.index = buf.Bytes()
 		staticCache.indexMod = indexStat.ModTime()
+		staticCache.mu.Unlock()
 	}
 
 	if !cssMod.Equal(cssStat.ModTime()) {
@@ -125,7 +130,9 @@ func pingAssets() {
 			log.Printf("%v\n", err.Error())
 		}
 
+		staticCache.mu.Lock()
 		staticCache.css = css
 		staticCache.cssMod = cssStat.ModTime()
+		staticCache.mu.Unlock()
 	}
 }