add term and comment caches, adjust limits

main.go

@@ -161,12 +161,20 @@ func init() {
 func main() {
 	var UC MetadataCache
 	UC.objects = make(map[int64]metadataObject)
-	UC.sizeLimit = 100
+	UC.sizeLimit = 5000
 	UC.objectType = "u"
 	var PC MetadataCache
 	PC.objects = make(map[int64]metadataObject)
-	PC.sizeLimit = 100
+	PC.sizeLimit = 5000
 	PC.objectType = "p"
+	var TC MetadataCache
+	TC.objects = make(map[int64]metadataObject)
+	TC.sizeLimit = 5000
+	TC.objectType = "p"
+	var CC MetadataCache
+	CC.objects = make(map[int64]metadataObject)
+	CC.sizeLimit = 100
+	CC.objectType = "p"
 
 	if err := os.RemoveAll(*sockpath); err != nil {
 		log.Fatal(err)
@@ -181,7 +189,7 @@ func main() {
 		if err != nil {
 			// handle error
 		}
-		go handleConnection(conn, UC, PC)
+		go handleConnection(conn, UC, PC, TC, CC)
 	}
 }
 
@@ -192,7 +200,7 @@ type cachecommand struct {
 	Command    string `json:"c"`
 }
 
-func handleConnection(conn net.Conn, UC MetadataCache, PC MetadataCache) {
+func handleConnection(conn net.Conn, UC MetadataCache, PC MetadataCache, TC MetadataCache, CC MetadataCache) {
 	log.Println("handleConnection started")
 	var m *MetadataCache
 	reader := bufio.NewReader(conn)
@@ -211,10 +219,19 @@ func handleConnection(conn net.Conn, UC MetadataCache, PC MetadataCache) {
 			log.Printf("json.Unmarshal: %s returned %s", buf, err.Error())
 		}
 		var values []string
-		if c.ObjectType == "u" {
+		switch c.ObjectType {
+		case "u":
 			m=&UC
-		} else if c.ObjectType == "p" {
+		case "p":
 			m=&PC
+		case "t":
+			m=&TC
+		case "c":
+			m=&CC
+		default:
+			log.Printf("Invalid cache requested: %s\n", c.ObjectType)
+			conn.Close()
+			return
 		}
 		if c.Command == "g" {
 			values, err = m.Get(c.ObjectId, c.Key)