Initial commit after restructure

network/geoip/lookup.go

@@ -0,0 +1,45 @@
+package geoip
+
+import (
+	"net"
+)
+
+// GetLocation returns Location data of an IP address
+func GetLocation(ip net.IP) (record *Location, err error) {
+	dbLock.Lock()
+	defer dbLock.Unlock()
+
+	err = prepDatabaseForUse()
+	if err != nil {
+		return nil, err
+	}
+
+	record = &Location{}
+
+	// fetch
+	err = dbCity.Lookup(ip, record)
+	if err == nil {
+		err = dbASN.Lookup(ip, record)
+	}
+
+	// retry
+	if err != nil {
+		// reprep
+		handleError(err)
+		err = prepDatabaseForUse()
+		if err != nil {
+			return nil, err
+		}
+
+		// refetch
+		err = dbCity.Lookup(ip, record)
+		if err == nil {
+			err = dbASN.Lookup(ip, record)
+		}
+	}
+
+	if err != nil {
+		return nil, err
+	}
+	return record, nil
+}