High speed scan on Ubuntu/Debian

cache/db.go

@@ -0,0 +1,56 @@
+/* Vuls - Vulnerability Scanner
+Copyright (C) 2016  Future Architect, Inc. Japan.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package cache
+
+import (
+	"github.com/future-architect/vuls/config"
+	"github.com/future-architect/vuls/models"
+)
+
+// DB has a cache instance
+var DB Cache
+
+const metabucket = "changelog-meta"
+
+// Cache is a interface of cache
+type Cache interface {
+	Close() error
+	GetMeta(string) (Meta, bool, error)
+	EnsureBuckets(Meta) error
+	PrettyPrint(Meta) error
+	GetChangelog(string, string) (string, error)
+	PutChangelog(string, string, string) error
+}
+
+// Meta holds a server name, distro information of the scanned server and
+// package information that was collected at the last scan.
+type Meta struct {
+	Name   string
+	Distro config.Distro
+	Packs  []models.PackageInfo
+}
+
+// FindPack search a PackageInfo
+func (m Meta) FindPack(name string) (pack models.PackageInfo, found bool) {
+	for _, p := range m.Packs {
+		if name == p.Name {
+			return p, true
+		}
+	}
+	return pack, false
+}