From cf219fb6f6feac735725ce9d04b3d3ac8c399007 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Sat, 19 Mar 2022 23:38:14 -0400
Subject: cmd/cmd.go: add getFeeds()

---
 cmd/cmd.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'cmd/cmd.go')

diff --git a/cmd/cmd.go b/cmd/cmd.go
index fd195aa..f70eaae 100644
--- a/cmd/cmd.go
+++ b/cmd/cmd.go
@@ -142,6 +142,30 @@ func getFeed(path string) nvd_feed.Feed {
   return feed
 }
 
+// Load CVE feeds in parallel.
+func getFeeds(cacheDir string, updates []nvdmirror.Update) []nvd_feed.Feed {
+  numFeeds := 0
+
+  // load feeds in parallel
+  ch := make(chan nvd_feed.Feed)
+  for _, row := range(updates) {
+    if row.Type == nvdmirror.UpdateCveYear {
+      numFeeds += 1
+      go func(path string) {
+        ch <- getFeed(path)
+      }(filepath.Join(cacheDir, row.Path))
+    }
+  }
+
+  // collect feeds
+  feeds := make([]nvd_feed.Feed, numFeeds)
+  for i := 0; i < numFeeds; i++ {
+    feeds[i] = <-ch
+  }
+
+  return feeds
+}
+
 // Read cpe matches from file.
 func getCpeMatches(path string) cpematch.Matches {
   var matches cpematch.Matches
-- 
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