From: Matt Joiner <anacrolix@gmail.com>
Date: Fri, 30 Jan 2015 14:53:42 +0000 (+1100)
Subject: Deduplicate iplist range descriptions, saves another 2.8MB heap
X-Git-Tag: v1.0.0~1350
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=4cf28bf0e92127e2fdc636e411fff043bb0c6e0f;p=btrtrc.git

Deduplicate iplist range descriptions, saves another 2.8MB heap
---

diff --git a/client.go b/client.go
index 513e7871..cb66b565 100644
--- a/client.go
+++ b/client.go
@@ -345,6 +345,7 @@ func (cl *Client) setEnvBlocklist() (err error) {
 	}
 	defer f.Close()
 	var ranges []iplist.Range
+	uniqStrs := make(map[string]string)
 	scanner := bufio.NewScanner(f)
 	for scanner.Scan() {
 		r, ok, lineErr := iplist.ParseBlocklistP2PLine(scanner.Bytes())
@@ -355,6 +356,11 @@ func (cl *Client) setEnvBlocklist() (err error) {
 		if !ok {
 			continue
 		}
+		if s, ok := uniqStrs[r.Description]; ok {
+			r.Description = s
+		} else {
+			uniqStrs[r.Description] = r.Description
+		}
 		ranges = append(ranges, r)
 	}
 	err = scanner.Err()