trying to fix memory leak...

poll/instance.go

@@ -45,6 +45,7 @@ func StartInstancePoll(instancereport InstanceReport, reportPostChan chan Report
 	api_timeline := "https://" + instancereport.endpoint + "/api/v1/timelines/public?limit=40&min_id=" + instancereport.min_id
 	resp, err := http.Get(api_timeline)
 	if err != nil {
+		defer resp.Body.Close()
 		instanceReportChan <- InstanceReport{instancereport.endpoint, CLIENT_ISSUE, "", 0}
 		return
 	}
@@ -63,38 +64,38 @@ func StartInstancePoll(instancereport InstanceReport, reportPostChan chan Report
 	min_id := ""
 	numposts := 0
 	for _, newpost := range newposts {
-
 		if newpost.Account.Acct == "" {
 			continue
 		}
+		sendpost := newpost
 
 		posthash := sha1.New()
 
-		at_sign := strings.Index(newpost.Account.Acct, "@")
+		at_sign := strings.Index(sendpost.Account.Acct, "@")
 
 		if at_sign == -1 {
-			at_sign = len(newpost.Account.Acct)
-			newpost.Account.Acct += "@" + instancereport.endpoint
+			at_sign = len(sendpost.Account.Acct)
+			sendpost.Account.Acct += "@" + instancereport.endpoint
 		}
 
 		// Calculate the post hash
-		fmt.Fprint(posthash, newpost.Url)
-		fmt.Fprint(posthash, newpost.normalized)
-		fmt.Fprint(posthash, newpost.Account.Acct)
-		fmt.Fprint(posthash, newpost.Account.Display_name)
-		newpost.posthash = posthash.Sum(nil)
+		fmt.Fprint(posthash, sendpost.Url)
+		fmt.Fprint(posthash, sendpost.normalized)
+		fmt.Fprint(posthash, sendpost.Account.Acct)
+		fmt.Fprint(posthash, sendpost.Account.Display_name)
+		sendpost.posthash = posthash.Sum(nil)
 
-		newpost.normalized = html.UnescapeString(strings.ToLower(p.Sanitize(newpost.Content)))
+		sendpost.normalized = html.UnescapeString(strings.ToLower(p.Sanitize(sendpost.Content)))
 
-		reportPostChan <- newpost
+		reportPostChan <- sendpost
 
 		// Check min_id
-		if newpost.Id > min_id {
-			min_id = newpost.Id
+		if sendpost.Id > min_id {
+			min_id = sendpost.Id
 		}
 		numposts = numposts + 1
 
-		newinstance := newpost.Account.Acct[at_sign+1:]
+		newinstance := sendpost.Account.Acct[at_sign+1:]
 		newinstances = AppendIfMissing(newinstances, newinstance)
 	}
 
@@ -116,6 +117,7 @@ func GetNodeInfo(endpoint string, nodeinfo *NodeInfo) {
 	http_client := http.Client{Timeout: 5 * time.Second}
 	resp, err := http_client.Get(api_nodeinfo)
 	if err != nil {
+		defer resp.Body.Close()
 		return
 	}