From c8c4b090efbfe0476272b7347b6034fd5d07c680 Mon Sep 17 00:00:00 2001
From: Jakob Borg <jakob@nym.se>
Date: Fri, 11 Sep 2015 10:56:32 +0200
Subject: [PATCH] Show v0.12 feature stats

---
 cmd/ursrv/main.go | 123 ++++++++++++++++++++++++++++++++++++++++++++++
 static/index.html |  23 +++++++++
 2 files changed, 146 insertions(+)

diff --git a/cmd/ursrv/main.go b/cmd/ursrv/main.go
index ee4d2dab5..1dfe92fd0 100644
--- a/cmd/ursrv/main.go
+++ b/cmd/ursrv/main.go
@@ -451,6 +451,11 @@ type category struct {
 	Binary bool
 }
 
+type feature struct {
+	Key string
+	Pct int
+}
+
 func getReport(db *sql.DB) map[string]interface{} {
 	nodes := 0
 	var versions []string
@@ -468,6 +473,33 @@ func getReport(db *sql.DB) map[string]interface{} {
 	var compilers []string
 	var builders []string
 
+	v2Reports := 0
+	features := map[string]int{
+		"Rate limiting":                          0,
+		"Upgrades allowed (automatic)":           0,
+		"Upgrades allowed (manual)":              0,
+		"Folders, automatic normalization":       0,
+		"Folders, ignore deletes":                0,
+		"Folders, ignore permissions":            0,
+		"Folders, master mode":                   0,
+		"Devices, compress always":               0,
+		"Devices, compress metadata":             0,
+		"Devices, compress nothing":              0,
+		"Devices, custom certificate":            0,
+		"Devices, dynamic addresses":             0,
+		"Devices, static addresses":              0,
+		"Devices, introducer":                    0,
+		"Relaying, enabled":                      0,
+		"Relaying, default relays":               0,
+		"Relaying, other relays":                 0,
+		"Discovery, global enabled":              0,
+		"Discovery, local enabled":               0,
+		"Discovery, default servers (using DNS)": 0,
+		"Discovery, default servers (using IP)":  0,
+		"Discovery, other servers":               0,
+	}
+	var numCPU []int
+
 	var rep report
 
 	rows, err := db.Query(`SELECT ` + strings.Join(rep.FieldNames(), ",") + ` FROM Reports WHERE Received > now() - '1 day'::INTERVAL`)
@@ -521,6 +553,77 @@ func getReport(db *sql.DB) map[string]interface{} {
 		if rep.MemorySize > 0 {
 			memorySize = append(memorySize, rep.MemorySize*(1<<20))
 		}
+
+		if rep.URVersion >= 2 {
+			v2Reports++
+			numCPU = append(numCPU, rep.NumCPU)
+			if rep.UsesRateLimit {
+				features["Rate limiting"]++
+			}
+			if rep.UpgradeAllowedAuto {
+				features["Upgrades allowed (automatic)"]++
+			}
+			if rep.UpgradeAllowedManual {
+				features["Upgrades allowed (manual)"]++
+			}
+			if rep.FolderUses.AutoNormalize > 0 {
+				features["Folders, automatic normalization"]++
+			}
+			if rep.FolderUses.IgnoreDelete > 0 {
+				features["Folders, ignore deletes"]++
+			}
+			if rep.FolderUses.IgnorePerms > 0 {
+				features["Folders, ignore permissions"]++
+			}
+			if rep.FolderUses.ReadOnly > 0 {
+				features["Folders, master mode"]++
+			}
+			if rep.DeviceUses.CompressAlways > 0 {
+				features["Devices, compress always"]++
+			}
+			if rep.DeviceUses.CompressMetadata > 0 {
+				features["Devices, compress metadata"]++
+			}
+			if rep.DeviceUses.CompressNever > 0 {
+				features["Devices, compress nothing"]++
+			}
+			if rep.DeviceUses.CustomCertName > 0 {
+				features["Devices, custom certificate"]++
+			}
+			if rep.DeviceUses.DynamicAddr > 0 {
+				features["Devices, dynamic addresses"]++
+			}
+			if rep.DeviceUses.StaticAddr > 0 {
+				features["Devices, static addresses"]++
+			}
+			if rep.DeviceUses.Introducer > 0 {
+				features["Devices, introducer"]++
+			}
+			if rep.Relays.Enabled {
+				features["Relaying, enabled"]++
+			}
+			if rep.Relays.DefaultServers > 0 {
+				features["Relaying, default relays"]++
+			}
+			if rep.Relays.OtherServers > 0 {
+				features["Relaying, other relays"]++
+			}
+			if rep.Announce.GlobalEnabled {
+				features["Discovery, global enabled"]++
+			}
+			if rep.Announce.LocalEnabled {
+				features["Discovery, local enabled"]++
+			}
+			if rep.Announce.DefaultServersDNS > 0 {
+				features["Discovery, default servers (using DNS)"]++
+			}
+			if rep.Announce.DefaultServersIP > 0 {
+				features["Discovery, default servers (using IP)"]++
+			}
+			if rep.Announce.DefaultServersIP > 0 {
+				features["Discovery, other servers"]++
+			}
+		}
 	}
 
 	var categories []category
@@ -579,14 +682,34 @@ func getReport(db *sql.DB) map[string]interface{} {
 		Binary: true,
 	})
 
+	categories = append(categories, category{
+		Values: statsForInts(numCPU),
+		Descr:  "Number of CPU cores",
+	})
+
+	var featureList []feature
+	var featureNames []string
+	for key := range features {
+		featureNames = append(featureNames, key)
+	}
+	sort.Strings(featureNames)
+	for _, key := range featureNames {
+		featureList = append(featureList, feature{
+			Key: key,
+			Pct: (100 * features[key]) / v2Reports,
+		})
+	}
+
 	r := make(map[string]interface{})
 	r["nodes"] = nodes
+	r["v2nodes"] = v2Reports
 	r["categories"] = categories
 	r["versions"] = analyticsFor(versions, 10)
 	r["platforms"] = analyticsFor(platforms, 0)
 	r["os"] = analyticsFor(oses, 0)
 	r["compilers"] = analyticsFor(compilers, 12)
 	r["builders"] = analyticsFor(builders, 12)
+	r["features"] = featureList
 
 	return r
 }
diff --git a/static/index.html b/static/index.html
index c80a2af74..7e2909a3a 100644
--- a/static/index.html
+++ b/static/index.html
@@ -243,6 +243,29 @@ found in the LICENSE file.
       </div>
 
     </div>
+
+    <div class="row">
+    <div class="col-md-12">
+    <h4>Feature Usage</h4>
+    <p>
+    The following lists feature usage, as a percentage of the v0.12+ population (<b>{{.v2nodes}}</b> devices).
+    </p>
+    <table class="table table-striped">
+    <thead><tr><th>Feature</th><th colspan="2" class="text-center">Usage</th></tr></thead>
+    <tbody>
+    {{range .features}}
+    <tr>
+    <td style="width: 30%">{{.Key}}</td>
+    <td style="width: 10%" class="text-right">{{.Pct}}%</td>
+    <td style="width: 60%">
+    <div class="progress-bar" role="progressbar" aria-valuenow="{{.Pct}}" aria-valuemin="0" aria-valuemax="100" style="width: {{.Pct}}%; height:20px"></div>
+  </td>
+    </tr>
+    {{end}}
+    </tbody>
+    </table>
+    </div>
+    </div>
   </div>
 </body>
 </html>