From d195cecfdf310a6ea1a18916cd36c6e29e9172d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=AB=98=E6=B8=90=E7=A6=BB?= <admin@gaojianli.me>
Date: Tue, 14 Jan 2025 18:15:51 +0000
Subject: [PATCH] finish doc about metrics and code clean

---
 biz/handler/announce.go  |  3 ++-
 main.go                  | 18 ------------------
 readme.md                | 21 +++++++++++++--------
 router.go                | 18 ------------------
 service/database/init.go | 16 ----------------
 5 files changed, 15 insertions(+), 61 deletions(-)

diff --git a/biz/handler/announce.go b/biz/handler/announce.go
index 9b8aa91..ba27092 100644
--- a/biz/handler/announce.go
+++ b/biz/handler/announce.go
@@ -14,6 +14,7 @@ import (
 	"github.com/PBH-BTN/trunker/utils/http"
 	"github.com/cloudwego/hertz/pkg/app"
 	"github.com/thinkeridea/go-extend/exstrings"
+	hertz "github.com/cloudwego/hertz/pkg/common/utils"
 )
 
 func Announce(ctx context.Context, c *app.RequestContext) {
@@ -48,7 +49,7 @@ func Announce(ctx context.Context, c *app.RequestContext) {
 			Complete:   scrape.Complete,
 		})
 	} else {
-		resp := map[string]any{
+		resp := hertz.H{
 			"interval":    config.AppConfig.Tracker.TTL + int64(rand.Intn(201)-100),
 			"external ip": req.ClientIP.String(),
 			"incomplete":  scrape.Incomplete,
diff --git a/main.go b/main.go
index 44b48f2..2dee5f1 100755
--- a/main.go
+++ b/main.go
@@ -1,21 +1,3 @@
-/*
- * Copyright 2022 CloudWeGo Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// Code generated by hertz generator.
-
 package main
 
 import (
diff --git a/readme.md b/readme.md
index 0dd85a2..3e73c8c 100644
--- a/readme.md
+++ b/readme.md
@@ -7,7 +7,7 @@
 
 ## Introduction
 
-A high-performance BitTorrent Tracker implemented in Go. Using [Hertz](https://github.com/cloudwego/hertz) from cloudwego.
+A high-performance BitTorrent Tracker implemented in Go. Using [Hertz](https://github.com/cloudwego/hertz) from cloudwego, with observability.
 
 This tracker is hosted as https://btn-prod.ghostchu-services.top/announce
 
@@ -26,13 +26,13 @@ docker pull gaojianli2333/trunker:latest
 ```
 ## Features
 
-- [x] BEP-0003
-- [x] BEP-0007
-- [x] BEP-0023
-- [x] BEP-0024
-- [x] BEP-0031
-- [x] BEP-0048
-- [X] LT-Extension(complete,incomplete)
+- [x] [BEP-0003](https://www.bittorrent.org/beps/bep_0003.html)
+- [x] [BEP-0007](https://www.bittorrent.org/beps/bep_0007.html) (IPv6 Tracker Extension)
+- [x] [BEP-0023](https://www.bittorrent.org/beps/bep_0023.html) (Compact Peer Lists)
+- [x] [BEP-0024](https://www.bittorrent.org/beps/bep_0024.html) (External IP)
+- [x] [BEP-0031](https://www.bittorrent.org/beps/bep_0031.html) (Failure Retry Extension)
+- [x] [BEP-0048](https://www.bittorrent.org/beps/bep_0048.html) (Scrape)
+- [X] LT-Extension (complete,incomplete)
 - [x] Full-Memory Mode
 - [x] Load from Persist
 - [ ] MySQL Mode
@@ -85,6 +85,11 @@ You can ban some torrent or peer by using the following endpoints.
 | GET    | `/admin/info_hash/:infoHash/peers` | Get all peers of a info_hash. **The response may be very large** |
 | DELETE | `/admin/info_hash/:infoHash`       | Delete a info_hash                                               |
 
+## Metrics
+Currently trunker is serving a prometheus handler at `:9091` by default. With 2 paths:
+- `/metrics` Providing metrics about http request, including latency and QPS.
+- `/pprof` Providing golang runtime pprof info.
+
 ## Benchmark
 
 CPU: 4 Cores ARM64 Oracle Cloud
diff --git a/router.go b/router.go
index 28666d3..6c05443 100755
--- a/router.go
+++ b/router.go
@@ -1,21 +1,3 @@
-/*
- * Copyright 2022 CloudWeGo Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// Code generated by hertz generator.
-
 package main
 
 import (
diff --git a/service/database/init.go b/service/database/init.go
index 1914828..aea2736 100644
--- a/service/database/init.go
+++ b/service/database/init.go
@@ -1,19 +1,3 @@
-/*
- * Copyright 2022 CloudWeGo Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
 package database
 
 import (