From c4e756570313b8d2fda27a9f58231f8886d50092 Mon Sep 17 00:00:00 2001
From: Vincent Young <missuo@pm.me>
Date: Sun, 23 Apr 2023 13:25:47 +0800
Subject: [PATCH] feat: support for specified ports

---
 README.md | 16 +++++++++++-----
 go.mod    |  2 +-
 main.go   | 19 +++++++++++++++++--
 3 files changed, 29 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index bb81dc0..868e754 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
  * @Author: Vincent Young
  * @Date: 2022-10-18 07:32:29
  * @LastEditors: Vincent Young
- * @LastEditTime: 2023-03-21 16:55:40
+ * @LastEditTime: 2023-04-23 13:25:08
  * @FilePath: /DeepLX/README.md
  * @Telegram: https://t.me/missuo
  * 
@@ -12,10 +12,9 @@
 Permanently free DeepL API written in Golang
 
 ## Description
-- `deeplx` in only run in port `1188`, later versions will do the specified port.
-- `deeplx` is listening to `0.0.0.0:1188` by default.
-- `deeplx` is using `DeepL` Free API.
-- `deeplx` is unlimited to the number of requests.
+- `DeepLX` is listening to `0.0.0.0:1188` by default. You can modify the listening port by yourself.
+- `DeepLX` is using `DeepL` Free API.
+- `DeepLX` is unlimited to the number of requests.
 
 ## Usage
 ### Request Parameters
@@ -36,6 +35,13 @@ Permanently free DeepL API written in Golang
   "id": 8300079001
 }
 ```
+### Specify the port
+**Thanks to [cijiugechu](https://github.com/cijiugechu) for [his contribution](https://github.com/OwO-Network/DeepLX/commit/4a0920579ea868b0f05ccdff6bceae316bfd5dc8) to make this feature possible for this project!**
+```bash
+./deeplx -p 3333
+# or
+./deeplx -port 3333
+```
 
 ### Run with Docker
 ```bash
diff --git a/go.mod b/go.mod
index e5af4e5..f6333d2 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,4 @@
-module github.com/OwO-Network/deepl-api
+module github.com/OwO-Network/DeepLX
 
 go 1.19
 
diff --git a/main.go b/main.go
index 030b540..f585673 100644
--- a/main.go
+++ b/main.go
@@ -3,6 +3,7 @@ package main
 import (
 	"bytes"
 	"encoding/json"
+	"flag"
 	"fmt"
 	"io"
 	"log"
@@ -17,7 +18,17 @@ import (
 	"github.com/tidwall/gjson"
 )
 
+var port int
+
 func init() {
+	const (
+		defaultPort = 1188
+		usage       = "set up the port to listen on"
+	)
+
+	flag.IntVar(&port, "port", defaultPort, usage)
+	flag.IntVar(&port, "p", defaultPort, usage)
+
 	log.SetFlags(log.LstdFlags | log.Lshortfile)
 }
 
@@ -98,8 +109,11 @@ type ResData struct {
 }
 
 func main() {
+	// parse flags
+	flag.Parse()
+
 	// display information
-	fmt.Println("DeepL X has been successfully launched! Listening on 0.0.0.0:1188")
+	fmt.Printf("DeepL X has been successfully launched! Listening on 0.0.0.0:%v\n", port)
 	fmt.Println("Made by sjlleo and missuo.")
 
 	// create a random id
@@ -225,5 +239,6 @@ func main() {
 			}
 		}
 	})
-	r.Run(":1188") // listen and serve on 0.0.0.0:1188
+	// by default, listen and serve on 0.0.0.0:1188
+	r.Run(fmt.Sprintf(":%v", port))
 }