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[GH-ISSUE #2516] Make a Go Desktop Application FRP Client #1997

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opened 2026-05-05 13:17:28 -06:00 by gitea-mirror · 7 comments
gitea-mirror commented 2026-05-05 13:17:28 -06:00
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Originally created by @hinupurthakur on GitHub (Aug 6, 2021).
Original GitHub issue: https://github.com/fatedier/frp/issues/2516

The solution you want

Instead of using the CLI to start a FRP Client, I want to use this repository as a package, On exploring I found out https://github.com/fatedier/frp/blob/dev/client/service.go but how to create a client with the following .ini:

[common]
server_addr = {{ .Envs.FRP_SERVER_ADDR }}
server_port = {{ .Envs.FRP_SERVER_PORT }}

[wev]
type = {{ .Envs.FRP_WEB_TYPE }}
local_port = {{ .Envs.FRP_WEB_LOCAL_PORT }}
custom_domains = {{ .Envs.FRP_WEB_CUSTOM_DOMAINS }}

Alternatives considered

How to implement this function

Application scenarios of this function

I implemented something like this:

func StartClient() {
	cfg, err := ini.Load("./src/frpc/frpc.ini")
	if err != nil {
		fmt.Printf("Fail to read file: %v", err)
		os.Exit(1)
	}

	clientcfg := config.GetDefaultClientConf()
	clientcfg.ServerAddr = cfg.Section("common").Key("server_addr").String()
	clientcfg.ServerPort = cfg.Section("common").Key("server_port").MustInt()
	
	svr, err := client.NewService(clientcfg, nil, nil, "./src/frpc/frpc.ini")
	if err != nil {
		log.Errorln(err)
	}
	err = svr.Run()
	if err != nil {
		return
	}
}

BUt I am not able to understand what should be the values of VisitorCfg and ProxyCfg. And How to use the [web] section of the .ini file as we can use in CLI

From the above code I am getting the following logs:

2021/08/06 12:40:25 [I] [service.go:304] [f232664391e39fef] login to server success, get run id [f232664391e39fef], server udp port [0]
2021/08/06 12:40:25 [W] [control.go:261] [f232664391e39fef] read error: message type error
2021/08/06 12:40:25 [I] [control.go:282] [f232664391e39fef] control writer is closing
2021/08/06 12:40:25 [I] [visitor_manager.go:60] [f232664391e39fef] gracefully shutdown visitor manager
2021/08/06 12:40:25 [I] [service.go:177] [f232664391e39fef] try to reconnect to server...
2021/08/06 12:40:26 [I] [service.go:304] [f232664391e39fef] login to server success, get run id [f232664391e39fef], server udp port [0]
Originally created by @hinupurthakur on GitHub (Aug 6, 2021). Original GitHub issue: https://github.com/fatedier/frp/issues/2516 <!-- From Chinese to English by machine translation, welcome to revise and polish. --> **The solution you want** <!--A clear and concise description of the solution you want. --> Instead of using the CLI to start a FRP Client, I want to use this repository as a package, On exploring I found out https://github.com/fatedier/frp/blob/dev/client/service.go but how to create a client with the following .ini: ``` [common] server_addr = {{ .Envs.FRP_SERVER_ADDR }} server_port = {{ .Envs.FRP_SERVER_PORT }} [wev] type = {{ .Envs.FRP_WEB_TYPE }} local_port = {{ .Envs.FRP_WEB_LOCAL_PORT }} custom_domains = {{ .Envs.FRP_WEB_CUSTOM_DOMAINS }} ``` **Alternatives considered** <!--A clear and concise description of any alternative solutions or features you have considered. --> **How to implement this function** <!--Implementation steps for the solution you want. --> **Application scenarios of this function** <!--Make a clear and concise description of the application scenario of the solution you want. --> I implemented something like this: ``` func StartClient() { cfg, err := ini.Load("./src/frpc/frpc.ini") if err != nil { fmt.Printf("Fail to read file: %v", err) os.Exit(1) } clientcfg := config.GetDefaultClientConf() clientcfg.ServerAddr = cfg.Section("common").Key("server_addr").String() clientcfg.ServerPort = cfg.Section("common").Key("server_port").MustInt() svr, err := client.NewService(clientcfg, nil, nil, "./src/frpc/frpc.ini") if err != nil { log.Errorln(err) } err = svr.Run() if err != nil { return } } ``` BUt I am not able to understand what should be the values of VisitorCfg and ProxyCfg. And How to use the `[web]` section of the .ini file as we can use in CLI From the above code I am getting the following logs: ``` 2021/08/06 12:40:25 [I] [service.go:304] [f232664391e39fef] login to server success, get run id [f232664391e39fef], server udp port [0] 2021/08/06 12:40:25 [W] [control.go:261] [f232664391e39fef] read error: message type error 2021/08/06 12:40:25 [I] [control.go:282] [f232664391e39fef] control writer is closing 2021/08/06 12:40:25 [I] [visitor_manager.go:60] [f232664391e39fef] gracefully shutdown visitor manager 2021/08/06 12:40:25 [I] [service.go:177] [f232664391e39fef] try to reconnect to server... 2021/08/06 12:40:26 [I] [service.go:304] [f232664391e39fef] login to server success, get run id [f232664391e39fef], server udp port [0] ```
gitea-mirror 2026-05-05 13:17:28 -06:00
gitea-mirror commented 2026-05-05 13:17:31 -06:00
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@fatedier commented on GitHub (Aug 6, 2021):

ProxyCfg and VisitorCfg is parsed from ini file. You can find code here https://github.com/fatedier/frp/blob/dev/pkg/config/client.go

It's not designed as package to use now. Maybe it's difficult for you.

But i plan to refactor codes to make things easy.

<!-- gh-comment-id:894062466 --> @fatedier commented on GitHub (Aug 6, 2021): ProxyCfg and VisitorCfg is parsed from ini file. You can find code here https://github.com/fatedier/frp/blob/dev/pkg/config/client.go It's not designed as package to use now. Maybe it's difficult for you. But i plan to refactor codes to make things easy.
gitea-mirror commented 2026-05-05 13:17:32 -06:00
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@hinupurthakur commented on GitHub (Aug 6, 2021):

@fatedier I checked that too, but I am not able to understand what should be the value to be passed for ProxyCfg and VisitorCfg to the function client.NewService() so that I can use the .ini file provided above and start a frp client.

<!-- gh-comment-id:894064027 --> @hinupurthakur commented on GitHub (Aug 6, 2021): @fatedier I checked that too, but I am not able to understand what should be the value to be passed for ProxyCfg and VisitorCfg to the function client.NewService() so that I can use the .ini file provided above and start a frp client.
gitea-mirror commented 2026-05-05 13:17:33 -06:00
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@fatedier commented on GitHub (Aug 6, 2021):

You should read more codes by yourself. Maybe https://github.com/fatedier/frp/blob/dev/cmd/frpc/sub/root.go#L168

<!-- gh-comment-id:894067293 --> @fatedier commented on GitHub (Aug 6, 2021): You should read more codes by yourself. Maybe https://github.com/fatedier/frp/blob/dev/cmd/frpc/sub/root.go#L168
gitea-mirror commented 2026-05-05 13:17:34 -06:00
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@hinupurthakur commented on GitHub (Aug 6, 2021):

@fatedier Thanks for the help! but I am still getting such logs. Should I also make the control.go code local to my project?

2021/08/06 15:10:00 [I] [service.go:304] [6894c0ccad350077] login to server success, get run id [6894c0ccad350077], server udp port [0]
2021/08/06 15:10:00 [I] [proxy_manager.go:144] [6894c0ccad350077] proxy added: [web]
2021/08/06 15:10:00 [W] [control.go:261] [6894c0ccad350077] read error: message type error
2021/08/06 15:10:00 [I] [control.go:282] [6894c0ccad350077] control writer is closing
2021/08/06 15:10:00 [I] [visitor_manager.go:60] [6894c0ccad350077] gracefully shutdown visitor manager
2021/08/06 15:10:00 [I] [service.go:177] [6894c0ccad350077] try to reconnect to server...
2021/08/06 15:10:00 [I] [service.go:304] [6894c0ccad350077] login to server success, get run id [6894c0ccad350077], server udp port [0]
2021/08/06 15:10:00 [I] [proxy_manager.go:144] [6894c0ccad350077] proxy added: [web]
2021/08/06 15:10:00 [W] [control.go:261] [6894c0ccad350077] read error: message type error
2021/08/06 15:10:00 [W] [control.go:287] [6894c0ccad350077] write message to control connection error: stream closed
2021/08/06 15:10:00 [I] [service.go:177] [6894c0ccad350077] try to reconnect to server...
2021/08/06 15:10:00 [I] [visitor_manager.go:60] [6894c0ccad350077] gracefully shutdown visitor manager
2021/08/06 15:10:01 [I] [service.go:304] [6894c0ccad350077] login to server success, get run id [6894c0ccad350077], server udp port [0]
2021/08/06 15:10:01 [I] [proxy_manager.go:144] [6894c0ccad350077] proxy added: [web]
2021/08/06 15:10:01 [W] [control.go:261] [6894c0ccad350077] read error: message type error
2021/08/06 15:10:01 [W] [control.go:287] [6894c0ccad350077] write message to control connection error: stream closed
2021/08/06 15:10:01 [I] [visitor_manager.go:60] [6894c0ccad350077] gracefully shutdown visitor manager
2021/08/06 15:10:01 [I] [service.go:177] [6894c0ccad350077] try to reconnect to server...
2021/08/06 15:10:01 [I] [service.go:304] [6894c0ccad350077] login to server success, get run id [6894c0ccad350077], server udp port [0]
2021/08/06 15:10:01 [I] [proxy_manager.go:144] [6894c0ccad350077] proxy added: [web]
2021/08/06 15:10:01 [W] [control.go:261] [6894c0ccad350077] read error: message type error
2021/08/06 15:10:01 [I] [control.go:282] [6894c0ccad350077] control writer is closing
2021/08/06 15:10:01 [I] [visitor_manager.go:60] [6894c0ccad350077] gracefully shutdown visitor manager
2021/08/06 15:10:02 [I] [service.go:177] [6894c0ccad350077] try to reconnect to server...
2021/08/06 15:10:03 [I] [service.go:304] [6894c0ccad350077] login to server success, get run id [6894c0ccad350077], server udp port [0]
2021/08/06 15:10:03 [I] [proxy_manager.go:144] [6894c0ccad350077] proxy added: [web]
2021/08/06 15:10:03 [W] [control.go:261] [6894c0ccad350077] read error: message type error
2021/08/06 15:10:03 [I] [control.go:282] [6894c0ccad350077] control writer is closing
2021/08/06 15:10:03 [I] [visitor_manager.go:60] [6894c0ccad350077] gracefully shutdown visitor manager
2021/08/06 15:10:05 [I] [service.go:177] [6894c0ccad350077] try to reconnect to server...
2021/08/06 15:10:05 [I] [service.go:304] [6894c0ccad350077] login to server success, get run id [6894c0ccad350077], server udp port [0]
<!-- gh-comment-id:894140974 --> @hinupurthakur commented on GitHub (Aug 6, 2021): @fatedier Thanks for the help! but I am still getting such logs. Should I also make the `control.go` code local to my project? ``` 2021/08/06 15:10:00 [I] [service.go:304] [6894c0ccad350077] login to server success, get run id [6894c0ccad350077], server udp port [0] 2021/08/06 15:10:00 [I] [proxy_manager.go:144] [6894c0ccad350077] proxy added: [web] 2021/08/06 15:10:00 [W] [control.go:261] [6894c0ccad350077] read error: message type error 2021/08/06 15:10:00 [I] [control.go:282] [6894c0ccad350077] control writer is closing 2021/08/06 15:10:00 [I] [visitor_manager.go:60] [6894c0ccad350077] gracefully shutdown visitor manager 2021/08/06 15:10:00 [I] [service.go:177] [6894c0ccad350077] try to reconnect to server... 2021/08/06 15:10:00 [I] [service.go:304] [6894c0ccad350077] login to server success, get run id [6894c0ccad350077], server udp port [0] 2021/08/06 15:10:00 [I] [proxy_manager.go:144] [6894c0ccad350077] proxy added: [web] 2021/08/06 15:10:00 [W] [control.go:261] [6894c0ccad350077] read error: message type error 2021/08/06 15:10:00 [W] [control.go:287] [6894c0ccad350077] write message to control connection error: stream closed 2021/08/06 15:10:00 [I] [service.go:177] [6894c0ccad350077] try to reconnect to server... 2021/08/06 15:10:00 [I] [visitor_manager.go:60] [6894c0ccad350077] gracefully shutdown visitor manager 2021/08/06 15:10:01 [I] [service.go:304] [6894c0ccad350077] login to server success, get run id [6894c0ccad350077], server udp port [0] 2021/08/06 15:10:01 [I] [proxy_manager.go:144] [6894c0ccad350077] proxy added: [web] 2021/08/06 15:10:01 [W] [control.go:261] [6894c0ccad350077] read error: message type error 2021/08/06 15:10:01 [W] [control.go:287] [6894c0ccad350077] write message to control connection error: stream closed 2021/08/06 15:10:01 [I] [visitor_manager.go:60] [6894c0ccad350077] gracefully shutdown visitor manager 2021/08/06 15:10:01 [I] [service.go:177] [6894c0ccad350077] try to reconnect to server... 2021/08/06 15:10:01 [I] [service.go:304] [6894c0ccad350077] login to server success, get run id [6894c0ccad350077], server udp port [0] 2021/08/06 15:10:01 [I] [proxy_manager.go:144] [6894c0ccad350077] proxy added: [web] 2021/08/06 15:10:01 [W] [control.go:261] [6894c0ccad350077] read error: message type error 2021/08/06 15:10:01 [I] [control.go:282] [6894c0ccad350077] control writer is closing 2021/08/06 15:10:01 [I] [visitor_manager.go:60] [6894c0ccad350077] gracefully shutdown visitor manager 2021/08/06 15:10:02 [I] [service.go:177] [6894c0ccad350077] try to reconnect to server... 2021/08/06 15:10:03 [I] [service.go:304] [6894c0ccad350077] login to server success, get run id [6894c0ccad350077], server udp port [0] 2021/08/06 15:10:03 [I] [proxy_manager.go:144] [6894c0ccad350077] proxy added: [web] 2021/08/06 15:10:03 [W] [control.go:261] [6894c0ccad350077] read error: message type error 2021/08/06 15:10:03 [I] [control.go:282] [6894c0ccad350077] control writer is closing 2021/08/06 15:10:03 [I] [visitor_manager.go:60] [6894c0ccad350077] gracefully shutdown visitor manager 2021/08/06 15:10:05 [I] [service.go:177] [6894c0ccad350077] try to reconnect to server... 2021/08/06 15:10:05 [I] [service.go:304] [6894c0ccad350077] login to server success, get run id [6894c0ccad350077], server udp port [0] ```
gitea-mirror commented 2026-05-05 13:17:35 -06:00
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@hinupurthakur commented on GitHub (Aug 6, 2021):

@fatedier Or is there any other way to use frp without installing it manually on the Client side?

<!-- gh-comment-id:894226812 --> @hinupurthakur commented on GitHub (Aug 6, 2021): @fatedier Or is there any other way to use frp without installing it manually on the Client side?
gitea-mirror commented 2026-05-05 13:17:36 -06:00
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@hinupurthakur commented on GitHub (Aug 9, 2021):

@fatedier Update on this task There are new logs:

2021/08/09 17:52:06 [W] [control.go:261] [5d59546259a70e7a] read error: message length exceed the limit
2021/08/09 17:52:06 [W] [control.go:287] [5d59546259a70e7a] write message to control connection error: stream closed```
<!-- gh-comment-id:895178983 --> @hinupurthakur commented on GitHub (Aug 9, 2021): @fatedier Update on this task There are new logs: ``` 2021/08/09 17:52:06 [W] [control.go:261] [5d59546259a70e7a] read error: message length exceed the limit 2021/08/09 17:52:06 [W] [control.go:287] [5d59546259a70e7a] write message to control connection error: stream closed```
gitea-mirror commented 2026-05-05 13:17:37 -06:00
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@github-actions[bot] commented on GitHub (Sep 9, 2021):

Issues go stale after 30d of inactivity. Stale issues rot after an additional 7d of inactivity and eventually close.

<!-- gh-comment-id:915665553 --> @github-actions[bot] commented on GitHub (Sep 9, 2021): Issues go stale after 30d of inactivity. Stale issues rot after an additional 7d of inactivity and eventually close.
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