space/clipboard-on-the-go
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Add statistics dashboard

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This commit is contained in:
Space-Banane
2026-01-17 15:48:05 +01:00
parent 6b73ca4b21
commit 207c5bbf7a
2 changed files with 90 additions and 9 deletions
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12
Readme.md
View File

@@ -5,6 +5,8 @@ A simple clipboard synchronization tool built with Go. It consists of a server a
- Real-time clipboard synchronization - Real-time clipboard synchronization
- Cross-platform support (Windows, macOS, Linux) - Cross-platform support (Windows, macOS, Linux)
- Easy to set up and use - Easy to set up and use
- Lightweight and efficient
- Optional statistics dashboard for monitoring connected clients and message relay counts
## Prerequisites ## Prerequisites
- Go programming language installed (version 1.16 or higher) - Go programming language installed (version 1.16 or higher)
@@ -27,6 +29,7 @@ const (
// Update these values before building // Update these values before building
EmbeddedServerIP = "0.0.0.0" EmbeddedServerIP = "0.0.0.0"
EmbeddedServerPort = "8080" EmbeddedServerPort = "8080"
EmbeddedServerStats = true
) )
``` ```
@@ -58,6 +61,15 @@ I use this on my home server, which i can connect to with tailscale, so i don't
Clients are identified by the `EmbeddedIdentification` value in the client config file. Make sure to set this to a unique value for each USER you want to sync. If you want to sync multiple devices for the same user, just run multiple instances of the client with the same `EmbeddedIdentification`. Clients are identified by the `EmbeddedIdentification` value in the client config file. Make sure to set this to a unique value for each USER you want to sync. If you want to sync multiple devices for the same user, just run multiple instances of the client with the same `EmbeddedIdentification`.
## Statistics Dashboard
If `EmbeddedServerStats` is set, the server will serve a live statistics dashboard at [http://localhost:8080/stats](http://localhost:8080/stats) showing:
- Number of connected clients
- Number of messages relayed
The dashboard uses [Tailwind CSS CDN](https://cdn.tailwindcss.com) for styling and updates live every second.
## License ## License
This project is licensed under the MIT License. This project is licensed under the MIT License.

87
server/server.go
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@@ -1,6 +1,7 @@
package main package main
import ( import (
"fmt"
"log" "log"
"net/http" "net/http"
"sync" "sync"
@@ -8,11 +9,50 @@ import (
"github.com/gorilla/websocket" "github.com/gorilla/websocket"
) )
var upgrader = websocket.Upgrader{ var (
CheckOrigin: func(r *http.Request) bool { upgrader = websocket.Upgrader{
return true CheckOrigin: func(r *http.Request) bool {
}, return true
} },
}
dashboardHTML = `
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Clipboard On The Go - Stats</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="bg-gray-100 min-h-screen flex flex-col items-center justify-center">
<div class="bg-white shadow-md rounded px-8 pt-6 pb-8 mb-4 w-full max-w-md">
<h1 class="text-2xl font-bold mb-4 text-center">Clipboard On The Go - Server Stats</h1>
<div class="mb-2 flex justify-between">
<span class="font-semibold">Connected Clients:</span>
<span id="clients" class="font-mono">0</span>
</div>
<div class="mb-2 flex justify-between">
<span class="font-semibold">Messages Relayed:</span>
<span id="messages" class="font-mono">0</span>
</div>
</div>
<script>
function updateStats() {
fetch('/stats/data')
.then(r => r.json())
.then(d => {
document.getElementById('clients').textContent = d.clients;
document.getElementById('messages').textContent = d.messages;
});
}
setInterval(updateStats, 1000);
updateStats();
</script>
</body>
</html>
`
)
type Client struct { type Client struct {
conn *websocket.Conn conn *websocket.Conn
@@ -26,6 +66,10 @@ type Server struct {
unregister chan *Client unregister chan *Client
broadcast chan *Message broadcast chan *Message
mu sync.RWMutex mu sync.RWMutex
// Statistics
statsEnabled bool
messagesRelayed uint64
} }
type Message struct { type Message struct {
@@ -36,10 +80,11 @@ type Message struct {
func newServer() *Server { func newServer() *Server {
return &Server{ return &Server{
clients: make(map[*Client]bool), clients: make(map[*Client]bool),
register: make(chan *Client), register: make(chan *Client),
unregister: make(chan *Client), unregister: make(chan *Client),
broadcast: make(chan *Message), broadcast: make(chan *Message),
statsEnabled: EmbeddedServerStats,
} }
} }
@@ -74,6 +119,11 @@ func (s *Server) run() {
} }
} }
s.mu.RUnlock() s.mu.RUnlock()
if s.statsEnabled {
s.mu.Lock()
s.messagesRelayed++
s.mu.Unlock()
}
} }
} }
} }
@@ -157,7 +207,26 @@ func main() {
handleWebSocket(server, w, r) handleWebSocket(server, w, r)
}) })
// Serve stats dashboard if enabled
if EmbeddedServerStats {
http.HandleFunc("/stats", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
fmt.Fprint(w, dashboardHTML)
})
http.HandleFunc("/stats/data", func(w http.ResponseWriter, r *http.Request) {
server.mu.RLock()
clients := len(server.clients)
messages := server.messagesRelayed
server.mu.RUnlock()
w.Header().Set("Content-Type", "application/json")
fmt.Fprintf(w, `{"clients":%d,"messages":%d}`, clients, messages)
})
}
log.Printf("Server starting on port %s", port) log.Printf("Server starting on port %s", port)
if EmbeddedServerStats {
log.Printf("Stats dashboard enabled at /stats")
}
err := http.ListenAndServe(":"+port, nil) err := http.ListenAndServe(":"+port, nil)
if err != nil { if err != nil {
log.Fatal("ListenAndServe error:", err) log.Fatal("ListenAndServe error:", err)