Created
August 5, 2023 16:11
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A UNIX socket server written in Go
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// A UNIX socket server written in Go, using the net package. | |
package main | |
import ( | |
"fmt" | |
"net" | |
"os" | |
) | |
func main() { | |
// Remove any existing socket | |
os.Remove("/tmp/echo.sock") | |
// Create a listener | |
listener, err := net.Listen("unix", "/tmp/echo.sock") | |
if err != nil { | |
fmt.Println("Error while listening", err) | |
return | |
} | |
fmt.Println("Listening on socket /tmp/echo.sock...") | |
fmt.Println("===> Connect using netcat: `nc -U /tmp/echo.sock`") | |
fmt.Println("===> Connect using curl: `curl -s --unix-socket /tmp/echo.sock http://localhost/`") | |
fmt.Println("===> Press CTRL+C to exit.") | |
// Accept connections | |
for { | |
conn, err := listener.Accept() | |
if err != nil { | |
fmt.Println("Error while accepting connection", err) | |
return | |
} | |
// Handle the connection | |
buf := make([]byte, 512) | |
for { | |
nr, err := conn.Read(buf) | |
if err != nil { | |
fmt.Println("Error while reading from the socket", err) | |
return | |
} | |
data := buf[0:nr] | |
fmt.Printf("%v", string(data)) | |
break | |
} | |
conn.Close() | |
} | |
// Close the listener socket | |
defer listener.Close() | |
} |
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