converge/cmd/tcptows/tcptows.go
Erik Brakkee 8981efd0b5 lots of restructuring.
Experimensts with websockets over yamux failed. Now going to use a
second connection to the server from the agent.
2024-07-20 21:55:34 +02:00

56 lines
1.1 KiB
Go

package main
import (
"cidebug/pkg/iowrappers"
"cidebug/pkg/websocketutil"
"github.com/gorilla/websocket"
"log"
"net"
"os"
)
func closeConnection(conn net.Conn) {
if tcpConn, ok := conn.(*net.TCPConn); ok {
tcpConn.SetLinger(0)
}
_ = conn.Close()
}
func handleConnection(conn net.Conn, wsURL string) {
defer closeConnection(conn)
log.Printf("Connecting to '%s'\n", wsURL)
_wsConn, _, err := websocket.DefaultDialer.Dial(wsURL, nil)
if err != nil {
log.Println("WebSocket connection error:", err)
return
}
wsConn := websocketutil.NewWebSocketConn(_wsConn)
defer wsConn.Close()
iowrappers.SynchronizeStreams(wsConn, conn)
}
func main() {
tcpPort := os.Args[1]
wsURL := os.Args[2]
listener, err := net.Listen("tcp", ":"+tcpPort)
if err != nil {
log.Fatal(err)
}
defer listener.Close()
log.Printf("TCP server listening on port %s\n", tcpPort)
log.Printf("Forwarding connections to WebSocket server at %s\n", wsURL)
for {
conn, err := listener.Accept()
if err != nil {
log.Println(err)
continue
}
go handleConnection(conn, wsURL)
}
}