initial commit

server/README.MD

@@ -0,0 +1,4 @@
+# leaky-pool server
+
+Listens on port 8080 for new connections, accepts them and then closes them after one minute.
+

server/go.mod

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+module deadbeef.codes/steven/leaky-pool/server
+
+go 1.20

server/main.go

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+package main
+
+import (
+	"log"
+	"net"
+	"time"
+)
+
+func main() {
+	listenerAddr, err := net.ResolveTCPAddr("tcp4", ":6699")
+	if err != nil {
+		log.Fatalf("could not resolve listenAddr: %v", err)
+	}
+
+	listener, err := net.ListenTCP("tcp", listenerAddr)
+	if err != nil {
+		log.Fatalf("could not listen on address '%s': %v", listenerAddr.String(), err)
+	}
+
+	for {
+		conn, err := listener.Accept()
+		if err != nil {
+			log.Printf("failed to accept new incoming connection: %v", err) // if logging facility has latency this will block
+			continue
+		}
+		go connHandler(conn) // branch off into goroutine so we're not blocking
+	}
+}
+
+func connHandler(conn net.Conn) {
+	log.Printf("accepted new connection from: %s", conn.RemoteAddr().String())
+
+	conn.SetReadDeadline(time.Now().Add(time.Second))
+
+	for {
+
+		buf := make([]byte, 128)
+		bytesRead, err := conn.Read(buf)
+		if err == nil && bytesRead > 0 {
+			log.Printf("Incoming message over socket '%s': %s", conn.RemoteAddr().String(), string(buf))
+		}
+
+		_, err = conn.Write([]byte("1"))
+		if err != nil {
+			log.Printf("failed writing to connection '%s': %v", conn.RemoteAddr().String(), err)
+			conn.Close()
+			break
+		}
+
+		time.Sleep(time.Second)
+	}
+
+}