From d50980b10f0e3965fdf518b580cf5690760c908a Mon Sep 17 00:00:00 2001
From: Lion Kortlepel <development@kortlepel.com>
Date: Thu, 5 May 2022 00:51:33 +0200
Subject: [PATCH] Use SO_DONTLINGER to fix bind() address in use error

This will ensure the socket does not linger,
which fixes the common and *super* annoying issue of "bind(): address
already in use"
---
 src/Network/Server.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Network/Server.cpp b/src/Network/Server.cpp
index 28302aa..74adc61 100644
--- a/src/Network/Server.cpp
+++ b/src/Network/Server.cpp
@@ -33,6 +33,11 @@ void Server::TCPClientMain() {
         LOG(ERROR) << "Socket failed! Error code: " << WSAGetLastError();
         return;
     }
+    const char optval = 0;
+    int status = ::setsockopt(TCPSocket, SOL_SOCKET, SO_DONTLINGER, &optval, sizeof(optval));
+    if (status < 0) {
+        LOG(INFO) << "Failed to set DONTLINGER: " << GetSocketApiError();
+    }
     ServerAddr.sin_family = AF_INET;
     ServerAddr.sin_port = htons(Port);
     inet_pton(AF_INET, IP.c_str(), &ServerAddr.sin_addr);