From af8dc072c1e0ac96483b65a69007b94cb4db2abb Mon Sep 17 00:00:00 2001
From: hugogogo <hugogogo@protonmail.com>
Date: Sun, 31 Jul 2022 12:31:55 +0200
Subject: [PATCH] added setsockopt to avoid reusability issue on socket fd

---
 srcs/webserv/init.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/srcs/webserv/init.cpp b/srcs/webserv/init.cpp
index b773964..4c5956e 100644
--- a/srcs/webserv/init.cpp
+++ b/srcs/webserv/init.cpp
@@ -24,6 +24,18 @@ void	Webserv::init_virtual_servers(std::vector<ServerConfig>* servers)
 			std::perror("err socket()");
 			throw std::runtime_error("Socket init");
 		}
+		// HUGO ADD
+		//
+		// allow socket descriptor to be reuseable
+		// I just copied it from https://www.ibm.com/docs/en/i/7.2?topic=designs-example-nonblocking-io-select
+		int	on = 1;
+		if (setsockopt(ret, SOL_SOCKET,  SO_REUSEADDR, (char *)&on, sizeof(on)) < 0)
+		{
+			::perror("err setsockopt()");
+			throw std::runtime_error("Socket init");
+		}
+		//
+		// HUGO ADD END
 		_listen_sockets.push_back(ret);
 
 		_bind(_listen_sockets.back(), std::atoi(it->port.data()), it->host);