Set SO_REUSEADDR and SO_REUSEPORT socket options

This allows the server to reuse the same address and port when
repeatedly running and stopping the server while testing things instead
of quitting with the "Address already in use" error.

1 files changed, 4 insertions, 2 deletions

diff --git a/src/ServerConnection.cpp b/src/ServerConnection.cpp
index f9eb666..d9e0203 100644
--- a/src/ServerConnection.cpp
+++ b/src/ServerConnection.cpp
@@ -5,7 +5,6 @@
 #include <signal.h>
 #include <unistd.h>
 #include <arpa/inet.h>
-#include <strings.h>
 #include <sys/time.h>
 #include <sys/ioctl.h>
 #include <netdb.h>
@@ -21,11 +20,14 @@ static void error_and_die(const char* message)
 ServerConnection::ServerConnection(int port)
 {
 	sockaddr_in address;
+	int socket_options = 1;
 
 	if ((m_socket_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
 		error_and_die("Failed to create socket");
 
-	bzero(&address, sizeof(address));
+	if (setsockopt(m_socket_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &socket_options, sizeof(socket_options)))
+			error_and_die("setsockopt");
+
 	address.sin_family      = AF_INET;
 	address.sin_addr.s_addr = htonl(INADDR_ANY);
 	address.sin_port        = htons(port);