Split up the client and server parts in a separate network library

1 files changed, 31 insertions, 0 deletions

diff --git a/libcmix-network/server.cpp b/libcmix-network/server.cpp
new file mode 100644
index 0000000..cb2bd34
--- /dev/null
+++ b/libcmix-network/server.cpp
@@ -0,0 +1,31 @@
+#include "server.hpp"
+
+using namespace boost::asio::ip;
+using namespace boost::asio;
+
+Server::Server(io_service& io_service, const ListenSettings& listen_settings, AcceptHandler accept_handler)
+: listen_settings(listen_settings)
+, v4_acceptor(io_service, address_v4::from_string(listen_settings.ipv4_inaddr), listen_settings.port)
+, v6_acceptor(io_service, address_v6::from_string(listen_settings.ipv6_inaddr), listen_settings.port)
+{
+	/*
+	 * We can't bind both a v4 and v6 socket to both inaddr4_any and inaddr6_any.
+	 * So in case both ipv4 and ipv6 are enabled and both want to bind to their 
+	 * respective inaddr_any we need to bind to v6 any and disable ipv6 only on
+	 * the acceptor socket, else we can just bind to the interfaces normally.
+	 */
+	bool bind_v4_any = v4_acceptor.get_address().to_v4() == address_v4::any() && listen_settings.enable_ipv4;
+	bool bind_v6_any = v6_acceptor.get_address().to_v6() == address_v6::any() && listen_settings.enable_ipv6;
+	if(bind_v4_any && bind_v6_any) {
+		v6_acceptor.bind_v6_and_v4_any(accept_handler);
+	} else if(bind_v4_any || bind_v6_any) {
+		throw std::runtime_error("Cannot bind an INADDR_ANY and a non INADDR_ANY address on ipv4 and ipv6");
+	} else {
+		if(listen_settings.enable_ipv4) {
+			v4_acceptor.setup_listen_socket(accept_handler);
+		}
+		if(listen_settings.enable_ipv6) {
+			v6_acceptor.setup_listen_socket(accept_handler);
+		}
+	}
+}
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