1 files changed, 47 insertions, 0 deletions
diff --git a/src/lib/net/network_sys.c b/src/lib/net/network_sys.c
new file mode 100644
index 0000000000..e95c3ba819
--- /dev/null
+++ b/src/lib/net/network_sys.c
@@ -0,0 +1,47 @@
+/* Copyright (c) 2018-2020, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file network_sys.c
+ * \brief Subsystem object for networking setup.
+ **/
+
+#include "orconfig.h"
+#include "lib/subsys/subsys.h"
+#include "lib/net/network_sys.h"
+#include "lib/net/resolve.h"
+#include "lib/net/socket.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#endif
+
+static int
+subsys_network_initialize(void)
+{
+  if (network_init() < 0)
+    return -1;
+
+  return 0;
+}
+
+static void
+subsys_network_shutdown(void)
+{
+#ifdef _WIN32
+  WSACleanup();
+#endif
+  tor_free_getaddrinfo_cache();
+}
+
+const subsys_fns_t sys_network = {
+  .name = "network",
+  SUBSYS_DECLARE_LOCATION(),
+  /* Network depends on logging, and a lot of other modules depend on network.
+   */
+  .level = -55,
+  .supported = true,
+  .initialize = subsys_network_initialize,
+  .shutdown = subsys_network_shutdown,
+};