socket: enforce limit on number of concurrent connections

1 files changed, 5 insertions, 0 deletions

diff --git a/src/socket.h b/src/socket.h
index 5a2cd06d9d..31b3870ef6 100644
--- a/src/socket.h
+++ b/src/socket.h
@@ -103,6 +103,8 @@ struct Socket {
 
         bool accept;
         unsigned n_accepted;
+        unsigned n_connections;
+        unsigned max_connections;
 
         bool failure;
         Watch timer_watch;
@@ -118,6 +120,9 @@ void socket_notify_service_dead(Socket *s);
  * any of the sockets of this socket */
 int socket_add_one_mount_link(Socket *s, Mount *m);
 
+/* Called from the service code when a per-connection service ended */
+void socket_connection_unref(Socket *s);
+
 extern const UnitVTable socket_vtable;
 
 const char* socket_state_to_string(SocketState i);