socket: add nice_socket_is_base_of()

This will be used in the next commit.

Maniphest Tasks: T114
Reviewed-by: Philip Withnall <philip.withnall@collabora.co.uk>
Differential Revision: https://phabricator.freedesktop.org/D240

1 files changed, 10 insertions, 0 deletions

diff --git a/socket/http.c b/socket/http.c
index 404d378..3df3be4 100644
--- a/socket/http.c
+++ b/socket/http.c
@@ -95,6 +95,7 @@ static gboolean socket_is_reliable (NiceSocket *sock);
 static gboolean socket_can_send (NiceSocket *sock, NiceAddress *addr);
 static void socket_set_writable_callback (NiceSocket *sock,
     NiceSocketWritableCb callback, gpointer user_data);
+static gboolean socket_is_base_of (NiceSocket *sock, NiceSocket *other);
 
 NiceSocket *
 nice_http_socket_new (NiceSocket *base_socket,
@@ -126,6 +127,7 @@ nice_http_socket_new (NiceSocket *base_socket,
     sock->is_reliable = socket_is_reliable;
     sock->can_send = socket_can_send;
     sock->set_writable_callback = socket_set_writable_callback;
+    sock->is_base_of = socket_is_base_of;
     sock->close = socket_close;
 
     /* Send HTTP CONNECT */
@@ -642,3 +644,11 @@ socket_set_writable_callback (NiceSocket *sock,
 
   nice_socket_set_writable_callback (priv->base_socket, callback, user_data);
 }
+
+static gboolean
+socket_is_base_of (NiceSocket *sock, NiceSocket *other)
+{
+  HttpPriv *priv = other->priv;
+
+  return (sock == other) || nice_socket_is_base_of (sock, priv->base_socket);
+}