[jsonrpc-glib] input-stream: add debugging for gvariant messages

[Christian Hergert <chergert src gnome org>]

commit 784420f55f9a295233f12b5a1fbe73071195a2cd
Author: Christian Hergert <chergert redhat com>
Date:   Tue Apr 24 18:40:32 2018 -0700

    input-stream: add debugging for gvariant messages

 src/jsonrpc-input-stream.c | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/src/jsonrpc-input-stream.c b/src/jsonrpc-input-stream.c
index b828985..a4b3d13 100644
--- a/src/jsonrpc-input-stream.c
+++ b/src/jsonrpc-input-stream.c
@@ -130,6 +130,12 @@ jsonrpc_input_stream_read_body_cb (GObject      *object,
                                          g_free,
                                          state->buffer);
       state->buffer = NULL;
+
+      if G_UNLIKELY (jsonrpc_input_stream_debug && state->use_gvariant)
+        {
+          g_autofree gchar *debugstr = g_variant_print (message, TRUE);
+          g_message ("<<< %s", debugstr);
+        }
     }
   else
     {