probe: helpers for services discovery

include/vlc_services_discovery.h

@@ -24,6 +24,10 @@
 #ifndef VLC_SERVICES_DISCOVERY_H_
 #define VLC_SERVICES_DISCOVERY_H_
 
+#include <vlc_input.h>
+#include <vlc_events.h>
+#include <vlc_probe.h>
+
 /**
  * \file
  * This file functions and structures for service discovery in vlc
@@ -37,9 +41,6 @@ extern "C" {
  * @{
  */
 
-#include <vlc_input.h>
-#include <vlc_events.h>
-
 struct services_discovery_t
 {
     VLC_COMMON_MEMBERS
@@ -88,6 +89,22 @@ VLC_EXPORT( vlc_event_manager_t *,  services_discovery_EventManager, ( services_
 VLC_EXPORT( void,                   services_discovery_AddItem, ( services_discovery_t * p_this, input_item_t * p_item, const char * psz_category ) );
 VLC_EXPORT( void,                   services_discovery_RemoveItem, ( services_discovery_t * p_this, input_item_t * p_item ) );
 
+
+/* SD probing */
+
+VLC_EXPORT(int, vlc_sd_probe_Add, (vlc_probe_t *, const char *, const char *));
+
+#define VLC_SD_PROBE_SUBMODULE \
+    add_submodule() \
+        set_capability( "services probe", 100 ) \
+        set_callbacks( vlc_sd_probe_Open, NULL )
+
+#define VLC_SD_PROBE_HELPER(name, longname) \
+static int vlc_sd_probe_Open (vlc_object_t *obj) \
+{ \
+    return vlc_sd_probe_Add ((struct vlc_probe_t *)obj, name, longname); \
+}
+
 /** @} */
 # ifdef __cplusplus
 }

src/libvlccore.sym

@@ -537,6 +537,7 @@ vlc_rwlock_wrlock
 vlc_savecancel
 vlc_sd_Create
 vlc_sd_GetNames
+vlc_sd_probe_Add
 vlc_sdp_Start
 vlc_sd_Start
 vlc_sd_Stop

src/playlist/services_discovery.c

@@ -33,14 +33,29 @@
 #include "playlist_internal.h"
 #include "../libvlc.h"
 
-#undef vlc_sd_GetNames
-
 typedef struct
 {
     char *name;
     char *longname;
 } vlc_sd_probe_t;
 
+int vlc_sd_probe_Add (vlc_probe_t *probe, const char *name,
+                      const char *longname)
+{
+    vlc_sd_probe_t names = { strdup(name), strdup(longname) };
+
+    if (unlikely (names.name == NULL || names.longname == NULL
+               || vlc_probe_add (probe, &names, sizeof (names))))
+    {
+        free (names.name);
+        free (names.longname);
+        return VLC_ENOMEM;
+    }
+    return VLC_PROBE_CONTINUE;
+}
+
+#undef vlc_sd_GetNames
+
 /**
  * Gets the list of available services discovery plugins.
  */