* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
/* SAP is always on that port */
#define IPPORT_SAP 9875
+struct session_descriptor_t
+{
+ struct sockaddr_storage orig;
+ socklen_t origlen;
+ struct sockaddr_storage addr;
+ socklen_t addrlen;
+
+ char *psz_sdp;
+ bool b_ssm;
+};
+
/* A SAP session descriptor, enqueued in the SAP handler queue */
typedef struct sap_session_t
{
#define MIN_INTERVAL 2
#define MAX_INTERVAL 300
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
static void *RunThread (void *);
/**
* \param p_announce a VLC object
* \return the newly created SAP handler or NULL on error
*/
-sap_handler_t *SAP_Create (vlc_object_t *p_announce)
+static sap_handler_t *SAP_Create (vlc_object_t *p_announce)
{
sap_handler_t *p_sap;
return p_sap;
}
-void SAP_Destroy (sap_handler_t *p_sap)
+static void SAP_Destroy (sap_handler_t *p_sap)
{
assert (p_sap->first == NULL);
vlc_mutex_destroy (&p_sap->lock);
/**
* Add a SAP announce
*/
-int SAP_Add (sap_handler_t *p_sap, session_descriptor_t *p_session)
+static int SAP_Add (sap_handler_t *p_sap, session_descriptor_t *p_session)
{
int i;
char psz_addr[NI_MAXNUMERICHOST];
/**
* Remove a SAP Announce
*/
-void SAP_Del (sap_handler_t *p_sap, const session_descriptor_t *p_session)
+static void SAP_Del (sap_handler_t *p_sap,
+ const session_descriptor_t *p_session)
{
vlc_mutex_lock (&p_sap->lock);
free (session);
}
+
+/****************************************************************************
+ * Sout-side functions
+ ****************************************************************************/
+
+static void sap_destroy (vlc_object_t *p_this)
+{
+ libvlc_priv (p_this->p_libvlc)->p_sap = NULL;
+}
+
+#undef sout_AnnounceRegisterSDP
+
+static vlc_mutex_t sap_mutex = VLC_STATIC_MUTEX;
+
+/**
+ * Registers a new session with the announce handler, using a pregenerated SDP
+ *
+ * \param obj a VLC object
+ * \param psz_sdp the SDP to register
+ * \param psz_dst session address (needed for SAP address auto detection)
+ * \return the new session descriptor structure
+ */
+session_descriptor_t *
+sout_AnnounceRegisterSDP( vlc_object_t *obj, const char *psz_sdp,
+ const char *psz_dst )
+{
+ session_descriptor_t *p_session = calloc( 1, sizeof (*p_session) );
+ if( !p_session )
+ return NULL;
+
+ p_session->psz_sdp = strdup( psz_sdp );
+
+ /* GRUIK. We should not convert back-and-forth from string to numbers */
+ struct addrinfo *res;
+ if (vlc_getaddrinfo (psz_dst, 0, NULL, &res) == 0)
+ {
+ if (res->ai_addrlen <= sizeof (p_session->addr))
+ memcpy (&p_session->addr, res->ai_addr,
+ p_session->addrlen = res->ai_addrlen);
+ freeaddrinfo (res);
+ }
+
+ vlc_mutex_lock (&sap_mutex);
+ sap_handler_t *p_sap = libvlc_priv (obj->p_libvlc)->p_sap;
+ if (p_sap == NULL)
+ {
+ p_sap = SAP_Create (VLC_OBJECT (obj->p_libvlc));
+ libvlc_priv (obj->p_libvlc)->p_sap = p_sap;
+ vlc_object_set_destructor ((vlc_object_t *)p_sap, sap_destroy);
+ }
+ else
+ vlc_object_hold ((vlc_object_t *)p_sap);
+ vlc_mutex_unlock (&sap_mutex);
+
+ if (p_sap == NULL)
+ goto error;
+
+ msg_Dbg (obj, "adding SAP session");
+ if (SAP_Add (p_sap, p_session))
+ {
+ vlc_mutex_lock (&sap_mutex);
+ vlc_object_release ((vlc_object_t *)p_sap);
+ vlc_mutex_unlock (&sap_mutex);
+ goto error;
+ }
+
+ return p_session;
+
+error:
+ free (p_session->psz_sdp);
+ free (p_session);
+ return NULL;
+}
+
+#undef sout_AnnounceUnRegister
+/**
+ * Unregisters an existing session
+ *
+ * \param obj a VLC object
+ * \param p_session the session descriptor
+ * \return VLC_SUCCESS or an error
+ */
+int sout_AnnounceUnRegister( vlc_object_t *obj,
+ session_descriptor_t *p_session )
+{
+ sap_handler_t *p_sap = libvlc_priv (obj->p_libvlc)->p_sap;
+
+ msg_Dbg (obj, "removing SAP session");
+ SAP_Del (p_sap, p_session);
+
+ vlc_mutex_lock (&sap_mutex);
+ vlc_object_release ((vlc_object_t *)p_sap);
+ vlc_mutex_unlock (&sap_mutex);
+
+ free (p_session->psz_sdp);
+ free (p_session);
+
+ return 0;
+}