* configure.ac : we need to define HAVE_SLP_H

[vlc] / src / stream_output / announce.c

diff --git a/src/stream_output/announce.c b/src/stream_output/announce.c
index 90d664b40c258214909e2196614e82a1dcd08ccd..306942b8af5c2e4d77879c049b2fb4283e6cd4af 100644 (file)
--- a/src/stream_output/announce.c
+++ b/src/stream_output/announce.c
@@ -46,6 +46,10 @@
 #   include <sys/socket.h>
 #endif
 
+#ifdef HAVE_SLP_H
+# include <slp.h>
+#endif
+
 #include "announce.h"
 #include "network.h"
 
@@ -391,3 +395,118 @@ void sout_SAPSend( sout_instance_t *p_sout, sap_session_t * p_sap )
     free( psz_head );
 }
 
+
+   
+/*****************************************************************************
+ * sout_SLPBuildName: Builds a service name according to SLP standard
+ *****************************************************************************/
+char * sout_SLPBuildName(char *psz_url,char *psz_name)
+{
+    char *psz_service;
+    unsigned int i_size;
+
+    /* name to build is: service:$(name).videolan://$(url) */
+
+    i_size =  8 + strlen(psz_name) + 12 + strlen(psz_url) + 1;
+
+    psz_service=(char *)malloc(i_size * sizeof(char));
+
+    snprintf( psz_service , i_size, 
+              "service:%s.videolan://%s",
+              psz_name,psz_url);
+    psz_service[i_size]='\0'; /* Just to make sure */    
+
+    return psz_service;
+    
+}
+
+/*****************************************************************************
+ * sout_SLPReport: Reporting function. Unused at the moment but needed
+ *****************************************************************************/
+#ifdef HAVE_SLP_H
+void sout_SLPReport(SLPHandle slp_handle,SLPError slp_error,void* cookie)
+{
+}  
+#endif
+
+/*****************************************************************************
+ * sout_SLPReg: Registers the program with SLP
+ *****************************************************************************/
+int sout_SLPReg( sout_instance_t *p_sout, char * psz_url,
+                               char * psz_name)
+{
+#ifdef HAVE_SLP_H
+    SLPHandle   slp_handle; 
+    SLPError    slp_res;
+    char *psz_service= sout_SLPBuildName(psz_url,psz_name);
+        
+    if( SLPOpen( NULL, SLP_FALSE, &slp_handle ) != SLP_OK)
+    {
+        msg_Warn(p_sout,"Unable to initialize SLP");
+        return -1;
+    } 
+
+    msg_Info(p_sout , "Registering %s (name: %s) in SLP",
+                      psz_service , psz_name);
+    
+    slp_res = SLPReg ( slp_handle,
+            psz_service,
+            SLP_LIFETIME_MAXIMUM,
+            NULL,
+            psz_name,
+            SLP_TRUE,
+            sout_SLPReport,
+            NULL );
+    
+    if( slp_res != SLP_OK )
+    {
+        msg_Warn(p_sout,"Error while registering service: %i", slp_res );
+        return -1;
+    }
+
+    return 0;
+
+#else /* This function should never be called if this is false */
+    return -1 
+#endif
+}
+
+
+/*****************************************************************************
+ * sout_SLDePReg: Unregisters the program from SLP
+ *****************************************************************************/
+int sout_SLPDereg( sout_instance_t *p_sout, char * psz_url,
+                               char * psz_name)
+{
+#ifdef HAVE_SLP_H
+
+    SLPHandle   slp_handle; 
+    SLPError    slp_res;
+    char *psz_service= sout_SLPBuildName(psz_url,psz_name);
+        
+    if( SLPOpen( NULL, SLP_FALSE, &slp_handle ) != SLP_OK)
+    {
+        msg_Warn(p_sout,"Unable to initialize SLP");
+        return -1;
+    } 
+
+    msg_Info(p_sout , "Unregistering %s from SLP",
+                      psz_service);
+    
+    slp_res = SLPDereg ( slp_handle,
+            psz_service,
+            sout_SLPReport,
+            NULL );
+    
+    if( slp_res != SLP_OK )
+    {
+        msg_Warn(p_sout,"Error while registering service: %i", slp_res );
+        return -1;
+    }
+
+    return 0;
+
+#else /* This function should never be called if this is false */
+    return -1 
+#endif
+}