/*****************************************************************************
* sout_SAPNew: Creates a SAP Session
*****************************************************************************/
-sap_session_t * sout_SAPNew ( sout_instance_t *p_sout ,
- char * psz_url_arg , char *psz_port_arg ,
- char * psz_name_arg, int ip_version,
+sap_session_t * sout_SAPNew ( sout_instance_t *p_sout ,
+ char * psz_url_arg , char *psz_port_arg ,
+ char * psz_name_arg, int ip_version,
char * psz_v6_scope )
{
-
sap_session_t *p_new; /* The SAP structure */
module_t *p_network; /* Network module */
network_socket_t socket_desc; /* Socket descriptor */
char psz_network[6]; /* IPv4 or IPv6 */
- char *sap_ipv6_addr=NULL; /* IPv6 built address */
-
- /* Allocate the SAP structure */
+ char *sap_ipv6_addr=NULL; /* IPv6 built address */
+
+ /* Allocate the SAP structure */
p_new = (sap_session_t *)malloc( sizeof ( sap_session_t ) ) ;
if ( !p_new )
{
- msg_Err( p_sout, "No memory left" );
+ msg_Err( p_sout, "No memory left" );
return NULL;
}
-
+
/* Fill the information in the structure */
sprintf ( p_new->psz_url , "%s" , psz_url_arg );
sprintf ( p_new->psz_name , "%s" , psz_name_arg );
sprintf ( p_new->psz_port, "%s" , psz_port_arg );
p_new->i_ip_version = ip_version;
-
+
/* Only "6" triggers IPv6. IPv4 is default */
- if(ip_version != 6)
+ if( ip_version != 6 )
{
msg_Dbg( p_sout , "Creating IPv4 SAP socket" );
-
+
/* Fill the socket descriptor */
socket_desc.i_type = NETWORK_UDP;
socket_desc.psz_bind_addr = "";
socket_desc.psz_server_addr = SAP_IPV4_ADDR;
socket_desc.i_server_port = SAP_PORT;
socket_desc.i_handle = 0;
-
- /* Call the network module */
- sprintf ( psz_network, "ipv4" );
+
+ /* Call the network module */
+ sprintf ( psz_network, "ipv4" );
p_sout->p_private=(void*) &socket_desc;
if( !( p_network = module_Need( p_sout, "network", psz_network ) ) )
{
return NULL;
}
module_Unneed( p_sout, p_network );
-
+
p_new->socket = socket_desc.i_handle;
if(p_new->socket <= 0 )
{
msg_Warn( p_sout, "Unable to initialize SAP" );
return NULL;
}
-
}
else
{
- msg_Dbg(p_sout , "Creating IPv6 SAP socket with scope %s"
+ msg_Dbg(p_sout , "Creating IPv6 SAP socket with scope %s"
, psz_v6_scope );
/* Initialize and build the IPv6 address to broadcast to */
sap_ipv6_addr = (char *)malloc(28*sizeof(char));
if ( !sap_ipv6_addr )
{
- msg_Err( p_sout, "No memory left" );
+ msg_Err( p_sout, "No memory left" );
return NULL;
}
sprintf(sap_ipv6_addr,"%s%c%s",
SAP_IPV6_ADDR_1,
psz_v6_scope[0],
- SAP_IPV6_ADDR_2);
+ SAP_IPV6_ADDR_2);
/* Fill the socket descriptor */
socket_desc.i_type = NETWORK_UDP;
- socket_desc.psz_bind_addr = "";
+ socket_desc.psz_bind_addr = "";
socket_desc.i_bind_port = 0;
socket_desc.psz_server_addr = sap_ipv6_addr;
socket_desc.i_server_port = SAP_PORT;
socket_desc.i_handle = 0;
-
- sprintf ( psz_network, "ipv6" );
-
+
+ sprintf ( psz_network, "ipv6" );
+
/* Call the network module */
p_sout->p_private=(void*) &socket_desc;
if( !( p_network = module_Need( p_sout, "network", psz_network ) ) )
return NULL;
}
module_Unneed( p_sout, p_network );
-
+
p_new->socket = socket_desc.i_handle;
if(p_new->socket <= 0 )
{
- msg_Warn( p_sout, "Unable to initialize SAP" );
- return NULL;
- }
-
+ msg_Warn( p_sout, "Unable to initialize SAP" );
+ return NULL;
+ }
/* Free what we allocated */
if( sap_ipv6_addr ) free(sap_ipv6_addr);
}
-
+
msg_Dbg (p_sout,"SAP initialization complete");
-
+
return(p_new);
}
/*****************************************************************************
- * sout_SAPDelete: Deletes a SAP Session
+ * sout_SAPDelete: Deletes a SAP Session
*****************************************************************************/
void sout_SAPDelete( sout_instance_t *p_sout , sap_session_t * p_this )
{
- if( close(p_this->socket) )
- msg_Err ( p_sout, "Unable to close SAP socket");
-
- if( p_this ) free( p_this );
-}
+ if( close(p_this->socket) )
+ {
+ msg_Err ( p_sout, "Unable to close SAP socket");
+ }
+
+ if( p_this ) free( p_this );
+}
/*****************************************************************************
- * sout_SAPSend: Sends a SAP packet
+ * sout_SAPSend: Sends a SAP packet
*****************************************************************************/
void sout_SAPSend( sout_instance_t *p_sout, sap_session_t * p_this)
{
-
char *sap_head; /* SAP header */
char sap_msg[1000]; /* SDP content */
char *sap_send; /* What we send */
- char *payload_type="application/sdp";
+ char *payload_type="application/sdp";
int i_send_result=0; /* Result of send */
int i;
int i_header_size; /* SAP header size */
int i_msg_size; /* SDP content size */
int i_size; /* Total size */
-
+
/* We send a packet every 24 calls to the function */
if( p_this->sendnow == 24 )
{
i_header_size = 9 + strlen( payload_type );
sap_head = ( char * )malloc( i_header_size * sizeof( char ) );
-
- if( ! sap_head )
+
+ if( ! sap_head )
{
msg_Warn( p_sout , "No memory left");
return;
- }
-
+ }
+
/* Create the SAP headers */
sap_head[0]=0x20; /* Means IPv4, not encrypted, not compressed */
sap_head[1]=0x00; /* No authentification */
sap_head[2]=0x42; /* Version */
sap_head[3]=0x12; /* Version */
-
+
sap_head[4]=0x01; /* Source IP FIXME: we should get the real address */
sap_head[5]=0x02; /* idem */
sap_head[6]=0x03; /* idem */
sap_head[7]=0x04; /* idem */
-
+
strncpy( sap_head+8 , payload_type , 15 );
- sap_head[ i_header_size-1 ] = '\0';
-
+ sap_head[ i_header_size-1 ] = '\0';
+
/* Create the SDP content */
- /* Do not add spaces at beginning of the lines ! */
- sprintf(sap_msg,"v=0\n\
-o=VideoLAN 3247692199 3247895918 IN IP4 VideoLAN\n\
-s=%s\n\
-u=VideoLAN\n\
-t=0 0\n\
-m=audio %s udp 14\n\
-c=IN IP4 %s/15\n\
-a=type:test\n", p_this->psz_name , p_this->psz_port , p_this->psz_url );
-
- i_msg_size = strlen( sap_msg );
- i_size = i_msg_size + i_header_size;
-
- /* Create the message */
- sap_send = ( char* )malloc( i_size*sizeof(char) );
- if(! sap_send)
- {
- msg_Err( p_sout , "No memory left") ;
- return;
- }
-
- for(i=0 ; i<i_header_size ; i++)
- {
- sap_send[i] = sap_head[i];
- }
-
- for( ; i<i_size; i++)
- {
- sap_send[i] = sap_msg[i-i_header_size];
- }
-
- if(i_size<1024) /* We mustn't send packets larger than 1024B */
- {
- if( p_this->i_ip_version == 6)
- {
- i_send_result = send( p_this->socket , sap_send ,
- i_size , 0 );
- }
- else
- {
- i_send_result = send( p_this->socket , sap_send ,
- i_size , 0 );
- }
- }
-
- if(i_send_result == -1)
- {
- msg_Warn(p_sout , "SAP Send failed on socket %i. " ,
- p_this->socket );
- perror("sendto");
- }
-
- p_this->sendnow = 0;
-
- /* Free what we allocated */
- if(sap_send) free(sap_send);
- if(sap_head) free(sap_head);
- }
-
- p_this->sendnow++;
+ /* Do not add spaces at beginning of the lines ! */
+ sprintf( sap_msg, "v=0\n"
+ "o=VideoLAN 3247692199 3247895918 IN IP4 VideoLAN\n"
+ "s=%s\n"
+ "u=VideoLAN\n"
+ "t=0 0\n"
+ "m=audio %s udp 14\n"
+ "c=IN IP4 %s/15\n"
+ "a=type:test\n",
+ p_this->psz_name , p_this->psz_port , p_this->psz_url );
+
+ i_msg_size = strlen( sap_msg );
+ i_size = i_msg_size + i_header_size;
+
+ /* Create the message */
+ sap_send = ( char* )malloc( i_size*sizeof(char) );
+ if( !sap_send )
+ {
+ msg_Err( p_sout , "No memory left") ;
+ return;
+ }
+
+ for( i = 0 ; i < i_header_size ; i++ )
+ {
+ sap_send[i] = sap_head[i];
+ }
+
+ for( ; i < i_size ; i++ )
+ {
+ sap_send[i] = sap_msg[i-i_header_size];
+ }
+
+ if( i_size < 1024 ) /* We mustn't send packets larger than 1024B */
+ {
+ if( p_this->i_ip_version == 6)
+ {
+ i_send_result = send( p_this->socket, sap_send, i_size, 0 );
+ }
+ else
+ {
+ i_send_result = send( p_this->socket, sap_send, i_size, 0 );
+ }
+ }
+
+ if( i_send_result == -1 )
+ {
+ msg_Warn(p_sout, "SAP send failed on socket %i", p_this->socket );
+ perror("sendto");
+ }
+
+ p_this->sendnow = 0;
+
+ /* Free what we allocated */
+ if(sap_send) free(sap_send);
+ if(sap_head) free(sap_head);
+ }
+
+ p_this->sendnow++;
}
projects / vlc / commitdiff