Commit c69df520 authored by Laurent Aimar's avatar Laurent Aimar
Browse files

* sap: clean up.

parent 4aeaa408
......@@ -2,7 +2,7 @@
* sap.c : SAP interface module
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: sap.c,v 1.8 2003/02/20 01:52:46 sigmunau Exp $
* $Id: sap.c,v 1.9 2003/03/22 14:39:38 fenrir Exp $
*
* Authors: Arnaud Schauly <gitan@via.ecp.fr>
*
......@@ -88,9 +88,9 @@ static ssize_t NetRead ( intf_thread_t*, int , byte_t *, size_t );
static int sess_toitem( intf_thread_t *, sess_descr_t * );
/* sap/sdp related functions */
static int parse_sap ( char ** );
static int packet_handle ( intf_thread_t *, char ** );
static sess_descr_t * parse_sdp( char *,intf_thread_t * ) ;
static int parse_sap ( char * );
static int packet_handle ( intf_thread_t *, char * );
static sess_descr_t * parse_sdp( intf_thread_t *, char * ) ;
/* specific sdp fields parsing */
......@@ -153,20 +153,19 @@ static int Activate( vlc_object_t *p_this )
*****************************************************************************
* Listens to SAP packets, and sends them to packet_handle
*****************************************************************************/
#define MAX_SAP_BUFFER 2000
static void Run( intf_thread_t *p_intf )
{
char *psz_addr;
char *psz_network = NULL;
struct sockaddr_in addr;
int fd,addrlen;
char *psz_buf;
int fd;
char buffer[MAX_SAP_BUFFER + 1];
module_t *p_network;
network_socket_t socket_desc;
psz_buf = NULL;
if( !(psz_addr = config_GetPsz( p_intf, "sap-addr" ) ) )
{
psz_addr = strdup( HELLO_GROUP );
......@@ -195,23 +194,13 @@ static void Run( intf_thread_t *p_intf )
/* read SAP packets */
psz_buf = malloc( 2000 );
if( psz_buf == NULL )
{
msg_Err( p_intf, "Not enough memory for psz_buf in Run()" );
return;
}
while( !p_intf->b_die )
{
int i_read;
addrlen=sizeof(addr);
memset(psz_buf, 0, 2000);
//memset( buffer, 0, MAX_SAP_BUFFER + 1);
i_read = NetRead( p_intf, fd, psz_buf, 2000 );
i_read = NetRead( p_intf, fd, buffer, MAX_SAP_BUFFER );
if( i_read < 0 )
{
......@@ -221,12 +210,11 @@ static void Run( intf_thread_t *p_intf )
{
continue;
}
buffer[i_read] = '\0';
packet_handle( p_intf, &psz_buf );
packet_handle( p_intf, buffer );
}
free( psz_buf );
/* Closing socket */
......@@ -274,7 +262,7 @@ static int sess_toitem( intf_thread_t * p_intf, sess_descr_t * p_sd )
psz_uri_default = NULL;
cfield_parse( p_sd->psz_connection, &psz_uri_default );
for( i_count=0 ; i_count <= p_sd->i_media ; i_count ++ )
for( i_count = 0 ; i_count < p_sd->i_media ; i_count++ )
{
p_item = malloc( sizeof( playlist_item_t ) );
if( p_item == NULL )
......@@ -313,19 +301,12 @@ static int sess_toitem( intf_thread_t * p_intf, sess_descr_t * p_sd )
}
else
{
psz_uri = NULL;
psz_uri = psz_uri_default;
}
if( psz_uri == NULL )
{
if( psz_uri_default )
{
psz_uri = psz_uri_default;
}
else
{
return 0;
}
return 0;
}
......@@ -472,9 +453,10 @@ static void mfield_parse( char *psz_mfield, char **ppsz_proto,
* checks if the packet has the true headers ;
***********************************************************************/
static int parse_sap( char ** ppsz_sa_packet ) { /* Dummy Parser : does nothing !*/
if( *ppsz_sa_packet ) return ADD_SESSION; //Add this packet
return 0; /* FIXME */
static int parse_sap( char *p_packet )
{ /* Dummy Parser : does nothing !*/
return( VLC_TRUE );
}
/*************************************************************************
......@@ -482,22 +464,21 @@ static int parse_sap( char ** ppsz_sa_packet ) { /* Dummy Parser : does nothin
* the understated session
*************************************************************************/
static int packet_handle( intf_thread_t * p_intf, char ** ppsz_packet ) {
int j=0;
static int packet_handle( intf_thread_t * p_intf, char *p_packet )
{
sess_descr_t * p_sd;
j=parse_sap( ppsz_packet );
if(j != 0) {
p_sd = parse_sdp( *ppsz_packet, p_intf );
if( parse_sap( p_packet ) )
{
p_sd = parse_sdp( p_intf, p_packet);
sess_toitem ( p_intf, p_sd );
free_sd ( p_sd );
return 1;
return VLC_TRUE;
}
return 0; // Invalid Packet
return VLC_FALSE; // Invalid Packet
}
......@@ -509,157 +490,127 @@ static int packet_handle( intf_thread_t * p_intf, char ** ppsz_packet ) {
* Make a sess_descr_t with a psz
***********************************************************************/
static sess_descr_t * parse_sdp( char * psz_pct, intf_thread_t * p_intf )
static sess_descr_t * parse_sdp( intf_thread_t * p_intf, char *p_packet )
{
int j,k;
char ** ppsz_fill=NULL;
sess_descr_t * sd;
sd = malloc( sizeof(sess_descr_t) );
if( sd == NULL )
if( ( sd = malloc( sizeof(sess_descr_t) ) ) == NULL )
{
msg_Err( p_intf, "Not enough memory for sd in parse_sdp()" );
return( NULL );
}
else
sd->pp_media = NULL;
sd->psz_origin = NULL;
sd->psz_sessionname = NULL;
sd->psz_information = NULL;
sd->psz_uri = NULL;
sd->psz_emails = NULL;
sd->psz_phone = NULL;
sd->psz_time = NULL;
sd->psz_repeat = NULL;
sd->psz_attribute = NULL;
sd->psz_connection = NULL;
sd->i_media = 0;
while( *p_packet != '\0' )
{
sd->pp_media = NULL;
sd->psz_origin = NULL;
sd->psz_sessionname = NULL;
sd->psz_information = NULL;
sd->psz_uri = NULL;
sd->psz_emails = NULL;
sd->psz_phone = NULL;
sd->psz_time = NULL;
sd->psz_repeat = NULL;
sd->psz_attribute = NULL;
sd->psz_connection = NULL;
sd->i_media=-1;
j=0;
while( psz_pct[j]!=EOF && psz_pct[j] != '\0' )
#define FIELD_COPY( p ) \
p = strndup( &p_packet[2], i_field_len );
char *psz_end;
int i_field_len;
while( *p_packet == '\n' || *p_packet == ' ' || *p_packet == '\t' )
{
j++;
if (psz_pct[j] == '=')
{
switch(psz_pct[(j-1)]) {
case 'v' : {
ppsz_fill = & sd->psz_version;
break;
}
case 'o' : {
ppsz_fill = & sd->psz_origin;
break;
}
case 's' : {
ppsz_fill = & sd->psz_sessionname;
break;
}
case 'i' : {
ppsz_fill = & sd->psz_information;
break;
}
case 'u' : {
ppsz_fill = & sd->psz_uri;
break;
}
case 'e' : {
ppsz_fill = & sd->psz_emails;
break;
}
case 'p' : {
ppsz_fill = & sd->psz_phone;
break;
}
case 't' : {
ppsz_fill = & sd->psz_time;
break;
}
case 'r' : {
ppsz_fill = & sd->psz_repeat;
break;
}
case 'a' : {
ppsz_fill = & sd->psz_attribute;
break;
}
case 'm' : {
sd->i_media++;
if( sd->pp_media ) {
sd->pp_media = realloc( sd->pp_media,
( sizeof( void * ) * (sd->i_media + 1)) );
p_packet++;
}
if( *p_packet == '\0' )
{
break;
}
if( ( psz_end = strchr( p_packet, '\n' ) ) == NULL )
{
psz_end = p_packet + strlen( p_packet );
}
i_field_len = psz_end - &p_packet[2];
if( p_packet[1] == '=' && i_field_len > 0)
{
switch( *p_packet )
{
case( 'v' ):
FIELD_COPY( sd->psz_version );
break;
case ( 'o' ):
FIELD_COPY( sd->psz_origin );
break;
case( 's' ):
FIELD_COPY( sd->psz_sessionname );
break;
case( 'i' ):
FIELD_COPY( sd->psz_information );
break;
case( 'u' ):
FIELD_COPY( sd->psz_uri );
break;
case( 'e' ):
FIELD_COPY( sd->psz_emails );
break;
case( 'p' ):
FIELD_COPY( sd->psz_phone );
break;
case( 't' ):
FIELD_COPY( sd->psz_time );
break;
case( 'r' ):
FIELD_COPY( sd->psz_repeat );
break;
case( 'a' ):
FIELD_COPY( sd->psz_attribute );
break;
case( 'm' ):
if( sd->pp_media )
{
sd->pp_media =
realloc( sd->pp_media,
sizeof( media_descr_t ) * ( sd->i_media + 1 ) );
}
else
{
sd->pp_media = malloc( sizeof ( void * ) );
if( sd->pp_media == NULL )
{
msg_Err( p_intf, "Not enough memory for " \
"sd->pp_media in parse_sdp()" );
free_sd( sd );
return NULL;
}
sd->pp_media = malloc( sizeof( void * ) );
}
sd->pp_media[sd->i_media] =
malloc( sizeof( media_descr_t ) );
if( sd->pp_media[sd->i_media] == NULL )
{
sd->i_media--;
msg_Err( p_intf, "Not enough memory for " \
"sd->pp_media[sd->i_media] " \
"in parse_sdp()" );
free_sd( sd );
return NULL;
}
sd->pp_media[sd->i_media]->psz_medianame = NULL;
sd->pp_media[sd->i_media]->psz_mediaconnection = NULL;
sd->pp_media[sd->i_media]->psz_medianame = strndup( &p_packet[2], i_field_len );
ppsz_fill = & sd->pp_media[sd->i_media]->psz_medianame;
sd->i_media++;
break;
}
case ('c') : {
if( sd->i_media == -1 )
{
ppsz_fill = & sd->psz_connection;
}
else
{
ppsz_fill = & sd->pp_media[sd->i_media]->
psz_mediaconnection;
}
case( 'c' ):
if( sd->i_media <= 0 )
{
sd->psz_connection = strndup( &p_packet[2], i_field_len );
}
else
{
sd->pp_media[sd->i_media - 1]->psz_mediaconnection = strndup( &p_packet[2], i_field_len );
}
break;
default:
break;
}
default : {
ppsz_fill = NULL;
}
}
k=0;j++;
while (psz_pct[j] != '\n'&& psz_pct[j] != EOF) {
k++; j++;
}
j--;
if( ppsz_fill != NULL )
{
*ppsz_fill = malloc( sizeof(char) * (k + 1) );
if( *ppsz_fill == NULL )
{
msg_Err( p_intf, "Not enough memory for " \
"*ppsz_fill in parse_sdp()" );
free_sd( sd );
return NULL;
}
memcpy(*ppsz_fill, &(psz_pct[j-k+1]), k );
(*ppsz_fill)[k]='\0';
}
ppsz_fill = NULL;
} // if
} //for
} //if
}
}
p_packet = psz_end;
#undef FIELD_COPY
}
return sd;
}
......@@ -682,15 +633,13 @@ static void free_sd( sess_descr_t * p_sd )
FREE( p_sd->psz_attribute );
FREE( p_sd->psz_connection );
if( p_sd->i_media >= 0 && p_sd->pp_media )
for( i = 0; i < p_sd->i_media ; i++ )
{
for( i=0; i <= p_sd->i_media ; i++ )
{
FREE( p_sd->pp_media[i]->psz_medianame );
FREE( p_sd->pp_media[i]->psz_mediaconnection );
}
FREE( p_sd->pp_media );
FREE( p_sd->pp_media[i]->psz_medianame );
FREE( p_sd->pp_media[i]->psz_mediaconnection );
}
FREE( p_sd->pp_media );
free( p_sd );
}
else
......@@ -706,32 +655,17 @@ static void free_sd( sess_descr_t * p_sd )
static int ismult( char *psz_uri )
{
char *psz_c;
int i;
psz_c = malloc( 3 );
if( psz_c == NULL )
{
/* msg_Err( p_intf, "Not enough memory for psz_c in ismult()" ); */
return 0;
}
char *psz_end;
int i_value;
memcpy( psz_c, psz_uri, 3 );
if( psz_c[2] == '.' || psz_c[1] == '.' )
{
free( psz_c );
return 0;
}
i_value = strtol( psz_uri, &psz_end, 0 );
i = atoi( psz_c );
if( i < 224 )
if( *psz_end != '.' )
{
free( psz_c );
return 0;
return( VLC_FALSE );
}
free( psz_c );
return 1;
return( i_value < 224 ? VLC_FALSE : VLC_TRUE );
}
/*****************************************************************************
......
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