/*
* Fetches and parses the UPNP response
*/
bool MediaServer::fetchContents()
{
IXML_Document* p_response = _browseAction( m_psz_objectId,
"BrowseDirectChildren",
"*",
// Some servers don't understand "0" as "no-limit"
"1000", /* RequestedCount */
"" /* SortCriteria */
);
if ( !p_response )
{
msg_Err( m_access, "No response from browse() action" );
return false;
}
IXML_Document* p_result = parseBrowseResult( p_response );
ixmlDocument_free( p_response );
if ( !p_result )
{
msg_Err( m_access, "browse() response parsing failed" );
return false;
}
#ifndef NDEBUG
msg_Dbg( m_access, "Got DIDL document: %s", ixmlPrintDocument( p_result ) );
#endif
IXML_NodeList* containerNodeList =
ixmlDocument_getElementsByTagName( p_result, "container" );
if ( containerNodeList )
{
for ( unsigned int i = 0; i < ixmlNodeList_length( containerNodeList ); i++ )
addContainer( (IXML_Element*)ixmlNodeList_item( containerNodeList, i ) );
ixmlNodeList_free( containerNodeList );
}
IXML_NodeList* itemNodeList = ixmlDocument_getElementsByTagName( p_result,
"item" );
if ( itemNodeList )
{
for ( unsigned int i = 0; i < ixmlNodeList_length( itemNodeList ); i++ )
addItem( (IXML_Element*)ixmlNodeList_item( itemNodeList, i ) );
ixmlNodeList_free( itemNodeList );
}
ixmlDocument_free( p_result );
return true;
}
/*
* Fetches and parses the UPNP response
*/
void MediaServer::fetchContents()
{
const char* objectID = "";
vlc_url_t url;
vlc_UrlParse( &url, access_->psz_location, '?');
if ( url.psz_option && !strncmp( url.psz_option, "ObjectID=", strlen( "ObjectID=" ) ) )
{
objectID = &url.psz_option[strlen( "ObjectID=" )];
}
IXML_Document* p_response = _browseAction( objectID,
"BrowseDirectChildren",
"id,dc:title,res," /* Filter */
"sec:CaptionInfo,sec:CaptionInfoEx,"
"pv:subtitlefile",
"0", /* RequestedCount */
"" /* SortCriteria */
);
vlc_UrlClean( &url );
if ( !p_response )
{
msg_Err( access_, "No response from browse() action" );
return;
}
xmlDocument_ = parseBrowseResult( p_response );
ixmlDocument_free( p_response );
if ( !xmlDocument_ )
{
msg_Err( access_, "browse() response parsing failed" );
return;
}
#ifndef NDEBUG
msg_Dbg( access_, "Got DIDL document: %s", ixmlPrintDocument( xmlDocument_ ) );
#endif
containerNodeList_ = ixmlDocument_getElementsByTagName( xmlDocument_, "container" );
itemNodeList_ = ixmlDocument_getElementsByTagName( xmlDocument_, "item" );
}
bool MediaServer::_fetchContents( Container* parent )
{
if (!parent)
{
msg_Dbg( _p_sd,
"%s:%d: parent==NULL", __FILE__, __LINE__ );
return false;
}
IXML_Document* response = _browseAction( parent->getObjectID(),
"BrowseDirectChildren",
"*", "0", "0", "" );
if ( !response )
{
msg_Dbg( _p_sd,
"%s:%d: ERROR! No response from browse() action",
__FILE__, __LINE__ );
return false;
}
IXML_Document* result = parseBrowseResult( response );
ixmlDocument_free( response );
if ( !result )
{
msg_Dbg( _p_sd,
"%s:%d: ERROR! browse() response parsing failed",
__FILE__, __LINE__ );
return false;
}
IXML_NodeList* containerNodeList =
ixmlDocument_getElementsByTagName( result, "container" );
if ( containerNodeList )
{
for ( unsigned int i = 0;
i < ixmlNodeList_length( containerNodeList ); i++ )
{
IXML_Element* containerElement =
( IXML_Element* )ixmlNodeList_item( containerNodeList, i );
const char* objectID = ixmlElement_getAttribute( containerElement,
"id" );
if ( !objectID )
continue;
const char* childCountStr =
ixmlElement_getAttribute( containerElement, "childCount" );
if ( !childCountStr )
continue;
int childCount = atoi( childCountStr );
const char* title = xml_getChildElementValue( containerElement,
"dc:title" );
if ( !title )
continue;
const char* resource = xml_getChildElementValue( containerElement,
"res" );
if ( resource && childCount < 1 )
{
Item* item = new Item( parent, objectID, title, resource );
parent->addItem( item );
}
else
{
Container* container = new Container( parent, objectID, title );
parent->addContainer( container );
if ( childCount > 0 )
_fetchContents( container );
}
}
ixmlNodeList_free( containerNodeList );
}
IXML_NodeList* itemNodeList = ixmlDocument_getElementsByTagName( result,
"item" );
if ( itemNodeList )
{
for ( unsigned int i = 0; i < ixmlNodeList_length( itemNodeList ); i++ )
{
IXML_Element* itemElement =
( IXML_Element* )ixmlNodeList_item( itemNodeList, i );
const char* objectID =
ixmlElement_getAttribute( itemElement, "id" );
if ( !objectID )
continue;
const char* title =
xml_getChildElementValue( itemElement, "dc:title" );
if ( !title )
continue;
const char* resource =
xml_getChildElementValue( itemElement, "res" );
if ( !resource )
continue;
Item* item = new Item( parent, objectID, title, resource );
parent->addItem( item );
}
ixmlNodeList_free( itemNodeList );
}
ixmlDocument_free( result );
return true;
}
/*
* Fetches and parses the UPNP response
*/
bool MediaServer::_fetchContents( Container* p_parent )
{
if (!p_parent)
{
msg_Err( _p_sd, "No parent" );
return false;
}
IXML_Document* p_response = _browseAction( p_parent->getObjectID(),
"BrowseDirectChildren",
"*", "0", "0", "" );
if ( !p_response )
{
msg_Err( _p_sd, "No response from browse() action" );
return false;
}
IXML_Document* p_result = parseBrowseResult( p_response );
ixmlDocument_free( p_response );
if ( !p_result )
{
msg_Err( _p_sd, "browse() response parsing failed" );
return false;
}
#ifndef NDEBUG
else
{
msg_Dbg( _p_sd, "Got DIDL document: %s",
ixmlPrintDocument( p_result ) );
}
#endif
IXML_NodeList* containerNodeList =
ixmlDocument_getElementsByTagName( p_result, "container" );
if ( containerNodeList )
{
for ( unsigned int i = 0;
i < ixmlNodeList_length( containerNodeList ); i++ )
{
IXML_Element* containerElement =
( IXML_Element* )ixmlNodeList_item( containerNodeList, i );
const char* objectID = ixmlElement_getAttribute( containerElement,
"id" );
if ( !objectID )
continue;
const char* title = xml_getChildElementValue( containerElement,
"dc:title" );
if ( !title )
continue;
Container* container = new Container( p_parent, objectID, title );
p_parent->addContainer( container );
_fetchContents( container );
}
ixmlNodeList_free( containerNodeList );
}
IXML_NodeList* itemNodeList = ixmlDocument_getElementsByTagName( p_result,
"item" );
if ( itemNodeList )
{
for ( unsigned int i = 0; i < ixmlNodeList_length( itemNodeList ); i++ )
{
IXML_Element* itemElement =
( IXML_Element* )ixmlNodeList_item( itemNodeList, i );
const char* objectID =
ixmlElement_getAttribute( itemElement, "id" );
if ( !objectID )
continue;
const char* title =
xml_getChildElementValue( itemElement, "dc:title" );
if ( !title )
continue;
const char* resource =
xml_getChildElementValue( itemElement, "res" );
if ( !resource )
continue;
const char* psz_duration = xml_getChildElementAttributeValue( itemElement,
"res",
"duration" );
mtime_t i_duration = -1;
int i_hours, i_minutes, i_seconds, i_decis;
if ( psz_duration )
{
if( sscanf( psz_duration, "%02d:%02d:%02d.%d",
&i_hours, &i_minutes, &i_seconds, &i_decis ))
i_duration = INT64_C(1000000) * ( i_hours*3600 +
i_minutes*60 +
i_seconds ) +
INT64_C(100000) * i_decis;
}
Item* item = new Item( p_parent, objectID, title, resource, i_duration );
p_parent->addItem( item );
}
ixmlNodeList_free( itemNodeList );
}
ixmlDocument_free( p_result );
return true;
}
/*
* Fetches and parses the UPNP response
*/
bool MediaServer::_fetchContents( Container* p_parent, int i_offset )
{
if (!p_parent)
{
msg_Err( _p_sd, "No parent" );
return false;
}
char* psz_starting_index;
if( asprintf( &psz_starting_index, "%d", i_offset ) < 0 )
{
msg_Err( _p_sd, "asprintf error:%d", i_offset );
return false;
}
IXML_Document* p_response = _browseAction( p_parent->getObjectID(),
"BrowseDirectChildren",
"*", /* Filter */
psz_starting_index, /* StartingIndex */
"0", /* RequestedCount */
"" /* SortCriteria */
);
free( psz_starting_index );
if ( !p_response )
{
msg_Err( _p_sd, "No response from browse() action" );
return false;
}
IXML_Document* p_result = parseBrowseResult( p_response );
int i_number_returned = xml_getNumber( p_response, "NumberReturned" );
int i_total_matches = xml_getNumber( p_response , "TotalMatches" );
#ifndef NDEBUG
msg_Dbg( _p_sd, "i_offset[%d]i_number_returned[%d]_total_matches[%d]\n",
i_offset, i_number_returned, i_total_matches );
#endif
ixmlDocument_free( p_response );
if ( !p_result )
{
msg_Err( _p_sd, "browse() response parsing failed" );
return false;
}
#ifndef NDEBUG
msg_Dbg( _p_sd, "Got DIDL document: %s", ixmlPrintDocument( p_result ) );
#endif
IXML_NodeList* containerNodeList =
ixmlDocument_getElementsByTagName( p_result, "container" );
if ( containerNodeList )
{
for ( unsigned int i = 0;
i < ixmlNodeList_length( containerNodeList ); i++ )
{
IXML_Element* containerElement =
( IXML_Element* )ixmlNodeList_item( containerNodeList, i );
const char* objectID = ixmlElement_getAttribute( containerElement,
"id" );
if ( !objectID )
continue;
const char* title = xml_getChildElementValue( containerElement,
"dc:title" );
if ( !title )
continue;
Container* container = new Container( p_parent, objectID, title );
p_parent->addContainer( container );
_fetchContents( container, 0 );
}
ixmlNodeList_free( containerNodeList );
}
IXML_NodeList* itemNodeList = ixmlDocument_getElementsByTagName( p_result,
"item" );
if ( itemNodeList )
{
for ( unsigned int i = 0; i < ixmlNodeList_length( itemNodeList ); i++ )
{
IXML_Element* itemElement =
( IXML_Element* )ixmlNodeList_item( itemNodeList, i );
const char* objectID =
ixmlElement_getAttribute( itemElement, "id" );
if ( !objectID )
continue;
const char* title =
xml_getChildElementValue( itemElement, "dc:title" );
if ( !title )
continue;
const char* resource =
xml_getChildElementValue( itemElement, "res" );
if ( !resource )
continue;
const char* psz_duration = xml_getChildElementAttributeValue( itemElement,
"res",
"duration" );
mtime_t i_duration = -1;
int i_hours, i_minutes, i_seconds, i_decis;
if ( psz_duration )
{
if( sscanf( psz_duration, "%02d:%02d:%02d.%d",
&i_hours, &i_minutes, &i_seconds, &i_decis ))
i_duration = INT64_C(1000000) * ( i_hours*3600 +
i_minutes*60 +
i_seconds ) +
INT64_C(100000) * i_decis;
}
Item* item = new Item( p_parent, objectID, title, resource, i_duration );
p_parent->addItem( item );
}
ixmlNodeList_free( itemNodeList );
}
ixmlDocument_free( p_result );
if( i_offset + i_number_returned < i_total_matches )
return _fetchContents( p_parent, i_offset + i_number_returned );
return true;
}
/*---------------------------------------------------------------------------*/
void browseMediaServer (
UPnPRuntime *rt,
UPnPControlPoint *cp
)
{
UPnPControlDeviceHandle dh;
struct actionUserData userData;
char deviceUrl[256];
int index;
userData.done = 0;
userData.errorCode = 0;
/* Search by Media Server's UUID for unique media server */
UPnP_ControlFindDevicesByUUID(cp, MEDIA_SERVER_UDN,
SEARCH_DURATION, deviceUrl, 1);
printf("\nOpening device at %s...", deviceUrl);
dh = UPnP_ControlOpenDevice(cp, deviceUrl);
if (dh != 0)
{
UPnPControlServiceIterator i;
printf("device open.\n\nLooking for ContentDirectory:1 service...");
/* find the ContentDirectory:1 service and invoke an action on it */
if (UPnP_ControlGetServicesByType(dh, &i, "ContentDirectory:1") >= 0)
{
UPNP_CHAR* serviceId = UPnP_ControlNextService(&i);
if (serviceId)
{
RTPXML_Document* action;
/* Invoking 'Browse' action. This action contains 6 'in'
arguments. */
action = UPnP_CreateAction(
UPnP_ControlGetServiceType(dh,serviceId),"Browse");
if (action)
{
/* In Arguments */
UPnP_SetActionArg (action, "ObjectID", "0");
UPnP_SetActionArg (action, "BrowseFlag", "BrowseDirectChildren");
UPnP_SetActionArg (action, "Filter", "*");
UPnP_SetActionArg (action, "StartingIndex", "0");
UPnP_SetActionArg (action, "RequestedCount", BROWSE_ELEMENT_COUNT);
UPnP_SetActionArg (action, "SortCriteria", "");
/* Out Arguments */
userData.numOutElements = 4;
userData.outVariableName[0] = rtp_strdup("Result");
userData.outVariableName[1] = rtp_strdup("NumberReturned");
userData.outVariableName[2] = rtp_strdup("TotalMatches");
userData.outVariableName[3] = rtp_strdup("UpdateID");
if (UPnP_ControlInvokeAction (dh, serviceId, "Browse", action, &userData, 1) >= 0)
{
/* catch errors if any */
if (userData.errorCode != 0)
{
if (userData.errorDescription)
{
printf("\nError occured in Browse request \n");
printf("Error Code - %d\n", userData.errorCode);
printf("Error Description - %s\n", userData.errorDescription);
rtp_free(userData.errorDescription);
}
}
else
{
printf("--------------------------------------\n");
printf(" Browse Results \n");
printf("Total Matches - %s \n", userData.outVariableValue[2]);
parseBrowseResult(userData.outVariableValue[0]);
printf("--------------------------------------\n");
}
}
/* free the xml document */
rtpxmlDocument_free (action);
for (index = 0; index < userData.numOutElements; index++)
{
rtp_free(userData.outVariableName[index]);
if(userData.outVariableValue[index])
{
rtp_free(userData.outVariableValue[index]);
}
}
}
else
{
printf (" could not create action!\n");
}
}
}
}
}
