void _Callback2(struct UPnPService *sender, int ErrorCode, void *user,
char* Result, unsigned int NumberReturned,
unsigned int TotalMatches, unsigned int UpdateID)
{
PlayListManager_PC state = (PlayListManager_PC)user;
struct ILibXMLNode* root = NULL;
int count = (int)NumberReturned;
state->Error = -ErrorCode;
if(ErrorCode != 0)
{
sem_post(&state->LockObject);
return;
}
ClearMetadata(state);
if((int)TotalMatches != state->Parent->TrackCount)
{
state->Parent->TrackCount = (int)TotalMatches;
BitArray_ChangeSize(state->Parent->ShuffleArray, state->Parent->TrackCount);
if(state->Parent->OnTrackCountChanged != NULL)
{
state->Parent->OnTrackCountChanged(state->Parent);
}
}
root = ILibParseXML(Result, 0, (int)strlen(Result));
if(root != NULL)
{
BOOL failure = FALSE;
if(ILibProcessXMLNodeList(root) == 0)
{
int i = 0;
struct ILibXMLNode* item = root->Next;
ILibXML_BuildNamespaceLookupTable(root);
while(item != NULL && i < count)
{
struct ILibXMLAttribute* attrs = ILibGetXMLAttributes(item);
if(attrs != NULL)
{
state->Objects[i] = CDS_DeserializeDidlToObject(item, attrs, 1, Result, Result + strlen(Result));
ILibDestructXMLAttributeList(attrs);
}
else
{
failure = TRUE;
state->Objects[i] = NULL;
}
i++;
item = item->Peer;
}
}
ILibDestructXMLNodeList(root);
if(failure == TRUE)
{
int i;
state->Count = 0;
for(i = 0; i < count; i++)
{
if(state->Objects[i] != NULL)
{
CDS_ObjRef_Release(state->Objects[i]);
state->Objects[i] = NULL;
}
}
state->Error = 1;
}
state->Count = count;
}
else
{
state->Error = 2;
}
sem_post(&state->LockObject);
}
void _ProcessBuffer(PlayListManager_S state, int done)
{
int i;
char* usableBuffer = NULL;
int streamOffset = 0;
int trackCount = 0;
int bufferLength = CircularBuffer_GetLength(state->_buffer);
int startOfFirstItem = CircularBuffer_FindPattern(state->_buffer, 0, "<item", 5);
int lengthOfUsableBuffer = -1;
if(startOfFirstItem >= 0)
{
lengthOfUsableBuffer = (CircularBuffer_FindLastPattern(state->_buffer, 0, "</item>", 7) + 7) - startOfFirstItem;
trackCount++;
}
else
{
CircularBuffer_ConsumeBytes(state->_buffer, bufferLength - 4);
state->_streamOffset += (bufferLength - 4);
if(done == 1)
{
sem_post(&state->BlocksFinished);
}
return;
}
streamOffset = state->_streamOffset + startOfFirstItem;
usableBuffer = (char*)malloc(lengthOfUsableBuffer);
CircularBuffer_CopyFrom(state->_buffer, usableBuffer, 0, startOfFirstItem, lengthOfUsableBuffer - startOfFirstItem);
CircularBuffer_ConsumeBytes(state->_buffer, lengthOfUsableBuffer + startOfFirstItem);
state->_streamOffset += startOfFirstItem;
for(i = 5; i < (lengthOfUsableBuffer - 5); i++)
{
if(memcmp(usableBuffer + i, "<item", (size_t)5) == 0)
{
trackCount++;
}
}
IndexBlocks_AddBlock(state->Blocks, streamOffset, lengthOfUsableBuffer, trackCount);
state->_streamOffset += lengthOfUsableBuffer;
state->Parent->TrackCount = IndexBlocks_GetTrackCount(state->Blocks);
BitArray_ChangeSize(state->Parent->ShuffleArray, state->Parent->TrackCount);
free(usableBuffer);
sem_post(&state->FirstBlockFinished);
if(done == 1)
{
sem_post(&state->BlocksFinished);
}
if(state->Parent->OnTrackCountChanged != NULL)
{
state->Parent->OnTrackCountChanged(state->Parent);
}
}