void _StartPlayListProcessingFromThread(PlayListManager_S state)
{
char* IP;
char* Path;
unsigned short Port;
char *host;
int hostLen;
struct sockaddr_in dest;
ILibWebClient_RequestToken token;
char* uri = state->Parent->URI;
struct packetheader* header = ILibCreateEmptyPacket();
ILibParseUri(uri, &IP, &Port, &Path);
ILibSetVersion(header, "1.1", 3);
ILibSetDirective(header, "GET", 3, Path, (int)strlen(Path));
host = (char*)malloc((int)strlen(IP) + 10);
hostLen = sprintf(host, "%s:%u", IP, Port);
ILibAddHeaderLine(header, "Host", 4, host, hostLen);
ILibAddHeaderLine(header, "transferMode.dlna.org", 21, "Interactive", 11);
memset(&dest, 0, sizeof(struct sockaddr_in));
dest.sin_addr.s_addr = inet_addr(IP);
dest.sin_port = htons(Port);
token = ILibWebClient_PipelineRequest(state->Parent->RequestManager, &dest, header, &_RequestResponseCallback, state, NULL);
if(IP != NULL)
{
free(IP);
}
if(Path != NULL)
{
free(Path);
}
free(host);
}
DH_TransferStatus DHC_IssueRequestAndSave(ILibWebClient_RequestManager request_manager, ILibThreadPool pool, const char *file_path, long append_flag, const char *target_uri, enum DH_TransferModes requestedTransferMode, void* user_obj, DHC_OnResponseDone callback_response)
{
DH_TransferStatus RetVal = NULL;
char *IP, *Path;
unsigned short Port;
struct sockaddr_in dest;
char *host;
int hostLen;
struct packetheader *req;
FILE *f;
struct DHC_Data *data;
ILibReaderWriterLock rwLock = (ILibReaderWriterLock)ILibWebClient_GetUser(request_manager);
if(rwLock==NULL)
{
rwLock = ILibReaderWriterLock_CreateEx(ILibWebClient_GetChain(request_manager));
ILibWebClient_SetUser(request_manager,rwLock);
}
memset(&dest,0,sizeof(struct sockaddr_in));
if(append_flag==0)
{
f = fopen(file_path,"wb");
}
else
{
f = fopen(file_path,"r+b");
}
if(f!=NULL)
{
data = (struct DHC_Data*)malloc(sizeof(struct DHC_Data));
memset(data,0,sizeof(struct DHC_Data));
data->TransferMode = requestedTransferMode;
data->f = f;
data->manager = request_manager;
data->Callback = callback_response;
data->pool = pool;
data->user = user_obj;
data->TransferStatus = DH_CreateNewTransferStatus();
RetVal = data->TransferStatus;
data->rwLock = rwLock;
req = ILibCreateEmptyPacket();
ILibSetVersion(req,"1.1",3);
ILibParseUri((char*)target_uri,&IP,&Port,&Path);
dest.sin_addr.s_addr = inet_addr(IP);
dest.sin_port = htons(Port);
host = (char*)malloc((int)strlen(IP)+10);
hostLen = sprintf(host,"%s:%u",IP,Port);
ILibAddHeaderLine(req,"Host",4,host,hostLen);
ILibSetDirective(req,"GET",3,Path,(int)strlen(Path));
//
// Look at the append_flag
//
if(append_flag==-1)
{
//
// Move to the end of the file
//
fseek(f,0,SEEK_END);
append_flag = ftell(f);
}
if(append_flag>0)
{
if(fseek(f,append_flag,SEEK_SET)!=0)
{
fseek(f,0,SEEK_END);
append_flag = ftell(f);
}
data->StartPosition = append_flag;
}
if(requestedTransferMode!=DH_TransferMode_Unspecified)
{
DH_AddHeader_transferMode(req,requestedTransferMode);
}
data->ActualPacket = req;
req = ILibCreateEmptyPacket();
ILibSetVersion(req,"1.1",3);
ILibAddHeaderLine(req,"Host",4,host,hostLen);
ILibSetDirective(req,"HEAD",4,Path,(int)strlen(Path));
//
// Choose a transfer mode that is supported
// determine if Range is supported
//
ILibAddHeaderLine(req,"getcontentFeatures.dlna.org",27,"1",1);
ILibReaderWriterLock_WriteLock(rwLock);
switch(data->TransferMode)
{
case DH_TransferMode_Bulk:
ILibWebClient_SetQosForNextRequest(data->manager,ILibAsyncSocket_QOS_BACKGROUND);
break;
case DH_TransferMode_Streaming:
ILibWebClient_SetQosForNextRequest(data->manager,ILibAsyncSocket_QOS_AUDIO_VIDEO);
break;
}
data->TransferStatus->RequestToken = data->token = ILibWebClient_PipelineRequest(request_manager,&dest,req,&DH_RequestResponse,data,NULL);
ILibReaderWriterLock_WriteUnLock(rwLock);
free(host);
free(IP);
free(Path);
}
return(RetVal);
}
void DH_RequestResponse(ILibWebClient_StateObject WebStateObject,int InterruptFlag,struct packetheader *header,char *bodyBuffer,int *beginPointer,int endPointer,int done,void *user1,void *user2,int *PAUSE)
{
struct DHC_Data *data = (struct DHC_Data*)user1;
enum DHC_Errors status;
void *Abort = NULL;
char *rangeResult;
struct parser_result *pr;
long total;
char *contentFeatures;
struct DLNAProtocolInfo *pi;
ILibReaderWriterLock rwLock = NULL;
struct packetheader *GetRequest = NULL;
struct sockaddr_in dest;
int needToIssueRange = 0;
int needToIssueRealRequest = 0;
int MustNotResume = 0;
struct packetheader *req;
char *temp;
if(data==NULL)
{
//
// We appeared to be in the wrong state, most likely received
// some bad responses, so if we ignore it, we should recover.
//
return;
}
if((header==NULL && done!=0) || (header!=NULL && header->StatusCode!=200 && header->StatusCode!=206 && done!=0))
{
fclose(data->f);
if(header==NULL)
{
status = DHC_ERRORS_CONNECTION_FAILED_OR_ABORTED;
}
else
{
status = DHC_ERRORS_HTTP;
}
if(data->Callback!=NULL)
{
if(header!=NULL)
{
header->StatusData[header->StatusDataLength]=0;
}
data->Callback(data->TransferStatus, status, header==NULL?0:header->StatusCode, header==NULL?NULL:header->StatusData,data->user);
}
DH_DestroyTransferStatus(data->TransferStatus);
if(data->ActualPacket!=NULL)
{
ILibDestructPacket(data->ActualPacket);
}
free(data);
ILibWebClient_ResetUserObjects(WebStateObject,NULL, NULL);
}
else if(header!=NULL && (header->StatusCode==200 || header->StatusCode==206))
{
if(data->ActualPacket!=NULL)
{
if(data->DoneProcessingContentFeatures==0)
{
data->DoneProcessingContentFeatures = 1;
//
// Determine if Range is supported, then do another Head Range Request
//
if(data->TransferStatus->Reserved4!=0 && data->TransferStatus->RequestToken!=NULL)
{
//
// Abort... Nothing really to do, because at this point we already finished.
// Only thing to do, is to not actually issue the request.
//
data->TransferStatus->RequestToken = NULL;
}
else
{
//
// Transfer Mode wasn't specified
//
contentFeatures = ILibGetHeaderLine(header,"contentFeatures.dlna.org",24);
if(contentFeatures!=NULL)
{
temp = ILibString_Cat("http-get:*:*:",13,contentFeatures,(int)strlen(contentFeatures));
pi = DLNAProtocolInfo_Parse(temp,(int)strlen(temp));
if(pi!=NULL)
{
if(pi->TM_B!=0)
{
DH_AddHeader_transferMode(data->ActualPacket,DH_TransferMode_Bulk);
data->TransferMode = DH_TransferMode_Bulk;
}
else if(pi->TM_I!=0)
{
DH_AddHeader_transferMode(data->ActualPacket,DH_TransferMode_Interactive);
data->TransferMode = DH_TransferMode_Interactive;
}
else if(pi->TM_S!=0)
{
DH_AddHeader_transferMode(data->ActualPacket,DH_TransferMode_Streaming);
data->TransferMode = DH_TransferMode_Streaming;
}
needToIssueRange = pi->SupportsByteBasedSeek;
DLNAProtocolInfo_Destruct(pi);
}
free(temp);
}
else
{
//
// since the server didn't respond with a DLNA Content Features, then
// most likely this is a plain Media Server, in which case, if it doesn't support range
// it won't return an error, and it'll just ignore the header, so we can issue a range
// request anyways.
//
needToIssueRange = 1;
}
if(needToIssueRange!=0)
{
//
// Issue a Range Request
//
req = ILibCreateEmptyPacket();
ILibSetVersion(req,"1.1",3);
ILibAddHeaderLine(req,"Host",4,ILibGetHeaderLine(data->ActualPacket,"Host",4),(int)strlen(ILibGetHeaderLine(data->ActualPacket,"Host",4)));
ILibSetDirective(req,"HEAD",4,data->ActualPacket->DirectiveObj,data->ActualPacket->DirectiveObjLength);
DH_AddHeader_Range(req,0,-1);
memset(&dest,0,sizeof(struct sockaddr_in));
dest.sin_family = AF_INET;
dest.sin_addr.s_addr = header->Source->sin_addr.s_addr;
dest.sin_port = header->Source->sin_port;
ILibReaderWriterLock_WriteLock(data->rwLock);
switch(data->TransferMode)
{
case DH_TransferMode_Bulk:
ILibWebClient_SetQosForNextRequest(data->manager,ILibAsyncSocket_QOS_BACKGROUND);
break;
case DH_TransferMode_Streaming:
ILibWebClient_SetQosForNextRequest(data->manager,ILibAsyncSocket_QOS_AUDIO_VIDEO);
break;
}
data->TransferStatus->RequestToken = data->token = ILibWebClient_PipelineRequest(data->manager,&dest,req,&DH_RequestResponse,data,NULL);
ILibReaderWriterLock_WriteUnLock(data->rwLock);
}
else
{
//
// Range is not supported, so just continue with making the request.
// However, before we do, since range isn't supported, we need to make
// sure that we aren't trying to resume.
MustNotResume = 1;
needToIssueRealRequest = 1;
}
}
}
else
{
//
// Process the Range Response
//
rangeResult = ILibGetHeaderLine(header,"content-range",13);
if(rangeResult!=NULL)
{
pr = ILibParseString(rangeResult,0,(int)strlen(rangeResult),"/",1);
total = atol(pr->LastResult->data);
ILibDestructParserResults(pr);
total -= data->StartPosition;
sem_wait(&(data->TransferStatus->syncLock));
data->TransferStatus->TotalBytesToBeReceived = total;
sem_post(&(data->TransferStatus->syncLock));
}
else
{
//
// We couldn't get a range result, so we need to make sure
// we don't try to do a resume.
//
MustNotResume = 1;
}
//
// Continue with actually making the content request
//
needToIssueRealRequest = 1;
}
if(needToIssueRealRequest!=0 && !(data->TransferStatus->Reserved4!=0 && data->TransferStatus->RequestToken!=NULL))
{
GetRequest = data->ActualPacket;
data->ActualPacket = NULL;
rwLock = (ILibReaderWriterLock)ILibWebClient_GetUser(data->manager);
memset(&dest,0,sizeof(struct sockaddr_in));
dest.sin_family = AF_INET;
dest.sin_addr.s_addr = header->Source->sin_addr.s_addr;
dest.sin_port = header->Source->sin_port;
if(MustNotResume!=0)
{
//
// Range isn't supported, so we must not resume
//
if(data->StartPosition!=0)
{
data->StartPosition = 0;
fseek(data->f,0,SEEK_SET);
}
}
else if(data->StartPosition!=0)
{
DH_AddHeader_Range(GetRequest,data->StartPosition,-1);
}
ILibReaderWriterLock_WriteLock(rwLock);
switch(data->TransferMode)
{
case DH_TransferMode_Bulk:
ILibWebClient_SetQosForNextRequest(data->manager,ILibAsyncSocket_QOS_BACKGROUND);
break;
case DH_TransferMode_Streaming:
ILibWebClient_SetQosForNextRequest(data->manager,ILibAsyncSocket_QOS_AUDIO_VIDEO);
break;
}
data->TransferStatus->RequestToken = data->token = ILibWebClient_PipelineRequest(data->manager,&dest,GetRequest,&DH_RequestResponse,data,NULL);
ILibReaderWriterLock_WriteUnLock(rwLock);
}
*beginPointer = endPointer; // Don't really need to do this, because it should always be zero
return;
}
data->buffer = bodyBuffer;
data->bufferLength = endPointer;
*beginPointer = endPointer;
data->GotContinue = done;
if(endPointer!=0 || done)
{
*PAUSE = 1;
}
if(data->token!=NULL)
{
data->webState = ILibWebClient_GetStateObjectFromRequestToken(data->token);
}
if(data->TransferStatus->Reserved4!=0 && data->TransferStatus->RequestToken!=NULL)
{
//
// Abort
//
Abort = data->TransferStatus->RequestToken;
data->TransferStatus->RequestToken = NULL;
ILibWebClient_CancelRequest(Abort);
}
else if(data->TransferStatus->RequestToken!=NULL)
{
if(endPointer>0 || done)
{
ILibThreadPool_QueueUserWorkItem(data->pool,data,&DH_Pool_RequestResponse);
}
}
}
}
char* _GetTrackMetadata(PlayListManager_S state, int trackNumber, int* offset, int* length)
{
int trackBase;
int rangeStart;
int rangeLength;
int rangeEnd;
struct __TMData* data = (struct __TMData*)malloc(sizeof(struct __TMData));
memset(data, 0, sizeof(struct __TMData));
data->State = state;
if(IndexBlocks_GetTrackRangeInfo(state->Blocks, trackNumber, &rangeStart, &rangeLength, &trackBase) == 1)
{
char* IP;
char* Path;
unsigned short Port;
char *host;
int hostLen;
struct sockaddr_in dest;
ILibWebClient_RequestToken token;
char* uri = state->Parent->URI;
struct packetheader* header = ILibCreateEmptyPacket();
char rangeVal[64];
char* metadata = NULL;
data->LocalTrackNumber = trackNumber - trackBase;
rangeEnd = rangeStart + rangeLength - 1;
sprintf(rangeVal, "bytes=%d-%d", rangeStart, rangeEnd);
ILibParseUri(uri, &IP, &Port, &Path);
ILibSetVersion(header, "1.1", 3);
ILibSetDirective(header, "GET", 3, Path, (int)strlen(Path));
host = (char*)malloc((int)strlen(IP) + 10);
hostLen = sprintf(host, "%s:%u", IP, Port);
ILibAddHeaderLine(header, "Host", 4, host, hostLen);
ILibAddHeaderLine(header, "Range", 5, rangeVal, (int)strlen(rangeVal));
ILibAddHeaderLine(header, "transferMode.dlna.org", 21, "Interactive", 11);
memset(&dest, 0, sizeof(struct sockaddr_in));
dest.sin_addr.s_addr = inet_addr(IP);
dest.sin_port = htons(Port);
data->Metadata = (char*)malloc((size_t)rangeLength);
metadata = data->Metadata;
sem_init(&data->Sync, 0, 0);
token = ILibWebClient_PipelineRequest(state->Parent->RequestManager, &dest, header, &_GetMetadataResponseCallback, data, NULL);
sem_wait(&data->Sync);
sem_destroy(&data->Sync);
metadata = data->Metadata;
free(host);
free(data);
FREE(IP);
FREE(Path);
if(metadata != NULL)
{
int i;
int found = 0;
int count = -1;
int localTrack = trackNumber - trackBase;
for(i = 0; i < (rangeLength - 5); i++)
{
if(memcmp(metadata + i, "<item", (size_t)5) == 0)
{
count++;
found = i;
if(count == localTrack)
{
break;
}
}
}
if(count < localTrack)
{
free(metadata);
metadata = NULL;
}
else
{
int i;
int newFound = 0;
for(i = 0; i < (rangeLength - found - 6); i++)
{
if(memcmp(metadata + found + i, "</item>", 7) == 0)
{
newFound = i;
break;
}
}
if(newFound > 0)
{
*offset = found;
*length = newFound - found + 7; //found + newFound + 7;
}
else
{
free(metadata);
return NULL;
}
}
}
return metadata;
}
free(data);
return NULL;
}
