/*----------------------------------------------------------------------
| CMediaCrawler::OnBrowseRoot
+---------------------------------------------------------------------*/
NPT_Result
CMediaCrawler::OnBrowseRoot(PLT_ActionReference& action)
{
NPT_String browseFlagValue;
if (NPT_FAILED(action->GetArgumentValue("BrowseFlag", browseFlagValue))) {
NPT_LOG_WARNING("PLT_FileMediaServer::OnBrowse - invalid arguments.");
return NPT_FAILURE;
}
/* extract browseFlag */
BrowseFlags browseFlag;
if (NPT_FAILED(GetBrowseFlag(browseFlagValue, browseFlag))) {
/* error */
NPT_LOG_WARNING("PLT_FileMediaServer::OnBrowseRoot - BrowseFlag value not allowed.");
action->SetError(402,"Invalid BrowseFlag arg.");
return NPT_FAILURE;
}
if (browseFlag == BROWSEMETADATA) {
PLT_MediaContainer item;
item.m_Title = "Root";
item.m_ParentID = "-1";
item.m_ObjectID = "0";
item.m_ChildrenCount = GetMediaServers().GetItemCount();
item.m_ObjectClass.type = "object.container";
/* convert item to didl */
NPT_String filter;
action->GetArgumentValue("Filter", filter);
NPT_String tmp;
NPT_CHECK_SEVERE(PLT_Didl::ToDidl(item, filter, tmp));
/* add didl header and footer */
NPT_String didl = didl_header + tmp + didl_footer;
action->SetArgumentValue("Result", didl);
action->SetArgumentValue("NumberReturned", "1");
action->SetArgumentValue("TotalMatches", "1");
// update ID may be wrong here, it should be the one of the container?
action->SetArgumentValue("UpdateId", "1");
// TODO: We need to keep track of the overall updateID of the CDS
} else {
NPT_String startingInd;
NPT_String reqCount;
NPT_String filter;
NPT_CHECK_SEVERE(action->GetArgumentValue("StartingIndex", startingInd));
NPT_CHECK_SEVERE(action->GetArgumentValue("RequestedCount", reqCount));
NPT_CHECK_SEVERE(action->GetArgumentValue("Filter", filter));
unsigned long start_index, req_count;
if (NPT_FAILED(startingInd.ToInteger(start_index)) ||
NPT_FAILED(reqCount.ToInteger(req_count))) {
return NPT_FAILURE;
}
unsigned long cur_index = 0;
unsigned long num_returned = 0;
unsigned long total_matches = 0;
//unsigned long update_id = 0;
PLT_MediaContainer item;
NPT_String tmp;
NPT_String didl = didl_header;
{
// populate a list of containers (one container per known servers)
const NPT_Lock<PLT_DeviceDataReferenceList>& devices = GetMediaServers();
NPT_AutoLock lock((NPT_Mutex&)devices);
NPT_Lock<PLT_DeviceDataReferenceList>::Iterator entry = devices.GetFirstItem();
while (entry) {
PLT_DeviceDataReference device = (*entry);
item.m_Title = device->GetFriendlyName();
item.m_ObjectID = FormatObjectId(device->GetUUID(), "0");
item.m_ParentID = "0";
item.m_ObjectClass.type = "object.container";
if ((cur_index >= start_index) && ((num_returned < req_count) || (req_count == 0))) {
NPT_CHECK_SEVERE(PLT_Didl::ToDidl(item, filter, tmp));
didl += tmp;
num_returned++;
}
cur_index++;
total_matches++;
++entry;
}
}
didl += didl_footer;
action->SetArgumentValue("Result", didl);
action->SetArgumentValue("NumberReturned", NPT_String::FromInteger(num_returned));
action->SetArgumentValue("TotalMatches", NPT_String::FromInteger(total_matches));
action->SetArgumentValue("UpdateId", "1");
}
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| CMediaCrawler::OnBrowseDevice
+---------------------------------------------------------------------*/
NPT_Result
CMediaCrawler::OnBrowseDevice(PLT_ActionReference& action,
const char* server_uuid,
const char* server_object_id,
const NPT_HttpRequestContext& context)
{
NPT_Result res;
PLT_DeviceDataReference device;
{
// look for device first
const NPT_Lock<PLT_DeviceDataReferenceList>& devices = GetMediaServers();
NPT_AutoLock lock((NPT_Mutex&)devices);
if (NPT_FAILED(NPT_ContainerFind(devices, PLT_DeviceDataFinder(server_uuid), device))) {
/* error */
NPT_LOG_WARNING("CMediaCrawler::OnBrowseDevice - device not found.");
action->SetError(701, "No Such Object.");
return NPT_FAILURE;
}
}
// look for args and convert them
NPT_String browseFlagValue;
NPT_String startingInd;
NPT_String reqCount;
NPT_String filter;
NPT_String sort;
NPT_CHECK_SEVERE(action->GetArgumentValue("BrowseFlag", browseFlagValue));
NPT_CHECK_SEVERE(action->GetArgumentValue("StartingIndex", startingInd));
NPT_CHECK_SEVERE(action->GetArgumentValue("RequestedCount", reqCount));
NPT_CHECK_SEVERE(action->GetArgumentValue("Filter", filter));
NPT_CHECK_SEVERE(action->GetArgumentValue("SortCriteria", sort));
unsigned long start_index, req_count;
if (NPT_FAILED(startingInd.ToInteger(start_index)) ||
NPT_FAILED(reqCount.ToInteger(req_count))) {
return NPT_FAILURE;
}
// create a container for our result
// this will be filled in by OnBrowseResponse
CMediaCrawlerBrowseInfoReference browse_info(new CMediaCrawlerBrowseInfo());
browse_info->shared_var.SetValue(0);
// send off the browse packet. Note that this will
// not block. The shared variable is used to block
// until the response has been received.
res = Browse(device,
server_object_id,
start_index,
req_count,
(browseFlagValue == "BrowseMetadata")?1:0,
filter,
sort,
new CMediaCrawlerBrowseInfoReference(browse_info));
NPT_CHECK_SEVERE(res);
// wait 30 secs for response
res = browse_info->shared_var.WaitUntilEquals(1, 30000);
NPT_CHECK_SEVERE(res);
// did the browse fail?
if (NPT_FAILED(browse_info->res)) {
action->SetError(browse_info->code, "");
return NPT_FAILURE;
}
action->SetArgumentValue("Result", UpdateDidl(server_uuid, browse_info->didl, &context.GetLocalAddress()));
action->SetArgumentValue("NumberReturned", browse_info->nr);
action->SetArgumentValue("TotalMatches", browse_info->tm);
action->SetArgumentValue("UpdateId", browse_info->uid);
action->SetArgumentValue("ObjectID", FormatObjectId(server_uuid, browse_info->object_id));
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| NPT_BufferedInputStream::Read
+---------------------------------------------------------------------*/
NPT_Result
NPT_BufferedInputStream::Read(void* buffer,
NPT_Size bytes_to_read,
NPT_Size* bytes_read)
{
NPT_Result result = NPT_SUCCESS;
NPT_Size total_read = 0;
NPT_Size buffered;
// check for a possible shortcut
if (bytes_to_read == 0) return NPT_SUCCESS;
// skip a newline char if needed
if (m_SkipNewline) {
m_SkipNewline = false;
result = Read(buffer, 1, NULL);
if (NPT_FAILED(result)) goto done;
NPT_Byte c = *(NPT_Byte*)buffer;
if (c != '\n') {
buffer = (void*)((NPT_Byte*)buffer+1);
--bytes_to_read;
total_read = 1;
}
}
// compute how much is buffered
buffered = m_Buffer.valid-m_Buffer.offset;
if (bytes_to_read > buffered) {
// there is not enough in the buffer, take what's there
if (buffered) {
NPT_CopyMemory(buffer,
m_Buffer.data + m_Buffer.offset,
buffered);
buffer = (void*)((NPT_Byte*)buffer+buffered);
m_Buffer.offset += buffered;
bytes_to_read -= buffered;
total_read += buffered;
goto done;
}
// read the rest from the source
if (m_Buffer.size == 0) {
// unbuffered mode, read directly into the supplied buffer
if (m_Buffer.data != NULL) ReleaseBuffer(); // cleanup if necessary
NPT_Size local_read = 0;
result = m_Source->Read(buffer, bytes_to_read, &local_read);
if (NPT_SUCCEEDED(result)) {
total_read += local_read;
}
goto done;
} else {
// refill the buffer
result = FillBuffer();
if (NPT_FAILED(result)) goto done;
buffered = m_Buffer.valid;
if (bytes_to_read > buffered) bytes_to_read = buffered;
}
}
// get what we can from the buffer
if (bytes_to_read) {
NPT_CopyMemory(buffer,
m_Buffer.data + m_Buffer.offset,
bytes_to_read);
m_Buffer.offset += bytes_to_read;
total_read += bytes_to_read;
}
done:
m_Position += total_read;
if (bytes_read) *bytes_read = total_read;
if (result == NPT_ERROR_EOS) {
m_Eos = true;
if (total_read != 0) {
// we have reached the end of the stream, but we have read
// some chars, so do not return EOS now
return NPT_SUCCESS;
}
}
return result;
}
/*----------------------------------------------------------------------
| CUPnPRenderer::UpdateState
+---------------------------------------------------------------------*/
void
CUPnPRenderer::UpdateState()
{
NPT_AutoLock lock(m_state);
PLT_Service *avt;
if (NPT_FAILED(FindServiceByType("urn:schemas-upnp-org:service:AVTransport:1", avt)))
return;
/* don't update state while transitioning */
NPT_String state;
avt->GetStateVariableValue("TransportState", state);
if(state == "TRANSITIONING")
return;
avt->SetStateVariable("TransportStatus", "OK");
if (g_application.IsPlaying() || g_application.IsPaused()) {
avt->SetStateVariable("NumberOfTracks", "1");
avt->SetStateVariable("CurrentTrack", "1");
CStdString buffer = g_infoManager.GetCurrentPlayTime(TIME_FORMAT_HH_MM_SS);
avt->SetStateVariable("RelativeTimePosition", buffer.c_str());
avt->SetStateVariable("AbsoluteTimePosition", buffer.c_str());
buffer = g_infoManager.GetDuration(TIME_FORMAT_HH_MM_SS);
if (buffer.length() > 0) {
avt->SetStateVariable("CurrentTrackDuration", buffer.c_str());
avt->SetStateVariable("CurrentMediaDuration", buffer.c_str());
} else {
avt->SetStateVariable("CurrentTrackDuration", "00:00:00");
avt->SetStateVariable("CurrentMediaDuration", "00:00:00");
}
} else if (g_windowManager.GetActiveWindow() == WINDOW_SLIDESHOW) {
avt->SetStateVariable("TransportState", "PLAYING");
avt->SetStateVariable("AVTransportURI" , g_infoManager.GetPictureLabel(SLIDE_FILE_PATH));
avt->SetStateVariable("CurrentTrackURI", g_infoManager.GetPictureLabel(SLIDE_FILE_PATH));
avt->SetStateVariable("TransportPlaySpeed", "1");
CGUIWindowSlideShow *slideshow = (CGUIWindowSlideShow *)g_windowManager.GetWindow(WINDOW_SLIDESHOW);
if (slideshow)
{
CStdString index;
index.Format("%d", slideshow->NumSlides());
avt->SetStateVariable("NumberOfTracks", index.c_str());
index.Format("%d", slideshow->CurrentSlide());
avt->SetStateVariable("CurrentTrack", index.c_str());
}
avt->SetStateVariable("CurrentTrackMetadata", "");
avt->SetStateVariable("AVTransportURIMetaData", "");
} else {
avt->SetStateVariable("TransportState", "STOPPED");
avt->SetStateVariable("TransportPlaySpeed", "1");
avt->SetStateVariable("NumberOfTracks", "0");
avt->SetStateVariable("CurrentTrack", "0");
avt->SetStateVariable("RelativeTimePosition", "00:00:00");
avt->SetStateVariable("AbsoluteTimePosition", "00:00:00");
avt->SetStateVariable("CurrentTrackDuration", "00:00:00");
avt->SetStateVariable("CurrentMediaDuration", "00:00:00");
}
}
/*----------------------------------------------------------------------
| NPT_BufferedInputStream::ReadLine
+---------------------------------------------------------------------*/
NPT_Result
NPT_BufferedInputStream::ReadLine(char* buffer,
NPT_Size size,
NPT_Size* chars_read,
bool break_on_cr)
{
NPT_Result result = NPT_SUCCESS;
char* buffer_start = buffer;
char* buffer_end = buffer_start+size-1;
bool skip_newline = false;
// check parameters
if (buffer == NULL || size < 1) {
if (chars_read) *chars_read = 0;
return NPT_ERROR_INVALID_PARAMETERS;
}
// read until EOF or newline
for (;;) {
while (m_Buffer.offset != m_Buffer.valid) {
// there is some data left in the buffer
NPT_Byte c = m_Buffer.data[m_Buffer.offset++];
if (c == '\r') {
if (break_on_cr) {
skip_newline = true;
goto done;
}
} else if (c == '\n') {
if (m_SkipNewline && (buffer == buffer_start)) {
continue;
}
goto done;
} else {
if (buffer == buffer_end) {
result = NPT_ERROR_NOT_ENOUGH_SPACE;
goto done;
}
*buffer++ = c;
}
}
if (m_Buffer.size == 0 && !m_Eos) {
// unbuffered mode
if (m_Buffer.data != NULL) ReleaseBuffer();
while (NPT_SUCCEEDED(result = m_Source->Read(buffer, 1, NULL))) {
if (*buffer == '\r') {
if (break_on_cr) {
skip_newline = true;
goto done;
}
} else if (*buffer == '\n') {
goto done;
} else {
if (buffer == buffer_end) {
result = NPT_ERROR_NOT_ENOUGH_SPACE;
goto done;
}
++buffer;
}
}
} else {
// refill the buffer
result = FillBuffer();
}
if (NPT_FAILED(result)) goto done;
}
done:
// update the newline skipping state
m_SkipNewline = skip_newline;
// NULL-terminate the line
*buffer = '\0';
// return what we have
m_Position += (NPT_Size)(buffer-buffer_start);
if (chars_read) *chars_read = (NPT_Size)(buffer-buffer_start);
if (result == NPT_ERROR_EOS) {
m_Eos = true;
if (buffer != buffer_start) {
// we have reached the end of the stream, but we have read
// some chars, so do not return EOS now
return NPT_SUCCESS;
}
}
return result;
}
NPT_Result
GPAC_MediaRenderer::OnAction(PLT_ActionReference& action,
const PLT_HttpRequestContext& context)
{
NPT_COMPILER_UNUSED(context);
/* parse the action name */
NPT_String name = action->GetActionDesc().GetName();
m_ip_src = context.GetRemoteAddress().GetIpAddress().ToString();
/* Is it a ConnectionManager Service Action ? */
if (name.Compare("GetCurrentConnectionIDs", true) == 0) {
if (NPT_FAILED(action->SetArgumentsOutFromStateVariable())) {
return NPT_FAILURE;
}
return NPT_SUCCESS;
}
if (name.Compare("GetProtocolInfo", true) == 0) {
if (NPT_FAILED(action->SetArgumentsOutFromStateVariable())) {
return NPT_FAILURE;
}
return NPT_SUCCESS;
}
if (name.Compare("GetCurrentConnectionInfo", true) == 0) {
return OnGetCurrentConnectionInfo(action);
}
if (name.Compare("StopForMigration", true) == 0) {
NPT_String res = m_pUPnP->OnMigrate();
m_pMigrationService->SetStateVariable("MigrationStatus", "OK");
m_pMigrationService->SetStateVariable("MigrationMetaData", res);
if (NPT_FAILED(action->SetArgumentsOutFromStateVariable())) {
return NPT_FAILURE;
}
return NPT_SUCCESS;
}
/* Is it a AVTransport Service Action ? */
// since all actions take an instance ID and we only support 1 instance
// verify that the Instance ID is 0 and return an error here now if not
NPT_String serviceType = action->GetActionDesc().GetService()->GetServiceType();
if (serviceType.Compare("urn:schemas-upnp-org:service:AVTransport:1", true) == 0) {
if (NPT_FAILED(action->VerifyArgumentValue("InstanceID", "0"))) {
action->SetError(802,"Not valid InstanceID.");
return NPT_FAILURE;
}
}
if (name.Compare("GetCurrentTransportActions", true) == 0) {
if (NPT_FAILED(action->SetArgumentsOutFromStateVariable())) {
return NPT_FAILURE;
}
return NPT_SUCCESS;
}
if (name.Compare("GetDeviceCapabilities", true) == 0) {
if (NPT_FAILED(action->SetArgumentsOutFromStateVariable())) {
return NPT_FAILURE;
}
return NPT_SUCCESS;
}
if (name.Compare("GetMediaInfo", true) == 0) {
if (NPT_FAILED(action->SetArgumentsOutFromStateVariable())) {
return NPT_FAILURE;
}
return NPT_SUCCESS;
}
if (name.Compare("GetPositionInfo", true) == 0) {
if (m_pUPnP->m_pTerm->root_scene) {
char szVal[100];
m_pAVService->SetStateVariable("CurrentTrack", "0");
format_time_string(szVal, m_Duration);
m_pAVService->SetStateVariable("CurrentTrackDuration", szVal);
m_pAVService->SetStateVariable("CurrentTrackMetadata", "");
m_pAVService->SetStateVariable("CurrentTrackURI", "");
format_time_string(szVal, m_Time);
m_pAVService->SetStateVariable("RelativeTimePosition", szVal);
m_pAVService->SetStateVariable("AbsoluteTimePosition", szVal);
m_pAVService->SetStateVariable("RelativeCounterPosition", "2147483647"); // means NOT_IMPLEMENTED
m_pAVService->SetStateVariable("AbsoluteCounterPosition", "2147483647"); // means NOT_IMPLEMENTED
} else {
if (NPT_FAILED(action->SetArgumentsOutFromStateVariable())) {
return NPT_FAILURE;
}
}
return NPT_SUCCESS;
}
if (name.Compare("GetTransportInfo", true) == 0) {
if (NPT_FAILED(action->SetArgumentsOutFromStateVariable())) {
return NPT_FAILURE;
}
return NPT_SUCCESS;
}
if (name.Compare("GetTransportSettings", true) == 0) {
if (NPT_FAILED(action->SetArgumentsOutFromStateVariable())) {
return NPT_FAILURE;
}
return NPT_SUCCESS;
}
if (name.Compare("Next", true) == 0) {
return OnNext(action);
}
if (name.Compare("Pause", true) == 0) {
return OnPause(action);
}
if (name.Compare("Play", true) == 0) {
return OnPlay(action);
}
if (name.Compare("Previous", true) == 0) {
return OnPrevious(action);
}
if (name.Compare("Seek", true) == 0) {
return OnSeek(action);
}
if (name.Compare("Stop", true) == 0) {
return OnStop(action);
}
if (name.Compare("SetAVTransportURI", true) == 0) {
return OnSetAVTransportURI(action);
}
if (name.Compare("SetPlayMode", true) == 0) {
return OnSetPlayMode(action);
}
/* Is it a RendererControl Service Action ? */
if (serviceType.Compare("urn:schemas-upnp-org:service:RenderingControl:1", true) == 0) {
/* we only support master channel */
if (NPT_FAILED(action->VerifyArgumentValue("Channel", "Master"))) {
action->SetError(402,"Invalid Args.");
return NPT_FAILURE;
}
}
if ((name.Compare("GetVolume", true) == 0) || (name.Compare("GetVolumeRangeDB", true) == 0) ) {
NPT_CHECK_SEVERE(action->SetArgumentsOutFromStateVariable());
return NPT_SUCCESS;
}
if (name.Compare("GetMute", true) == 0) {
NPT_CHECK_SEVERE(action->SetArgumentsOutFromStateVariable());
return NPT_SUCCESS;
}
if (name.Compare("SetVolume", true) == 0) {
return OnSetVolume(action);
}
if (name.Compare("SetVolumeDB", true) == 0) {
return OnSetVolumeDB(action);
}
if (name.Compare("SetMute", true) == 0) {
return OnSetMute(action);
}
action->SetError(401,"No Such Action.");
return NPT_FAILURE;
}
/*----------------------------------------------------------------------
| PLT_MediaServer::OnSearch
+---------------------------------------------------------------------*/
NPT_Result
PLT_MediaServer::OnSearch(PLT_ActionReference& action,
const PLT_HttpRequestContext& context)
{
NPT_COMPILER_UNUSED(context);
NPT_Result res;
NPT_String container_id;
NPT_String search;
NPT_String filter;
NPT_String start;
NPT_String count;
NPT_String sort;
NPT_List<NPT_String> sort_list;
if (NPT_FAILED(action->GetArgumentValue("ContainerId", container_id)) ||
NPT_FAILED(action->GetArgumentValue("SearchCriteria", search)) ||
NPT_FAILED(action->GetArgumentValue("Filter", filter)) ||
NPT_FAILED(action->GetArgumentValue("StartingIndex", start)) ||
NPT_FAILED(action->GetArgumentValue("RequestedCount", count)) ||
NPT_FAILED(action->GetArgumentValue("SortCriteria", sort))) {
NPT_LOG_WARNING("Missing arguments");
action->SetError(402, "Invalid args");
return NPT_SUCCESS;
}
/* convert index and counts to int */
NPT_UInt32 starting_index, requested_count;
if (NPT_FAILED(start.ToInteger(starting_index)) ||
NPT_FAILED(count.ToInteger(requested_count))) {
NPT_LOG_WARNING_2("Invalid arguments (%s, %s)",
start.GetChars(), count.GetChars());
action->SetError(402, "Invalid args");
return NPT_FAILURE;
}
/* parse sort criteria */
if (NPT_FAILED(ParseSort(sort, sort_list))) {
NPT_LOG_WARNING_1("Unsupported or invalid sort criteria error (%s)",
sort.GetChars());
action->SetError(709, "Unsupported or invalid sort criteria error");
return NPT_FAILURE;
}
NPT_LOG_INFO_5("Processing Search from %s with id=\"%s\", search=\"%s\", start=%d, count=%d",
(const char*)context.GetRemoteAddress().GetIpAddress().ToString(),
(const char*)container_id,
(const char*)search,
starting_index,
requested_count);
if (search.IsEmpty() || search == "*") {
res = OnBrowseDirectChildren(
action,
container_id,
filter,
starting_index,
requested_count,
sort,
context);
} else {
res = OnSearchContainer(
action,
container_id,
search,
filter,
starting_index,
requested_count,
sort,
context);
}
if (NPT_FAILED(res) && (action->GetErrorCode() == 0)) {
action->SetError(800, "Internal error");
}
return res;
}
/*----------------------------------------------------------------------
| PLT_MediaServer::OnBrowse
+---------------------------------------------------------------------*/
NPT_Result
PLT_MediaServer::OnBrowse(PLT_ActionReference& action,
const PLT_HttpRequestContext& context)
{
NPT_Result res;
NPT_String object_id;
NPT_String browse_flag_val;
NPT_String filter;
NPT_String start;
NPT_String count;
NPT_String sort;
NPT_List<NPT_String> sort_list;
if (NPT_FAILED(action->GetArgumentValue("ObjectId", object_id)) ||
NPT_FAILED(action->GetArgumentValue("BrowseFlag", browse_flag_val)) ||
NPT_FAILED(action->GetArgumentValue("Filter", filter)) ||
NPT_FAILED(action->GetArgumentValue("StartingIndex", start)) ||
NPT_FAILED(action->GetArgumentValue("RequestedCount", count)) ||
NPT_FAILED(action->GetArgumentValue("SortCriteria", sort))) {
NPT_LOG_WARNING("Missing arguments");
action->SetError(402, "Invalid args");
return NPT_SUCCESS;
}
/* extract flag */
BrowseFlags flag;
if (NPT_FAILED(ParseBrowseFlag(browse_flag_val, flag))) {
/* error */
NPT_LOG_WARNING_1("BrowseFlag value not allowed (%s)", (const char*)browse_flag_val);
action->SetError(402, "Invalid args");
return NPT_SUCCESS;
}
/* convert index and counts to int */
NPT_UInt32 starting_index, requested_count;
if (NPT_FAILED(start.ToInteger(starting_index)) ||
NPT_FAILED(count.ToInteger(requested_count)) ||
PLT_Didl::ConvertFilterToMask(filter) == 0) {
NPT_LOG_WARNING_3("Invalid arguments (%s, %s, %s)",
start.GetChars(), count.GetChars(), filter.GetChars());
action->SetError(402, "Invalid args");
return NPT_FAILURE;
}
/* parse sort criteria for validation */
if (NPT_FAILED(ParseSort(sort, sort_list))) {
NPT_LOG_WARNING_1("Unsupported or invalid sort criteria error (%s)",
sort.GetChars());
action->SetError(709, "Unsupported or invalid sort criteria error");
return NPT_FAILURE;
}
NPT_LOG_INFO_6("Processing %s from %s with id=\"%s\", filter=\"%s\", start=%d, count=%d",
(const char*)browse_flag_val,
(const char*)context.GetRemoteAddress().GetIpAddress().ToString(),
(const char*)object_id,
(const char*)filter,
starting_index,
requested_count);
/* Invoke the browse function */
if (flag == BROWSEMETADATA) {
res = OnBrowseMetadata(
action,
object_id,
filter,
starting_index,
requested_count,
sort,
context);
} else {
res = OnBrowseDirectChildren(
action,
object_id,
filter,
starting_index,
requested_count,
sort,
context);
}
if (NPT_FAILED(res) && (action->GetErrorCode() == 0)) {
action->SetError(800, "Internal error");
}
return res;
}
/*----------------------------------------------------------------------
| PLT_FileMediaServer::OnBrowseDirectChildren
+---------------------------------------------------------------------*/
NPT_Result
PLT_FileMediaServer::OnBrowseDirectChildren(PLT_ActionReference& action,
const char* object_id,
NPT_SocketInfo* info /* = NULL */)
{
/* locate the file from the object ID */
NPT_String dir;
if (NPT_FAILED(GetFilePath(object_id, dir))) {
/* error */
NPT_LOG_WARNING("PLT_FileMediaServer::OnBrowse - ObjectID not found.");
action->SetError(701, "No Such Object.");
return NPT_FAILURE;
}
/* retrieve the item type */
NPT_DirectoryEntryInfo entry_info;
NPT_Result res = NPT_DirectoryEntry::GetInfo(dir, entry_info);
if (NPT_FAILED(res)) {
/* Object does not exist */
action->SetError(800, "Can't retrieve info " + dir);
return NPT_FAILURE;
}
if (entry_info.type != NPT_DIRECTORY_TYPE) {
/* error */
NPT_LOG_WARNING("PLT_FileMediaServer::OnBrowse - BROWSEDIRECTCHILDREN not allowed on an item.");
action->SetError(710, "item is not a container.");
return NPT_FAILURE;
}
NPT_String filter;
NPT_String startingInd;
NPT_String reqCount;
NPT_CHECK_SEVERE(action->GetArgumentValue("Filter", filter));
NPT_CHECK_SEVERE(action->GetArgumentValue("StartingIndex", startingInd));
NPT_CHECK_SEVERE(action->GetArgumentValue("RequestedCount", reqCount));
unsigned long start_index, req_count;
if (NPT_FAILED(startingInd.ToInteger(start_index)) ||
NPT_FAILED(reqCount.ToInteger(req_count))) {
return NPT_FAILURE;
}
NPT_String path = dir;
if (!path.EndsWith(m_DirDelimiter)) {
path += m_DirDelimiter;
}
/* start iterating through the directory */
NPT_Directory directory(path);
NPT_String entryName;
res = directory.GetNextEntry(entryName);
if (NPT_FAILED(res)) {
NPT_LOG_WARNING_1("PLT_FileMediaServer::OnBrowseDirectChildren - failed to open dir %s", (const char*) path);
return res;
}
unsigned long cur_index = 0;
unsigned long num_returned = 0;
unsigned long total_matches = 0;
//unsigned long update_id = 0;
NPT_String didl = didl_header;
PLT_MediaObjectReference item;
do {
item = BuildFromFilePath(path + entryName, true, info);
if (!item.IsNull()) {
if ((cur_index >= start_index) && ((num_returned < req_count) || (req_count == 0))) {
NPT_String tmp;
NPT_CHECK_SEVERE(PLT_Didl::ToDidl(*item.AsPointer(), filter, tmp));
didl += tmp;
num_returned++;
}
cur_index++;
total_matches++;
}
res = directory.GetNextEntry(entryName);
} while (NPT_SUCCEEDED(res));
didl += didl_footer;
NPT_CHECK_SEVERE(action->SetArgumentValue("Result", didl));
NPT_CHECK_SEVERE(action->SetArgumentValue("NumberReturned", NPT_String::FromInteger(num_returned)));
NPT_CHECK_SEVERE(action->SetArgumentValue("TotalMatches", NPT_String::FromInteger(total_matches)));
NPT_CHECK_SEVERE(action->SetArgumentValue("UpdateId", "1"));
return NPT_SUCCESS;
}