/*----------------------------------------------------------------------
| PLT_MediaBrowser::OnSearchResponse
+---------------------------------------------------------------------*/
NPT_Result
PLT_MediaBrowser::OnSearchResponse(NPT_Result res,
PLT_DeviceDataReference& device,
PLT_ActionReference& action,
void* userdata)
{
NPT_String value;
PLT_BrowseInfo info;
NPT_String unescaped;
if (NPT_FAILED(res) || action->GetErrorCode() != 0) {
goto bad_action;
}
if (NPT_FAILED(action->GetArgumentValue("ContainerId", info.object_id))) {
goto bad_action;
}
if (NPT_FAILED(action->GetArgumentValue("UpdateID", value)) ||
value.GetLength() == 0 ||
NPT_FAILED(value.ToInteger(info.uid))) {
goto bad_action;
}
if (NPT_FAILED(action->GetArgumentValue("NumberReturned", value)) ||
value.GetLength() == 0 ||
NPT_FAILED(value.ToInteger(info.nr))) {
goto bad_action;
}
if (NPT_FAILED(action->GetArgumentValue("TotalMatches", value)) ||
value.GetLength() == 0 ||
NPT_FAILED(value.ToInteger(info.tm))) {
goto bad_action;
}
if (NPT_FAILED(action->GetArgumentValue("Result", value)) ||
value.GetLength() == 0) {
goto bad_action;
}
if (NPT_FAILED(PLT_Didl::FromDidl(value, info.items))) {
goto bad_action;
}
if (m_Delegate) m_Delegate->OnSearchResult(NPT_SUCCESS, device, &info, userdata);
return NPT_SUCCESS;
bad_action:
if (m_Delegate) m_Delegate->OnSearchResult(NPT_FAILURE, device, NULL, userdata);
return NPT_FAILURE;
}
/*----------------------------------------------------------------------
| PLT_MediaContainer::FromDidl
+---------------------------------------------------------------------*/
NPT_Result
PLT_MediaContainer::FromDidl(NPT_XmlElementNode* entry)
{
NPT_String str;
/* reset first */
Reset();
// check entry type
if (entry->GetTag().Compare("Container", true) != 0)
return NPT_ERROR_INTERNAL;
// check if item is searchable (is default true?)
if (NPT_SUCCEEDED(PLT_XmlHelper::GetAttribute(entry, "searchable", str, "", 5))) {
m_Searchable = PLT_Service::IsTrue(str);
}
// look for childCount
if (NPT_SUCCEEDED(PLT_XmlHelper::GetAttribute(entry, "childCount", str, "", 256))) {
NPT_UInt32 count;
NPT_CHECK_SEVERE(str.ToInteger(count));
m_ChildrenCount = count;
}
// upnp:searchClass child elements
NPT_Array<NPT_XmlElementNode*> children;
PLT_XmlHelper::GetChildren(entry, children, "upnp:searchClass");
for (NPT_Cardinal i=0; i<children.GetItemCount(); i++) {
PLT_SearchClass search_class;
// extract url
if (children[i]->GetText() == NULL) {
NPT_LOG_WARNING_1("No searchClass text found in: %s",
(const char*)PLT_XmlHelper::Serialize(*children[i]));
continue;
}
// DLNA 7.3.17.4
search_class.type = children[i]->GetText()->SubString(0, 256);
// extract optional attribute name
PLT_XmlHelper::GetAttribute(children[i], "name", search_class.friendly_name);
// includeDerived property
if (NPT_FAILED(PLT_XmlHelper::GetAttribute(children[i], "includeDerived", str))) {
NPT_LOG_WARNING_1("No required attribute searchClass@includeDerived found in: %s",
(const char*)PLT_XmlHelper::Serialize(*children[i]));
continue;
}
search_class.include_derived = PLT_Service::IsTrue(str);
m_SearchClasses.Add(search_class);
}
return PLT_MediaObject::FromDidl(entry);
}
/*----------------------------------------------------------------------
| NPT_LogConsoleHandler::Create
+---------------------------------------------------------------------*/
NPT_Result
NPT_LogConsoleHandler::Create(const char* logger_name,
NPT_LogHandler*& handler)
{
/* compute a prefix for the configuration of this handler */
NPT_String logger_prefix = logger_name;
logger_prefix += ".ConsoleHandler";
/* allocate a new object */
NPT_LogConsoleHandler* instance = new NPT_LogConsoleHandler();
handler = instance;
/* configure the object */
NPT_String* colors;
instance->m_UseColors = NPT_LOG_CONSOLE_HANDLER_DEFAULT_COLOR_MODE;
colors = LogManager.GetConfigValue(logger_prefix,".colors");
if (colors) {
if (NPT_LogManager::ConfigValueIsBooleanTrue(*colors)) {
instance->m_UseColors = true;
} else if (NPT_LogManager::ConfigValueIsBooleanFalse(*colors)) {
instance->m_UseColors = false;
}
}
NPT_String* outputs;
instance->m_Outputs = OUTPUT_TO_DEBUG;
outputs = LogManager.GetConfigValue(logger_prefix,".outputs");
if (outputs) {
outputs->ToInteger(instance->m_Outputs, true);
}
NPT_String* filter;
instance->m_FormatFilter = 0;
filter = LogManager.GetConfigValue(logger_prefix,".filter");
if (filter) {
filter->ToInteger(instance->m_FormatFilter, true);
}
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| PLT_HttpHelper::GetContentLength
+---------------------------------------------------------------------*/
NPT_Result
PLT_HttpHelper::GetContentLength(NPT_HttpMessage* message, NPT_Size& len)
{
long out;
NPT_String value;
if (NPT_FAILED(message->GetHeaders().GetHeaderValue(NPT_HTTP_HEADER_CONTENT_LENGTH, value))) {
return NPT_FAILURE;
}
NPT_Result res = value.ToInteger(out);
len = out;
return res;
}
/*----------------------------------------------------------------------
| PLT_Didl::ParseTimeStamp
+---------------------------------------------------------------------*/
NPT_Result
PLT_Didl::ParseTimeStamp(const NPT_String& timestamp, NPT_UInt32& seconds)
{
// assume a timestamp in the format HH:MM:SS.FFF
int separator;
NPT_String str = timestamp;
NPT_UInt32 value;
// reset output params first
seconds = 0;
// remove milliseconds first if any
if ((separator = str.ReverseFind('.')) != -1) {
str = str.Left(separator);
}
// look for next separator
if ((separator = str.ReverseFind(':')) == -1) return NPT_FAILURE;
// extract seconds
NPT_CHECK_WARNING(str.SubString(separator+1).ToInteger(value));
seconds = value;
str = str.Left(separator);
// look for next separator
if ((separator = str.ReverseFind(':')) == -1) return NPT_FAILURE;
// extract minutes
NPT_CHECK_WARNING(str.SubString(separator+1).ToInteger(value));
seconds += 60*value;
str = str.Left(separator);
// extract hours
NPT_CHECK_WARNING(str.ToInteger(value));
seconds += 3600*value;
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| PLT_FileMediaServer::OnBrowseDirectChildren
+---------------------------------------------------------------------*/
NPT_Result
PLT_FileMediaServer::OnBrowseDirectChildren(PLT_ActionReference& action,
const char* object_id,
const NPT_HttpRequestContext& context)
{
/* 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_FileInfo info;
NPT_Result res = NPT_File::GetInfo(dir, &info);
if (NPT_FAILED(res)) {
/* Object does not exist */
NPT_LOG_WARNING_1("PLT_FileMediaServer::OnBrowse - BROWSEDIRECTCHILDREN failed for item %s", dir.GetChars());
action->SetError(800, "Can't retrieve info " + dir);
return NPT_FAILURE;
}
if (info.m_Type != NPT_FileInfo::FILE_TYPE_DIRECTORY) {
/* 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));
NPT_UInt32 start_index, req_count;
if (NPT_FAILED(startingInd.ToInteger(start_index)) ||
NPT_FAILED(reqCount.ToInteger(req_count))) {
action->SetError(412, "Precondition failed");
return NPT_FAILURE;
}
NPT_List<NPT_String> entries;
res = NPT_File::ListDirectory(dir, entries, 0, 0);
if (NPT_FAILED(res)) {
NPT_LOG_WARNING_1("PLT_FileMediaServer::OnBrowseDirectChildren - failed to open dir %s", (const char*) dir);
return res;
}
unsigned long cur_index = 0;
unsigned long num_returned = 0;
unsigned long total_matches = 0;
NPT_String didl = didl_header;
PLT_MediaObjectReference item;
for (NPT_List<NPT_String>::Iterator it = entries.GetFirstItem();
it;
++it) {
NPT_String& filename = *it;
item = BuildFromFilePath(
NPT_FilePath::Create(dir, filename),
true,
&context.GetLocalAddress());
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++;
}
};
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))); // 0 means we don't know how many we have but most browsers don't like that!!
NPT_CHECK_SEVERE(action->SetArgumentValue("UpdateId", "1"));
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| NPT_LogFileHandler::Create
+---------------------------------------------------------------------*/
NPT_Result
NPT_LogFileHandler::Create(const char* logger_name,
NPT_LogHandler*& handler)
{
/* compute a prefix for the configuration of this handler */
NPT_String logger_prefix = logger_name;
logger_prefix += ".FileHandler";
/* allocate a new object */
NPT_LogFileHandler* instance = new NPT_LogFileHandler();
handler = instance;
/* filename */
NPT_String* filename_conf = LogManager.GetConfigValue(logger_prefix, ".filename");
if (filename_conf) {
instance->m_Filename = *filename_conf;
} else if (logger_name[0]) {
NPT_String filename_synth = logger_name;
filename_synth += ".log";
instance->m_Filename = filename_synth;
} else {
/* default name for the root logger */
instance->m_Filename = NPT_CONFIG_DEFAULT_LOG_FILE_HANDLER_FILENAME;
}
/* always flush flag */
NPT_String* flush = LogManager.GetConfigValue(logger_prefix, ".flush");
if (flush && NPT_LogManager::ConfigValueIsBooleanTrue(*flush)) {
instance->m_Flush = true;
} else {
instance->m_Flush = false;
}
/* append mode */
instance->m_Append = true;
NPT_String* append_mode = LogManager.GetConfigValue(logger_prefix, ".append");
if (append_mode && NPT_LogManager::ConfigValueIsBooleanFalse(*append_mode)) {
instance->m_Append = false;
}
/* filter */
NPT_String* filter;
instance->m_FormatFilter = 0;
filter = LogManager.GetConfigValue(logger_prefix,".filter");
if (filter) {
filter->ToInteger(instance->m_FormatFilter, true);
}
/* recycle */
NPT_String* recycle;
instance->m_MaxFilesize = 0;
recycle = LogManager.GetConfigValue(logger_prefix,".recycle");
if (recycle) {
NPT_ParseInteger64(*recycle, instance->m_MaxFilesize, true);
if (instance->m_MaxFilesize < NPT_LOG_FILE_HANDLER_MIN_RECYCLE_SIZE) {
instance->m_MaxFilesize = NPT_LOG_FILE_HANDLER_MIN_RECYCLE_SIZE;
}
}
/* open the log file */
return instance->Open(instance->m_Append);
}
/*----------------------------------------------------------------------
| 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_FINE_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;
}
/*----------------------------------------------------------------------
| CMediaCrawler::OnBrowseDevice
+---------------------------------------------------------------------*/
NPT_Result
CMediaCrawler::OnBrowseDevice(PLT_ActionReference& action,
const char* server_uuid,
const char* server_object_id,
NPT_SocketInfo* info /* = NULL */)
{
NPT_Result res;
PLT_DeviceDataReference device;
{
// look for device first
const NPT_Lock<PLT_DeviceDataReferenceList>& devices = GetMediaServers();
//NPT_AutoLock lock(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, info));
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;
}
/*----------------------------------------------------------------------
| 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_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;
}
/*----------------------------------------------------------------------
| 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;
}