Ejemplo n.º 1
0
/*----------------------------------------------------------------------
|   PLT_HttpHelper::SetContentRange
+---------------------------------------------------------------------*/
NPT_Result
PLT_HttpHelper::SetContentRange(NPT_HttpResponse& response, 
                                NPT_Position      start, 
                                NPT_Position      end, 
                                NPT_LargeSize     length)
{
    if (start == (NPT_Position)-1 || end == (NPT_Position)-1 || length == (NPT_Size)-1) {
        NPT_LOG_WARNING_3("Content Range is exactly -1? (start=%d, end=%d, length=%d)", start, end, length);
    }

    NPT_String range = "bytes ";
    range += NPT_String::FromIntegerU(start);
    range += '-';
    range += NPT_String::FromIntegerU(end);
    range += '/';
    range += NPT_String::FromIntegerU(length);
    response.GetHeaders().SetHeader(NPT_HTTP_HEADER_CONTENT_RANGE, range);
    return NPT_SUCCESS;
}
Ejemplo n.º 2
0
/*----------------------------------------------------------------------
|   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;
}