C++ NPT_SUCCEEDED函数代码示例

/*----------------------------------------------------------------------
|   CUPnP::CUPnP
+---------------------------------------------------------------------*/
CUPnP::CUPnP() :
    m_MediaBrowser(NULL),
    m_MediaController(NULL),
    m_LogHandler(NULL),
    m_ServerHolder(new CDeviceHostReferenceHolder()),
    m_RendererHolder(new CRendererReferenceHolder()),
    m_CtrlPointHolder(new CCtrlPointReferenceHolder())
{
    NPT_LogManager::GetDefault().Configure("plist:.level=FINE;.handlers=CustomHandler;");
    NPT_LogHandler::Create("xbmc", "CustomHandler", m_LogHandler);
    m_LogHandler->SetCustomHandlerFunction(&UPnPLogger);

    // initialize upnp context
    m_UPnP = new PLT_UPnP();

    // keep main IP around
    if (g_application.getNetwork().GetFirstConnectedInterface()) {
        m_IP = g_application.getNetwork().GetFirstConnectedInterface()->GetCurrentIPAddress().c_str();
    }
    NPT_List<NPT_IpAddress> list;
    if (NPT_SUCCEEDED(PLT_UPnPMessageHelper::GetIPAddresses(list)) && list.GetItemCount()) {
        m_IP = (*(list.GetFirstItem())).ToString();
    }
    else if(m_IP.empty())
        m_IP = "localhost";

    // start upnp monitoring
    m_UPnP->Start();
}

/*----------------------------------------------------------------------
|   CUPnP::StartRenderer
+---------------------------------------------------------------------*/
void CUPnP::StartRenderer()
{
    if (!m_RendererHolder->m_Device.IsNull()) return;

    CStdString filename;
    URIUtils::AddFileToFolder(CProfilesManager::Get().GetUserDataFolder(), "upnpserver.xml", filename);
    CUPnPSettings::Get().Load(filename);

    m_RendererHolder->m_Device = CreateRenderer(CUPnPSettings::Get().GetRendererPort());

    NPT_Result res = m_UPnP->AddDevice(m_RendererHolder->m_Device);

    // failed most likely because port is in use, try again with random port now
    if (NPT_FAILED(res) && CUPnPSettings::Get().GetRendererPort() != 0) {
        m_RendererHolder->m_Device = CreateRenderer(0);

        res = m_UPnP->AddDevice(m_RendererHolder->m_Device);
    }

    // save port but don't overwrite saved settings if random
    if (NPT_SUCCEEDED(res) && CUPnPSettings::Get().GetRendererPort() == 0) {
        CUPnPSettings::Get().SetRendererPort(m_RendererHolder->m_Device->GetPort());
    }

    // save UUID
    CUPnPSettings::Get().SetRendererUUID(m_RendererHolder->m_Device->GetUUID().GetChars());
    CUPnPSettings::Get().Save(filename);
}

/*----------------------------------------------------------------------
|   CMediaCrawler::ProcessFileRequest
+---------------------------------------------------------------------*/
NPT_Result 
CMediaCrawler::ProcessFileRequest(NPT_HttpRequest&              request, 
                                  const NPT_HttpRequestContext& context,
                                  NPT_HttpResponse&             response)
{
    NPT_COMPILER_UNUSED(context);

    NPT_LOG_FINE("CMediaCrawler::ProcessFileRequest Received Request:");
    PLT_LOG_HTTP_MESSAGE(NPT_LOG_LEVEL_FINE, &request);

    if (request.GetMethod().Compare("GET") && request.GetMethod().Compare("HEAD")) {
        response.SetStatus(500, "Internal Server Error");
        return NPT_SUCCESS;
    }

    // add the user agent header, some stupid media servers like YME needs it
    if (!request.GetHeaders().GetHeader(NPT_HTTP_HEADER_USER_AGENT)) {
        request.GetHeaders().SetHeader(NPT_HTTP_HEADER_USER_AGENT, 
            "Platinum/" PLT_PLATINUM_VERSION_STRING);
    }

    // File requested
    NPT_HttpResponse* out_response = NULL;
    NPT_HttpUrlQuery query(request.GetUrl().GetQuery());
    const char* url = query.GetField("url");
    if (url) {
        // look for handler
        CStreamHandler* handler = NULL;
        NPT_ContainerFind(m_StreamHandlers, CStreamHandlerFinder(NULL, url), handler);
        if (handler && NPT_SUCCEEDED(handler->ProcessFileRequest(request, out_response)) && out_response) {
            // copy response code and reason
            response.SetStatus(out_response->GetStatusCode(), out_response->GetReasonPhrase());

            // copy headers
            NPT_List<NPT_HttpHeader*>::Iterator headers = out_response->GetHeaders().GetHeaders().GetFirstItem();
            while (headers) {
                response.GetHeaders().SetHeader((*headers)->GetName(), (*headers)->GetValue());
                ++headers;
            }
            response.SetEntity(new NPT_HttpEntity(response.GetHeaders()));
            
            // update inputstream
            NPT_HttpEntity* out_entity;
            if ((out_entity = out_response->GetEntity()) != NULL) {
                NPT_InputStreamReference inputstream;
                out_entity->GetInputStream(inputstream);
                if (!inputstream.IsNull()) {
                    // set the stream but do not update the content length
                    response.GetEntity()->SetInputStream(inputstream, false);
                }
            }

            delete out_response;
            return NPT_SUCCESS;
        }
    }

    response.SetStatus(404, "File Not Found");
    return NPT_SUCCESS;
}

/*----------------------------------------------------------------------
|   NPT_LogManager::ConfigureLogger
+---------------------------------------------------------------------*/
NPT_Result
NPT_LogManager::ConfigureLogger(NPT_Logger* logger)
{
    /* configure the level */
    NPT_String* level_value = GetConfigValue(logger->m_Name,".level");
    if (level_value) {
        NPT_Int32 value;
        /* try a symbolic name */
        value = NPT_Log::GetLogLevel(*level_value);
        if (value < 0) {
            /* try a numeric value */
            if (NPT_FAILED(level_value->ToInteger(value, false))) {
                value = -1;
            }
        }
        if (value >= 0) {
            logger->m_Level = value;
            logger->m_LevelIsInherited = false;
        }
    }

    /* remove any existing handlers */
    logger->DeleteHandlers();

    /* configure the handlers */
    NPT_String* handlers = GetConfigValue(logger->m_Name,".handlers");
    if (handlers) {
        const char*     handlers_list = handlers->GetChars();
        const char*     cursor = handlers_list;
        const char*     name_start = handlers_list;
        NPT_String      handler_name;
        NPT_LogHandler* handler;
        for (;;) {
            if (*cursor == '\0' || *cursor == ',') {
                if (cursor != name_start) {
                    handler_name.Assign(name_start, (NPT_Size)(cursor-name_start));
                    handler_name.Trim(" \t");
                    
                    /* create a handler */
                    if (NPT_SUCCEEDED(
                        NPT_LogHandler::Create(logger->m_Name, handler_name, handler))) {
                        logger->AddHandler(handler);
                    }

                }
                if (*cursor == '\0') break;
                name_start = cursor+1;
            }
            ++cursor;
        }
    }

    /* configure the forwarding */
    NPT_String* forward = GetConfigValue(logger->m_Name,".forward");
    if (forward && !ConfigValueIsBooleanTrue(*forward)) {
        logger->m_ForwardToParent = false;
    }

    return NPT_SUCCESS;
}

/*----------------------------------------------------------------------
|   NPT_LogTcpHandler::Create
+---------------------------------------------------------------------*/
NPT_Result
NPT_LogTcpHandler::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 += ".TcpHandler";

    /* allocate a new object */
    NPT_LogTcpHandler* instance = new NPT_LogTcpHandler();
    handler = instance;

    /* configure the object */
    const NPT_String* hostname = LogManager.GetConfigValue(logger_prefix, ".hostname");
    if (hostname) {
        instance->m_Host = *hostname;
    } else {
        /* default hostname */
        instance->m_Host = "localhost";
    }
    const NPT_String* port = LogManager.GetConfigValue(logger_prefix, ".port");
    if (port) {
        NPT_UInt32 port_int;
        if (NPT_SUCCEEDED(port->ToInteger(port_int, true))) {
            instance->m_Port = (NPT_UInt16)port_int;
        } else {
            instance->m_Port = NPT_LOG_TCP_HANDLER_DEFAULT_PORT;
        }
    } else {
        /* default port */
        instance->m_Port = NPT_LOG_TCP_HANDLER_DEFAULT_PORT;
    }

    return NPT_SUCCESS;
}

/*----------------------------------------------------------------------
|   PLT_FileMediaServer::GetEntryCount
+---------------------------------------------------------------------*/
NPT_Result
PLT_FileMediaServer::GetEntryCount(const char* path, NPT_Cardinal& count) 
{
    NPT_String dir_path = path;

    // reset output params
    count = 0;

    // ensure path ends with a delimiter
    if (!dir_path.EndsWith(m_DirDelimiter)) {
        dir_path += m_DirDelimiter;
    }

    NPT_Directory directory(dir_path);
    NPT_String entryName;
    NPT_Result 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;
    }

    do {
        /* Check if the item would be ok to add to a didl */
//         NPT_Reference<PLT_MediaObject> item(BuildFromFilePath(dir_path + entryName, false));
//         if (!item.IsNull()) {
//             count++;
//         }
        NPT_DirectoryEntryInfo info; 
        if (ProceedWithEntry(dir_path + entryName, info)) count++;
        res = directory.GetNextEntry(entryName);
    } while (NPT_SUCCEEDED(res));

    return NPT_SUCCESS;
}

/*----------------------------------------------------------------------
|   PLT_HttpServer::ServeFile
+---------------------------------------------------------------------*/
NPT_Result 
PLT_HttpServer::ServeFile(const NPT_HttpRequest&        request, 
                          const NPT_HttpRequestContext& context,
                          NPT_HttpResponse&             response,
                          NPT_String                    file_path) 
{
    NPT_InputStreamReference stream;
    NPT_File                 file(file_path);
    NPT_FileInfo             file_info;
    
    // prevent hackers from accessing files outside of our root
    if ((file_path.Find("/..") >= 0) || (file_path.Find("\\..") >= 0) ||
        NPT_FAILED(NPT_File::GetInfo(file_path, &file_info))) {
        return NPT_ERROR_NO_SUCH_ITEM;
    }
    
    // check for range requests
    const NPT_String* range_spec = request.GetHeaders().GetHeaderValue(NPT_HTTP_HEADER_RANGE);
    
    // handle potential 304 only if range header not set
    NPT_DateTime  date;
    NPT_TimeStamp timestamp;
    if (NPT_SUCCEEDED(PLT_UPnPMessageHelper::GetIfModifiedSince((NPT_HttpMessage&)request, date)) &&
        !range_spec) {
        date.ToTimeStamp(timestamp);
        
        NPT_LOG_INFO_5("File %s timestamps: request=%d (%s) vs file=%d (%s)", 
                       (const char*)request.GetUrl().GetPath(),
                       (NPT_UInt32)timestamp.ToSeconds(),
                       (const char*)date.ToString(),
                       (NPT_UInt32)file_info.m_ModificationTime,
                       (const char*)NPT_DateTime(file_info.m_ModificationTime).ToString());
        
        if (timestamp >= file_info.m_ModificationTime) {
            // it's a match
            NPT_LOG_FINE_1("Returning 304 for %s", request.GetUrl().GetPath().GetChars());
            response.SetStatus(304, "Not Modified", NPT_HTTP_PROTOCOL_1_1);
            return NPT_SUCCESS;
        }
    }
    
    // open file
    if (NPT_FAILED(file.Open(NPT_FILE_OPEN_MODE_READ)) || 
        NPT_FAILED(file.GetInputStream(stream))        ||
        stream.IsNull()) {
        return NPT_ERROR_NO_SUCH_ITEM;
    }
    
    // set Last-Modified and Cache-Control headers
    if (file_info.m_ModificationTime) {
        NPT_DateTime last_modified = NPT_DateTime(file_info.m_ModificationTime);
        response.GetHeaders().SetHeader("Last-Modified", last_modified.ToString(NPT_DateTime::FORMAT_RFC_1123), true);
        response.GetHeaders().SetHeader("Cache-Control", "max-age=0,must-revalidate", true);
        //response.GetHeaders().SetHeader("Cache-Control", "max-age=1800", true);
    }
    
    PLT_HttpRequestContext tmp_context(request, context);
    return ServeStream(request, context, response, stream, PLT_MimeType::GetMimeType(file_path, &tmp_context));
}

/*----------------------------------------------------------------------
|    BtPlayerServer::Run
+---------------------------------------------------------------------*/
void
BtPlayerServer::Run()
{
    NPT_Result result;
    do {
        result = m_Player.PumpMessage();
    } while (NPT_SUCCEEDED(result));
}

/*----------------------------------------------------------------------
|   PLT_MicroMediaController::PopDirectoryStackToRoot
+---------------------------------------------------------------------*/
void
PLT_MicroMediaController::PopDirectoryStackToRoot(void)
{
    NPT_String val;
    while (NPT_SUCCEEDED(m_CurBrowseDirectoryStack.Peek(val)) && val.Compare("0")) {
        m_CurBrowseDirectoryStack.Pop(val);
    }
}

const Object *RootContainer::findObject(const NPT_String& id) const
{
	Object **obj;
	if (NPT_SUCCEEDED(m_objectMap.Get(id, obj))) {
		return *obj;
	}
	return NULL;
}

/*----------------------------------------------------------------------
|   PLT_DeviceData::SetDescription
+---------------------------------------------------------------------*/
NPT_Result
PLT_DeviceData::SetDescription(PLT_DeviceDataReference&      root_device,
                               NPT_TimeInterval              leasetime,
                               NPT_HttpUrl                   description_url,
                               const char*                   description, 
                               const NPT_HttpRequestContext& context)
{
    NPT_XmlParser       parser;
    NPT_XmlNode*        tree = NULL;
    NPT_Result          res;
    NPT_XmlElementNode* root = NULL;
    NPT_String          URLBase;
    
    // create new device if none passed
    if (root_device.IsNull()) {
        root_device = new PLT_DeviceData(description_url, "", leasetime);
    }
    
    res = parser.Parse(description, tree);
    NPT_CHECK_LABEL_SEVERE(res, cleanup);

    root = tree->AsElementNode();
    if (!root || 
        root->GetTag() != "root" || 
        !root->GetNamespace() || 
        *root->GetNamespace() != "urn:schemas-upnp-org:device-1-0") {
        NPT_LOG_INFO_1("root namespace is invalid: %s", 
            (root&&root->GetNamespace())?root->GetNamespace()->GetChars():"null");
        NPT_CHECK_LABEL_SEVERE(NPT_FAILURE, cleanup);
    }

    // look for optional URLBase element
    if (NPT_SUCCEEDED(PLT_XmlHelper::GetChildText(root, "URLBase", URLBase))) {
        NPT_HttpUrl url(URLBase);
		// Some devices like Connect360 try to be funny - not so
        if (url.GetHost().ToLowercase() == "localhost" ||
            url.GetHost().ToLowercase() == "127.0.0.1") {
            url.SetHost(context.GetRemoteAddress().GetIpAddress().ToString());
        }
        root_device->SetURLBase(url);
    } else {
        // No URLBase, derive from description url
        root_device->SetURLBase(description_url);
    }

    // at least one root device child element is required
    NPT_XmlElementNode* device;
    if (!(device = PLT_XmlHelper::GetChild(root, "device"))) {
        NPT_CHECK_LABEL_SEVERE(NPT_FAILURE, cleanup);
    }

    res = SetDescriptionDevice(root_device, device, context);

cleanup:
    // delete the tree
    delete tree;
    return res;
}

void FrontEnd::SsdpBroadcastTask::exec()
{
	while (!aborted()) {
		if (NPT_SUCCEEDED(m_waitVar.WaitWhileEquals(0, 5000))) {
			break;
		}
		m_owner->broadcastIfNecessary();
	}
}

/*----------------------------------------------------------------------
|   PLT_DeviceData::FindServiceByEventSubURI
+---------------------------------------------------------------------*/
NPT_Result
PLT_DeviceData::FindServiceByEventSubURI(const char*   uri, 
                                         PLT_Service*& service)
{       
    if (NPT_SUCCEEDED(NPT_ContainerFind(m_Services, 
                                        PLT_ServiceEventSubURLFinder(uri), 
                                        service))) {
        return NPT_SUCCESS;
    }

    for (int i=0; i < (int)m_EmbeddedDevices.GetItemCount(); i++) {
        if (NPT_SUCCEEDED(NPT_ContainerFind(m_EmbeddedDevices[i]->m_Services, 
                                            PLT_ServiceEventSubURLFinder(uri), 
                                            service)))
            return NPT_SUCCESS;
    }
    return NPT_FAILURE;
}

/*----------------------------------------------------------------------
|   PLT_MediaBrowser::OnDeviceAdded
+---------------------------------------------------------------------*/
NPT_Result
PLT_MediaBrowser::OnDeviceAdded(PLT_DeviceDataReference& device)
{
    // verify the device implements the function we need
    PLT_Service* serviceCDS;
    PLT_Service* serviceCMR;
    NPT_String   type;

    if (!device->GetType().StartsWith("urn:schemas-upnp-org:device:MediaServer"))
        return NPT_FAILURE;
    
    type = "urn:schemas-upnp-org:service:ContentDirectory:*";
    if (NPT_FAILED(device->FindServiceByType(type, serviceCDS))) {
        NPT_LOG_WARNING_2("Service %s not found in device \"%s\"", 
            type.GetChars(),
            device->GetFriendlyName().GetChars());
        return NPT_FAILURE;
    } else {
        // in case it's a newer upnp implementation, force to 1
        serviceCDS->ForceVersion(1);
    }
    
    type = "urn:schemas-upnp-org:service:ConnectionManager:*";
    if (NPT_FAILED(device->FindServiceByType(type, serviceCMR))) {
        NPT_LOG_WARNING_2("Service %s not found in device \"%s\"", 
            type.GetChars(), 
            device->GetFriendlyName().GetChars());
        return NPT_FAILURE;
    } else {
        // in case it's a newer upnp implementation, force to 1
        serviceCMR->ForceVersion(1);
    }
    
    {
        NPT_AutoLock lock(m_MediaServers);

        PLT_DeviceDataReference data;
        NPT_String uuid = device->GetUUID();
        
        // is it a new device?
        if (NPT_SUCCEEDED(NPT_ContainerFind(m_MediaServers, PLT_DeviceDataFinder(uuid), data))) {
            NPT_LOG_WARNING_1("Device (%s) is already in our list!", (const char*)uuid);
            return NPT_FAILURE;
        }

        NPT_LOG_FINE_1("Device Found: %s", (const char*)*device);

        m_MediaServers.Add(device);
    }

    if (m_Delegate && m_Delegate->OnMSAdded(device)) {
        m_CtrlPoint->Subscribe(serviceCDS);
        m_CtrlPoint->Subscribe(serviceCMR);
    }
    
    return NPT_SUCCESS;
}

/*----------------------------------------------------------------------
|   PLT_DeviceData::FindEmbeddedDeviceByType
+---------------------------------------------------------------------*/
NPT_Result
PLT_DeviceData::FindEmbeddedDeviceByType(const char*              type, 
                                         PLT_DeviceDataReference& device)
{
    NPT_Result res = NPT_ContainerFind(m_EmbeddedDevices, 
        PLT_DeviceDataFinderByType(type), 
        device);
    if (NPT_SUCCEEDED(res)) return res;

    for (int i=0; i<(int)m_EmbeddedDevices.GetItemCount(); i++) {
        res = m_EmbeddedDevices[i]->FindEmbeddedDeviceByType(
            type, 
            device);
        if (NPT_SUCCEEDED(res)) return res;
    }

    return NPT_FAILURE;
}