C++ NPT_String::GetChars方法代码示例

/*----------------------------------------------------------------------
|   BLT_DecoderServer::OnSetPropertyCommand
+---------------------------------------------------------------------*/
void 
BLT_DecoderServer::OnSetPropertyCommand(BLT_PropertyScope        scope,
                                        const NPT_String&        /*target*/,
                                        const NPT_String&        name,
                                        const ATX_PropertyValue* value)
{
    BLT_Result result;
    ATX_LOG_FINE_1("[%s]", name.GetChars());

    ATX_Properties* properties = NULL;
    switch (scope) {
        case BLT_PROPERTY_SCOPE_CORE:
            result = BLT_Decoder_GetProperties(m_Decoder, &properties);
            break;
            
        case BLT_PROPERTY_SCOPE_STREAM:
            result = BLT_Decoder_GetStreamProperties(m_Decoder, &properties);
            break;
            
        default:
            // not handled yet
            result = BLT_ERROR_NOT_SUPPORTED;
    }
    if (ATX_SUCCEEDED(result) && properties != NULL) {
        result = ATX_Properties_SetProperty(properties, name.GetChars(), value);
    }
    SendReply(BLT_DecoderServer_Message::COMMAND_ID_SET_PROPERTY, result);
}

/*----------------------------------------------------------------------
|   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;
}

void JNICore::onDiscoveryListChaned(const NPT_String& ip, const NPT_String& devName, const int type)
{
	VMGuard vmguard;
	if (JNIEnv *env = vmguard.env()) {
		jstring jsIp = env->NewStringUTF(ip.GetChars());
		jstring jsDev = env->NewStringUTF(devName.GetChars());
		env->CallVoidMethod(m_delegateObj, CG::f_DLNACore_hookDDLC, jsIp, jsDev, type);
		env->DeleteLocalRef(jsIp);
		env->DeleteLocalRef(jsDev);
	}
}

void JNICore::dmrOpen(const NPT_String& url, const NPT_String& mimeType, const NPT_String& metaData)
{
	VMGuard vmguard;
	if (JNIEnv *env = vmguard.env()) {
		jstring urlStr = env->NewStringUTF(url.GetChars());
		jstring mimeTypeStr = env->NewStringUTF(mimeType.GetChars());
		jstring metaDataStr = env->NewStringUTF(metaData.GetChars());
		env->CallVoidMethod(m_delegateObj, CG::f_DLNACore_hookDmrOpen, urlStr, mimeTypeStr, metaDataStr);
		env->DeleteLocalRef(urlStr);
		env->DeleteLocalRef(mimeTypeStr);
		env->DeleteLocalRef(metaDataStr);
	}
}

/*----------------------------------------------------------------------
|   PLT_HttpHelper::ParseBody
+---------------------------------------------------------------------*/
NPT_Result
PLT_HttpHelper::ParseBody(const NPT_HttpMessage& message, 
                          NPT_XmlElementNode*&   tree) 
{
    // reset tree
    tree = NULL;

    // read body
    NPT_String body;
    NPT_CHECK_WARNING(GetBody(message, body));

    // parse body
    NPT_XmlParser parser;
    NPT_XmlNode*  node;
    NPT_Result result = parser.Parse(body, node);
    if (NPT_FAILED(result)) {
        NPT_LOG_FINEST_1("Failed to parse %s", body.IsEmpty()?"(empty string)":body.GetChars());
        NPT_CHECK_WARNING(result);
    }
    
    tree = node->AsElementNode();
    if (!tree) {
        delete node;
        return NPT_FAILURE;
    }

    return NPT_SUCCESS;
}

/*----------------------------------------------------------------------
|   PLT_MediaRenderer::OnSetAVTransportURI
+---------------------------------------------------------------------*/
NPT_Result
PLT_MediaRenderer::OnSetAVTransportURI(PLT_ActionReference& action)
{
	/*test*/
	PLT_Service* serviceAVT;
	NPT_CHECK_WARNING(FindServiceByType("urn:schemas-upnp-org:service:AVTransport:1", serviceAVT));

	// update service state variables
	//serviceAVT->SetStateVariable("TransportState", "TRANSITIONING");
	/*test*/
    if (m_Delegate) {
        return m_Delegate->OnSetAVTransportURI(action);
    }
    
    // default implementation is using state variable
	NPT_String uri;
	NPT_CHECK_WARNING(action->GetArgumentValue("CurrentURI", uri));

    NPT_String metadata;
    NPT_CHECK_WARNING(action->GetArgumentValue("CurrentURIMetaData", metadata));
    
    //PLT_Service* serviceAVT;
    //NPT_CHECK_WARNING(FindServiceByType("urn:schemas-upnp-org:service:AVTransport:1", serviceAVT));

    // update service state variables
    serviceAVT->SetStateVariable("AVTransportURI", uri);
    serviceAVT->SetStateVariable("AVTransportURIMetaData", metadata);

	//serviceAVT->SetStateVariable("TransportState", "PLAYING");//test
	OutputDebugString(uri.GetChars());

    return NPT_SUCCESS;
}

    void Run() {
        do {
            // wait for a connection
            NPT_Socket* client = NULL;
            NPT_LOG_FINE_1("waiting for connection on port %d...", m_Port);
            NPT_Result result = m_Socket.WaitForNewClient(client, NPT_TIMEOUT_INFINITE);
            if (NPT_FAILED(result) || client == NULL) return;
                    
            NPT_SocketInfo client_info;
            client->GetInfo(client_info);
            NPT_LOG_FINE_2("client connected (%s -> %s)",
                client_info.local_address.ToString().GetChars(),
                client_info.remote_address.ToString().GetChars());

            // get the output stream
            NPT_OutputStreamReference output;
            client->GetOutputStream(output);

            // generate policy based on our current IP
            NPT_String policy = "<cross-domain-policy>";
            policy += "<allow-access-from domain=\""+client_info.local_address.GetIpAddress().ToString()+"\" to-ports=\""+m_AuthorizedPorts+"\"/>";
            policy += "<allow-access-from domain=\""+client_info.remote_address.GetIpAddress().ToString()+"\" to-ports=\""+m_AuthorizedPorts+"\"/>";
            policy += "</cross-domain-policy>";

            NPT_MemoryStream* mem_input = new NPT_MemoryStream();
            mem_input->Write(policy.GetChars(), policy.GetLength());
            NPT_InputStreamReference input(mem_input);
            
            NPT_StreamToStreamCopy(*input, *output);
            
            
            delete client;
        } while (!m_Aborted);
    }

/*----------------------------------------------------------------------
|   NPT_String::Replace
+---------------------------------------------------------------------*/
const NPT_String&
NPT_String::Replace(char a, const char* str) 
{
    // check args
    if (m_Chars == NULL || a == '\0' || str == NULL || str[0] == '\0') return *this;

    // optimization
    if (NPT_StringLength(str) == 1) return Replace(a, str[0]);

    // we are going to create a new string
    NPT_String dst;
    char* src = m_Chars;

    // reserve at least as much as input
    dst.Reserve(GetLength());

    // process the buffer
    while (*src) {
        if (*src == a) {
            dst += str;
        } else {
            dst += *src;
        }
        src++;
    }

    Assign(dst.GetChars(), dst.GetLength());
    return *this;
}

/*----------------------------------------------------------------------
|       NPT_Win32WindowMessageQueue
+---------------------------------------------------------------------*/
NPT_Win32WindowMessageQueue::NPT_Win32WindowMessageQueue()
{
    // create a hidden window to process our incoming messages
    WNDCLASS wclass;

    // compute a unique class name
    m_ClassName[0] = 'N';
    m_ClassName[1] = 'P';
    m_ClassName[2] = 'T';
    m_ClassName[3] = 'H';
    m_ClassName[4] = 'W';
    NPT_String tid = NPT_String::FromInteger(GetCurrentThreadId());
    for (unsigned int i=0; i<=tid.GetLength(); i++) {
        m_ClassName[5+i] = tid.GetChars()[i];        
    }

    // register a window class
    wclass.style         = 0;
    wclass.lpfnWndProc   = NPT_Win32WindowMessageQueue::WindowProcedure;
    wclass.cbClsExtra    = 0;
    wclass.cbWndExtra    = 0;
    wclass.hInstance     = GetModuleHandle(NULL);
    wclass.hIcon         = NULL;
    wclass.hCursor       = NULL;
    wclass.hbrBackground = NULL;
    wclass.lpszMenuName  = NULL;
    wclass.lpszClassName = m_ClassName;

    // register the class and ignore any error because we might
    // be registering the class more than once                  
    RegisterClass(&wclass);

    // create the hidden window
    m_WindowHandle = CreateWindow(
        wclass.lpszClassName, // pointer to registered class name 
        TEXT(""),             // pointer to window name 
        0,                    // window style 
        0,                    // horizontal position of window 
        0,                    // vertical position of window 
        0,                    // window width 
        0,                    // window height 
        NULL,                 // handle to parent or owner window 
        NULL,                 // handle to menu or child-window identifier 
        wclass.hInstance,     // handle to application instance 
        NULL);

    // set a pointer to ourself as user data */
#if defined(_MSC_VER)
#pragma warning( push )
#pragma warning( disable: 4244) // we have to test for this because SetWindowLongPtr
                                // is incorrectly defined, so we'll get a C4244 warning
#endif // _MSC_VER
    if (m_WindowHandle) {
        SetWindowLongPtr(m_WindowHandle, GWLP_USERDATA, NPT_POINTER_TO_LONG(this));
    }
#if defined(_MSC_VER)
#pragma warning( pop )
#endif // _MSC_VER
    m_hInstance = wclass.hInstance;
}

/*----------------------------------------------------------------------
|   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;
}

/*----------------------------------------------------------------------
|       UdpServerLoop
+---------------------------------------------------------------------*/
static void
UdpServerLoop(int port)
{
    NPT_UdpSocket listener;

    // info
    if (Options.verbose) {
        NPT_Debug("listening on port %d\n", port);
    }

    NPT_Result result = listener.Bind(NPT_SocketAddress(NPT_IpAddress::Any, port));
    if (NPT_FAILED(result)) {
        NPT_Debug("ERROR: Bind() failed (%d)\n", result);
    }

    // packet loop
    NPT_DataBuffer packet(32768);
    NPT_SocketAddress address;

    do {
        result = listener.Receive(packet, &address);
        if (NPT_SUCCEEDED(result)) {
            if (Options.verbose) {
                NPT_String ip = address.GetIpAddress().ToString();
                NPT_Debug("Received %d bytes from %s:%d\n", packet.GetDataSize(), ip.GetChars(), address.GetPort());
            }

            listener.Send(packet, &address);
        }
    } while (NPT_SUCCEEDED(result));
}

/*----------------------------------------------------------------------
|   NPT_String::NPT_String
+---------------------------------------------------------------------*/
NPT_String::NPT_String(const NPT_String& str)
{
    if (str.GetLength() == 0) {
        m_Chars = NULL;
    } else {
        m_Chars = Buffer::Create(str.GetChars(), str.GetLength());
    }
}

/*----------------------------------------------------------------------
|   NPT_LogUdpHandler::Log
+---------------------------------------------------------------------*/
void
NPT_LogUdpHandler::Log(const NPT_LogRecord& record)
{
    // format the record
    NPT_String msg;
    NPT_LogTcpHandler::FormatRecord(record, msg);
    
    // send it in a datagram
    NPT_DataBuffer buffer(msg.GetChars(), msg.GetLength()+1, false);
    m_Socket.Send(buffer, &m_Target);
}

/*----------------------------------------------------------------------
|   NPT_LogManager::ParseConfigSource
+---------------------------------------------------------------------*/
NPT_Result
NPT_LogManager::ParseConfigSource(NPT_String& source) 
{
    if (source.StartsWith("file:")) {
        /* file source */
        ParseConfigFile(source.GetChars()+5);
    } else if (source.StartsWith("plist:")) {
        /* property list source */
        ParseConfig(source.GetChars()+6, source.GetLength()-6);
    } else if (source.StartsWith("http:port=")) {
        /* http configurator */
        unsigned int port = 0;
        NPT_Result result = NPT_ParseInteger(source.GetChars()+10, port, true);
        if (NPT_FAILED(result)) return result;
        new NPT_HttpLoggerConfigurator(port);
    } else {
        return NPT_ERROR_INVALID_SYNTAX;
    }

    return NPT_SUCCESS;
}

 NPT_Result SendResponseBody(const NPT_HttpRequestContext& /*context*/,
                             NPT_HttpResponse&             /*response*/,
                             NPT_OutputStream&             output) {
     NPT_HttpChunkedOutputStream chunker(output);
     chunker.WriteString("<html><body>\r\n");
     for (unsigned int i=0; i<30; i++) {
         NPT_String line = "Line ";
         line += NPT_String::FromInteger(i).GetChars();
         chunker.WriteString(line.GetChars());
         chunker.Flush();
         NPT_System::Sleep(NPT_TimeInterval(0.2f));
     }
     chunker.WriteString("</body></html>\r\n");
     return NPT_SUCCESS;
 }