NPT_Result SetupResponse(NPT_HttpRequest&              /*request*/, 
                          const NPT_HttpRequestContext& /*context*/,
                          NPT_HttpResponse&             response) {
     NPT_HttpEntity* entity = response.GetEntity();
     entity->SetContentType("text/html");
     return NPT_SUCCESS;
 }
 NPT_Result SetupResponse(NPT_HttpRequest&              /*request*/, 
                          const NPT_HttpRequestContext& /*context*/,
                          NPT_HttpResponse&             response) {
     NPT_HttpEntity* entity = response.GetEntity();
     entity->SetContentType("text/html");
     entity->SetTransferEncoding("chunked");
     response.SetProtocol(NPT_HTTP_PROTOCOL_1_1);
     return NPT_SUCCESS;
 }
 NPT_Result SetupResponse(NPT_HttpRequest&              /*request*/, 
                          const NPT_HttpRequestContext& /*context*/,
                          NPT_HttpResponse&             response) {
     NPT_HttpEntity* entity = response.GetEntity();
     entity->SetContentType("text/html");
     entity->SetInputStream("<html><body>Bye Bye!</body></html>");
     KillRequest = true;
     
     return NPT_SUCCESS;
 }
Пример #4
0
/*----------------------------------------------------------------------
|   CUPnPRenderer::ProcessHttpRequest
+---------------------------------------------------------------------*/
NPT_Result
CUPnPRenderer::ProcessHttpGetRequest(NPT_HttpRequest&              request,
                                  const NPT_HttpRequestContext& context,
                                  NPT_HttpResponse&             response)
{
    // get the address of who sent us some data back
    NPT_String  ip_address = context.GetRemoteAddress().GetIpAddress().ToString();
    NPT_String  method     = request.GetMethod();
    NPT_String  protocol   = request.GetProtocol();
    NPT_HttpUrl url        = request.GetUrl();

    if (url.GetPath() == "/thumb") {
        NPT_HttpUrlQuery query(url.GetQuery());
        NPT_String filepath = query.GetField("path");
        if (!filepath.IsEmpty()) {
            NPT_HttpEntity* entity = response.GetEntity();
            if (entity == NULL) return NPT_ERROR_INVALID_STATE;

            // check the method
            if (request.GetMethod() != NPT_HTTP_METHOD_GET &&
                request.GetMethod() != NPT_HTTP_METHOD_HEAD) {
                response.SetStatus(405, "Method Not Allowed");
                return NPT_SUCCESS;
            }

            // prevent hackers from accessing files outside of our root
            if ((filepath.Find("/..") >= 0) || (filepath.Find("\\..") >=0)) {
                return NPT_FAILURE;
            }
#if 1
            std::string path;
            //url
#else
            // open the file
            CStdString path = CURL::Decode((const char*) filepath);
#endif
            NPT_File file(path.c_str());
            NPT_Result result = file.Open(NPT_FILE_OPEN_MODE_READ);
            if (NPT_FAILED(result)) {
                response.SetStatus(404, "Not Found");
                return NPT_SUCCESS;
            }
            NPT_InputStreamReference stream;
            file.GetInputStream(stream);
            entity->SetContentType(GetMimeType(filepath));
            entity->SetInputStream(stream, true);

            return NPT_SUCCESS;
        }
    }

    return PLT_MediaRenderer::ProcessHttpGetRequest(request, context, response);
}
Пример #5
0
/*----------------------------------------------------------------------
|   NPT_HttpLoggerConfigurator::SetupResponse
+---------------------------------------------------------------------*/
NPT_Result
NPT_HttpLoggerConfigurator::SetupResponse(NPT_HttpRequest&              request,
                                          const NPT_HttpRequestContext& /*context*/,
                                          NPT_HttpResponse&             response)
{
    // we only support GET here
    if (request.GetMethod() != NPT_HTTP_METHOD_GET) return NPT_ERROR_HTTP_METHOD_NOT_SUPPORTED;

    // construct the response message
    NPT_String msg;
    
    msg = "<ul>";
    NPT_List<NPT_LogConfigEntry>& config = LogManager.GetConfig();
    NPT_List<NPT_LogConfigEntry>::Iterator cit = config.GetFirstItem();
    for (; cit; ++cit) {
        NPT_LogConfigEntry& entry = (*cit);
        msg += "<li>";
        msg += entry.m_Key;
        msg += "=";
        msg += entry.m_Value;
        msg += "</li>";
    }
    msg += "</ul>";

    msg += "<ul>";
    NPT_List<NPT_Logger*>& loggers = LogManager.GetLoggers();
    NPT_List<NPT_Logger*>::Iterator lit = loggers.GetFirstItem();
    for (;lit;++lit) {
        NPT_Logger* logger = (*lit);
        msg += "<li>";
        msg += logger->GetName();
        msg += ", level=";
        msg += NPT_String::FromInteger(logger->GetLevel());

        NPT_List<NPT_LogHandler*>& handlers = logger->GetHandlers();
        NPT_List<NPT_LogHandler*>::Iterator hit = handlers.GetFirstItem();
        msg += ", handlers=";
        for (;hit;++hit) {
            NPT_LogHandler* handler = (*hit);
            msg += handler->ToString();
        }
        msg += "</li>";
    }
    msg += "</ul>";

    // setup the response body
    NPT_HttpEntity* entity = response.GetEntity();
    entity->SetContentType("text/html");
    entity->SetInputStream(msg);

    return NPT_SUCCESS;
}
Пример #6
0
    // NPT_HttpRequetsHandler methods
    virtual NPT_Result SetupResponse(NPT_HttpRequest&              request, 
                                     const NPT_HttpRequestContext& context,
                                     NPT_HttpResponse&             response) {
        NPT_COMPILER_UNUSED(request);
        NPT_COMPILER_UNUSED(context);

        NPT_HttpEntity* entity = response.GetEntity();
        if (entity == NULL) return NPT_ERROR_INVALID_STATE;

        entity->SetContentType(m_MimeType);
        entity->SetInputStream(m_Body);

        return NPT_SUCCESS;
    }
Пример #7
0
/*----------------------------------------------------------------------
|   PLT_HttpHelper::IsBodyStreamSeekable
+---------------------------------------------------------------------*/
bool
PLT_HttpHelper::IsBodyStreamSeekable(NPT_HttpMessage* message)
{
    NPT_HttpEntity* entity = message->GetEntity();
    NPT_InputStreamReference stream;
    if (!entity || NPT_FAILED(entity->GetInputStream(stream))) return true;

    // try to get current position and seek there
    NPT_Position position;
    if (NPT_FAILED(stream->Tell(position)) || 
        NPT_FAILED(stream->Seek(position))) {
        return false;
    }

    return true;
}
Пример #8
0
bool CStreamCtrl::RecvHeaderData(NPT_HttpUrl url,NPT_DataBuffer& buffer)
{
	NPT_HttpClient client;
	NPT_String rdUrl=url.ToString();
	// first request
	NPT_HttpRequest request(url, NPT_HTTP_METHOD_GET, NPT_HTTP_PROTOCOL_1_1);

	NPT_HttpResponse* response = NULL;
	client.SendRequest(request, response);
	NPT_HttpEntity* entity = NULL;
	if (response && (entity = response->GetEntity())) {
		if (NPT_FAILED(entity->Load(buffer))) return false;
	}
	else
		return false;

	return true;
}
Пример #9
0
/*----------------------------------------------------------------------
|   PLT_HttpHelper::GetBody
+---------------------------------------------------------------------*/
NPT_Result 
PLT_HttpHelper::GetBody(NPT_HttpMessage& message, NPT_String& body) 
{
    NPT_Result res;
    NPT_InputStreamReference stream;

    // get stream
    NPT_HttpEntity* entity = message.GetEntity();
    if (!entity || NPT_FAILED(entity->GetInputStream(stream))) {
        return NPT_FAILURE;
    }

    // extract body
    NPT_StringOutputStream* output_stream = new NPT_StringOutputStream(&body);
    res = NPT_StreamToStreamCopy(*stream, *output_stream, 0, entity->GetContentLength());
    delete output_stream;
    return res;
}
/*----------------------------------------------------------------------
|       ShowResponse
+---------------------------------------------------------------------*/
static void
ShowResponse(NPT_HttpResponse* response)
{
    bool check_available = true;//true;
    
    // show entity
    NPT_HttpEntity* entity = response->GetEntity();
    if (entity == NULL) return;
    
    NPT_Console::OutputF("ENTITY: length=%lld, type=%s, encoding=%s\n",
                         entity->GetContentLength(),
                         entity->GetContentType().GetChars(),
                         entity->GetContentEncoding().GetChars());

    NPT_DataBuffer buffer(65536);
    NPT_Result result;
    NPT_InputStreamReference input;
    entity->GetInputStream(input);
    
    NPT_TimeStamp start;
    NPT_System::GetCurrentTimeStamp(start);
    float total_read = 0.0f;
    for (;;) {
        NPT_Size bytes_read = 0;
        NPT_LargeSize available = 0;
        NPT_Size to_read = 65536;
        if (check_available) {
            input->GetAvailable(available);
            if ((NPT_Size)available < to_read) to_read = (NPT_Size)available;
            if (to_read == 0) {
                to_read = 1;
                NPT_TimeStamp sleep_time(0.01f);
                NPT_System::Sleep(sleep_time);
            }
        }
        result = input->Read(buffer.UseData(), to_read, &bytes_read);
        if (NPT_FAILED(result)) break;
        total_read += bytes_read;
        NPT_TimeStamp now;
        NPT_System::GetCurrentTimeStamp(now);
        NPT_TimeStamp duration = now-start;
        NPT_Console::OutputF("%6d avail, read %6d bytes, %6.3f KB/s\n", (int)available, bytes_read, (float)((total_read/1024.0)/(double)duration));
    }
}
Пример #11
0
/*----------------------------------------------------------------------
|   PLT_Downloader::ProcessResponse
+---------------------------------------------------------------------*/
NPT_Result 
PLT_Downloader::ProcessResponse(NPT_Result                    res, 
                                const NPT_HttpRequest&        request, 
                                const NPT_HttpRequestContext& context, 
                                NPT_HttpResponse*             response)
{
    NPT_COMPILER_UNUSED(request);
    NPT_COMPILER_UNUSED(context);

    if (NPT_FAILED(res)) {
        NPT_LOG_WARNING_2("Downloader error %d for %s", res, m_URL.ToString().GetChars());
        m_State = PLT_DOWNLOADER_ERROR;
        return res;
    }

    m_State = PLT_DOWNLOADER_DOWNLOADING;

    NPT_HttpEntity* entity;
    NPT_InputStreamReference body;
    if (!response || 
        !(entity = response->GetEntity()) || 
        NPT_FAILED(entity->GetInputStream(body)) || 
        body.IsNull()) {
        m_State = PLT_DOWNLOADER_ERROR;
        NPT_LOG_WARNING_2("No body %d for %s", res, m_URL.ToString().GetChars());
        return NPT_FAILURE;
    }

    // Read body (no content length means until socket is closed)
    res = NPT_StreamToStreamCopy(*body.AsPointer(), 
        *m_Output.AsPointer(), 
        0, 
        entity->GetContentLength());

    if (NPT_FAILED(res)) {
        NPT_LOG_WARNING_2("Downloader error %d for %s", res, m_URL.ToString().GetChars());
        m_State = PLT_DOWNLOADER_ERROR;
        return res;
    }
    
    NPT_LOG_INFO_1("Finished downloading %s", m_URL.ToString().GetChars());
    m_State = PLT_DOWNLOADER_SUCCESS;
    return NPT_SUCCESS;
}
Пример #12
0
/*----------------------------------------------------------------------
|   NPT_HttpMessage::SetBody
+---------------------------------------------------------------------*/
NPT_Result
PLT_HttpHelper::SetBody(NPT_HttpMessage* message, NPT_InputStreamReference& stream, NPT_Size len)
{
    if (len == 0) {
        NPT_CHECK_SEVERE(stream->GetAvailable(len));
    }

    // get the entity
    NPT_HttpEntity* entity = message->GetEntity();
    if (entity == NULL) {
        // no entity yet, create one
        message->SetEntity(entity = new NPT_HttpEntity());
    }

    // set the entity body
    entity->SetInputStream(stream);
    entity->SetContentLength(len);
    return NPT_SUCCESS;
}
Пример #13
0
/*----------------------------------------------------------------------
|   PLT_MediaConnect::ProcessGetSCPD
+---------------------------------------------------------------------*/
NPT_Result 
PLT_MediaConnect::ProcessGetSCPD(PLT_Service*                  service,
                                 NPT_HttpRequest&              request,
                                 const NPT_HttpRequestContext& context,
                                 NPT_HttpResponse&             response)
{
    PLT_DeviceSignature signature = PLT_HttpHelper::GetDeviceSignature(request);
    
    // Override SCPD response by providing an SCPD without a Search action
    // to all devices except XBox or WMP which need it
    if (service->GetServiceType() == "urn:schemas-upnp-org:service:ContentDirectory:1" &&
        signature != PLT_DEVICE_XBOX && signature != PLT_DEVICE_WMP && signature != PLT_DEVICE_SONOS) {
        NPT_HttpEntity* entity;
        PLT_HttpHelper::SetBody(response, (const char*) MS_ContentDirectorySCPD, &entity);    
        entity->SetContentType("text/xml; charset=\"utf-8\"");
        return NPT_SUCCESS;
    }

    return PLT_MediaServer::ProcessGetSCPD(service, request, context, response);
}
Пример #14
0
    NPT_Result SetupResponse(NPT_HttpRequest&  request, 
                             NPT_HttpResponse& response,
                             NPT_SocketInfo&   /*info*/) {
        NPT_String msg = "<HTML>";
        msg += "PATH=";
        msg += request.GetUrl().GetPath();
        msg += " <P><UL>";
        if (request.GetUrl().HasQuery()) {
            NPT_HttpUrlQuery query(request.GetUrl().GetQuery());
            for (NPT_List<NPT_HttpUrlQuery::Field>::Iterator it = query.GetFields().GetFirstItem();
                 it;
                 ++it) {
                 NPT_HttpUrlQuery::Field& field = *it;
                 msg += "<LI>";
                 msg += field.m_Name;
                 msg += " = ";
                 msg += field.m_Value;
                 msg += " </LI>";
            }
        }
        msg += "</UL></HTML>";

        if (request.GetMethod() == NPT_HTTP_METHOD_POST) {
            NPT_DataBuffer request_body;
            request.GetEntity()->Load(request_body);
            NPT_Debug("REQUEST: body = %d bytes\n", request_body.GetDataSize());
            NPT_Debug("REQUEST: content type = %s\n", request.GetEntity()->GetContentType().GetChars());
            if (request.GetEntity()->GetContentType().StartsWith("text") ||
                request.GetEntity()->GetContentType() == "application/x-www-form-urlencoded") {
                NPT_String body_string;
                body_string.Assign((char*)request_body.GetData(), request_body.GetDataSize());
                NPT_Debug("%s", body_string.GetChars());
            }
        }

        NPT_HttpEntity* entity = response.GetEntity();
        entity->SetContentType("text/html");
        entity->SetInputStream(msg);

        return NPT_SUCCESS;
    }
Пример #15
0
bool CStreamCtrl::RecvMediaData(NPT_HttpUrl url,int in_nStartPos, 
									int in_nEndPos,NPT_DataBuffer& buffer)
{
	NPT_HttpClient client;
	NPT_String rdUrl=url.ToString();
	// first request
	NPT_HttpRequest request(url, NPT_HTTP_METHOD_GET, NPT_HTTP_PROTOCOL_1_1);
	char range[100]={0};
	sprintf(range," bytes=%d-%d",in_nStartPos,in_nEndPos-1);
	request.GetHeaders().SetHeader(NPT_HTTP_HEADER_RANGE,range);

	NPT_HttpResponse* response = NULL;
	client.SendRequest(request, response);
	NPT_HttpEntity* entity = NULL;
	if (response && (entity = response->GetEntity())) {
		if (NPT_FAILED(entity->Load(buffer))) return false;
	}
	else
		return false;

	return true;
}
Пример #16
0
/*----------------------------------------------------------------------
|   PLT_Downloader::ProcessResponse
+---------------------------------------------------------------------*/
NPT_Result 
PLT_Downloader::ProcessResponse(NPT_Result                    res, 
                                NPT_HttpRequest*              request, 
                                const NPT_HttpRequestContext& context, 
                                NPT_HttpResponse* response)
{
    NPT_COMPILER_UNUSED(request);
    NPT_COMPILER_UNUSED(context);

    if (NPT_FAILED(res)) {
        m_State = PLT_DOWNLOADER_ERROR;
        return res;
    }

    m_State = PLT_DOWNLOADER_DOWNLOADING;

    NPT_HttpEntity* entity;
    NPT_InputStreamReference body;
    if (!response || !(entity = response->GetEntity()) || 
        NPT_FAILED(entity->GetInputStream(body)) || body.IsNull()) {
        m_State = PLT_DOWNLOADER_ERROR;
        return NPT_FAILURE;
    }

    // Read body (no content length means until socket is closed)
    res = NPT_StreamToStreamCopy(*body.AsPointer(), 
        *m_Output.AsPointer(), 
        0, 
        entity->GetContentLength());

    if (NPT_FAILED(res)) {
        m_State = PLT_DOWNLOADER_ERROR;
        return res;
    }

    m_State = PLT_DOWNLOADER_SUCCESS;
    return NPT_SUCCESS;
}
Пример #17
0
/*----------------------------------------------------------------------
|   PLT_HttpServerSocketTask::SendResponseBody
+---------------------------------------------------------------------*/
NPT_Result
PLT_HttpServerSocketTask::SendResponseBody(NPT_HttpResponse* response,
                                           NPT_OutputStream& output_stream)
{
    NPT_HttpEntity* entity = response->GetEntity();
    if (!entity) return NPT_SUCCESS;

    NPT_InputStreamReference body_stream;
    entity->GetInputStream(body_stream);
    if (body_stream.IsNull()) return NPT_SUCCESS;

    // check for chunked transfer encoding
    NPT_OutputStream* dest = &output_stream;
    if (entity->GetTransferEncoding() == NPT_HTTP_TRANSFER_ENCODING_CHUNKED) {
        dest = new NPT_HttpChunkedOutputStream(output_stream);
    }

    // send body
    NPT_LOG_FINE_1("sending body stream, %lld bytes", entity->GetContentLength());
    NPT_LargeSize bytes_written = 0;
    NPT_Result result = NPT_StreamToStreamCopy(*body_stream, *dest, 0, entity->GetContentLength(), &bytes_written); /* passing 0 if content length is unknown will read until nothing is left */
    if (NPT_FAILED(result)) {
        NPT_LOG_FINE_3("body stream only partially sent, %lld bytes (%d:%s)",
                       bytes_written,
                       result,
                       NPT_ResultText(result));
    }

    // flush to write out any buffered data left in chunked output if used
    dest->Flush();

    // cleanup (this will send zero size chunk followed by CRLF)
    if (dest != &output_stream) delete dest;

    return result;
}
Пример #18
0
/*----------------------------------------------------------------------
|   PLT_HttpStreamRequestHandler::SetupResponse
+---------------------------------------------------------------------*/
NPT_Result
PLT_HttpStreamRequestHandler::SetupResponse(NPT_HttpRequest&              request, 
                                            const NPT_HttpRequestContext& context,
                                            NPT_HttpResponse&             response)
{
    PLT_LOG_HTTP_REQUEST(NPT_LOG_LEVEL_FINE, "PLT_HttpStreamRequestHandler::SetupResponse:", &request);

    if (request.GetMethod().Compare("GET") && 
        request.GetMethod().Compare("HEAD")) {
        return NPT_FAILURE;
    }

    NPT_Reference<PLT_FrameBuffer> buffer;
    if (!m_StreamValidator.OnNewRequestAccept(request, context, response, buffer)) {
        return NPT_ERROR_NO_SUCH_ITEM;
    }

    response.SetProtocol(NPT_HTTP_PROTOCOL_1_0);
    response.GetHeaders().SetHeader(NPT_HTTP_HEADER_CONNECTION, "close");
    response.GetHeaders().SetHeader("Cache-Control", "no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0");
    response.GetHeaders().SetHeader("Pragma", "no-cache");
    response.GetHeaders().SetHeader("Expires", "Tue, 4 Jan 2000 02:43:05 GMT");

    // HEAD request has no entity or if status code is not 2xx
    if (!request.GetMethod().Compare("HEAD") || response.GetStatusCode()/100 != 2) 
        return NPT_SUCCESS;
    
    NPT_HttpEntity* entity = response.GetEntity();
    NPT_CHECK_POINTER_FATAL(entity);
    entity->SetContentType("multipart/x-mixed-replace;boundary=" BOUNDARY);

    NPT_InputStreamReference body(new PLT_InputFrameStream(buffer, BOUNDARY));
    entity->SetInputStream(body, false);

    return NPT_SUCCESS;
}
Пример #19
0
/*----------------------------------------------------------------------
|   Test5
+---------------------------------------------------------------------*/
static bool
Test5(NPT_HttpUrl url)
{
    NPT_LOG_INFO("########### TEST 5 ######################");
    
    NPT_HttpClient client;
    
    // first request
    NPT_HttpRequest request(url, NPT_HTTP_METHOD_POST, NPT_HTTP_PROTOCOL_1_1);
    NPT_HttpEntity* request_entity = new NPT_HttpEntity();
    request_entity->SetInputStream("Testing");
    request.SetEntity(request_entity);
    
    NPT_HttpResponse* response = NULL;
    client.SendRequest(request, response);
    NPT_HttpEntity* entity = NULL;
    if (response && (entity = response->GetEntity())) {
        NPT_DataBuffer buffer;
        if (NPT_FAILED(entity->Load(buffer))) return false;
    }
    
    // try again
    delete response;
    response = NULL;
    request_entity = new NPT_HttpEntity();
    request_entity->SetInputStream("Testing2");
    request.SetEntity(request_entity);
    client.SendRequest(request, response);
    entity = NULL;
    if (response && (entity = response->GetEntity())) {
        NPT_DataBuffer buffer;
        if (NPT_FAILED(entity->Load(buffer))) return false;
    }
    
    return true;
}
Пример #20
0
/*----------------------------------------------------------------------
|   PLT_HttpServerSocketTask::RespondToClient
+---------------------------------------------------------------------*/
NPT_Result 
PLT_HttpServerSocketTask::RespondToClient(NPT_HttpRequest&              request, 
                                          const NPT_HttpRequestContext& context,
                                          NPT_HttpResponse*&            response)
{
    NPT_Result result   = NPT_ERROR_NO_SUCH_ITEM;
    
    // reset output params first
    response = NULL;
    
    // prepare the response body
    NPT_HttpEntity* body = new NPT_HttpEntity();
    response = new NPT_HttpResponse(200, "OK", NPT_HTTP_PROTOCOL_1_1);
    response->SetEntity(body);

    // ask to setup the response
    result = SetupResponse(request, context, *response);

    // handle result
    if (result == NPT_ERROR_NO_SUCH_ITEM) {
        body->SetInputStream(PLT_HTTP_DEFAULT_404_HTML);
        body->SetContentType("text/html");
        response->SetStatus(404, "Not Found");
    } else if (result == NPT_ERROR_PERMISSION_DENIED) {
        body->SetInputStream(PLT_HTTP_DEFAULT_403_HTML);
        body->SetContentType("text/html");
        response->SetStatus(403, "Forbidden");
    } else if (result == NPT_ERROR_TERMINATED) {
        // mark that we want to exit
        delete response;
        response = NULL;
    } else if (NPT_FAILED(result)) {
        body->SetInputStream(PLT_HTTP_DEFAULT_500_HTML);
        body->SetContentType("text/html");
        response->SetStatus(500, "Internal Error");
    }
    
    return NPT_SUCCESS;
}
Пример #21
0
/*----------------------------------------------------------------------
|    BtPlayerServer::SendControlForm
+---------------------------------------------------------------------*/
NPT_Result
BtPlayerServer::SendControlForm(NPT_HttpResponse& response, const char* msg)
{
    // create the html document
    NPT_String html = "<html>";
    
    // optional message
    if (msg && msg[0]) {
        html += "<";
        html += msg;
        html += "><p>";
    }
    
    // status
    html += "<p><b>State: </b>";
    switch (m_DecoderState) {
      case BLT_DecoderServer::STATE_STOPPED:
        html += "[STOPPED]";
        break;

      case BLT_DecoderServer::STATE_PLAYING:
        html += "[PLAYING]";
        break;

      case BLT_DecoderServer::STATE_PAUSED:
        html += "[PAUSED]";
        break;

      case BLT_DecoderServer::STATE_EOS:
        html += "[END OF STREAM]";
        break;

      default:
        html += "[UNKNOWN]";
        break;
    }
    html += "</p><p><b>Time Code: </b>";

    html += NPT_String::Format("\"%02d:%02d:%02d\"",
                               m_DecoderTimecode.h,
                               m_DecoderTimecode.m,
                               m_DecoderTimecode.s);
    html += "</p>";
    
    html += "<p>";
    html += "<b>Content Format: </b>";
    if (m_StreamInfo.data_type) {
        html += m_StreamInfo.data_type;
    }
    html += "<br>";
    
    
    // control form
    html += BT_CONTROL_FORM;
    html += "</html>";
    
    // send the html document
    NPT_HttpEntity* entity = response.GetEntity();
    entity->SetContentType("text/html");
    entity->SetInputStream(html);        

    return NPT_SUCCESS;
}
    NPT_Result SetupResponse(NPT_HttpRequest&              request, 
                             const NPT_HttpRequestContext& context,
                             NPT_HttpResponse&             response) {
        NPT_String msg = "<HTML>";
        msg += "PATH=";
        msg += request.GetUrl().GetPath();
        msg += "<P><B>Local Address:</B> ";
        msg += context.GetLocalAddress().ToString();
        msg += "<P>";
        msg += "<B>Remote Address:</B> ";
        msg += context.GetRemoteAddress().ToString();
        msg += "<P><UL>";
        if (request.GetUrl().HasQuery()) {
            NPT_UrlQuery query(request.GetUrl().GetQuery());
            for (NPT_List<NPT_UrlQuery::Field>::Iterator it = query.GetFields().GetFirstItem();
                 it;
                 ++it) {
                 NPT_UrlQuery::Field& field = *it;
                 msg += "<LI>";
                 msg += field.m_Name;
                 msg += " = ";
                 msg += field.m_Value;
                 msg += " </LI>";
                 
                 // check for a 'delay' field
                 if (field.m_Name == "delay") {
                    NPT_UInt32 delay = 0;
                    field.m_Value.ToInteger(delay);
                    NPT_Debug("DELAY: %d seconds\n", delay);
                    NPT_System::Sleep(NPT_TimeInterval((float)delay));
                 }
            }
        }
        msg += "</UL></HTML>";

        
        if (request.GetMethod() == NPT_HTTP_METHOD_POST) {
            NPT_DataBuffer request_body;
            request.GetEntity()->Load(request_body);
            NPT_Debug("REQUEST: body = %d bytes\n", request_body.GetDataSize());
            NPT_Debug("REQUEST: content type = %s\n", request.GetEntity()->GetContentType().GetChars());
            if (request.GetEntity()->GetContentType().StartsWith("text") ||
                request.GetEntity()->GetContentType() == "application/x-www-form-urlencoded") {
                NPT_String body_string;
                body_string.Assign((char*)request_body.GetData(), request_body.GetDataSize());
                NPT_Debug("%s", body_string.GetChars());
            }
        }

        NPT_HttpEntity* entity = response.GetEntity();
        entity->SetContentType("text/html");
        NPT_MemoryStreamReference memory_stream(
            new NPT_MemoryStream((const void*)msg.GetChars(), msg.GetLength()));
        entity->SetInputStream(memory_stream, !m_Chunked);
        
        if (m_Chunked) {
            entity->SetTransferEncoding(NPT_HTTP_TRANSFER_ENCODING_CHUNKED);
        }
        
        return NPT_SUCCESS;
    }
Пример #23
0
/*----------------------------------------------------------------------
|   PLT_HttpServer::ServeStream
+---------------------------------------------------------------------*/
NPT_Result 
PLT_HttpServer::ServeStream(const NPT_HttpRequest&        request, 
                            const NPT_HttpRequestContext& context,
                            NPT_HttpResponse&             response,
                            NPT_InputStreamReference&     body, 
                            const char*                   content_type) 
{    
    if (body.IsNull()) return NPT_FAILURE;
    
    // set date
    NPT_TimeStamp now;
    NPT_System::GetCurrentTimeStamp(now);
    response.GetHeaders().SetHeader("Date", NPT_DateTime(now).ToString(NPT_DateTime::FORMAT_RFC_1123), true);
    
    // get entity
    NPT_HttpEntity* entity = response.GetEntity();
    NPT_CHECK_POINTER_FATAL(entity);
    
    // set the content type
    entity->SetContentType(content_type);
    
    // check for range requests
    const NPT_String* range_spec = request.GetHeaders().GetHeaderValue(NPT_HTTP_HEADER_RANGE);
    
    // setup entity body
    NPT_CHECK(NPT_HttpFileRequestHandler::SetupResponseBody(response, body, range_spec));
              
    // set some default headers
    if (response.GetEntity()->GetTransferEncoding() != NPT_HTTP_TRANSFER_ENCODING_CHUNKED) {
        // set but don't replace Accept-Range header only if body is seekable
        NPT_Position offset;
        if (NPT_SUCCEEDED(body->Tell(offset)) && NPT_SUCCEEDED(body->Seek(offset))) {
            response.GetHeaders().SetHeader(NPT_HTTP_HEADER_ACCEPT_RANGES, "bytes", false); 
        }
    }
    
    // set getcontentFeatures.dlna.org
    const NPT_String* value = request.GetHeaders().GetHeaderValue("getcontentFeatures.dlna.org");
    if (value) {
        PLT_HttpRequestContext tmp_context(request, context);
        const char* dlna = PLT_ProtocolInfo::GetDlnaExtension(entity->GetContentType(),
                                                              &tmp_context);
        if (dlna) response.GetHeaders().SetHeader("ContentFeatures.DLNA.ORG", dlna, false);
    }
    
    // transferMode.dlna.org
    value = request.GetHeaders().GetHeaderValue("transferMode.dlna.org");
    if (value) {
        // Interactive mode not supported?
        /*if (value->Compare("Interactive", true) == 0) {
            response.SetStatus(406, "Not Acceptable");
            return NPT_SUCCESS;
        }*/
        
        response.GetHeaders().SetHeader("TransferMode.DLNA.ORG", value->GetChars(), false);
    } else {
        response.GetHeaders().SetHeader("TransferMode.DLNA.ORG", "Streaming", false);
    }
    
    if (request.GetHeaders().GetHeaderValue("TimeSeekRange.dlna.org")) {
        response.SetStatus(406, "Not Acceptable");
        return NPT_SUCCESS;
    }
    
    return NPT_SUCCESS;
}
Пример #24
0
/*----------------------------------------------------------------------
|       ShowResponse
+---------------------------------------------------------------------*/
static void
ShowResponse(NPT_HttpResponse* response, ShowMode mode)
{
    // show response info
    NPT_Debug("RESPONSE: protocol=%s, code=%d, reason=%s\n",
              response->GetProtocol().GetChars(),
              response->GetStatusCode(),
              response->GetReasonPhrase().GetChars());

    // show headers
    NPT_HttpHeaders& headers = response->GetHeaders();
    NPT_List<NPT_HttpHeader*>::Iterator header = headers.GetHeaders().GetFirstItem();
    while (header) {
        NPT_Debug("%s: %s\n", 
          (const char*)(*header)->GetName(),
                  (const char*)(*header)->GetValue());
        ++header;
    }

    // show entity
    NPT_HttpEntity* entity = response->GetEntity();
    if (entity != NULL) {
        NPT_Debug("ENTITY: length=%lld, type=%s, encoding=%s\n",
                  entity->GetContentLength(),
                  entity->GetContentType().GetChars(),
                  entity->GetContentEncoding().GetChars());

        switch (mode) {
            case SHOW_MODE_LOAD: {
                NPT_DataBuffer body;
                NPT_Result result =entity->Load(body);
                if (NPT_FAILED(result)) {
                    NPT_Debug("ERROR: failed to load entity (%d)\n", result);
                } else {
                    NPT_Debug("BODY: loaded %d bytes\n", (int)body.GetDataSize());

                    // dump the body
                    NPT_OutputStreamReference output;
                    NPT_File standard_out(NPT_FILE_STANDARD_OUTPUT);
                    standard_out.Open(NPT_FILE_OPEN_MODE_WRITE);
                    standard_out.GetOutputStream(output);
                    NPT_Debug("%s", (char *)body.GetData());
                    // ÔÝʱ²»Ö§³Ö
                    // output->Write(body.GetData(), body.GetDataSize());
                }
                break;
            }
            
            case SHOW_MODE_STREAM_BLOCKING: {
                NPT_DataBuffer buffer(4096);
                NPT_Result result;
                NPT_InputStreamReference input;
                entity->GetInputStream(input);
                do {
                    NPT_Size bytes_read = 0;
                    result = input->Read(buffer.UseData(), 4096, &bytes_read);
                    NPT_Debug("read %d bytes\n", bytes_read);
                } while (NPT_SUCCEEDED(result));
                break;
            }
        }
    }
}
Пример #25
0
/*----------------------------------------------------------------------
|    BtPlayerServer::SendStatus
+---------------------------------------------------------------------*/
NPT_Result
BtPlayerServer::SendStatus(NPT_HttpResponse& response, NPT_UrlQuery& query)
{
    NPT_String json;
    
    // json start
    const char* json_callback = query.GetField("callback");
    if (json_callback) {
        json += NPT_UrlQuery::UrlDecode(json_callback)+'(';
    }
    json += '{';
    
    // state
    json += "\"state\": ";
    switch (m_DecoderState) {
      case BLT_DecoderServer::STATE_STOPPED:
        json += "\"STOPPED\"";
        break;

      case BLT_DecoderServer::STATE_PLAYING:
        json += "\"PLAYING\"";
        break;

      case BLT_DecoderServer::STATE_PAUSED:
        json += "\"PAUSED\"";
        break;

      case BLT_DecoderServer::STATE_EOS:
        json += "\"END OF STREAM\"";
        break;

      default:
        json += "\"UNKNOWN\"";
        break;
    }
    json += ',';
    
    // timecode
    json += NPT_String::Format("\"timecode\": \"%02d:%02d:%02d\", ",
                               m_DecoderTimecode.h,
                               m_DecoderTimecode.m,
                               m_DecoderTimecode.s);
    
    // position
    json += NPT_String::Format("\"position\": %f, ", m_DecoderPosition);

    // stream info
    json += "\"streamInfo\": {";
    if (m_StreamInfo.mask & BLT_STREAM_INFO_MASK_NOMINAL_BITRATE) {
        json += NPT_String::Format("\"nominalBitrate\": %d, ", m_StreamInfo.nominal_bitrate);
    }
    if (m_StreamInfo.mask & BLT_STREAM_INFO_MASK_AVERAGE_BITRATE) {
        json += NPT_String::Format("\"averageBitrate\": %d, ", m_StreamInfo.average_bitrate);
    }
    if (m_StreamInfo.mask & BLT_STREAM_INFO_MASK_INSTANT_BITRATE) {
        json += NPT_String::Format("\"instantBitrate\": %d, ", m_StreamInfo.instant_bitrate);
    }
    if (m_StreamInfo.mask & BLT_STREAM_INFO_MASK_SIZE) {
        json += NPT_String::Format("\"size\": %d, ", m_StreamInfo.size);
    }
    if (m_StreamInfo.mask & BLT_STREAM_INFO_MASK_DURATION) {
        unsigned int seconds = m_StreamInfo.duration/1000;
        json += NPT_String::Format("\"duration\": \"%02d:%02d:%02d\", ", 
                                   (seconds)/36000,
                                   (seconds%3600)/60,
                                   (seconds%60));
    }
    if (m_StreamInfo.mask & BLT_STREAM_INFO_MASK_SAMPLE_RATE) {
        json += NPT_String::Format("\"sampleRate\": %d, ", m_StreamInfo.sample_rate);
    }
    if (m_StreamInfo.mask & BLT_STREAM_INFO_MASK_CHANNEL_COUNT) {
        json += NPT_String::Format("\"channelCount\": %d, ", m_StreamInfo.channel_count);
    }
    if (m_StreamInfo.mask & BLT_STREAM_INFO_MASK_DATA_TYPE) {
        json += NPT_String::Format("\"dataType\": \"%s\", ", m_StreamInfo.data_type);
    }
    json += "},";
    
    // stream properties
    
    // json end
    json += '}';
    if (json_callback) {
        json += ')';
    }
    
    // send the html document
    NPT_HttpEntity* entity = response.GetEntity();
    entity->SetContentType("application/json");
    entity->SetInputStream(json);        
    
    NPT_LOG_FINE_1("status: %s", json.GetChars());
    
    return NPT_SUCCESS;
}
Пример #26
0
/*----------------------------------------------------------------------
|   PLT_HttpServerSocketTask::SendResponseHeaders
+---------------------------------------------------------------------*/
NPT_Result
PLT_HttpServerSocketTask::SendResponseHeaders(NPT_HttpResponse* response,
                                              NPT_OutputStream& output_stream,
                                              bool&             keep_alive)
{
    // add any headers that may be missing
    NPT_HttpHeaders& headers = response->GetHeaders();

    // get the request entity to set additional headers
    NPT_InputStreamReference body_stream;
    NPT_HttpEntity* entity = response->GetEntity();
    if (entity && NPT_SUCCEEDED(entity->GetInputStream(body_stream))) {
        // set the content length if known
        if (entity->ContentLengthIsKnown()) {
            headers.SetHeader(NPT_HTTP_HEADER_CONTENT_LENGTH,
                              NPT_String::FromIntegerU(entity->GetContentLength()));
        }

        // content type
        NPT_String content_type = entity->GetContentType();
        if (!content_type.IsEmpty()) {
            headers.SetHeader(NPT_HTTP_HEADER_CONTENT_TYPE, content_type);
        }

        // content encoding
        NPT_String content_encoding = entity->GetContentEncoding();
        if (!content_encoding.IsEmpty()) {
            headers.SetHeader(NPT_HTTP_HEADER_CONTENT_ENCODING, content_encoding);
        }
        
        // transfer encoding
        const NPT_String& transfer_encoding = entity->GetTransferEncoding();
        if (!transfer_encoding.IsEmpty()) {
            headers.SetHeader(NPT_HTTP_HEADER_TRANSFER_ENCODING, transfer_encoding);
        }
        
    } else if (!headers.GetHeader(NPT_HTTP_HEADER_CONTENT_LENGTH)) {
        // force content length to 0 if there is no message body
		// (necessary for 1.1 or 1.0 with keep-alive connections)
        headers.SetHeader(NPT_HTTP_HEADER_CONTENT_LENGTH, "0");
    }

    const NPT_String* content_length  = headers.GetHeaderValue(NPT_HTTP_HEADER_CONTENT_LENGTH);
    const NPT_String* transfer_encoding  = headers.GetHeaderValue(NPT_HTTP_HEADER_TRANSFER_ENCODING);
    const NPT_String* connection_header  = headers.GetHeaderValue(NPT_HTTP_HEADER_CONNECTION);
    if (keep_alive) {
        if (connection_header && connection_header->Compare("close") == 0) {
            keep_alive = false;
        } else {
            // the request says client supports keep-alive
            // but override if response has content-length header or
            // transfer chunked encoding
            keep_alive = content_length ||
                (transfer_encoding && transfer_encoding->Compare(NPT_HTTP_TRANSFER_ENCODING_CHUNKED) == 0);
        }
    }

    // only write keep-alive header for 1.1 if it's close
    NPT_String protocol = response->GetProtocol();
    if (protocol.Compare(NPT_HTTP_PROTOCOL_1_0, true) == 0 || !keep_alive) {
        headers.SetHeader(NPT_HTTP_HEADER_CONNECTION, keep_alive?"keep-alive":"close", true);
    }
    headers.SetHeader(NPT_HTTP_HEADER_SERVER, PLT_HTTP_DEFAULT_SERVER, false); // set but don't replace

    PLT_LOG_HTTP_RESPONSE(NPT_LOG_LEVEL_FINE, "PLT_HttpServerSocketTask::Write", response);

    // create a memory stream to buffer the headers
    NPT_MemoryStream header_stream;
    response->Emit(header_stream);

    // send the headers
    NPT_CHECK_WARNING(output_stream.WriteFully(header_stream.GetData(), header_stream.GetDataSize()));

    return NPT_SUCCESS;
}
Пример #27
0
/*----------------------------------------------------------------------
|   PLT_EventSubscriber::Notify
+---------------------------------------------------------------------*/
NPT_Result
PLT_EventSubscriber::Notify(NPT_List<PLT_StateVariable*>& vars)
{
    // verify we have eventable variables
    bool foundVars = false;
    NPT_XmlElementNode* propertyset = 
        new NPT_XmlElementNode("e", "propertyset");
    NPT_CHECK_SEVERE(propertyset->SetNamespaceUri(
        "e", 
        "urn:schemas-upnp-org:event-1-0"));

    NPT_List<PLT_StateVariable*>::Iterator var = vars.GetFirstItem();
    while (var) {
        if ((*var)->IsSendingEvents()) {
            NPT_XmlElementNode* property = 
                new NPT_XmlElementNode("e", "property");
            propertyset->AddChild(property);
            PLT_XmlHelper::AddChildText(property, 
                                        (*var)->GetName(), 
                                        (*var)->GetValue());
            foundVars = true;
        }
        ++var;
    }

    // no eventable state variables found!
    if (foundVars == false) {
        delete propertyset;
        return NPT_FAILURE;
    }

    // format the body with the xml
    NPT_String xml;
    if (NPT_FAILED(PLT_XmlHelper::Serialize(*propertyset, xml))) {
        delete propertyset;
        NPT_CHECK_FATAL(NPT_FAILURE);
    }
    delete propertyset;

    // parse the callback url
    NPT_HttpUrl url(m_CallbackURLs[0]);
    if (!url.IsValid()) {
        NPT_CHECK_FATAL(NPT_FAILURE);
    }
    // format request
    NPT_HttpRequest* request = 
        new NPT_HttpRequest(url,
                            "NOTIFY",
                            NPT_HTTP_PROTOCOL_1_1);
    NPT_HttpEntity* entity;
    PLT_HttpHelper::SetBody(*request, xml, &entity);

    // add the extra headers
    entity->SetContentType("text/xml; charset=\"utf-8\"");
    PLT_UPnPMessageHelper::SetNT(*request, "upnp:event");
    PLT_UPnPMessageHelper::SetNTS(*request, "upnp:propchange");
    PLT_UPnPMessageHelper::SetSID(*request, m_SID);
    PLT_UPnPMessageHelper::SetSeq(*request, m_EventKey);

    // wrap around sequence to 1
    if (++m_EventKey == 0) m_EventKey = 1;

    // start the task now if not started already
    if (!m_SubscriberTask) {
        // TODO: the subscriber task should inform subscriber if
        // a notification failed to be received so it can be removed
        // from the list of subscribers inside the device host
        m_SubscriberTask = new PLT_HttpClientSocketTask(request, true);
        
        // short connection time out in case subscriber is not alive
        NPT_HttpClient::Config config;
        config.m_ConnectionTimeout = 2000;
        m_SubscriberTask->SetHttpClientConfig(config);
        
        // add initial delay to make sure ctrlpoint receives response to subscription
        // before our first NOTIFY. Also make sure task is not auto-destroy
        // since we want to destroy it manually when the subscriber goes away.
        NPT_TimeInterval delay(0.05f);
        NPT_CHECK_FATAL(m_TaskManager->StartTask(m_SubscriberTask, NULL /*&delay*/, false));
    } else {
        m_SubscriberTask->AddRequest(request);
    }
     
    return NPT_SUCCESS;
}
Пример #28
0
/*----------------------------------------------------------------------
|   PLT_HttpClient::SendRequest
+---------------------------------------------------------------------*/
NPT_Result
PLT_HttpClient::SendRequest(NPT_OutputStreamReference& output_stream, 
                            NPT_HttpRequest&           request, 
                            NPT_Timeout                timeout)
{
    NPT_COMPILER_UNUSED(timeout);

    // connect to the server
    NPT_LOG_FINE("Sending:");
    PLT_LOG_HTTP_MESSAGE(NPT_LOG_LEVEL_FINE, &request);

    // add any headers that may be missing
    NPT_HttpHeaders& headers = request.GetHeaders();
    //headers.SetHeader(NPT_HTTP_HEADER_CONNECTION, "close");
    if (!headers.GetHeader(NPT_HTTP_HEADER_USER_AGENT)) {
        headers.SetHeader(NPT_HTTP_HEADER_USER_AGENT, 
            "Platinum/" PLT_PLATINUM_VERSION_STRING);
    }

    // set host only if not already set
    if (!headers.GetHeader(NPT_HTTP_HEADER_HOST)) {
        NPT_String host = request.GetUrl().GetHost();
        if (request.GetUrl().GetPort() != NPT_HTTP_DEFAULT_PORT) {
            host += ":";
            host += NPT_String::FromInteger(request.GetUrl().GetPort());
        }
        headers.SetHeader(NPT_HTTP_HEADER_HOST, host);
    }

    // get the request entity to set additional headers
    NPT_InputStreamReference body_stream;
    NPT_HttpEntity* entity = request.GetEntity();
    if (entity && NPT_SUCCEEDED(entity->GetInputStream(body_stream))) {
        // content length
        headers.SetHeader(NPT_HTTP_HEADER_CONTENT_LENGTH, 
            NPT_String::FromInteger(entity->GetContentLength()));

        // content type
        NPT_String content_type = entity->GetContentType();
        if (!content_type.IsEmpty()) {
            headers.SetHeader(NPT_HTTP_HEADER_CONTENT_TYPE, content_type);
        }

        // content encoding
        NPT_String content_encoding = entity->GetContentEncoding();
        if (!content_encoding.IsEmpty()) {
            headers.SetHeader(NPT_HTTP_HEADER_CONTENT_ENCODING, content_encoding);
        }
    } else {
        // force content length to 0 is there is no message body
        headers.SetHeader(NPT_HTTP_HEADER_CONTENT_LENGTH, "0");
    }

    // create a memory stream to buffer the headers
    NPT_MemoryStream header_stream;

    // emit the request headers into the header buffer
    request.Emit(header_stream);

    // send the headers
    NPT_CHECK_SEVERE(output_stream->WriteFully(header_stream.GetData(), header_stream.GetDataSize()));

    // send request body
    if (!body_stream.IsNull() && entity->GetContentLength()) {
        NPT_CHECK_SEVERE(NPT_StreamToStreamCopy(*body_stream.AsPointer(), *output_stream.AsPointer()));
    }

    // flush the output stream so that everything is sent to the server
    output_stream->Flush();

    return NPT_SUCCESS;
}
Пример #29
0
/*----------------------------------------------------------------------
|    BtPlayerServer::SetupResponse
+---------------------------------------------------------------------*/
NPT_Result 
BtPlayerServer::SetupResponse(NPT_HttpRequest&              request,
                              const NPT_HttpRequestContext& /*context*/,
                              NPT_HttpResponse&             response)
{
    const NPT_Url&    url  = request.GetUrl();
    const NPT_String& path = url.GetPath();
    NPT_UrlQuery      query;
    
    // parse the query part, if any
    if (url.HasQuery()) {
        query.Parse(url.GetQuery());
    }
    
    // lock the player 
    NPT_AutoLock lock(m_Lock);
    
    // handle form requests
    if (path == "/") {
        response.GetHeaders().SetHeader("Location", "/control/ajax");
        response.SetStatus(301, "Moved Permanently");
        return BLT_SUCCESS;
    }

    // handle form requests
    if (path == "/control/form") {
        return SendControlForm(response, NULL);
    }
    
    // handle status requests
    if (path == "/player/status") {
        return SendStatus(response, query);
    }
    
    // handle commands
    const char* mode_field = query.GetField("mode");
    const char* form_msg = "OK";
    bool use_form = false;
    if (mode_field && NPT_StringsEqual(mode_field, "form")) {
        use_form = true;
    }
    if (path == "/player/set-input") {
        const char* name_field = query.GetField("name");
        if (name_field) {
            NPT_String name = NPT_UrlQuery::UrlDecode(name_field);
            m_Player.SetInput(name);
        } else {
            form_msg = "INVALID PARAMETERS";
        }
    } else if (path == "/player/set-output") {
        const char* name_field = query.GetField("name");
        if (name_field) {
            NPT_String name = NPT_UrlQuery::UrlDecode(name_field);
            m_Player.SetOutput(name);
        } else {
            form_msg = "INVALID PARAMETERS";
        }
    } else if (path == "/player/play") {
        m_Player.Play();
    } else if (path == "/player/pause") {
        m_Player.Pause();
    } else if (path == "/player/stop") {
        m_Player.Stop();
    } else if (path == "/player/seek") {
        const char* timecode_field = query.GetField("timecode");
        const char* position_field = query.GetField("position");
        if (timecode_field) {
            NPT_String timecode = NPT_UrlQuery::UrlDecode(timecode_field);
            DoSeekToTimecode(timecode);
        } else if (position_field) {
            unsigned int position;
            if (NPT_SUCCEEDED(NPT_ParseInteger(position_field, position))) {
                m_Player.SeekToPosition(position, 100);
            }
        } else {
            form_msg = "INVALID PARAMETER";
        }
    } else if (path == "/player/set-volume") {
        const char* volume_field = query.GetField("volume");
        if (volume_field) {
            unsigned int volume;
            if (NPT_SUCCEEDED(NPT_ParseInteger(volume_field, volume))) {
                m_Player.SetVolume((float)volume/100.0f);
            }
        } else {
            form_msg = "INVALID PARAMETER";
        }
    }
    
    if (use_form) {
        return SendControlForm(response, form_msg);
    } else {
        NPT_HttpEntity* entity = response.GetEntity();
        entity->SetContentType("application/json");
        entity->SetInputStream("{}");
        return NPT_SUCCESS;
    }

    printf("BtPlayerServer::SetupResponse - command not found\n");
    
    response.SetStatus(404, "Command Not Found");
    return NPT_SUCCESS;
}