vcl/workben/svpclient.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/main.h>
  21 #include <sal/log.hxx>
  22
  23 #include <cppuhelper/bootstrap.hxx>
  24 #include <comphelper/processfactory.hxx>
  25
  26 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  27 #include <com/sun/star/uno/XComponentContext.hpp>
  28
  29 #include <vcl/event.hxx>
  30 #include <vcl/svapp.hxx>
  31 #include <vcl/wrkwin.hxx>
  32 #include <vcl/toolkit/button.hxx>
  33 #include <vcl/toolkit/fixed.hxx>
  34 #include <vcl/toolkit/lstbox.hxx>
  35 #include <vcl/bitmapex.hxx>
  36 #include <vcl/graphicfilter.hxx>
  37 #include <vcl/graph.hxx>
  38 #include <comphelper/diagnose_ex.hxx>
  39 #include <tools/extendapplicationenvironment.hxx>
  40 #include <tools/stream.hxx>
  41
  42 #include <rtl/strbuf.hxx>
  43 #include <rtl/ustrbuf.hxx>
  44 #include <o3tl/string_view.hxx>
  45
  46 #include <math.h>
  47
  48 #include <errno.h>
  49 #include <string.h>
  50 #include <unistd.h>
  51 #include <sys/types.h>
  52 #include <sys/socket.h>
  53 #include <netinet/in.h>
  54
  55 using namespace ::com::sun::star::uno;
  56 using namespace ::com::sun::star::lang;
  57 using namespace cppu;
  58
  59 // Forward declaration
  60 static void Main();
  61
  62 SAL_IMPLEMENT_MAIN()
  63 {
  64     try
  65     {
  66         tools::extendApplicationEnvironment();
  67
  68         // create the global service-manager
  69         Reference< XComponentContext > xContext = defaultBootstrap_InitialComponentContext();
  70         Reference< XMultiServiceFactory > xServiceManager( xContext->getServiceManager(), UNO_QUERY );
  71
  72         if( !xServiceManager.is() )
  73             Application::Abort( "Failed to bootstrap" );
  74
  75         comphelper::setProcessServiceFactory( xServiceManager );
  76
  77         InitVCL();
  78         ::Main();
  79         DeInitVCL();
  80     }
  81     catch (const Exception&)
  82     {
  83         TOOLS_WARN_EXCEPTION("vcl", "Fatal");
  84         return 1;
  85     }
  86     catch (const std::exception& e)
  87     {
  88         SAL_WARN("vcl", "Fatal: " << e.what());
  89         return 1;
  90     }
  91
  92     return 0;
  93 }
  94
  95 namespace {
  96
  97 class MyWin : public WorkWindow
  98 {
  99     VclPtr<PushButton>   m_aListButton;
 100     VclPtr<ListBox>      m_aSvpBitmaps;
 101     VclPtr<FixedImage> m_aImage;
 102     VclPtr<PushButton>   m_aQuitButton;
 103 public:
 104                  MyWin( vcl::Window* pParent, WinBits nWinStyle );
 105
 106     virtual bool Close() override;
 107     virtual ~MyWin() override { disposeOnce(); }
 108     virtual void dispose() override;
 109
 110     void parseList( std::string_view rList );
 111     static OString processCommand( const OString& rCommand );
 112
 113     DECL_LINK( ListHdl, Button*, void );
 114     DECL_LINK( SelectHdl, ListBox&, void );
 115     DECL_STATIC_LINK( MyWin, QuitHdl, Button*, void );
 116 };
 117
 118 }
 119
 120 void Main()
 121 {
 122     ScopedVclPtrInstance< MyWin > aMainWin( nullptr, WB_STDWORK );
 123     aMainWin->SetText( "SvpClient" );
 124     aMainWin->Show();
 125
 126     Application::Execute();
 127 }
 128
 129 MyWin::MyWin( vcl::Window* pParent, WinBits nWinStyle ) :
 130     WorkWindow( pParent, nWinStyle ),
 131     m_aListButton(VclPtr<PushButton>::Create(this, 0)),
 132     m_aSvpBitmaps(VclPtr<ListBox>::Create(this, WB_BORDER)),
 133     m_aImage(VclPtr<FixedImage>::Create(this, WB_BORDER)),
 134     m_aQuitButton(VclPtr<PushButton>::Create(this, 0))
 135 {
 136     m_aListButton->SetPosSizePixel( Point( 10, 10 ), Size( 120, 25 ) );
 137     m_aListButton->SetText( "List Elements" );
 138     m_aListButton->SetClickHdl( LINK( this, MyWin, ListHdl ) );
 139     m_aListButton->Show();
 140
 141     m_aSvpBitmaps->SetPosSizePixel( Point( 10, 40 ), Size( 150, 150 ) );
 142     m_aSvpBitmaps->SetSelectHdl( LINK( this, MyWin, SelectHdl ) );
 143     m_aSvpBitmaps->Show();
 144
 145     m_aImage->SetPosSizePixel( Point( 170, 10 ), Size( 400, 400 ) );
 146     m_aImage->Show();
 147
 148     m_aQuitButton->SetPosSizePixel( Point( 10, 300 ), Size( 120,25 ) );
 149     m_aQuitButton->SetText( "Quit SVP server" );
 150     m_aQuitButton->SetClickHdl( LINK( this, MyWin, QuitHdl ) );
 151     m_aQuitButton->Show();
 152 }
 153
 154 bool MyWin::Close()
 155 {
 156     bool bRet = WorkWindow::Close();
 157     if( bRet )
 158         Application::Quit();
 159     return bRet;
 160 }
 161
 162 void MyWin::dispose()
 163 {
 164     m_aListButton.disposeAndClear();
 165     m_aSvpBitmaps.disposeAndClear();
 166     m_aImage.disposeAndClear();
 167     m_aQuitButton.disposeAndClear();
 168     WorkWindow::dispose();
 169 }
 170
 171 void MyWin::parseList( std::string_view rList )
 172 {
 173     sal_Int32 nTokenPos = 0;
 174     OUString aElementType;
 175     m_aSvpBitmaps->Clear();
 176     while( nTokenPos >= 0 )
 177     {
 178         std::string_view aLine = o3tl::getToken(rList, 0, '\n', nTokenPos );
 179         if( aLine.empty() || aLine[0] == '#' )
 180             continue;
 181
 182         if( o3tl::starts_with(aLine, "ElementType: " ) )
 183             aElementType = OStringToOUString( aLine.substr( 13 ), RTL_TEXTENCODING_ASCII_US );
 184         else
 185         {
 186             OUString aNewElement =
 187                 aElementType + ": " +
 188                 OStringToOUString( aLine, RTL_TEXTENCODING_ASCII_US );
 189             m_aSvpBitmaps->InsertEntry( aNewElement );
 190         }
 191     }
 192 }
 193
 194 OString MyWin::processCommand( const OString& rCommand )
 195 {
 196     static const char* pEnv = getenv("SVP_LISTENER_PORT");
 197     OStringBuffer aAnswer;
 198     int nPort = (pEnv && *pEnv) ? atoi(pEnv) : 8000;
 199     int nSocket = socket( PF_INET, SOCK_STREAM, 0 );
 200     if( nSocket >= 0)
 201     {
 202         struct sockaddr_in addr;
 203         memset(&addr, 0, sizeof(struct sockaddr_in));
 204         addr.sin_family = AF_INET;
 205         addr.sin_port = htons(nPort);
 206         addr.sin_addr.s_addr = INADDR_ANY;
 207         if( connect( nSocket, reinterpret_cast<sockaddr*>(&addr), sizeof(addr) ) )
 208         {
 209             perror( "SvpElementContainer: connect() failed" );
 210         }
 211         else
 212         {
 213             ssize_t nBytes = 0;
 214             ssize_t fd = write( nSocket, rCommand.getStr(), rCommand.getLength() );
 215
 216             if (fd == 0)
 217                 SAL_WARN("vcl", "Connection closed on other end");
 218             else if (fd < 0)
 219                 SAL_WARN("vcl", "Error writing to socket: " << strerror( errno ));
 220
 221             fd = write( nSocket, "\n", 1 );
 222
 223             if (fd == 0)
 224                 SAL_WARN("vcl", "Connection closed on other end");
 225             else if (fd < 0)
 226                 SAL_WARN("vcl", "Error writing to socket: " << strerror( errno ));
 227
 228
 229             char buf[256];
 230             do
 231             {
 232                 nBytes = read( nSocket, buf, sizeof(buf) );
 233                 aAnswer.append( buf, nBytes );
 234             } while( nBytes == sizeof( buf ) );
 235         }
 236         close(nSocket);
 237     }
 238     else
 239         perror( "SvpElementContainer: socket() failed\n" );
 240     return aAnswer.makeStringAndClear();
 241 }
 242
 243 IMPL_LINK_NOARG( MyWin, ListHdl, Button*, void)
 244 {
 245     parseList( processCommand( "list" ) );
 246 }
 247
 248 IMPL_STATIC_LINK_NOARG( MyWin, QuitHdl, Button*, void)
 249 {
 250     processCommand( "quit" );
 251 }
 252
 253 IMPL_LINK_NOARG( MyWin, SelectHdl, ListBox&, void)
 254 {
 255     OUString aEntry = m_aSvpBitmaps->GetSelectedEntry();
 256     sal_Int32 nPos = aEntry.indexOf( ": " );
 257     if( nPos == -1 )
 258         return;
 259
 260     OString aCommand =
 261         "get " +
 262         OUStringToOString( aEntry.subView( nPos+2 ), RTL_TEXTENCODING_ASCII_US );
 263     OString aAnswer( processCommand( aCommand ) );
 264     SvMemoryStream aStream( aAnswer.getLength() );
 265     aStream.WriteBytes( aAnswer.getStr(), aAnswer.getLength() );
 266     aStream.Seek( STREAM_SEEK_TO_BEGIN );
 267
 268     Graphic aGraphicResult;
 269     GraphicFilter &rFilter = GraphicFilter::GetGraphicFilter();
 270     rFilter.ImportGraphic( aGraphicResult, u"import", aStream );
 271
 272     BitmapEx aBitmap = aGraphicResult.GetBitmapEx();
 273
 274     SAL_INFO("vcl", "got bitmap of size " << aBitmap.GetSizePixel().Width() << "x" << aBitmap.GetSizePixel().Height());
 275     Size aFixedSize( aBitmap.GetSizePixel() );
 276     aFixedSize.AdjustWidth(10 );
 277     aFixedSize.AdjustHeight(10 );
 278     m_aImage->SetSizePixel( aFixedSize );
 279     m_aImage->SetImage( Image( aBitmap ) );
 280
 281 }
 282
 283
 284 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */