io/source/connector/connector.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 <osl/security.hxx>
  21 #include <sal/log.hxx>
  22
  23 #include <cppuhelper/implbase.hxx>
  24 #include <cppuhelper/supportsservice.hxx>
  25 #include <cppuhelper/unourl.hxx>
  26 #include <rtl/malformeduriexception.hxx>
  27 #include <rtl/ref.hxx>
  28 #include <o3tl/string_view.hxx>
  29
  30 #include <com/sun/star/lang/XServiceInfo.hpp>
  31 #include <com/sun/star/connection/ConnectionSetupException.hpp>
  32 #include <com/sun/star/connection/NoConnectException.hpp>
  33 #include <com/sun/star/connection/XConnector.hpp>
  34 #include <com/sun/star/uno/XComponentContext.hpp>
  35
  36 #include "connector.hxx"
  37
  38 using namespace ::osl;
  39 using namespace ::cppu;
  40 using namespace ::com::sun::star::uno;
  41 using namespace ::com::sun::star::lang;
  42 using namespace ::com::sun::star::connection;
  43
  44 namespace {
  45
  46     class OConnector : public WeakImplHelper< XConnector, XServiceInfo >
  47     {
  48         Reference< XMultiComponentFactory > _xSMgr;
  49         Reference< XComponentContext > _xCtx;
  50     public:
  51         explicit OConnector(const Reference< XComponentContext > &xCtx);
  52
  53         // Methods
  54         virtual Reference< XConnection > SAL_CALL connect(
  55             const OUString& sConnectionDescription ) override;
  56
  57     public: // XServiceInfo
  58                 virtual OUString              SAL_CALL getImplementationName() override;
  59                 virtual Sequence< OUString >  SAL_CALL getSupportedServiceNames() override;
  60                 virtual sal_Bool              SAL_CALL supportsService(const OUString& ServiceName) override;
  61     };
  62
  63 }
  64
  65 OConnector::OConnector(const Reference< XComponentContext > &xCtx)
  66     : _xSMgr( xCtx->getServiceManager() )
  67     , _xCtx( xCtx )
  68 {}
  69
  70 Reference< XConnection > SAL_CALL OConnector::connect( const OUString& sConnectionDescription )
  71 {
  72     // split string into tokens
  73     try
  74     {
  75         cppu::UnoUrlDescriptor aDesc(sConnectionDescription);
  76
  77         Reference< XConnection > r;
  78         if ( aDesc.getName() == "pipe" )
  79         {
  80             OUString aName(aDesc.getParameter("name"));
  81
  82             rtl::Reference<stoc_connector::PipeConnection> pConn(new stoc_connector::PipeConnection( sConnectionDescription ));
  83
  84             if( pConn->m_pipe.create( aName.pData, osl_Pipe_OPEN, osl::Security() ) )
  85             {
  86                 r = pConn;
  87             }
  88             else
  89             {
  90                 OUString const sMessage(
  91                     "Connector : couldn't connect to pipe \"" + aName + "\": "
  92                     + OUString::number(pConn->m_pipe.getError()));
  93                 SAL_WARN("io.connector", sMessage);
  94                 throw NoConnectException( sMessage );
  95             }
  96         }
  97         else if ( aDesc.getName() == "socket" )
  98         {
  99             OUString aHost;
 100             if (aDesc.hasParameter("host"))
 101                 aHost = aDesc.getParameter("host");
 102             else
 103                 aHost = "localhost";
 104             sal_uInt16 nPort = static_cast< sal_uInt16 >(
 105                 aDesc.getParameter("port").
 106                 toInt32());
 107             bool bTcpNoDelay
 108                 = aDesc.getParameter("tcpnodelay").toInt32() != 0;
 109
 110             rtl::Reference<stoc_connector::SocketConnection> pConn(new stoc_connector::SocketConnection( sConnectionDescription));
 111
 112             SocketAddr AddrTarget( aHost.pData, nPort );
 113             if(pConn->m_socket.connect(AddrTarget) != osl_Socket_Ok)
 114             {
 115                 OUString sMessage("Connector : couldn't connect to socket (");
 116                 OUString sError = pConn->m_socket.getErrorAsString();
 117                 sMessage += sError + ")";
 118                 throw NoConnectException( sMessage );
 119             }
 120             // we enable tcpNoDelay for loopback connections because
 121             // it can make a significant speed difference on linux boxes.
 122             if( bTcpNoDelay || aHost == "localhost" || aHost.startsWith("127.0.0.") )
 123             {
 124                 sal_Int32 nTcpNoDelay = sal_Int32(true);
 125                 pConn->m_socket.setOption( osl_Socket_OptionTcpNoDelay , &nTcpNoDelay,
 126                                            sizeof( nTcpNoDelay ) , osl_Socket_LevelTcp );
 127             }
 128             pConn->completeConnectionString();
 129             r = pConn;
 130         }
 131         else
 132         {
 133             OUString delegatee= "com.sun.star.connection.Connector." + aDesc.getName();
 134
 135             Reference<XConnector> xConnector(
 136                 _xSMgr->createInstanceWithContext(delegatee, _xCtx), UNO_QUERY );
 137
 138             if(!xConnector.is())
 139                 throw ConnectionSetupException("Connector: unknown delegatee " + delegatee);
 140
 141             sal_Int32 index = sConnectionDescription.indexOf(',');
 142
 143             r = xConnector->connect(OUString(o3tl::trim(sConnectionDescription.subView(index + 1))));
 144         }
 145         return r;
 146     }
 147     catch (const rtl::MalformedUriException & rEx)
 148     {
 149         throw ConnectionSetupException(rEx.getMessage());
 150     }
 151 }
 152
 153 OUString OConnector::getImplementationName()
 154 {
 155     return "com.sun.star.comp.io.Connector";
 156 }
 157
 158 sal_Bool OConnector::supportsService(const OUString& ServiceName)
 159 {
 160     return cppu::supportsService(this, ServiceName);
 161 }
 162
 163 Sequence< OUString > OConnector::getSupportedServiceNames()
 164 {
 165     return { "com.sun.star.connection.Connector" };
 166 }
 167
 168 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
 169 io_OConnector_get_implementation(
 170     css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
 171 {
 172     return cppu::acquire(new OConnector(context));
 173 }
 174
 175
 176
 177
 178 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */