1e0f0a90e0
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47764 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
422 lines
12 KiB
C++
422 lines
12 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: server.cpp
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// Purpose: IPC sample: server
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// Author: Julian Smart
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// Modified by: Jurgen Doornik
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// Created: 25/01/99
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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// Settings common to both executables: determines whether
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// we're using TCP/IP or real DDE.
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#include "ipcsetup.h"
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#if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
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#include "mondrian.xpm"
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#endif
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#include "server.h"
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#include "wx/textdlg.h"
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#include "wx/datetime.h"
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// ----------------------------------------------------------------------------
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// wxWin macros
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// ----------------------------------------------------------------------------
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IMPLEMENT_APP(MyApp)
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BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU (wxID_EXIT, MyFrame::OnExit)
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EVT_CLOSE( MyFrame::OnClose )
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EVT_BUTTON( ID_START, MyFrame::OnStart )
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EVT_CHOICE( ID_SERVERNAME, MyFrame::OnServerName )
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EVT_BUTTON( ID_DISCONNECT, MyFrame::OnDisconnect )
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EVT_BUTTON( ID_ADVISE, MyFrame::OnAdvise )
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END_EVENT_TABLE()
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// MyApp
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// ----------------------------------------------------------------------------
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bool MyApp::OnInit()
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{
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if ( !wxApp::OnInit() )
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return false;
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// Create the main frame window
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m_frame = new MyFrame(NULL, _T("Server"));
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m_frame->Show(true);
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return true;
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}
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int MyApp::OnExit()
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{
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return 0;
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}
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// ----------------------------------------------------------------------------
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// MyFrame
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// ----------------------------------------------------------------------------
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// Define my frame constructor
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MyFrame::MyFrame(wxFrame *frame, const wxString& title)
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: wxFrame(frame, wxID_ANY, title, wxDefaultPosition, wxSize(400, 300))
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{
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#if wxUSE_STATUSBAR
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CreateStatusBar();
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#endif // wxUSE_STATUSBAR
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// Give it an icon
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SetIcon(wxICON(mondrian));
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// Make a menubar
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wxMenu *file_menu = new wxMenu;
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file_menu->Append(wxID_EXIT, _T("&Quit\tCtrl-Q"));
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wxMenuBar *menu_bar = new wxMenuBar;
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menu_bar->Append(file_menu, _T("&File"));
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// Associate the menu bar with the frame
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SetMenuBar(menu_bar);
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// set a dialog background
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SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
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// add the controls to the frame
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wxBoxSizer *item0 = new wxBoxSizer( wxVERTICAL );
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wxBoxSizer *item1 = new wxBoxSizer( wxHORIZONTAL );
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wxFlexGridSizer *item2 = new wxFlexGridSizer( 2, 0, 0 );
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item2->AddGrowableCol( 1 );
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wxButton *item3 = new wxButton( this, ID_START, wxT("Start Server"), wxDefaultPosition, wxDefaultSize, 0 );
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item2->Add( item3, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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wxString strs4[] =
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{
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IPC_SERVICE, _T("...")
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};
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wxChoice *item4 = new wxChoice( this, ID_SERVERNAME, wxDefaultPosition, wxSize(100,-1), 2, strs4, 0 );
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item2->Add( item4, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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wxButton *item5 = new wxButton( this, ID_DISCONNECT, wxT("Disconnect Client"), wxDefaultPosition, wxDefaultSize, 0 );
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item2->Add( item5, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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wxButton *item6 = new wxButton( this, ID_ADVISE, wxT("Advise"), wxDefaultPosition, wxDefaultSize, 0 );
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item2->Add( item6, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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item1->Add( item2, 1, wxALIGN_CENTER|wxALL, 5 );
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item0->Add( item1, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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wxStaticBox *item8 = new wxStaticBox( this, -1, wxT("Server log") );
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wxStaticBoxSizer *item7 = new wxStaticBoxSizer( item8, wxVERTICAL );
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wxTextCtrl *item9 = new wxTextCtrl( this, ID_LOG, wxT(""), wxDefaultPosition, wxSize(500,140), wxTE_MULTILINE );
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item7->Add( item9, 1, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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item0->Add( item7, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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SetSizer( item0 );
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item0->SetSizeHints( this );
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// status
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m_server = NULL;
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GetServername()->SetSelection(0);
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wxLogTextCtrl *logWindow = new wxLogTextCtrl(GetLog());
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delete wxLog::SetActiveTarget(logWindow);
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wxLogMessage(_T("Click on Start to start the server"));
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Enable();
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}
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void MyFrame::Enable()
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{
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GetStart()->Enable(m_server == NULL);
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GetServername()->Enable(m_server == NULL);
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GetAdvise()->Enable(m_server && m_server->CanAdvise());
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GetDisconnect()->Enable(m_server && m_server->IsConnected());
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}
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void MyFrame::OnClose(wxCloseEvent& event)
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{
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if (m_server)
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{
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delete m_server;
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m_server = NULL;
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}
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event.Skip();
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}
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void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
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{
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Close(true);
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}
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void MyFrame::OnStart(wxCommandEvent& WXUNUSED(event))
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{
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// Create a new server
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m_server = new MyServer;
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wxString servername = GetServername()->GetStringSelection();
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if (m_server->Create(servername))
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{
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wxLogMessage(_T("Server %s started"), servername.c_str());
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#if wxUSE_DDE_FOR_IPC
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wxLogMessage(_T("Server uses DDE"));
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#else // !wxUSE_DDE_FOR_IPC
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wxLogMessage(_T("Server uses TCP"));
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#endif // wxUSE_DDE_FOR_IPC/!wxUSE_DDE_FOR_IPC
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}
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else
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{
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wxLogMessage(_T("Server %s failed to start"), servername.c_str());
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delete m_server;
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m_server = NULL;
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}
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Enable();
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}
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void MyFrame::OnServerName( wxCommandEvent& WXUNUSED(event) )
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{
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if (GetServername()->GetStringSelection() == _T("..."))
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{
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wxString s = wxGetTextFromUser(_T("Specify the name of the server"),
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_T("Server Name"), _(""), this);
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if (!s.IsEmpty() && s != IPC_SERVICE)
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{
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GetServername()->Insert(s, 0);
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GetServername()->SetSelection(0);
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}
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}
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}
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void MyFrame::Disconnect()
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{
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m_server->Disconnect();
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Enable();
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}
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void MyFrame::OnDisconnect(wxCommandEvent& WXUNUSED(event))
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{
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Disconnect();
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}
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void MyFrame::OnAdvise(wxCommandEvent& WXUNUSED(event))
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{
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m_server->Advise();
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}
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// ----------------------------------------------------------------------------
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// MyServer
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// ----------------------------------------------------------------------------
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MyServer::MyServer() : wxServer()
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{
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m_connection = NULL;
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}
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MyServer::~MyServer()
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{
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Disconnect();
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}
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wxConnectionBase *MyServer::OnAcceptConnection(const wxString& topic)
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{
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wxLogMessage(_T("OnAcceptConnection(\"%s\")"), topic.c_str());
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if ( topic == IPC_TOPIC )
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{
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m_connection = new MyConnection();
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wxGetApp().GetFrame()->Enable();
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wxLogMessage(_T("Connection accepted"));
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return m_connection;
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}
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// unknown topic
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return NULL;
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}
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void MyServer::Disconnect()
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{
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if (m_connection)
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{
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m_connection->Disconnect();
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delete m_connection;
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m_connection = NULL;
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wxGetApp().GetFrame()->Enable();
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wxLogMessage(_T("Disconnected client"));
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}
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}
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void MyServer::Advise()
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{
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if (CanAdvise())
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{
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wxString s = wxDateTime::Now().Format();
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m_connection->Advise(m_connection->m_sAdvise, s.c_str());
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s = wxDateTime::Now().FormatTime() + _T(" ") + wxDateTime::Now().FormatDate();
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m_connection->Advise(m_connection->m_sAdvise, s.c_str(), (s.Length() + 1) * sizeof(wxChar));
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#if wxUSE_DDE_FOR_IPC
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wxLogMessage(_T("DDE Advise type argument cannot be wxIPC_PRIVATE. The client will receive it as wxIPC_TEXT, and receive the correct no of bytes, but not print a correct log entry."));
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#endif
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char bytes[3];
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bytes[0] = '1'; bytes[1] = '2'; bytes[2] = '3';
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m_connection->Advise(m_connection->m_sAdvise, (wxChar *)bytes, 3, wxIPC_PRIVATE);
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// this works, but the log treats it as a string now
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// m_connection->Advise(m_connection->m_sAdvise, (wxChar *)bytes, 3, wxIPC_TEXT );
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}
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}
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// ----------------------------------------------------------------------------
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// MyConnection
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// ----------------------------------------------------------------------------
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MyConnection::MyConnection()
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: wxConnection()
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{
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}
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MyConnection::~MyConnection()
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{
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}
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bool MyConnection::OnExecute(const wxString& topic,
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wxChar *data, int size, wxIPCFormat format)
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{
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Log(_T("OnExecute"), topic, _T(""), data, size, format);
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return true;
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}
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bool MyConnection::OnPoke(const wxString& topic,
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const wxString& item, wxChar *data, int size, wxIPCFormat format)
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{
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Log(_T("OnPoke"), topic, item, data, size, format);
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return wxConnection::OnPoke(topic, item, data, size, format);
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}
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const wxChar *MyConnection::OnRequest(const wxString& topic,
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const wxString& item, int * size, wxIPCFormat format)
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{
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const wxChar *data;
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if (item == _T("Date"))
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{
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m_sRequestDate = wxDateTime::Now().Format();
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data = m_sRequestDate.c_str();
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*size = -1;
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}
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else if (item == _T("Date+len"))
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{
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m_sRequestDate = wxDateTime::Now().FormatTime() + _T(" ") + wxDateTime::Now().FormatDate();
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data = m_sRequestDate.c_str();
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*size = (m_sRequestDate.Length() + 1) * sizeof(wxChar);
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}
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else if (item == _T("bytes[3]"))
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{
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data = m_achRequestBytes;
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m_achRequestBytes[0] = '1'; m_achRequestBytes[1] = '2'; m_achRequestBytes[2] = '3';
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*size = 3;
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}
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else
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{
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data = NULL;
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*size = 0;
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}
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Log(_T("OnRequest"), topic, item, data, *size, format);
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return data;
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}
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bool MyConnection::OnStartAdvise(const wxString& topic,
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const wxString& item)
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{
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wxLogMessage(_T("OnStartAdvise(\"%s\",\"%s\")"), topic.c_str(), item.c_str());
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wxLogMessage(_T("Returning true"));
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m_sAdvise = item;
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wxGetApp().GetFrame()->Enable();
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return true;
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}
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bool MyConnection::OnStopAdvise(const wxString& topic,
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const wxString& item)
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{
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wxLogMessage(_T("OnStopAdvise(\"%s\",\"%s\")"), topic.c_str(), item.c_str());
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wxLogMessage(_T("Returning true"));
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m_sAdvise.Empty();
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wxGetApp().GetFrame()->Enable();
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return true;
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}
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void MyConnection::Log(const wxString& command, const wxString& topic,
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const wxString& item, const wxChar *data, int size, wxIPCFormat format)
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{
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wxString s;
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if (topic.IsEmpty() && item.IsEmpty())
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s.Printf(_T("%s("), command.c_str());
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else if (topic.IsEmpty())
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s.Printf(_T("%s(\"%s\","), command.c_str(), item.c_str());
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else if (item.IsEmpty())
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s.Printf(_T("%s(\"%s\","), command.c_str(), topic.c_str());
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else
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s.Printf(_T("%s(\"%s\",\"%s\","), command.c_str(), topic.c_str(), item.c_str());
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if (format == wxIPC_TEXT || format == wxIPC_UNICODETEXT)
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wxLogMessage(_T("%s\"%s\",%d)"), s.c_str(), data, size);
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else if (format == wxIPC_PRIVATE)
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{
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if (size == 3)
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{
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char *bytes = (char *)data;
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wxLogMessage(_T("%s'%c%c%c',%d)"), s.c_str(), bytes[0], bytes[1], bytes[2], size);
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}
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else
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wxLogMessage(_T("%s...,%d)"), s.c_str(), size);
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}
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else if (format == wxIPC_INVALID)
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wxLogMessage(_T("%s[invalid data],%d)"), s.c_str(), size);
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}
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bool MyConnection::Advise(const wxString& item, const wxChar *data, int size, wxIPCFormat format)
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{
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Log(_T("Advise"), _T(""), item, data, size, format);
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return wxConnection::Advise(item, data, size, format);
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}
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bool MyConnection::OnDisconnect()
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{
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wxLogMessage(_T("OnDisconnect()"));
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wxGetApp().GetFrame()->Disconnect();
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return true;
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}
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