// Name: server.cpp
// Purpose: IPC sample: server
// Author: Julian Smart
-// Modified by:
+// Modified by: Jurgen Doornik
// Created: 25/01/99
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Settings common to both executables: determines whether
// we're using TCP/IP or real DDE.
-#include "ddesetup.h"
+#include "ipcsetup.h"
#if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
#include "mondrian.xpm"
#endif
#include "server.h"
+#include "wx/textdlg.h"
+#include "wx/datetime.h"
// ----------------------------------------------------------------------------
// wxWin macros
IMPLEMENT_APP(MyApp)
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
- EVT_MENU (SERVER_EXIT, MyFrame::OnExit)
- EVT_LISTBOX(SERVER_LISTBOX, MyFrame::OnListBoxClick)
+ EVT_MENU (wxID_EXIT, MyFrame::OnExit)
+ EVT_CLOSE( MyFrame::OnClose )
+ EVT_BUTTON( ID_START, MyFrame::OnStart )
+ EVT_CHOICE( ID_SERVERNAME, MyFrame::OnServerName )
+ EVT_BUTTON( ID_DISCONNECT, MyFrame::OnDisconnect )
+ EVT_BUTTON( ID_ADVISE, MyFrame::OnAdvise )
END_EVENT_TABLE()
-BEGIN_EVENT_TABLE(IPCDialogBox, wxDialog)
- EVT_BUTTON(SERVER_QUIT_BUTTON, IPCDialogBox::OnQuit)
-END_EVENT_TABLE()
-
-// ----------------------------------------------------------------------------
-// global variables
-// ----------------------------------------------------------------------------
-
-MyConnection *the_connection = NULL;
// ============================================================================
// implementation
bool MyApp::OnInit()
{
// Create the main frame window
- (new MyFrame(NULL, _T("Server")))->Show(true);
-
- // service name (DDE classes) or port number (TCP/IP based classes)
- wxString service = IPC_SERVICE;
-
- if (argc > 1)
- service = argv[1];
-
- // Create a new server
- m_server = new MyServer;
- m_server->Create(service);
+ m_frame = new MyFrame(NULL, _T("Server"));
+ m_frame->Show(true);
return true;
}
int MyApp::OnExit()
{
- delete m_server;
-
return 0;
}
// Define my frame constructor
MyFrame::MyFrame(wxFrame *frame, const wxString& title)
- : wxFrame(frame, wxID_ANY, title, wxDefaultPosition, wxSize(350, 250))
+ : wxFrame(frame, wxID_ANY, title, wxDefaultPosition, wxSize(400, 300))
{
+#if wxUSE_STATUSBAR
CreateStatusBar();
+#endif // wxUSE_STATUSBAR
// Give it an icon
SetIcon(wxICON(mondrian));
// Make a menubar
wxMenu *file_menu = new wxMenu;
- file_menu->Append(SERVER_EXIT, _T("&Quit\tCtrl-Q"));
+ file_menu->Append(wxID_EXIT, _T("&Quit\tCtrl-Q"));
wxMenuBar *menu_bar = new wxMenuBar;
// Associate the menu bar with the frame
SetMenuBar(menu_bar);
- // Make a listbox
- wxListBox *list = new wxListBox(this, SERVER_LISTBOX, wxPoint(5, 5));
- list->Append(_T("Apple"));
- list->Append(_T("Pear"));
- list->Append(_T("Orange"));
- list->Append(_T("Banana"));
- list->Append(_T("Fruit"));
+ // set a dialog background
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
+
+ // add the controls to the frame
+ wxBoxSizer *item0 = new wxBoxSizer( wxVERTICAL );
+
+ wxBoxSizer *item1 = new wxBoxSizer( wxHORIZONTAL );
+
+ wxFlexGridSizer *item2 = new wxFlexGridSizer( 2, 0, 0 );
+ item2->AddGrowableCol( 1 );
+
+ wxButton *item3 = new wxButton( this, ID_START, wxT("Start Server"), wxDefaultPosition, wxDefaultSize, 0 );
+ item2->Add( item3, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ wxString strs4[] =
+ {
+ IPC_SERVICE, _T("...")
+ };
+ wxChoice *item4 = new wxChoice( this, ID_SERVERNAME, wxDefaultPosition, wxSize(100,-1), 2, strs4, 0 );
+ item2->Add( item4, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ wxButton *item5 = new wxButton( this, ID_DISCONNECT, wxT("Disconnect Client"), wxDefaultPosition, wxDefaultSize, 0 );
+ item2->Add( item5, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ wxButton *item6 = new wxButton( this, ID_ADVISE, wxT("Advise"), wxDefaultPosition, wxDefaultSize, 0 );
+ item2->Add( item6, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ item1->Add( item2, 1, wxALIGN_CENTER|wxALL, 5 );
+
+ item0->Add( item1, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ wxStaticBox *item8 = new wxStaticBox( this, -1, wxT("Server log") );
+ wxStaticBoxSizer *item7 = new wxStaticBoxSizer( item8, wxVERTICAL );
+
+ wxTextCtrl *item9 = new wxTextCtrl( this, ID_LOG, wxT(""), wxDefaultPosition, wxSize(500,140), wxTE_MULTILINE );
+ item7->Add( item9, 1, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ item0->Add( item7, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ SetSizer( item0 );
+ item0->SetSizeHints( this );
+
+ // status
+ m_server = NULL;
+ GetServername()->SetSelection(0);
+ wxLogTextCtrl *logWindow = new wxLogTextCtrl(GetLog());
+ delete wxLog::SetActiveTarget(logWindow);
+ wxLogMessage(_T("Click on Start to start the server"));
+ Enable();
}
-// Set the client process's listbox to this item
-void MyFrame::OnListBoxClick(wxCommandEvent& WXUNUSED(event))
+void MyFrame::Enable()
{
- wxListBox* listBox = (wxListBox*) FindWindow(SERVER_LISTBOX);
- if (listBox)
- {
- wxString value = listBox->GetStringSelection();
+ GetStart()->Enable(m_server == NULL);
+ GetServername()->Enable(m_server == NULL);
+ GetAdvise()->Enable(m_server && m_server->CanAdvise());
+ GetDisconnect()->Enable(m_server && m_server->IsConnected() != NULL);
+}
- /* Because the_connection only holds one connection, in this sample only
- one connection can receive advise messages */
- if (the_connection)
- {
- the_connection->Advise(IPC_ADVISE_NAME, (wxChar*)value.c_str());
- }
+void MyFrame::OnClose(wxCloseEvent& event)
+{
+ if (m_server)
+ {
+ delete m_server;
+ m_server = NULL;
}
+ event.Skip();
}
void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
Close(true);
}
-// ----------------------------------------------------------------------------
-// IPCDialogBox
-// ----------------------------------------------------------------------------
+void MyFrame::OnStart(wxCommandEvent& WXUNUSED(event))
+{
+ // Create a new server
+ m_server = new MyServer;
+ wxString servername = GetServername()->GetStringSelection();
+ if (m_server->Create(servername))
+ {
+ wxLogMessage(_T("Server %s started"), servername.c_str());
+ #if wxUSE_DDE_FOR_IPC
+ wxLogMessage(_T("Server uses DDE"));
+ #else // !wxUSE_DDE_FOR_IPC
+ wxLogMessage(_T("Server uses TCP"));
+ #endif // wxUSE_DDE_FOR_IPC/!wxUSE_DDE_FOR_IPC
+ }
+ else
+ {
+ wxLogMessage(_T("Server %s failed to start"), servername.c_str());
+ delete m_server;
+ m_server = NULL;
+ }
+ Enable();
+}
-IPCDialogBox::IPCDialogBox(wxWindow *parent, const wxString& title,
- const wxPoint& pos, const wxSize& size,
- MyConnection *connection)
- : wxDialog(parent, wxID_ANY, title, pos, size)
+void MyFrame::OnServerName( wxCommandEvent& WXUNUSED(event) )
{
- m_connection = connection;
- (void)new wxButton(this, SERVER_QUIT_BUTTON, _T("Quit this connection"),
- wxPoint(5, 5));
- Fit();
+ if (GetServername()->GetStringSelection() == _T("..."))
+ {
+ wxString s = wxGetTextFromUser(_T("Specify the name of the server"),
+ _T("Server Name"), _(""), this);
+ if (!s.IsEmpty() && s != IPC_SERVICE)
+ {
+ GetServername()->Insert(s, 0);
+ GetServername()->SetSelection(0);
+ }
+ }
}
-IPCDialogBox::~IPCDialogBox( )
+void MyFrame::Disconnect()
{
- // wxWidgets exit code destroys dialog before destroying the connection in
- // OnExit, so make sure connection won't try to delete the dialog later.
- if (m_connection)
- m_connection->dialog = NULL;
+ m_server->Disconnect();
+ Enable();
}
-void IPCDialogBox::OnQuit(wxCommandEvent& WXUNUSED(event))
+void MyFrame::OnDisconnect(wxCommandEvent& WXUNUSED(event))
{
- m_connection->Disconnect();
- delete m_connection;
+ Disconnect();
+}
+
+void MyFrame::OnAdvise(wxCommandEvent& WXUNUSED(event))
+{
+ m_server->Advise();
}
// ----------------------------------------------------------------------------
// MyServer
// ----------------------------------------------------------------------------
+MyServer::MyServer() : wxServer()
+{
+ m_connection = NULL;
+}
+
+MyServer::~MyServer()
+{
+ Disconnect();
+}
+
wxConnectionBase *MyServer::OnAcceptConnection(const wxString& topic)
{
- if ( topic == IPC_TOPIC )
- return new MyConnection();
+ wxLogMessage(_T("OnAcceptConnection(\"%s\")"), topic.c_str());
+ if ( topic == IPC_TOPIC )
+ {
+ m_connection = new MyConnection();
+ wxGetApp().GetFrame()->Enable();
+ wxLogMessage(_T("Connection accepted"));
+ return m_connection;
+ }
// unknown topic
return NULL;
}
+void MyServer::Disconnect()
+{
+ if (m_connection)
+ {
+ m_connection->Disconnect();
+ delete m_connection;
+ m_connection = NULL;
+ wxGetApp().GetFrame()->Enable();
+ wxLogMessage(_T("Disconnected client"));
+ }
+}
+
+void MyServer::Advise()
+{
+ if (CanAdvise())
+ {
+ wxString s = wxDateTime::Now().Format();
+ m_connection->Advise(m_connection->m_sAdvise, (wxChar *)s.c_str());
+ s = wxDateTime::Now().FormatTime() + _T(" ") + wxDateTime::Now().FormatDate();
+ m_connection->Advise(m_connection->m_sAdvise, (wxChar *)s.c_str(), (s.Length() + 1) * sizeof(wxChar));
+
+#if wxUSE_DDE_FOR_IPC
+ 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."));
+#endif
+ char bytes[3];
+ bytes[0] = '1'; bytes[1] = '2'; bytes[2] = '3';
+ m_connection->Advise(m_connection->m_sAdvise, (wxChar *)bytes, 3, wxIPC_PRIVATE);
+ // this works, but the log treats it as a string now
+// m_connection->Advise(m_connection->m_sAdvise, (wxChar *)bytes, 3, wxIPC_TEXT );
+ }
+}
+
// ----------------------------------------------------------------------------
// MyConnection
// ----------------------------------------------------------------------------
MyConnection::MyConnection()
: wxConnection()
{
- dialog = new IPCDialogBox(wxTheApp->GetTopWindow(), _T("Connection"),
- wxPoint(100, 100), wxSize(500, 500), this);
- dialog->Show(true);
- the_connection = this;
}
MyConnection::~MyConnection()
{
- if (the_connection)
+}
+
+bool MyConnection::OnExecute(const wxString& topic,
+ wxChar *data, int size, wxIPCFormat format)
+{
+ Log(_T("OnExecute"), topic, _T(""), data, size, format);
+ return true;
+}
+
+bool MyConnection::OnPoke(const wxString& topic,
+ const wxString& item, wxChar *data, int size, wxIPCFormat format)
+{
+ Log(_T("OnPoke"), topic, item, data, size, format);
+ return wxConnection::OnPoke(topic, item, data, size, format);
+}
+
+wxChar *MyConnection::OnRequest(const wxString& topic,
+ const wxString& item, int * size, wxIPCFormat format)
+{
+ wxChar *data;
+ if (item == _T("Date"))
{
- if (dialog)
- {
- dialog->m_connection = NULL;
- dialog->Destroy();
- }
- the_connection = NULL;
+ m_sRequestDate = wxDateTime::Now().Format();
+ data = (wxChar *)m_sRequestDate.c_str();
+ *size = -1;
+ }
+ else if (item == _T("Date+len"))
+ {
+ m_sRequestDate = wxDateTime::Now().FormatTime() + _T(" ") + wxDateTime::Now().FormatDate();
+ data = (wxChar *)m_sRequestDate.c_str();
+ *size = (m_sRequestDate.Length() + 1) * sizeof(wxChar);
+ }
+ else if (item == _T("bytes[3]"))
+ {
+ data = (wxChar *)m_achRequestBytes;
+ m_achRequestBytes[0] = '1'; m_achRequestBytes[1] = '2'; m_achRequestBytes[2] = '3';
+ *size = 3;
+ }
+ else
+ {
+ data = NULL;
+ *size = 0;
}
+ Log(_T("OnRequest"), topic, item, data, *size, format);
+ return data;
}
-bool MyConnection::OnExecute(const wxString& WXUNUSED(topic),
- wxChar *data,
- int WXUNUSED(size),
- wxIPCFormat WXUNUSED(format))
+bool MyConnection::OnStartAdvise(const wxString& topic,
+ const wxString& item)
{
- wxLogStatus(wxT("Execute command: %s"), data);
+ wxLogMessage(_T("OnStartAdvise(\"%s\",\"%s\")"), topic.c_str(), item.c_str());
+ wxLogMessage(_T("Returning true"));
+ m_sAdvise = item;
+ wxGetApp().GetFrame()->Enable();
return true;
}
-bool MyConnection::OnPoke(const wxString& WXUNUSED(topic),
- const wxString& item,
- wxChar *data,
- int WXUNUSED(size),
- wxIPCFormat WXUNUSED(format))
+bool MyConnection::OnStopAdvise(const wxString& topic,
+ const wxString& item)
{
- wxLogStatus(wxT("Poke command: %s = %s"), item.c_str(), data);
+ wxLogMessage(_T("OnStopAdvise(\"%s\",\"%s\")"), topic.c_str(), item.c_str());
+ wxLogMessage(_T("Returning true"));
+ m_sAdvise.Empty();
+ wxGetApp().GetFrame()->Enable();
return true;
}
-wxChar *MyConnection::OnRequest(const wxString& WXUNUSED(topic),
- const wxString& WXUNUSED(item),
- int * WXUNUSED(size),
- wxIPCFormat WXUNUSED(format))
+void MyConnection::Log(const wxString& command, const wxString& topic,
+ const wxString& item, wxChar *data, int size, wxIPCFormat format)
+{
+ wxString s;
+ if (topic.IsEmpty() && item.IsEmpty())
+ s.Printf(_T("%s("), command.c_str());
+ else if (topic.IsEmpty())
+ s.Printf(_T("%s(\"%s\","), command.c_str(), item.c_str());
+ else if (item.IsEmpty())
+ s.Printf(_T("%s(\"%s\","), command.c_str(), topic.c_str());
+ else
+ s.Printf(_T("%s(\"%s\",\"%s\","), command.c_str(), topic.c_str(), item.c_str());
+
+ if (format == wxIPC_TEXT || format == wxIPC_UNICODETEXT)
+ wxLogMessage(_T("%s\"%s\",%d)"), s.c_str(), data, size);
+ else if (format == wxIPC_PRIVATE)
+ {
+ if (size == 3)
+ {
+ char *bytes = (char *)data;
+ wxLogMessage(_T("%s'%c%c%c',%d)"), s.c_str(), bytes[0], bytes[1], bytes[2], size);
+ }
+ else
+ wxLogMessage(_T("%s...,%d)"), s.c_str(), size);
+ }
+ else if (format == wxIPC_INVALID)
+ wxLogMessage(_T("%s[invalid data],%d)"), s.c_str(), size);
+}
+
+bool MyConnection::Advise(const wxString& item, wxChar *data, int size, wxIPCFormat format)
{
- return _T("Here, have your data, client!");
+ Log(_T("Advise"), _T(""), item, data, size, format);
+ return wxConnection::Advise(item, data, size, format);
}
-bool MyConnection::OnStartAdvise(const wxString& WXUNUSED(topic),
- const wxString& WXUNUSED(item))
+bool MyConnection::OnDisconnect()
{
+ wxLogMessage(_T("OnDisconnect()"));
+ wxGetApp().GetFrame()->Disconnect();
return true;
}
-
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