// Name: client.cpp
// Purpose: DDE sample: client
// Author: Julian Smart
-// Modified by:
+// Modified by: Jurgen Doornik
// Created: 25/01/99
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
#ifndef WX_PRECOMP
-#include "wx/wx.h"
+ #include "wx/wx.h"
#endif
// Settings common to both executables: determines whether
// we're using TCP/IP or real DDE.
+#include "ipcsetup.h"
-#include "ddesetup.h"
-
-#if defined(__WXGTK__) || defined(__WXMOTIF__)
+#if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
#include "mondrian.xpm"
#endif
+#include "wx/datetime.h"
#include "client.h"
-MyFrame *frame = NULL;
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
IMPLEMENT_APP(MyApp)
-char ipc_buffer[4000];
-wxListBox *the_list = NULL;
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_MENU(wxID_EXIT, MyFrame::OnExit)
+ EVT_CLOSE( MyFrame::OnClose )
+ EVT_BUTTON( ID_START, MyFrame::OnStart )
+ EVT_CHOICE( ID_SERVERNAME, MyFrame::OnServername )
+ EVT_CHOICE( ID_HOSTNAME, MyFrame::OnHostname )
+ EVT_CHOICE( ID_TOPIC, MyFrame::OnTopic )
+ EVT_BUTTON( ID_DISCONNECT, MyFrame::OnDisconnect )
+ EVT_BUTTON( ID_STARTADVISE, MyFrame::OnStartAdvise )
+ EVT_BUTTON( ID_STOPADVISE, MyFrame::OnStopAdvise )
+ EVT_BUTTON( ID_POKE, MyFrame::OnPoke )
+ EVT_BUTTON( ID_EXECUTE, MyFrame::OnExecute )
+ EVT_BUTTON( ID_REQUEST, MyFrame::OnRequest )
+END_EVENT_TABLE()
+
+// ----------------------------------------------------------------------------
+// globals
+// ----------------------------------------------------------------------------
-MyConnection *the_connection = NULL;
-MyClient *my_client ;
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// MyApp
+// ----------------------------------------------------------------------------
// The `main program' equivalent, creating the windows and returning the
// main frame
bool MyApp::OnInit()
{
- // Create the main frame window
- frame = new MyFrame(NULL, "Client", wxPoint(400, 0), wxSize(400, 300));
+ if ( !wxApp::OnInit() )
+ return false;
- // Give it an icon
- frame->SetIcon(wxICON(mondrian));
+ // Create the main frame window
+ m_frame = new MyFrame(NULL, _T("Client"));
+ m_frame->Show(true);
- // Make a menubar
- wxMenu *file_menu = new wxMenu;
+ return true;
+}
- file_menu->Append(CLIENT_EXECUTE, "Execute");
- file_menu->Append(CLIENT_REQUEST, "Request");
- file_menu->Append(CLIENT_POKE, "Poke");
- file_menu->Append(CLIENT_QUIT, "Quit");
+int MyApp::OnExit()
+{
- wxMenuBar *menu_bar = new wxMenuBar;
+ return 0;
+}
- menu_bar->Append(file_menu, "File");
+// Define my frame constructor
+MyFrame::MyFrame(wxFrame *frame, const wxString& title)
+ : wxFrame(frame, wxID_ANY, title, wxDefaultPosition, wxSize(400, 300))
+{
+ // Give it an icon
+ SetIcon(wxICON(mondrian));
- // Associate the menu bar with the frame
- frame->SetMenuBar(menu_bar);
+ // Make a menubar
+ wxMenu *file_menu = new wxMenu;
- // Make a panel
- frame->panel = new wxPanel(frame, -1, wxPoint(0, 0), wxSize(400, 250));
- the_list = new wxListBox(frame->panel, CLIENT_LISTBOX, wxPoint(5, 5), wxSize(150, 120));
- the_list->Append("Apple");
- the_list->Append("Pear");
- the_list->Append("Orange");
- the_list->Append("Banana");
- the_list->Append("Fruit");
+ file_menu->Append(wxID_EXIT, _T("&Quit\tCtrl-Q"));
- frame->panel->Fit();
- frame->Fit();
+ wxMenuBar *menu_bar = new wxMenuBar;
- wxString server = "4242";
+ menu_bar->Append(file_menu, _T("&File"));
-#if wxUSE_DDE_FOR_SAMPLE
- wxString hostName = wxGetHostName();
-#else
- wxString hostName = "localhost";
-#endif
+ // Associate the menu bar with the frame
+ SetMenuBar(menu_bar);
- if (argc > 1)
- server = argv[1];
- if (argc > 2)
- hostName = argv[2];
-
- // Create a new client
- my_client = new MyClient;
- the_connection = (MyConnection *)my_client->MakeConnection(hostName, server, "IPC TEST");
-
- if (!the_connection)
- {
- wxMessageBox("Failed to make connection to server", "Client Demo Error");
-#ifdef __WXMSW__
-// extern void wxPrintDDEError();
-// wxPrintDDEError();
-#endif
- return FALSE;
- }
- if (!the_connection->StartAdvise("Item"))
- wxMessageBox("StartAdvise failed", "Client Demo Error");
+ // set a dialog background
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
+
+ // add the controls to the frame
+ wxString strs4[] =
+ {
+ IPC_SERVICE, _T("...")
+ };
+ wxString strs5[] =
+ {
+ IPC_HOST, _T("...")
+ };
+ wxString strs6[] =
+ {
+ IPC_TOPIC, _T("...")
+ };
+
+ wxBoxSizer *item0 = new wxBoxSizer( wxVERTICAL );
+
+ wxBoxSizer *item1 = new wxBoxSizer( wxHORIZONTAL );
+
+ wxGridSizer *item2 = new wxGridSizer( 4, 0, 0 );
+
+ wxButton *item3 = new wxButton( this, ID_START, wxT("Connect to server"), wxDefaultPosition, wxDefaultSize, 0 );
+ item2->Add( item3, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ wxChoice *item5 = new wxChoice( this, ID_HOSTNAME, wxDefaultPosition, wxSize(100,-1), 2, strs5, 0 );
+ item2->Add( item5, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ wxChoice *item4 = new wxChoice( this, ID_SERVERNAME, wxDefaultPosition, wxSize(100,-1), 2, strs4, 0 );
+ item2->Add( item4, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ wxChoice *item6 = new wxChoice( this, ID_TOPIC, wxDefaultPosition, wxSize(100,-1), 2, strs6, 0 );
+ item2->Add( item6, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ wxButton *item7 = new wxButton( this, ID_DISCONNECT, wxT("Disconnect "), wxDefaultPosition, wxDefaultSize, 0 );
+ item2->Add( item7, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ wxButton *item8 = new wxButton( this, ID_STARTADVISE, wxT("StartAdvise"), wxDefaultPosition, wxDefaultSize, 0 );
+ item2->Add( item8, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ wxButton *item9 = new wxButton( this, ID_STOPADVISE, wxT("StopAdvise"), wxDefaultPosition, wxDefaultSize, 0 );
+ item2->Add( item9, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ wxButton *item10 = new wxButton( this, ID_EXECUTE, wxT("Execute"), wxDefaultPosition, wxDefaultSize, 0 );
+ item2->Add( item10, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ wxButton *item11 = new wxButton( this, ID_POKE, wxT("Poke"), wxDefaultPosition, wxDefaultSize, 0 );
+ item2->Add( item11, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
+
+ wxButton *item12 = new wxButton( this, ID_REQUEST, wxT("Request"), wxDefaultPosition, wxDefaultSize, 0 );
+ item2->Add( item12, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
- frame->Show(TRUE);
+ item2->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
- return TRUE;
+ item1->Add( item2, 1, wxALIGN_CENTER|wxALL, 5 );
+
+ item0->Add( item1, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ wxStaticBox *item14 = new wxStaticBox( this, -1, wxT("Client log") );
+ wxStaticBoxSizer *item13 = new wxStaticBoxSizer( item14, wxVERTICAL );
+
+ wxTextCtrl *item15 = new wxTextCtrl( this, ID_LOG, wxEmptyString, wxDefaultPosition, wxSize(500,140), wxTE_MULTILINE );
+ item13->Add( item15, 1, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ item0->Add( item13, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+ this->SetSizer( item0 );
+ item0->SetSizeHints( this );
+
+ // status
+ m_client = NULL;
+ GetServername()->SetSelection(0);
+ GetHostname()->SetSelection(0);
+ GetTopic()->SetSelection(0);
+ wxLogTextCtrl *logWindow = new wxLogTextCtrl(GetLog());
+ delete wxLog::SetActiveTarget(logWindow);
+ wxLogMessage(_T("Click on Connect to connect to the server"));
+ EnableControls();
}
-int MyApp::OnExit()
+void MyFrame::EnableControls()
{
- if (my_client)
- delete my_client ;
+ GetStart()->Enable(m_client == NULL);
+ GetServername()->Enable(m_client == NULL);
+ GetHostname()->Enable(m_client == NULL);
+ GetTopic()->Enable(m_client == NULL);
+
+ const bool isConnected = (m_client != NULL && m_client->IsConnected());
+ GetDisconnect()->Enable(m_client != NULL && isConnected);
+ GetStartAdvise()->Enable(m_client != NULL && isConnected);
+ GetStopAdvise()->Enable(m_client != NULL && isConnected);
+ GetExecute()->Enable(m_client != NULL && isConnected);
+ GetPoke()->Enable(m_client != NULL && isConnected);
+ GetRequest()->Enable(m_client != NULL && isConnected);
+}
- return 0;
+void MyFrame::OnClose(wxCloseEvent& event)
+{
+ if (m_client)
+ {
+ delete m_client;
+ m_client = NULL;
+ }
+ event.Skip();
}
-BEGIN_EVENT_TABLE(MyFrame, wxFrame)
- EVT_MENU(CLIENT_QUIT, MyFrame::OnExit)
- EVT_MENU(CLIENT_EXECUTE, MyFrame::OnExecute)
- EVT_MENU(CLIENT_POKE, MyFrame::OnPoke)
- EVT_MENU(CLIENT_REQUEST, MyFrame::OnRequest)
- EVT_CLOSE(MyFrame::OnCloseWindow)
-END_EVENT_TABLE()
+void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
+{
+ Close();
+}
-// Define my frame constructor
-MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size):
- wxFrame(frame, -1, title, pos, size)
+void MyFrame::OnStart(wxCommandEvent& WXUNUSED(event))
+{
+ // Connect to the client
+ wxString servername = GetServername()->GetStringSelection();
+ wxString hostname = GetHostname()->GetStringSelection();
+ wxString topic = GetTopic()->GetStringSelection();
+
+ m_client = new MyClient;
+ bool retval = m_client->Connect(hostname, servername, topic);
+
+ wxLogMessage(_T("Client host=\"%s\" port=\"%s\" topic=\"%s\" %s"),
+ hostname.c_str(), servername.c_str(), topic.c_str(),
+ retval ? _T("connected") : _T("failed to connect"));
+
+ if (!retval)
+ {
+ delete m_client;
+ m_client = NULL;
+ }
+ EnableControls();
+}
+
+void MyFrame::OnServername( wxCommandEvent& WXUNUSED(event) )
+{
+ if (GetServername()->GetStringSelection() == _T("..."))
+ {
+ wxString s = wxGetTextFromUser(_T("Specify the name of the server"),
+ _T("Server Name"), wxEmptyString, this);
+ if (!s.IsEmpty() && s != IPC_SERVICE)
+ {
+ GetServername()->Insert(s, 0);
+ GetServername()->SetSelection(0);
+ }
+ }
+}
+
+void MyFrame::OnHostname( wxCommandEvent& WXUNUSED(event) )
+{
+ if (GetHostname()->GetStringSelection() == _T("..."))
+ {
+ wxString s = wxGetTextFromUser(_T("Specify the name of the host (ignored under DDE)"),
+ _T("Host Name"), wxEmptyString, this);
+ if (!s.IsEmpty() && s != IPC_HOST)
+ {
+ GetHostname()->Insert(s, 0);
+ GetHostname()->SetSelection(0);
+ }
+ }
+}
+
+void MyFrame::OnTopic( wxCommandEvent& WXUNUSED(event) )
+{
+ if (GetTopic()->GetStringSelection() == _T("..."))
+ {
+ wxString s = wxGetTextFromUser(_T("Specify the name of the topic"),
+ _T("Topic Name"), wxEmptyString, this);
+ if (!s.IsEmpty() && s != IPC_TOPIC)
+ {
+ GetTopic()->Insert(s, 0);
+ GetTopic()->SetSelection(0);
+ }
+ }
+}
+
+void MyFrame::OnDisconnect(wxCommandEvent& WXUNUSED(event))
+{
+ Disconnect();
+}
+
+void MyFrame::Disconnect()
{
- panel = NULL;
+ delete m_client;
+ m_client = NULL;
+ EnableControls();
}
-void MyFrame::OnExecute(wxCommandEvent& event)
+void MyFrame::OnStartAdvise(wxCommandEvent& WXUNUSED(event))
{
- if (the_connection)
- if (!the_connection->Execute("Hello from the client!"))
- wxMessageBox("Execute failed", "Client Demo Error");
+ m_client->GetConnection()->StartAdvise(_T("something"));
}
-void MyFrame::OnPoke(wxCommandEvent& event)
+void MyFrame::OnStopAdvise(wxCommandEvent& WXUNUSED(event))
{
- if (the_connection)
- if (!the_connection->Poke("An item", "Some data to poke at the server!"))
- wxMessageBox("Poke failed", "Client Demo Error");
+ m_client->GetConnection()->StopAdvise(_T("something"));
}
-void MyFrame::OnRequest(wxCommandEvent& event)
+void MyFrame::OnExecute(wxCommandEvent& WXUNUSED(event))
{
- if (the_connection)
- {
- char *data = the_connection->Request("An item");
- if (data)
- wxMessageBox(data, "Client: Request", wxOK);
- else
- wxMessageBox("Request failed", "Client Demo Error");
- }
+ if (m_client->IsConnected())
+ {
+ wxString s = _T("Date");
+
+ m_client->GetConnection()->Execute(s);
+ m_client->GetConnection()->Execute((const char *)s.c_str(), s.length() + 1);
+ char bytes[3];
+ bytes[0] = '1';
+ bytes[1] = '2';
+ bytes[2] = '3';
+ m_client->GetConnection()->Execute(bytes, WXSIZEOF(bytes));
+ }
}
-void MyFrame::OnExit(wxCommandEvent& event)
+void MyFrame::OnPoke(wxCommandEvent& WXUNUSED(event))
{
- if (the_connection)
- the_connection->Disconnect();
+ if (m_client->IsConnected())
+ {
+ wxString s = wxDateTime::Now().Format();
+ m_client->GetConnection()->Poke(_T("Date"), s);
+ s = wxDateTime::Now().FormatTime() + _T(" ") + wxDateTime::Now().FormatDate();
+ m_client->GetConnection()->Poke(_T("Date"), (const char *)s.c_str(), s.length() + 1);
+ char bytes[3];
+ bytes[0] = '1'; bytes[1] = '2'; bytes[2] = '3';
+ m_client->GetConnection()->Poke(_T("bytes[3]"), bytes, 3, wxIPC_PRIVATE);
+ }
+}
- this->Destroy();
+void MyFrame::OnRequest(wxCommandEvent& WXUNUSED(event))
+{
+ if (m_client->IsConnected())
+ {
+ size_t size;
+ m_client->GetConnection()->Request(_T("Date"));
+ m_client->GetConnection()->Request(_T("Date+len"), &size);
+ m_client->GetConnection()->Request(_T("bytes[3]"), &size, wxIPC_PRIVATE);
+ }
}
-// Define the behaviour for the frame closing
-void MyFrame::OnCloseWindow(wxCloseEvent& event)
+// ----------------------------------------------------------------------------
+// MyClient
+// ----------------------------------------------------------------------------
+MyClient::MyClient() : wxClient()
{
- if (the_connection)
- {
- the_connection->Disconnect();
- }
- this->Destroy();
+ m_connection = NULL;
}
-MyClient::MyClient(void)
+bool MyClient::Connect(const wxString& sHost, const wxString& sService, const wxString& sTopic)
{
+ // suppress the log messages from MakeConnection()
+ wxLogNull nolog;
+
+ m_connection = (MyConnection *)MakeConnection(sHost, sService, sTopic);
+ return m_connection != NULL;
}
-wxConnectionBase *MyClient::OnMakeConnection(void)
+wxConnectionBase *MyClient::OnMakeConnection()
{
- return new MyConnection;
+ return new MyConnection;
}
-MyConnection::MyConnection(void):wxConnection(ipc_buffer, 3999)
+void MyClient::Disconnect()
{
+ if (m_connection)
+ {
+ m_connection->Disconnect();
+ delete m_connection;
+ m_connection = NULL;
+ wxGetApp().GetFrame()->EnableControls();
+ wxLogMessage(_T("Client disconnected from server"));
+ }
}
-MyConnection::~MyConnection(void)
+MyClient::~MyClient()
{
- the_connection = NULL;
+ Disconnect();
}
-bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, char *data, int size, wxIPCFormat format)
+// ----------------------------------------------------------------------------
+// MyConnection
+// ----------------------------------------------------------------------------
+
+bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, const void *data,
+ size_t size, wxIPCFormat format)
{
- if (the_list)
- {
- int n = the_list->FindString(data);
- if (n > -1)
- the_list->SetSelection(n);
- }
- return TRUE;
+ Log(_T("OnAdvise"), topic, item, data, size, format);
+ return true;
}
bool MyConnection::OnDisconnect()
{
- frame->Destroy();
+ wxLogMessage(_T("OnDisconnect()"));
+ wxGetApp().GetFrame()->Disconnect();
+ return true;
+}
- the_connection = NULL;
- delete this;
+bool MyConnection::DoExecute(const void *data, size_t size, wxIPCFormat format)
+{
+ Log(_T("Execute"), wxEmptyString, wxEmptyString, data, size, format);
+ bool retval = wxConnection::DoExecute(data, size, format);
+ if (!retval)
+ wxLogMessage(_T("Execute failed!"));
+ return retval;
+}
- return TRUE;
+const void *MyConnection::Request(const wxString& item, size_t *size, wxIPCFormat format)
+{
+ const void *data = wxConnection::Request(item, size, format);
+ Log(_T("Request"), wxEmptyString, item, data, size ? *size : wxNO_LEN, format);
+ return data;
}
+bool MyConnection::DoPoke(const wxString& item, const void *data, size_t size, wxIPCFormat format)
+{
+ Log(_T("Poke"), wxEmptyString, item, data, size, format);
+ return wxConnection::DoPoke(item, data, size, format);
+}
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