X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/600683ca0561c9d56e73f1faa3f21d8a6670936b..58211774c81794d1408967203294af1206b29394:/samples/ipc/client.cpp diff --git a/samples/ipc/client.cpp b/samples/ipc/client.cpp index 9c479b0075..09ec3059fa 100644 --- a/samples/ipc/client.cpp +++ b/samples/ipc/client.cpp @@ -2,7 +2,7 @@ // 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 @@ -30,12 +30,13 @@ // 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 "wx/datetime.h" #include "client.h" // ---------------------------------------------------------------------------- @@ -45,21 +46,24 @@ IMPLEMENT_APP(MyApp) 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_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 // ---------------------------------------------------------------------------- -wxListBox *the_list = NULL; - -MyConnection *the_connection = NULL; -MyClient *my_client; - // ============================================================================ // implementation // ============================================================================ @@ -72,66 +76,22 @@ MyClient *my_client; // main frame bool MyApp::OnInit() { - // service name (DDE classes) or port number (TCP/IP based classes) - wxString service = IPC_SERVICE; - - // ignored under DDE, host name in TCP/IP based classes - wxString hostName = _T("localhost"); - - if (argc > 1) - service = argv[1]; - if (argc > 2) - hostName = argv[2]; - - // Create a new client - my_client = new MyClient; - - // suppress the log messages from MakeConnection() - { - wxLogNull nolog; - the_connection = (MyConnection *) - my_client->MakeConnection(hostName, service, IPC_TOPIC); - - while ( !the_connection ) - { - if ( wxMessageBox(_T("Failed to make connection to server.\nRetry?"), - _T("Client Demo Error"), - wxICON_ERROR | wxYES_NO | wxCANCEL ) != wxYES ) - { - // no server - return FALSE; - } - - the_connection = (MyConnection *)my_client->MakeConnection(hostName, service, _T("IPC TEST")); - } - } - - if (!the_connection->StartAdvise(IPC_ADVISE_NAME)) - wxMessageBox(_T("StartAdvise failed"), _T("Client Demo Error")); - // Create the main frame window - (new MyFrame(NULL, _T("Client")))->Show(TRUE); + m_frame = new MyFrame(NULL, _T("Client")); + m_frame->Show(true); - return TRUE; + return true; } int MyApp::OnExit() { - // will delete the connection too - // Update: Seems it didn't delete the_connection, because there's a leak. - // Deletion is now explicitly done a few lines up. - // another Update: in fact it's because OnDisconnect should delete it, but - // it wasn't - delete my_client; - - return 0; } // Define my frame constructor MyFrame::MyFrame(wxFrame *frame, const wxString& title) - : wxFrame(frame, -1, title, wxDefaultPosition, wxSize(300, 200)) + : wxFrame(frame, wxID_ANY, title, wxDefaultPosition, wxSize(400, 300)) { // Give it an icon SetIcon(wxICON(mondrian)); @@ -139,10 +99,7 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title) // Make a menubar wxMenu *file_menu = new wxMenu; - file_menu->Append(CLIENT_EXECUTE, _T("&Execute\tCtrl-E")); - file_menu->Append(CLIENT_REQUEST, _T("&Request\tCtrl-R")); - file_menu->Append(CLIENT_POKE, _T("&Poke\tCtrl-P")); - file_menu->Append(CLIENT_QUIT, _T("&Quit\tCtrl-Q")); + file_menu->Append(wxID_EXIT, _T("&Quit\tCtrl-Q")); wxMenuBar *menu_bar = new wxMenuBar; @@ -151,44 +108,283 @@ MyFrame::MyFrame(wxFrame *frame, const wxString& title) // Associate the menu bar with the frame SetMenuBar(menu_bar); - // Make a listbox which shows the choices made in the server - the_list = new wxListBox(this, CLIENT_LISTBOX, wxPoint(5, 5)); - the_list->Append(_T("Apple")); - the_list->Append(_T("Pear")); - the_list->Append(_T("Orange")); - the_list->Append(_T("Banana")); - the_list->Append(_T("Fruit")); + // 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 ); + + 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 *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(); +} + +void MyFrame::EnableControls() +{ + 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); } -void MyFrame::OnExecute(wxCommandEvent& event) +void MyFrame::OnClose(wxCloseEvent& event) { - if (the_connection) - if (!the_connection->Execute(_T("Hello from the client!"))) - wxMessageBox(_T("Execute failed"), _T("Client Demo Error")); + if (m_client) + { + delete m_client; + m_client = NULL; + } + event.Skip(); } -void MyFrame::OnPoke(wxCommandEvent& event) +void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event)) { - if (the_connection) - if (!the_connection->Poke(_T("An item"), _T("Some data to poke at the server!"))) - wxMessageBox(_T("Poke failed"), _T("Client Demo Error")); + Close(); } -void MyFrame::OnRequest(wxCommandEvent& event) +void MyFrame::OnStart(wxCommandEvent& WXUNUSED(event)) { - if (the_connection) + // 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) { - wxChar *data = the_connection->Request(_T("An item")); - if (data) - wxMessageBox(data, _T("Client: Request"), wxOK); - else - wxMessageBox(_T("Request failed"), _T("Client Demo Error")); + delete m_client; + m_client = NULL; } + EnableControls(); } -void MyFrame::OnExit(wxCommandEvent& event) +void MyFrame::OnServername( wxCommandEvent& WXUNUSED(event) ) { - Close(); + 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() +{ + delete m_client; + m_client = NULL; + EnableControls(); +} + +void MyFrame::OnStartAdvise(wxCommandEvent& WXUNUSED(event)) +{ + m_client->GetConnection()->StartAdvise(_T("something")); +} + +void MyFrame::OnStopAdvise(wxCommandEvent& WXUNUSED(event)) +{ + m_client->GetConnection()->StopAdvise(_T("something")); +} + +void MyFrame::OnExecute(wxCommandEvent& WXUNUSED(event)) +{ + if (m_client->IsConnected()) + { + wxString s = _T("Date"); + + m_client->GetConnection()->Execute((wxChar *)s.c_str()); + m_client->GetConnection()->Execute((wxChar *)s.c_str(), (s.Length() + 1) * sizeof(wxChar)); +#if wxUSE_DDE_FOR_IPC + wxLogMessage(_T("DDE Execute can only be used to send text strings, not arbitrary data.\nThe type argument will be ignored, text truncated, converted to Unicode and null terminated.")); +#endif + char bytes[3]; + bytes[0] = '1'; bytes[1] = '2'; bytes[2] = '3'; + m_client->GetConnection()->Execute((wxChar *)bytes, 3, wxIPC_PRIVATE); + } +} + +void MyFrame::OnPoke(wxCommandEvent& WXUNUSED(event)) +{ + if (m_client->IsConnected()) + { + wxString s = wxDateTime::Now().Format(); + m_client->GetConnection()->Poke(_T("Date"), (wxChar *)s.c_str()); + s = wxDateTime::Now().FormatTime() + _T(" ") + wxDateTime::Now().FormatDate(); + m_client->GetConnection()->Poke(_T("Date"), (wxChar *)s.c_str(), (s.Length() + 1) * sizeof(wxChar)); + char bytes[3]; + bytes[0] = '1'; bytes[1] = '2'; bytes[2] = '3'; + m_client->GetConnection()->Poke(_T("bytes[3]"), (wxChar *)bytes, 3, wxIPC_PRIVATE); + } +} + +void MyFrame::OnRequest(wxCommandEvent& WXUNUSED(event)) +{ + if (m_client->IsConnected()) + { + int 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); + } +} + +// ---------------------------------------------------------------------------- +// MyClient +// ---------------------------------------------------------------------------- +MyClient::MyClient() : wxClient() +{ + m_connection = NULL; +} + +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() @@ -196,26 +392,88 @@ wxConnectionBase *MyClient::OnMakeConnection() return new MyConnection; } -bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, wxChar *data, int size, wxIPCFormat format) +void MyClient::Disconnect() +{ + if (m_connection) + { + m_connection->Disconnect(); + delete m_connection; + m_connection = NULL; + wxGetApp().GetFrame()->EnableControls(); + wxLogMessage(_T("Client disconnected from server")); + } +} + +MyClient::~MyClient() +{ + Disconnect(); +} + +// ---------------------------------------------------------------------------- +// MyConnection +// ---------------------------------------------------------------------------- + +void MyConnection::Log(const wxString& command, const wxString& topic, + const wxString& item, wxChar *data, int size, wxIPCFormat format) { - if (the_list) + wxString s; + if (topic.IsEmpty() && item.IsEmpty()) + s.Printf(_T("%s("), command.c_str()); + else if (topic.IsEmpty()) + s.Printf(_T("%s(item=\"%s\","), command.c_str(), item.c_str()); + else if (item.IsEmpty()) + s.Printf(_T("%s(topic=\"%s\","), command.c_str(), topic.c_str()); + else + s.Printf(_T("%s(topic=\"%s\",item=\"%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) { - int n = the_list->FindString(data); - if (n > -1) - the_list->SetSelection(n); + 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); } - return TRUE; + else if (format == wxIPC_INVALID) + wxLogMessage(_T("%s[invalid data],%d)"), s.c_str(), size); +} + +bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, wxChar *data, + int size, wxIPCFormat format) +{ + Log(_T("OnAdvise"), topic, item, data, size, format); + return true; } bool MyConnection::OnDisconnect() { - // when connection is terminated, quit whole program - wxWindow *win = wxTheApp->GetTopWindow(); - if ( win ) - win->Destroy(); + wxLogMessage(_T("OnDisconnect()")); + wxGetApp().GetFrame()->Disconnect(); + return true; +} - // delete self - the_connection = NULL; - return wxConnection::OnDisconnect(); +bool MyConnection::Execute(const wxChar *data, int size, wxIPCFormat format) +{ + Log(_T("Execute"), wxEmptyString, wxEmptyString, (wxChar *)data, size, format); + bool retval = wxConnection::Execute(data, size, format); + if (!retval) + wxLogMessage(_T("Execute failed!")); + return retval; } +wxChar *MyConnection::Request(const wxString& item, int *size, wxIPCFormat format) +{ + wxChar *data = wxConnection::Request(item, size, format); + Log(_T("Request"), wxEmptyString, item, data, size ? *size : -1, format); + return data; +} + +bool MyConnection::Poke(const wxString& item, wxChar *data, int size, wxIPCFormat format) +{ + Log(_T("Poke"), wxEmptyString, item, data, size, format); + return wxConnection::Poke(item, data, size, format); +}