X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2f6c54eb076d760cbb6fb15e899f15fbbd575850..7f6cf37004ce42bba674e577b8a39b853aa08254:/samples/ipc/client.cpp diff --git a/samples/ipc/client.cpp b/samples/ipc/client.cpp index a7255b2e44..a91f524d7d 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 @@ -30,15 +30,15 @@ // Settings common to both executables: determines whether // we're using TCP/IP or real DDE. +#include "ipcsetup.h" -#include "ddesetup.h" +#include "wx/datetime.h" +#include "client.h" -#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) -#include "mondrian.xpm" +#ifndef wxHAS_IMAGES_IN_RESOURCES + #include "../sample.xpm" #endif -#include "client.h" - // ---------------------------------------------------------------------------- // wxWin macros // ---------------------------------------------------------------------------- @@ -46,22 +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 // ---------------------------------------------------------------------------- -char ipc_buffer[4000]; -wxListBox *the_list = NULL; - -MyConnection *the_connection = NULL; -MyClient *my_client; - // ============================================================================ // implementation // ============================================================================ @@ -74,162 +76,373 @@ MyClient *my_client; // main frame bool MyApp::OnInit() { - // service name (DDE classes) or port number (TCP/IP based classes) - wxString service = "4242"; - - // ignored under DDE, host name in TCP/IP based classes - wxString hostName = "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 TEST"); - - while ( !the_connection ) - { - if ( wxMessageBox("Failed to make connection to server.\nRetry?", - "Client Demo Error", - wxICON_ERROR | wxYES_NO | wxCANCEL ) != wxYES ) - { - // no server - return FALSE; - } - - the_connection = (MyConnection *)my_client->MakeConnection(hostName, service, "IPC TEST"); - } - } - - if (!the_connection->StartAdvise("Item")) - wxMessageBox("StartAdvise failed", "Client Demo Error"); + if ( !wxApp::OnInit() ) + return false; // Create the main frame window - (new MyFrame(NULL, "Client"))->Show(TRUE); + m_frame = new MyFrame(NULL, wxT("Client")); + m_frame->Show(true); - return TRUE; + return true; } int MyApp::OnExit() { - if (the_connection) - { - the_connection->Disconnect(); - delete the_connection; - the_connection = NULL; - } - - // 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. - delete my_client; - - return 0; } // Define my frame constructor MyFrame::MyFrame(wxFrame *frame, const wxString& title) - : wxFrame(frame, -1, title) + : wxFrame(frame, wxID_ANY, title, wxDefaultPosition, wxSize(400, 300)) { - panel = NULL; - // Give it an icon - SetIcon(wxICON(mondrian)); + SetIcon(wxICON(sample)); // Make a menubar wxMenu *file_menu = new wxMenu; - file_menu->Append(CLIENT_EXECUTE, "Execute"); - file_menu->Append(CLIENT_REQUEST, "Request"); - file_menu->Append(CLIENT_POKE, "Poke"); - file_menu->Append(CLIENT_QUIT, "Quit"); + file_menu->Append(wxID_EXIT, wxT("&Quit\tCtrl-Q")); wxMenuBar *menu_bar = new wxMenuBar; - menu_bar->Append(file_menu, "File"); + menu_bar->Append(file_menu, wxT("&File")); // Associate the menu bar with the frame SetMenuBar(menu_bar); - // Make a panel - panel = new wxPanel(this); - the_list = new wxListBox(panel, CLIENT_LISTBOX, wxPoint(5, 5)); - the_list->Append("Apple"); - the_list->Append("Pear"); - the_list->Append("Orange"); - the_list->Append("Banana"); - the_list->Append("Fruit"); + // set a dialog background + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE)); + + // add the controls to the frame + wxString strs4[] = + { + IPC_SERVICE, wxT("...") + }; + wxString strs5[] = + { + IPC_HOST, wxT("...") + }; + wxString strs6[] = + { + IPC_TOPIC, wxT("...") + }; + + 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 ); - panel->Fit(); - Fit(); + 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(wxT("Click on Connect to connect to the server")); + EnableControls(); } -void MyFrame::OnExecute(wxCommandEvent& event) +void MyFrame::EnableControls() { - if (the_connection) - if (!the_connection->Execute("Hello from the client!")) - wxMessageBox("Execute failed", "Client Demo Error"); + 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::OnPoke(wxCommandEvent& event) +void MyFrame::OnClose(wxCloseEvent& event) { - if (the_connection) - if (!the_connection->Poke("An item", "Some data to poke at the server!")) - wxMessageBox("Poke failed", "Client Demo Error"); + wxDELETE(m_client); + + event.Skip(); +} + +void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event)) +{ + 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(wxT("Client host=\"%s\" port=\"%s\" topic=\"%s\" %s"), + hostname.c_str(), servername.c_str(), topic.c_str(), + retval ? wxT("connected") : wxT("failed to connect")); + + if (!retval) { - char *data = the_connection->Request("An item"); - if (data) - wxMessageBox(data, "Client: Request", wxOK); - else - wxMessageBox("Request failed", "Client Demo Error"); + wxDELETE(m_client); } + EnableControls(); } -void MyFrame::OnExit(wxCommandEvent& event) +void MyFrame::OnServername( wxCommandEvent& WXUNUSED(event) ) { - Close(); + if (GetServername()->GetStringSelection() == wxT("...")) + { + wxString s = wxGetTextFromUser(wxT("Specify the name of the server"), + wxT("Server Name"), wxEmptyString, this); + if (!s.IsEmpty() && s != IPC_SERVICE) + { + GetServername()->Insert(s, 0); + GetServername()->SetSelection(0); + } + } } -wxConnectionBase *MyClient::OnMakeConnection() +void MyFrame::OnHostname( wxCommandEvent& WXUNUSED(event) ) { - return new MyConnection; + if (GetHostname()->GetStringSelection() == wxT("...")) + { + wxString s = wxGetTextFromUser(wxT("Specify the name of the host (ignored under DDE)"), + wxT("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() == wxT("...")) + { + wxString s = wxGetTextFromUser(wxT("Specify the name of the topic"), + wxT("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() +{ + wxDELETE(m_client); + EnableControls(); +} + +void MyFrame::OnStartAdvise(wxCommandEvent& WXUNUSED(event)) +{ + m_client->GetConnection()->StartAdvise(wxT("something")); +} + +void MyFrame::OnStopAdvise(wxCommandEvent& WXUNUSED(event)) +{ + m_client->GetConnection()->StopAdvise(wxT("something")); +} + +void MyFrame::OnExecute(wxCommandEvent& WXUNUSED(event)) +{ + if (m_client->IsConnected()) + { + wxString s = wxT("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::OnPoke(wxCommandEvent& WXUNUSED(event)) +{ + if (m_client->IsConnected()) + { + wxString s = wxDateTime::Now().Format(); + m_client->GetConnection()->Poke(wxT("Date"), s); + s = wxDateTime::Now().FormatTime() + wxT(" ") + wxDateTime::Now().FormatDate(); + m_client->GetConnection()->Poke(wxT("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(wxT("bytes[3]"), bytes, 3, wxIPC_PRIVATE); + } } -MyConnection::MyConnection() - : wxConnection(ipc_buffer, WXSIZEOF(ipc_buffer)) +void MyFrame::OnRequest(wxCommandEvent& WXUNUSED(event)) { + if (m_client->IsConnected()) + { + size_t size; + m_client->GetConnection()->Request(wxT("Date")); + m_client->GetConnection()->Request(wxT("Date+len"), &size); + m_client->GetConnection()->Request(wxT("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; } -bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, char *data, int size, wxIPCFormat format) +wxConnectionBase *MyClient::OnMakeConnection() { - if (the_list) + return new MyConnection; +} + +void MyClient::Disconnect() +{ + if (m_connection) { - int n = the_list->FindString(data); - if (n > -1) - the_list->SetSelection(n); + m_connection->Disconnect(); + wxDELETE(m_connection); + wxGetApp().GetFrame()->EnableControls(); + wxLogMessage(wxT("Client disconnected from server")); } - return TRUE; +} + +MyClient::~MyClient() +{ + Disconnect(); +} + +// ---------------------------------------------------------------------------- +// MyConnection +// ---------------------------------------------------------------------------- + +bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, const void *data, + size_t size, wxIPCFormat format) +{ + Log(wxT("OnAdvise"), topic, item, data, size, format); + return true; } bool MyConnection::OnDisconnect() { - wxWindow *win = wxTheApp->GetTopWindow(); - if ( win ) - win->Destroy(); + wxLogMessage(wxT("OnDisconnect()")); + wxGetApp().GetFrame()->Disconnect(); + return true; +} - return TRUE; +bool MyConnection::DoExecute(const void *data, size_t size, wxIPCFormat format) +{ + Log(wxT("Execute"), wxEmptyString, wxEmptyString, data, size, format); + bool retval = wxConnection::DoExecute(data, size, format); + if (!retval) + { + wxLogMessage(wxT("Execute failed!")); + } + return retval; +} + +const void *MyConnection::Request(const wxString& item, size_t *size, wxIPCFormat format) +{ + const void *data = wxConnection::Request(item, size, format); + Log(wxT("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(wxT("Poke"), wxEmptyString, item, data, size, format); + return wxConnection::DoPoke(item, data, size, format); +}