added console IPC sample (part of patch 1833150)
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51537 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
329
samples/ipc/baseserver.cpp
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329
samples/ipc/baseserver.cpp
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///////////////////////////////////////////////////////////////////////////////
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// Name: samples/ipc/baseserver.cpp
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// Purpose: IPC sample: console server
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// Author: Anders Larsen
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// Most of the code was stolen from: samples/ipc/server.cpp
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// (c) Julian Smart, Jurgen Doornik
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// Created: 2007-11-08
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// RCS-ID: $Id$
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// Copyright: (c) 2007 Anders Larsen
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// License: 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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#include "wx/timer.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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// Define a new application
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class MyServer;
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class MyConnection;
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class MyApp : public wxApp
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{
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public:
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virtual bool OnInit();
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virtual int OnExit();
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protected:
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MyServer *m_server;
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};
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DECLARE_APP(MyApp)
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class MyConnection : public wxConnection, public wxTimer
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{
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public:
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MyConnection();
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virtual ~MyConnection();
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virtual bool Disconnect() { return wxConnection::Disconnect(); }
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virtual bool OnExecute(const wxString& topic, const void *data, size_t size, wxIPCFormat format);
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virtual const void *OnRequest(const wxString& topic, const wxString& item, size_t *size, wxIPCFormat format);
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virtual bool OnPoke(const wxString& topic, const wxString& item, const void *data, size_t size, wxIPCFormat format);
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virtual bool OnStartAdvise(const wxString& topic, const wxString& item);
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virtual bool OnStopAdvise(const wxString& topic, const wxString& item);
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virtual bool DoAdvise(const wxString& item, const void *data, size_t size, wxIPCFormat format);
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virtual bool OnDisconnect();
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virtual void Notify();
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protected:
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void Log(const wxString& command, const wxString& topic, const wxString& item, const void *data, size_t size, wxIPCFormat format);
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public:
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wxString m_sAdvise;
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protected:
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wxString m_sRequestDate;
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char m_achRequestBytes[3];
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};
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class MyServer: public wxServer
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{
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public:
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MyServer();
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virtual ~MyServer();
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void Disconnect();
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bool IsConnected() { return m_connection != NULL; };
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MyConnection *GetConnection() { return m_connection; };
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wxConnectionBase *OnAcceptConnection(const wxString& topic);
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protected:
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MyConnection *m_connection;
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};
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// ============================================================================
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// implementation
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// ============================================================================
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IMPLEMENT_APP(MyApp)
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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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delete wxLog::SetActiveTarget(new wxLogStderr);
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// Create a new server
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m_server = new MyServer;
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if (m_server->Create("4242"))
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{
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wxLogMessage(_T("Server 4242 started"));
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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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return true;
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}
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else
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{
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wxLogMessage(_T("Server 4242 failed to start"));
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delete m_server;
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return false;
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}
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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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// MyServer
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// ----------------------------------------------------------------------------
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MyServer::MyServer()
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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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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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wxLogMessage(_T("Disconnected client"));
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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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{
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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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const void *data, size_t 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, const void *data, size_t 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 void *MyConnection::OnRequest(const wxString& topic,
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const wxString& item, size_t *size, wxIPCFormat format)
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{
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const void *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 = wxNO_LEN;
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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;
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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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Start(3000, false);
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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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Stop();
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return true;
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}
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void MyConnection::Notify()
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{
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if (!m_sAdvise.IsEmpty())
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{
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wxString s = wxDateTime::Now().Format();
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Advise(m_sAdvise, s);
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s = wxDateTime::Now().FormatTime() + _T(" ") + wxDateTime::Now().FormatDate();
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Advise(m_sAdvise, (const char *)s.c_str(), s.Length() + 1);
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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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Advise(m_sAdvise, 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, bytes, 3, wxIPC_TEXT );
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}
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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 void *data, size_t 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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switch (format)
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{
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case wxIPC_TEXT:
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case wxIPC_UTF8TEXT:
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#if !wxUSE_UNICODE || wxUSE_UNICODE_UTF8
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wxLogMessage(_T("%s\"%s\",%d)"), s.c_str(), data, size);
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#else
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wxLogMessage(_T("%s\"%s\",%d)"), s.c_str(), wxConvUTF8.cMB2WC((const char*)data), size);
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#endif
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break;
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case wxIPC_PRIVATE:
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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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break;
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case wxIPC_INVALID:
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wxLogMessage(_T("%s[invalid data],%d)"), s.c_str(), size);
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break;
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default:
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wxLogMessage(_T("%s[unknown data],%d)"), s.c_str(), size);
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break;
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}
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}
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bool MyConnection::DoAdvise(const wxString& item, const void *data, size_t 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::DoAdvise(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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return true;
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}
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