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/******************************************************************************
*
* Project: OpenCPN
* Purpose: NMEA Data Object
* Author: David Register
*
***************************************************************************
* Copyright (C) 2010 by David S. Register *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************
*
*
*
*
*/
#ifndef __NETWORKDATASTREAM_H__
#define __NETWORKDATASTREAM_H__
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif //precompiled header
#include <wx/datetime.h>
#ifdef __WXGTK__
// newer versions of glib define its own GSocket but we unfortunately use this
// name in our own (semi-)public header and so can't change it -- rename glib
// one instead
//#include <gtk/gtk.h>
#define GSocket GlibGSocket
#include "wx/socket.h"
#undef GSocket
#else
#include "wx/socket.h"
#endif
#ifndef __WXMSW__
#include <sys/socket.h> // needed for (some) Mac builds
#include <netinet/in.h>
#endif
#ifdef __WXMSW__
#include <windows.h>
#include <dbt.h>
#include <initguid.h>
#endif
#include <string>
#include "ConnectionParams.h"
#include "dsPortType.h"
#include "datastream.h"
class NetworkDataStream : public DataStream {
public:
NetworkDataStream(wxEvtHandler *input_consumer,
const ConnectionParams *params)
: DataStream(input_consumer, params),
m_net_port(wxString::Format(wxT("%i"), params->NetworkPort)),
m_net_protocol(params->NetProtocol),
m_sock(NULL),
m_tsock(NULL),
m_socket_server(NULL),
m_is_multicast(false),
m_txenter(0)
{
m_addr.Hostname(params->NetworkAddress);
m_addr.Service(params->NetworkPort);
m_socket_timer.SetOwner(this, TIMER_SOCKET);
m_socketread_watchdog_timer.SetOwner(this, TIMER_SOCKET + 1);
Open();
}
~NetworkDataStream() {
Close();
}
virtual bool SendSentence( const wxString &sentence ) {
wxString payload = sentence;
if( !sentence.EndsWith(_T("\r\n")) )
payload += _T("\r\n");
return SendSentenceNetwork(payload);
}
virtual void Close();
private:
wxString m_net_port;
NetworkProtocol m_net_protocol;
wxIPV4address m_addr;
wxSocketBase *m_sock;
wxSocketBase *m_tsock;
wxSocketServer *m_socket_server;
bool m_is_multicast;
struct ip_mreq m_mrq;
int m_txenter;
int m_dog_value;
std::string m_sock_buffer;
wxTimer m_socket_timer;
wxTimer m_socketread_watchdog_timer;
bool m_brx_connect_event;
void Open();
void OpenNetworkGPSD();
void OpenNetworkTCP(unsigned int addr);
void OpenNetworkUDP(unsigned int addr);
bool SendSentenceNetwork(const wxString &payload);
void OnTimerSocket(wxTimerEvent& event);
void OnSocketEvent(wxSocketEvent& event);
// TCP Server support
void OnServerSocketEvent(wxSocketEvent& event); // The listener
// void OnActiveServerEvent(wxSocketEvent& event); // The open connection
void OnSocketReadWatchdogTimer(wxTimerEvent& event);
wxIPV4address GetAddr() const { return m_addr; }
bool SetOutputSocketOptions(wxSocketBase* tsock);
wxString GetNetPort() const { return m_net_port; }
NetworkProtocol GetProtocol() { return m_net_protocol; }
void SetSock(wxSocketBase* sock) { m_sock = sock; }
wxSocketBase* GetSock() const { return m_sock; }
void SetTSock(wxSocketBase* sock) { m_tsock = sock; }
wxSocketBase* GetTSock() const { return m_tsock; }
void SetSockServer(wxSocketServer* sock) { m_socket_server = sock; }
wxSocketServer* GetSockServer() const { return m_socket_server; }
void SetMulticast(bool multicast) { m_is_multicast = multicast; }
bool GetMulticast() const { return m_is_multicast; }
void SetMrqAddr(unsigned int addr) {
m_mrq.imr_multiaddr.s_addr = addr;
m_mrq.imr_interface.s_addr = INADDR_ANY;
}
struct ip_mreq& GetMrq() { return m_mrq; }
wxTimer* GetSocketTimer() { return &m_socket_timer; }
wxTimer* GetSocketThreadWatchdogTimer() { return &m_socketread_watchdog_timer; }
void SetBrxConnectEvent(bool event) {m_brx_connect_event = event;}
bool GetBrxConnectEvent() { return m_brx_connect_event; }
DECLARE_EVENT_TABLE()
};
#endif // __NETWORKDATASTREAM_H__
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