ipmidi_port.h

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/*
 * Copyright (C) 1998-2017 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2013-2016 Robin Gareus <robin@gareus.org>
 * Copyright (C) 2013 John Emmas <john@creativepost.co.uk>
 *
 * 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.
 */
 
#pragma once
 
#include <string>
#include <iostream>
#if defined(PLATFORM_WINDOWS)
#include <winsock2.h>
#elif defined(__FreeBSD__) || defined(__OpenBSD__)
#include <netinet/in.h>
#include <sys/socket.h>
#if defined(__FreeBSD__)
#include <sys/_sockaddr_storage.h>
#endif
#include <arpa/inet.h>
#include <netinet/ip_carp.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/route.h>
#else
#include <arpa/inet.h>
#include <net/if.h>
#endif
 
#include "pbd/xml++.h"
#include "pbd/crossthread.h"
#include "pbd/mutex.h"
#include "pbd/signals.h"
#include "pbd/ringbuffer.h"
 
#include "midi++/libmidi_visibility.h"
#include "midi++/types.h"
#include "midi++/parser.h"
#include "midi++/port.h"
 
namespace MIDI {
 
class LIBMIDIPP_API IPMIDIPort : public Port {
  public:
    IPMIDIPort (int base_port = lowest_ipmidi_port_default, const std::string& ifname = std::string());
    IPMIDIPort (const XMLNode&);
    ~IPMIDIPort ();
 
    XMLNode& get_state () const;
    void set_state (const XMLNode&);
 
    int write (const byte *msg, size_t msglen, timestamp_t timestamp);
    int read (byte *buf, size_t bufsize);
    void parse (samplecnt_t timestamp);
    int selectable () const;
 
    static const int lowest_ipmidi_port_default = 21928;
 
private:
    int sockin;
    int sockout;
    struct sockaddr_in addrout;
    PBD::Mutex write_lock;
 
    bool open_sockets (int base_port, const std::string& ifname);
    void close_sockets ();
 
    void init (std::string const &, Flags);
};
 
} // namespace MIDI