syndilights/open-lighting-architecture/ola-0.8.4/plugins/espnet/EspNetNode.h

138 lines
4.4 KiB
C++

/*
* 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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* EspNetNode.h
* Header file for the EspNetNode class
* Copyright (C) 2005-2009 Simon Newton
*/
#ifndef PLUGINS_ESPNET_ESPNETNODE_H_
#define PLUGINS_ESPNET_ESPNETNODE_H_
#include <string>
#include <map>
#include "ola/Closure.h"
#include "ola/DmxBuffer.h"
#include "ola/network/Interface.h"
#include "ola/network/Socket.h"
#include "plugins/espnet/EspNetPackets.h"
#include "plugins/espnet/RunLengthDecoder.h"
namespace ola {
namespace plugin {
namespace espnet {
// the node types
typedef enum {
ESPNET_NODE_TYPE_SINGLE_OUT = 0x0001, // ip to dmx
ESPNET_NODE_TYPE_SINGLE_IN = 0x0002, // dmx to ip
ESPNET_NODE_TYPE_RS232 = 0x0060,
ESPNET_NODE_TYPE_IO = 0x0061, // multi universe
ESPNET_NODE_TYPE_LONWORKS = 0x0100,
} espnet_node_type;
enum { ESPNET_MAX_UNIVERSES = 512 };
class EspNetNode {
public:
explicit EspNetNode(const std::string &ip_address);
virtual ~EspNetNode();
bool Start();
bool Stop();
const ola::network::Interface &GetInterface() const {
return m_interface;
}
void SetName(const std::string &name) { m_node_name = name; }
void SetType(espnet_node_type type) { m_type = type; }
void SetUniverse(uint8_t universe) { m_universe = universe; }
// IO methods
ola::network::UdpSocket* GetSocket() { return &m_socket; }
void SocketReady();
// DMX Receiving methods
bool SetHandler(uint8_t universe, DmxBuffer *buffer,
ola::Closure<void> *handler);
bool RemoveHandler(uint8_t universe);
// Sending methods
bool SendPoll(bool full_poll = false);
bool SendDMX(uint8_t universe, const ola::DmxBuffer &buffer);
private:
typedef struct {
DmxBuffer *buffer;
Closure<void> *closure;
} universe_handler;
EspNetNode(const EspNetNode&);
EspNetNode& operator=(const EspNetNode&);
bool InitNetwork();
void HandlePoll(const espnet_poll_t &poll, ssize_t length,
const struct in_addr &source);
void HandleReply(const espnet_poll_reply_t &reply,
ssize_t length,
const struct in_addr &source);
void HandleAck(const espnet_ack_t &ack, ssize_t length,
const struct in_addr &source);
void HandleData(const espnet_data_t &data, ssize_t length,
const struct in_addr &source);
bool SendEspPoll(const struct in_addr &dst, bool full);
bool SendEspAck(const struct in_addr &dst,
uint8_t status,
uint8_t crc);
bool SendEspPollReply(const struct in_addr &dst);
bool SendEspData(const struct in_addr &dst,
uint8_t universe,
const DmxBuffer &buffer);
bool SendPacket(const struct in_addr &dst,
const espnet_packet_union_t &packet,
unsigned int size);
bool m_running;
uint8_t m_options;
uint8_t m_tos;
uint8_t m_ttl;
uint8_t m_universe;
espnet_node_type m_type;
std::string m_node_name;
std::string m_preferred_ip;
std::map<uint8_t, universe_handler> m_handlers;
ola::network::Interface m_interface;
ola::network::UdpSocket m_socket;
RunLengthDecoder m_decoder;
static const char NODE_NAME[];
static const uint8_t DEFAULT_OPTIONS = 0;
static const uint8_t DEFAULT_TOS = 0;
static const uint8_t DEFAULT_TTL = 4;
static const uint8_t FIRMWARE_VERSION = 1;
static const uint8_t SWITCH_SETTINGS = 0;
static const uint16_t ESPNET_PORT = 3333;
static const uint8_t DATA_RAW = 1;
static const uint8_t DATA_PAIRS = 2;
static const uint8_t DATA_RLE = 4;
static const uint8_t START_CODE = 0;
};
} // espnet
} // plugin
} // ola
#endif // PLUGINS_ESPNET_ESPNETNODE_H_