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/*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* PathportPackets.h
* Datagram definitions for libpathport
* Copyright (C) 2006 Simon Newton
*/
#ifndef PLUGINS_PATHPORT_PATHPORTPACKETS_H_
#define PLUGINS_PATHPORT_PATHPORTPACKETS_H_
#include <sys/types.h>
#include <stdint.h>
#include "ola/network/IPV4Address.h"
namespace ola {
namespace plugin {
namespace pathport {
/*
* Pathport opcodes
*/
// We can't use the PACK macro for enums
#ifdef _WIN32
#pragma pack(push, 1)
#endif // _WIN32
enum pathport_packet_type_e {
PATHPORT_DATA = 0x0100,
PATHPORT_PATCH = 0x0200,
PATHPORT_PATCHREP = 0x0210,
PATHPORT_GET = 0x0222,
PATHPORT_GET_REPLY = 0x0223,
PATHPORT_ARP_REQUEST = 0x0301,
PATHPORT_ARP_REPLY = 0x0302,
PATHPORT_SET = 0x0400,
#ifdef _WIN32
};
#pragma pack(pop)
#else
} __attribute__((packed));
#endif // _WIN32
typedef enum pathport_packet_type_e pathport_packet_type_t;
/*
* Pathport xDmx
*/
PACK(
struct pathport_pdu_data_s {
uint16_t type;
uint16_t channel_count;
uint8_t universe; // not used, set to 0
uint8_t start_code;
uint16_t offset;
uint8_t data[0];
});
typedef struct pathport_pdu_data_s pathport_pdu_data;
/*
* Pathport get request
*/
PACK(
struct pathport_pdu_get_s {
uint16_t params[0];
});
typedef struct pathport_pdu_get_s pathport_pdu_get;
/*
* Pathport get reply
*/
PACK(
struct pathport_pdu_getrep_s {
uint8_t params[0];
});
typedef struct pathport_pdu_getrep_s pathport_pdu_getrep;
struct pathport_pdu_getrep_alv_s {
uint16_t type;
uint16_t len;
uint8_t val[0];
};
typedef struct pathport_pdu_getrep_alv_s pathport_pdu_getrep_alv;
/*
* Pathport arp reply
*/
PACK(
struct pathport_pdu_arp_reply_s {
uint32_t id;
uint8_t ip[ola::network::IPV4Address::LENGTH];
uint8_t manufacturer_code; // manufacturer code
uint8_t device_class; // device class
uint8_t device_type; // device type
uint8_t component_count; // number of dmx components
});
typedef struct pathport_pdu_arp_reply_s pathport_pdu_arp_reply;
PACK(
struct pathport_pdu_header_s {
uint16_t type; // pdu type
uint16_t len; // length
});
typedef struct pathport_pdu_header_s pathport_pdu_header;
/*
* PDU Header
*/
PACK(
struct pathport_packet_pdu_s {
pathport_pdu_header head;
union {
pathport_pdu_data data;
pathport_pdu_get get;
pathport_pdu_getrep getrep;
pathport_pdu_arp_reply arp_reply;
} d; // pdu data
});
typedef struct pathport_packet_pdu_s pathport_packet_pdu;
/*
* A complete Pathport packet
*/
PACK(
struct pathport_packet_header_s {
uint16_t protocol;
uint8_t version_major;
uint8_t version_minor;
uint16_t sequence;
uint8_t reserved[6]; // set to 0
uint32_t source; // src id
uint32_t destination; // dst id
});
typedef struct pathport_packet_header_s pathport_packet_header;
/*
* The complete pathport packet
*/
PACK(
struct pathport_packet_s {
pathport_packet_header header;
union {
uint8_t data[1480]; // 1500 - header size
pathport_packet_pdu pdu;
} d;
});
} // namespace pathport
} // namespace plugin
} // namespace ola
#endif // PLUGINS_PATHPORT_PATHPORTPACKETS_H_
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