/*
	usbmuxd - iPhone/iPod Touch USB multiplex server daemon

Copyright (C) 2009	Paul Sladen <libiphone@paul.sladen.org>
Copyright (C) 2009	Nikias Bassen <nikias@gmx.li>
Copyright (C) 2009	Hector Martin "marcan" <hector@marcansoft.com>

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 or version 3.

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

*/

/* Protocol defintion for usbmuxd proxy protocol */
#ifndef __USBMUXD_PROTO_H
#define __USBMUXD_PROTO_H

#include <stdint.h>
#define USBMUXD_PROTOCOL_VERSION 0

#if defined(WIN32) || defined(__CYGWIN__)
#define USBMUXD_SOCKET_PORT 27015
#else
#define USBMUXD_SOCKET_FILE "/var/run/usbmuxd"
#endif

#ifdef __cplusplus
extern "C" {
#endif

enum usbmuxd_result {
	RESULT_OK = 0,
	RESULT_BADCOMMAND = 1,
	RESULT_BADDEV = 2,
	RESULT_CONNREFUSED = 3,
	// ???
	// ???
	RESULT_BADVERSION = 6,
};

enum usbmuxd_msgtype {
	MESSAGE_RESULT  = 1,
	MESSAGE_CONNECT = 2,
	MESSAGE_LISTEN = 3,
	MESSAGE_DEVICE_ADD = 4,
	MESSAGE_DEVICE_REMOVE = 5,
	//???
	//???
	MESSAGE_PLIST = 8,
};

struct usbmuxd_header {
	uint32_t length;    // length of message, including header
	uint32_t version;   // protocol version
	uint32_t message;   // message type
	uint32_t tag;       // responses to this query will echo back this tag
} __attribute__((__packed__));

struct usbmuxd_result_msg {
	struct usbmuxd_header header;
	uint32_t result;
} __attribute__((__packed__));

struct usbmuxd_connect_request {
	struct usbmuxd_header header;
	uint32_t device_id;
	uint16_t port;   // TCP port number
	uint16_t reserved;   // set to zero
} __attribute__((__packed__));

struct usbmuxd_listen_request {
	struct usbmuxd_header header;
} __attribute__((__packed__));

struct usbmuxd_device_record {
	uint32_t device_id;
	uint16_t product_id;
	char serial_number[256];
	uint16_t padding;
	uint32_t location;
} __attribute__((__packed__));

#ifdef __cplusplus
}
#endif

#endif /* __USBMUXD_PROTO_H */
