mirror of
https://github.com/zhaojh329/rtty.git
synced 2026-02-27 09:53:17 +08:00
Jianhui Zhao
101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/*
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* Copyright (C) 2017 Jianhui Zhao <jianhuizhao329@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*/
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#ifndef _H_PROTOCOL
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#define _H_PROTOCOL
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#include <stdint.h>
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#include <stdbool.h>
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#include <arpa/inet.h>
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#define RTTY_PROTOCOL_VERSION 1
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#define RTTY_CLIENT_TYPE_DEVICE 0
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#define RTTY_CLIENT_TYPE_BROWSE 1
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/* rtty packet type */
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enum rtty_packet_type {
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RTTY_PACKET_LOGIN = 1,
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RTTY_PACKET_LOGINACK,
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RTTY_PACKET_LOGOUT,
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RTTY_PACKET_TTY,
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RTTY_PACKET_ANNOUNCE,
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RTTY_PACKET_UPFILE,
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RTTY_PACKET_DOWNFILE
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};
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/* rtty attribute type */
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enum rtty_attr_type {
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RTTY_ATTR_SID = 1,
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RTTY_ATTR_CODE,
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RTTY_ATTR_DATA,
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RTTY_ATTR_NAME,
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RTTY_ATTR_SIZE
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};
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struct rtty_packet {
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uint16_t size;
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uint32_t len;
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uint8_t *data;
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};
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struct rtty_packet_info {
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uint8_t version;
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uint8_t type;
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uint8_t code;
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const char *sid;
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const uint8_t *data;
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uint16_t data_len;
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const char *name;
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uint32_t size;
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};
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struct rtty_packet *rtty_packet_new(int size);
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void rtty_packet_free(struct rtty_packet *pkt);
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int rtty_packet_grow(struct rtty_packet *pkt, int size);
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int rtty_packet_init(struct rtty_packet *pkt, enum rtty_packet_type type);
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int rtty_attr_put(struct rtty_packet *pkt, enum rtty_attr_type type, uint16_t len, const void *data);
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static inline int rtty_attr_put_u8(struct rtty_packet *pkt, enum rtty_attr_type type, uint8_t val)
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{
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return rtty_attr_put(pkt, type, sizeof(uint8_t), &val);
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}
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static inline int rtty_attr_put_u16(struct rtty_packet *pkt, enum rtty_attr_type type, uint16_t val)
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{
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val = htons(val);
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return rtty_attr_put(pkt, type, sizeof(uint16_t), &val);
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}
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static inline int rtty_attr_put_u32(struct rtty_packet *pkt, enum rtty_attr_type type, uint32_t val)
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{
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val = htonl(val);
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return rtty_attr_put(pkt, type, sizeof(uint32_t), &val);
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}
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static inline int rtty_attr_put_string(struct rtty_packet *pkt, enum rtty_attr_type type, const char *str)
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{
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return rtty_attr_put(pkt, type, strlen(str) + 1, str);
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}
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int rtty_packet_parse(const uint8_t *data, int len, struct rtty_packet_info *pi);
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#endif
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