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#ifndef F2B_CMSG_H_
#define F2B_CMSG_H_
#include <sys/uio.h>
#define DATA_LEN_MAX 496 /* 512 - 16 bytes of header */
#define DATA_ARGS_MAX 6 /* number of args in data */
#define F2B_PROTO_VER 1
enum f2b_cmsg_type {
CMD_NONE = 0,
CMD_RESP,
CMD_HELP,
CMD_PING = 8,
CMD_STATUS,
CMD_ROTATE,
CMD_RELOAD,
CMD_SHUTDOWN,
CMD_JAIL_STATUS = 16,
CMD_JAIL_SET,
CMD_JAIL_IP_SHOW,
CMD_JAIL_IP_BAN,
CMD_JAIL_IP_RELEASE,
CMD_MAX_NUMBER,
};
#define CMSG_FLAG_NEED_REPLY 0x01
#define CMSG_FLAG_AUTH_PASS 0x02
/**
* @struct f2b control message
*
* Use sendmsg/recvmsg and iovec structs to pack/unpack
*/
typedef struct f2b_cmsg_t {
char magic[3]; /**< magic string "F2B" */
uint8_t version; /**< protocol version */
/* 4 bytes */
uint8_t type; /**< command type, cast from enum f2b_cmsg_type */
uint8_t flags; /**< CMSG_FLAG_* */
uint16_t size; /**< payload length */
/* 8 bytes */
char pass[8];
/* 16 bytes */
/* end of header */
char data[DATA_LEN_MAX]; /**< set of "\n"-terminated strings */
/* end of data */
} f2b_cmsg_t;
void f2b_cmsg_convert_args(f2b_cmsg_t *msg);
void f2b_cmsg_extract_args(const f2b_cmsg_t *msg, const char **argv);
#endif /* F2B_CMSG_H_ */