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#ifndef FIO_SERVER_H
#define FIO_SERVER_H
#include <inttypes.h>
#include <string.h>
#include <sys/time.h>
#include <netinet/in.h>
#include "stat.h"
#include "os/os.h"
#include "diskutil.h"
#define FIO_NET_PORT 8765
/*
* On-wire encoding is little endian
*/
struct fio_net_cmd {
uint16_t version; /* protocol version */
uint16_t opcode; /* command opcode */
uint32_t flags; /* modifier flags */
uint64_t tag; /* passed back on reply */
uint32_t pdu_len; /* length of post-cmd layload */
/*
* These must be immediately before the payload, anything before
* these fields are checksummed.
*/
uint16_t cmd_crc16; /* cmd checksum */
uint16_t pdu_crc16; /* payload checksum */
uint8_t payload[0]; /* payload */
};
struct fio_net_int_cmd {
struct fio_net_cmd cmd;
struct flist_head list;
struct timeval tv;
uint64_t saved_tag;
};
enum {
FIO_SERVER_VER = 10,
FIO_SERVER_MAX_FRAGMENT_PDU = 1024,
FIO_NET_CMD_QUIT = 1,
FIO_NET_CMD_EXIT = 2,
FIO_NET_CMD_JOB = 3,
FIO_NET_CMD_JOBLINE = 4,
FIO_NET_CMD_TEXT = 5,
FIO_NET_CMD_TS = 6,
FIO_NET_CMD_GS = 7,
FIO_NET_CMD_SEND_ETA = 8,
FIO_NET_CMD_ETA = 9,
FIO_NET_CMD_PROBE = 10,
FIO_NET_CMD_START = 11,
FIO_NET_CMD_STOP = 12,
FIO_NET_CMD_DU = 13,
FIO_NET_CMD_SERVER_START = 14,
FIO_NET_CMD_ADD_JOB = 15,
FIO_NET_CMD_RUN = 16,
FIO_NET_CMD_NR = 17,
FIO_NET_CMD_F_MORE = 1UL << 0,
/* crc does not include the crc fields */
FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
2 * sizeof(uint16_t),
FIO_NET_CLIENT_TIMEOUT = 5000,
};
struct cmd_ts_pdu {
struct thread_stat ts;
struct group_run_stats rs;
};
struct cmd_du_pdu {
struct disk_util_stat dus;
struct disk_util_agg agg;
};
struct cmd_probe_pdu {
uint8_t hostname[64];
uint8_t bigendian;
uint8_t fio_major;
uint8_t fio_minor;
uint8_t fio_patch;
uint8_t os;
uint8_t arch;
uint8_t bpp;
};
struct cmd_single_line_pdu {
uint16_t len;
uint8_t text[0];
};
struct cmd_line_pdu {
uint16_t lines;
struct cmd_single_line_pdu options[0];
};
struct cmd_start_pdu {
uint32_t jobs;
};
struct cmd_end_pdu {
uint32_t error;
};
struct cmd_add_job_pdu {
struct thread_options_pack top;
};
struct cmd_text_pdu {
uint32_t level;
uint32_t buf_len;
uint64_t log_sec;
uint64_t log_usec;
uint8_t buf[0];
};
extern int fio_start_server(char *);
extern int fio_server_text_output(int, const char *, size_t);
extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t);
extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
extern void fio_server_set_arg(const char *);
extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *, struct in6_addr *, int *);
extern int fio_server_parse_host(const char *, int *, struct in_addr *, struct in6_addr *);
extern const char *fio_server_op(unsigned int);
extern void fio_server_got_signal(int);
struct thread_stat;
struct group_run_stats;
extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
extern void fio_server_send_gs(struct group_run_stats *);
extern void fio_server_send_du(void);
extern void fio_server_idle_loop(void);
extern int fio_recv_data(int sk, void *p, unsigned int len);
extern int fio_send_data(int sk, const void *p, unsigned int len);
extern void fio_net_cmd_crc(struct fio_net_cmd *);
extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
struct thread_options;
extern void fio_server_send_add_job(struct thread_options *, const char *);
extern int exit_backend;
extern int fio_net_port;
static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
const void *pdu, uint32_t pdu_len,
uint64_t tag)
{
memset(cmd, 0, sizeof(*cmd));
cmd->version = __cpu_to_le16(FIO_SERVER_VER);
cmd->opcode = cpu_to_le16(opcode);
cmd->tag = cpu_to_le64(tag);
if (pdu) {
cmd->pdu_len = cpu_to_le32(pdu_len);
memcpy(&cmd->payload, pdu, pdu_len);
}
}
#endif
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