[fio.git] / server.h

#ifndef FIO_SERVER_H
#define FIO_SERVER_H

#include <inttypes.h>
#include <string.h>
#include <sys/time.h>

#include "stat.h"
#include "os/os.h"
#include "diskutil.h"

/*
 * 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		= 5,

	FIO_SERVER_MAX_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_NR		= 14,

	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];
};

extern int fio_start_server(char *);
extern int fio_server_text_output(const char *, size_t);
extern int fio_server_log(const char *format, ...);
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 *);
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_clients_connect(void);
extern int fio_clients_send_ini(const char *);
extern int fio_handle_clients(void);
extern int fio_client_add(const char *, void **);
extern void fio_client_add_cmd_option(void *, const char *);

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);

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
Commit	Line	Data
	1	#ifndef FIO_SERVER_H
	2	#define FIO_SERVER_H
	3
	4	#include <inttypes.h>
	5	#include <string.h>
	6	#include <sys/time.h>
	7
	8	#include "stat.h"
	9	#include "os/os.h"
	10	#include "diskutil.h"
	11
	12	/*
	13	* On-wire encoding is little endian
	14	*/
	15	struct fio_net_cmd {
	16	uint16_t version; /* protocol version */
	17	uint16_t opcode; /* command opcode */
	18	uint32_t flags; /* modifier flags */
	19	uint64_t tag; /* passed back on reply */
	20	uint32_t pdu_len; /* length of post-cmd layload */
	21	/*
	22	* These must be immediately before the payload, anything before
	23	* these fields are checksummed.
	24	*/
	25	uint16_t cmd_crc16; /* cmd checksum */
	26	uint16_t pdu_crc16; /* payload checksum */
	27	uint8_t payload[0]; /* payload */
	28	};
	29
	30	struct fio_net_int_cmd {
	31	struct fio_net_cmd cmd;
	32	struct flist_head list;
	33	struct timeval tv;
	34	uint64_t saved_tag;
	35	};
	36
	37	enum {
	38	FIO_SERVER_VER = 5,
	39
	40	FIO_SERVER_MAX_PDU = 1024,
	41
	42	FIO_NET_CMD_QUIT = 1,
	43	FIO_NET_CMD_EXIT = 2,
	44	FIO_NET_CMD_JOB = 3,
	45	FIO_NET_CMD_JOBLINE = 4,
	46	FIO_NET_CMD_TEXT = 5,
	47	FIO_NET_CMD_TS = 6,
	48	FIO_NET_CMD_GS = 7,
	49	FIO_NET_CMD_SEND_ETA = 8,
	50	FIO_NET_CMD_ETA = 9,
	51	FIO_NET_CMD_PROBE = 10,
	52	FIO_NET_CMD_START = 11,
	53	FIO_NET_CMD_STOP = 12,
	54	FIO_NET_CMD_DU = 13,
	55	FIO_NET_CMD_NR = 14,
	56
	57	FIO_NET_CMD_F_MORE = 1UL << 0,
	58
	59	/* crc does not include the crc fields */
	60	FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
	61	2 * sizeof(uint16_t),
	62
	63	FIO_NET_CLIENT_TIMEOUT = 5000,
	64	};
	65
	66	struct cmd_ts_pdu {
	67	struct thread_stat ts;
	68	struct group_run_stats rs;
	69	};
	70
	71	struct cmd_du_pdu {
	72	struct disk_util_stat dus;
	73	struct disk_util_agg agg;
	74	};
	75
	76	struct cmd_probe_pdu {
	77	uint8_t hostname[64];
	78	uint8_t bigendian;
	79	uint8_t fio_major;
	80	uint8_t fio_minor;
	81	uint8_t fio_patch;
	82	uint8_t os;
	83	uint8_t arch;
	84	uint8_t bpp;
	85	};
	86
	87	struct cmd_single_line_pdu {
	88	uint16_t len;
	89	uint8_t text[0];
	90	};
	91
	92	struct cmd_line_pdu {
	93	uint16_t lines;
	94	struct cmd_single_line_pdu options[0];
	95	};
	96
	97	extern int fio_start_server(char *);
	98	extern int fio_server_text_output(const char *, size_t);
	99	extern int fio_server_log(const char *format, ...);
	100	extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t);
	101	extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
	102	extern void fio_server_set_arg(const char *);
	103	extern int fio_server_parse_string(const char , char , int , int , struct in_addr );
	104	extern const char *fio_server_op(unsigned int);
	105	extern void fio_server_got_signal(int);
	106
	107	struct thread_stat;
	108	struct group_run_stats;
	109	extern void fio_server_send_ts(struct thread_stat , struct group_run_stats );
	110	extern void fio_server_send_gs(struct group_run_stats *);
	111	extern void fio_server_send_du(void);
	112	extern void fio_server_idle_loop(void);
	113
	114	extern int fio_clients_connect(void);
	115	extern int fio_clients_send_ini(const char *);
	116	extern int fio_handle_clients(void);
	117	extern int fio_client_add(const char , void *);
	118	extern void fio_client_add_cmd_option(void , const char );
	119
	120	extern int fio_recv_data(int sk, void *p, unsigned int len);
	121	extern int fio_send_data(int sk, const void *p, unsigned int len);
	122	extern void fio_net_cmd_crc(struct fio_net_cmd *);
	123	extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
	124
	125	extern int exit_backend;
	126	extern int fio_net_port;
	127
	128	static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
	129	const void *pdu, uint32_t pdu_len,
	130	uint64_t tag)
	131	{
	132	memset(cmd, 0, sizeof(*cmd));
	133
	134	cmd->version = __cpu_to_le16(FIO_SERVER_VER);
	135	cmd->opcode = cpu_to_le16(opcode);
	136	cmd->tag = cpu_to_le64(tag);
	137
	138	if (pdu) {
	139	cmd->pdu_len = cpu_to_le32(pdu_len);
	140	memcpy(&cmd->payload, pdu, pdu_len);
	141	}
	142	}
	143
	144	#endif