[fio.git] / server.h

#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"

/*
 * 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		= 8,

	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_RUN		= 14,
	FIO_NET_CMD_NR		= 15,

	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_version[32];
	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;
};

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 *, struct in6_addr *, int *);
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	#include <netinet/in.h>
	8
	9	#include "stat.h"
	10	#include "os/os.h"
	11	#include "diskutil.h"
	12
	13	/*
	14	* On-wire encoding is little endian
	15	*/
	16	struct fio_net_cmd {
	17	uint16_t version; /* protocol version */
	18	uint16_t opcode; /* command opcode */
	19	uint32_t flags; /* modifier flags */
	20	uint64_t tag; /* passed back on reply */
	21	uint32_t pdu_len; /* length of post-cmd layload */
	22	/*
	23	* These must be immediately before the payload, anything before
	24	* these fields are checksummed.
	25	*/
	26	uint16_t cmd_crc16; /* cmd checksum */
	27	uint16_t pdu_crc16; /* payload checksum */
	28	uint8_t payload[0]; /* payload */
	29	};
	30
	31	struct fio_net_int_cmd {
	32	struct fio_net_cmd cmd;
	33	struct flist_head list;
	34	struct timeval tv;
	35	uint64_t saved_tag;
	36	};
	37
	38	enum {
	39	FIO_SERVER_VER = 8,
	40
	41	FIO_SERVER_MAX_PDU = 1024,
	42
	43	FIO_NET_CMD_QUIT = 1,
	44	FIO_NET_CMD_EXIT = 2,
	45	FIO_NET_CMD_JOB = 3,
	46	FIO_NET_CMD_JOBLINE = 4,
	47	FIO_NET_CMD_TEXT = 5,
	48	FIO_NET_CMD_TS = 6,
	49	FIO_NET_CMD_GS = 7,
	50	FIO_NET_CMD_SEND_ETA = 8,
	51	FIO_NET_CMD_ETA = 9,
	52	FIO_NET_CMD_PROBE = 10,
	53	FIO_NET_CMD_START = 11,
	54	FIO_NET_CMD_STOP = 12,
	55	FIO_NET_CMD_DU = 13,
	56	FIO_NET_CMD_RUN = 14,
	57	FIO_NET_CMD_NR = 15,
	58
	59	FIO_NET_CMD_F_MORE = 1UL << 0,
	60
	61	/* crc does not include the crc fields */
	62	FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
	63	2 * sizeof(uint16_t),
	64
	65	FIO_NET_CLIENT_TIMEOUT = 5000,
	66	};
	67
	68	struct cmd_ts_pdu {
	69	struct thread_stat ts;
	70	struct group_run_stats rs;
	71	};
	72
	73	struct cmd_du_pdu {
	74	struct disk_util_stat dus;
	75	struct disk_util_agg agg;
	76	};
	77
	78	struct cmd_probe_pdu {
	79	uint8_t hostname[64];
	80	uint8_t bigendian;
	81	uint8_t fio_version[32];
	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	struct cmd_start_pdu {
	98	uint32_t jobs;
	99	};
	100
	101	struct cmd_end_pdu {
	102	uint32_t error;
	103	};
	104
	105	extern int fio_start_server(char *);
	106	extern int fio_server_text_output(const char *, size_t);
	107	extern int fio_server_log(const char *format, ...);
	108	extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t);
	109	extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
	110	extern void fio_server_set_arg(const char *);
	111	extern int fio_server_parse_string(const char , char , int , int , struct in_addr , struct in6_addr , int );
	112	extern const char *fio_server_op(unsigned int);
	113	extern void fio_server_got_signal(int);
	114
	115	struct thread_stat;
	116	struct group_run_stats;
	117	extern void fio_server_send_ts(struct thread_stat , struct group_run_stats );
	118	extern void fio_server_send_gs(struct group_run_stats *);
	119	extern void fio_server_send_du(void);
	120	extern void fio_server_idle_loop(void);
	121
	122	extern int fio_clients_connect(void);
	123	extern int fio_clients_send_ini(const char *);
	124	extern int fio_handle_clients(void);
	125	extern int fio_client_add(const char , void *);
	126	extern void fio_client_add_cmd_option(void , const char );
	127
	128	extern int fio_recv_data(int sk, void *p, unsigned int len);
	129	extern int fio_send_data(int sk, const void *p, unsigned int len);
	130	extern void fio_net_cmd_crc(struct fio_net_cmd *);
	131	extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
	132
	133	extern int exit_backend;
	134	extern int fio_net_port;
	135
	136	static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
	137	const void *pdu, uint32_t pdu_len,
	138	uint64_t tag)
	139	{
	140	memset(cmd, 0, sizeof(*cmd));
	141
	142	cmd->version = __cpu_to_le16(FIO_SERVER_VER);
	143	cmd->opcode = cpu_to_le16(opcode);
	144	cmd->tag = cpu_to_le64(tag);
	145
	146	if (pdu) {
	147	cmd->pdu_len = cpu_to_le32(pdu_len);
	148	memcpy(&cmd->payload, pdu, pdu_len);
	149	}
	150	}
	151
	152	#endif