[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"

/*
 * 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_NR		= 13,

	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_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;
};

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);

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_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
50d16976 JA	1	#ifndef FIO_SERVER_H
	2	#define FIO_SERVER_H
	3
132159a5	4	#include <inttypes.h>
142575e6	5	#include <string.h>
89c1707c	6	#include <sys/time.h>
132159a5	7
a64e88da	8	#include "stat.h"
610a730c	9	#include "os/os.h"
a64e88da	10
132159a5 JA	11	/*
	12	* On-wire encoding is little endian
	13	*/
	14	struct fio_net_cmd {
	15	uint16_t version; /* protocol version */
	16	uint16_t opcode; /* command opcode */
	17	uint32_t flags; /* modifier flags */
af9c9fb3	18	uint64_t tag; /* passed back on reply */
132159a5	19	uint32_t pdu_len; /* length of post-cmd layload */
a64e88da JA	20	/*
	21	* These must be immediately before the payload, anything before
	22	* these fields are checksummed.
	23	*/
fcee5ff6 JA	24	uint16_t cmd_crc16; /* cmd checksum */
fcee5ff6 JA	25	uint16_t pdu_crc16; /* payload checksum */
132159a5 JA	26	uint8_t payload[0]; /* payload */
	27	};
	28
89c1707c JA	29	struct fio_net_int_cmd {
	30	struct fio_net_cmd cmd;
	31	struct flist_head list;
	32	struct timeval tv;
	33	uint64_t saved_tag;
	34	};
	35
132159a5	36	enum {
af9c9fb3	37	FIO_SERVER_VER = 5,
132159a5	38
5cf6be78	39	FIO_SERVER_MAX_PDU = 1024,
132159a5 JA	40
132159a5 JA	41	FIO_NET_CMD_QUIT = 1,
d7959186 JA	42	FIO_NET_CMD_EXIT = 2,
d7959186 JA	43	FIO_NET_CMD_JOB = 3,
81179eec JA	44	FIO_NET_CMD_JOBLINE = 4,
	45	FIO_NET_CMD_TEXT = 5,
	46	FIO_NET_CMD_TS = 6,
	47	FIO_NET_CMD_GS = 7,
af9c9fb3 JA	48	FIO_NET_CMD_SEND_ETA = 8,
	49	FIO_NET_CMD_ETA = 9,
	50	FIO_NET_CMD_PROBE = 10,
	51	FIO_NET_CMD_START = 11,
	52	FIO_NET_CMD_STOP = 12,
89c1707c	53	FIO_NET_CMD_NR = 13,
794d69ca	54
d7959186	55	FIO_NET_CMD_F_MORE = 1UL << 0,
fcee5ff6 JA	56
	57	/* crc does not include the crc fields */
	58	FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
	59	2 * sizeof(uint16_t),
89c1707c JA	60
89c1707c JA	61	FIO_NET_CLIENT_TIMEOUT = 5000,
132159a5 JA	62	};
132159a5 JA	63
a64e88da JA	64	struct cmd_ts_pdu {
	65	struct thread_stat ts;
	66	struct group_run_stats rs;
	67	};
	68
c28e8e8c JA	69	struct cmd_probe_pdu {
c28e8e8c JA	70	uint8_t hostname[64];
6eb24791	71	uint8_t bigendian;
c28e8e8c JA	72	uint8_t fio_major;
	73	uint8_t fio_minor;
	74	uint8_t fio_patch;
cca84643 JA	75	uint8_t os;
cca84643 JA	76	uint8_t arch;
c28e8e8c JA	77	};
c28e8e8c JA	78
fa2ea806 JA	79	struct cmd_single_line_pdu {
	80	uint16_t len;
	81	uint8_t text[0];
	82	};
	83
81179eec	84	struct cmd_line_pdu {
fa2ea806 JA	85	uint16_t lines;
fa2ea806 JA	86	struct cmd_single_line_pdu options[0];
81179eec JA	87	};
81179eec JA	88
402668f3	89	extern int fio_start_server(char *);
13755d94	90	extern int fio_server_text_output(const char *, size_t);
142575e6	91	extern int fio_server_log(const char *format, ...);
af9c9fb3	92	extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t);
89c1707c	93	extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
bebe6398 JA	94	extern void fio_server_set_arg(const char *);
bebe6398 JA	95	extern int fio_server_parse_string(const char , char , int , int , struct in_addr );
89c1707c	96	extern const char *fio_server_op(unsigned int);
a64e88da JA	97
	98	struct thread_stat;
	99	struct group_run_stats;
	100	extern void fio_server_send_ts(struct thread_stat , struct group_run_stats );
	101	extern void fio_server_send_gs(struct group_run_stats *);
cc0df00a	102	extern void fio_server_idle_loop(void);
132159a5	103
a37f69b7 JA	104	extern int fio_clients_connect(void);
a37f69b7 JA	105	extern int fio_clients_send_ini(const char *);
37db14fe	106	extern int fio_handle_clients(void);
bebe6398	107	extern int fio_client_add(const char , void *);
fa2ea806	108	extern void fio_client_add_cmd_option(void , const char );
132159a5 JA	109
	110	extern int fio_recv_data(int sk, void *p, unsigned int len);
	111	extern int fio_send_data(int sk, const void *p, unsigned int len);
	112	extern void fio_net_cmd_crc(struct fio_net_cmd *);
e951bdc4	113	extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
132159a5	114
009b1be4	115	extern int exit_backend;
132159a5 JA	116	extern int fio_net_port;
132159a5 JA	117
4d8f8780	118	static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
af9c9fb3 JA	119	const void *pdu, uint32_t pdu_len,
af9c9fb3 JA	120	uint64_t tag)
132159a5 JA	121	{
132159a5 JA	122	memset(cmd, 0, sizeof(*cmd));
4d8f8780	123
fa2ea806	124	cmd->version = __cpu_to_le16(FIO_SERVER_VER);
82fa6b21	125	cmd->opcode = cpu_to_le16(opcode);
af9c9fb3	126	cmd->tag = cpu_to_le64(tag);
4d8f8780 JA	127
	128	if (pdu) {
	129	cmd->pdu_len = cpu_to_le32(pdu_len);
	130	memcpy(&cmd->payload, pdu, pdu_len);
	131	}
132159a5	132	}
50d16976 JA	133
50d16976 JA	134	#endif