[fio.git] / server.h

#ifndef FIO_SERVER_H
#define FIO_SERVER_H

#include <inttypes.h>
#include <string.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 */
};

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_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),
};

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(int);
extern int fio_server_text_output(const char *, unsigned int len);
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 sk, uint16_t opcode, uint64_t tag);
extern void fio_server_set_arg(const char *);
extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *);

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>
132159a5	6
a64e88da	7	#include "stat.h"
610a730c	8	#include "os/os.h"
a64e88da	9
132159a5 JA	10	/*
	11	* On-wire encoding is little endian
	12	*/
	13	struct fio_net_cmd {
	14	uint16_t version; /* protocol version */
	15	uint16_t opcode; /* command opcode */
	16	uint32_t flags; /* modifier flags */
af9c9fb3	17	uint64_t tag; /* passed back on reply */
132159a5	18	uint32_t pdu_len; /* length of post-cmd layload */
a64e88da JA	19	/*
	20	* These must be immediately before the payload, anything before
	21	* these fields are checksummed.
	22	*/
fcee5ff6 JA	23	uint16_t cmd_crc16; /* cmd checksum */
fcee5ff6 JA	24	uint16_t pdu_crc16; /* payload checksum */
132159a5 JA	25	uint8_t payload[0]; /* payload */
	26	};
	27
	28	enum {
af9c9fb3	29	FIO_SERVER_VER = 5,
132159a5	30
5cf6be78	31	FIO_SERVER_MAX_PDU = 1024,
132159a5 JA	32
132159a5 JA	33	FIO_NET_CMD_QUIT = 1,
d7959186 JA	34	FIO_NET_CMD_EXIT = 2,
d7959186 JA	35	FIO_NET_CMD_JOB = 3,
81179eec JA	36	FIO_NET_CMD_JOBLINE = 4,
	37	FIO_NET_CMD_TEXT = 5,
	38	FIO_NET_CMD_TS = 6,
	39	FIO_NET_CMD_GS = 7,
af9c9fb3 JA	40	FIO_NET_CMD_SEND_ETA = 8,
	41	FIO_NET_CMD_ETA = 9,
	42	FIO_NET_CMD_PROBE = 10,
	43	FIO_NET_CMD_START = 11,
	44	FIO_NET_CMD_STOP = 12,
794d69ca	45
d7959186	46	FIO_NET_CMD_F_MORE = 1UL << 0,
fcee5ff6 JA	47
	48	/* crc does not include the crc fields */
	49	FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
	50	2 * sizeof(uint16_t),
132159a5 JA	51	};
132159a5 JA	52
a64e88da JA	53	struct cmd_ts_pdu {
	54	struct thread_stat ts;
	55	struct group_run_stats rs;
	56	};
	57
c28e8e8c JA	58	struct cmd_probe_pdu {
c28e8e8c JA	59	uint8_t hostname[64];
6eb24791	60	uint8_t bigendian;
c28e8e8c JA	61	uint8_t fio_major;
	62	uint8_t fio_minor;
	63	uint8_t fio_patch;
cca84643 JA	64	uint8_t os;
cca84643 JA	65	uint8_t arch;
c28e8e8c JA	66	};
c28e8e8c JA	67
fa2ea806 JA	68	struct cmd_single_line_pdu {
	69	uint16_t len;
	70	uint8_t text[0];
	71	};
	72
81179eec	73	struct cmd_line_pdu {
fa2ea806 JA	74	uint16_t lines;
fa2ea806 JA	75	struct cmd_single_line_pdu options[0];
81179eec JA	76	};
81179eec JA	77
e46d8091	78	extern int fio_start_server(int);
142575e6 JA	79	extern int fio_server_text_output(const char *, unsigned int len);
142575e6 JA	80	extern int fio_server_log(const char *format, ...);
af9c9fb3 JA	81	extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t);
af9c9fb3 JA	82	extern int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag);
bebe6398 JA	83	extern void fio_server_set_arg(const char *);
bebe6398 JA	84	extern int fio_server_parse_string(const char , char , int , int , struct in_addr );
a64e88da JA	85
	86	struct thread_stat;
	87	struct group_run_stats;
	88	extern void fio_server_send_ts(struct thread_stat , struct group_run_stats );
	89	extern void fio_server_send_gs(struct group_run_stats *);
cc0df00a	90	extern void fio_server_idle_loop(void);
132159a5	91
a37f69b7 JA	92	extern int fio_clients_connect(void);
a37f69b7 JA	93	extern int fio_clients_send_ini(const char *);
37db14fe	94	extern int fio_handle_clients(void);
bebe6398	95	extern int fio_client_add(const char , void *);
fa2ea806	96	extern void fio_client_add_cmd_option(void , const char );
132159a5 JA	97
	98	extern int fio_recv_data(int sk, void *p, unsigned int len);
	99	extern int fio_send_data(int sk, const void *p, unsigned int len);
	100	extern void fio_net_cmd_crc(struct fio_net_cmd *);
e951bdc4	101	extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
132159a5	102
009b1be4	103	extern int exit_backend;
132159a5 JA	104	extern int fio_net_port;
132159a5 JA	105
4d8f8780	106	static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
af9c9fb3 JA	107	const void *pdu, uint32_t pdu_len,
af9c9fb3 JA	108	uint64_t tag)
132159a5 JA	109	{
132159a5 JA	110	memset(cmd, 0, sizeof(*cmd));
4d8f8780	111
fa2ea806	112	cmd->version = __cpu_to_le16(FIO_SERVER_VER);
82fa6b21	113	cmd->opcode = cpu_to_le16(opcode);
af9c9fb3	114	cmd->tag = cpu_to_le64(tag);
4d8f8780 JA	115
	116	if (pdu) {
	117	cmd->pdu_len = cpu_to_le32(pdu_len);
	118	memcpy(&cmd->payload, pdu, pdu_len);
	119	}
132159a5	120	}
50d16976 JA	121
50d16976 JA	122	#endif