[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"

#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[];	/* payload */
};

struct fio_net_cmd_reply {
	struct flist_head list;
	struct timeval tv;
	uint64_t saved_tag;
	uint16_t opcode;
};

enum {
	FIO_SERVER_VER			= 42,

	FIO_SERVER_MAX_FRAGMENT_PDU	= 1024,
	FIO_SERVER_MAX_CMD_MB		= 2048,

	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_IOLOG		= 17,
	FIO_NET_CMD_UPDATE_JOB		= 18,
	FIO_NET_CMD_LOAD_FILE		= 19,
	FIO_NET_CMD_VTRIGGER		= 20,
	FIO_NET_CMD_SENDFILE		= 21,
	FIO_NET_CMD_NR			= 22,

	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_NAME_MAX		= 256,

	FIO_NET_CLIENT_TIMEOUT		= 5000,

	FIO_PROBE_FLAG_ZLIB		= 1UL << 0,
};

struct cmd_sendfile {
	uint8_t path[FIO_NET_NAME_MAX];
};

struct cmd_sendfile_reply {
	uint32_t size;
	uint32_t error;
	uint8_t data[0];
};

/*
 * Client sends this to server on VTRIGGER, server sends back a full
 * all_io_list structure.
 */
struct cmd_vtrigger_pdu {
	uint16_t len;
	uint8_t cmd[];
};

struct cmd_load_file_pdu {
	uint16_t name_len;
	uint16_t client_type;
	uint8_t file[];
};

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_client_probe_pdu {
	uint64_t flags;
	uint8_t server[128];
};

struct cmd_probe_reply_pdu {
	uint8_t hostname[64];
	uint8_t bigendian;
	uint8_t fio_version[32];
	uint8_t os;
	uint8_t arch;
	uint8_t bpp;
	uint32_t cpus;
	uint64_t flags;
};

struct cmd_single_line_pdu {
	uint16_t len;
	uint8_t text[];
};

struct cmd_line_pdu {
	uint16_t lines;
	uint16_t client_type;
	struct cmd_single_line_pdu options[];
};

struct cmd_job_pdu {
	uint32_t buf_len;
	uint32_t client_type;
	uint8_t buf[0];
};

struct cmd_start_pdu {
	uint32_t jobs;
	uint32_t stat_outputs;
};

struct cmd_end_pdu {
	uint32_t error;
	uint32_t signal;
};

struct cmd_add_job_pdu {
	uint32_t thread_number;
	uint32_t groupid;
	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];
};

struct cmd_iolog_pdu {
	uint64_t nr_samples;
	uint32_t thread_number;
	uint32_t log_type;
	uint32_t compressed;
	uint32_t log_offset;
	uint8_t name[FIO_NET_NAME_MAX];
	struct io_sample samples[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 *, struct flist_head *);
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_server_get_verify_state(const char *, int, 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 void fio_net_cmd_crc_pdu(struct fio_net_cmd *, const void *);
extern struct fio_net_cmd *fio_net_recv_cmd(int sk);

extern int fio_send_iolog(struct thread_data *, struct io_log *, const char *);
extern void fio_server_send_add_job(struct thread_data *);
extern void fio_server_send_start(struct thread_data *);
extern int fio_net_send_stop(int sk, int error, int signal);
extern int fio_net_send_quit(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,
				      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);
	cmd->pdu_len	= cpu_to_le32(pdu_len);
}


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)
{
	__fio_init_net_cmd(cmd, opcode, pdu_len, tag);

	if (pdu)
		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>
811826be	7	#include <netinet/in.h>
132159a5	8
a64e88da	9	#include "stat.h"
610a730c	10	#include "os/os.h"
d09a64a0	11	#include "diskutil.h"
a64e88da	12
5adc2447 SC	13	#define FIO_NET_PORT 8765
5adc2447 SC	14
132159a5 JA	15	/*
	16	* On-wire encoding is little endian
	17	*/
	18	struct fio_net_cmd {
	19	uint16_t version; /* protocol version */
	20	uint16_t opcode; /* command opcode */
	21	uint32_t flags; /* modifier flags */
af9c9fb3	22	uint64_t tag; /* passed back on reply */
132159a5	23	uint32_t pdu_len; /* length of post-cmd layload */
a64e88da JA	24	/*
	25	* These must be immediately before the payload, anything before
	26	* these fields are checksummed.
	27	*/
fcee5ff6 JA	28	uint16_t cmd_crc16; /* cmd checksum */
fcee5ff6 JA	29	uint16_t pdu_crc16; /* payload checksum */
372aecb9	30	uint8_t payload[]; /* payload */
132159a5 JA	31	};
132159a5 JA	32
40c60516	33	struct fio_net_cmd_reply {
89c1707c JA	34	struct flist_head list;
	35	struct timeval tv;
	36	uint64_t saved_tag;
40c60516	37	uint16_t opcode;
89c1707c JA	38	};
89c1707c JA	39
132159a5	40	enum {
79c896a1	41	FIO_SERVER_VER = 42,
132159a5	42
b9d2f30a	43	FIO_SERVER_MAX_FRAGMENT_PDU = 1024,
dfbf1f6f	44	FIO_SERVER_MAX_CMD_MB = 2048,
132159a5	45
5d7793aa JA	46	FIO_NET_CMD_QUIT = 1,
	47	FIO_NET_CMD_EXIT = 2,
	48	FIO_NET_CMD_JOB = 3,
	49	FIO_NET_CMD_JOBLINE = 4,
	50	FIO_NET_CMD_TEXT = 5,
	51	FIO_NET_CMD_TS = 6,
	52	FIO_NET_CMD_GS = 7,
	53	FIO_NET_CMD_SEND_ETA = 8,
	54	FIO_NET_CMD_ETA = 9,
	55	FIO_NET_CMD_PROBE = 10,
	56	FIO_NET_CMD_START = 11,
	57	FIO_NET_CMD_STOP = 12,
	58	FIO_NET_CMD_DU = 13,
	59	FIO_NET_CMD_SERVER_START = 14,
	60	FIO_NET_CMD_ADD_JOB = 15,
b9d2f30a	61	FIO_NET_CMD_RUN = 16,
1b42725f	62	FIO_NET_CMD_IOLOG = 17,
f58bd2a4	63	FIO_NET_CMD_UPDATE_JOB = 18,
323255cc	64	FIO_NET_CMD_LOAD_FILE = 19,
ca09be4b JA	65	FIO_NET_CMD_VTRIGGER = 20,
	66	FIO_NET_CMD_SENDFILE = 21,
	67	FIO_NET_CMD_NR = 22,
794d69ca	68
5d7793aa	69	FIO_NET_CMD_F_MORE = 1UL << 0,
fcee5ff6 JA	70
fcee5ff6 JA	71	/* crc does not include the crc fields */
5d7793aa JA	72	FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
5d7793aa JA	73	2 * sizeof(uint16_t),
89c1707c	74
1b42725f JA	75	FIO_NET_NAME_MAX = 256,
1b42725f JA	76
5d7793aa	77	FIO_NET_CLIENT_TIMEOUT = 5000,
3989b143 JA	78
3989b143 JA	79	FIO_PROBE_FLAG_ZLIB = 1UL << 0,
132159a5 JA	80	};
132159a5 JA	81
ca09be4b JA	82	struct cmd_sendfile {
	83	uint8_t path[FIO_NET_NAME_MAX];
	84	};
	85
	86	struct cmd_sendfile_reply {
	87	uint32_t size;
	88	uint32_t error;
	89	uint8_t data[0];
	90	};
	91
	92	/*
	93	* Client sends this to server on VTRIGGER, server sends back a full
	94	* all_io_list structure.
	95	*/
	96	struct cmd_vtrigger_pdu {
	97	uint16_t len;
	98	uint8_t cmd[];
	99	};
	100
323255cc JA	101	struct cmd_load_file_pdu {
	102	uint16_t name_len;
	103	uint16_t client_type;
	104	uint8_t file[];
	105	};
	106
a64e88da JA	107	struct cmd_ts_pdu {
	108	struct thread_stat ts;
	109	struct group_run_stats rs;
	110	};
	111
d09a64a0 JA	112	struct cmd_du_pdu {
	113	struct disk_util_stat dus;
	114	struct disk_util_agg agg;
	115	};
	116
3989b143 JA	117	struct cmd_client_probe_pdu {
3989b143 JA	118	uint64_t flags;
ca09be4b	119	uint8_t server[128];
3989b143 JA	120	};
	121
	122	struct cmd_probe_reply_pdu {
c28e8e8c	123	uint8_t hostname[64];
6eb24791	124	uint8_t bigendian;
750db473	125	uint8_t fio_version[32];
cca84643 JA	126	uint8_t os;
cca84643 JA	127	uint8_t arch;
38fdef22	128	uint8_t bpp;
d31e26d0 JA	129	uint32_t cpus;
d31e26d0 JA	130	uint64_t flags;
c28e8e8c JA	131	};
c28e8e8c JA	132
fa2ea806 JA	133	struct cmd_single_line_pdu {
fa2ea806 JA	134	uint16_t len;
372aecb9	135	uint8_t text[];
fa2ea806 JA	136	};
fa2ea806 JA	137
81179eec	138	struct cmd_line_pdu {
fa2ea806	139	uint16_t lines;
46bcd498	140	uint16_t client_type;
372aecb9	141	struct cmd_single_line_pdu options[];
81179eec JA	142	};
81179eec JA	143
46bcd498 JA	144	struct cmd_job_pdu {
	145	uint32_t buf_len;
	146	uint32_t client_type;
	147	uint8_t buf[0];
	148	};
	149
11e950bd JA	150	struct cmd_start_pdu {
11e950bd JA	151	uint32_t jobs;
108fea77	152	uint32_t stat_outputs;
11e950bd JA	153	};
	154
	155	struct cmd_end_pdu {
	156	uint32_t error;
122c7725	157	uint32_t signal;
11e950bd JA	158	};
11e950bd JA	159
807f9971	160	struct cmd_add_job_pdu {
2f122b13 JA	161	uint32_t thread_number;
2f122b13 JA	162	uint32_t groupid;
dcaeb606	163	struct thread_options_pack top;
807f9971 JA	164	};
807f9971 JA	165
084d1c6f JA	166	struct cmd_text_pdu {
	167	uint32_t level;
	168	uint32_t buf_len;
	169	uint64_t log_sec;
	170	uint64_t log_usec;
	171	uint8_t buf[0];
	172	};
	173
1b42725f	174	struct cmd_iolog_pdu {
ae588852	175	uint64_t nr_samples;
2f122b13	176	uint32_t thread_number;
1b42725f	177	uint32_t log_type;
3989b143	178	uint32_t compressed;
ae588852	179	uint32_t log_offset;
1b42725f JA	180	uint8_t name[FIO_NET_NAME_MAX];
	181	struct io_sample samples[0];
	182	};
	183
402668f3	184	extern int fio_start_server(char *);
084d1c6f	185	extern int fio_server_text_output(int, const char *, size_t);
40c60516	186	extern int fio_net_send_cmd(int, uint16_t, const void , off_t, uint64_t , struct flist_head *);
89c1707c	187	extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
bebe6398	188	extern void fio_server_set_arg(const char *);
811826be	189	extern int fio_server_parse_string(const char , char , int , int , struct in_addr , struct in6_addr , int );
3aa3ceeb	190	extern int fio_server_parse_host(const char , int, struct in_addr , struct in6_addr *);
89c1707c	191	extern const char *fio_server_op(unsigned int);
7b821684	192	extern void fio_server_got_signal(int);
a64e88da JA	193
	194	struct thread_stat;
	195	struct group_run_stats;
	196	extern void fio_server_send_ts(struct thread_stat , struct group_run_stats );
	197	extern void fio_server_send_gs(struct group_run_stats *);
d09a64a0	198	extern void fio_server_send_du(void);
cc0df00a	199	extern void fio_server_idle_loop(void);
ca09be4b	200	extern int fio_server_get_verify_state(const char , int, void *);
132159a5	201
132159a5 JA	202	extern int fio_recv_data(int sk, void *p, unsigned int len);
	203	extern int fio_send_data(int sk, const void *p, unsigned int len);
	204	extern void fio_net_cmd_crc(struct fio_net_cmd *);
53bd8dbc	205	extern void fio_net_cmd_crc_pdu(struct fio_net_cmd , const void );
e951bdc4	206	extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
132159a5	207
1b42725f	208	extern int fio_send_iolog(struct thread_data , struct io_log , const char *);
2f122b13	209	extern void fio_server_send_add_job(struct thread_data *);
122c7725 JA	210	extern void fio_server_send_start(struct thread_data *);
	211	extern int fio_net_send_stop(int sk, int error, int signal);
	212	extern int fio_net_send_quit(int sk);
807f9971	213
009b1be4	214	extern int exit_backend;
132159a5 JA	215	extern int fio_net_port;
132159a5 JA	216
1b42725f JA	217	static inline void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
1b42725f JA	218	uint32_t pdu_len, uint64_t tag)
132159a5 JA	219	{
132159a5 JA	220	memset(cmd, 0, sizeof(*cmd));
4d8f8780	221
fa2ea806	222	cmd->version = __cpu_to_le16(FIO_SERVER_VER);
82fa6b21	223	cmd->opcode = cpu_to_le16(opcode);
af9c9fb3	224	cmd->tag = cpu_to_le64(tag);
1b42725f JA	225	cmd->pdu_len = cpu_to_le32(pdu_len);
	226	}
	227
	228
	229	static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
	230	const void *pdu, uint32_t pdu_len,
	231	uint64_t tag)
	232	{
	233	__fio_init_net_cmd(cmd, opcode, pdu_len, tag);
4d8f8780	234
1b42725f	235	if (pdu)
4d8f8780	236	memcpy(&cmd->payload, pdu, pdu_len);
132159a5	237	}
50d16976 JA	238
50d16976 JA	239	#endif