[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			= 55,

	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_JOB_OPT		= 22,
	FIO_NET_CMD_NR			= 23,

	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];
};

enum {
	XMIT_COMPRESSED		= 1U,
	STORE_COMPRESSED	= 2U,
};

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];
};

struct cmd_job_option {
	uint16_t global;
	uint16_t truncated;
	uint32_t groupid;
	uint8_t name[64];
	uint8_t value[128];
};

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_send_job_options(struct flist_head *, unsigned int);
extern int fio_server_get_verify_state(const char *, int, void **);

extern struct fio_net_cmd *fio_net_recv_cmd(int sk, bool wait);

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_quit(int sk);

extern int fio_server_create_sk_key(void);
extern void fio_server_destroy_sk_key(void);

extern int exit_backend;
extern int fio_net_port;

#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	#define FIO_NET_PORT 8765
	14
	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 */
	22	uint64_t tag; /* passed back on reply */
	23	uint32_t pdu_len; /* length of post-cmd layload */
	24	/*
	25	* These must be immediately before the payload, anything before
	26	* these fields are checksummed.
	27	*/
	28	uint16_t cmd_crc16; /* cmd checksum */
	29	uint16_t pdu_crc16; /* payload checksum */
	30	uint8_t payload[]; /* payload */
	31	};
	32
	33	struct fio_net_cmd_reply {
	34	struct flist_head list;
	35	struct timeval tv;
	36	uint64_t saved_tag;
	37	uint16_t opcode;
	38	};
	39
	40	enum {
	41	FIO_SERVER_VER = 55,
	42
	43	FIO_SERVER_MAX_FRAGMENT_PDU = 1024,
	44	FIO_SERVER_MAX_CMD_MB = 2048,
	45
	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,
	61	FIO_NET_CMD_RUN = 16,
	62	FIO_NET_CMD_IOLOG = 17,
	63	FIO_NET_CMD_UPDATE_JOB = 18,
	64	FIO_NET_CMD_LOAD_FILE = 19,
	65	FIO_NET_CMD_VTRIGGER = 20,
	66	FIO_NET_CMD_SENDFILE = 21,
	67	FIO_NET_CMD_JOB_OPT = 22,
	68	FIO_NET_CMD_NR = 23,
	69
	70	FIO_NET_CMD_F_MORE = 1UL << 0,
	71
	72	/* crc does not include the crc fields */
	73	FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
	74	2 * sizeof(uint16_t),
	75
	76	FIO_NET_NAME_MAX = 256,
	77
	78	FIO_NET_CLIENT_TIMEOUT = 5000,
	79
	80	FIO_PROBE_FLAG_ZLIB = 1UL << 0,
	81	};
	82
	83	struct cmd_sendfile {
	84	uint8_t path[FIO_NET_NAME_MAX];
	85	};
	86
	87	struct cmd_sendfile_reply {
	88	uint32_t size;
	89	uint32_t error;
	90	uint8_t data[0];
	91	};
	92
	93	/*
	94	* Client sends this to server on VTRIGGER, server sends back a full
	95	* all_io_list structure.
	96	*/
	97	struct cmd_vtrigger_pdu {
	98	uint16_t len;
	99	uint8_t cmd[];
	100	};
	101
	102	struct cmd_load_file_pdu {
	103	uint16_t name_len;
	104	uint16_t client_type;
	105	uint8_t file[];
	106	};
	107
	108	struct cmd_ts_pdu {
	109	struct thread_stat ts;
	110	struct group_run_stats rs;
	111	};
	112
	113	struct cmd_du_pdu {
	114	struct disk_util_stat dus;
	115	struct disk_util_agg agg;
	116	};
	117
	118	struct cmd_client_probe_pdu {
	119	uint64_t flags;
	120	uint8_t server[128];
	121	};
	122
	123	struct cmd_probe_reply_pdu {
	124	uint8_t hostname[64];
	125	uint8_t bigendian;
	126	uint8_t fio_version[32];
	127	uint8_t os;
	128	uint8_t arch;
	129	uint8_t bpp;
	130	uint32_t cpus;
	131	uint64_t flags;
	132	};
	133
	134	struct cmd_single_line_pdu {
	135	uint16_t len;
	136	uint8_t text[];
	137	};
	138
	139	struct cmd_line_pdu {
	140	uint16_t lines;
	141	uint16_t client_type;
	142	struct cmd_single_line_pdu options[];
	143	};
	144
	145	struct cmd_job_pdu {
	146	uint32_t buf_len;
	147	uint32_t client_type;
	148	uint8_t buf[0];
	149	};
	150
	151	struct cmd_start_pdu {
	152	uint32_t jobs;
	153	uint32_t stat_outputs;
	154	};
	155
	156	struct cmd_end_pdu {
	157	uint32_t error;
	158	uint32_t signal;
	159	};
	160
	161	struct cmd_add_job_pdu {
	162	uint32_t thread_number;
	163	uint32_t groupid;
	164	struct thread_options_pack top;
	165	};
	166
	167	struct cmd_text_pdu {
	168	uint32_t level;
	169	uint32_t buf_len;
	170	uint64_t log_sec;
	171	uint64_t log_usec;
	172	uint8_t buf[0];
	173	};
	174
	175	enum {
	176	XMIT_COMPRESSED = 1U,
	177	STORE_COMPRESSED = 2U,
	178	};
	179
	180	struct cmd_iolog_pdu {
	181	uint64_t nr_samples;
	182	uint32_t thread_number;
	183	uint32_t log_type;
	184	uint32_t compressed;
	185	uint32_t log_offset;
	186	uint8_t name[FIO_NET_NAME_MAX];
	187	struct io_sample samples[0];
	188	};
	189
	190	struct cmd_job_option {
	191	uint16_t global;
	192	uint16_t truncated;
	193	uint32_t groupid;
	194	uint8_t name[64];
	195	uint8_t value[128];
	196	};
	197
	198	extern int fio_start_server(char *);
	199	extern int fio_server_text_output(int, const char *, size_t);
	200	extern int fio_net_send_cmd(int, uint16_t, const void , off_t, uint64_t , struct flist_head *);
	201	extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
	202	extern void fio_server_set_arg(const char *);
	203	extern int fio_server_parse_string(const char , char , int , int , struct in_addr , struct in6_addr , int );
	204	extern int fio_server_parse_host(const char , int, struct in_addr , struct in6_addr *);
	205	extern const char *fio_server_op(unsigned int);
	206	extern void fio_server_got_signal(int);
	207
	208	struct thread_stat;
	209	struct group_run_stats;
	210	extern void fio_server_send_ts(struct thread_stat , struct group_run_stats );
	211	extern void fio_server_send_gs(struct group_run_stats *);
	212	extern void fio_server_send_du(void);
	213	extern void fio_server_send_job_options(struct flist_head *, unsigned int);
	214	extern int fio_server_get_verify_state(const char , int, void *);
	215
	216	extern struct fio_net_cmd *fio_net_recv_cmd(int sk, bool wait);
	217
	218	extern int fio_send_iolog(struct thread_data , struct io_log , const char *);
	219	extern void fio_server_send_add_job(struct thread_data *);
	220	extern void fio_server_send_start(struct thread_data *);
	221	extern int fio_net_send_quit(int sk);
	222
	223	extern int fio_server_create_sk_key(void);
	224	extern void fio_server_destroy_sk_key(void);
	225
	226	extern int exit_backend;
	227	extern int fio_net_port;
	228
	229	#endif