[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[0];	/* payload */
};

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

enum {
	FIO_SERVER_VER			= 18,

	FIO_SERVER_MAX_FRAGMENT_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_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_NR			= 19,

	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,
};

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;
	uint32_t cpus;
	uint64_t flags;
};

struct cmd_single_line_pdu {
	uint16_t len;
	uint8_t text[0];
};

struct cmd_line_pdu {
	uint16_t lines;
	uint16_t client_type;
	struct cmd_single_line_pdu options[0];
};

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

struct cmd_start_pdu {
	uint32_t jobs;
};

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 {
	uint32_t thread_number;
	uint32_t nr_samples;
	uint32_t log_type;
	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_clients_connect(void);
extern int fio_clients_send_ini(const char *);
extern void fio_client_add_cmd_option(void *, const char *);
extern void fio_client_add_ini_file(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 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
	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[0]; /* 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 = 18,
	42
	43	FIO_SERVER_MAX_FRAGMENT_PDU = 1024,
	44
	45	FIO_NET_CMD_QUIT = 1,
	46	FIO_NET_CMD_EXIT = 2,
	47	FIO_NET_CMD_JOB = 3,
	48	FIO_NET_CMD_JOBLINE = 4,
	49	FIO_NET_CMD_TEXT = 5,
	50	FIO_NET_CMD_TS = 6,
	51	FIO_NET_CMD_GS = 7,
	52	FIO_NET_CMD_SEND_ETA = 8,
	53	FIO_NET_CMD_ETA = 9,
	54	FIO_NET_CMD_PROBE = 10,
	55	FIO_NET_CMD_START = 11,
	56	FIO_NET_CMD_STOP = 12,
	57	FIO_NET_CMD_DU = 13,
	58	FIO_NET_CMD_SERVER_START = 14,
	59	FIO_NET_CMD_ADD_JOB = 15,
	60	FIO_NET_CMD_RUN = 16,
	61	FIO_NET_CMD_IOLOG = 17,
	62	FIO_NET_CMD_UPDATE_JOB = 18,
	63	FIO_NET_CMD_NR = 19,
	64
	65	FIO_NET_CMD_F_MORE = 1UL << 0,
	66
	67	/* crc does not include the crc fields */
	68	FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
	69	2 * sizeof(uint16_t),
	70
	71	FIO_NET_NAME_MAX = 256,
	72
	73	FIO_NET_CLIENT_TIMEOUT = 5000,
	74	};
	75
	76	struct cmd_ts_pdu {
	77	struct thread_stat ts;
	78	struct group_run_stats rs;
	79	};
	80
	81	struct cmd_du_pdu {
	82	struct disk_util_stat dus;
	83	struct disk_util_agg agg;
	84	};
	85
	86	struct cmd_probe_pdu {
	87	uint8_t hostname[64];
	88	uint8_t bigendian;
	89	uint8_t fio_version[32];
	90	uint8_t os;
	91	uint8_t arch;
	92	uint8_t bpp;
	93	uint32_t cpus;
	94	uint64_t flags;
	95	};
	96
	97	struct cmd_single_line_pdu {
	98	uint16_t len;
	99	uint8_t text[0];
	100	};
	101
	102	struct cmd_line_pdu {
	103	uint16_t lines;
	104	uint16_t client_type;
	105	struct cmd_single_line_pdu options[0];
	106	};
	107
	108	struct cmd_job_pdu {
	109	uint32_t buf_len;
	110	uint32_t client_type;
	111	uint8_t buf[0];
	112	};
	113
	114	struct cmd_start_pdu {
	115	uint32_t jobs;
	116	};
	117
	118	struct cmd_end_pdu {
	119	uint32_t error;
	120	uint32_t signal;
	121	};
	122
	123	struct cmd_add_job_pdu {
	124	uint32_t thread_number;
	125	uint32_t groupid;
	126	struct thread_options_pack top;
	127	};
	128
	129	struct cmd_text_pdu {
	130	uint32_t level;
	131	uint32_t buf_len;
	132	uint64_t log_sec;
	133	uint64_t log_usec;
	134	uint8_t buf[0];
	135	};
	136
	137	struct cmd_iolog_pdu {
	138	uint32_t thread_number;
	139	uint32_t nr_samples;
	140	uint32_t log_type;
	141	uint8_t name[FIO_NET_NAME_MAX];
	142	struct io_sample samples[0];
	143	};
	144
	145	extern int fio_start_server(char *);
	146	extern int fio_server_text_output(int, const char *, size_t);
	147	extern int fio_net_send_cmd(int, uint16_t, const void , off_t, uint64_t , struct flist_head *);
	148	extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
	149	extern void fio_server_set_arg(const char *);
	150	extern int fio_server_parse_string(const char , char , int , int , struct in_addr , struct in6_addr , int );
	151	extern int fio_server_parse_host(const char , int , struct in_addr , struct in6_addr );
	152	extern const char *fio_server_op(unsigned int);
	153	extern void fio_server_got_signal(int);
	154
	155	struct thread_stat;
	156	struct group_run_stats;
	157	extern void fio_server_send_ts(struct thread_stat , struct group_run_stats );
	158	extern void fio_server_send_gs(struct group_run_stats *);
	159	extern void fio_server_send_du(void);
	160	extern void fio_server_idle_loop(void);
	161
	162	extern int fio_clients_connect(void);
	163	extern int fio_clients_send_ini(const char *);
	164	extern void fio_client_add_cmd_option(void , const char );
	165	extern void fio_client_add_ini_file(void , const char );
	166
	167	extern int fio_recv_data(int sk, void *p, unsigned int len);
	168	extern int fio_send_data(int sk, const void *p, unsigned int len);
	169	extern void fio_net_cmd_crc(struct fio_net_cmd *);
	170	extern void fio_net_cmd_crc_pdu(struct fio_net_cmd , const void );
	171	extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
	172
	173	extern int fio_send_iolog(struct thread_data , struct io_log , const char *);
	174	extern void fio_server_send_add_job(struct thread_data *);
	175	extern void fio_server_send_start(struct thread_data *);
	176	extern int fio_net_send_stop(int sk, int error, int signal);
	177	extern int fio_net_send_quit(int sk);
	178
	179	extern int exit_backend;
	180	extern int fio_net_port;
	181
	182	static inline void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
	183	uint32_t pdu_len, uint64_t tag)
	184	{
	185	memset(cmd, 0, sizeof(*cmd));
	186
	187	cmd->version = __cpu_to_le16(FIO_SERVER_VER);
	188	cmd->opcode = cpu_to_le16(opcode);
	189	cmd->tag = cpu_to_le64(tag);
	190	cmd->pdu_len = cpu_to_le32(pdu_len);
	191	}
	192
	193
	194	static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
	195	const void *pdu, uint32_t pdu_len,
	196	uint64_t tag)
	197	{
	198	__fio_init_net_cmd(cmd, opcode, pdu_len, tag);
	199
	200	if (pdu)
	201	memcpy(&cmd->payload, pdu, pdu_len);
	202	}
	203
	204	#endif