client/server: add support for passing disk_util structures
[fio.git] / server.h
CommitLineData
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"
d09a64a0 10#include "diskutil.h"
a64e88da 11
132159a5
JA
12/*
13 * On-wire encoding is little endian
14 */
15struct fio_net_cmd {
16 uint16_t version; /* protocol version */
17 uint16_t opcode; /* command opcode */
18 uint32_t flags; /* modifier flags */
af9c9fb3 19 uint64_t tag; /* passed back on reply */
132159a5 20 uint32_t pdu_len; /* length of post-cmd layload */
a64e88da
JA
21 /*
22 * These must be immediately before the payload, anything before
23 * these fields are checksummed.
24 */
fcee5ff6
JA
25 uint16_t cmd_crc16; /* cmd checksum */
26 uint16_t pdu_crc16; /* payload checksum */
132159a5
JA
27 uint8_t payload[0]; /* payload */
28};
29
89c1707c
JA
30struct fio_net_int_cmd {
31 struct fio_net_cmd cmd;
32 struct flist_head list;
33 struct timeval tv;
34 uint64_t saved_tag;
35};
36
132159a5 37enum {
af9c9fb3 38 FIO_SERVER_VER = 5,
132159a5 39
5cf6be78 40 FIO_SERVER_MAX_PDU = 1024,
132159a5
JA
41
42 FIO_NET_CMD_QUIT = 1,
d7959186
JA
43 FIO_NET_CMD_EXIT = 2,
44 FIO_NET_CMD_JOB = 3,
81179eec
JA
45 FIO_NET_CMD_JOBLINE = 4,
46 FIO_NET_CMD_TEXT = 5,
47 FIO_NET_CMD_TS = 6,
48 FIO_NET_CMD_GS = 7,
af9c9fb3
JA
49 FIO_NET_CMD_SEND_ETA = 8,
50 FIO_NET_CMD_ETA = 9,
51 FIO_NET_CMD_PROBE = 10,
52 FIO_NET_CMD_START = 11,
53 FIO_NET_CMD_STOP = 12,
d09a64a0
JA
54 FIO_NET_CMD_DU = 13,
55 FIO_NET_CMD_NR = 14,
794d69ca 56
d7959186 57 FIO_NET_CMD_F_MORE = 1UL << 0,
fcee5ff6
JA
58
59 /* crc does not include the crc fields */
60 FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
61 2 * sizeof(uint16_t),
89c1707c
JA
62
63 FIO_NET_CLIENT_TIMEOUT = 5000,
132159a5
JA
64};
65
a64e88da
JA
66struct cmd_ts_pdu {
67 struct thread_stat ts;
68 struct group_run_stats rs;
69};
70
d09a64a0
JA
71struct cmd_du_pdu {
72 struct disk_util_stat dus;
73 struct disk_util_agg agg;
74};
75
c28e8e8c
JA
76struct cmd_probe_pdu {
77 uint8_t hostname[64];
6eb24791 78 uint8_t bigendian;
c28e8e8c
JA
79 uint8_t fio_major;
80 uint8_t fio_minor;
81 uint8_t fio_patch;
cca84643
JA
82 uint8_t os;
83 uint8_t arch;
38fdef22 84 uint8_t bpp;
c28e8e8c
JA
85};
86
fa2ea806
JA
87struct cmd_single_line_pdu {
88 uint16_t len;
89 uint8_t text[0];
90};
91
81179eec 92struct cmd_line_pdu {
fa2ea806
JA
93 uint16_t lines;
94 struct cmd_single_line_pdu options[0];
81179eec
JA
95};
96
402668f3 97extern int fio_start_server(char *);
13755d94 98extern int fio_server_text_output(const char *, size_t);
142575e6 99extern int fio_server_log(const char *format, ...);
af9c9fb3 100extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t);
89c1707c 101extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
bebe6398
JA
102extern void fio_server_set_arg(const char *);
103extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *);
89c1707c 104extern const char *fio_server_op(unsigned int);
7b821684 105extern void fio_server_got_signal(int);
a64e88da
JA
106
107struct thread_stat;
108struct group_run_stats;
109extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
110extern void fio_server_send_gs(struct group_run_stats *);
d09a64a0 111extern void fio_server_send_du(void);
cc0df00a 112extern void fio_server_idle_loop(void);
132159a5 113
a37f69b7
JA
114extern int fio_clients_connect(void);
115extern int fio_clients_send_ini(const char *);
37db14fe 116extern int fio_handle_clients(void);
bebe6398 117extern int fio_client_add(const char *, void **);
fa2ea806 118extern void fio_client_add_cmd_option(void *, const char *);
132159a5
JA
119
120extern int fio_recv_data(int sk, void *p, unsigned int len);
121extern int fio_send_data(int sk, const void *p, unsigned int len);
122extern void fio_net_cmd_crc(struct fio_net_cmd *);
e951bdc4 123extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
132159a5 124
009b1be4 125extern int exit_backend;
132159a5
JA
126extern int fio_net_port;
127
4d8f8780 128static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
af9c9fb3
JA
129 const void *pdu, uint32_t pdu_len,
130 uint64_t tag)
132159a5
JA
131{
132 memset(cmd, 0, sizeof(*cmd));
4d8f8780 133
fa2ea806 134 cmd->version = __cpu_to_le16(FIO_SERVER_VER);
82fa6b21 135 cmd->opcode = cpu_to_le16(opcode);
af9c9fb3 136 cmd->tag = cpu_to_le64(tag);
4d8f8780
JA
137
138 if (pdu) {
139 cmd->pdu_len = cpu_to_le32(pdu_len);
140 memcpy(&cmd->payload, pdu, pdu_len);
141 }
132159a5 142}
50d16976
JA
143
144#endif