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gerrit-public.fairphone.software / fp2-dev / platform / external / fio / 89c1707cb512e562b55b56c268f7fad612be6f04 / . / server.h
blob: cd07a85d627881fd7c379439f98103e20e676e30 [file] [log] [blame]
Jens Axboe50d16972011-09-29 17:45:28 -0600[diff] [blame]1#ifndef FIO_SERVER_H
2#define FIO_SERVER_H
3
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]4#include <inttypes.h>
Jens Axboe142575e2011-09-30 17:35:45 -0600[diff] [blame]5#include <string.h>
Jens Axboe89c17072011-10-11 10:15:51 +0200[diff] [blame^]6#include <sys/time.h>
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]7
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]8#include "stat.h"
Jens Axboe610a7302011-10-04 13:53:35 +0200[diff] [blame]9#include "os/os.h"
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]10
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]11/*
12 * On-wire encoding is little endian
13 */
14struct fio_net_cmd {
15 uint16_t version; /* protocol version */
16 uint16_t opcode; /* command opcode */
17 uint32_t flags; /* modifier flags */
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200[diff] [blame]18 uint64_t tag; /* passed back on reply */
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]19 uint32_t pdu_len; /* length of post-cmd layload */
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]20 /*
21 * These must be immediately before the payload, anything before
22 * these fields are checksummed.
23 */
Jens Axboefcee5ff2011-09-30 22:50:39 -0600[diff] [blame]24 uint16_t cmd_crc16; /* cmd checksum */
25 uint16_t pdu_crc16; /* payload checksum */
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]26 uint8_t payload[0]; /* payload */
27};
28
Jens Axboe89c17072011-10-11 10:15:51 +0200[diff] [blame^]29struct fio_net_int_cmd {
30 struct fio_net_cmd cmd;
31 struct flist_head list;
32 struct timeval tv;
33 uint64_t saved_tag;
34};
35
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]36enum {
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200[diff] [blame]37 FIO_SERVER_VER = 5,
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]38
Jens Axboe5cf6be72011-10-07 10:12:47 +0200[diff] [blame]39 FIO_SERVER_MAX_PDU = 1024,
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]40
41 FIO_NET_CMD_QUIT = 1,
Jens Axboed7959182011-10-03 11:48:39 +0200[diff] [blame]42 FIO_NET_CMD_EXIT = 2,
43 FIO_NET_CMD_JOB = 3,
Jens Axboe81179ee2011-10-04 12:42:06 +0200[diff] [blame]44 FIO_NET_CMD_JOBLINE = 4,
45 FIO_NET_CMD_TEXT = 5,
46 FIO_NET_CMD_TS = 6,
47 FIO_NET_CMD_GS = 7,
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200[diff] [blame]48 FIO_NET_CMD_SEND_ETA = 8,
49 FIO_NET_CMD_ETA = 9,
50 FIO_NET_CMD_PROBE = 10,
51 FIO_NET_CMD_START = 11,
52 FIO_NET_CMD_STOP = 12,
Jens Axboe89c17072011-10-11 10:15:51 +0200[diff] [blame^]53 FIO_NET_CMD_NR = 13,
Jens Axboe794d69c2011-10-01 08:48:50 -0600[diff] [blame]54
Jens Axboed7959182011-10-03 11:48:39 +0200[diff] [blame]55 FIO_NET_CMD_F_MORE = 1UL << 0,
Jens Axboefcee5ff2011-09-30 22:50:39 -0600[diff] [blame]56
57 /* crc does not include the crc fields */
58 FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
59 2 * sizeof(uint16_t),
Jens Axboe89c17072011-10-11 10:15:51 +0200[diff] [blame^]60
61 FIO_NET_CLIENT_TIMEOUT = 5000,
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]62};
63
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]64struct cmd_ts_pdu {
65 struct thread_stat ts;
66 struct group_run_stats rs;
67};
68
Jens Axboec28e8e82011-10-04 08:57:39 +0200[diff] [blame]69struct cmd_probe_pdu {
70 uint8_t hostname[64];
Jens Axboe6eb24792011-10-04 15:00:30 +0200[diff] [blame]71 uint8_t bigendian;
Jens Axboec28e8e82011-10-04 08:57:39 +0200[diff] [blame]72 uint8_t fio_major;
73 uint8_t fio_minor;
74 uint8_t fio_patch;
Jens Axboecca84642011-10-07 12:47:57 +0200[diff] [blame]75 uint8_t os;
76 uint8_t arch;
Jens Axboec28e8e82011-10-04 08:57:39 +0200[diff] [blame]77};
78
Jens Axboefa2ea802011-10-08 21:07:29 +0200[diff] [blame]79struct cmd_single_line_pdu {
80 uint16_t len;
81 uint8_t text[0];
82};
83
Jens Axboe81179ee2011-10-04 12:42:06 +0200[diff] [blame]84struct cmd_line_pdu {
Jens Axboefa2ea802011-10-08 21:07:29 +0200[diff] [blame]85 uint16_t lines;
86 struct cmd_single_line_pdu options[0];
Jens Axboe81179ee2011-10-04 12:42:06 +0200[diff] [blame]87};
88
Jens Axboe402668f2011-10-10 15:28:58 +0200[diff] [blame]89extern int fio_start_server(char *);
Jens Axboe13755d92011-10-10 19:51:26 +0200[diff] [blame]90extern int fio_server_text_output(const char *, size_t);
Jens Axboe142575e2011-09-30 17:35:45 -0600[diff] [blame]91extern int fio_server_log(const char *format, ...);
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200[diff] [blame]92extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t);
Jens Axboe89c17072011-10-11 10:15:51 +0200[diff] [blame^]93extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
Jens Axboebebe6392011-10-07 10:00:51 +0200[diff] [blame]94extern void fio_server_set_arg(const char *);
95extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *);
Jens Axboe89c17072011-10-11 10:15:51 +0200[diff] [blame^]96extern const char *fio_server_op(unsigned int);
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]97
98struct thread_stat;
99struct group_run_stats;
100extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
101extern void fio_server_send_gs(struct group_run_stats *);
Jens Axboecc0df002011-10-03 20:53:32 +0200[diff] [blame]102extern void fio_server_idle_loop(void);
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]103
Jens Axboea37f69b2011-10-01 12:24:21 -0600[diff] [blame]104extern int fio_clients_connect(void);
105extern int fio_clients_send_ini(const char *);
Jens Axboe37db14f2011-09-30 17:00:42 -0600[diff] [blame]106extern int fio_handle_clients(void);
Jens Axboebebe6392011-10-07 10:00:51 +0200[diff] [blame]107extern int fio_client_add(const char *, void **);
Jens Axboefa2ea802011-10-08 21:07:29 +0200[diff] [blame]108extern void fio_client_add_cmd_option(void *, const char *);
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]109
110extern int fio_recv_data(int sk, void *p, unsigned int len);
111extern int fio_send_data(int sk, const void *p, unsigned int len);
112extern void fio_net_cmd_crc(struct fio_net_cmd *);
Jens Axboee951bdc2011-10-05 21:58:45 +0200[diff] [blame]113extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]114
Jens Axboe009b1be2011-09-29 18:27:02 -0600[diff] [blame]115extern int exit_backend;
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]116extern int fio_net_port;
117
Jens Axboe4d8f8782011-09-30 22:24:17 -0600[diff] [blame]118static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200[diff] [blame]119 const void *pdu, uint32_t pdu_len,
120 uint64_t tag)
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]121{
122 memset(cmd, 0, sizeof(*cmd));
Jens Axboe4d8f8782011-09-30 22:24:17 -0600[diff] [blame]123
Jens Axboefa2ea802011-10-08 21:07:29 +0200[diff] [blame]124 cmd->version = __cpu_to_le16(FIO_SERVER_VER);
Jens Axboe82fa6b22011-09-30 22:29:08 -0600[diff] [blame]125 cmd->opcode = cpu_to_le16(opcode);
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200[diff] [blame]126 cmd->tag = cpu_to_le64(tag);
Jens Axboe4d8f8782011-09-30 22:24:17 -0600[diff] [blame]127
128 if (pdu) {
129 cmd->pdu_len = cpu_to_le32(pdu_len);
130 memcpy(&cmd->payload, pdu, pdu_len);
131 }
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]132}
Jens Axboe50d16972011-09-29 17:45:28 -0600[diff] [blame]133
134#endif