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gerrit-public.fairphone.software / platform / external / fio / e6d1c6687bf7dcd738657bcac70982c1e790329e / . / server.h
blob: 3d1d79c3c8cd2a0c7d3f1eed8e154b48263b1767 [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 Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]6
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]7#include "stat.h"
Jens Axboe610a7302011-10-04 13:53:35 +0200[diff] [blame]8#include "os/os.h"
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]9
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]10/*
11 * On-wire encoding is little endian
12 */
13struct fio_net_cmd {
14 uint16_t version; /* protocol version */
15 uint16_t opcode; /* command opcode */
16 uint32_t flags; /* modifier flags */
17 uint64_t serial; /* serial number */
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]18 uint32_t pdu_len; /* length of post-cmd layload */
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]19 /*
20 * These must be immediately before the payload, anything before
21 * these fields are checksummed.
22 */
Jens Axboefcee5ff2011-09-30 22:50:39 -0600[diff] [blame]23 uint16_t cmd_crc16; /* cmd checksum */
24 uint16_t pdu_crc16; /* payload checksum */
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]25 uint8_t payload[0]; /* payload */
26};
27
28enum {
29 FIO_SERVER_VER = 1,
30 FIO_SERVER_VER1 = 1,
31
Jens Axboe794d69c2011-10-01 08:48:50 -0600[diff] [blame]32 FIO_SERVER_MAX_PDU = 64,
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]33
34 FIO_NET_CMD_QUIT = 1,
Jens Axboed7959182011-10-03 11:48:39 +0200[diff] [blame]35 FIO_NET_CMD_EXIT = 2,
36 FIO_NET_CMD_JOB = 3,
Jens Axboe81179ee2011-10-04 12:42:06 +0200[diff] [blame]37 FIO_NET_CMD_JOBLINE = 4,
38 FIO_NET_CMD_TEXT = 5,
39 FIO_NET_CMD_TS = 6,
40 FIO_NET_CMD_GS = 7,
41 FIO_NET_CMD_ETA = 8,
42 FIO_NET_CMD_PROBE = 9,
43 FIO_NET_CMD_START = 10,
44 FIO_NET_CMD_STOP = 11,
Jens Axboe794d69c2011-10-01 08:48:50 -0600[diff] [blame]45
Jens Axboed7959182011-10-03 11:48:39 +0200[diff] [blame]46 FIO_NET_CMD_F_MORE = 1UL << 0,
Jens Axboefcee5ff2011-09-30 22:50:39 -0600[diff] [blame]47
48 /* crc does not include the crc fields */
49 FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
50 2 * sizeof(uint16_t),
Jens Axboe81179ee2011-10-04 12:42:06 +0200[diff] [blame]51
52 FIO_NET_CMD_JOBLINE_ARGV = 128,
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]53};
54
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]55struct cmd_ts_pdu {
56 struct thread_stat ts;
57 struct group_run_stats rs;
58};
59
Jens Axboec28e8e82011-10-04 08:57:39 +0200[diff] [blame]60struct cmd_probe_pdu {
61 uint8_t hostname[64];
Jens Axboe6eb24792011-10-04 15:00:30 +0200[diff] [blame]62 uint8_t bigendian;
Jens Axboec28e8e82011-10-04 08:57:39 +0200[diff] [blame]63 uint8_t fio_major;
64 uint8_t fio_minor;
65 uint8_t fio_patch;
66};
67
Jens Axboe81179ee2011-10-04 12:42:06 +0200[diff] [blame]68struct cmd_line_pdu {
69 uint16_t argc;
70 uint8_t argv[FIO_NET_CMD_JOBLINE_ARGV][64];
71};
72
Jens Axboee46d8092011-10-03 09:11:02 +0200[diff] [blame]73extern int fio_start_server(int);
Jens Axboe142575e2011-09-30 17:35:45 -0600[diff] [blame]74extern int fio_server_text_output(const char *, unsigned int len);
75extern int fio_server_log(const char *format, ...);
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]76extern int fio_net_send_cmd(int, uint16_t, const void *, off_t);
Jens Axboecc0df002011-10-03 20:53:32 +0200[diff] [blame]77extern int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t serial);
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]78
79struct thread_stat;
80struct group_run_stats;
81extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
82extern void fio_server_send_gs(struct group_run_stats *);
Jens Axboecf451d12011-10-03 16:48:30 +0200[diff] [blame]83extern void fio_server_send_status(void);
Jens Axboecc0df002011-10-03 20:53:32 +0200[diff] [blame]84extern void fio_server_idle_loop(void);
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]85
Jens Axboea37f69b2011-10-01 12:24:21 -0600[diff] [blame]86extern int fio_clients_connect(void);
87extern int fio_clients_send_ini(const char *);
Jens Axboe37db14f2011-09-30 17:00:42 -0600[diff] [blame]88extern int fio_handle_clients(void);
Jens Axboea37f69b2011-10-01 12:24:21 -0600[diff] [blame]89extern void fio_client_add(const char *);
Jens Axboe7a4b8242011-10-05 17:35:15 +0200[diff] [blame]90extern int fio_client_add_cmd_option(const char *, const char *);
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]91
92extern int fio_recv_data(int sk, void *p, unsigned int len);
93extern int fio_send_data(int sk, const void *p, unsigned int len);
94extern void fio_net_cmd_crc(struct fio_net_cmd *);
Jens Axboe70e0c312011-10-04 09:18:30 +0200[diff] [blame]95extern struct fio_net_cmd *fio_net_recv_cmd(int sk, int block);
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]96
Jens Axboe009b1be2011-09-29 18:27:02 -0600[diff] [blame]97extern int exit_backend;
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]98extern int fio_net_port;
99
Jens Axboe4d8f8782011-09-30 22:24:17 -0600[diff] [blame]100static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
101 const void *pdu, uint32_t pdu_len)
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]102{
103 memset(cmd, 0, sizeof(*cmd));
Jens Axboe4d8f8782011-09-30 22:24:17 -0600[diff] [blame]104
Jens Axboeddcc0b62011-10-03 14:45:27 +0200[diff] [blame]105 cmd->version = __cpu_to_le16(FIO_SERVER_VER1);
Jens Axboe82fa6b22011-09-30 22:29:08 -0600[diff] [blame]106 cmd->opcode = cpu_to_le16(opcode);
Jens Axboe4d8f8782011-09-30 22:24:17 -0600[diff] [blame]107
108 if (pdu) {
109 cmd->pdu_len = cpu_to_le32(pdu_len);
110 memcpy(&cmd->payload, pdu, pdu_len);
111 }
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]112}
Jens Axboe50d16972011-09-29 17:45:28 -0600[diff] [blame]113
114#endif