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Jens Axboe50d16972011-09-29 17:45:28 -06001#ifndef FIO_SERVER_H
2#define FIO_SERVER_H
3
Jens Axboe132159a2011-09-30 15:01:32 -06004#include <inttypes.h>
Jens Axboe142575e2011-09-30 17:35:45 -06005#include <string.h>
Jens Axboe89c17072011-10-11 10:15:51 +02006#include <sys/time.h>
Jens Axboe811826b2011-10-24 09:11:50 +02007#include <netinet/in.h>
Jens Axboe132159a2011-09-30 15:01:32 -06008
Jens Axboea64e88d2011-10-03 14:20:01 +02009#include "stat.h"
Jens Axboe610a7302011-10-04 13:53:35 +020010#include "os/os.h"
Jens Axboed09a64a2011-10-13 11:38:56 +020011#include "diskutil.h"
Jens Axboea64e88d2011-10-03 14:20:01 +020012
Jens Axboe132159a2011-09-30 15:01:32 -060013/*
14 * On-wire encoding is little endian
15 */
16struct fio_net_cmd {
17 uint16_t version; /* protocol version */
18 uint16_t opcode; /* command opcode */
19 uint32_t flags; /* modifier flags */
Jens Axboeaf9c9fb2011-10-09 21:54:10 +020020 uint64_t tag; /* passed back on reply */
Jens Axboe132159a2011-09-30 15:01:32 -060021 uint32_t pdu_len; /* length of post-cmd layload */
Jens Axboea64e88d2011-10-03 14:20:01 +020022 /*
23 * These must be immediately before the payload, anything before
24 * these fields are checksummed.
25 */
Jens Axboefcee5ff2011-09-30 22:50:39 -060026 uint16_t cmd_crc16; /* cmd checksum */
27 uint16_t pdu_crc16; /* payload checksum */
Jens Axboe372aecb2013-01-08 13:42:41 +010028 uint8_t payload[]; /* payload */
Jens Axboe132159a2011-09-30 15:01:32 -060029};
30
Jens Axboe89c17072011-10-11 10:15:51 +020031struct fio_net_int_cmd {
Jens Axboe89c17072011-10-11 10:15:51 +020032 struct flist_head list;
33 struct timeval tv;
34 uint64_t saved_tag;
Jens Axboea28b0192013-01-08 13:43:14 +010035 struct fio_net_cmd cmd;
Jens Axboe89c17072011-10-11 10:15:51 +020036};
37
Jens Axboe132159a2011-09-30 15:01:32 -060038enum {
Jens Axboe771e58b2013-01-30 12:56:23 +010039 FIO_SERVER_VER = 10,
Jens Axboe132159a2011-09-30 15:01:32 -060040
Jens Axboe5cf6be72011-10-07 10:12:47 +020041 FIO_SERVER_MAX_PDU = 1024,
Jens Axboe132159a2011-09-30 15:01:32 -060042
43 FIO_NET_CMD_QUIT = 1,
Jens Axboed7959182011-10-03 11:48:39 +020044 FIO_NET_CMD_EXIT = 2,
45 FIO_NET_CMD_JOB = 3,
Jens Axboe81179ee2011-10-04 12:42:06 +020046 FIO_NET_CMD_JOBLINE = 4,
47 FIO_NET_CMD_TEXT = 5,
48 FIO_NET_CMD_TS = 6,
49 FIO_NET_CMD_GS = 7,
Jens Axboeaf9c9fb2011-10-09 21:54:10 +020050 FIO_NET_CMD_SEND_ETA = 8,
51 FIO_NET_CMD_ETA = 9,
52 FIO_NET_CMD_PROBE = 10,
53 FIO_NET_CMD_START = 11,
54 FIO_NET_CMD_STOP = 12,
Jens Axboed09a64a2011-10-13 11:38:56 +020055 FIO_NET_CMD_DU = 13,
Jens Axboe01be0382011-10-15 14:43:41 +020056 FIO_NET_CMD_RUN = 14,
57 FIO_NET_CMD_NR = 15,
Jens Axboe794d69c2011-10-01 08:48:50 -060058
Jens Axboed7959182011-10-03 11:48:39 +020059 FIO_NET_CMD_F_MORE = 1UL << 0,
Jens Axboefcee5ff2011-09-30 22:50:39 -060060
61 /* crc does not include the crc fields */
62 FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
63 2 * sizeof(uint16_t),
Jens Axboe89c17072011-10-11 10:15:51 +020064
65 FIO_NET_CLIENT_TIMEOUT = 5000,
Jens Axboe132159a2011-09-30 15:01:32 -060066};
67
Jens Axboea64e88d2011-10-03 14:20:01 +020068struct cmd_ts_pdu {
69 struct thread_stat ts;
70 struct group_run_stats rs;
71};
72
Jens Axboed09a64a2011-10-13 11:38:56 +020073struct cmd_du_pdu {
74 struct disk_util_stat dus;
75 struct disk_util_agg agg;
76};
77
Jens Axboec28e8e82011-10-04 08:57:39 +020078struct cmd_probe_pdu {
79 uint8_t hostname[64];
Jens Axboe6eb24792011-10-04 15:00:30 +020080 uint8_t bigendian;
Jens Axboe5c3f7ce2012-04-16 11:44:48 +020081 uint8_t fio_version[32];
Jens Axboecca84642011-10-07 12:47:57 +020082 uint8_t os;
83 uint8_t arch;
Jens Axboe38fdef22011-10-11 14:30:06 +020084 uint8_t bpp;
Jens Axboec28e8e82011-10-04 08:57:39 +020085};
86
Jens Axboefa2ea802011-10-08 21:07:29 +020087struct cmd_single_line_pdu {
88 uint16_t len;
Jens Axboe372aecb2013-01-08 13:42:41 +010089 uint8_t text[];
Jens Axboefa2ea802011-10-08 21:07:29 +020090};
91
Jens Axboe81179ee2011-10-04 12:42:06 +020092struct cmd_line_pdu {
Jens Axboefa2ea802011-10-08 21:07:29 +020093 uint16_t lines;
Jens Axboe372aecb2013-01-08 13:42:41 +010094 struct cmd_single_line_pdu options[];
Jens Axboe81179ee2011-10-04 12:42:06 +020095};
96
Jens Axboe11e950b2011-10-16 21:34:14 +020097struct cmd_start_pdu {
98 uint32_t jobs;
Jens Axboe108fea72012-11-14 13:09:45 -070099 uint32_t stat_outputs;
Jens Axboe11e950b2011-10-16 21:34:14 +0200100};
101
102struct cmd_end_pdu {
103 uint32_t error;
104};
105
Jens Axboe402668f2011-10-10 15:28:58 +0200106extern int fio_start_server(char *);
Jens Axboe13755d92011-10-10 19:51:26 +0200107extern int fio_server_text_output(const char *, size_t);
Jens Axboe142575e2011-09-30 17:35:45 -0600108extern int fio_server_log(const char *format, ...);
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200109extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t);
Jens Axboe89c17072011-10-11 10:15:51 +0200110extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
Jens Axboebebe6392011-10-07 10:00:51 +0200111extern void fio_server_set_arg(const char *);
Jens Axboe811826b2011-10-24 09:11:50 +0200112extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *, struct in6_addr *, int *);
Jens Axboe89c17072011-10-11 10:15:51 +0200113extern const char *fio_server_op(unsigned int);
Jens Axboe7b821682011-10-11 12:16:32 +0200114extern void fio_server_got_signal(int);
Jens Axboea64e88d2011-10-03 14:20:01 +0200115
116struct thread_stat;
117struct group_run_stats;
118extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
119extern void fio_server_send_gs(struct group_run_stats *);
Jens Axboed09a64a2011-10-13 11:38:56 +0200120extern void fio_server_send_du(void);
Jens Axboecc0df002011-10-03 20:53:32 +0200121extern void fio_server_idle_loop(void);
Jens Axboe132159a2011-09-30 15:01:32 -0600122
Jens Axboea37f69b2011-10-01 12:24:21 -0600123extern int fio_clients_connect(void);
124extern int fio_clients_send_ini(const char *);
Jens Axboe37db14f2011-09-30 17:00:42 -0600125extern int fio_handle_clients(void);
Jens Axboebebe6392011-10-07 10:00:51 +0200126extern int fio_client_add(const char *, void **);
Jens Axboefa2ea802011-10-08 21:07:29 +0200127extern void fio_client_add_cmd_option(void *, const char *);
Jens Axboebd023602012-08-26 17:30:45 +0200128extern void fio_client_add_ini_file(void *, const char *);
Jens Axboe132159a2011-09-30 15:01:32 -0600129
130extern int fio_recv_data(int sk, void *p, unsigned int len);
131extern int fio_send_data(int sk, const void *p, unsigned int len);
132extern void fio_net_cmd_crc(struct fio_net_cmd *);
Jens Axboee951bdc2011-10-05 21:58:45 +0200133extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
Jens Axboe132159a2011-09-30 15:01:32 -0600134
Jens Axboe009b1be2011-09-29 18:27:02 -0600135extern int exit_backend;
Jens Axboe132159a2011-09-30 15:01:32 -0600136extern int fio_net_port;
137
Jens Axboe4d8f8782011-09-30 22:24:17 -0600138static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200139 const void *pdu, uint32_t pdu_len,
140 uint64_t tag)
Jens Axboe132159a2011-09-30 15:01:32 -0600141{
142 memset(cmd, 0, sizeof(*cmd));
Jens Axboe4d8f8782011-09-30 22:24:17 -0600143
Jens Axboefa2ea802011-10-08 21:07:29 +0200144 cmd->version = __cpu_to_le16(FIO_SERVER_VER);
Jens Axboe82fa6b22011-09-30 22:29:08 -0600145 cmd->opcode = cpu_to_le16(opcode);
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200146 cmd->tag = cpu_to_le64(tag);
Jens Axboe4d8f8782011-09-30 22:24:17 -0600147
148 if (pdu) {
149 cmd->pdu_len = cpu_to_le32(pdu_len);
150 memcpy(&cmd->payload, pdu, pdu_len);
151 }
Jens Axboe132159a2011-09-30 15:01:32 -0600152}
Jens Axboe50d16972011-09-29 17:45:28 -0600153
154#endif