7 #include <netinet/in.h>
13 #define FIO_NET_PORT 8765
16 * On-wire encoding is little endian
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 */
25 * These must be immediately before the payload, anything before
26 * these fields are checksummed.
28 uint16_t cmd_crc16; /* cmd checksum */
29 uint16_t pdu_crc16; /* payload checksum */
30 uint8_t payload[]; /* payload */
33 struct fio_net_cmd_reply {
34 struct flist_head list;
43 FIO_SERVER_MAX_FRAGMENT_PDU = 1024,
44 FIO_SERVER_MAX_CMD_MB = 2048,
49 FIO_NET_CMD_JOBLINE = 4,
53 FIO_NET_CMD_SEND_ETA = 8,
55 FIO_NET_CMD_PROBE = 10,
56 FIO_NET_CMD_START = 11,
57 FIO_NET_CMD_STOP = 12,
59 FIO_NET_CMD_SERVER_START = 14,
60 FIO_NET_CMD_ADD_JOB = 15,
62 FIO_NET_CMD_IOLOG = 17,
63 FIO_NET_CMD_UPDATE_JOB = 18,
64 FIO_NET_CMD_LOAD_FILE = 19,
65 FIO_NET_CMD_VTRIGGER = 20,
66 FIO_NET_CMD_SENDFILE = 21,
67 FIO_NET_CMD_JOB_OPT = 22,
70 FIO_NET_CMD_F_MORE = 1UL << 0,
72 /* crc does not include the crc fields */
73 FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
76 FIO_NET_NAME_MAX = 256,
78 FIO_NET_CLIENT_TIMEOUT = 5000,
80 FIO_PROBE_FLAG_ZLIB = 1UL << 0,
84 uint8_t path[FIO_NET_NAME_MAX];
87 struct cmd_sendfile_reply {
94 * Client sends this to server on VTRIGGER, server sends back a full
95 * all_io_list structure.
97 struct cmd_vtrigger_pdu {
102 struct cmd_load_file_pdu {
104 uint16_t client_type;
109 struct thread_stat ts;
110 struct group_run_stats rs;
114 struct disk_util_stat dus;
115 struct disk_util_agg agg;
118 struct cmd_client_probe_pdu {
123 struct cmd_probe_reply_pdu {
124 uint8_t hostname[64];
126 uint8_t fio_version[32];
134 struct cmd_single_line_pdu {
139 struct cmd_line_pdu {
141 uint16_t client_type;
142 struct cmd_single_line_pdu options[];
147 uint32_t client_type;
151 struct cmd_start_pdu {
153 uint32_t stat_outputs;
161 struct cmd_add_job_pdu {
162 uint32_t thread_number;
164 struct thread_options_pack top;
167 struct cmd_text_pdu {
176 XMIT_COMPRESSED = 1U,
177 STORE_COMPRESSED = 2U,
180 struct cmd_iolog_pdu {
182 uint32_t thread_number;
186 uint8_t name[FIO_NET_NAME_MAX];
187 struct io_sample samples[0];
190 struct cmd_job_option {
198 extern int fio_start_server(char *);
199 extern int fio_server_text_output(int, const char *, size_t);
200 extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t *, struct flist_head *);
201 extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
202 extern void fio_server_set_arg(const char *);
203 extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *, struct in6_addr *, int *);
204 extern int fio_server_parse_host(const char *, int, struct in_addr *, struct in6_addr *);
205 extern const char *fio_server_op(unsigned int);
206 extern void fio_server_got_signal(int);
209 struct group_run_stats;
210 extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
211 extern void fio_server_send_gs(struct group_run_stats *);
212 extern void fio_server_send_du(void);
213 extern void fio_server_send_job_options(struct flist_head *, unsigned int);
214 extern int fio_server_get_verify_state(const char *, int, void **);
216 extern struct fio_net_cmd *fio_net_recv_cmd(int sk, bool wait);
218 extern int fio_send_iolog(struct thread_data *, struct io_log *, const char *);
219 extern void fio_server_send_add_job(struct thread_data *);
220 extern void fio_server_send_start(struct thread_data *);
221 extern int fio_net_send_quit(int sk);
223 extern int fio_server_create_sk_key(void);
224 extern void fio_server_destroy_sk_key(void);
226 extern int exit_backend;
227 extern int fio_net_port;