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,
69 FIO_NET_CMD_F_MORE = 1UL << 0,
71 /* crc does not include the crc fields */
72 FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
75 FIO_NET_NAME_MAX = 256,
77 FIO_NET_CLIENT_TIMEOUT = 5000,
79 FIO_PROBE_FLAG_ZLIB = 1UL << 0,
83 uint8_t path[FIO_NET_NAME_MAX];
86 struct cmd_sendfile_reply {
93 * Client sends this to server on VTRIGGER, server sends back a full
94 * all_io_list structure.
96 struct cmd_vtrigger_pdu {
101 struct cmd_load_file_pdu {
103 uint16_t client_type;
108 struct thread_stat ts;
109 struct group_run_stats rs;
113 struct disk_util_stat dus;
114 struct disk_util_agg agg;
117 struct cmd_client_probe_pdu {
122 struct cmd_probe_reply_pdu {
123 uint8_t hostname[64];
125 uint8_t fio_version[32];
133 struct cmd_single_line_pdu {
138 struct cmd_line_pdu {
140 uint16_t client_type;
141 struct cmd_single_line_pdu options[];
146 uint32_t client_type;
150 struct cmd_start_pdu {
152 uint32_t stat_outputs;
160 struct cmd_add_job_pdu {
161 uint32_t thread_number;
163 struct thread_options_pack top;
166 struct cmd_text_pdu {
174 struct cmd_iolog_pdu {
176 uint32_t thread_number;
180 uint8_t name[FIO_NET_NAME_MAX];
181 struct io_sample samples[0];
184 extern int fio_start_server(char *);
185 extern int fio_server_text_output(int, const char *, size_t);
186 extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t *, struct flist_head *);
187 extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
188 extern void fio_server_set_arg(const char *);
189 extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *, struct in6_addr *, int *);
190 extern int fio_server_parse_host(const char *, int, struct in_addr *, struct in6_addr *);
191 extern const char *fio_server_op(unsigned int);
192 extern void fio_server_got_signal(int);
195 struct group_run_stats;
196 extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
197 extern void fio_server_send_gs(struct group_run_stats *);
198 extern void fio_server_send_du(void);
199 extern void fio_server_idle_loop(void);
200 extern int fio_server_get_verify_state(const char *, int, void **);
202 extern int fio_recv_data(int sk, void *p, unsigned int len);
203 extern int fio_send_data(int sk, const void *p, unsigned int len);
204 extern void fio_net_cmd_crc(struct fio_net_cmd *);
205 extern void fio_net_cmd_crc_pdu(struct fio_net_cmd *, const void *);
206 extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
208 extern int fio_send_iolog(struct thread_data *, struct io_log *, const char *);
209 extern void fio_server_send_add_job(struct thread_data *);
210 extern void fio_server_send_start(struct thread_data *);
211 extern int fio_net_send_stop(int sk, int error, int signal);
212 extern int fio_net_send_quit(int sk);
214 extern int exit_backend;
215 extern int fio_net_port;
217 static inline void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
218 uint32_t pdu_len, uint64_t tag)
220 memset(cmd, 0, sizeof(*cmd));
222 cmd->version = __cpu_to_le16(FIO_SERVER_VER);
223 cmd->opcode = cpu_to_le16(opcode);
224 cmd->tag = cpu_to_le64(tag);
225 cmd->pdu_len = cpu_to_le32(pdu_len);
229 static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
230 const void *pdu, uint32_t pdu_len,
233 __fio_init_net_cmd(cmd, opcode, pdu_len, tag);
236 memcpy(&cmd->payload, pdu, pdu_len);