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,
48 FIO_NET_CMD_JOBLINE = 4,
52 FIO_NET_CMD_SEND_ETA = 8,
54 FIO_NET_CMD_PROBE = 10,
55 FIO_NET_CMD_START = 11,
56 FIO_NET_CMD_STOP = 12,
58 FIO_NET_CMD_SERVER_START = 14,
59 FIO_NET_CMD_ADD_JOB = 15,
61 FIO_NET_CMD_IOLOG = 17,
62 FIO_NET_CMD_UPDATE_JOB = 18,
65 FIO_NET_CMD_F_MORE = 1UL << 0,
67 /* crc does not include the crc fields */
68 FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
71 FIO_NET_NAME_MAX = 256,
73 FIO_NET_CLIENT_TIMEOUT = 5000,
75 FIO_PROBE_FLAG_ZLIB = 1UL << 0,
79 struct thread_stat ts;
80 struct group_run_stats rs;
84 struct disk_util_stat dus;
85 struct disk_util_agg agg;
88 struct cmd_client_probe_pdu {
92 struct cmd_probe_reply_pdu {
95 uint8_t fio_version[32];
103 struct cmd_single_line_pdu {
108 struct cmd_line_pdu {
110 uint16_t client_type;
111 struct cmd_single_line_pdu options[];
116 uint32_t client_type;
120 struct cmd_start_pdu {
122 uint32_t stat_outputs;
130 struct cmd_add_job_pdu {
131 uint32_t thread_number;
133 struct thread_options_pack top;
136 struct cmd_text_pdu {
144 struct cmd_iolog_pdu {
145 uint32_t thread_number;
149 uint8_t name[FIO_NET_NAME_MAX];
150 struct io_sample samples[0];
153 extern int fio_start_server(char *);
154 extern int fio_server_text_output(int, const char *, size_t);
155 extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t *, struct flist_head *);
156 extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
157 extern void fio_server_set_arg(const char *);
158 extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *, struct in6_addr *, int *);
159 extern int fio_server_parse_host(const char *, int *, struct in_addr *, struct in6_addr *);
160 extern const char *fio_server_op(unsigned int);
161 extern void fio_server_got_signal(int);
164 struct group_run_stats;
165 extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
166 extern void fio_server_send_gs(struct group_run_stats *);
167 extern void fio_server_send_du(void);
168 extern void fio_server_idle_loop(void);
170 extern int fio_clients_connect(void);
171 extern int fio_clients_send_ini(const char *);
172 extern void fio_client_add_cmd_option(void *, const char *);
173 extern void fio_client_add_ini_file(void *, const char *);
175 extern int fio_recv_data(int sk, void *p, unsigned int len);
176 extern int fio_send_data(int sk, const void *p, unsigned int len);
177 extern void fio_net_cmd_crc(struct fio_net_cmd *);
178 extern void fio_net_cmd_crc_pdu(struct fio_net_cmd *, const void *);
179 extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
181 extern int fio_send_iolog(struct thread_data *, struct io_log *, const char *);
182 extern void fio_server_send_add_job(struct thread_data *);
183 extern void fio_server_send_start(struct thread_data *);
184 extern int fio_net_send_stop(int sk, int error, int signal);
185 extern int fio_net_send_quit(int sk);
187 extern int exit_backend;
188 extern int fio_net_port;
190 static inline void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
191 uint32_t pdu_len, uint64_t tag)
193 memset(cmd, 0, sizeof(*cmd));
195 cmd->version = __cpu_to_le16(FIO_SERVER_VER);
196 cmd->opcode = cpu_to_le16(opcode);
197 cmd->tag = cpu_to_le64(tag);
198 cmd->pdu_len = cpu_to_le32(pdu_len);
202 static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
203 const void *pdu, uint32_t pdu_len,
206 __fio_init_net_cmd(cmd, opcode, pdu_len, tag);
209 memcpy(&cmd->payload, pdu, pdu_len);