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,
66 FIO_NET_CMD_F_MORE = 1UL << 0,
68 /* crc does not include the crc fields */
69 FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
72 FIO_NET_NAME_MAX = 256,
74 FIO_NET_CLIENT_TIMEOUT = 5000,
76 FIO_PROBE_FLAG_ZLIB = 1UL << 0,
80 struct thread_stat ts;
81 struct group_run_stats rs;
85 struct disk_util_stat dus;
86 struct disk_util_agg agg;
89 struct cmd_client_probe_pdu {
93 struct cmd_probe_reply_pdu {
96 uint8_t fio_version[32];
104 struct cmd_single_line_pdu {
109 struct cmd_line_pdu {
111 uint16_t client_type;
112 struct cmd_single_line_pdu options[];
117 uint32_t client_type;
121 struct cmd_start_pdu {
123 uint32_t stat_outputs;
131 struct cmd_add_job_pdu {
132 uint32_t thread_number;
134 struct thread_options_pack top;
137 struct cmd_text_pdu {
145 struct cmd_iolog_pdu {
147 uint32_t thread_number;
151 uint8_t name[FIO_NET_NAME_MAX];
152 struct io_sample samples[0];
155 extern int fio_start_server(char *);
156 extern int fio_server_text_output(int, const char *, size_t);
157 extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t *, struct flist_head *);
158 extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
159 extern void fio_server_set_arg(const char *);
160 extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *, struct in6_addr *, int *);
161 extern int fio_server_parse_host(const char *, int, struct in_addr *, struct in6_addr *);
162 extern const char *fio_server_op(unsigned int);
163 extern void fio_server_got_signal(int);
166 struct group_run_stats;
167 extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
168 extern void fio_server_send_gs(struct group_run_stats *);
169 extern void fio_server_send_du(void);
170 extern void fio_server_idle_loop(void);
172 extern int fio_clients_connect(void);
173 extern int fio_clients_send_ini(const char *);
174 extern void fio_client_add_cmd_option(void *, const char *);
175 extern void fio_client_add_ini_file(void *, const char *);
177 extern int fio_recv_data(int sk, void *p, unsigned int len);
178 extern int fio_send_data(int sk, const void *p, unsigned int len);
179 extern void fio_net_cmd_crc(struct fio_net_cmd *);
180 extern void fio_net_cmd_crc_pdu(struct fio_net_cmd *, const void *);
181 extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
183 extern int fio_send_iolog(struct thread_data *, struct io_log *, const char *);
184 extern void fio_server_send_add_job(struct thread_data *);
185 extern void fio_server_send_start(struct thread_data *);
186 extern int fio_net_send_stop(int sk, int error, int signal);
187 extern int fio_net_send_quit(int sk);
189 extern int exit_backend;
190 extern int fio_net_port;
192 static inline void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
193 uint32_t pdu_len, uint64_t tag)
195 memset(cmd, 0, sizeof(*cmd));
197 cmd->version = __cpu_to_le16(FIO_SERVER_VER);
198 cmd->opcode = cpu_to_le16(opcode);
199 cmd->tag = cpu_to_le64(tag);
200 cmd->pdu_len = cpu_to_le32(pdu_len);
204 static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
205 const void *pdu, uint32_t pdu_len,
208 __fio_init_net_cmd(cmd, opcode, pdu_len, tag);
211 memcpy(&cmd->payload, pdu, pdu_len);