1 #ifndef FIO_SERVER_H
2 #define FIO_SERVER_H
3
4 #include <inttypes.h>
5 #include <string.h>
6 #include <sys/time.h>
7 #include <netinet/in.h>
8
9 #include "stat.h"
10 #include "os/os.h"
11 #include "diskutil.h"
12
13 #define FIO_NET_PORT 8765
14
15 /*
16 * On-wire encoding is little endian
17 */
18 struct fio_net_cmd {
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 */
24 /*
25 * These must be immediately before the payload, anything before
26 * these fields are checksummed.
27 */
28 uint16_t cmd_crc16; /* cmd checksum */
29 uint16_t pdu_crc16; /* payload checksum */
30 uint8_t payload[]; /* payload */
31 };
32
33 struct fio_net_cmd_reply {
34 struct flist_head list;
35 struct timeval tv;
36 uint64_t saved_tag;
37 uint16_t opcode;
38 };
39
40 enum {
41 FIO_SERVER_VER = 34,
42
43 FIO_SERVER_MAX_FRAGMENT_PDU = 1024,
44 FIO_SERVER_MAX_CMD_MB = 2048,
45
46 FIO_NET_CMD_QUIT = 1,
47 FIO_NET_CMD_EXIT = 2,
48 FIO_NET_CMD_JOB = 3,
49 FIO_NET_CMD_JOBLINE = 4,
50 FIO_NET_CMD_TEXT = 5,
51 FIO_NET_CMD_TS = 6,
52 FIO_NET_CMD_GS = 7,
53 FIO_NET_CMD_SEND_ETA = 8,
54 FIO_NET_CMD_ETA = 9,
55 FIO_NET_CMD_PROBE = 10,
56 FIO_NET_CMD_START = 11,
57 FIO_NET_CMD_STOP = 12,
58 FIO_NET_CMD_DU = 13,
59 FIO_NET_CMD_SERVER_START = 14,
60 FIO_NET_CMD_ADD_JOB = 15,
61 FIO_NET_CMD_RUN = 16,
62 FIO_NET_CMD_IOLOG = 17,
63 FIO_NET_CMD_UPDATE_JOB = 18,
64 FIO_NET_CMD_NR = 19,
65
66 FIO_NET_CMD_F_MORE = 1UL << 0,
67
68 /* crc does not include the crc fields */
69 FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
70 2 * sizeof(uint16_t),
71
72 FIO_NET_NAME_MAX = 256,
73
74 FIO_NET_CLIENT_TIMEOUT = 5000,
75
76 FIO_PROBE_FLAG_ZLIB = 1UL << 0,
77 };
78
79 struct cmd_ts_pdu {
80 struct thread_stat ts;
81 struct group_run_stats rs;
82 };
83
84 struct cmd_du_pdu {
85 struct disk_util_stat dus;
86 struct disk_util_agg agg;
87 };
88
89 struct cmd_client_probe_pdu {
90 uint64_t flags;
91 };
92
93 struct cmd_probe_reply_pdu {
94 uint8_t hostname[64];
95 uint8_t bigendian;
96 uint8_t fio_version[32];
97 uint8_t os;
98 uint8_t arch;
99 uint8_t bpp;
100 uint32_t cpus;
101 uint64_t flags;
102 };
103
104 struct cmd_single_line_pdu {
105 uint16_t len;
106 uint8_t text[];
107 };
108
109 struct cmd_line_pdu {
110 uint16_t lines;
111 uint16_t client_type;
112 struct cmd_single_line_pdu options[];
113 };
114
115 struct cmd_job_pdu {
116 uint32_t buf_len;
117 uint32_t client_type;
118 uint8_t buf[0];
119 };
120
121 struct cmd_start_pdu {
122 uint32_t jobs;
123 uint32_t stat_outputs;
124 };
125
126 struct cmd_end_pdu {
127 uint32_t error;
128 uint32_t signal;
129 };
130
131 struct cmd_add_job_pdu {
132 uint32_t thread_number;
133 uint32_t groupid;
134 struct thread_options_pack top;
135 };
136
137 struct cmd_text_pdu {
138 uint32_t level;
139 uint32_t buf_len;
140 uint64_t log_sec;
141 uint64_t log_usec;
142 uint8_t buf[0];
143 };
144
145 struct cmd_iolog_pdu {
146 uint32_t thread_number;
147 uint32_t nr_samples;
148 uint32_t log_type;
149 uint32_t compressed;
150 uint8_t name[FIO_NET_NAME_MAX];
151 struct io_sample samples[0];
152 };
153
154 extern int fio_start_server(char *);
155 extern int fio_server_text_output(int, const char *, size_t);
156 extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t *, struct flist_head *);
157 extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
158 extern void fio_server_set_arg(const char *);
159 extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *, struct in6_addr *, int *);
160 extern int fio_server_parse_host(const char *, int, struct in_addr *, struct in6_addr *);
161 extern const char *fio_server_op(unsigned int);
162 extern void fio_server_got_signal(int);
163
164 struct thread_stat;
165 struct group_run_stats;
166 extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
167 extern void fio_server_send_gs(struct group_run_stats *);
168 extern void fio_server_send_du(void);
169 extern void fio_server_idle_loop(void);
170
171 extern int fio_clients_connect(void);
172 extern int fio_clients_send_ini(const char *);
173 extern void fio_client_add_cmd_option(void *, const char *);
174 extern void fio_client_add_ini_file(void *, const char *);
175
176 extern int fio_recv_data(int sk, void *p, unsigned int len);
177 extern int fio_send_data(int sk, const void *p, unsigned int len);
178 extern void fio_net_cmd_crc(struct fio_net_cmd *);
179 extern void fio_net_cmd_crc_pdu(struct fio_net_cmd *, const void *);
180 extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
181
182 extern int fio_send_iolog(struct thread_data *, struct io_log *, const char *);
183 extern void fio_server_send_add_job(struct thread_data *);
184 extern void fio_server_send_start(struct thread_data *);
185 extern int fio_net_send_stop(int sk, int error, int signal);
186 extern int fio_net_send_quit(int sk);
187
188 extern int exit_backend;
189 extern int fio_net_port;
190
__fio_init_net_cmd(struct fio_net_cmd * cmd,uint16_t opcode,uint32_t pdu_len,uint64_t tag)191 static inline void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
192 uint32_t pdu_len, uint64_t tag)
193 {
194 memset(cmd, 0, sizeof(*cmd));
195
196 cmd->version = __cpu_to_le16(FIO_SERVER_VER);
197 cmd->opcode = cpu_to_le16(opcode);
198 cmd->tag = cpu_to_le64(tag);
199 cmd->pdu_len = cpu_to_le32(pdu_len);
200 }
201
202
fio_init_net_cmd(struct fio_net_cmd * cmd,uint16_t opcode,const void * pdu,uint32_t pdu_len,uint64_t tag)203 static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
204 const void *pdu, uint32_t pdu_len,
205 uint64_t tag)
206 {
207 __fio_init_net_cmd(cmd, opcode, pdu_len, tag);
208
209 if (pdu)
210 memcpy(&cmd->payload, pdu, pdu_len);
211 }
212
213 #endif
214