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50d16976 JA |
1 | #ifndef FIO_SERVER_H |
2 | #define FIO_SERVER_H | |
3 | ||
132159a5 | 4 | #include <inttypes.h> |
142575e6 | 5 | #include <string.h> |
132159a5 | 6 | |
a64e88da | 7 | #include "stat.h" |
610a730c | 8 | #include "os/os.h" |
a64e88da | 9 | |
132159a5 JA |
10 | /* |
11 | * On-wire encoding is little endian | |
12 | */ | |
13 | struct fio_net_cmd { | |
14 | uint16_t version; /* protocol version */ | |
15 | uint16_t opcode; /* command opcode */ | |
16 | uint32_t flags; /* modifier flags */ | |
17 | uint64_t serial; /* serial number */ | |
132159a5 | 18 | uint32_t pdu_len; /* length of post-cmd layload */ |
a64e88da JA |
19 | /* |
20 | * These must be immediately before the payload, anything before | |
21 | * these fields are checksummed. | |
22 | */ | |
fcee5ff6 JA |
23 | uint16_t cmd_crc16; /* cmd checksum */ |
24 | uint16_t pdu_crc16; /* payload checksum */ | |
132159a5 JA |
25 | uint8_t payload[0]; /* payload */ |
26 | }; | |
27 | ||
28 | enum { | |
178cde9f | 29 | FIO_SERVER_VER = 2, |
132159a5 | 30 | FIO_SERVER_VER1 = 1, |
178cde9f | 31 | FIO_SERVER_VER2 = 2, |
132159a5 | 32 | |
794d69ca | 33 | FIO_SERVER_MAX_PDU = 64, |
132159a5 JA |
34 | |
35 | FIO_NET_CMD_QUIT = 1, | |
d7959186 JA |
36 | FIO_NET_CMD_EXIT = 2, |
37 | FIO_NET_CMD_JOB = 3, | |
81179eec JA |
38 | FIO_NET_CMD_JOBLINE = 4, |
39 | FIO_NET_CMD_TEXT = 5, | |
40 | FIO_NET_CMD_TS = 6, | |
41 | FIO_NET_CMD_GS = 7, | |
42 | FIO_NET_CMD_ETA = 8, | |
43 | FIO_NET_CMD_PROBE = 9, | |
44 | FIO_NET_CMD_START = 10, | |
45 | FIO_NET_CMD_STOP = 11, | |
794d69ca | 46 | |
d7959186 | 47 | FIO_NET_CMD_F_MORE = 1UL << 0, |
fcee5ff6 JA |
48 | |
49 | /* crc does not include the crc fields */ | |
50 | FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) - | |
51 | 2 * sizeof(uint16_t), | |
81179eec JA |
52 | |
53 | FIO_NET_CMD_JOBLINE_ARGV = 128, | |
132159a5 JA |
54 | }; |
55 | ||
a64e88da JA |
56 | struct cmd_ts_pdu { |
57 | struct thread_stat ts; | |
58 | struct group_run_stats rs; | |
59 | }; | |
60 | ||
c28e8e8c JA |
61 | struct cmd_probe_pdu { |
62 | uint8_t hostname[64]; | |
6eb24791 | 63 | uint8_t bigendian; |
c28e8e8c JA |
64 | uint8_t fio_major; |
65 | uint8_t fio_minor; | |
66 | uint8_t fio_patch; | |
67 | }; | |
68 | ||
81179eec JA |
69 | struct cmd_line_pdu { |
70 | uint16_t argc; | |
71 | uint8_t argv[FIO_NET_CMD_JOBLINE_ARGV][64]; | |
72 | }; | |
73 | ||
e46d8091 | 74 | extern int fio_start_server(int); |
142575e6 JA |
75 | extern int fio_server_text_output(const char *, unsigned int len); |
76 | extern int fio_server_log(const char *format, ...); | |
a64e88da | 77 | extern int fio_net_send_cmd(int, uint16_t, const void *, off_t); |
cc0df00a | 78 | extern int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t serial); |
87aa8f19 | 79 | extern void fio_server_add_arg(const char *); |
a64e88da JA |
80 | |
81 | struct thread_stat; | |
82 | struct group_run_stats; | |
83 | extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *); | |
84 | extern void fio_server_send_gs(struct group_run_stats *); | |
cf451d1e | 85 | extern void fio_server_send_status(void); |
cc0df00a | 86 | extern void fio_server_idle_loop(void); |
132159a5 | 87 | |
a37f69b7 JA |
88 | extern int fio_clients_connect(void); |
89 | extern int fio_clients_send_ini(const char *); | |
37db14fe | 90 | extern int fio_handle_clients(void); |
a37f69b7 | 91 | extern void fio_client_add(const char *); |
7a4b8240 | 92 | extern int fio_client_add_cmd_option(const char *, const char *); |
132159a5 JA |
93 | |
94 | extern int fio_recv_data(int sk, void *p, unsigned int len); | |
95 | extern int fio_send_data(int sk, const void *p, unsigned int len); | |
96 | extern void fio_net_cmd_crc(struct fio_net_cmd *); | |
e951bdc4 | 97 | extern struct fio_net_cmd *fio_net_recv_cmd(int sk); |
132159a5 | 98 | |
009b1be4 | 99 | extern int exit_backend; |
132159a5 JA |
100 | extern int fio_net_port; |
101 | ||
4d8f8780 JA |
102 | static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, |
103 | const void *pdu, uint32_t pdu_len) | |
132159a5 JA |
104 | { |
105 | memset(cmd, 0, sizeof(*cmd)); | |
4d8f8780 | 106 | |
178cde9f | 107 | cmd->version = __cpu_to_le16(FIO_SERVER_VER2); |
82fa6b21 | 108 | cmd->opcode = cpu_to_le16(opcode); |
4d8f8780 JA |
109 | |
110 | if (pdu) { | |
111 | cmd->pdu_len = cpu_to_le32(pdu_len); | |
112 | memcpy(&cmd->payload, pdu, pdu_len); | |
113 | } | |
132159a5 | 114 | } |
50d16976 JA |
115 | |
116 | #endif |