Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 1 | #ifndef FIO_SERVER_H |
| 2 | #define FIO_SERVER_H |
| 3 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 4 | #include <inttypes.h> |
Jens Axboe | 142575e | 2011-09-30 17:35:45 -0600 | [diff] [blame] | 5 | #include <string.h> |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 6 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 7 | #include "stat.h" |
Jens Axboe | 610a730 | 2011-10-04 13:53:35 +0200 | [diff] [blame] | 8 | #include "os/os.h" |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 9 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 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 */ |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 18 | uint32_t pdu_len; /* length of post-cmd layload */ |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 19 | /* |
| 20 | * These must be immediately before the payload, anything before |
| 21 | * these fields are checksummed. |
| 22 | */ |
Jens Axboe | fcee5ff | 2011-09-30 22:50:39 -0600 | [diff] [blame] | 23 | uint16_t cmd_crc16; /* cmd checksum */ |
| 24 | uint16_t pdu_crc16; /* payload checksum */ |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 25 | uint8_t payload[0]; /* payload */ |
| 26 | }; |
| 27 | |
| 28 | enum { |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame^] | 29 | FIO_SERVER_VER = 4, |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 30 | |
Jens Axboe | 5cf6be7 | 2011-10-07 10:12:47 +0200 | [diff] [blame] | 31 | FIO_SERVER_MAX_PDU = 1024, |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 32 | |
| 33 | FIO_NET_CMD_QUIT = 1, |
Jens Axboe | d795918 | 2011-10-03 11:48:39 +0200 | [diff] [blame] | 34 | FIO_NET_CMD_EXIT = 2, |
| 35 | FIO_NET_CMD_JOB = 3, |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 36 | FIO_NET_CMD_JOBLINE = 4, |
| 37 | FIO_NET_CMD_TEXT = 5, |
| 38 | FIO_NET_CMD_TS = 6, |
| 39 | FIO_NET_CMD_GS = 7, |
| 40 | FIO_NET_CMD_ETA = 8, |
| 41 | FIO_NET_CMD_PROBE = 9, |
| 42 | FIO_NET_CMD_START = 10, |
| 43 | FIO_NET_CMD_STOP = 11, |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 44 | |
Jens Axboe | d795918 | 2011-10-03 11:48:39 +0200 | [diff] [blame] | 45 | FIO_NET_CMD_F_MORE = 1UL << 0, |
Jens Axboe | fcee5ff | 2011-09-30 22:50:39 -0600 | [diff] [blame] | 46 | |
| 47 | /* crc does not include the crc fields */ |
| 48 | FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) - |
| 49 | 2 * sizeof(uint16_t), |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 50 | }; |
| 51 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 52 | struct cmd_ts_pdu { |
| 53 | struct thread_stat ts; |
| 54 | struct group_run_stats rs; |
| 55 | }; |
| 56 | |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 57 | struct cmd_probe_pdu { |
| 58 | uint8_t hostname[64]; |
Jens Axboe | 6eb2479 | 2011-10-04 15:00:30 +0200 | [diff] [blame] | 59 | uint8_t bigendian; |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 60 | uint8_t fio_major; |
| 61 | uint8_t fio_minor; |
| 62 | uint8_t fio_patch; |
Jens Axboe | cca8464 | 2011-10-07 12:47:57 +0200 | [diff] [blame] | 63 | uint8_t os; |
| 64 | uint8_t arch; |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 65 | }; |
| 66 | |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame^] | 67 | struct cmd_single_line_pdu { |
| 68 | uint16_t len; |
| 69 | uint8_t text[0]; |
| 70 | }; |
| 71 | |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 72 | struct cmd_line_pdu { |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame^] | 73 | uint16_t lines; |
| 74 | struct cmd_single_line_pdu options[0]; |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 75 | }; |
| 76 | |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 77 | extern int fio_start_server(int); |
Jens Axboe | 142575e | 2011-09-30 17:35:45 -0600 | [diff] [blame] | 78 | extern int fio_server_text_output(const char *, unsigned int len); |
| 79 | extern int fio_server_log(const char *format, ...); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 80 | extern int fio_net_send_cmd(int, uint16_t, const void *, off_t); |
Jens Axboe | cc0df00 | 2011-10-03 20:53:32 +0200 | [diff] [blame] | 81 | extern int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t serial); |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 82 | extern void fio_server_set_arg(const char *); |
| 83 | extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 84 | |
| 85 | struct thread_stat; |
| 86 | struct group_run_stats; |
| 87 | extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *); |
| 88 | extern void fio_server_send_gs(struct group_run_stats *); |
Jens Axboe | cf451d1 | 2011-10-03 16:48:30 +0200 | [diff] [blame] | 89 | extern void fio_server_send_status(void); |
Jens Axboe | cc0df00 | 2011-10-03 20:53:32 +0200 | [diff] [blame] | 90 | extern void fio_server_idle_loop(void); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 91 | |
Jens Axboe | a37f69b | 2011-10-01 12:24:21 -0600 | [diff] [blame] | 92 | extern int fio_clients_connect(void); |
| 93 | extern int fio_clients_send_ini(const char *); |
Jens Axboe | 37db14f | 2011-09-30 17:00:42 -0600 | [diff] [blame] | 94 | extern int fio_handle_clients(void); |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 95 | extern int fio_client_add(const char *, void **); |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame^] | 96 | extern void fio_client_add_cmd_option(void *, const char *); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 97 | |
| 98 | extern int fio_recv_data(int sk, void *p, unsigned int len); |
| 99 | extern int fio_send_data(int sk, const void *p, unsigned int len); |
| 100 | extern void fio_net_cmd_crc(struct fio_net_cmd *); |
Jens Axboe | e951bdc | 2011-10-05 21:58:45 +0200 | [diff] [blame] | 101 | extern struct fio_net_cmd *fio_net_recv_cmd(int sk); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 102 | |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 103 | extern int exit_backend; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 104 | extern int fio_net_port; |
| 105 | |
Jens Axboe | 4d8f878 | 2011-09-30 22:24:17 -0600 | [diff] [blame] | 106 | static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, |
| 107 | const void *pdu, uint32_t pdu_len) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 108 | { |
| 109 | memset(cmd, 0, sizeof(*cmd)); |
Jens Axboe | 4d8f878 | 2011-09-30 22:24:17 -0600 | [diff] [blame] | 110 | |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame^] | 111 | cmd->version = __cpu_to_le16(FIO_SERVER_VER); |
Jens Axboe | 82fa6b2 | 2011-09-30 22:29:08 -0600 | [diff] [blame] | 112 | cmd->opcode = cpu_to_le16(opcode); |
Jens Axboe | 4d8f878 | 2011-09-30 22:24:17 -0600 | [diff] [blame] | 113 | |
| 114 | if (pdu) { |
| 115 | cmd->pdu_len = cpu_to_le32(pdu_len); |
| 116 | memcpy(&cmd->payload, pdu, pdu_len); |
| 117 | } |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 118 | } |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 119 | |
| 120 | #endif |