| #ifndef FIO_SERVER_H |
| #define FIO_SERVER_H |
| |
| #include <inttypes.h> |
| #include <string.h> |
| |
| #include "stat.h" |
| #include "os/os.h" |
| |
| /* |
| * On-wire encoding is little endian |
| */ |
| struct fio_net_cmd { |
| uint16_t version; /* protocol version */ |
| uint16_t opcode; /* command opcode */ |
| uint32_t flags; /* modifier flags */ |
| uint64_t serial; /* serial number */ |
| uint32_t pdu_len; /* length of post-cmd layload */ |
| /* |
| * These must be immediately before the payload, anything before |
| * these fields are checksummed. |
| */ |
| uint16_t cmd_crc16; /* cmd checksum */ |
| uint16_t pdu_crc16; /* payload checksum */ |
| uint8_t payload[0]; /* payload */ |
| }; |
| |
| enum { |
| FIO_SERVER_VER = 2, |
| FIO_SERVER_VER1 = 1, |
| FIO_SERVER_VER2 = 2, |
| |
| FIO_SERVER_MAX_PDU = 64, |
| |
| FIO_NET_CMD_QUIT = 1, |
| FIO_NET_CMD_EXIT = 2, |
| FIO_NET_CMD_JOB = 3, |
| FIO_NET_CMD_JOBLINE = 4, |
| FIO_NET_CMD_TEXT = 5, |
| FIO_NET_CMD_TS = 6, |
| FIO_NET_CMD_GS = 7, |
| FIO_NET_CMD_ETA = 8, |
| FIO_NET_CMD_PROBE = 9, |
| FIO_NET_CMD_START = 10, |
| FIO_NET_CMD_STOP = 11, |
| |
| FIO_NET_CMD_F_MORE = 1UL << 0, |
| |
| /* crc does not include the crc fields */ |
| FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) - |
| 2 * sizeof(uint16_t), |
| |
| FIO_NET_CMD_JOBLINE_ARGV = 128, |
| }; |
| |
| struct cmd_ts_pdu { |
| struct thread_stat ts; |
| struct group_run_stats rs; |
| }; |
| |
| struct cmd_probe_pdu { |
| uint8_t hostname[64]; |
| uint8_t bigendian; |
| uint8_t fio_major; |
| uint8_t fio_minor; |
| uint8_t fio_patch; |
| }; |
| |
| struct cmd_line_pdu { |
| uint16_t argc; |
| uint8_t argv[FIO_NET_CMD_JOBLINE_ARGV][64]; |
| }; |
| |
| extern int fio_start_server(int); |
| extern int fio_server_text_output(const char *, unsigned int len); |
| extern int fio_server_log(const char *format, ...); |
| extern int fio_net_send_cmd(int, uint16_t, const void *, off_t); |
| extern int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t serial); |
| extern void fio_server_set_arg(const char *); |
| extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *); |
| |
| struct thread_stat; |
| struct group_run_stats; |
| extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *); |
| extern void fio_server_send_gs(struct group_run_stats *); |
| extern void fio_server_send_status(void); |
| extern void fio_server_idle_loop(void); |
| |
| extern int fio_clients_connect(void); |
| extern int fio_clients_send_ini(const char *); |
| extern int fio_handle_clients(void); |
| extern int fio_client_add(const char *, void **); |
| extern int fio_client_add_cmd_option(void *, const char *); |
| |
| extern int fio_recv_data(int sk, void *p, unsigned int len); |
| extern int fio_send_data(int sk, const void *p, unsigned int len); |
| extern void fio_net_cmd_crc(struct fio_net_cmd *); |
| extern struct fio_net_cmd *fio_net_recv_cmd(int sk); |
| |
| extern int exit_backend; |
| extern int fio_net_port; |
| |
| static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, |
| const void *pdu, uint32_t pdu_len) |
| { |
| memset(cmd, 0, sizeof(*cmd)); |
| |
| cmd->version = __cpu_to_le16(FIO_SERVER_VER2); |
| cmd->opcode = cpu_to_le16(opcode); |
| |
| if (pdu) { |
| cmd->pdu_len = cpu_to_le32(pdu_len); |
| memcpy(&cmd->payload, pdu, pdu_len); |
| } |
| } |
| |
| #endif |