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 = 42, 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_LOAD_FILE = 19, 65 FIO_NET_CMD_VTRIGGER = 20, 66 FIO_NET_CMD_SENDFILE = 21, 67 FIO_NET_CMD_NR = 22, 68 69 FIO_NET_CMD_F_MORE = 1UL << 0, 70 71 /* crc does not include the crc fields */ 72 FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) - 73 2 * sizeof(uint16_t), 74 75 FIO_NET_NAME_MAX = 256, 76 77 FIO_NET_CLIENT_TIMEOUT = 5000, 78 79 FIO_PROBE_FLAG_ZLIB = 1UL << 0, 80 }; 81 82 struct cmd_sendfile { 83 uint8_t path[FIO_NET_NAME_MAX]; 84 }; 85 86 struct cmd_sendfile_reply { 87 uint32_t size; 88 uint32_t error; 89 uint8_t data[0]; 90 }; 91 92 /* 93 * Client sends this to server on VTRIGGER, server sends back a full 94 * all_io_list structure. 95 */ 96 struct cmd_vtrigger_pdu { 97 uint16_t len; 98 uint8_t cmd[]; 99 }; 100 101 struct cmd_load_file_pdu { 102 uint16_t name_len; 103 uint16_t client_type; 104 uint8_t file[]; 105 }; 106 107 struct cmd_ts_pdu { 108 struct thread_stat ts; 109 struct group_run_stats rs; 110 }; 111 112 struct cmd_du_pdu { 113 struct disk_util_stat dus; 114 struct disk_util_agg agg; 115 }; 116 117 struct cmd_client_probe_pdu { 118 uint64_t flags; 119 uint8_t server[128]; 120 }; 121 122 struct cmd_probe_reply_pdu { 123 uint8_t hostname[64]; 124 uint8_t bigendian; 125 uint8_t fio_version[32]; 126 uint8_t os; 127 uint8_t arch; 128 uint8_t bpp; 129 uint32_t cpus; 130 uint64_t flags; 131 }; 132 133 struct cmd_single_line_pdu { 134 uint16_t len; 135 uint8_t text[]; 136 }; 137 138 struct cmd_line_pdu { 139 uint16_t lines; 140 uint16_t client_type; 141 struct cmd_single_line_pdu options[]; 142 }; 143 144 struct cmd_job_pdu { 145 uint32_t buf_len; 146 uint32_t client_type; 147 uint8_t buf[0]; 148 }; 149 150 struct cmd_start_pdu { 151 uint32_t jobs; 152 uint32_t stat_outputs; 153 }; 154 155 struct cmd_end_pdu { 156 uint32_t error; 157 uint32_t signal; 158 }; 159 160 struct cmd_add_job_pdu { 161 uint32_t thread_number; 162 uint32_t groupid; 163 struct thread_options_pack top; 164 }; 165 166 struct cmd_text_pdu { 167 uint32_t level; 168 uint32_t buf_len; 169 uint64_t log_sec; 170 uint64_t log_usec; 171 uint8_t buf[0]; 172 }; 173 174 struct cmd_iolog_pdu { 175 uint64_t nr_samples; 176 uint32_t thread_number; 177 uint32_t log_type; 178 uint32_t compressed; 179 uint32_t log_offset; 180 uint8_t name[FIO_NET_NAME_MAX]; 181 struct io_sample samples[0]; 182 }; 183 184 extern int fio_start_server(char *); 185 extern int fio_server_text_output(int, const char *, size_t); 186 extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t *, struct flist_head *); 187 extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *); 188 extern void fio_server_set_arg(const char *); 189 extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *, struct in6_addr *, int *); 190 extern int fio_server_parse_host(const char *, int, struct in_addr *, struct in6_addr *); 191 extern const char *fio_server_op(unsigned int); 192 extern void fio_server_got_signal(int); 193 194 struct thread_stat; 195 struct group_run_stats; 196 extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *); 197 extern void fio_server_send_gs(struct group_run_stats *); 198 extern void fio_server_send_du(void); 199 extern void fio_server_idle_loop(void); 200 extern int fio_server_get_verify_state(const char *, int, void **); 201 202 extern int fio_recv_data(int sk, void *p, unsigned int len); 203 extern int fio_send_data(int sk, const void *p, unsigned int len); 204 extern void fio_net_cmd_crc(struct fio_net_cmd *); 205 extern void fio_net_cmd_crc_pdu(struct fio_net_cmd *, const void *); 206 extern struct fio_net_cmd *fio_net_recv_cmd(int sk); 207 208 extern int fio_send_iolog(struct thread_data *, struct io_log *, const char *); 209 extern void fio_server_send_add_job(struct thread_data *); 210 extern void fio_server_send_start(struct thread_data *); 211 extern int fio_net_send_stop(int sk, int error, int signal); 212 extern int fio_net_send_quit(int sk); 213 214 extern int exit_backend; 215 extern int fio_net_port; 216 217 static inline void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, 218 uint32_t pdu_len, uint64_t tag) 219 { 220 memset(cmd, 0, sizeof(*cmd)); 221 222 cmd->version = __cpu_to_le16(FIO_SERVER_VER); 223 cmd->opcode = cpu_to_le16(opcode); 224 cmd->tag = cpu_to_le64(tag); 225 cmd->pdu_len = cpu_to_le32(pdu_len); 226 } 227 228 229 static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode, 230 const void *pdu, uint32_t pdu_len, 231 uint64_t tag) 232 { 233 __fio_init_net_cmd(cmd, opcode, pdu_len, tag); 234 235 if (pdu) 236 memcpy(&cmd->payload, pdu, pdu_len); 237 } 238 239 #endif 240
