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; 190 191 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 } 201 202 203 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
