Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
Jens Axboe | 142575e | 2011-09-30 17:35:45 -0600 | [diff] [blame] | 3 | #include <stdarg.h> |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 4 | #include <unistd.h> |
| 5 | #include <limits.h> |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 6 | #include <errno.h> |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 7 | #include <sys/poll.h> |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 8 | #include <sys/types.h> |
| 9 | #include <sys/wait.h> |
Jens Axboe | d05c4a0 | 2011-10-05 00:16:11 +0200 | [diff] [blame] | 10 | #include <sys/socket.h> |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 11 | #include <sys/stat.h> |
| 12 | #include <sys/un.h> |
Bruce Cran | 1f51bba | 2013-04-12 15:40:21 +0200 | [diff] [blame] | 13 | #include <sys/uio.h> |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 14 | #include <netinet/in.h> |
| 15 | #include <arpa/inet.h> |
| 16 | #include <netdb.h> |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 17 | #include <syslog.h> |
Jens Axboe | 9e22ecb | 2011-10-04 14:50:21 +0200 | [diff] [blame] | 18 | #include <signal.h> |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 19 | #ifdef CONFIG_ZLIB |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 20 | #include <zlib.h> |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 21 | #endif |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 22 | |
| 23 | #include "fio.h" |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 24 | #include "server.h" |
Jens Axboe | fcee5ff | 2011-09-30 22:50:39 -0600 | [diff] [blame] | 25 | #include "crc/crc16.h" |
Jens Axboe | c7c6cb4 | 2011-10-13 14:12:40 +0200 | [diff] [blame] | 26 | #include "lib/ieee754.h" |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 27 | |
Stephen M. Cameron | 5adc244 | 2012-02-24 08:17:31 +0100 | [diff] [blame] | 28 | int fio_net_port = FIO_NET_PORT; |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 29 | |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 30 | int exit_backend = 0; |
| 31 | |
Jens Axboe | 46c48f1 | 2011-10-01 12:50:51 -0600 | [diff] [blame] | 32 | static int server_fd = -1; |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 33 | static char *fio_server_arg; |
| 34 | static char *bind_sock; |
| 35 | static struct sockaddr_in saddr_in; |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 36 | static struct sockaddr_in6 saddr_in6; |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 37 | static int use_ipv6; |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 38 | #ifdef CONFIG_ZLIB |
| 39 | static unsigned int has_zlib = 1; |
| 40 | #else |
| 41 | static unsigned int has_zlib = 0; |
| 42 | #endif |
| 43 | static unsigned int use_zlib; |
Jens Axboe | 37db14f | 2011-09-30 17:00:42 -0600 | [diff] [blame] | 44 | |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 45 | struct fio_fork_item { |
| 46 | struct flist_head list; |
| 47 | int exitval; |
| 48 | int signal; |
| 49 | int exited; |
| 50 | pid_t pid; |
| 51 | }; |
| 52 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 53 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
| 54 | "", |
| 55 | "QUIT", |
| 56 | "EXIT", |
| 57 | "JOB", |
| 58 | "JOBLINE", |
| 59 | "TEXT", |
| 60 | "TS", |
| 61 | "GS", |
| 62 | "SEND_ETA", |
| 63 | "ETA", |
| 64 | "PROBE", |
| 65 | "START", |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 66 | "STOP", |
| 67 | "DISK_UTIL", |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 68 | "SERVER_START", |
Jens Axboe | 807f997 | 2012-03-02 10:25:24 +0100 | [diff] [blame] | 69 | "ADD_JOB", |
Jens Axboe | 8d7b618 | 2014-04-14 09:07:30 -0600 | [diff] [blame] | 70 | "CMD_RUN", |
Jens Axboe | c70e63e | 2012-03-15 08:26:18 +0100 | [diff] [blame] | 71 | "CMD_IOLOG", |
Jens Axboe | 3589918 | 2014-10-07 20:56:28 -0600 | [diff] [blame] | 72 | "CMD_UPDATE_JOB", |
| 73 | "CMD_LOAD_FILE", |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 74 | }; |
| 75 | |
| 76 | const char *fio_server_op(unsigned int op) |
| 77 | { |
| 78 | static char buf[32]; |
| 79 | |
| 80 | if (op < FIO_NET_CMD_NR) |
| 81 | return fio_server_ops[op]; |
| 82 | |
| 83 | sprintf(buf, "UNKNOWN/%d", op); |
| 84 | return buf; |
| 85 | } |
| 86 | |
Jens Axboe | 5235f62 | 2012-03-14 21:25:51 +0100 | [diff] [blame] | 87 | static ssize_t iov_total_len(const struct iovec *iov, int count) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 88 | { |
Jens Axboe | 5235f62 | 2012-03-14 21:25:51 +0100 | [diff] [blame] | 89 | ssize_t ret = 0; |
| 90 | |
| 91 | while (count--) { |
| 92 | ret += iov->iov_len; |
| 93 | iov++; |
| 94 | } |
| 95 | |
| 96 | return ret; |
| 97 | } |
| 98 | |
| 99 | static int fio_sendv_data(int sk, struct iovec *iov, int count) |
| 100 | { |
| 101 | ssize_t total_len = iov_total_len(iov, count); |
| 102 | ssize_t ret; |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 103 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 104 | do { |
Jens Axboe | 5235f62 | 2012-03-14 21:25:51 +0100 | [diff] [blame] | 105 | ret = writev(sk, iov, count); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 106 | if (ret > 0) { |
Jens Axboe | 5235f62 | 2012-03-14 21:25:51 +0100 | [diff] [blame] | 107 | total_len -= ret; |
| 108 | if (!total_len) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 109 | break; |
Jens Axboe | 5235f62 | 2012-03-14 21:25:51 +0100 | [diff] [blame] | 110 | |
| 111 | while (ret) { |
| 112 | if (ret >= iov->iov_len) { |
| 113 | ret -= iov->iov_len; |
| 114 | iov++; |
| 115 | continue; |
| 116 | } |
| 117 | iov->iov_base += ret; |
| 118 | iov->iov_len -= ret; |
| 119 | ret = 0; |
| 120 | } |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 121 | } else if (!ret) |
| 122 | break; |
| 123 | else if (errno == EAGAIN || errno == EINTR) |
| 124 | continue; |
Jens Axboe | 7b82168 | 2011-10-11 12:16:32 +0200 | [diff] [blame] | 125 | else |
| 126 | break; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 127 | } while (!exit_backend); |
| 128 | |
Jens Axboe | 5235f62 | 2012-03-14 21:25:51 +0100 | [diff] [blame] | 129 | if (!total_len) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 130 | return 0; |
| 131 | |
Jens Axboe | 8b4e61b | 2012-03-09 17:10:54 +0100 | [diff] [blame] | 132 | if (errno) |
| 133 | return -errno; |
| 134 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 135 | return 1; |
| 136 | } |
| 137 | |
Jens Axboe | 5235f62 | 2012-03-14 21:25:51 +0100 | [diff] [blame] | 138 | int fio_send_data(int sk, const void *p, unsigned int len) |
| 139 | { |
| 140 | struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; |
| 141 | |
| 142 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); |
| 143 | |
| 144 | return fio_sendv_data(sk, &iov, 1); |
| 145 | } |
| 146 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 147 | int fio_recv_data(int sk, void *p, unsigned int len) |
| 148 | { |
| 149 | do { |
| 150 | int ret = recv(sk, p, len, MSG_WAITALL); |
| 151 | |
| 152 | if (ret > 0) { |
| 153 | len -= ret; |
| 154 | if (!len) |
| 155 | break; |
| 156 | p += ret; |
| 157 | continue; |
| 158 | } else if (!ret) |
| 159 | break; |
| 160 | else if (errno == EAGAIN || errno == EINTR) |
| 161 | continue; |
Jens Axboe | 7b82168 | 2011-10-11 12:16:32 +0200 | [diff] [blame] | 162 | else |
| 163 | break; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 164 | } while (!exit_backend); |
| 165 | |
| 166 | if (!len) |
| 167 | return 0; |
| 168 | |
| 169 | return -1; |
| 170 | } |
| 171 | |
| 172 | static int verify_convert_cmd(struct fio_net_cmd *cmd) |
| 173 | { |
Jens Axboe | fcee5ff | 2011-09-30 22:50:39 -0600 | [diff] [blame] | 174 | uint16_t crc; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 175 | |
Jens Axboe | fcee5ff | 2011-09-30 22:50:39 -0600 | [diff] [blame] | 176 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
| 177 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 178 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 179 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
Jens Axboe | fcee5ff | 2011-09-30 22:50:39 -0600 | [diff] [blame] | 180 | if (crc != cmd->cmd_crc16) { |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 181 | log_err("fio: server bad crc on command (got %x, wanted %x)\n", |
Jens Axboe | fcee5ff | 2011-09-30 22:50:39 -0600 | [diff] [blame] | 182 | cmd->cmd_crc16, crc); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 183 | return 1; |
| 184 | } |
| 185 | |
| 186 | cmd->version = le16_to_cpu(cmd->version); |
| 187 | cmd->opcode = le16_to_cpu(cmd->opcode); |
| 188 | cmd->flags = le32_to_cpu(cmd->flags); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 189 | cmd->tag = le64_to_cpu(cmd->tag); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 190 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
| 191 | |
| 192 | switch (cmd->version) { |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 193 | case FIO_SERVER_VER: |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 194 | break; |
| 195 | default: |
| 196 | log_err("fio: bad server cmd version %d\n", cmd->version); |
| 197 | return 1; |
| 198 | } |
| 199 | |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 200 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 201 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
| 202 | return 1; |
| 203 | } |
| 204 | |
| 205 | return 0; |
| 206 | } |
| 207 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 208 | /* |
| 209 | * Read (and defragment, if necessary) incoming commands |
| 210 | */ |
Jens Axboe | e951bdc | 2011-10-05 21:58:45 +0200 | [diff] [blame] | 211 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 212 | { |
Jens Axboe | dfbf1f6 | 2014-04-14 11:43:47 -0600 | [diff] [blame] | 213 | struct fio_net_cmd cmd, *tmp, *cmdret = NULL; |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 214 | size_t cmd_size = 0, pdu_offset = 0; |
Jens Axboe | fcee5ff | 2011-09-30 22:50:39 -0600 | [diff] [blame] | 215 | uint16_t crc; |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 216 | int ret, first = 1; |
| 217 | void *pdu = NULL; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 218 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 219 | do { |
| 220 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); |
| 221 | if (ret) |
| 222 | break; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 223 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 224 | /* We have a command, verify it and swap if need be */ |
| 225 | ret = verify_convert_cmd(&cmd); |
| 226 | if (ret) |
| 227 | break; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 228 | |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 229 | if (first) { |
| 230 | /* if this is text, add room for \0 at the end */ |
| 231 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; |
| 232 | assert(!cmdret); |
| 233 | } else |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 234 | cmd_size += cmd.pdu_len; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 235 | |
Jens Axboe | dfbf1f6 | 2014-04-14 11:43:47 -0600 | [diff] [blame] | 236 | if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) { |
| 237 | log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size); |
| 238 | ret = 1; |
| 239 | break; |
| 240 | } |
| 241 | |
| 242 | tmp = realloc(cmdret, cmd_size); |
| 243 | if (!tmp) { |
| 244 | log_err("fio: server failed allocating cmd\n"); |
| 245 | ret = 1; |
| 246 | break; |
| 247 | } |
| 248 | cmdret = tmp; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 249 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 250 | if (first) |
| 251 | memcpy(cmdret, &cmd, sizeof(cmd)); |
Jens Axboe | 67f15dc | 2011-10-15 16:07:40 +0200 | [diff] [blame] | 252 | else if (cmdret->opcode != cmd.opcode) { |
| 253 | log_err("fio: fragment opcode mismatch (%d != %d)\n", |
| 254 | cmdret->opcode, cmd.opcode); |
| 255 | ret = 1; |
| 256 | break; |
| 257 | } |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 258 | |
| 259 | if (!cmd.pdu_len) |
| 260 | break; |
| 261 | |
| 262 | /* There's payload, get it */ |
| 263 | pdu = (void *) cmdret->payload + pdu_offset; |
| 264 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); |
| 265 | if (ret) |
| 266 | break; |
| 267 | |
| 268 | /* Verify payload crc */ |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 269 | crc = fio_crc16(pdu, cmd.pdu_len); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 270 | if (crc != cmd.pdu_crc16) { |
| 271 | log_err("fio: server bad crc on payload "); |
| 272 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); |
| 273 | ret = 1; |
| 274 | break; |
| 275 | } |
| 276 | |
| 277 | pdu_offset += cmd.pdu_len; |
Jens Axboe | 817f06b | 2011-10-03 15:03:08 +0200 | [diff] [blame] | 278 | if (!first) |
| 279 | cmdret->pdu_len += cmd.pdu_len; |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 280 | first = 0; |
| 281 | } while (cmd.flags & FIO_NET_CMD_F_MORE); |
| 282 | |
| 283 | if (ret) { |
| 284 | free(cmdret); |
| 285 | cmdret = NULL; |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 286 | } else if (cmdret) { |
| 287 | /* zero-terminate text input */ |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 288 | if (cmdret->pdu_len) { |
| 289 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { |
| 290 | struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmdret->payload; |
| 291 | char *buf = (char *) pdu->buf; |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 292 | |
Jens Axboe | 3c3ed07 | 2012-03-27 09:12:39 +0200 | [diff] [blame] | 293 | buf[pdu->buf_len] = '\0'; |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 294 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 295 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmdret->payload; |
| 296 | char *buf = (char *) pdu->buf; |
| 297 | int len = le32_to_cpu(pdu->buf_len); |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 298 | |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 299 | buf[len] = '\0'; |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 300 | } |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 301 | } |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 302 | |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 303 | /* frag flag is internal */ |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 304 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 305 | } |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 306 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 307 | return cmdret; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 308 | } |
| 309 | |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 310 | static void add_reply(uint64_t tag, struct flist_head *list) |
| 311 | { |
Aaron Carroll | a572bbf | 2013-04-12 07:55:02 +0200 | [diff] [blame] | 312 | struct fio_net_cmd_reply *reply; |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 313 | |
Aaron Carroll | a572bbf | 2013-04-12 07:55:02 +0200 | [diff] [blame] | 314 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 315 | flist_add_tail(&reply->list, list); |
| 316 | } |
| 317 | |
| 318 | static uint64_t alloc_reply(uint64_t tag, uint16_t opcode) |
| 319 | { |
| 320 | struct fio_net_cmd_reply *reply; |
| 321 | |
| 322 | reply = calloc(1, sizeof(*reply)); |
| 323 | INIT_FLIST_HEAD(&reply->list); |
| 324 | gettimeofday(&reply->tv, NULL); |
| 325 | reply->saved_tag = tag; |
| 326 | reply->opcode = opcode; |
| 327 | |
| 328 | return (uintptr_t) reply; |
| 329 | } |
| 330 | |
| 331 | static void free_reply(uint64_t tag) |
| 332 | { |
Aaron Carroll | a572bbf | 2013-04-12 07:55:02 +0200 | [diff] [blame] | 333 | struct fio_net_cmd_reply *reply; |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 334 | |
Aaron Carroll | a572bbf | 2013-04-12 07:55:02 +0200 | [diff] [blame] | 335 | reply = (struct fio_net_cmd_reply *) (uintptr_t) tag; |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 336 | free(reply); |
| 337 | } |
| 338 | |
Jens Axboe | 53bd8db | 2012-03-14 21:51:38 +0100 | [diff] [blame] | 339 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 340 | { |
| 341 | uint32_t pdu_len; |
| 342 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 343 | cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 344 | |
| 345 | pdu_len = le32_to_cpu(cmd->pdu_len); |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 346 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
| 347 | } |
| 348 | |
| 349 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) |
| 350 | { |
| 351 | fio_net_cmd_crc_pdu(cmd, cmd->payload); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 352 | } |
| 353 | |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 354 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 355 | uint64_t *tagptr, struct flist_head *list) |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 356 | { |
Jens Axboe | 7f86831 | 2011-10-10 09:55:21 +0200 | [diff] [blame] | 357 | struct fio_net_cmd *cmd = NULL; |
| 358 | size_t this_len, cur_len = 0; |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 359 | uint64_t tag; |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 360 | int ret; |
| 361 | |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 362 | if (list) { |
| 363 | assert(tagptr); |
| 364 | tag = *tagptr = alloc_reply(*tagptr, opcode); |
| 365 | } else |
| 366 | tag = tagptr ? *tagptr : 0; |
| 367 | |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 368 | do { |
| 369 | this_len = size; |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 370 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
| 371 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 372 | |
Jens Axboe | 7f86831 | 2011-10-10 09:55:21 +0200 | [diff] [blame] | 373 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
| 374 | if (cmd) |
| 375 | free(cmd); |
| 376 | |
| 377 | cur_len = sizeof(*cmd) + this_len; |
| 378 | cmd = malloc(cur_len); |
| 379 | } |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 380 | |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 381 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 382 | |
| 383 | if (this_len < size) |
Jens Axboe | ddcc0b6 | 2011-10-03 14:45:27 +0200 | [diff] [blame] | 384 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 385 | |
| 386 | fio_net_cmd_crc(cmd); |
| 387 | |
| 388 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 389 | size -= this_len; |
| 390 | buf += this_len; |
| 391 | } while (!ret && size); |
| 392 | |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 393 | if (list) { |
| 394 | if (ret) |
| 395 | free_reply(tag); |
| 396 | else |
| 397 | add_reply(tag, list); |
| 398 | } |
| 399 | |
Jens Axboe | 7f86831 | 2011-10-10 09:55:21 +0200 | [diff] [blame] | 400 | if (cmd) |
| 401 | free(cmd); |
| 402 | |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 403 | return ret; |
| 404 | } |
| 405 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 406 | static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 407 | { |
Jens Axboe | 178cde9 | 2011-10-05 22:14:31 +0200 | [diff] [blame] | 408 | struct fio_net_cmd cmd; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 409 | |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 410 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 411 | fio_net_cmd_crc(&cmd); |
| 412 | |
| 413 | return fio_send_data(sk, &cmd, sizeof(cmd)); |
| 414 | } |
| 415 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 416 | /* |
| 417 | * If 'list' is non-NULL, then allocate and store the sent command for |
| 418 | * later verification. |
| 419 | */ |
| 420 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, |
| 421 | struct flist_head *list) |
| 422 | { |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 423 | int ret; |
| 424 | |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 425 | if (list) |
| 426 | tag = alloc_reply(tag, opcode); |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 427 | |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 428 | ret = fio_net_send_simple_stack_cmd(sk, opcode, tag); |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 429 | if (ret) { |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 430 | if (list) |
| 431 | free_reply(tag); |
| 432 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 433 | return ret; |
| 434 | } |
| 435 | |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 436 | if (list) |
| 437 | add_reply(tag, list); |
| 438 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 439 | return 0; |
| 440 | } |
| 441 | |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 442 | int fio_net_send_quit(int sk) |
Jens Axboe | 437377e | 2011-10-01 08:31:30 -0600 | [diff] [blame] | 443 | { |
Jens Axboe | 46c48f1 | 2011-10-01 12:50:51 -0600 | [diff] [blame] | 444 | dprint(FD_NET, "server: sending quit\n"); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 445 | |
Jens Axboe | 8c95307 | 2012-03-20 14:35:35 +0100 | [diff] [blame] | 446 | return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL); |
Jens Axboe | 437377e | 2011-10-01 08:31:30 -0600 | [diff] [blame] | 447 | } |
| 448 | |
Jens Axboe | f58bd2a | 2012-03-27 10:06:42 +0200 | [diff] [blame] | 449 | static int fio_net_send_ack(int sk, struct fio_net_cmd *cmd, int error, |
| 450 | int signal) |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 451 | { |
| 452 | struct cmd_end_pdu epdu; |
Jens Axboe | f58bd2a | 2012-03-27 10:06:42 +0200 | [diff] [blame] | 453 | uint64_t tag = 0; |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 454 | |
Jens Axboe | f58bd2a | 2012-03-27 10:06:42 +0200 | [diff] [blame] | 455 | if (cmd) |
| 456 | tag = cmd->tag; |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 457 | |
| 458 | epdu.error = __cpu_to_le32(error); |
| 459 | epdu.signal = __cpu_to_le32(signal); |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 460 | return fio_net_send_cmd(sk, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, NULL); |
Jens Axboe | f58bd2a | 2012-03-27 10:06:42 +0200 | [diff] [blame] | 461 | } |
| 462 | |
| 463 | int fio_net_send_stop(int sk, int error, int signal) |
| 464 | { |
| 465 | dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal); |
| 466 | return fio_net_send_ack(sk, NULL, error, signal); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 467 | } |
| 468 | |
| 469 | static void fio_server_add_fork_item(pid_t pid, struct flist_head *list) |
| 470 | { |
| 471 | struct fio_fork_item *ffi; |
| 472 | |
| 473 | ffi = malloc(sizeof(*ffi)); |
| 474 | ffi->exitval = 0; |
| 475 | ffi->signal = 0; |
| 476 | ffi->exited = 0; |
| 477 | ffi->pid = pid; |
| 478 | flist_add_tail(&ffi->list, list); |
| 479 | } |
| 480 | |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 481 | static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid) |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 482 | { |
Jens Axboe | a7533db | 2013-11-06 11:19:42 -0700 | [diff] [blame] | 483 | dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid); |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 484 | fio_server_add_fork_item(pid, conn_list); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 485 | } |
| 486 | |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 487 | static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid) |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 488 | { |
Jens Axboe | a7533db | 2013-11-06 11:19:42 -0700 | [diff] [blame] | 489 | dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid); |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 490 | fio_server_add_fork_item(pid, job_list); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 491 | } |
| 492 | |
| 493 | static void fio_server_check_fork_item(struct fio_fork_item *ffi) |
| 494 | { |
| 495 | int ret, status; |
| 496 | |
| 497 | ret = waitpid(ffi->pid, &status, WNOHANG); |
| 498 | if (ret < 0) { |
| 499 | if (errno == ECHILD) { |
Jens Axboe | a7533db | 2013-11-06 11:19:42 -0700 | [diff] [blame] | 500 | log_err("fio: connection pid %u disappeared\n", (int) ffi->pid); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 501 | ffi->exited = 1; |
| 502 | } else |
| 503 | log_err("fio: waitpid: %s\n", strerror(errno)); |
| 504 | } else if (ret == ffi->pid) { |
| 505 | if (WIFSIGNALED(status)) { |
| 506 | ffi->signal = WTERMSIG(status); |
| 507 | ffi->exited = 1; |
| 508 | } |
| 509 | if (WIFEXITED(status)) { |
| 510 | if (WEXITSTATUS(status)) |
| 511 | ffi->exitval = WEXITSTATUS(status); |
| 512 | ffi->exited = 1; |
| 513 | } |
| 514 | } |
| 515 | } |
| 516 | |
| 517 | static void fio_server_fork_item_done(struct fio_fork_item *ffi) |
| 518 | { |
Jens Axboe | a7533db | 2013-11-06 11:19:42 -0700 | [diff] [blame] | 519 | dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 520 | |
| 521 | /* |
| 522 | * Fold STOP and QUIT... |
| 523 | */ |
| 524 | fio_net_send_stop(server_fd, ffi->exitval, ffi->signal); |
| 525 | fio_net_send_quit(server_fd); |
| 526 | flist_del(&ffi->list); |
| 527 | free(ffi); |
| 528 | } |
| 529 | |
Jens Axboe | 5416325 | 2012-03-23 12:25:18 +0100 | [diff] [blame] | 530 | static void fio_server_check_fork_items(struct flist_head *list) |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 531 | { |
| 532 | struct flist_head *entry, *tmp; |
| 533 | struct fio_fork_item *ffi; |
| 534 | |
| 535 | flist_for_each_safe(entry, tmp, list) { |
| 536 | ffi = flist_entry(entry, struct fio_fork_item, list); |
| 537 | |
| 538 | fio_server_check_fork_item(ffi); |
| 539 | |
| 540 | if (ffi->exited) |
| 541 | fio_server_fork_item_done(ffi); |
| 542 | } |
| 543 | } |
| 544 | |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 545 | static void fio_server_check_jobs(struct flist_head *job_list) |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 546 | { |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 547 | fio_server_check_fork_items(job_list); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 548 | } |
| 549 | |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 550 | static void fio_server_check_conns(struct flist_head *conn_list) |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 551 | { |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 552 | fio_server_check_fork_items(conn_list); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 553 | } |
| 554 | |
Jens Axboe | 3589918 | 2014-10-07 20:56:28 -0600 | [diff] [blame] | 555 | static int handle_load_file_cmd(struct fio_net_cmd *cmd) |
| 556 | { |
| 557 | struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload; |
| 558 | void *file_name = pdu->file; |
| 559 | struct cmd_start_pdu spdu; |
| 560 | |
| 561 | dprint(FD_NET, "server: loading local file %s\n", (char *) file_name); |
| 562 | |
| 563 | pdu->name_len = le16_to_cpu(pdu->name_len); |
| 564 | pdu->client_type = le16_to_cpu(pdu->client_type); |
| 565 | |
| 566 | if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) { |
| 567 | fio_net_send_quit(server_fd); |
| 568 | return -1; |
| 569 | } |
| 570 | |
| 571 | spdu.jobs = cpu_to_le32(thread_number); |
| 572 | spdu.stat_outputs = cpu_to_le32(stat_number); |
| 573 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
| 574 | return 0; |
| 575 | } |
| 576 | |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 577 | static int handle_run_cmd(struct flist_head *job_list, struct fio_net_cmd *cmd) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 578 | { |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 579 | pid_t pid; |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 580 | int ret; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 581 | |
Jens Axboe | 386626f | 2014-06-09 13:25:13 -0600 | [diff] [blame] | 582 | fio_time_init(); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 583 | set_genesis_time(); |
| 584 | |
| 585 | pid = fork(); |
| 586 | if (pid) { |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 587 | fio_server_add_job_pid(job_list, pid); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 588 | return 0; |
| 589 | } |
| 590 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 591 | ret = fio_backend(); |
Jens Axboe | 2bb3f0a | 2012-03-28 12:22:40 +0200 | [diff] [blame] | 592 | free_threads_shm(); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 593 | _exit(ret); |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 594 | } |
| 595 | |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 596 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
| 597 | { |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 598 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
| 599 | void *buf = pdu->buf; |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 600 | struct cmd_start_pdu spdu; |
| 601 | |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 602 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
| 603 | pdu->client_type = le32_to_cpu(pdu->client_type); |
| 604 | |
| 605 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 606 | fio_net_send_quit(server_fd); |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 607 | return -1; |
| 608 | } |
| 609 | |
| 610 | spdu.jobs = cpu_to_le32(thread_number); |
Jens Axboe | 108fea7 | 2012-11-14 13:09:45 -0700 | [diff] [blame] | 611 | spdu.stat_outputs = cpu_to_le32(stat_number); |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 612 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 613 | return 0; |
| 614 | } |
| 615 | |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 616 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
| 617 | { |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 618 | void *pdu = cmd->payload; |
| 619 | struct cmd_single_line_pdu *cslp; |
| 620 | struct cmd_line_pdu *clp; |
| 621 | unsigned long offset; |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 622 | struct cmd_start_pdu spdu; |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 623 | char **argv; |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 624 | int i; |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 625 | |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 626 | clp = pdu; |
| 627 | clp->lines = le16_to_cpu(clp->lines); |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 628 | clp->client_type = le16_to_cpu(clp->client_type); |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 629 | argv = malloc(clp->lines * sizeof(char *)); |
| 630 | offset = sizeof(*clp); |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 631 | |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 632 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
Jens Axboe | 39e8e01 | 2011-10-04 13:46:08 +0200 | [diff] [blame] | 633 | |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 634 | for (i = 0; i < clp->lines; i++) { |
| 635 | cslp = pdu + offset; |
| 636 | argv[i] = (char *) cslp->text; |
| 637 | |
| 638 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); |
Jens Axboe | 39e8e01 | 2011-10-04 13:46:08 +0200 | [diff] [blame] | 639 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
| 640 | } |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 641 | |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 642 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 643 | fio_net_send_quit(server_fd); |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 644 | free(argv); |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 645 | return -1; |
Jens Axboe | e6d1c66 | 2011-10-05 20:41:06 +0200 | [diff] [blame] | 646 | } |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 647 | |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 648 | free(argv); |
| 649 | |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 650 | spdu.jobs = cpu_to_le32(thread_number); |
Jens Axboe | 1e5324e | 2012-11-14 14:25:31 -0700 | [diff] [blame] | 651 | spdu.stat_outputs = cpu_to_le32(stat_number); |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 652 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL); |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 653 | return 0; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 654 | } |
| 655 | |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 656 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
| 657 | { |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 658 | struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload; |
| 659 | struct cmd_probe_reply_pdu probe; |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 660 | uint64_t tag = cmd->tag; |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 661 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 662 | dprint(FD_NET, "server: sending probe reply\n"); |
| 663 | |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 664 | memset(&probe, 0, sizeof(probe)); |
| 665 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); |
Jens Axboe | 0dcebdf | 2013-01-23 15:42:16 -0700 | [diff] [blame] | 666 | #ifdef CONFIG_BIG_ENDIAN |
Jens Axboe | 6eb2479 | 2011-10-04 15:00:30 +0200 | [diff] [blame] | 667 | probe.bigendian = 1; |
| 668 | #endif |
Jens Axboe | 750db47 | 2012-04-16 11:44:48 +0200 | [diff] [blame] | 669 | strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version)); |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 670 | |
Jens Axboe | cca8464 | 2011-10-07 12:47:57 +0200 | [diff] [blame] | 671 | probe.os = FIO_OS; |
| 672 | probe.arch = FIO_ARCH; |
Jens Axboe | 38fdef2 | 2011-10-11 14:30:06 +0200 | [diff] [blame] | 673 | probe.bpp = sizeof(void *); |
Jens Axboe | d31e26d | 2012-03-28 21:38:24 +0200 | [diff] [blame] | 674 | probe.cpus = __cpu_to_le32(cpus_online()); |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 675 | |
| 676 | /* |
| 677 | * If the client supports compression and we do too, then enable it |
| 678 | */ |
| 679 | if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) { |
| 680 | probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB); |
| 681 | use_zlib = 1; |
| 682 | } else { |
| 683 | probe.flags = 0; |
| 684 | use_zlib = 0; |
| 685 | } |
Jens Axboe | 38fdef2 | 2011-10-11 14:30:06 +0200 | [diff] [blame] | 686 | |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 687 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, NULL); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 688 | } |
| 689 | |
| 690 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) |
| 691 | { |
| 692 | struct jobs_eta *je; |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 693 | uint64_t tag = cmd->tag; |
Jens Axboe | 61f6cce | 2014-06-24 08:40:21 -0600 | [diff] [blame] | 694 | size_t size; |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 695 | int i; |
| 696 | |
Jens Axboe | 61f6cce | 2014-06-24 08:40:21 -0600 | [diff] [blame] | 697 | je = get_jobs_eta(1, &size); |
| 698 | if (!je) |
Jens Axboe | b814fb2 | 2011-10-12 09:20:34 +0200 | [diff] [blame] | 699 | return 0; |
| 700 | |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 701 | dprint(FD_NET, "server sending status\n"); |
| 702 | |
| 703 | je->nr_running = cpu_to_le32(je->nr_running); |
| 704 | je->nr_ramp = cpu_to_le32(je->nr_ramp); |
| 705 | je->nr_pending = cpu_to_le32(je->nr_pending); |
Jens Axboe | 714e85f | 2013-04-15 10:21:56 +0200 | [diff] [blame] | 706 | je->nr_setting_up = cpu_to_le32(je->nr_setting_up); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 707 | je->files_open = cpu_to_le32(je->files_open); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 708 | |
Jens Axboe | 298921d | 2012-09-24 18:47:01 +0200 | [diff] [blame] | 709 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
Jens Axboe | 3e47bd2 | 2012-02-29 13:45:02 +0100 | [diff] [blame] | 710 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); |
| 711 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); |
| 712 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); |
| 713 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); |
Jens Axboe | 16725bb | 2013-04-11 12:43:05 +0200 | [diff] [blame] | 714 | je->rate[i] = cpu_to_le32(je->rate[i]); |
| 715 | je->iops[i] = cpu_to_le32(je->iops[i]); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 716 | } |
| 717 | |
Jens Axboe | c1970b9 | 2012-03-06 15:37:40 +0100 | [diff] [blame] | 718 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 719 | je->eta_sec = cpu_to_le64(je->eta_sec); |
Jens Axboe | 8c621fb | 2012-03-08 12:30:48 +0100 | [diff] [blame] | 720 | je->nr_threads = cpu_to_le32(je->nr_threads); |
Jens Axboe | b7f05eb | 2012-05-11 20:33:02 +0200 | [diff] [blame] | 721 | je->is_pow2 = cpu_to_le32(je->is_pow2); |
Jens Axboe | ed2c0a1 | 2013-04-11 12:55:16 +0200 | [diff] [blame] | 722 | je->unit_base = cpu_to_le32(je->unit_base); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 723 | |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 724 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, &tag, NULL); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 725 | free(je); |
| 726 | return 0; |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 727 | } |
| 728 | |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 729 | static int send_update_job_reply(int fd, uint64_t __tag, int error) |
| 730 | { |
| 731 | uint64_t tag = __tag; |
| 732 | uint32_t pdu_error; |
| 733 | |
| 734 | pdu_error = __cpu_to_le32(error); |
| 735 | return fio_net_send_cmd(fd, FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, NULL); |
| 736 | } |
| 737 | |
Jens Axboe | f58bd2a | 2012-03-27 10:06:42 +0200 | [diff] [blame] | 738 | static int handle_update_job_cmd(struct fio_net_cmd *cmd) |
| 739 | { |
| 740 | struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload; |
| 741 | struct thread_data *td; |
| 742 | uint32_t tnumber; |
| 743 | |
| 744 | tnumber = le32_to_cpu(pdu->thread_number); |
| 745 | |
| 746 | dprint(FD_NET, "server: updating options for job %u\n", tnumber); |
| 747 | |
Jens Axboe | 30ffacb | 2012-03-28 09:15:05 +0200 | [diff] [blame] | 748 | if (!tnumber || tnumber > thread_number) { |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 749 | send_update_job_reply(server_fd, cmd->tag, ENODEV); |
Jens Axboe | f58bd2a | 2012-03-27 10:06:42 +0200 | [diff] [blame] | 750 | return 0; |
| 751 | } |
| 752 | |
Jens Axboe | 30ffacb | 2012-03-28 09:15:05 +0200 | [diff] [blame] | 753 | td = &threads[tnumber - 1]; |
Jens Axboe | f58bd2a | 2012-03-27 10:06:42 +0200 | [diff] [blame] | 754 | convert_thread_options_to_cpu(&td->o, &pdu->top); |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 755 | send_update_job_reply(server_fd, cmd->tag, 0); |
Jens Axboe | f58bd2a | 2012-03-27 10:06:42 +0200 | [diff] [blame] | 756 | return 0; |
| 757 | } |
| 758 | |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 759 | static int handle_command(struct flist_head *job_list, struct fio_net_cmd *cmd) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 760 | { |
| 761 | int ret; |
| 762 | |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 763 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n", |
| 764 | fio_server_op(cmd->opcode), cmd->pdu_len, |
| 765 | (unsigned long long) cmd->tag); |
Jens Axboe | 46c48f1 | 2011-10-01 12:50:51 -0600 | [diff] [blame] | 766 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 767 | switch (cmd->opcode) { |
| 768 | case FIO_NET_CMD_QUIT: |
Jens Axboe | cc0df00 | 2011-10-03 20:53:32 +0200 | [diff] [blame] | 769 | fio_terminate_threads(TERMINATE_ALL); |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 770 | return -1; |
Jens Axboe | d795918 | 2011-10-03 11:48:39 +0200 | [diff] [blame] | 771 | case FIO_NET_CMD_EXIT: |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 772 | exit_backend = 1; |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 773 | return -1; |
Jens Axboe | 3589918 | 2014-10-07 20:56:28 -0600 | [diff] [blame] | 774 | case FIO_NET_CMD_LOAD_FILE: |
| 775 | ret = handle_load_file_cmd(cmd); |
| 776 | break; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 777 | case FIO_NET_CMD_JOB: |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 778 | ret = handle_job_cmd(cmd); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 779 | break; |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 780 | case FIO_NET_CMD_JOBLINE: |
| 781 | ret = handle_jobline_cmd(cmd); |
| 782 | break; |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 783 | case FIO_NET_CMD_PROBE: |
| 784 | ret = handle_probe_cmd(cmd); |
| 785 | break; |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 786 | case FIO_NET_CMD_SEND_ETA: |
| 787 | ret = handle_send_eta_cmd(cmd); |
| 788 | break; |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 789 | case FIO_NET_CMD_RUN: |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 790 | ret = handle_run_cmd(job_list, cmd); |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 791 | break; |
Jens Axboe | f58bd2a | 2012-03-27 10:06:42 +0200 | [diff] [blame] | 792 | case FIO_NET_CMD_UPDATE_JOB: |
| 793 | ret = handle_update_job_cmd(cmd); |
| 794 | break; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 795 | default: |
Jens Axboe | 3c3ed07 | 2012-03-27 09:12:39 +0200 | [diff] [blame] | 796 | log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode)); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 797 | ret = 1; |
| 798 | } |
| 799 | |
| 800 | return ret; |
| 801 | } |
| 802 | |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 803 | static int handle_connection(int sk) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 804 | { |
| 805 | struct fio_net_cmd *cmd = NULL; |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 806 | FLIST_HEAD(job_list); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 807 | int ret = 0; |
| 808 | |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 809 | reset_fio_state(); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 810 | server_fd = sk; |
| 811 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 812 | /* read forever */ |
| 813 | while (!exit_backend) { |
Jens Axboe | e951bdc | 2011-10-05 21:58:45 +0200 | [diff] [blame] | 814 | struct pollfd pfd = { |
| 815 | .fd = sk, |
| 816 | .events = POLLIN, |
| 817 | }; |
| 818 | |
| 819 | ret = 0; |
| 820 | do { |
Jens Axboe | 5416325 | 2012-03-23 12:25:18 +0100 | [diff] [blame] | 821 | int timeout = 1000; |
| 822 | |
| 823 | if (!flist_empty(&job_list)) |
| 824 | timeout = 100; |
Jens Axboe | 3c3ed07 | 2012-03-27 09:12:39 +0200 | [diff] [blame] | 825 | |
Jens Axboe | 5416325 | 2012-03-23 12:25:18 +0100 | [diff] [blame] | 826 | ret = poll(&pfd, 1, timeout); |
Jens Axboe | e951bdc | 2011-10-05 21:58:45 +0200 | [diff] [blame] | 827 | if (ret < 0) { |
| 828 | if (errno == EINTR) |
| 829 | break; |
| 830 | log_err("fio: poll: %s\n", strerror(errno)); |
| 831 | break; |
Jens Axboe | 19c6517 | 2011-10-05 22:05:37 +0200 | [diff] [blame] | 832 | } else if (!ret) { |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 833 | fio_server_check_jobs(&job_list); |
Jens Axboe | e951bdc | 2011-10-05 21:58:45 +0200 | [diff] [blame] | 834 | continue; |
Jens Axboe | 19c6517 | 2011-10-05 22:05:37 +0200 | [diff] [blame] | 835 | } |
Jens Axboe | e951bdc | 2011-10-05 21:58:45 +0200 | [diff] [blame] | 836 | |
| 837 | if (pfd.revents & POLLIN) |
| 838 | break; |
| 839 | if (pfd.revents & (POLLERR|POLLHUP)) { |
| 840 | ret = 1; |
| 841 | break; |
| 842 | } |
Jens Axboe | 19c6517 | 2011-10-05 22:05:37 +0200 | [diff] [blame] | 843 | } while (!exit_backend); |
Jens Axboe | e951bdc | 2011-10-05 21:58:45 +0200 | [diff] [blame] | 844 | |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 845 | fio_server_check_jobs(&job_list); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 846 | |
Jens Axboe | e951bdc | 2011-10-05 21:58:45 +0200 | [diff] [blame] | 847 | if (ret < 0) |
| 848 | break; |
| 849 | |
| 850 | cmd = fio_net_recv_cmd(sk); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 851 | if (!cmd) { |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 852 | ret = -1; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 853 | break; |
| 854 | } |
| 855 | |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 856 | ret = handle_command(&job_list, cmd); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 857 | if (ret) |
| 858 | break; |
| 859 | |
| 860 | free(cmd); |
Jens Axboe | c77a99e | 2011-10-01 16:26:42 -0400 | [diff] [blame] | 861 | cmd = NULL; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 862 | } |
| 863 | |
| 864 | if (cmd) |
| 865 | free(cmd); |
| 866 | |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 867 | close(sk); |
| 868 | _exit(ret); |
Jens Axboe | cc0df00 | 2011-10-03 20:53:32 +0200 | [diff] [blame] | 869 | } |
| 870 | |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 871 | static int accept_loop(int listen_sk) |
| 872 | { |
Jens Axboe | bb447a2 | 2011-10-04 15:06:42 +0200 | [diff] [blame] | 873 | struct sockaddr_in addr; |
Jens Axboe | 479471c | 2014-01-23 20:42:06 -0800 | [diff] [blame] | 874 | struct sockaddr_in6 addr6; |
| 875 | socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr); |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 876 | struct pollfd pfd; |
Jens Axboe | 4a85161 | 2014-04-14 10:04:21 -0600 | [diff] [blame] | 877 | int ret = 0, sk, exitval = 0; |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 878 | FLIST_HEAD(conn_list); |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 879 | |
Jens Axboe | 60efd14 | 2011-10-04 13:30:11 +0200 | [diff] [blame] | 880 | dprint(FD_NET, "server enter accept loop\n"); |
| 881 | |
Jens Axboe | 4a85161 | 2014-04-14 10:04:21 -0600 | [diff] [blame] | 882 | fio_set_fd_nonblocking(listen_sk, "server"); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 883 | |
| 884 | while (!exit_backend) { |
Jens Axboe | 479471c | 2014-01-23 20:42:06 -0800 | [diff] [blame] | 885 | const char *from; |
| 886 | char buf[64]; |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 887 | pid_t pid; |
| 888 | |
| 889 | pfd.fd = listen_sk; |
| 890 | pfd.events = POLLIN; |
| 891 | do { |
Jens Axboe | 5416325 | 2012-03-23 12:25:18 +0100 | [diff] [blame] | 892 | int timeout = 1000; |
| 893 | |
| 894 | if (!flist_empty(&conn_list)) |
| 895 | timeout = 100; |
| 896 | |
| 897 | ret = poll(&pfd, 1, timeout); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 898 | if (ret < 0) { |
| 899 | if (errno == EINTR) |
| 900 | break; |
| 901 | log_err("fio: poll: %s\n", strerror(errno)); |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 902 | break; |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 903 | } else if (!ret) { |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 904 | fio_server_check_conns(&conn_list); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 905 | continue; |
| 906 | } |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 907 | |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 908 | if (pfd.revents & POLLIN) |
| 909 | break; |
| 910 | } while (!exit_backend); |
| 911 | |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 912 | fio_server_check_conns(&conn_list); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 913 | |
| 914 | if (exit_backend || ret < 0) |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 915 | break; |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 916 | |
Jens Axboe | 479471c | 2014-01-23 20:42:06 -0800 | [diff] [blame] | 917 | if (use_ipv6) |
| 918 | sk = accept(listen_sk, (struct sockaddr *) &addr6, &len); |
| 919 | else |
| 920 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); |
| 921 | |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 922 | if (sk < 0) { |
| 923 | log_err("fio: accept: %s\n", strerror(errno)); |
| 924 | return -1; |
| 925 | } |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 926 | |
Jens Axboe | 479471c | 2014-01-23 20:42:06 -0800 | [diff] [blame] | 927 | if (use_ipv6) |
| 928 | from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf)); |
| 929 | else |
| 930 | from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf)); |
| 931 | |
| 932 | dprint(FD_NET, "server: connect from %s\n", from); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 933 | |
| 934 | pid = fork(); |
| 935 | if (pid) { |
| 936 | close(sk); |
Jens Axboe | 6348b5d | 2013-11-07 13:37:09 -0700 | [diff] [blame] | 937 | fio_server_add_conn_pid(&conn_list, pid); |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 938 | continue; |
| 939 | } |
| 940 | |
| 941 | /* exits */ |
| 942 | handle_connection(sk); |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 943 | } |
| 944 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 945 | return exitval; |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 946 | } |
| 947 | |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 948 | int fio_server_text_output(int level, const char *buf, size_t len) |
Jens Axboe | 37db14f | 2011-09-30 17:00:42 -0600 | [diff] [blame] | 949 | { |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 950 | struct cmd_text_pdu *pdu; |
| 951 | unsigned int tlen; |
| 952 | struct timeval tv; |
Jens Axboe | 337d75a | 2011-10-01 12:36:32 -0600 | [diff] [blame] | 953 | |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 954 | if (server_fd == -1) |
| 955 | return log_local_buf(buf, len); |
| 956 | |
| 957 | tlen = sizeof(*pdu) + len; |
| 958 | pdu = malloc(tlen); |
| 959 | |
| 960 | pdu->level = __cpu_to_le32(level); |
| 961 | pdu->buf_len = __cpu_to_le32(len); |
| 962 | |
| 963 | gettimeofday(&tv, NULL); |
| 964 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); |
| 965 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); |
| 966 | |
| 967 | memcpy(pdu->buf, buf, len); |
| 968 | |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 969 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, NULL, NULL); |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 970 | free(pdu); |
| 971 | return len; |
Jens Axboe | 142575e | 2011-09-30 17:35:45 -0600 | [diff] [blame] | 972 | } |
| 973 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 974 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
| 975 | { |
| 976 | dst->max_val = cpu_to_le64(src->max_val); |
| 977 | dst->min_val = cpu_to_le64(src->min_val); |
| 978 | dst->samples = cpu_to_le64(src->samples); |
Jens Axboe | 802ad4a | 2011-10-05 09:51:58 +0200 | [diff] [blame] | 979 | |
| 980 | /* |
| 981 | * Encode to IEEE 754 for network transfer |
| 982 | */ |
Jens Axboe | 2b827fa | 2014-10-13 16:05:10 -0600 | [diff] [blame] | 983 | dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
| 984 | dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f)); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 985 | } |
| 986 | |
| 987 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) |
| 988 | { |
| 989 | int i; |
| 990 | |
Jens Axboe | 298921d | 2012-09-24 18:47:01 +0200 | [diff] [blame] | 991 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 992 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
| 993 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); |
| 994 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); |
| 995 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); |
| 996 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); |
| 997 | dst->agg[i] = cpu_to_le64(src->agg[i]); |
| 998 | } |
| 999 | |
| 1000 | dst->kb_base = cpu_to_le32(src->kb_base); |
Steven Noonan | ad705bc | 2013-04-08 15:05:25 -0700 | [diff] [blame] | 1001 | dst->unit_base = cpu_to_le32(src->unit_base); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1002 | dst->groupid = cpu_to_le32(src->groupid); |
Jens Axboe | 771e58b | 2013-01-30 12:56:23 +0100 | [diff] [blame] | 1003 | dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1004 | } |
| 1005 | |
| 1006 | /* |
| 1007 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats |
| 1008 | * into a single payload. |
| 1009 | */ |
| 1010 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) |
| 1011 | { |
| 1012 | struct cmd_ts_pdu p; |
| 1013 | int i, j; |
| 1014 | |
Jens Axboe | 60efd14 | 2011-10-04 13:30:11 +0200 | [diff] [blame] | 1015 | dprint(FD_NET, "server sending end stats\n"); |
| 1016 | |
Jens Axboe | 317b3c8 | 2011-10-03 21:47:27 +0200 | [diff] [blame] | 1017 | memset(&p, 0, sizeof(p)); |
| 1018 | |
Jens Axboe | 4e59d0f | 2014-03-14 08:41:39 -0600 | [diff] [blame] | 1019 | strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1); |
| 1020 | strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1); |
| 1021 | strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1022 | |
Jens Axboe | 2f122b1 | 2012-03-15 13:10:19 +0100 | [diff] [blame] | 1023 | p.ts.error = cpu_to_le32(ts->error); |
| 1024 | p.ts.thread_number = cpu_to_le32(ts->thread_number); |
| 1025 | p.ts.groupid = cpu_to_le32(ts->groupid); |
| 1026 | p.ts.pid = cpu_to_le32(ts->pid); |
| 1027 | p.ts.members = cpu_to_le32(ts->members); |
Jens Axboe | 771e58b | 2013-01-30 12:56:23 +0100 | [diff] [blame] | 1028 | p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1029 | |
Jens Axboe | 298921d | 2012-09-24 18:47:01 +0200 | [diff] [blame] | 1030 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1031 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
| 1032 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); |
| 1033 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); |
| 1034 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); |
| 1035 | } |
| 1036 | |
| 1037 | p.ts.usr_time = cpu_to_le64(ts->usr_time); |
| 1038 | p.ts.sys_time = cpu_to_le64(ts->sys_time); |
| 1039 | p.ts.ctx = cpu_to_le64(ts->ctx); |
| 1040 | p.ts.minf = cpu_to_le64(ts->minf); |
| 1041 | p.ts.majf = cpu_to_le64(ts->majf); |
| 1042 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); |
Jens Axboe | 802ad4a | 2011-10-05 09:51:58 +0200 | [diff] [blame] | 1043 | |
| 1044 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { |
Jens Axboe | cfc03e4 | 2011-10-12 21:20:42 +0200 | [diff] [blame] | 1045 | fio_fp64_t *src = &ts->percentile_list[i]; |
| 1046 | fio_fp64_t *dst = &p.ts.percentile_list[i]; |
Jens Axboe | 802ad4a | 2011-10-05 09:51:58 +0200 | [diff] [blame] | 1047 | |
Jens Axboe | 2b827fa | 2014-10-13 16:05:10 -0600 | [diff] [blame] | 1048 | dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f)); |
Jens Axboe | 802ad4a | 2011-10-05 09:51:58 +0200 | [diff] [blame] | 1049 | } |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1050 | |
| 1051 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { |
| 1052 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); |
| 1053 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); |
| 1054 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); |
| 1055 | } |
| 1056 | |
| 1057 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { |
| 1058 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); |
| 1059 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); |
| 1060 | } |
| 1061 | |
Jens Axboe | 298921d | 2012-09-24 18:47:01 +0200 | [diff] [blame] | 1062 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1063 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
| 1064 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); |
| 1065 | |
Jens Axboe | 78799de | 2013-01-29 20:53:52 +0100 | [diff] [blame] | 1066 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1067 | p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); |
Jens Axboe | 93eee04 | 2011-10-03 21:08:48 +0200 | [diff] [blame] | 1068 | p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); |
Jens Axboe | 67e149c | 2014-10-09 13:27:44 -0600 | [diff] [blame] | 1069 | p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1070 | } |
| 1071 | |
Jens Axboe | 93eee04 | 2011-10-03 21:08:48 +0200 | [diff] [blame] | 1072 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1073 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
| 1074 | |
Jens Axboe | 298921d | 2012-09-24 18:47:01 +0200 | [diff] [blame] | 1075 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1076 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
| 1077 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); |
| 1078 | } |
| 1079 | |
| 1080 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); |
| 1081 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); |
| 1082 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); |
Jens Axboe | ddcc0b6 | 2011-10-03 14:45:27 +0200 | [diff] [blame] | 1083 | p.ts.first_error = cpu_to_le32(ts->first_error); |
| 1084 | p.ts.kb_base = cpu_to_le32(ts->kb_base); |
Steven Noonan | ad705bc | 2013-04-08 15:05:25 -0700 | [diff] [blame] | 1085 | p.ts.unit_base = cpu_to_le32(ts->unit_base); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1086 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1087 | p.ts.latency_depth = cpu_to_le32(ts->latency_depth); |
| 1088 | p.ts.latency_target = cpu_to_le64(ts->latency_target); |
| 1089 | p.ts.latency_window = cpu_to_le64(ts->latency_window); |
Jens Axboe | 2b827fa | 2014-10-13 16:05:10 -0600 | [diff] [blame] | 1090 | p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f)); |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1091 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1092 | convert_gs(&p.rs, rs); |
| 1093 | |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 1094 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), NULL, NULL); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1095 | } |
| 1096 | |
| 1097 | void fio_server_send_gs(struct group_run_stats *rs) |
| 1098 | { |
| 1099 | struct group_run_stats gs; |
| 1100 | |
Jens Axboe | 60efd14 | 2011-10-04 13:30:11 +0200 | [diff] [blame] | 1101 | dprint(FD_NET, "server sending group run stats\n"); |
| 1102 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 1103 | convert_gs(&gs, rs); |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 1104 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, NULL); |
Jens Axboe | cf451d1 | 2011-10-03 16:48:30 +0200 | [diff] [blame] | 1105 | } |
| 1106 | |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 1107 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
| 1108 | { |
| 1109 | int i; |
| 1110 | |
| 1111 | for (i = 0; i < 2; i++) { |
| 1112 | dst->ios[i] = cpu_to_le32(src->ios[i]); |
| 1113 | dst->merges[i] = cpu_to_le32(src->merges[i]); |
| 1114 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
| 1115 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); |
| 1116 | } |
| 1117 | |
| 1118 | dst->io_ticks = cpu_to_le32(src->io_ticks); |
| 1119 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); |
| 1120 | dst->slavecount = cpu_to_le32(src->slavecount); |
Jens Axboe | 2b827fa | 2014-10-13 16:05:10 -0600 | [diff] [blame] | 1121 | dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 1122 | } |
| 1123 | |
| 1124 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) |
| 1125 | { |
| 1126 | int i; |
| 1127 | |
Jens Axboe | 5914042 | 2014-04-14 08:28:08 -0600 | [diff] [blame] | 1128 | dst->name[FIO_DU_NAME_SZ - 1] = '\0'; |
| 1129 | strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1); |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 1130 | |
| 1131 | for (i = 0; i < 2; i++) { |
Jens Axboe | a3b4cf7 | 2014-04-11 12:17:53 -0600 | [diff] [blame] | 1132 | dst->s.ios[i] = cpu_to_le32(src->s.ios[i]); |
| 1133 | dst->s.merges[i] = cpu_to_le32(src->s.merges[i]); |
| 1134 | dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]); |
| 1135 | dst->s.ticks[i] = cpu_to_le32(src->s.ticks[i]); |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 1136 | } |
| 1137 | |
Jens Axboe | a3b4cf7 | 2014-04-11 12:17:53 -0600 | [diff] [blame] | 1138 | dst->s.io_ticks = cpu_to_le32(src->s.io_ticks); |
| 1139 | dst->s.time_in_queue = cpu_to_le32(src->s.time_in_queue); |
| 1140 | dst->s.msec = cpu_to_le64(src->s.msec); |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 1141 | } |
| 1142 | |
| 1143 | void fio_server_send_du(void) |
| 1144 | { |
| 1145 | struct disk_util *du; |
| 1146 | struct flist_head *entry; |
| 1147 | struct cmd_du_pdu pdu; |
| 1148 | |
| 1149 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); |
| 1150 | |
Jens Axboe | 0766d92 | 2011-10-13 12:02:08 +0200 | [diff] [blame] | 1151 | memset(&pdu, 0, sizeof(pdu)); |
| 1152 | |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 1153 | flist_for_each(entry, &disk_list) { |
| 1154 | du = flist_entry(entry, struct disk_util, list); |
| 1155 | |
| 1156 | convert_dus(&pdu.dus, &du->dus); |
| 1157 | convert_agg(&pdu.agg, &du->agg); |
| 1158 | |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 1159 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, NULL); |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 1160 | } |
| 1161 | } |
| 1162 | |
Jens Axboe | 53bd8db | 2012-03-14 21:51:38 +0100 | [diff] [blame] | 1163 | /* |
| 1164 | * Send a command with a separate PDU, not inlined in the command |
| 1165 | */ |
| 1166 | static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, |
| 1167 | off_t size, uint64_t tag, uint32_t flags) |
| 1168 | { |
| 1169 | struct fio_net_cmd cmd; |
| 1170 | struct iovec iov[2]; |
| 1171 | |
Jens Axboe | 9f24726 | 2014-03-03 13:53:39 -0700 | [diff] [blame] | 1172 | iov[0].iov_base = (void *) &cmd; |
Jens Axboe | 53bd8db | 2012-03-14 21:51:38 +0100 | [diff] [blame] | 1173 | iov[0].iov_len = sizeof(cmd); |
| 1174 | iov[1].iov_base = (void *) buf; |
| 1175 | iov[1].iov_len = size; |
| 1176 | |
| 1177 | __fio_init_net_cmd(&cmd, opcode, size, tag); |
| 1178 | cmd.flags = __cpu_to_le32(flags); |
| 1179 | fio_net_cmd_crc_pdu(&cmd, buf); |
| 1180 | |
Jens Axboe | 8c95307 | 2012-03-20 14:35:35 +0100 | [diff] [blame] | 1181 | return fio_sendv_data(sk, iov, 2); |
Jens Axboe | 53bd8db | 2012-03-14 21:51:38 +0100 | [diff] [blame] | 1182 | } |
| 1183 | |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 1184 | static int fio_send_iolog_gz(struct cmd_iolog_pdu *pdu, struct io_log *log) |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 1185 | { |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 1186 | int ret = 0; |
| 1187 | #ifdef CONFIG_ZLIB |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 1188 | z_stream stream; |
| 1189 | void *out_pdu; |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 1190 | |
| 1191 | /* |
| 1192 | * Dirty - since the log is potentially huge, compress it into |
| 1193 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving |
| 1194 | * side defragment it. |
| 1195 | */ |
| 1196 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); |
| 1197 | |
| 1198 | stream.zalloc = Z_NULL; |
| 1199 | stream.zfree = Z_NULL; |
| 1200 | stream.opaque = Z_NULL; |
| 1201 | |
| 1202 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { |
Jens Axboe | 53bd8db | 2012-03-14 21:51:38 +0100 | [diff] [blame] | 1203 | ret = 1; |
| 1204 | goto err; |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 1205 | } |
| 1206 | |
Jens Axboe | f5ed765 | 2012-03-14 16:28:07 +0100 | [diff] [blame] | 1207 | stream.next_in = (void *) log->log; |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 1208 | stream.avail_in = log->nr_samples * log_entry_sz(log); |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 1209 | |
| 1210 | do { |
Jens Axboe | 53bd8db | 2012-03-14 21:51:38 +0100 | [diff] [blame] | 1211 | unsigned int this_len, flags = 0; |
| 1212 | int ret; |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 1213 | |
| 1214 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; |
| 1215 | stream.next_out = out_pdu; |
Jens Axboe | 3c547fe | 2012-03-14 21:53:00 +0100 | [diff] [blame] | 1216 | ret = deflate(&stream, Z_FINISH); |
| 1217 | /* may be Z_OK, or Z_STREAM_END */ |
| 1218 | if (ret < 0) |
| 1219 | goto err_zlib; |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 1220 | |
| 1221 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; |
| 1222 | |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 1223 | if (stream.avail_in) |
Jens Axboe | 53bd8db | 2012-03-14 21:51:38 +0100 | [diff] [blame] | 1224 | flags = FIO_NET_CMD_F_MORE; |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 1225 | |
Jens Axboe | 53bd8db | 2012-03-14 21:51:38 +0100 | [diff] [blame] | 1226 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, |
| 1227 | out_pdu, this_len, 0, flags); |
| 1228 | if (ret) |
| 1229 | goto err_zlib; |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 1230 | } while (stream.avail_in); |
| 1231 | |
Jens Axboe | 53bd8db | 2012-03-14 21:51:38 +0100 | [diff] [blame] | 1232 | err_zlib: |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 1233 | deflateEnd(&stream); |
Jens Axboe | 53bd8db | 2012-03-14 21:51:38 +0100 | [diff] [blame] | 1234 | err: |
| 1235 | free(out_pdu); |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 1236 | #endif |
Jens Axboe | 53bd8db | 2012-03-14 21:51:38 +0100 | [diff] [blame] | 1237 | return ret; |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame] | 1238 | } |
| 1239 | |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 1240 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
| 1241 | { |
| 1242 | struct cmd_iolog_pdu pdu; |
| 1243 | int i, ret = 0; |
| 1244 | |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 1245 | pdu.nr_samples = cpu_to_le64(log->nr_samples); |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 1246 | pdu.thread_number = cpu_to_le32(td->thread_number); |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 1247 | pdu.log_type = cpu_to_le32(log->log_type); |
| 1248 | pdu.compressed = cpu_to_le32(use_zlib); |
Jens Axboe | 9bdb926 | 2014-04-14 11:45:34 -0600 | [diff] [blame] | 1249 | |
| 1250 | strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX); |
| 1251 | pdu.name[FIO_NET_NAME_MAX - 1] = '\0'; |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 1252 | |
| 1253 | for (i = 0; i < log->nr_samples; i++) { |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 1254 | struct io_sample *s = get_sample(log, i); |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 1255 | |
Jens Axboe | bac4af1 | 2014-07-03 13:42:28 -0600 | [diff] [blame] | 1256 | s->time = cpu_to_le64(s->time); |
| 1257 | s->val = cpu_to_le64(s->val); |
| 1258 | s->__ddir = cpu_to_le32(s->__ddir); |
| 1259 | s->bs = cpu_to_le32(s->bs); |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 1260 | |
| 1261 | if (log->log_offset) { |
| 1262 | struct io_sample_offset *so = (void *) s; |
| 1263 | |
| 1264 | so->offset = cpu_to_le64(so->offset); |
| 1265 | } |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 1266 | } |
| 1267 | |
| 1268 | /* |
| 1269 | * Send header first, it's not compressed. |
| 1270 | */ |
| 1271 | ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu, |
| 1272 | sizeof(pdu), 0, FIO_NET_CMD_F_MORE); |
| 1273 | if (ret) |
| 1274 | return ret; |
| 1275 | |
| 1276 | /* |
| 1277 | * Now send actual log, compress if we can, otherwise just plain |
| 1278 | */ |
| 1279 | if (use_zlib) |
| 1280 | return fio_send_iolog_gz(&pdu, log); |
| 1281 | |
| 1282 | return fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, log->log, |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 1283 | log->nr_samples * log_entry_sz(log), 0, 0); |
Jens Axboe | 3989b14 | 2013-04-12 13:13:24 +0200 | [diff] [blame] | 1284 | } |
| 1285 | |
Jens Axboe | 2f122b1 | 2012-03-15 13:10:19 +0100 | [diff] [blame] | 1286 | void fio_server_send_add_job(struct thread_data *td) |
Jens Axboe | 807f997 | 2012-03-02 10:25:24 +0100 | [diff] [blame] | 1287 | { |
| 1288 | struct cmd_add_job_pdu pdu; |
Jens Axboe | 807f997 | 2012-03-02 10:25:24 +0100 | [diff] [blame] | 1289 | |
Jens Axboe | 731e30a | 2012-03-14 16:35:37 +0100 | [diff] [blame] | 1290 | memset(&pdu, 0, sizeof(pdu)); |
Jens Axboe | 2f122b1 | 2012-03-15 13:10:19 +0100 | [diff] [blame] | 1291 | pdu.thread_number = cpu_to_le32(td->thread_number); |
| 1292 | pdu.groupid = cpu_to_le32(td->groupid); |
| 1293 | convert_thread_options_to_net(&pdu.top, &td->o); |
Jens Axboe | 807f997 | 2012-03-02 10:25:24 +0100 | [diff] [blame] | 1294 | |
Jens Axboe | 40c6051 | 2012-03-27 16:03:04 +0200 | [diff] [blame] | 1295 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, NULL); |
Jens Axboe | 807f997 | 2012-03-02 10:25:24 +0100 | [diff] [blame] | 1296 | } |
| 1297 | |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 1298 | void fio_server_send_start(struct thread_data *td) |
| 1299 | { |
| 1300 | assert(server_fd != -1); |
| 1301 | |
| 1302 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); |
| 1303 | } |
| 1304 | |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1305 | static int fio_init_server_ip(void) |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1306 | { |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1307 | struct sockaddr *addr; |
Jens Axboe | 67bf982 | 2013-01-10 11:23:19 +0100 | [diff] [blame] | 1308 | socklen_t socklen; |
Jens Axboe | 17e3531 | 2014-03-25 10:50:55 -0700 | [diff] [blame] | 1309 | char buf[80]; |
| 1310 | const char *str; |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1311 | int sk, opt; |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1312 | |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1313 | if (use_ipv6) |
| 1314 | sk = socket(AF_INET6, SOCK_STREAM, 0); |
| 1315 | else |
| 1316 | sk = socket(AF_INET, SOCK_STREAM, 0); |
| 1317 | |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1318 | if (sk < 0) { |
| 1319 | log_err("fio: socket: %s\n", strerror(errno)); |
| 1320 | return -1; |
| 1321 | } |
| 1322 | |
| 1323 | opt = 1; |
Jens Axboe | 1f81991 | 2013-01-23 17:21:41 -0700 | [diff] [blame] | 1324 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) { |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1325 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 1326 | close(sk); |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1327 | return -1; |
| 1328 | } |
| 1329 | #ifdef SO_REUSEPORT |
Jens Axboe | 6eb2479 | 2011-10-04 15:00:30 +0200 | [diff] [blame] | 1330 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1331 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 1332 | close(sk); |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1333 | return -1; |
| 1334 | } |
| 1335 | #endif |
| 1336 | |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1337 | if (use_ipv6) { |
Jens Axboe | 17e3531 | 2014-03-25 10:50:55 -0700 | [diff] [blame] | 1338 | const void *src = &saddr_in6.sin6_addr; |
| 1339 | |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1340 | addr = (struct sockaddr *) &saddr_in6; |
| 1341 | socklen = sizeof(saddr_in6); |
| 1342 | saddr_in6.sin6_family = AF_INET6; |
Jens Axboe | 17e3531 | 2014-03-25 10:50:55 -0700 | [diff] [blame] | 1343 | str = inet_ntop(AF_INET6, src, buf, sizeof(buf)); |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1344 | } else { |
Jens Axboe | 17e3531 | 2014-03-25 10:50:55 -0700 | [diff] [blame] | 1345 | const void *src = &saddr_in.sin_addr; |
| 1346 | |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1347 | addr = (struct sockaddr *) &saddr_in; |
| 1348 | socklen = sizeof(saddr_in); |
| 1349 | saddr_in.sin_family = AF_INET; |
Jens Axboe | 17e3531 | 2014-03-25 10:50:55 -0700 | [diff] [blame] | 1350 | str = inet_ntop(AF_INET, src, buf, sizeof(buf)); |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1351 | } |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1352 | |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1353 | if (bind(sk, addr, socklen) < 0) { |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1354 | log_err("fio: bind: %s\n", strerror(errno)); |
Jens Axboe | 17e3531 | 2014-03-25 10:50:55 -0700 | [diff] [blame] | 1355 | log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 1356 | close(sk); |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1357 | return -1; |
| 1358 | } |
| 1359 | |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1360 | return sk; |
| 1361 | } |
| 1362 | |
| 1363 | static int fio_init_server_sock(void) |
| 1364 | { |
| 1365 | struct sockaddr_un addr; |
Jens Axboe | 67bf982 | 2013-01-10 11:23:19 +0100 | [diff] [blame] | 1366 | socklen_t len; |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1367 | mode_t mode; |
| 1368 | int sk; |
| 1369 | |
| 1370 | sk = socket(AF_UNIX, SOCK_STREAM, 0); |
| 1371 | if (sk < 0) { |
| 1372 | log_err("fio: socket: %s\n", strerror(errno)); |
| 1373 | return -1; |
| 1374 | } |
| 1375 | |
| 1376 | mode = umask(000); |
| 1377 | |
| 1378 | memset(&addr, 0, sizeof(addr)); |
| 1379 | addr.sun_family = AF_UNIX; |
Jens Axboe | a48fddb | 2014-04-14 08:55:13 -0600 | [diff] [blame] | 1380 | strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1); |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1381 | |
| 1382 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; |
| 1383 | |
| 1384 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { |
| 1385 | log_err("fio: bind: %s\n", strerror(errno)); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 1386 | close(sk); |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1387 | return -1; |
| 1388 | } |
| 1389 | |
| 1390 | umask(mode); |
| 1391 | return sk; |
| 1392 | } |
| 1393 | |
| 1394 | static int fio_init_server_connection(void) |
| 1395 | { |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1396 | char bind_str[128]; |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1397 | int sk; |
| 1398 | |
| 1399 | dprint(FD_NET, "starting server\n"); |
| 1400 | |
| 1401 | if (!bind_sock) |
| 1402 | sk = fio_init_server_ip(); |
| 1403 | else |
| 1404 | sk = fio_init_server_sock(); |
| 1405 | |
| 1406 | if (sk < 0) |
| 1407 | return sk; |
| 1408 | |
Jens Axboe | afdcad2 | 2014-04-14 08:54:09 -0600 | [diff] [blame] | 1409 | memset(bind_str, 0, sizeof(bind_str)); |
| 1410 | |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1411 | if (!bind_sock) { |
| 1412 | char *p, port[16]; |
| 1413 | const void *src; |
| 1414 | int af; |
| 1415 | |
| 1416 | if (use_ipv6) { |
| 1417 | af = AF_INET6; |
| 1418 | src = &saddr_in6.sin6_addr; |
| 1419 | } else { |
| 1420 | af = AF_INET; |
| 1421 | src = &saddr_in.sin_addr; |
| 1422 | } |
| 1423 | |
| 1424 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); |
| 1425 | |
| 1426 | sprintf(port, ",%u", fio_net_port); |
| 1427 | if (p) |
| 1428 | strcat(p, port); |
| 1429 | else |
Jens Axboe | afdcad2 | 2014-04-14 08:54:09 -0600 | [diff] [blame] | 1430 | strncpy(bind_str, port, sizeof(bind_str) - 1); |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1431 | } else |
Jens Axboe | afdcad2 | 2014-04-14 08:54:09 -0600 | [diff] [blame] | 1432 | strncpy(bind_str, bind_sock, sizeof(bind_str) - 1); |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1433 | |
| 1434 | log_info("fio: server listening on %s\n", bind_str); |
| 1435 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 1436 | if (listen(sk, 0) < 0) { |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1437 | log_err("fio: listen: %s\n", strerror(errno)); |
Jens Axboe | 2fd973c | 2014-04-08 21:13:42 -0600 | [diff] [blame] | 1438 | close(sk); |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1439 | return -1; |
| 1440 | } |
| 1441 | |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1442 | return sk; |
| 1443 | } |
| 1444 | |
Jens Axboe | 3aa3cee | 2014-01-24 18:56:56 -0800 | [diff] [blame] | 1445 | int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp, |
Jens Axboe | 3ec62ec | 2012-03-01 12:01:29 +0100 | [diff] [blame] | 1446 | struct in6_addr *inp6) |
| 1447 | |
| 1448 | { |
| 1449 | int ret = 0; |
| 1450 | |
Jens Axboe | 3aa3cee | 2014-01-24 18:56:56 -0800 | [diff] [blame] | 1451 | if (ipv6) |
Jens Axboe | 3ec62ec | 2012-03-01 12:01:29 +0100 | [diff] [blame] | 1452 | ret = inet_pton(AF_INET6, host, inp6); |
| 1453 | else |
| 1454 | ret = inet_pton(AF_INET, host, inp); |
| 1455 | |
| 1456 | if (ret != 1) { |
Jens Axboe | 479471c | 2014-01-23 20:42:06 -0800 | [diff] [blame] | 1457 | struct addrinfo hints, *res; |
Jens Axboe | 3ec62ec | 2012-03-01 12:01:29 +0100 | [diff] [blame] | 1458 | |
Jens Axboe | 479471c | 2014-01-23 20:42:06 -0800 | [diff] [blame] | 1459 | memset(&hints, 0, sizeof(hints)); |
Jens Axboe | 3aa3cee | 2014-01-24 18:56:56 -0800 | [diff] [blame] | 1460 | hints.ai_family = ipv6 ? AF_INET6 : AF_INET; |
Jens Axboe | 479471c | 2014-01-23 20:42:06 -0800 | [diff] [blame] | 1461 | hints.ai_socktype = SOCK_STREAM; |
| 1462 | |
| 1463 | ret = getaddrinfo(host, NULL, &hints, &res); |
| 1464 | if (ret) { |
| 1465 | log_err("fio: failed to resolve <%s> (%s)\n", host, |
| 1466 | gai_strerror(ret)); |
Jens Axboe | 3caf43e | 2014-01-24 18:52:16 -0800 | [diff] [blame] | 1467 | return 1; |
Jens Axboe | 3ec62ec | 2012-03-01 12:01:29 +0100 | [diff] [blame] | 1468 | } |
| 1469 | |
Jens Axboe | 3aa3cee | 2014-01-24 18:56:56 -0800 | [diff] [blame] | 1470 | if (ipv6) |
Jens Axboe | 479471c | 2014-01-23 20:42:06 -0800 | [diff] [blame] | 1471 | memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6)); |
| 1472 | else |
| 1473 | memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp)); |
| 1474 | |
Jens Axboe | 3ec62ec | 2012-03-01 12:01:29 +0100 | [diff] [blame] | 1475 | ret = 1; |
Jens Axboe | 479471c | 2014-01-23 20:42:06 -0800 | [diff] [blame] | 1476 | freeaddrinfo(res); |
Jens Axboe | 3ec62ec | 2012-03-01 12:01:29 +0100 | [diff] [blame] | 1477 | } |
| 1478 | |
| 1479 | return !(ret == 1); |
| 1480 | } |
| 1481 | |
Jens Axboe | 660a2bf | 2011-10-24 09:35:06 +0200 | [diff] [blame] | 1482 | /* |
| 1483 | * Parse a host/ip/port string. Reads from 'str'. |
| 1484 | * |
| 1485 | * Outputs: |
| 1486 | * |
| 1487 | * For IPv4: |
| 1488 | * *ptr is the host, *port is the port, inp is the destination. |
| 1489 | * For IPv6: |
| 1490 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. |
| 1491 | * For local domain sockets: |
| 1492 | * *ptr is the filename, *is_sock is 1. |
| 1493 | */ |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1494 | int fio_server_parse_string(const char *str, char **ptr, int *is_sock, |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1495 | int *port, struct in_addr *inp, |
| 1496 | struct in6_addr *inp6, int *ipv6) |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1497 | { |
Jens Axboe | 7686762 | 2011-10-25 09:52:51 +0200 | [diff] [blame] | 1498 | const char *host = str; |
| 1499 | char *portp; |
Jens Axboe | 3ec62ec | 2012-03-01 12:01:29 +0100 | [diff] [blame] | 1500 | int lport = 0; |
Jens Axboe | 7686762 | 2011-10-25 09:52:51 +0200 | [diff] [blame] | 1501 | |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1502 | *ptr = NULL; |
| 1503 | *is_sock = 0; |
Jens Axboe | 6d2cf39 | 2011-10-07 13:19:28 +0200 | [diff] [blame] | 1504 | *port = fio_net_port; |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1505 | *ipv6 = 0; |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1506 | |
| 1507 | if (!strncmp(str, "sock:", 5)) { |
| 1508 | *ptr = strdup(str + 5); |
| 1509 | *is_sock = 1; |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1510 | |
Jens Axboe | 7686762 | 2011-10-25 09:52:51 +0200 | [diff] [blame] | 1511 | return 0; |
| 1512 | } |
| 1513 | |
| 1514 | /* |
| 1515 | * Is it ip:<ip or host>:port |
| 1516 | */ |
| 1517 | if (!strncmp(host, "ip:", 3)) |
| 1518 | host += 3; |
| 1519 | else if (!strncmp(host, "ip4:", 4)) |
| 1520 | host += 4; |
| 1521 | else if (!strncmp(host, "ip6:", 4)) { |
| 1522 | host += 4; |
| 1523 | *ipv6 = 1; |
| 1524 | } else if (host[0] == ':') { |
| 1525 | /* String is :port */ |
| 1526 | host++; |
| 1527 | lport = atoi(host); |
| 1528 | if (!lport || lport > 65535) { |
Jens Axboe | 4e0a8fa | 2013-04-15 11:40:57 +0200 | [diff] [blame] | 1529 | log_err("fio: bad server port %u\n", lport); |
Jens Axboe | 7686762 | 2011-10-25 09:52:51 +0200 | [diff] [blame] | 1530 | return 1; |
| 1531 | } |
| 1532 | /* no hostname given, we are done */ |
| 1533 | *port = lport; |
| 1534 | return 0; |
| 1535 | } |
| 1536 | |
| 1537 | /* |
Jens Axboe | b96b90c | 2014-03-25 10:37:56 -0700 | [diff] [blame] | 1538 | * If no port seen yet, check if there's a last ',' at the end |
Jens Axboe | 7686762 | 2011-10-25 09:52:51 +0200 | [diff] [blame] | 1539 | */ |
| 1540 | if (!lport) { |
| 1541 | portp = strchr(host, ','); |
| 1542 | if (portp) { |
| 1543 | *portp = '\0'; |
| 1544 | portp++; |
| 1545 | lport = atoi(portp); |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1546 | if (!lport || lport > 65535) { |
Jens Axboe | 4e0a8fa | 2013-04-15 11:40:57 +0200 | [diff] [blame] | 1547 | log_err("fio: bad server port %u\n", lport); |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1548 | return 1; |
| 1549 | } |
Jens Axboe | 7686762 | 2011-10-25 09:52:51 +0200 | [diff] [blame] | 1550 | } |
| 1551 | } |
| 1552 | |
| 1553 | if (lport) |
| 1554 | *port = lport; |
| 1555 | |
| 1556 | if (!strlen(host)) |
| 1557 | return 0; |
| 1558 | |
| 1559 | *ptr = strdup(host); |
| 1560 | |
Jens Axboe | 3aa3cee | 2014-01-24 18:56:56 -0800 | [diff] [blame] | 1561 | if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) { |
Jens Axboe | 3ec62ec | 2012-03-01 12:01:29 +0100 | [diff] [blame] | 1562 | free(*ptr); |
| 1563 | *ptr = NULL; |
| 1564 | return 1; |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1565 | } |
| 1566 | |
| 1567 | if (*port == 0) |
| 1568 | *port = fio_net_port; |
| 1569 | |
| 1570 | return 0; |
| 1571 | } |
| 1572 | |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1573 | /* |
| 1574 | * Server arg should be one of: |
| 1575 | * |
| 1576 | * sock:/path/to/socket |
| 1577 | * ip:1.2.3.4 |
| 1578 | * 1.2.3.4 |
| 1579 | * |
| 1580 | * Where sock uses unix domain sockets, and ip binds the server to |
| 1581 | * a specific interface. If no arguments are given to the server, it |
| 1582 | * uses IP and binds to 0.0.0.0. |
| 1583 | * |
| 1584 | */ |
| 1585 | static int fio_handle_server_arg(void) |
| 1586 | { |
Jens Axboe | 6d2cf39 | 2011-10-07 13:19:28 +0200 | [diff] [blame] | 1587 | int port = fio_net_port; |
Jens Axboe | a7de0a1 | 2011-10-07 12:55:14 +0200 | [diff] [blame] | 1588 | int is_sock, ret = 0; |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1589 | |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1590 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
| 1591 | |
| 1592 | if (!fio_server_arg) |
Jens Axboe | a7de0a1 | 2011-10-07 12:55:14 +0200 | [diff] [blame] | 1593 | goto out; |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1594 | |
Jens Axboe | 4e5b8fb | 2011-10-07 10:03:44 +0200 | [diff] [blame] | 1595 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1596 | &port, &saddr_in.sin_addr, |
| 1597 | &saddr_in6.sin6_addr, &use_ipv6); |
Jens Axboe | 4e5b8fb | 2011-10-07 10:03:44 +0200 | [diff] [blame] | 1598 | |
| 1599 | if (!is_sock && bind_sock) { |
| 1600 | free(bind_sock); |
| 1601 | bind_sock = NULL; |
| 1602 | } |
| 1603 | |
Jens Axboe | a7de0a1 | 2011-10-07 12:55:14 +0200 | [diff] [blame] | 1604 | out: |
Jens Axboe | 6d2cf39 | 2011-10-07 13:19:28 +0200 | [diff] [blame] | 1605 | fio_net_port = port; |
| 1606 | saddr_in.sin_port = htons(port); |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1607 | saddr_in6.sin6_port = htons(port); |
Jens Axboe | 4e5b8fb | 2011-10-07 10:03:44 +0200 | [diff] [blame] | 1608 | return ret; |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1609 | } |
| 1610 | |
Jens Axboe | 43cdea1 | 2014-03-25 15:06:17 -0700 | [diff] [blame] | 1611 | static void sig_int(int sig) |
| 1612 | { |
| 1613 | if (bind_sock) |
| 1614 | unlink(bind_sock); |
| 1615 | } |
| 1616 | |
| 1617 | static void set_sig_handlers(void) |
| 1618 | { |
| 1619 | struct sigaction act; |
| 1620 | |
| 1621 | memset(&act, 0, sizeof(act)); |
| 1622 | act.sa_handler = sig_int; |
| 1623 | act.sa_flags = SA_RESTART; |
| 1624 | sigaction(SIGINT, &act, NULL); |
| 1625 | } |
| 1626 | |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1627 | static int fio_server(void) |
| 1628 | { |
| 1629 | int sk, ret; |
| 1630 | |
| 1631 | dprint(FD_NET, "starting server\n"); |
| 1632 | |
| 1633 | if (fio_handle_server_arg()) |
| 1634 | return -1; |
| 1635 | |
| 1636 | sk = fio_init_server_connection(); |
| 1637 | if (sk < 0) |
| 1638 | return -1; |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1639 | |
Jens Axboe | 43cdea1 | 2014-03-25 15:06:17 -0700 | [diff] [blame] | 1640 | set_sig_handlers(); |
| 1641 | |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1642 | ret = accept_loop(sk); |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1643 | |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1644 | close(sk); |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1645 | |
| 1646 | if (fio_server_arg) { |
| 1647 | free(fio_server_arg); |
| 1648 | fio_server_arg = NULL; |
| 1649 | } |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1650 | if (bind_sock) |
| 1651 | free(bind_sock); |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1652 | |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1653 | return ret; |
| 1654 | } |
| 1655 | |
Jens Axboe | 7b82168 | 2011-10-11 12:16:32 +0200 | [diff] [blame] | 1656 | void fio_server_got_signal(int signal) |
Jens Axboe | 9abea48 | 2011-10-04 13:21:54 +0200 | [diff] [blame] | 1657 | { |
Jens Axboe | 7b82168 | 2011-10-11 12:16:32 +0200 | [diff] [blame] | 1658 | if (signal == SIGPIPE) |
| 1659 | server_fd = -1; |
| 1660 | else { |
| 1661 | log_info("\nfio: terminating on signal %d\n", signal); |
| 1662 | exit_backend = 1; |
| 1663 | } |
Jens Axboe | 9abea48 | 2011-10-04 13:21:54 +0200 | [diff] [blame] | 1664 | } |
| 1665 | |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1666 | static int check_existing_pidfile(const char *pidfile) |
| 1667 | { |
| 1668 | struct stat sb; |
| 1669 | char buf[16]; |
| 1670 | pid_t pid; |
| 1671 | FILE *f; |
| 1672 | |
| 1673 | if (stat(pidfile, &sb)) |
| 1674 | return 0; |
| 1675 | |
| 1676 | f = fopen(pidfile, "r"); |
| 1677 | if (!f) |
| 1678 | return 0; |
| 1679 | |
Jens Axboe | bfc3b17 | 2011-10-10 21:16:55 +0200 | [diff] [blame] | 1680 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1681 | fclose(f); |
| 1682 | return 1; |
| 1683 | } |
| 1684 | fclose(f); |
| 1685 | |
| 1686 | pid = atoi(buf); |
| 1687 | if (kill(pid, SIGCONT) < 0) |
Jens Axboe | ea5aa1b | 2011-10-11 11:45:35 +0200 | [diff] [blame] | 1688 | return errno != ESRCH; |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1689 | |
| 1690 | return 1; |
| 1691 | } |
| 1692 | |
| 1693 | static int write_pid(pid_t pid, const char *pidfile) |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1694 | { |
| 1695 | FILE *fpid; |
| 1696 | |
| 1697 | fpid = fopen(pidfile, "w"); |
| 1698 | if (!fpid) { |
| 1699 | log_err("fio: failed opening pid file %s\n", pidfile); |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1700 | return 1; |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1701 | } |
| 1702 | |
| 1703 | fprintf(fpid, "%u\n", (unsigned int) pid); |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1704 | fclose(fpid); |
| 1705 | return 0; |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1706 | } |
| 1707 | |
| 1708 | /* |
| 1709 | * If pidfile is specified, background us. |
| 1710 | */ |
| 1711 | int fio_start_server(char *pidfile) |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1712 | { |
| 1713 | pid_t pid; |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1714 | int ret; |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1715 | |
Bruce Cran | 93bcfd2 | 2012-02-20 20:18:19 +0100 | [diff] [blame] | 1716 | #if defined(WIN32) |
Jens Axboe | 905c78b | 2012-03-06 19:34:22 +0100 | [diff] [blame] | 1717 | WSADATA wsd; |
Jens Axboe | 3c3ed07 | 2012-03-27 09:12:39 +0200 | [diff] [blame] | 1718 | WSAStartup(MAKEWORD(2, 2), &wsd); |
Bruce Cran | 93bcfd2 | 2012-02-20 20:18:19 +0100 | [diff] [blame] | 1719 | #endif |
| 1720 | |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1721 | if (!pidfile) |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1722 | return fio_server(); |
| 1723 | |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1724 | if (check_existing_pidfile(pidfile)) { |
| 1725 | log_err("fio: pidfile %s exists and server appears alive\n", |
| 1726 | pidfile); |
Jens Axboe | b8ba87a | 2014-04-11 11:37:34 -0600 | [diff] [blame] | 1727 | free(pidfile); |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1728 | return -1; |
| 1729 | } |
| 1730 | |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1731 | pid = fork(); |
| 1732 | if (pid < 0) { |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1733 | log_err("fio: failed server fork: %s", strerror(errno)); |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1734 | free(pidfile); |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 1735 | return -1; |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1736 | } else if (pid) { |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1737 | int ret = write_pid(pid, pidfile); |
| 1738 | |
Jens Axboe | b8ba87a | 2014-04-11 11:37:34 -0600 | [diff] [blame] | 1739 | free(pidfile); |
Jens Axboe | 5ea7355 | 2014-09-11 17:05:58 -0600 | [diff] [blame] | 1740 | _exit(ret); |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1741 | } |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1742 | |
| 1743 | setsid(); |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1744 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
| 1745 | log_syslog = 1; |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1746 | close(STDIN_FILENO); |
| 1747 | close(STDOUT_FILENO); |
| 1748 | close(STDERR_FILENO); |
| 1749 | f_out = NULL; |
| 1750 | f_err = NULL; |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1751 | |
| 1752 | ret = fio_server(); |
| 1753 | |
| 1754 | closelog(); |
| 1755 | unlink(pidfile); |
| 1756 | free(pidfile); |
| 1757 | return ret; |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1758 | } |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1759 | |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1760 | void fio_server_set_arg(const char *arg) |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1761 | { |
| 1762 | fio_server_arg = strdup(arg); |
| 1763 | } |