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