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 | |
Jens Axboe | 89cf148 | 2011-10-07 10:10:18 +0200 | [diff] [blame] | 26 | #include "fio_version.h" |
| 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 | 01be038 | 2011-10-15 14:43:41 +0200 | [diff] [blame] | 37 | static int first_cmd_check; |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 38 | static int use_ipv6; |
Jens Axboe | 37db14f | 2011-09-30 17:00:42 -0600 | [diff] [blame] | 39 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 40 | static const char *fio_server_ops[FIO_NET_CMD_NR] = { |
| 41 | "", |
| 42 | "QUIT", |
| 43 | "EXIT", |
| 44 | "JOB", |
| 45 | "JOBLINE", |
| 46 | "TEXT", |
| 47 | "TS", |
| 48 | "GS", |
| 49 | "SEND_ETA", |
| 50 | "ETA", |
| 51 | "PROBE", |
| 52 | "START", |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 53 | "STOP", |
| 54 | "DISK_UTIL", |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 55 | "SERVER_START", |
Jens Axboe | 807f997 | 2012-03-02 10:25:24 +0100 | [diff] [blame] | 56 | "ADD_JOB", |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 57 | "CMD_RUN" |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 58 | }; |
| 59 | |
| 60 | const char *fio_server_op(unsigned int op) |
| 61 | { |
| 62 | static char buf[32]; |
| 63 | |
| 64 | if (op < FIO_NET_CMD_NR) |
| 65 | return fio_server_ops[op]; |
| 66 | |
| 67 | sprintf(buf, "UNKNOWN/%d", op); |
| 68 | return buf; |
| 69 | } |
| 70 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 71 | int fio_send_data(int sk, const void *p, unsigned int len) |
| 72 | { |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 73 | assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 74 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 75 | do { |
| 76 | int ret = send(sk, p, len, 0); |
| 77 | |
| 78 | if (ret > 0) { |
| 79 | len -= ret; |
| 80 | if (!len) |
| 81 | break; |
| 82 | p += ret; |
| 83 | continue; |
| 84 | } else if (!ret) |
| 85 | break; |
| 86 | else if (errno == EAGAIN || errno == EINTR) |
| 87 | continue; |
Jens Axboe | 7b82168 | 2011-10-11 12:16:32 +0200 | [diff] [blame] | 88 | else |
| 89 | break; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 90 | } while (!exit_backend); |
| 91 | |
| 92 | if (!len) |
| 93 | return 0; |
| 94 | |
Jens Axboe | 8b4e61b | 2012-03-09 17:10:54 +0100 | [diff] [blame] | 95 | if (errno) |
| 96 | return -errno; |
| 97 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 98 | return 1; |
| 99 | } |
| 100 | |
| 101 | int fio_recv_data(int sk, void *p, unsigned int len) |
| 102 | { |
| 103 | do { |
| 104 | int ret = recv(sk, p, len, MSG_WAITALL); |
| 105 | |
| 106 | if (ret > 0) { |
| 107 | len -= ret; |
| 108 | if (!len) |
| 109 | break; |
| 110 | p += ret; |
| 111 | continue; |
| 112 | } else if (!ret) |
| 113 | break; |
| 114 | else if (errno == EAGAIN || errno == EINTR) |
| 115 | continue; |
Jens Axboe | 7b82168 | 2011-10-11 12:16:32 +0200 | [diff] [blame] | 116 | else |
| 117 | break; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 118 | } while (!exit_backend); |
| 119 | |
| 120 | if (!len) |
| 121 | return 0; |
| 122 | |
| 123 | return -1; |
| 124 | } |
| 125 | |
| 126 | static int verify_convert_cmd(struct fio_net_cmd *cmd) |
| 127 | { |
Jens Axboe | fcee5ff | 2011-09-30 22:50:39 -0600 | [diff] [blame] | 128 | uint16_t crc; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 129 | |
Jens Axboe | fcee5ff | 2011-09-30 22:50:39 -0600 | [diff] [blame] | 130 | cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); |
| 131 | cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 132 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 133 | crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ); |
Jens Axboe | fcee5ff | 2011-09-30 22:50:39 -0600 | [diff] [blame] | 134 | if (crc != cmd->cmd_crc16) { |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 135 | 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] | 136 | cmd->cmd_crc16, crc); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 137 | return 1; |
| 138 | } |
| 139 | |
| 140 | cmd->version = le16_to_cpu(cmd->version); |
| 141 | cmd->opcode = le16_to_cpu(cmd->opcode); |
| 142 | cmd->flags = le32_to_cpu(cmd->flags); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 143 | cmd->tag = le64_to_cpu(cmd->tag); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 144 | cmd->pdu_len = le32_to_cpu(cmd->pdu_len); |
| 145 | |
| 146 | switch (cmd->version) { |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 147 | case FIO_SERVER_VER: |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 148 | break; |
| 149 | default: |
| 150 | log_err("fio: bad server cmd version %d\n", cmd->version); |
| 151 | return 1; |
| 152 | } |
| 153 | |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 154 | if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 155 | log_err("fio: command payload too large: %u\n", cmd->pdu_len); |
| 156 | return 1; |
| 157 | } |
| 158 | |
| 159 | return 0; |
| 160 | } |
| 161 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 162 | /* |
| 163 | * Read (and defragment, if necessary) incoming commands |
| 164 | */ |
Jens Axboe | e951bdc | 2011-10-05 21:58:45 +0200 | [diff] [blame] | 165 | struct fio_net_cmd *fio_net_recv_cmd(int sk) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 166 | { |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 167 | struct fio_net_cmd cmd, *cmdret = NULL; |
| 168 | size_t cmd_size = 0, pdu_offset = 0; |
Jens Axboe | fcee5ff | 2011-09-30 22:50:39 -0600 | [diff] [blame] | 169 | uint16_t crc; |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 170 | int ret, first = 1; |
| 171 | void *pdu = NULL; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 172 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 173 | do { |
| 174 | ret = fio_recv_data(sk, &cmd, sizeof(cmd)); |
| 175 | if (ret) |
| 176 | break; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 177 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 178 | /* We have a command, verify it and swap if need be */ |
| 179 | ret = verify_convert_cmd(&cmd); |
| 180 | if (ret) |
| 181 | break; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 182 | |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 183 | if (first) { |
| 184 | /* if this is text, add room for \0 at the end */ |
| 185 | cmd_size = sizeof(cmd) + cmd.pdu_len + 1; |
| 186 | assert(!cmdret); |
| 187 | } else |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 188 | cmd_size += cmd.pdu_len; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 189 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 190 | cmdret = realloc(cmdret, cmd_size); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 191 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 192 | if (first) |
| 193 | memcpy(cmdret, &cmd, sizeof(cmd)); |
Jens Axboe | 67f15dc | 2011-10-15 16:07:40 +0200 | [diff] [blame] | 194 | else if (cmdret->opcode != cmd.opcode) { |
| 195 | log_err("fio: fragment opcode mismatch (%d != %d)\n", |
| 196 | cmdret->opcode, cmd.opcode); |
| 197 | ret = 1; |
| 198 | break; |
| 199 | } |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 200 | |
| 201 | if (!cmd.pdu_len) |
| 202 | break; |
| 203 | |
| 204 | /* There's payload, get it */ |
| 205 | pdu = (void *) cmdret->payload + pdu_offset; |
| 206 | ret = fio_recv_data(sk, pdu, cmd.pdu_len); |
| 207 | if (ret) |
| 208 | break; |
| 209 | |
| 210 | /* Verify payload crc */ |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 211 | crc = fio_crc16(pdu, cmd.pdu_len); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 212 | if (crc != cmd.pdu_crc16) { |
| 213 | log_err("fio: server bad crc on payload "); |
| 214 | log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); |
| 215 | ret = 1; |
| 216 | break; |
| 217 | } |
| 218 | |
| 219 | pdu_offset += cmd.pdu_len; |
Jens Axboe | 817f06b | 2011-10-03 15:03:08 +0200 | [diff] [blame] | 220 | if (!first) |
| 221 | cmdret->pdu_len += cmd.pdu_len; |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 222 | first = 0; |
| 223 | } while (cmd.flags & FIO_NET_CMD_F_MORE); |
| 224 | |
| 225 | if (ret) { |
| 226 | free(cmdret); |
| 227 | cmdret = NULL; |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 228 | } else if (cmdret) { |
| 229 | /* zero-terminate text input */ |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 230 | if (cmdret->pdu_len) { |
| 231 | if (cmdret->opcode == FIO_NET_CMD_TEXT) { |
| 232 | struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmdret->payload; |
| 233 | char *buf = (char *) pdu->buf; |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 234 | |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 235 | buf[pdu->buf_len ] = '\0'; |
| 236 | } else if (cmdret->opcode == FIO_NET_CMD_JOB) { |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 237 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmdret->payload; |
| 238 | char *buf = (char *) pdu->buf; |
| 239 | int len = le32_to_cpu(pdu->buf_len); |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 240 | |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 241 | buf[len] = '\0'; |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 242 | } |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 243 | } |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 244 | |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 245 | /* frag flag is internal */ |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 246 | cmdret->flags &= ~FIO_NET_CMD_F_MORE; |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 247 | } |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 248 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 249 | return cmdret; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 250 | } |
| 251 | |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame^] | 252 | void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, void *pdu) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 253 | { |
| 254 | uint32_t pdu_len; |
| 255 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 256 | 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] | 257 | |
| 258 | pdu_len = le32_to_cpu(cmd->pdu_len); |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame^] | 259 | cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); |
| 260 | } |
| 261 | |
| 262 | void fio_net_cmd_crc(struct fio_net_cmd *cmd) |
| 263 | { |
| 264 | fio_net_cmd_crc_pdu(cmd, cmd->payload); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 265 | } |
| 266 | |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 267 | int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, |
| 268 | uint64_t tag) |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 269 | { |
Jens Axboe | 7f86831 | 2011-10-10 09:55:21 +0200 | [diff] [blame] | 270 | struct fio_net_cmd *cmd = NULL; |
| 271 | size_t this_len, cur_len = 0; |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 272 | int ret; |
| 273 | |
| 274 | do { |
| 275 | this_len = size; |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 276 | if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) |
| 277 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU; |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 278 | |
Jens Axboe | 7f86831 | 2011-10-10 09:55:21 +0200 | [diff] [blame] | 279 | if (!cmd || cur_len < sizeof(*cmd) + this_len) { |
| 280 | if (cmd) |
| 281 | free(cmd); |
| 282 | |
| 283 | cur_len = sizeof(*cmd) + this_len; |
| 284 | cmd = malloc(cur_len); |
| 285 | } |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 286 | |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 287 | fio_init_net_cmd(cmd, opcode, buf, this_len, tag); |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 288 | |
| 289 | if (this_len < size) |
Jens Axboe | ddcc0b6 | 2011-10-03 14:45:27 +0200 | [diff] [blame] | 290 | cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 291 | |
| 292 | fio_net_cmd_crc(cmd); |
| 293 | |
| 294 | ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 295 | size -= this_len; |
| 296 | buf += this_len; |
| 297 | } while (!ret && size); |
| 298 | |
Jens Axboe | 7f86831 | 2011-10-10 09:55:21 +0200 | [diff] [blame] | 299 | if (cmd) |
| 300 | free(cmd); |
| 301 | |
Jens Axboe | 794d69c | 2011-10-01 08:48:50 -0600 | [diff] [blame] | 302 | return ret; |
| 303 | } |
| 304 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 305 | 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] | 306 | { |
Jens Axboe | 178cde9 | 2011-10-05 22:14:31 +0200 | [diff] [blame] | 307 | struct fio_net_cmd cmd; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 308 | |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 309 | fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 310 | fio_net_cmd_crc(&cmd); |
| 311 | |
| 312 | return fio_send_data(sk, &cmd, sizeof(cmd)); |
| 313 | } |
| 314 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 315 | /* |
| 316 | * If 'list' is non-NULL, then allocate and store the sent command for |
| 317 | * later verification. |
| 318 | */ |
| 319 | int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, |
| 320 | struct flist_head *list) |
| 321 | { |
| 322 | struct fio_net_int_cmd *cmd; |
| 323 | int ret; |
| 324 | |
| 325 | if (!list) |
| 326 | return fio_net_send_simple_stack_cmd(sk, opcode, tag); |
| 327 | |
| 328 | cmd = malloc(sizeof(*cmd)); |
| 329 | |
Jens Axboe | df38093 | 2011-10-11 14:25:08 +0200 | [diff] [blame] | 330 | fio_init_net_cmd(&cmd->cmd, opcode, NULL, 0, (uintptr_t) cmd); |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 331 | fio_net_cmd_crc(&cmd->cmd); |
| 332 | |
| 333 | INIT_FLIST_HEAD(&cmd->list); |
| 334 | gettimeofday(&cmd->tv, NULL); |
| 335 | cmd->saved_tag = tag; |
| 336 | |
| 337 | ret = fio_send_data(sk, &cmd->cmd, sizeof(cmd->cmd)); |
| 338 | if (ret) { |
| 339 | free(cmd); |
| 340 | return ret; |
| 341 | } |
| 342 | |
| 343 | flist_add_tail(&cmd->list, list); |
| 344 | return 0; |
| 345 | } |
| 346 | |
Jens Axboe | 9abea48 | 2011-10-04 13:21:54 +0200 | [diff] [blame] | 347 | static int fio_server_send_quit_cmd(void) |
Jens Axboe | 437377e | 2011-10-01 08:31:30 -0600 | [diff] [blame] | 348 | { |
Jens Axboe | 46c48f1 | 2011-10-01 12:50:51 -0600 | [diff] [blame] | 349 | dprint(FD_NET, "server: sending quit\n"); |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 350 | return fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_QUIT, 0, NULL); |
Jens Axboe | 437377e | 2011-10-01 08:31:30 -0600 | [diff] [blame] | 351 | } |
| 352 | |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 353 | static int handle_run_cmd(struct fio_net_cmd *cmd) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 354 | { |
Jens Axboe | 11e950b | 2011-10-16 21:34:14 +0200 | [diff] [blame] | 355 | struct cmd_end_pdu epdu; |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 356 | int ret; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 357 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 358 | ret = fio_backend(); |
Jens Axboe | 11e950b | 2011-10-16 21:34:14 +0200 | [diff] [blame] | 359 | |
| 360 | epdu.error = ret; |
| 361 | fio_net_send_cmd(server_fd, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), 0); |
| 362 | |
Jens Axboe | 9abea48 | 2011-10-04 13:21:54 +0200 | [diff] [blame] | 363 | fio_server_send_quit_cmd(); |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 364 | reset_fio_state(); |
Jens Axboe | 8663ea6 | 2012-03-02 14:04:30 +0100 | [diff] [blame] | 365 | first_cmd_check = 0; |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 366 | return ret; |
| 367 | } |
| 368 | |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 369 | static int handle_job_cmd(struct fio_net_cmd *cmd) |
| 370 | { |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 371 | struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; |
| 372 | void *buf = pdu->buf; |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 373 | struct cmd_start_pdu spdu; |
| 374 | |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 375 | pdu->buf_len = le32_to_cpu(pdu->buf_len); |
| 376 | pdu->client_type = le32_to_cpu(pdu->client_type); |
| 377 | |
| 378 | if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 379 | fio_server_send_quit_cmd(); |
| 380 | return -1; |
| 381 | } |
| 382 | |
| 383 | spdu.jobs = cpu_to_le32(thread_number); |
| 384 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), 0); |
| 385 | return 0; |
| 386 | } |
| 387 | |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 388 | static int handle_jobline_cmd(struct fio_net_cmd *cmd) |
| 389 | { |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 390 | void *pdu = cmd->payload; |
| 391 | struct cmd_single_line_pdu *cslp; |
| 392 | struct cmd_line_pdu *clp; |
| 393 | unsigned long offset; |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 394 | struct cmd_start_pdu spdu; |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 395 | char **argv; |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 396 | int i; |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 397 | |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 398 | clp = pdu; |
| 399 | clp->lines = le16_to_cpu(clp->lines); |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 400 | clp->client_type = le16_to_cpu(clp->client_type); |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 401 | argv = malloc(clp->lines * sizeof(char *)); |
| 402 | offset = sizeof(*clp); |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 403 | |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 404 | dprint(FD_NET, "server: %d command line args\n", clp->lines); |
Jens Axboe | 39e8e01 | 2011-10-04 13:46:08 +0200 | [diff] [blame] | 405 | |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 406 | for (i = 0; i < clp->lines; i++) { |
| 407 | cslp = pdu + offset; |
| 408 | argv[i] = (char *) cslp->text; |
| 409 | |
| 410 | offset += sizeof(*cslp) + le16_to_cpu(cslp->len); |
Jens Axboe | 39e8e01 | 2011-10-04 13:46:08 +0200 | [diff] [blame] | 411 | dprint(FD_NET, "server: %d: %s\n", i, argv[i]); |
| 412 | } |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 413 | |
Jens Axboe | 46bcd49 | 2012-03-14 11:31:21 +0100 | [diff] [blame] | 414 | if (parse_cmd_line(clp->lines, argv, clp->client_type)) { |
Jens Axboe | e6d1c66 | 2011-10-05 20:41:06 +0200 | [diff] [blame] | 415 | fio_server_send_quit_cmd(); |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 416 | free(argv); |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 417 | return -1; |
Jens Axboe | e6d1c66 | 2011-10-05 20:41:06 +0200 | [diff] [blame] | 418 | } |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 419 | |
Jens Axboe | fa2ea80 | 2011-10-08 21:07:29 +0200 | [diff] [blame] | 420 | free(argv); |
| 421 | |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 422 | spdu.jobs = cpu_to_le32(thread_number); |
| 423 | fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), 0); |
| 424 | return 0; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 425 | } |
| 426 | |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 427 | static int handle_probe_cmd(struct fio_net_cmd *cmd) |
| 428 | { |
| 429 | struct cmd_probe_pdu probe; |
| 430 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 431 | dprint(FD_NET, "server: sending probe reply\n"); |
| 432 | |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 433 | memset(&probe, 0, sizeof(probe)); |
| 434 | gethostname((char *) probe.hostname, sizeof(probe.hostname)); |
Jens Axboe | 6eb2479 | 2011-10-04 15:00:30 +0200 | [diff] [blame] | 435 | #ifdef FIO_BIG_ENDIAN |
| 436 | probe.bigendian = 1; |
| 437 | #endif |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 438 | probe.fio_major = FIO_MAJOR; |
| 439 | probe.fio_minor = FIO_MINOR; |
| 440 | probe.fio_patch = FIO_PATCH; |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 441 | |
Jens Axboe | cca8464 | 2011-10-07 12:47:57 +0200 | [diff] [blame] | 442 | probe.os = FIO_OS; |
| 443 | probe.arch = FIO_ARCH; |
| 444 | |
Jens Axboe | 38fdef2 | 2011-10-11 14:30:06 +0200 | [diff] [blame] | 445 | probe.bpp = sizeof(void *); |
| 446 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 447 | return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), cmd->tag); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 448 | } |
| 449 | |
| 450 | static int handle_send_eta_cmd(struct fio_net_cmd *cmd) |
| 451 | { |
| 452 | struct jobs_eta *je; |
| 453 | size_t size; |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 454 | int i; |
| 455 | |
Jens Axboe | b814fb2 | 2011-10-12 09:20:34 +0200 | [diff] [blame] | 456 | if (!thread_number) |
| 457 | return 0; |
| 458 | |
| 459 | size = sizeof(*je) + thread_number * sizeof(char) + 1; |
Jens Axboe | 7f86831 | 2011-10-10 09:55:21 +0200 | [diff] [blame] | 460 | je = malloc(size); |
| 461 | memset(je, 0, size); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 462 | |
| 463 | if (!calc_thread_status(je, 1)) { |
| 464 | free(je); |
| 465 | return 0; |
| 466 | } |
| 467 | |
| 468 | dprint(FD_NET, "server sending status\n"); |
| 469 | |
| 470 | je->nr_running = cpu_to_le32(je->nr_running); |
| 471 | je->nr_ramp = cpu_to_le32(je->nr_ramp); |
| 472 | je->nr_pending = cpu_to_le32(je->nr_pending); |
| 473 | je->files_open = cpu_to_le32(je->files_open); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 474 | |
| 475 | for (i = 0; i < 2; i++) { |
Jens Axboe | 3e47bd2 | 2012-02-29 13:45:02 +0100 | [diff] [blame] | 476 | je->m_rate[i] = cpu_to_le32(je->m_rate[i]); |
| 477 | je->t_rate[i] = cpu_to_le32(je->t_rate[i]); |
| 478 | je->m_iops[i] = cpu_to_le32(je->m_iops[i]); |
| 479 | je->t_iops[i] = cpu_to_le32(je->t_iops[i]); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 480 | je->rate[i] = cpu_to_le32(je->rate[i]); |
| 481 | je->iops[i] = cpu_to_le32(je->iops[i]); |
| 482 | } |
| 483 | |
Jens Axboe | c1970b9 | 2012-03-06 15:37:40 +0100 | [diff] [blame] | 484 | je->elapsed_sec = cpu_to_le64(je->elapsed_sec); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 485 | je->eta_sec = cpu_to_le64(je->eta_sec); |
Jens Axboe | 8c621fb | 2012-03-08 12:30:48 +0100 | [diff] [blame] | 486 | je->nr_threads = cpu_to_le32(je->nr_threads); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 487 | |
Jens Axboe | 7f86831 | 2011-10-10 09:55:21 +0200 | [diff] [blame] | 488 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, cmd->tag); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 489 | free(je); |
| 490 | return 0; |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 491 | } |
| 492 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 493 | static int handle_command(struct fio_net_cmd *cmd) |
| 494 | { |
| 495 | int ret; |
| 496 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 497 | dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%lx\n", |
| 498 | fio_server_op(cmd->opcode), cmd->pdu_len, cmd->tag); |
Jens Axboe | 46c48f1 | 2011-10-01 12:50:51 -0600 | [diff] [blame] | 499 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 500 | switch (cmd->opcode) { |
| 501 | case FIO_NET_CMD_QUIT: |
Jens Axboe | cc0df00 | 2011-10-03 20:53:32 +0200 | [diff] [blame] | 502 | fio_terminate_threads(TERMINATE_ALL); |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 503 | return -1; |
Jens Axboe | d795918 | 2011-10-03 11:48:39 +0200 | [diff] [blame] | 504 | case FIO_NET_CMD_EXIT: |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 505 | exit_backend = 1; |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 506 | return -1; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 507 | case FIO_NET_CMD_JOB: |
Jens Axboe | 0b8f30a | 2011-10-04 10:31:53 +0200 | [diff] [blame] | 508 | ret = handle_job_cmd(cmd); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 509 | break; |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 510 | case FIO_NET_CMD_JOBLINE: |
| 511 | ret = handle_jobline_cmd(cmd); |
| 512 | break; |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 513 | case FIO_NET_CMD_PROBE: |
| 514 | ret = handle_probe_cmd(cmd); |
| 515 | break; |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 516 | case FIO_NET_CMD_SEND_ETA: |
| 517 | ret = handle_send_eta_cmd(cmd); |
| 518 | break; |
Jens Axboe | b9d2f30 | 2012-03-08 20:36:28 +0100 | [diff] [blame] | 519 | case FIO_NET_CMD_RUN: |
| 520 | ret = handle_run_cmd(cmd); |
| 521 | break; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 522 | default: |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 523 | log_err("fio: unknown opcode: %s\n",fio_server_op(cmd->opcode)); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 524 | ret = 1; |
| 525 | } |
| 526 | |
| 527 | return ret; |
| 528 | } |
| 529 | |
Jens Axboe | 70e0c31 | 2011-10-04 09:18:30 +0200 | [diff] [blame] | 530 | static int handle_connection(int sk, int block) |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 531 | { |
| 532 | struct fio_net_cmd *cmd = NULL; |
| 533 | int ret = 0; |
| 534 | |
| 535 | /* read forever */ |
| 536 | while (!exit_backend) { |
Jens Axboe | e951bdc | 2011-10-05 21:58:45 +0200 | [diff] [blame] | 537 | struct pollfd pfd = { |
| 538 | .fd = sk, |
| 539 | .events = POLLIN, |
| 540 | }; |
| 541 | |
| 542 | ret = 0; |
| 543 | do { |
| 544 | ret = poll(&pfd, 1, 100); |
| 545 | if (ret < 0) { |
| 546 | if (errno == EINTR) |
| 547 | break; |
| 548 | log_err("fio: poll: %s\n", strerror(errno)); |
| 549 | break; |
Jens Axboe | 19c6517 | 2011-10-05 22:05:37 +0200 | [diff] [blame] | 550 | } else if (!ret) { |
| 551 | if (!block) |
| 552 | return 0; |
Jens Axboe | e951bdc | 2011-10-05 21:58:45 +0200 | [diff] [blame] | 553 | continue; |
Jens Axboe | 19c6517 | 2011-10-05 22:05:37 +0200 | [diff] [blame] | 554 | } |
Jens Axboe | e951bdc | 2011-10-05 21:58:45 +0200 | [diff] [blame] | 555 | |
| 556 | if (pfd.revents & POLLIN) |
| 557 | break; |
| 558 | if (pfd.revents & (POLLERR|POLLHUP)) { |
| 559 | ret = 1; |
| 560 | break; |
| 561 | } |
Jens Axboe | 19c6517 | 2011-10-05 22:05:37 +0200 | [diff] [blame] | 562 | } while (!exit_backend); |
Jens Axboe | e951bdc | 2011-10-05 21:58:45 +0200 | [diff] [blame] | 563 | |
| 564 | if (ret < 0) |
| 565 | break; |
| 566 | |
| 567 | cmd = fio_net_recv_cmd(sk); |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 568 | if (!cmd) { |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 569 | ret = -1; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 570 | break; |
| 571 | } |
| 572 | |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 573 | ret = handle_command(cmd); |
| 574 | if (ret) |
| 575 | break; |
| 576 | |
| 577 | free(cmd); |
Jens Axboe | c77a99e | 2011-10-01 16:26:42 -0400 | [diff] [blame] | 578 | cmd = NULL; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 579 | } |
| 580 | |
| 581 | if (cmd) |
| 582 | free(cmd); |
| 583 | |
| 584 | return ret; |
| 585 | } |
| 586 | |
Jens Axboe | cc0df00 | 2011-10-03 20:53:32 +0200 | [diff] [blame] | 587 | void fio_server_idle_loop(void) |
| 588 | { |
Jens Axboe | 3ec62ec | 2012-03-01 12:01:29 +0100 | [diff] [blame] | 589 | if (!first_cmd_check) { |
Jens Axboe | 5d7793a | 2012-03-08 19:59:16 +0100 | [diff] [blame] | 590 | fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); |
Jens Axboe | 3ec62ec | 2012-03-01 12:01:29 +0100 | [diff] [blame] | 591 | first_cmd_check = 1; |
| 592 | } |
Jens Axboe | cc0df00 | 2011-10-03 20:53:32 +0200 | [diff] [blame] | 593 | if (server_fd != -1) |
Jens Axboe | 70e0c31 | 2011-10-04 09:18:30 +0200 | [diff] [blame] | 594 | handle_connection(server_fd, 0); |
Jens Axboe | cc0df00 | 2011-10-03 20:53:32 +0200 | [diff] [blame] | 595 | } |
| 596 | |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 597 | static int accept_loop(int listen_sk) |
| 598 | { |
Jens Axboe | bb447a2 | 2011-10-04 15:06:42 +0200 | [diff] [blame] | 599 | struct sockaddr_in addr; |
Jens Axboe | 5ba13ea | 2011-10-04 23:50:28 +0200 | [diff] [blame] | 600 | fio_socklen_t len = sizeof(addr); |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 601 | struct pollfd pfd; |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 602 | int ret, sk, flags, exitval = 0; |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 603 | |
Jens Axboe | 60efd14 | 2011-10-04 13:30:11 +0200 | [diff] [blame] | 604 | dprint(FD_NET, "server enter accept loop\n"); |
| 605 | |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 606 | flags = fcntl(listen_sk, F_GETFL); |
| 607 | flags |= O_NONBLOCK; |
| 608 | fcntl(listen_sk, F_SETFL, flags); |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 609 | again: |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 610 | pfd.fd = listen_sk; |
| 611 | pfd.events = POLLIN; |
| 612 | do { |
| 613 | ret = poll(&pfd, 1, 100); |
| 614 | if (ret < 0) { |
| 615 | if (errno == EINTR) |
| 616 | break; |
Jens Axboe | fcee5ff | 2011-09-30 22:50:39 -0600 | [diff] [blame] | 617 | log_err("fio: poll: %s\n", strerror(errno)); |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 618 | goto out; |
| 619 | } else if (!ret) |
| 620 | continue; |
| 621 | |
| 622 | if (pfd.revents & POLLIN) |
| 623 | break; |
| 624 | } while (!exit_backend); |
| 625 | |
| 626 | if (exit_backend) |
| 627 | goto out; |
| 628 | |
Jens Axboe | 6b976bf | 2011-10-04 15:07:43 +0200 | [diff] [blame] | 629 | sk = accept(listen_sk, (struct sockaddr *) &addr, &len); |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 630 | if (sk < 0) { |
Jens Axboe | 690e09a | 2011-09-29 18:38:08 -0600 | [diff] [blame] | 631 | log_err("fio: accept: %s\n", strerror(errno)); |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 632 | return -1; |
| 633 | } |
| 634 | |
Jens Axboe | bb447a2 | 2011-10-04 15:06:42 +0200 | [diff] [blame] | 635 | dprint(FD_NET, "server: connect from %s\n", inet_ntoa(addr.sin_addr)); |
Jens Axboe | 46c48f1 | 2011-10-01 12:50:51 -0600 | [diff] [blame] | 636 | |
Jens Axboe | 37db14f | 2011-09-30 17:00:42 -0600 | [diff] [blame] | 637 | server_fd = sk; |
| 638 | |
Jens Axboe | 70e0c31 | 2011-10-04 09:18:30 +0200 | [diff] [blame] | 639 | exitval = handle_connection(sk, 1); |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 640 | |
Jens Axboe | 37db14f | 2011-09-30 17:00:42 -0600 | [diff] [blame] | 641 | server_fd = -1; |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 642 | close(sk); |
Jens Axboe | 5c341e9 | 2011-09-29 18:00:35 -0600 | [diff] [blame] | 643 | |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 644 | if (!exit_backend) |
Jens Axboe | 5c341e9 | 2011-09-29 18:00:35 -0600 | [diff] [blame] | 645 | goto again; |
| 646 | |
Jens Axboe | 009b1be | 2011-09-29 18:27:02 -0600 | [diff] [blame] | 647 | out: |
Jens Axboe | 132159a | 2011-09-30 15:01:32 -0600 | [diff] [blame] | 648 | return exitval; |
Jens Axboe | 50d1697 | 2011-09-29 17:45:28 -0600 | [diff] [blame] | 649 | } |
| 650 | |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 651 | 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] | 652 | { |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 653 | struct cmd_text_pdu *pdu; |
| 654 | unsigned int tlen; |
| 655 | struct timeval tv; |
Jens Axboe | 337d75a | 2011-10-01 12:36:32 -0600 | [diff] [blame] | 656 | |
Jens Axboe | 084d1c6 | 2012-03-03 20:28:07 +0100 | [diff] [blame] | 657 | if (server_fd == -1) |
| 658 | return log_local_buf(buf, len); |
| 659 | |
| 660 | tlen = sizeof(*pdu) + len; |
| 661 | pdu = malloc(tlen); |
| 662 | |
| 663 | pdu->level = __cpu_to_le32(level); |
| 664 | pdu->buf_len = __cpu_to_le32(len); |
| 665 | |
| 666 | gettimeofday(&tv, NULL); |
| 667 | pdu->log_sec = __cpu_to_le64(tv.tv_sec); |
| 668 | pdu->log_usec = __cpu_to_le64(tv.tv_usec); |
| 669 | |
| 670 | memcpy(pdu->buf, buf, len); |
| 671 | |
| 672 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, 0); |
| 673 | free(pdu); |
| 674 | return len; |
Jens Axboe | 142575e | 2011-09-30 17:35:45 -0600 | [diff] [blame] | 675 | } |
| 676 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 677 | static void convert_io_stat(struct io_stat *dst, struct io_stat *src) |
| 678 | { |
| 679 | dst->max_val = cpu_to_le64(src->max_val); |
| 680 | dst->min_val = cpu_to_le64(src->min_val); |
| 681 | dst->samples = cpu_to_le64(src->samples); |
Jens Axboe | 802ad4a | 2011-10-05 09:51:58 +0200 | [diff] [blame] | 682 | |
| 683 | /* |
| 684 | * Encode to IEEE 754 for network transfer |
| 685 | */ |
| 686 | dst->mean.u.i = __cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); |
| 687 | 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] | 688 | } |
| 689 | |
| 690 | static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) |
| 691 | { |
| 692 | int i; |
| 693 | |
| 694 | for (i = 0; i < 2; i++) { |
| 695 | dst->max_run[i] = cpu_to_le64(src->max_run[i]); |
| 696 | dst->min_run[i] = cpu_to_le64(src->min_run[i]); |
| 697 | dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); |
| 698 | dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); |
| 699 | dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); |
| 700 | dst->agg[i] = cpu_to_le64(src->agg[i]); |
| 701 | } |
| 702 | |
| 703 | dst->kb_base = cpu_to_le32(src->kb_base); |
| 704 | dst->groupid = cpu_to_le32(src->groupid); |
| 705 | } |
| 706 | |
| 707 | /* |
| 708 | * Send a CMD_TS, which packs struct thread_stat and group_run_stats |
| 709 | * into a single payload. |
| 710 | */ |
| 711 | void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) |
| 712 | { |
| 713 | struct cmd_ts_pdu p; |
| 714 | int i, j; |
| 715 | |
Jens Axboe | 60efd14 | 2011-10-04 13:30:11 +0200 | [diff] [blame] | 716 | dprint(FD_NET, "server sending end stats\n"); |
| 717 | |
Jens Axboe | 317b3c8 | 2011-10-03 21:47:27 +0200 | [diff] [blame] | 718 | memset(&p, 0, sizeof(p)); |
| 719 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 720 | strcpy(p.ts.name, ts->name); |
| 721 | strcpy(p.ts.verror, ts->verror); |
| 722 | strcpy(p.ts.description, ts->description); |
| 723 | |
Jens Axboe | ddcc0b6 | 2011-10-03 14:45:27 +0200 | [diff] [blame] | 724 | p.ts.error = cpu_to_le32(ts->error); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 725 | p.ts.groupid = cpu_to_le32(ts->groupid); |
Jens Axboe | ddcc0b6 | 2011-10-03 14:45:27 +0200 | [diff] [blame] | 726 | p.ts.pid = cpu_to_le32(ts->pid); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 727 | p.ts.members = cpu_to_le32(ts->members); |
| 728 | |
| 729 | for (i = 0; i < 2; i++) { |
| 730 | convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); |
| 731 | convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); |
| 732 | convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); |
| 733 | convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); |
| 734 | } |
| 735 | |
| 736 | p.ts.usr_time = cpu_to_le64(ts->usr_time); |
| 737 | p.ts.sys_time = cpu_to_le64(ts->sys_time); |
| 738 | p.ts.ctx = cpu_to_le64(ts->ctx); |
| 739 | p.ts.minf = cpu_to_le64(ts->minf); |
| 740 | p.ts.majf = cpu_to_le64(ts->majf); |
| 741 | p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); |
Jens Axboe | 802ad4a | 2011-10-05 09:51:58 +0200 | [diff] [blame] | 742 | |
| 743 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { |
Jens Axboe | cfc03e4 | 2011-10-12 21:20:42 +0200 | [diff] [blame] | 744 | fio_fp64_t *src = &ts->percentile_list[i]; |
| 745 | fio_fp64_t *dst = &p.ts.percentile_list[i]; |
Jens Axboe | 802ad4a | 2011-10-05 09:51:58 +0200 | [diff] [blame] | 746 | |
Jens Axboe | cfc03e4 | 2011-10-12 21:20:42 +0200 | [diff] [blame] | 747 | 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] | 748 | } |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 749 | |
| 750 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { |
| 751 | p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); |
| 752 | p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); |
| 753 | p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); |
| 754 | } |
| 755 | |
| 756 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { |
| 757 | p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); |
| 758 | p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); |
| 759 | } |
| 760 | |
| 761 | for (i = 0; i < 2; i++) |
| 762 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
| 763 | p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); |
| 764 | |
| 765 | for (i = 0; i < 3; i++) { |
| 766 | 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] | 767 | 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] | 768 | } |
| 769 | |
Jens Axboe | 93eee04 | 2011-10-03 21:08:48 +0200 | [diff] [blame] | 770 | p.ts.total_submit = cpu_to_le64(ts->total_submit); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 771 | p.ts.total_complete = cpu_to_le64(ts->total_complete); |
| 772 | |
| 773 | for (i = 0; i < 2; i++) { |
| 774 | p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); |
| 775 | p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); |
| 776 | } |
| 777 | |
| 778 | p.ts.total_run_time = cpu_to_le64(ts->total_run_time); |
| 779 | p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); |
| 780 | p.ts.total_err_count = cpu_to_le64(ts->total_err_count); |
Jens Axboe | ddcc0b6 | 2011-10-03 14:45:27 +0200 | [diff] [blame] | 781 | p.ts.first_error = cpu_to_le32(ts->first_error); |
| 782 | p.ts.kb_base = cpu_to_le32(ts->kb_base); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 783 | |
| 784 | convert_gs(&p.rs, rs); |
| 785 | |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 786 | fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), 0); |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 787 | } |
| 788 | |
| 789 | void fio_server_send_gs(struct group_run_stats *rs) |
| 790 | { |
| 791 | struct group_run_stats gs; |
| 792 | |
Jens Axboe | 60efd14 | 2011-10-04 13:30:11 +0200 | [diff] [blame] | 793 | dprint(FD_NET, "server sending group run stats\n"); |
| 794 | |
Jens Axboe | a64e88d | 2011-10-03 14:20:01 +0200 | [diff] [blame] | 795 | convert_gs(&gs, rs); |
Jens Axboe | af9c9fb | 2011-10-09 21:54:10 +0200 | [diff] [blame] | 796 | fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), 0); |
Jens Axboe | cf451d1 | 2011-10-03 16:48:30 +0200 | [diff] [blame] | 797 | } |
| 798 | |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 799 | static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src) |
| 800 | { |
| 801 | int i; |
| 802 | |
| 803 | for (i = 0; i < 2; i++) { |
| 804 | dst->ios[i] = cpu_to_le32(src->ios[i]); |
| 805 | dst->merges[i] = cpu_to_le32(src->merges[i]); |
| 806 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
| 807 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); |
| 808 | } |
| 809 | |
| 810 | dst->io_ticks = cpu_to_le32(src->io_ticks); |
| 811 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); |
| 812 | dst->slavecount = cpu_to_le32(src->slavecount); |
| 813 | dst->max_util.u.i = __cpu_to_le64(fio_double_to_uint64(src->max_util.u.f)); |
| 814 | } |
| 815 | |
| 816 | static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src) |
| 817 | { |
| 818 | int i; |
| 819 | |
| 820 | strcpy((char *) dst->name, (char *) src->name); |
| 821 | |
| 822 | for (i = 0; i < 2; i++) { |
| 823 | dst->ios[i] = cpu_to_le32(src->ios[i]); |
| 824 | dst->merges[i] = cpu_to_le32(src->merges[i]); |
| 825 | dst->sectors[i] = cpu_to_le64(src->sectors[i]); |
| 826 | dst->ticks[i] = cpu_to_le32(src->ticks[i]); |
| 827 | } |
| 828 | |
| 829 | dst->io_ticks = cpu_to_le32(src->io_ticks); |
| 830 | dst->time_in_queue = cpu_to_le32(src->time_in_queue); |
| 831 | dst->msec = cpu_to_le64(src->msec); |
| 832 | } |
| 833 | |
| 834 | void fio_server_send_du(void) |
| 835 | { |
| 836 | struct disk_util *du; |
| 837 | struct flist_head *entry; |
| 838 | struct cmd_du_pdu pdu; |
| 839 | |
| 840 | dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list)); |
| 841 | |
Jens Axboe | 0766d92 | 2011-10-13 12:02:08 +0200 | [diff] [blame] | 842 | memset(&pdu, 0, sizeof(pdu)); |
| 843 | |
Jens Axboe | d09a64a | 2011-10-13 11:38:56 +0200 | [diff] [blame] | 844 | flist_for_each(entry, &disk_list) { |
| 845 | du = flist_entry(entry, struct disk_util, list); |
| 846 | |
| 847 | convert_dus(&pdu.dus, &du->dus); |
| 848 | convert_agg(&pdu.agg, &du->agg); |
| 849 | |
| 850 | fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), 0); |
| 851 | } |
| 852 | } |
| 853 | |
Jens Axboe | 1b42725 | 2012-03-14 15:03:03 +0100 | [diff] [blame^] | 854 | int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) |
| 855 | { |
| 856 | struct cmd_iolog_pdu *pdu; |
| 857 | struct fio_net_cmd cmd; |
| 858 | z_stream stream; |
| 859 | void *out_pdu; |
| 860 | size_t p_size; |
| 861 | int i; |
| 862 | |
| 863 | p_size = sizeof(*pdu) + log->nr_samples * sizeof(struct io_sample); |
| 864 | pdu = malloc(p_size); |
| 865 | |
| 866 | pdu->nr_samples = __cpu_to_le32(log->nr_samples); |
| 867 | pdu->log_type = cpu_to_le32(log->log_type); |
| 868 | strcpy((char *) pdu->name, name); |
| 869 | |
| 870 | for (i = 0; i < log->nr_samples; i++) { |
| 871 | struct io_sample *s = &pdu->samples[i]; |
| 872 | |
| 873 | s->time = cpu_to_le64(log->log[i].time); |
| 874 | s->val = cpu_to_le64(log->log[i].val); |
| 875 | s->ddir = cpu_to_le32(log->log[i].ddir); |
| 876 | s->bs = cpu_to_le32(log->log[i].bs); |
| 877 | } |
| 878 | |
| 879 | /* |
| 880 | * Dirty - since the log is potentially huge, compress it into |
| 881 | * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving |
| 882 | * side defragment it. |
| 883 | */ |
| 884 | out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); |
| 885 | |
| 886 | stream.zalloc = Z_NULL; |
| 887 | stream.zfree = Z_NULL; |
| 888 | stream.opaque = Z_NULL; |
| 889 | |
| 890 | if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { |
| 891 | free(out_pdu); |
| 892 | free(pdu); |
| 893 | return 1; |
| 894 | } |
| 895 | |
| 896 | /* |
| 897 | * Don't compress the nr samples entry, we want to know on the |
| 898 | * client side how much data to allocate before starting inflate. |
| 899 | */ |
| 900 | __fio_init_net_cmd(&cmd, FIO_NET_CMD_IOLOG, sizeof(pdu->nr_samples), 0); |
| 901 | cmd.flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
| 902 | fio_net_cmd_crc_pdu(&cmd, pdu); |
| 903 | fio_send_data(server_fd, &cmd, sizeof(cmd)); |
| 904 | fio_send_data(server_fd, pdu, sizeof(pdu->nr_samples)); |
| 905 | |
| 906 | stream.next_in = (void *) pdu + sizeof(pdu->nr_samples); |
| 907 | stream.avail_in = p_size - sizeof(pdu->nr_samples); |
| 908 | |
| 909 | do { |
| 910 | unsigned int this_len; |
| 911 | |
| 912 | stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; |
| 913 | stream.next_out = out_pdu; |
| 914 | deflate(&stream, Z_FINISH); |
| 915 | |
| 916 | this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; |
| 917 | |
| 918 | __fio_init_net_cmd(&cmd, FIO_NET_CMD_IOLOG, this_len, 0); |
| 919 | |
| 920 | if (stream.avail_in) |
| 921 | cmd.flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); |
| 922 | |
| 923 | fio_net_cmd_crc_pdu(&cmd, out_pdu); |
| 924 | |
| 925 | fio_send_data(server_fd, &cmd, sizeof(cmd)); |
| 926 | fio_send_data(server_fd, out_pdu, this_len); |
| 927 | } while (stream.avail_in); |
| 928 | |
| 929 | free(pdu); |
| 930 | free(out_pdu); |
| 931 | deflateEnd(&stream); |
| 932 | return 0; |
| 933 | } |
| 934 | |
Jens Axboe | 807f997 | 2012-03-02 10:25:24 +0100 | [diff] [blame] | 935 | void fio_server_send_add_job(struct thread_options *o, const char *ioengine) |
| 936 | { |
| 937 | struct cmd_add_job_pdu pdu; |
Jens Axboe | 807f997 | 2012-03-02 10:25:24 +0100 | [diff] [blame] | 938 | |
Jens Axboe | dcaeb60 | 2012-03-08 19:45:37 +0100 | [diff] [blame] | 939 | convert_thread_options_to_net(&pdu.top, o); |
Jens Axboe | 807f997 | 2012-03-02 10:25:24 +0100 | [diff] [blame] | 940 | |
| 941 | fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), 0); |
| 942 | } |
| 943 | |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 944 | static int fio_init_server_ip(void) |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 945 | { |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 946 | struct sockaddr *addr; |
| 947 | fio_socklen_t socklen; |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 948 | int sk, opt; |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 949 | |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 950 | if (use_ipv6) |
| 951 | sk = socket(AF_INET6, SOCK_STREAM, 0); |
| 952 | else |
| 953 | sk = socket(AF_INET, SOCK_STREAM, 0); |
| 954 | |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 955 | if (sk < 0) { |
| 956 | log_err("fio: socket: %s\n", strerror(errno)); |
| 957 | return -1; |
| 958 | } |
| 959 | |
| 960 | opt = 1; |
| 961 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { |
| 962 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 963 | close(sk); |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 964 | return -1; |
| 965 | } |
| 966 | #ifdef SO_REUSEPORT |
Jens Axboe | 6eb2479 | 2011-10-04 15:00:30 +0200 | [diff] [blame] | 967 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 968 | log_err("fio: setsockopt: %s\n", strerror(errno)); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 969 | close(sk); |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 970 | return -1; |
| 971 | } |
| 972 | #endif |
| 973 | |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 974 | if (use_ipv6) { |
| 975 | addr = (struct sockaddr *) &saddr_in6; |
| 976 | socklen = sizeof(saddr_in6); |
| 977 | saddr_in6.sin6_family = AF_INET6; |
| 978 | } else { |
| 979 | addr = (struct sockaddr *) &saddr_in; |
| 980 | socklen = sizeof(saddr_in); |
| 981 | saddr_in.sin_family = AF_INET; |
| 982 | } |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 983 | |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 984 | if (bind(sk, addr, socklen) < 0) { |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 985 | log_err("fio: bind: %s\n", strerror(errno)); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 986 | close(sk); |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 987 | return -1; |
| 988 | } |
| 989 | |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 990 | return sk; |
| 991 | } |
| 992 | |
| 993 | static int fio_init_server_sock(void) |
| 994 | { |
| 995 | struct sockaddr_un addr; |
| 996 | fio_socklen_t len; |
| 997 | mode_t mode; |
| 998 | int sk; |
| 999 | |
| 1000 | sk = socket(AF_UNIX, SOCK_STREAM, 0); |
| 1001 | if (sk < 0) { |
| 1002 | log_err("fio: socket: %s\n", strerror(errno)); |
| 1003 | return -1; |
| 1004 | } |
| 1005 | |
| 1006 | mode = umask(000); |
| 1007 | |
| 1008 | memset(&addr, 0, sizeof(addr)); |
| 1009 | addr.sun_family = AF_UNIX; |
| 1010 | strcpy(addr.sun_path, bind_sock); |
| 1011 | unlink(bind_sock); |
| 1012 | |
| 1013 | len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; |
| 1014 | |
| 1015 | if (bind(sk, (struct sockaddr *) &addr, len) < 0) { |
| 1016 | log_err("fio: bind: %s\n", strerror(errno)); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 1017 | close(sk); |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1018 | return -1; |
| 1019 | } |
| 1020 | |
| 1021 | umask(mode); |
| 1022 | return sk; |
| 1023 | } |
| 1024 | |
| 1025 | static int fio_init_server_connection(void) |
| 1026 | { |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1027 | char bind_str[128]; |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1028 | int sk; |
| 1029 | |
| 1030 | dprint(FD_NET, "starting server\n"); |
| 1031 | |
| 1032 | if (!bind_sock) |
| 1033 | sk = fio_init_server_ip(); |
| 1034 | else |
| 1035 | sk = fio_init_server_sock(); |
| 1036 | |
| 1037 | if (sk < 0) |
| 1038 | return sk; |
| 1039 | |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1040 | if (!bind_sock) { |
| 1041 | char *p, port[16]; |
| 1042 | const void *src; |
| 1043 | int af; |
| 1044 | |
| 1045 | if (use_ipv6) { |
| 1046 | af = AF_INET6; |
| 1047 | src = &saddr_in6.sin6_addr; |
| 1048 | } else { |
| 1049 | af = AF_INET; |
| 1050 | src = &saddr_in.sin_addr; |
| 1051 | } |
| 1052 | |
| 1053 | p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str)); |
| 1054 | |
| 1055 | sprintf(port, ",%u", fio_net_port); |
| 1056 | if (p) |
| 1057 | strcat(p, port); |
| 1058 | else |
| 1059 | strcpy(bind_str, port); |
| 1060 | } else |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1061 | strcpy(bind_str, bind_sock); |
| 1062 | |
| 1063 | log_info("fio: server listening on %s\n", bind_str); |
| 1064 | |
Jens Axboe | 89c1707 | 2011-10-11 10:15:51 +0200 | [diff] [blame] | 1065 | if (listen(sk, 0) < 0) { |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1066 | log_err("fio: listen: %s\n", strerror(errno)); |
| 1067 | return -1; |
| 1068 | } |
| 1069 | |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1070 | return sk; |
| 1071 | } |
| 1072 | |
Jens Axboe | 3ec62ec | 2012-03-01 12:01:29 +0100 | [diff] [blame] | 1073 | int fio_server_parse_host(const char *host, int *ipv6, struct in_addr *inp, |
| 1074 | struct in6_addr *inp6) |
| 1075 | |
| 1076 | { |
| 1077 | int ret = 0; |
| 1078 | |
| 1079 | if (*ipv6) |
| 1080 | ret = inet_pton(AF_INET6, host, inp6); |
| 1081 | else |
| 1082 | ret = inet_pton(AF_INET, host, inp); |
| 1083 | |
| 1084 | if (ret != 1) { |
| 1085 | struct hostent *hent; |
| 1086 | |
| 1087 | hent = gethostbyname(host); |
| 1088 | if (!hent) { |
| 1089 | log_err("fio: failed to resolve <%s>\n", host); |
| 1090 | return 0; |
| 1091 | } |
| 1092 | |
| 1093 | if (*ipv6) { |
| 1094 | if (hent->h_addrtype != AF_INET6) { |
| 1095 | log_info("fio: falling back to IPv4\n"); |
| 1096 | *ipv6 = 0; |
| 1097 | } else |
| 1098 | memcpy(inp6, hent->h_addr_list[0], 16); |
| 1099 | } |
| 1100 | if (!*ipv6) { |
| 1101 | if (hent->h_addrtype != AF_INET) { |
| 1102 | log_err("fio: lookup type mismatch\n"); |
| 1103 | return 0; |
| 1104 | } |
| 1105 | memcpy(inp, hent->h_addr_list[0], 4); |
| 1106 | } |
| 1107 | ret = 1; |
| 1108 | } |
| 1109 | |
| 1110 | return !(ret == 1); |
| 1111 | } |
| 1112 | |
Jens Axboe | 660a2bf | 2011-10-24 09:35:06 +0200 | [diff] [blame] | 1113 | /* |
| 1114 | * Parse a host/ip/port string. Reads from 'str'. |
| 1115 | * |
| 1116 | * Outputs: |
| 1117 | * |
| 1118 | * For IPv4: |
| 1119 | * *ptr is the host, *port is the port, inp is the destination. |
| 1120 | * For IPv6: |
| 1121 | * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1. |
| 1122 | * For local domain sockets: |
| 1123 | * *ptr is the filename, *is_sock is 1. |
| 1124 | */ |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1125 | 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] | 1126 | int *port, struct in_addr *inp, |
| 1127 | struct in6_addr *inp6, int *ipv6) |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1128 | { |
Jens Axboe | 7686762 | 2011-10-25 09:52:51 +0200 | [diff] [blame] | 1129 | const char *host = str; |
| 1130 | char *portp; |
Jens Axboe | 3ec62ec | 2012-03-01 12:01:29 +0100 | [diff] [blame] | 1131 | int lport = 0; |
Jens Axboe | 7686762 | 2011-10-25 09:52:51 +0200 | [diff] [blame] | 1132 | |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1133 | *ptr = NULL; |
| 1134 | *is_sock = 0; |
Jens Axboe | 6d2cf39 | 2011-10-07 13:19:28 +0200 | [diff] [blame] | 1135 | *port = fio_net_port; |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1136 | *ipv6 = 0; |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1137 | |
| 1138 | if (!strncmp(str, "sock:", 5)) { |
| 1139 | *ptr = strdup(str + 5); |
| 1140 | *is_sock = 1; |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1141 | |
Jens Axboe | 7686762 | 2011-10-25 09:52:51 +0200 | [diff] [blame] | 1142 | return 0; |
| 1143 | } |
| 1144 | |
| 1145 | /* |
| 1146 | * Is it ip:<ip or host>:port |
| 1147 | */ |
| 1148 | if (!strncmp(host, "ip:", 3)) |
| 1149 | host += 3; |
| 1150 | else if (!strncmp(host, "ip4:", 4)) |
| 1151 | host += 4; |
| 1152 | else if (!strncmp(host, "ip6:", 4)) { |
| 1153 | host += 4; |
| 1154 | *ipv6 = 1; |
| 1155 | } else if (host[0] == ':') { |
| 1156 | /* String is :port */ |
| 1157 | host++; |
| 1158 | lport = atoi(host); |
| 1159 | if (!lport || lport > 65535) { |
| 1160 | log_err("fio: bad server port %u\n", port); |
| 1161 | return 1; |
| 1162 | } |
| 1163 | /* no hostname given, we are done */ |
| 1164 | *port = lport; |
| 1165 | return 0; |
| 1166 | } |
| 1167 | |
| 1168 | /* |
| 1169 | * If no port seen yet, check if there's a last ':' at the end |
| 1170 | */ |
| 1171 | if (!lport) { |
| 1172 | portp = strchr(host, ','); |
| 1173 | if (portp) { |
| 1174 | *portp = '\0'; |
| 1175 | portp++; |
| 1176 | lport = atoi(portp); |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1177 | if (!lport || lport > 65535) { |
| 1178 | log_err("fio: bad server port %u\n", port); |
| 1179 | return 1; |
| 1180 | } |
Jens Axboe | 7686762 | 2011-10-25 09:52:51 +0200 | [diff] [blame] | 1181 | } |
| 1182 | } |
| 1183 | |
| 1184 | if (lport) |
| 1185 | *port = lport; |
| 1186 | |
| 1187 | if (!strlen(host)) |
| 1188 | return 0; |
| 1189 | |
| 1190 | *ptr = strdup(host); |
| 1191 | |
Jens Axboe | 3ec62ec | 2012-03-01 12:01:29 +0100 | [diff] [blame] | 1192 | if (fio_server_parse_host(*ptr, ipv6, inp, inp6)) { |
| 1193 | free(*ptr); |
| 1194 | *ptr = NULL; |
| 1195 | return 1; |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1196 | } |
| 1197 | |
| 1198 | if (*port == 0) |
| 1199 | *port = fio_net_port; |
| 1200 | |
| 1201 | return 0; |
| 1202 | } |
| 1203 | |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1204 | /* |
| 1205 | * Server arg should be one of: |
| 1206 | * |
| 1207 | * sock:/path/to/socket |
| 1208 | * ip:1.2.3.4 |
| 1209 | * 1.2.3.4 |
| 1210 | * |
| 1211 | * Where sock uses unix domain sockets, and ip binds the server to |
| 1212 | * a specific interface. If no arguments are given to the server, it |
| 1213 | * uses IP and binds to 0.0.0.0. |
| 1214 | * |
| 1215 | */ |
| 1216 | static int fio_handle_server_arg(void) |
| 1217 | { |
Jens Axboe | 6d2cf39 | 2011-10-07 13:19:28 +0200 | [diff] [blame] | 1218 | int port = fio_net_port; |
Jens Axboe | a7de0a1 | 2011-10-07 12:55:14 +0200 | [diff] [blame] | 1219 | int is_sock, ret = 0; |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1220 | |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1221 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); |
| 1222 | |
| 1223 | if (!fio_server_arg) |
Jens Axboe | a7de0a1 | 2011-10-07 12:55:14 +0200 | [diff] [blame] | 1224 | goto out; |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1225 | |
Jens Axboe | 4e5b8fb | 2011-10-07 10:03:44 +0200 | [diff] [blame] | 1226 | ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1227 | &port, &saddr_in.sin_addr, |
| 1228 | &saddr_in6.sin6_addr, &use_ipv6); |
Jens Axboe | 4e5b8fb | 2011-10-07 10:03:44 +0200 | [diff] [blame] | 1229 | |
| 1230 | if (!is_sock && bind_sock) { |
| 1231 | free(bind_sock); |
| 1232 | bind_sock = NULL; |
| 1233 | } |
| 1234 | |
Jens Axboe | a7de0a1 | 2011-10-07 12:55:14 +0200 | [diff] [blame] | 1235 | out: |
Jens Axboe | 6d2cf39 | 2011-10-07 13:19:28 +0200 | [diff] [blame] | 1236 | fio_net_port = port; |
| 1237 | saddr_in.sin_port = htons(port); |
Jens Axboe | 811826b | 2011-10-24 09:11:50 +0200 | [diff] [blame] | 1238 | saddr_in6.sin6_port = htons(port); |
Jens Axboe | 4e5b8fb | 2011-10-07 10:03:44 +0200 | [diff] [blame] | 1239 | return ret; |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1240 | } |
| 1241 | |
| 1242 | static int fio_server(void) |
| 1243 | { |
| 1244 | int sk, ret; |
| 1245 | |
| 1246 | dprint(FD_NET, "starting server\n"); |
| 1247 | |
| 1248 | if (fio_handle_server_arg()) |
| 1249 | return -1; |
| 1250 | |
| 1251 | sk = fio_init_server_connection(); |
| 1252 | if (sk < 0) |
| 1253 | return -1; |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1254 | |
| 1255 | ret = accept_loop(sk); |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1256 | |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1257 | close(sk); |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1258 | |
| 1259 | if (fio_server_arg) { |
| 1260 | free(fio_server_arg); |
| 1261 | fio_server_arg = NULL; |
| 1262 | } |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1263 | if (bind_sock) |
| 1264 | free(bind_sock); |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1265 | |
Jens Axboe | 81179ee | 2011-10-04 12:42:06 +0200 | [diff] [blame] | 1266 | return ret; |
| 1267 | } |
| 1268 | |
Jens Axboe | 7b82168 | 2011-10-11 12:16:32 +0200 | [diff] [blame] | 1269 | void fio_server_got_signal(int signal) |
Jens Axboe | 9abea48 | 2011-10-04 13:21:54 +0200 | [diff] [blame] | 1270 | { |
Jens Axboe | 7b82168 | 2011-10-11 12:16:32 +0200 | [diff] [blame] | 1271 | if (signal == SIGPIPE) |
| 1272 | server_fd = -1; |
| 1273 | else { |
| 1274 | log_info("\nfio: terminating on signal %d\n", signal); |
| 1275 | exit_backend = 1; |
| 1276 | } |
Jens Axboe | 9abea48 | 2011-10-04 13:21:54 +0200 | [diff] [blame] | 1277 | } |
| 1278 | |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1279 | static int check_existing_pidfile(const char *pidfile) |
| 1280 | { |
| 1281 | struct stat sb; |
| 1282 | char buf[16]; |
| 1283 | pid_t pid; |
| 1284 | FILE *f; |
| 1285 | |
| 1286 | if (stat(pidfile, &sb)) |
| 1287 | return 0; |
| 1288 | |
| 1289 | f = fopen(pidfile, "r"); |
| 1290 | if (!f) |
| 1291 | return 0; |
| 1292 | |
Jens Axboe | bfc3b17 | 2011-10-10 21:16:55 +0200 | [diff] [blame] | 1293 | if (fread(buf, sb.st_size, 1, f) <= 0) { |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1294 | fclose(f); |
| 1295 | return 1; |
| 1296 | } |
| 1297 | fclose(f); |
| 1298 | |
| 1299 | pid = atoi(buf); |
| 1300 | if (kill(pid, SIGCONT) < 0) |
Jens Axboe | ea5aa1b | 2011-10-11 11:45:35 +0200 | [diff] [blame] | 1301 | return errno != ESRCH; |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1302 | |
| 1303 | return 1; |
| 1304 | } |
| 1305 | |
| 1306 | static int write_pid(pid_t pid, const char *pidfile) |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1307 | { |
| 1308 | FILE *fpid; |
| 1309 | |
| 1310 | fpid = fopen(pidfile, "w"); |
| 1311 | if (!fpid) { |
| 1312 | log_err("fio: failed opening pid file %s\n", pidfile); |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1313 | return 1; |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1314 | } |
| 1315 | |
| 1316 | fprintf(fpid, "%u\n", (unsigned int) pid); |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1317 | fclose(fpid); |
| 1318 | return 0; |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1319 | } |
| 1320 | |
| 1321 | /* |
| 1322 | * If pidfile is specified, background us. |
| 1323 | */ |
| 1324 | int fio_start_server(char *pidfile) |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1325 | { |
| 1326 | pid_t pid; |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1327 | int ret; |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1328 | |
Bruce Cran | 93bcfd2 | 2012-02-20 20:18:19 +0100 | [diff] [blame] | 1329 | #if defined(WIN32) |
Jens Axboe | 905c78b | 2012-03-06 19:34:22 +0100 | [diff] [blame] | 1330 | WSADATA wsd; |
| 1331 | WSAStartup(MAKEWORD(2,2), &wsd); |
Bruce Cran | 93bcfd2 | 2012-02-20 20:18:19 +0100 | [diff] [blame] | 1332 | #endif |
| 1333 | |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1334 | if (!pidfile) |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1335 | return fio_server(); |
| 1336 | |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1337 | if (check_existing_pidfile(pidfile)) { |
| 1338 | log_err("fio: pidfile %s exists and server appears alive\n", |
| 1339 | pidfile); |
| 1340 | return -1; |
| 1341 | } |
| 1342 | |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1343 | pid = fork(); |
| 1344 | if (pid < 0) { |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1345 | log_err("fio: failed server fork: %s", strerror(errno)); |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1346 | free(pidfile); |
Jens Axboe | c28e8e8 | 2011-10-04 08:57:39 +0200 | [diff] [blame] | 1347 | return -1; |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1348 | } else if (pid) { |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1349 | int ret = write_pid(pid, pidfile); |
| 1350 | |
| 1351 | exit(ret); |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1352 | } |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1353 | |
| 1354 | setsid(); |
Jens Axboe | 13755d9 | 2011-10-10 19:51:26 +0200 | [diff] [blame] | 1355 | openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); |
| 1356 | log_syslog = 1; |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1357 | close(STDIN_FILENO); |
| 1358 | close(STDOUT_FILENO); |
| 1359 | close(STDERR_FILENO); |
| 1360 | f_out = NULL; |
| 1361 | f_err = NULL; |
Jens Axboe | 402668f | 2011-10-10 15:28:58 +0200 | [diff] [blame] | 1362 | |
| 1363 | ret = fio_server(); |
| 1364 | |
| 1365 | closelog(); |
| 1366 | unlink(pidfile); |
| 1367 | free(pidfile); |
| 1368 | return ret; |
Jens Axboe | e46d809 | 2011-10-03 09:11:02 +0200 | [diff] [blame] | 1369 | } |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1370 | |
Jens Axboe | bebe639 | 2011-10-07 10:00:51 +0200 | [diff] [blame] | 1371 | void fio_server_set_arg(const char *arg) |
Jens Axboe | 87aa8f1 | 2011-10-06 21:24:13 +0200 | [diff] [blame] | 1372 | { |
| 1373 | fio_server_arg = strdup(arg); |
| 1374 | } |