Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 1 | /* |
Jens Axboe | da751ca | 2007-03-14 10:59:33 +0100 | [diff] [blame] | 2 | * net engine |
| 3 | * |
| 4 | * IO engine that reads/writes to/from sockets. |
| 5 | * |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 6 | */ |
| 7 | #include <stdio.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <unistd.h> |
| 10 | #include <errno.h> |
| 11 | #include <assert.h> |
| 12 | #include <netinet/in.h> |
| 13 | #include <arpa/inet.h> |
| 14 | #include <netdb.h> |
Jens Axboe | 5fdd124 | 2007-02-11 04:00:37 +0100 | [diff] [blame] | 15 | #include <sys/poll.h> |
Jens Axboe | 7292056 | 2008-06-02 12:30:06 +0200 | [diff] [blame] | 16 | #include <sys/types.h> |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 17 | #include <sys/stat.h> |
Jens Axboe | 7292056 | 2008-06-02 12:30:06 +0200 | [diff] [blame] | 18 | #include <sys/socket.h> |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 19 | #include <sys/un.h> |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 20 | |
| 21 | #include "../fio.h" |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 22 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 23 | struct netio_data { |
| 24 | int listenfd; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 25 | int use_splice; |
| 26 | int pipes[2]; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 27 | struct sockaddr_in addr; |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 28 | struct sockaddr_un addr_un; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 29 | }; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 30 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 31 | struct netio_options { |
| 32 | struct thread_data *td; |
| 33 | unsigned int port; |
| 34 | unsigned int proto; |
| 35 | unsigned int listen; |
| 36 | }; |
| 37 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 38 | struct udp_close_msg { |
| 39 | uint32_t magic; |
| 40 | uint32_t cmd; |
| 41 | }; |
| 42 | |
| 43 | enum { |
| 44 | FIO_LINK_CLOSE = 0x89, |
Jens Axboe | b96d243 | 2012-11-30 08:27:46 +0100 | [diff] [blame^] | 45 | FIO_LINK_OPEN_CLOSE_MAGIC = 0x6c696e6b, |
| 46 | FIO_LINK_OPEN = 0x98, |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 47 | |
| 48 | FIO_TYPE_TCP = 1, |
| 49 | FIO_TYPE_UDP = 2, |
| 50 | FIO_TYPE_UNIX = 3, |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 51 | }; |
| 52 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 53 | static int str_hostname_cb(void *data, const char *input); |
| 54 | static struct fio_option options[] = { |
| 55 | { |
| 56 | .name = "hostname", |
| 57 | .type = FIO_OPT_STR_STORE, |
| 58 | .cb = str_hostname_cb, |
| 59 | .help = "Hostname for net IO engine", |
| 60 | }, |
| 61 | { |
| 62 | .name = "port", |
| 63 | .type = FIO_OPT_INT, |
| 64 | .off1 = offsetof(struct netio_options, port), |
| 65 | .minval = 1, |
| 66 | .maxval = 65535, |
| 67 | .help = "Port to use for TCP or UDP net connections", |
| 68 | }, |
| 69 | { |
| 70 | .name = "protocol", |
| 71 | .alias = "proto", |
| 72 | .type = FIO_OPT_STR, |
| 73 | .off1 = offsetof(struct netio_options, proto), |
| 74 | .help = "Network protocol to use", |
| 75 | .def = "tcp", |
| 76 | .posval = { |
| 77 | { .ival = "tcp", |
| 78 | .oval = FIO_TYPE_TCP, |
| 79 | .help = "Transmission Control Protocol", |
| 80 | }, |
| 81 | { .ival = "udp", |
| 82 | .oval = FIO_TYPE_UDP, |
Bruce Cran | f5cc3d0 | 2012-10-10 08:17:44 -0600 | [diff] [blame] | 83 | .help = "User Datagram Protocol", |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 84 | }, |
| 85 | { .ival = "unix", |
| 86 | .oval = FIO_TYPE_UNIX, |
| 87 | .help = "UNIX domain socket", |
| 88 | }, |
| 89 | }, |
| 90 | }, |
| 91 | { |
| 92 | .name = "listen", |
| 93 | .type = FIO_OPT_STR_SET, |
| 94 | .off1 = offsetof(struct netio_options, listen), |
| 95 | .help = "Listen for incoming TCP connections", |
| 96 | }, |
| 97 | { |
| 98 | .name = NULL, |
| 99 | }, |
| 100 | }; |
| 101 | |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 102 | /* |
| 103 | * Return -1 for error and 'nr events' for a positive number |
| 104 | * of events |
| 105 | */ |
| 106 | static int poll_wait(struct thread_data *td, int fd, short events) |
| 107 | { |
| 108 | struct pollfd pfd; |
| 109 | int ret; |
| 110 | |
| 111 | while (!td->terminate) { |
| 112 | pfd.fd = fd; |
| 113 | pfd.events = events; |
| 114 | ret = poll(&pfd, 1, -1); |
| 115 | if (ret < 0) { |
| 116 | if (errno == EINTR) |
Jens Axboe | d5b388a | 2009-01-19 12:38:27 +0100 | [diff] [blame] | 117 | break; |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 118 | |
| 119 | td_verror(td, errno, "poll"); |
| 120 | return -1; |
| 121 | } else if (!ret) |
| 122 | continue; |
| 123 | |
| 124 | break; |
| 125 | } |
| 126 | |
| 127 | if (pfd.revents & events) |
| 128 | return 1; |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 129 | |
| 130 | return -1; |
| 131 | } |
| 132 | |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 133 | static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) |
| 134 | { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 135 | struct netio_options *o = td->eo; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 136 | |
Jens Axboe | 7a6499d | 2007-02-07 09:35:29 +0100 | [diff] [blame] | 137 | /* |
| 138 | * Make sure we don't see spurious reads to a receiver, and vice versa |
| 139 | */ |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 140 | if (o->proto == FIO_TYPE_TCP) |
| 141 | return 0; |
| 142 | |
| 143 | if ((o->listen && io_u->ddir == DDIR_WRITE) || |
| 144 | (!o->listen && io_u->ddir == DDIR_READ)) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 145 | td_verror(td, EINVAL, "bad direction"); |
Jens Axboe | 7a6499d | 2007-02-07 09:35:29 +0100 | [diff] [blame] | 146 | return 1; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 147 | } |
Bruce Cran | 3f457be | 2012-10-10 13:37:41 +0100 | [diff] [blame] | 148 | |
Jens Axboe | f85ac25 | 2008-03-01 18:09:49 +0100 | [diff] [blame] | 149 | return 0; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 150 | } |
| 151 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 152 | #ifdef FIO_HAVE_SPLICE |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 153 | static int splice_io_u(int fdin, int fdout, unsigned int len) |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 154 | { |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 155 | int bytes = 0; |
| 156 | |
| 157 | while (len) { |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 158 | int ret = splice(fdin, NULL, fdout, NULL, len, 0); |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 159 | |
| 160 | if (ret < 0) { |
| 161 | if (!bytes) |
| 162 | bytes = ret; |
| 163 | |
| 164 | break; |
| 165 | } else if (!ret) |
| 166 | break; |
| 167 | |
| 168 | bytes += ret; |
Jens Axboe | f657a2f | 2007-06-22 20:40:10 +0200 | [diff] [blame] | 169 | len -= ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | return bytes; |
| 173 | } |
| 174 | |
| 175 | /* |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 176 | * Receive bytes from a socket and fill them into the internal pipe |
| 177 | */ |
| 178 | static int splice_in(struct thread_data *td, struct io_u *io_u) |
| 179 | { |
| 180 | struct netio_data *nd = td->io_ops->data; |
| 181 | |
| 182 | return splice_io_u(io_u->file->fd, nd->pipes[1], io_u->xfer_buflen); |
| 183 | } |
| 184 | |
| 185 | /* |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 186 | * Transmit 'len' bytes from the internal pipe |
| 187 | */ |
| 188 | static int splice_out(struct thread_data *td, struct io_u *io_u, |
| 189 | unsigned int len) |
| 190 | { |
| 191 | struct netio_data *nd = td->io_ops->data; |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 192 | |
| 193 | return splice_io_u(nd->pipes[0], io_u->file->fd, len); |
| 194 | } |
| 195 | |
| 196 | static int vmsplice_io_u(struct io_u *io_u, int fd, unsigned int len) |
| 197 | { |
| 198 | struct iovec iov = { |
| 199 | .iov_base = io_u->xfer_buf, |
| 200 | .iov_len = len, |
| 201 | }; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 202 | int bytes = 0; |
| 203 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 204 | while (iov.iov_len) { |
| 205 | int ret = vmsplice(fd, &iov, 1, SPLICE_F_MOVE); |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 206 | |
| 207 | if (ret < 0) { |
| 208 | if (!bytes) |
| 209 | bytes = ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 210 | break; |
| 211 | } else if (!ret) |
| 212 | break; |
| 213 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 214 | iov.iov_len -= ret; |
| 215 | iov.iov_base += ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 216 | bytes += ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 217 | } |
| 218 | |
| 219 | return bytes; |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 220 | |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 221 | } |
| 222 | |
| 223 | /* |
| 224 | * vmsplice() pipe to io_u buffer |
| 225 | */ |
| 226 | static int vmsplice_io_u_out(struct thread_data *td, struct io_u *io_u, |
| 227 | unsigned int len) |
| 228 | { |
| 229 | struct netio_data *nd = td->io_ops->data; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 230 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 231 | return vmsplice_io_u(io_u, nd->pipes[0], len); |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 232 | } |
| 233 | |
| 234 | /* |
| 235 | * vmsplice() io_u to pipe |
| 236 | */ |
| 237 | static int vmsplice_io_u_in(struct thread_data *td, struct io_u *io_u) |
| 238 | { |
| 239 | struct netio_data *nd = td->io_ops->data; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 240 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 241 | return vmsplice_io_u(io_u, nd->pipes[1], io_u->xfer_buflen); |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 242 | } |
| 243 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 244 | /* |
| 245 | * splice receive - transfer socket data into a pipe using splice, then map |
| 246 | * that pipe data into the io_u using vmsplice. |
| 247 | */ |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 248 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) |
| 249 | { |
| 250 | int ret; |
| 251 | |
| 252 | ret = splice_in(td, io_u); |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 253 | if (ret > 0) |
| 254 | return vmsplice_io_u_out(td, io_u, ret); |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 255 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 256 | return ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 257 | } |
| 258 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 259 | /* |
| 260 | * splice transmit - map data from the io_u into a pipe by using vmsplice, |
| 261 | * then transfer that pipe to a socket using splice. |
| 262 | */ |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 263 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) |
| 264 | { |
| 265 | int ret; |
| 266 | |
| 267 | ret = vmsplice_io_u_in(td, io_u); |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 268 | if (ret > 0) |
| 269 | return splice_out(td, io_u, ret); |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 270 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 271 | return ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 272 | } |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 273 | #else |
| 274 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) |
| 275 | { |
Jens Axboe | af8771b | 2008-05-30 22:58:28 +0200 | [diff] [blame] | 276 | errno = EOPNOTSUPP; |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 277 | return -1; |
| 278 | } |
| 279 | |
| 280 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) |
| 281 | { |
Jens Axboe | af8771b | 2008-05-30 22:58:28 +0200 | [diff] [blame] | 282 | errno = EOPNOTSUPP; |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 283 | return -1; |
| 284 | } |
| 285 | #endif |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 286 | |
| 287 | static int fio_netio_send(struct thread_data *td, struct io_u *io_u) |
| 288 | { |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 289 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 290 | struct netio_options *o = td->eo; |
Jens Axboe | 8e239ca | 2010-08-11 10:29:12 -0400 | [diff] [blame] | 291 | int ret, flags = OS_MSG_DONTWAIT; |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 292 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 293 | do { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 294 | if (o->proto == FIO_TYPE_UDP) { |
Jens Axboe | 62b3892 | 2009-05-11 10:37:33 +0200 | [diff] [blame] | 295 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
| 296 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 297 | ret = sendto(io_u->file->fd, io_u->xfer_buf, |
Jens Axboe | 62b3892 | 2009-05-11 10:37:33 +0200 | [diff] [blame] | 298 | io_u->xfer_buflen, flags, to, |
| 299 | sizeof(*to)); |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 300 | } else { |
| 301 | /* |
| 302 | * if we are going to write more, set MSG_MORE |
| 303 | */ |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 304 | #ifdef MSG_MORE |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 305 | if (td->this_io_bytes[DDIR_WRITE] + io_u->xfer_buflen < |
| 306 | td->o.size) |
| 307 | flags |= MSG_MORE; |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 308 | #endif |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 309 | ret = send(io_u->file->fd, io_u->xfer_buf, |
| 310 | io_u->xfer_buflen, flags); |
| 311 | } |
| 312 | if (ret > 0) |
| 313 | break; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 314 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 315 | ret = poll_wait(td, io_u->file->fd, POLLOUT); |
| 316 | if (ret <= 0) |
| 317 | break; |
| 318 | |
Jens Axboe | 8e239ca | 2010-08-11 10:29:12 -0400 | [diff] [blame] | 319 | flags &= ~OS_MSG_DONTWAIT; |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 320 | } while (1); |
| 321 | |
| 322 | return ret; |
| 323 | } |
| 324 | |
| 325 | static int is_udp_close(struct io_u *io_u, int len) |
| 326 | { |
| 327 | struct udp_close_msg *msg; |
| 328 | |
| 329 | if (len != sizeof(struct udp_close_msg)) |
| 330 | return 0; |
| 331 | |
| 332 | msg = io_u->xfer_buf; |
Jens Axboe | b96d243 | 2012-11-30 08:27:46 +0100 | [diff] [blame^] | 333 | if (ntohl(msg->magic) != FIO_LINK_OPEN_CLOSE_MAGIC) |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 334 | return 0; |
| 335 | if (ntohl(msg->cmd) != FIO_LINK_CLOSE) |
| 336 | return 0; |
| 337 | |
| 338 | return 1; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 339 | } |
| 340 | |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 341 | static int fio_netio_recv(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 342 | { |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 343 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 344 | struct netio_options *o = td->eo; |
Jens Axboe | 8e239ca | 2010-08-11 10:29:12 -0400 | [diff] [blame] | 345 | int ret, flags = OS_MSG_DONTWAIT; |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 346 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 347 | do { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 348 | if (o->proto == FIO_TYPE_UDP) { |
Jens Axboe | 5ba13ea | 2011-10-04 23:50:28 +0200 | [diff] [blame] | 349 | fio_socklen_t len = sizeof(nd->addr); |
Jens Axboe | 62b3892 | 2009-05-11 10:37:33 +0200 | [diff] [blame] | 350 | struct sockaddr *from = (struct sockaddr *) &nd->addr; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 351 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 352 | ret = recvfrom(io_u->file->fd, io_u->xfer_buf, |
Jens Axboe | 62b3892 | 2009-05-11 10:37:33 +0200 | [diff] [blame] | 353 | io_u->xfer_buflen, flags, from, &len); |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 354 | if (is_udp_close(io_u, ret)) { |
| 355 | td->done = 1; |
| 356 | return 0; |
| 357 | } |
| 358 | } else { |
| 359 | ret = recv(io_u->file->fd, io_u->xfer_buf, |
| 360 | io_u->xfer_buflen, flags); |
| 361 | } |
| 362 | if (ret > 0) |
| 363 | break; |
Jens Axboe | 7d988f6 | 2012-11-29 19:57:35 +0100 | [diff] [blame] | 364 | else if (!ret && (flags & MSG_WAITALL)) |
| 365 | break; |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 366 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 367 | ret = poll_wait(td, io_u->file->fd, POLLIN); |
| 368 | if (ret <= 0) |
| 369 | break; |
Jens Axboe | 8e239ca | 2010-08-11 10:29:12 -0400 | [diff] [blame] | 370 | flags &= ~OS_MSG_DONTWAIT; |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 371 | flags |= MSG_WAITALL; |
| 372 | } while (1); |
| 373 | |
| 374 | return ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 375 | } |
| 376 | |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 377 | static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) |
| 378 | { |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 379 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 380 | struct netio_options *o = td->eo; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 381 | int ret; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 382 | |
Jens Axboe | 7101d9c | 2007-09-12 13:12:39 +0200 | [diff] [blame] | 383 | fio_ro_check(td, io_u); |
| 384 | |
Jens Axboe | 7a6499d | 2007-02-07 09:35:29 +0100 | [diff] [blame] | 385 | if (io_u->ddir == DDIR_WRITE) { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 386 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
| 387 | o->proto == FIO_TYPE_UNIX) |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 388 | ret = fio_netio_send(td, io_u); |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 389 | else |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 390 | ret = fio_netio_splice_out(td, io_u); |
| 391 | } else if (io_u->ddir == DDIR_READ) { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 392 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
| 393 | o->proto == FIO_TYPE_UNIX) |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 394 | ret = fio_netio_recv(td, io_u); |
| 395 | else |
| 396 | ret = fio_netio_splice_in(td, io_u); |
Jens Axboe | d4f12dd | 2007-02-08 12:59:02 +0100 | [diff] [blame] | 397 | } else |
Jens Axboe | 7a6499d | 2007-02-07 09:35:29 +0100 | [diff] [blame] | 398 | ret = 0; /* must be a SYNC */ |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 399 | |
Jens Axboe | cec6b55 | 2007-02-06 20:15:38 +0100 | [diff] [blame] | 400 | if (ret != (int) io_u->xfer_buflen) { |
Jens Axboe | 22819ec | 2007-02-18 07:47:14 +0100 | [diff] [blame] | 401 | if (ret >= 0) { |
Jens Axboe | cec6b55 | 2007-02-06 20:15:38 +0100 | [diff] [blame] | 402 | io_u->resid = io_u->xfer_buflen - ret; |
| 403 | io_u->error = 0; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 404 | return FIO_Q_COMPLETED; |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 405 | } else { |
| 406 | int err = errno; |
| 407 | |
| 408 | if (io_u->ddir == DDIR_WRITE && err == EMSGSIZE) |
| 409 | return FIO_Q_BUSY; |
| 410 | |
| 411 | io_u->error = err; |
| 412 | } |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 413 | } |
| 414 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 415 | if (io_u->error) |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 416 | td_verror(td, io_u->error, "xfer"); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 417 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 418 | return FIO_Q_COMPLETED; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 419 | } |
| 420 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 421 | static int fio_netio_connect(struct thread_data *td, struct fio_file *f) |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 422 | { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 423 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 424 | struct netio_options *o = td->eo; |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 425 | int type, domain; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 426 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 427 | if (o->proto == FIO_TYPE_TCP) { |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 428 | domain = AF_INET; |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 429 | type = SOCK_STREAM; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 430 | } else if (o->proto == FIO_TYPE_UDP) { |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 431 | domain = AF_INET; |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 432 | type = SOCK_DGRAM; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 433 | } else if (o->proto == FIO_TYPE_UNIX) { |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 434 | domain = AF_UNIX; |
| 435 | type = SOCK_STREAM; |
| 436 | } else { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 437 | log_err("fio: bad network type %d\n", o->proto); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 438 | f->fd = -1; |
| 439 | return 1; |
| 440 | } |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 441 | |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 442 | f->fd = socket(domain, type, 0); |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 443 | if (f->fd < 0) { |
| 444 | td_verror(td, errno, "socket"); |
| 445 | return 1; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 446 | } |
| 447 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 448 | if (o->proto == FIO_TYPE_UDP) |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 449 | return 0; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 450 | else if (o->proto == FIO_TYPE_TCP) { |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 451 | fio_socklen_t len = sizeof(nd->addr); |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 452 | |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 453 | if (connect(f->fd, (struct sockaddr *) &nd->addr, len) < 0) { |
| 454 | td_verror(td, errno, "connect"); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 455 | close(f->fd); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 456 | return 1; |
| 457 | } |
| 458 | } else { |
| 459 | struct sockaddr_un *addr = &nd->addr_un; |
| 460 | fio_socklen_t len; |
| 461 | |
| 462 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; |
| 463 | |
| 464 | if (connect(f->fd, (struct sockaddr *) addr, len) < 0) { |
| 465 | td_verror(td, errno, "connect"); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 466 | close(f->fd); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 467 | return 1; |
| 468 | } |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 469 | } |
| 470 | |
| 471 | return 0; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 472 | } |
| 473 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 474 | static int fio_netio_accept(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 5fdd124 | 2007-02-11 04:00:37 +0100 | [diff] [blame] | 475 | { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 476 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 477 | struct netio_options *o = td->eo; |
Jens Axboe | 5ba13ea | 2011-10-04 23:50:28 +0200 | [diff] [blame] | 478 | fio_socklen_t socklen = sizeof(nd->addr); |
Jens Axboe | 859088d | 2012-11-29 20:02:50 +0100 | [diff] [blame] | 479 | int state; |
Jens Axboe | 5fdd124 | 2007-02-11 04:00:37 +0100 | [diff] [blame] | 480 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 481 | if (o->proto == FIO_TYPE_UDP) { |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 482 | f->fd = nd->listenfd; |
| 483 | return 0; |
| 484 | } |
| 485 | |
Jens Axboe | 859088d | 2012-11-29 20:02:50 +0100 | [diff] [blame] | 486 | state = td->runstate; |
| 487 | td_set_runstate(td, TD_SETTING_UP); |
| 488 | |
Jens Axboe | 6d86144 | 2007-03-15 09:22:23 +0100 | [diff] [blame] | 489 | log_info("fio: waiting for connection\n"); |
Jens Axboe | 5fdd124 | 2007-02-11 04:00:37 +0100 | [diff] [blame] | 490 | |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 491 | if (poll_wait(td, nd->listenfd, POLLIN) < 0) |
Jens Axboe | 859088d | 2012-11-29 20:02:50 +0100 | [diff] [blame] | 492 | goto err; |
Jens Axboe | 5fdd124 | 2007-02-11 04:00:37 +0100 | [diff] [blame] | 493 | |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 494 | f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); |
| 495 | if (f->fd < 0) { |
| 496 | td_verror(td, errno, "accept"); |
Jens Axboe | 859088d | 2012-11-29 20:02:50 +0100 | [diff] [blame] | 497 | goto err; |
Jens Axboe | 5fdd124 | 2007-02-11 04:00:37 +0100 | [diff] [blame] | 498 | } |
| 499 | |
Jens Axboe | 859088d | 2012-11-29 20:02:50 +0100 | [diff] [blame] | 500 | td_set_runstate(td, state); |
Jens Axboe | 5fdd124 | 2007-02-11 04:00:37 +0100 | [diff] [blame] | 501 | return 0; |
Jens Axboe | 859088d | 2012-11-29 20:02:50 +0100 | [diff] [blame] | 502 | err: |
| 503 | td_set_runstate(td, state); |
| 504 | return 1; |
Jens Axboe | 5fdd124 | 2007-02-11 04:00:37 +0100 | [diff] [blame] | 505 | } |
| 506 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 507 | static void fio_netio_udp_close(struct thread_data *td, struct fio_file *f) |
| 508 | { |
| 509 | struct netio_data *nd = td->io_ops->data; |
| 510 | struct udp_close_msg msg; |
Jens Axboe | 62b3892 | 2009-05-11 10:37:33 +0200 | [diff] [blame] | 511 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 512 | int ret; |
| 513 | |
Jens Axboe | b96d243 | 2012-11-30 08:27:46 +0100 | [diff] [blame^] | 514 | msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC); |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 515 | msg.cmd = htonl(FIO_LINK_CLOSE); |
| 516 | |
Jens Axboe | 62b3892 | 2009-05-11 10:37:33 +0200 | [diff] [blame] | 517 | ret = sendto(f->fd, &msg, sizeof(msg), MSG_WAITALL, to, |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 518 | sizeof(nd->addr)); |
| 519 | if (ret < 0) |
| 520 | td_verror(td, errno, "sendto udp link close"); |
| 521 | } |
| 522 | |
| 523 | static int fio_netio_close_file(struct thread_data *td, struct fio_file *f) |
| 524 | { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 525 | struct netio_options *o = td->eo; |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 526 | |
| 527 | /* |
| 528 | * If this is an UDP connection, notify the receiver that we are |
| 529 | * closing down the link |
| 530 | */ |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 531 | if (o->proto == FIO_TYPE_UDP) |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 532 | fio_netio_udp_close(td, f); |
| 533 | |
| 534 | return generic_close_file(td, f); |
| 535 | } |
| 536 | |
Jens Axboe | b96d243 | 2012-11-30 08:27:46 +0100 | [diff] [blame^] | 537 | static int fio_netio_udp_recv_open(struct thread_data *td, struct fio_file *f) |
| 538 | { |
| 539 | struct netio_data *nd = td->io_ops->data; |
| 540 | struct udp_close_msg msg; |
| 541 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
| 542 | fio_socklen_t len = sizeof(nd->addr); |
| 543 | int ret; |
| 544 | |
| 545 | ret = recvfrom(f->fd, &msg, sizeof(msg), MSG_WAITALL, to, &len); |
| 546 | if (ret < 0) { |
| 547 | td_verror(td, errno, "sendto udp link open"); |
| 548 | return ret; |
| 549 | } |
| 550 | |
| 551 | if (ntohl(msg.magic) != FIO_LINK_OPEN_CLOSE_MAGIC || |
| 552 | ntohl(msg.cmd) != FIO_LINK_OPEN) { |
| 553 | log_err("fio: bad udp open magic %x/%x\n", ntohl(msg.magic), |
| 554 | ntohl(msg.cmd)); |
| 555 | return -1; |
| 556 | } |
| 557 | |
| 558 | return 0; |
| 559 | } |
| 560 | |
| 561 | static int fio_netio_udp_send_open(struct thread_data *td, struct fio_file *f) |
| 562 | { |
| 563 | struct netio_data *nd = td->io_ops->data; |
| 564 | struct udp_close_msg msg; |
| 565 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
| 566 | int ret; |
| 567 | |
| 568 | msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC); |
| 569 | msg.cmd = htonl(FIO_LINK_OPEN); |
| 570 | |
| 571 | ret = sendto(f->fd, &msg, sizeof(msg), MSG_WAITALL, to, |
| 572 | sizeof(nd->addr)); |
| 573 | if (ret < 0) { |
| 574 | td_verror(td, errno, "sendto udp link open"); |
| 575 | return ret; |
| 576 | } |
| 577 | |
| 578 | return 0; |
| 579 | } |
| 580 | |
| 581 | static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) |
| 582 | { |
| 583 | int ret; |
| 584 | struct netio_options *o = td->eo; |
| 585 | |
| 586 | if (o->listen) |
| 587 | ret = fio_netio_accept(td, f); |
| 588 | else |
| 589 | ret = fio_netio_connect(td, f); |
| 590 | |
| 591 | if (ret) { |
| 592 | f->fd = -1; |
| 593 | return ret; |
| 594 | } |
| 595 | |
| 596 | if (o->proto == FIO_TYPE_UDP) { |
| 597 | if (td_write(td)) |
| 598 | ret = fio_netio_udp_send_open(td, f); |
| 599 | else { |
| 600 | int state; |
| 601 | |
| 602 | state = td->runstate; |
| 603 | td_set_runstate(td, TD_SETTING_UP); |
| 604 | ret = fio_netio_udp_recv_open(td, f); |
| 605 | td_set_runstate(td, state); |
| 606 | } |
| 607 | } |
| 608 | |
| 609 | if (ret) |
| 610 | fio_netio_close_file(td, f); |
| 611 | |
| 612 | return ret; |
| 613 | } |
| 614 | |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 615 | static int fio_netio_setup_connect_inet(struct thread_data *td, |
| 616 | const char *host, unsigned short port) |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 617 | { |
| 618 | struct netio_data *nd = td->io_ops->data; |
| 619 | |
Jens Axboe | 166dce4 | 2012-11-29 14:35:33 +0100 | [diff] [blame] | 620 | if (!host) { |
| 621 | log_err("fio: connect with no host to connect to.\n"); |
| 622 | if (td_read(td)) |
| 623 | log_err("fio: did you forget to set 'listen'?\n"); |
| 624 | |
| 625 | td_verror(td, EINVAL, "no hostname= set"); |
| 626 | return 1; |
| 627 | } |
| 628 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 629 | nd->addr.sin_family = AF_INET; |
| 630 | nd->addr.sin_port = htons(port); |
| 631 | |
| 632 | if (inet_aton(host, &nd->addr.sin_addr) != 1) { |
| 633 | struct hostent *hent; |
| 634 | |
| 635 | hent = gethostbyname(host); |
| 636 | if (!hent) { |
| 637 | td_verror(td, errno, "gethostbyname"); |
| 638 | return 1; |
| 639 | } |
| 640 | |
| 641 | memcpy(&nd->addr.sin_addr, hent->h_addr, 4); |
| 642 | } |
| 643 | |
| 644 | return 0; |
| 645 | } |
| 646 | |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 647 | static int fio_netio_setup_connect_unix(struct thread_data *td, |
| 648 | const char *path) |
| 649 | { |
| 650 | struct netio_data *nd = td->io_ops->data; |
| 651 | struct sockaddr_un *soun = &nd->addr_un; |
| 652 | |
| 653 | soun->sun_family = AF_UNIX; |
| 654 | strcpy(soun->sun_path, path); |
| 655 | return 0; |
| 656 | } |
| 657 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 658 | static int fio_netio_setup_connect(struct thread_data *td) |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 659 | { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 660 | struct netio_options *o = td->eo; |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 661 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 662 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
| 663 | return fio_netio_setup_connect_inet(td, td->o.filename,o->port); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 664 | else |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 665 | return fio_netio_setup_connect_unix(td, td->o.filename); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 666 | } |
| 667 | |
| 668 | static int fio_netio_setup_listen_unix(struct thread_data *td, const char *path) |
| 669 | { |
| 670 | struct netio_data *nd = td->io_ops->data; |
| 671 | struct sockaddr_un *addr = &nd->addr_un; |
| 672 | mode_t mode; |
| 673 | int len, fd; |
| 674 | |
| 675 | fd = socket(AF_UNIX, SOCK_STREAM, 0); |
| 676 | if (fd < 0) { |
| 677 | log_err("fio: socket: %s\n", strerror(errno)); |
| 678 | return -1; |
| 679 | } |
| 680 | |
| 681 | mode = umask(000); |
| 682 | |
| 683 | memset(addr, 0, sizeof(*addr)); |
| 684 | addr->sun_family = AF_UNIX; |
| 685 | strcpy(addr->sun_path, path); |
| 686 | unlink(path); |
| 687 | |
| 688 | len = sizeof(addr->sun_family) + strlen(path) + 1; |
| 689 | |
| 690 | if (bind(fd, (struct sockaddr *) addr, len) < 0) { |
| 691 | log_err("fio: bind: %s\n", strerror(errno)); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 692 | close(fd); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 693 | return -1; |
| 694 | } |
| 695 | |
| 696 | umask(mode); |
| 697 | nd->listenfd = fd; |
| 698 | return 0; |
| 699 | } |
| 700 | |
| 701 | static int fio_netio_setup_listen_inet(struct thread_data *td, short port) |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 702 | { |
| 703 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 704 | struct netio_options *o = td->eo; |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 705 | int fd, opt, type; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 706 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 707 | if (o->proto == FIO_TYPE_TCP) |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 708 | type = SOCK_STREAM; |
| 709 | else |
| 710 | type = SOCK_DGRAM; |
| 711 | |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 712 | fd = socket(AF_INET, type, 0); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 713 | if (fd < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 714 | td_verror(td, errno, "socket"); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 715 | return 1; |
| 716 | } |
| 717 | |
| 718 | opt = 1; |
| 719 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 720 | td_verror(td, errno, "setsockopt"); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 721 | return 1; |
| 722 | } |
Jens Axboe | 6bedbfa | 2007-02-07 09:54:40 +0100 | [diff] [blame] | 723 | #ifdef SO_REUSEPORT |
| 724 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 725 | td_verror(td, errno, "setsockopt"); |
Jens Axboe | 6bedbfa | 2007-02-07 09:54:40 +0100 | [diff] [blame] | 726 | return 1; |
| 727 | } |
| 728 | #endif |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 729 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 730 | nd->addr.sin_family = AF_INET; |
| 731 | nd->addr.sin_addr.s_addr = htonl(INADDR_ANY); |
| 732 | nd->addr.sin_port = htons(port); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 733 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 734 | if (bind(fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 735 | td_verror(td, errno, "bind"); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 736 | return 1; |
| 737 | } |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 738 | |
| 739 | nd->listenfd = fd; |
| 740 | return 0; |
| 741 | } |
| 742 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 743 | static int fio_netio_setup_listen(struct thread_data *td) |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 744 | { |
| 745 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 746 | struct netio_options *o = td->eo; |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 747 | int ret; |
| 748 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 749 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
| 750 | ret = fio_netio_setup_listen_inet(td, o->port); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 751 | else |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 752 | ret = fio_netio_setup_listen_unix(td, td->o.filename); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 753 | |
| 754 | if (ret) |
| 755 | return ret; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 756 | if (o->proto == FIO_TYPE_UDP) |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 757 | return 0; |
| 758 | |
| 759 | if (listen(nd->listenfd, 10) < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 760 | td_verror(td, errno, "listen"); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 761 | nd->listenfd = -1; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 762 | return 1; |
| 763 | } |
| 764 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 765 | return 0; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 766 | } |
| 767 | |
Jens Axboe | 9bec88e | 2007-03-02 08:55:48 +0100 | [diff] [blame] | 768 | static int fio_netio_init(struct thread_data *td) |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 769 | { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 770 | struct netio_options *o = td->eo; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 771 | int ret; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 772 | |
Bruce Cran | 3f457be | 2012-10-10 13:37:41 +0100 | [diff] [blame] | 773 | #ifdef WIN32 |
| 774 | WSADATA wsd; |
| 775 | WSAStartup(MAKEWORD(2,2), &wsd); |
| 776 | #endif |
| 777 | |
Jens Axboe | 16d55aa | 2007-05-22 09:21:37 +0200 | [diff] [blame] | 778 | if (td_random(td)) { |
| 779 | log_err("fio: network IO can't be random\n"); |
| 780 | return 1; |
| 781 | } |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 782 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 783 | if (o->proto == FIO_TYPE_UNIX && o->port) { |
| 784 | log_err("fio: network IO port not valid with unix socket\n"); |
| 785 | return 1; |
| 786 | } else if (o->proto != FIO_TYPE_UNIX && !o->port) { |
| 787 | log_err("fio: network IO requires port for tcp or udp\n"); |
| 788 | return 1; |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 789 | } |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 790 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 791 | if (o->proto != FIO_TYPE_TCP) { |
| 792 | if (o->listen) { |
Jens Axboe | 9b98606 | 2011-12-19 08:57:18 +0100 | [diff] [blame] | 793 | log_err("fio: listen only valid for TCP proto IO\n"); |
| 794 | return 1; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 795 | } |
| 796 | if (td_rw(td)) { |
Jens Axboe | 9b98606 | 2011-12-19 08:57:18 +0100 | [diff] [blame] | 797 | log_err("fio: datagram network connections must be" |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 798 | " read OR write\n"); |
Jens Axboe | 9b98606 | 2011-12-19 08:57:18 +0100 | [diff] [blame] | 799 | return 1; |
| 800 | } |
| 801 | if (o->proto == FIO_TYPE_UNIX && !td->o.filename) { |
| 802 | log_err("fio: UNIX sockets need host/filename\n"); |
| 803 | return 1; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 804 | } |
| 805 | o->listen = td_read(td); |
| 806 | } |
| 807 | |
| 808 | if (o->proto != FIO_TYPE_UNIX && o->listen && td->o.filename) { |
| 809 | log_err("fio: hostname not valid for inbound network IO\n"); |
| 810 | return 1; |
| 811 | } |
| 812 | |
| 813 | if (o->listen) |
| 814 | ret = fio_netio_setup_listen(td); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 815 | else |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 816 | ret = fio_netio_setup_connect(td); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 817 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 818 | return ret; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 819 | } |
| 820 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 821 | static void fio_netio_cleanup(struct thread_data *td) |
Jens Axboe | 9bec88e | 2007-03-02 08:55:48 +0100 | [diff] [blame] | 822 | { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 823 | struct netio_data *nd = td->io_ops->data; |
| 824 | |
| 825 | if (nd) { |
Jens Axboe | 64b24cd | 2007-06-24 21:28:39 +0200 | [diff] [blame] | 826 | if (nd->listenfd != -1) |
| 827 | close(nd->listenfd); |
| 828 | if (nd->pipes[0] != -1) |
| 829 | close(nd->pipes[0]); |
| 830 | if (nd->pipes[1] != -1) |
| 831 | close(nd->pipes[1]); |
| 832 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 833 | free(nd); |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 834 | } |
| 835 | } |
| 836 | |
| 837 | static int fio_netio_setup(struct thread_data *td) |
| 838 | { |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 839 | struct netio_data *nd; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 840 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 841 | if (!td->files_index) { |
| 842 | add_file(td, td->o.filename ?: "net"); |
| 843 | td->o.nr_files = td->o.nr_files ?: 1; |
| 844 | } |
| 845 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 846 | if (!td->io_ops->data) { |
| 847 | nd = malloc(sizeof(*nd));; |
| 848 | |
| 849 | memset(nd, 0, sizeof(*nd)); |
| 850 | nd->listenfd = -1; |
Jens Axboe | 64b24cd | 2007-06-24 21:28:39 +0200 | [diff] [blame] | 851 | nd->pipes[0] = nd->pipes[1] = -1; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 852 | td->io_ops->data = nd; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 853 | } |
| 854 | |
Jens Axboe | 9bec88e | 2007-03-02 08:55:48 +0100 | [diff] [blame] | 855 | return 0; |
| 856 | } |
| 857 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 858 | #ifdef FIO_HAVE_SPLICE |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 859 | static int fio_netio_setup_splice(struct thread_data *td) |
| 860 | { |
| 861 | struct netio_data *nd; |
| 862 | |
| 863 | fio_netio_setup(td); |
| 864 | |
| 865 | nd = td->io_ops->data; |
| 866 | if (nd) { |
| 867 | if (pipe(nd->pipes) < 0) |
| 868 | return 1; |
| 869 | |
| 870 | nd->use_splice = 1; |
| 871 | return 0; |
| 872 | } |
| 873 | |
| 874 | return 1; |
| 875 | } |
| 876 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 877 | static struct ioengine_ops ioengine_splice = { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 878 | .name = "netsplice", |
| 879 | .version = FIO_IOOPS_VERSION, |
| 880 | .prep = fio_netio_prep, |
| 881 | .queue = fio_netio_queue, |
| 882 | .setup = fio_netio_setup_splice, |
| 883 | .init = fio_netio_init, |
| 884 | .cleanup = fio_netio_cleanup, |
| 885 | .open_file = fio_netio_open_file, |
| 886 | .close_file = generic_close_file, |
| 887 | .options = options, |
| 888 | .option_struct_size = sizeof(struct netio_options), |
| 889 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | |
| 890 | FIO_SIGTERM | FIO_PIPEIO, |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 891 | }; |
| 892 | #endif |
| 893 | |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 894 | static struct ioengine_ops ioengine_rw = { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 895 | .name = "net", |
| 896 | .version = FIO_IOOPS_VERSION, |
| 897 | .prep = fio_netio_prep, |
| 898 | .queue = fio_netio_queue, |
| 899 | .setup = fio_netio_setup, |
| 900 | .init = fio_netio_init, |
| 901 | .cleanup = fio_netio_cleanup, |
| 902 | .open_file = fio_netio_open_file, |
| 903 | .close_file = fio_netio_close_file, |
| 904 | .options = options, |
| 905 | .option_struct_size = sizeof(struct netio_options), |
| 906 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | |
| 907 | FIO_SIGTERM | FIO_PIPEIO, |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 908 | }; |
| 909 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 910 | static int str_hostname_cb(void *data, const char *input) |
| 911 | { |
| 912 | struct netio_options *o = data; |
| 913 | |
| 914 | if (o->td->o.filename) |
| 915 | free(o->td->o.filename); |
| 916 | o->td->o.filename = strdup(input); |
| 917 | return 0; |
| 918 | } |
| 919 | |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 920 | static void fio_init fio_netio_register(void) |
| 921 | { |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 922 | register_ioengine(&ioengine_rw); |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 923 | #ifdef FIO_HAVE_SPLICE |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 924 | register_ioengine(&ioengine_splice); |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 925 | #endif |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 926 | } |
| 927 | |
| 928 | static void fio_exit fio_netio_unregister(void) |
| 929 | { |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 930 | unregister_ioengine(&ioengine_rw); |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 931 | #ifdef FIO_HAVE_SPLICE |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 932 | unregister_ioengine(&ioengine_splice); |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 933 | #endif |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 934 | } |