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, |
| 45 | FIO_LINK_CLOSE_MAGIC = 0x6c696e6b, |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 46 | |
| 47 | FIO_TYPE_TCP = 1, |
| 48 | FIO_TYPE_UDP = 2, |
| 49 | FIO_TYPE_UNIX = 3, |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 50 | }; |
| 51 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 52 | static int str_hostname_cb(void *data, const char *input); |
| 53 | static struct fio_option options[] = { |
| 54 | { |
| 55 | .name = "hostname", |
Jens Axboe | e8b0e95 | 2012-03-19 14:37:08 +0100 | [diff] [blame^] | 56 | .lname = "net engine hostname", |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 57 | .type = FIO_OPT_STR_STORE, |
| 58 | .cb = str_hostname_cb, |
| 59 | .help = "Hostname for net IO engine", |
Jens Axboe | e8b0e95 | 2012-03-19 14:37:08 +0100 | [diff] [blame^] | 60 | .category = FIO_OPT_C_IO, |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 61 | }, |
| 62 | { |
| 63 | .name = "port", |
Jens Axboe | e8b0e95 | 2012-03-19 14:37:08 +0100 | [diff] [blame^] | 64 | .lname = "net engine port", |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 65 | .type = FIO_OPT_INT, |
| 66 | .off1 = offsetof(struct netio_options, port), |
| 67 | .minval = 1, |
| 68 | .maxval = 65535, |
| 69 | .help = "Port to use for TCP or UDP net connections", |
Jens Axboe | e8b0e95 | 2012-03-19 14:37:08 +0100 | [diff] [blame^] | 70 | .category = FIO_OPT_C_IO, |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 71 | }, |
| 72 | { |
| 73 | .name = "protocol", |
Jens Axboe | e8b0e95 | 2012-03-19 14:37:08 +0100 | [diff] [blame^] | 74 | .lname = "net engine protocol", |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 75 | .alias = "proto", |
| 76 | .type = FIO_OPT_STR, |
| 77 | .off1 = offsetof(struct netio_options, proto), |
| 78 | .help = "Network protocol to use", |
| 79 | .def = "tcp", |
Jens Axboe | e8b0e95 | 2012-03-19 14:37:08 +0100 | [diff] [blame^] | 80 | .category = FIO_OPT_C_IO, |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 81 | .posval = { |
| 82 | { .ival = "tcp", |
| 83 | .oval = FIO_TYPE_TCP, |
| 84 | .help = "Transmission Control Protocol", |
| 85 | }, |
| 86 | { .ival = "udp", |
| 87 | .oval = FIO_TYPE_UDP, |
| 88 | .help = "Unreliable Datagram Protocol", |
| 89 | }, |
| 90 | { .ival = "unix", |
| 91 | .oval = FIO_TYPE_UNIX, |
| 92 | .help = "UNIX domain socket", |
| 93 | }, |
| 94 | }, |
| 95 | }, |
| 96 | { |
| 97 | .name = "listen", |
Jens Axboe | e8b0e95 | 2012-03-19 14:37:08 +0100 | [diff] [blame^] | 98 | .lname = "net engine listen", |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 99 | .type = FIO_OPT_STR_SET, |
| 100 | .off1 = offsetof(struct netio_options, listen), |
| 101 | .help = "Listen for incoming TCP connections", |
Jens Axboe | e8b0e95 | 2012-03-19 14:37:08 +0100 | [diff] [blame^] | 102 | .category = FIO_OPT_C_IO, |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 103 | }, |
| 104 | { |
| 105 | .name = NULL, |
| 106 | }, |
| 107 | }; |
| 108 | |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 109 | /* |
| 110 | * Return -1 for error and 'nr events' for a positive number |
| 111 | * of events |
| 112 | */ |
| 113 | static int poll_wait(struct thread_data *td, int fd, short events) |
| 114 | { |
| 115 | struct pollfd pfd; |
| 116 | int ret; |
| 117 | |
| 118 | while (!td->terminate) { |
| 119 | pfd.fd = fd; |
| 120 | pfd.events = events; |
| 121 | ret = poll(&pfd, 1, -1); |
| 122 | if (ret < 0) { |
| 123 | if (errno == EINTR) |
Jens Axboe | d5b388a | 2009-01-19 12:38:27 +0100 | [diff] [blame] | 124 | break; |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 125 | |
| 126 | td_verror(td, errno, "poll"); |
| 127 | return -1; |
| 128 | } else if (!ret) |
| 129 | continue; |
| 130 | |
| 131 | break; |
| 132 | } |
| 133 | |
| 134 | if (pfd.revents & events) |
| 135 | return 1; |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 136 | |
| 137 | return -1; |
| 138 | } |
| 139 | |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 140 | static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) |
| 141 | { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 142 | struct netio_options *o = td->eo; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 143 | |
Jens Axboe | 7a6499d | 2007-02-07 09:35:29 +0100 | [diff] [blame] | 144 | /* |
| 145 | * Make sure we don't see spurious reads to a receiver, and vice versa |
| 146 | */ |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 147 | if (o->proto == FIO_TYPE_TCP) |
| 148 | return 0; |
| 149 | |
| 150 | if ((o->listen && io_u->ddir == DDIR_WRITE) || |
| 151 | (!o->listen && io_u->ddir == DDIR_READ)) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 152 | td_verror(td, EINVAL, "bad direction"); |
Jens Axboe | 7a6499d | 2007-02-07 09:35:29 +0100 | [diff] [blame] | 153 | return 1; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 154 | } |
Jens Axboe | 7a6499d | 2007-02-07 09:35:29 +0100 | [diff] [blame] | 155 | |
Jens Axboe | f85ac25 | 2008-03-01 18:09:49 +0100 | [diff] [blame] | 156 | return 0; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 157 | } |
| 158 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 159 | #ifdef FIO_HAVE_SPLICE |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 160 | static int splice_io_u(int fdin, int fdout, unsigned int len) |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 161 | { |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 162 | int bytes = 0; |
| 163 | |
| 164 | while (len) { |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 165 | int ret = splice(fdin, NULL, fdout, NULL, len, 0); |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 166 | |
| 167 | if (ret < 0) { |
| 168 | if (!bytes) |
| 169 | bytes = ret; |
| 170 | |
| 171 | break; |
| 172 | } else if (!ret) |
| 173 | break; |
| 174 | |
| 175 | bytes += ret; |
Jens Axboe | f657a2f | 2007-06-22 20:40:10 +0200 | [diff] [blame] | 176 | len -= ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | return bytes; |
| 180 | } |
| 181 | |
| 182 | /* |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 183 | * Receive bytes from a socket and fill them into the internal pipe |
| 184 | */ |
| 185 | static int splice_in(struct thread_data *td, struct io_u *io_u) |
| 186 | { |
| 187 | struct netio_data *nd = td->io_ops->data; |
| 188 | |
| 189 | return splice_io_u(io_u->file->fd, nd->pipes[1], io_u->xfer_buflen); |
| 190 | } |
| 191 | |
| 192 | /* |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 193 | * Transmit 'len' bytes from the internal pipe |
| 194 | */ |
| 195 | static int splice_out(struct thread_data *td, struct io_u *io_u, |
| 196 | unsigned int len) |
| 197 | { |
| 198 | struct netio_data *nd = td->io_ops->data; |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 199 | |
| 200 | return splice_io_u(nd->pipes[0], io_u->file->fd, len); |
| 201 | } |
| 202 | |
| 203 | static int vmsplice_io_u(struct io_u *io_u, int fd, unsigned int len) |
| 204 | { |
| 205 | struct iovec iov = { |
| 206 | .iov_base = io_u->xfer_buf, |
| 207 | .iov_len = len, |
| 208 | }; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 209 | int bytes = 0; |
| 210 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 211 | while (iov.iov_len) { |
| 212 | int ret = vmsplice(fd, &iov, 1, SPLICE_F_MOVE); |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 213 | |
| 214 | if (ret < 0) { |
| 215 | if (!bytes) |
| 216 | bytes = ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 217 | break; |
| 218 | } else if (!ret) |
| 219 | break; |
| 220 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 221 | iov.iov_len -= ret; |
| 222 | iov.iov_base += ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 223 | bytes += ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 224 | } |
| 225 | |
| 226 | return bytes; |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 227 | |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 228 | } |
| 229 | |
| 230 | /* |
| 231 | * vmsplice() pipe to io_u buffer |
| 232 | */ |
| 233 | static int vmsplice_io_u_out(struct thread_data *td, struct io_u *io_u, |
| 234 | unsigned int len) |
| 235 | { |
| 236 | struct netio_data *nd = td->io_ops->data; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 237 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 238 | return vmsplice_io_u(io_u, nd->pipes[0], len); |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 239 | } |
| 240 | |
| 241 | /* |
| 242 | * vmsplice() io_u to pipe |
| 243 | */ |
| 244 | static int vmsplice_io_u_in(struct thread_data *td, struct io_u *io_u) |
| 245 | { |
| 246 | struct netio_data *nd = td->io_ops->data; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 247 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 248 | 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] | 249 | } |
| 250 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 251 | /* |
| 252 | * splice receive - transfer socket data into a pipe using splice, then map |
| 253 | * that pipe data into the io_u using vmsplice. |
| 254 | */ |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 255 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) |
| 256 | { |
| 257 | int ret; |
| 258 | |
| 259 | ret = splice_in(td, io_u); |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 260 | if (ret > 0) |
| 261 | return vmsplice_io_u_out(td, io_u, ret); |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 262 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 263 | return ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 264 | } |
| 265 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 266 | /* |
| 267 | * splice transmit - map data from the io_u into a pipe by using vmsplice, |
| 268 | * then transfer that pipe to a socket using splice. |
| 269 | */ |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 270 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) |
| 271 | { |
| 272 | int ret; |
| 273 | |
| 274 | ret = vmsplice_io_u_in(td, io_u); |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 275 | if (ret > 0) |
| 276 | return splice_out(td, io_u, ret); |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 277 | |
Jens Axboe | cd963e1 | 2007-06-24 21:41:46 +0200 | [diff] [blame] | 278 | return ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 279 | } |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 280 | #else |
| 281 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) |
| 282 | { |
Jens Axboe | af8771b | 2008-05-30 22:58:28 +0200 | [diff] [blame] | 283 | errno = EOPNOTSUPP; |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 284 | return -1; |
| 285 | } |
| 286 | |
| 287 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) |
| 288 | { |
Jens Axboe | af8771b | 2008-05-30 22:58:28 +0200 | [diff] [blame] | 289 | errno = EOPNOTSUPP; |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 290 | return -1; |
| 291 | } |
| 292 | #endif |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 293 | |
| 294 | static int fio_netio_send(struct thread_data *td, struct io_u *io_u) |
| 295 | { |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 296 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 297 | struct netio_options *o = td->eo; |
Jens Axboe | 8e239ca | 2010-08-11 10:29:12 -0400 | [diff] [blame] | 298 | int ret, flags = OS_MSG_DONTWAIT; |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 299 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 300 | do { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 301 | if (o->proto == FIO_TYPE_UDP) { |
Jens Axboe | 62b3892 | 2009-05-11 10:37:33 +0200 | [diff] [blame] | 302 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
| 303 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 304 | ret = sendto(io_u->file->fd, io_u->xfer_buf, |
Jens Axboe | 62b3892 | 2009-05-11 10:37:33 +0200 | [diff] [blame] | 305 | io_u->xfer_buflen, flags, to, |
| 306 | sizeof(*to)); |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 307 | } else { |
| 308 | /* |
| 309 | * if we are going to write more, set MSG_MORE |
| 310 | */ |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 311 | #ifdef MSG_MORE |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 312 | if (td->this_io_bytes[DDIR_WRITE] + io_u->xfer_buflen < |
| 313 | td->o.size) |
| 314 | flags |= MSG_MORE; |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 315 | #endif |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 316 | ret = send(io_u->file->fd, io_u->xfer_buf, |
| 317 | io_u->xfer_buflen, flags); |
| 318 | } |
| 319 | if (ret > 0) |
| 320 | break; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 321 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 322 | ret = poll_wait(td, io_u->file->fd, POLLOUT); |
| 323 | if (ret <= 0) |
| 324 | break; |
| 325 | |
Jens Axboe | 8e239ca | 2010-08-11 10:29:12 -0400 | [diff] [blame] | 326 | flags &= ~OS_MSG_DONTWAIT; |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 327 | } while (1); |
| 328 | |
| 329 | return ret; |
| 330 | } |
| 331 | |
| 332 | static int is_udp_close(struct io_u *io_u, int len) |
| 333 | { |
| 334 | struct udp_close_msg *msg; |
| 335 | |
| 336 | if (len != sizeof(struct udp_close_msg)) |
| 337 | return 0; |
| 338 | |
| 339 | msg = io_u->xfer_buf; |
| 340 | if (ntohl(msg->magic) != FIO_LINK_CLOSE_MAGIC) |
| 341 | return 0; |
| 342 | if (ntohl(msg->cmd) != FIO_LINK_CLOSE) |
| 343 | return 0; |
| 344 | |
| 345 | return 1; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 346 | } |
| 347 | |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 348 | 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] | 349 | { |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 350 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 351 | struct netio_options *o = td->eo; |
Jens Axboe | 8e239ca | 2010-08-11 10:29:12 -0400 | [diff] [blame] | 352 | int ret, flags = OS_MSG_DONTWAIT; |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 353 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 354 | do { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 355 | if (o->proto == FIO_TYPE_UDP) { |
Jens Axboe | 5ba13ea | 2011-10-04 23:50:28 +0200 | [diff] [blame] | 356 | fio_socklen_t len = sizeof(nd->addr); |
Jens Axboe | 62b3892 | 2009-05-11 10:37:33 +0200 | [diff] [blame] | 357 | struct sockaddr *from = (struct sockaddr *) &nd->addr; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 358 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 359 | ret = recvfrom(io_u->file->fd, io_u->xfer_buf, |
Jens Axboe | 62b3892 | 2009-05-11 10:37:33 +0200 | [diff] [blame] | 360 | io_u->xfer_buflen, flags, from, &len); |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 361 | if (is_udp_close(io_u, ret)) { |
| 362 | td->done = 1; |
| 363 | return 0; |
| 364 | } |
| 365 | } else { |
| 366 | ret = recv(io_u->file->fd, io_u->xfer_buf, |
| 367 | io_u->xfer_buflen, flags); |
| 368 | } |
| 369 | if (ret > 0) |
| 370 | break; |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 371 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 372 | ret = poll_wait(td, io_u->file->fd, POLLIN); |
| 373 | if (ret <= 0) |
| 374 | break; |
Jens Axboe | 8e239ca | 2010-08-11 10:29:12 -0400 | [diff] [blame] | 375 | flags &= ~OS_MSG_DONTWAIT; |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 376 | flags |= MSG_WAITALL; |
| 377 | } while (1); |
| 378 | |
| 379 | return ret; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 380 | } |
| 381 | |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 382 | static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) |
| 383 | { |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 384 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 385 | struct netio_options *o = td->eo; |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 386 | int ret; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 387 | |
Jens Axboe | 7101d9c | 2007-09-12 13:12:39 +0200 | [diff] [blame] | 388 | fio_ro_check(td, io_u); |
| 389 | |
Jens Axboe | 7a6499d | 2007-02-07 09:35:29 +0100 | [diff] [blame] | 390 | if (io_u->ddir == DDIR_WRITE) { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 391 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
| 392 | o->proto == FIO_TYPE_UNIX) |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 393 | ret = fio_netio_send(td, io_u); |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 394 | else |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 395 | ret = fio_netio_splice_out(td, io_u); |
| 396 | } else if (io_u->ddir == DDIR_READ) { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 397 | if (!nd->use_splice || o->proto == FIO_TYPE_UDP || |
| 398 | o->proto == FIO_TYPE_UNIX) |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 399 | ret = fio_netio_recv(td, io_u); |
| 400 | else |
| 401 | ret = fio_netio_splice_in(td, io_u); |
Jens Axboe | d4f12dd | 2007-02-08 12:59:02 +0100 | [diff] [blame] | 402 | } else |
Jens Axboe | 7a6499d | 2007-02-07 09:35:29 +0100 | [diff] [blame] | 403 | ret = 0; /* must be a SYNC */ |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 404 | |
Jens Axboe | cec6b55 | 2007-02-06 20:15:38 +0100 | [diff] [blame] | 405 | if (ret != (int) io_u->xfer_buflen) { |
Jens Axboe | 22819ec | 2007-02-18 07:47:14 +0100 | [diff] [blame] | 406 | if (ret >= 0) { |
Jens Axboe | cec6b55 | 2007-02-06 20:15:38 +0100 | [diff] [blame] | 407 | io_u->resid = io_u->xfer_buflen - ret; |
| 408 | io_u->error = 0; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 409 | return FIO_Q_COMPLETED; |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 410 | } else { |
| 411 | int err = errno; |
| 412 | |
| 413 | if (io_u->ddir == DDIR_WRITE && err == EMSGSIZE) |
| 414 | return FIO_Q_BUSY; |
| 415 | |
| 416 | io_u->error = err; |
| 417 | } |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 418 | } |
| 419 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 420 | if (io_u->error) |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 421 | td_verror(td, io_u->error, "xfer"); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 422 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 423 | return FIO_Q_COMPLETED; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 424 | } |
| 425 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 426 | 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] | 427 | { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 428 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 429 | struct netio_options *o = td->eo; |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 430 | int type, domain; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 431 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 432 | if (o->proto == FIO_TYPE_TCP) { |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 433 | domain = AF_INET; |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 434 | type = SOCK_STREAM; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 435 | } else if (o->proto == FIO_TYPE_UDP) { |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 436 | domain = AF_INET; |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 437 | type = SOCK_DGRAM; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 438 | } else if (o->proto == FIO_TYPE_UNIX) { |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 439 | domain = AF_UNIX; |
| 440 | type = SOCK_STREAM; |
| 441 | } else { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 442 | log_err("fio: bad network type %d\n", o->proto); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 443 | f->fd = -1; |
| 444 | return 1; |
| 445 | } |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 446 | |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 447 | f->fd = socket(domain, type, 0); |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 448 | if (f->fd < 0) { |
| 449 | td_verror(td, errno, "socket"); |
| 450 | return 1; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 451 | } |
| 452 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 453 | if (o->proto == FIO_TYPE_UDP) |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 454 | return 0; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 455 | else if (o->proto == FIO_TYPE_TCP) { |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 456 | fio_socklen_t len = sizeof(nd->addr); |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 457 | |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 458 | if (connect(f->fd, (struct sockaddr *) &nd->addr, len) < 0) { |
| 459 | td_verror(td, errno, "connect"); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 460 | close(f->fd); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 461 | return 1; |
| 462 | } |
| 463 | } else { |
| 464 | struct sockaddr_un *addr = &nd->addr_un; |
| 465 | fio_socklen_t len; |
| 466 | |
| 467 | len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; |
| 468 | |
| 469 | if (connect(f->fd, (struct sockaddr *) addr, len) < 0) { |
| 470 | td_verror(td, errno, "connect"); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 471 | close(f->fd); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 472 | return 1; |
| 473 | } |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 474 | } |
| 475 | |
| 476 | return 0; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 477 | } |
| 478 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 479 | 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] | 480 | { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 481 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 482 | struct netio_options *o = td->eo; |
Jens Axboe | 5ba13ea | 2011-10-04 23:50:28 +0200 | [diff] [blame] | 483 | fio_socklen_t socklen = sizeof(nd->addr); |
Jens Axboe | 5fdd124 | 2007-02-11 04:00:37 +0100 | [diff] [blame] | 484 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 485 | if (o->proto == FIO_TYPE_UDP) { |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 486 | f->fd = nd->listenfd; |
| 487 | return 0; |
| 488 | } |
| 489 | |
Jens Axboe | 6d86144 | 2007-03-15 09:22:23 +0100 | [diff] [blame] | 490 | log_info("fio: waiting for connection\n"); |
Jens Axboe | 5fdd124 | 2007-02-11 04:00:37 +0100 | [diff] [blame] | 491 | |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 492 | if (poll_wait(td, nd->listenfd, POLLIN) < 0) |
| 493 | return 1; |
Jens Axboe | 5fdd124 | 2007-02-11 04:00:37 +0100 | [diff] [blame] | 494 | |
Jens Axboe | 371d456 | 2009-01-19 10:17:06 +0100 | [diff] [blame] | 495 | f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); |
| 496 | if (f->fd < 0) { |
| 497 | td_verror(td, errno, "accept"); |
| 498 | return 1; |
Jens Axboe | 5fdd124 | 2007-02-11 04:00:37 +0100 | [diff] [blame] | 499 | } |
| 500 | |
| 501 | return 0; |
| 502 | } |
| 503 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 504 | static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 505 | { |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 506 | int ret; |
Yufei Ren | 991802b | 2011-12-19 08:56:29 +0100 | [diff] [blame] | 507 | struct netio_options *o = td->eo; |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 508 | |
Yufei Ren | 991802b | 2011-12-19 08:56:29 +0100 | [diff] [blame] | 509 | if (o->listen) |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 510 | ret = fio_netio_accept(td, f); |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 511 | else |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 512 | ret = fio_netio_connect(td, f); |
| 513 | |
| 514 | if (ret) |
| 515 | f->fd = -1; |
| 516 | return ret; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 517 | } |
| 518 | |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 519 | static void fio_netio_udp_close(struct thread_data *td, struct fio_file *f) |
| 520 | { |
| 521 | struct netio_data *nd = td->io_ops->data; |
| 522 | struct udp_close_msg msg; |
Jens Axboe | 62b3892 | 2009-05-11 10:37:33 +0200 | [diff] [blame] | 523 | struct sockaddr *to = (struct sockaddr *) &nd->addr; |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 524 | int ret; |
| 525 | |
| 526 | msg.magic = htonl(FIO_LINK_CLOSE_MAGIC); |
| 527 | msg.cmd = htonl(FIO_LINK_CLOSE); |
| 528 | |
Jens Axboe | 62b3892 | 2009-05-11 10:37:33 +0200 | [diff] [blame] | 529 | ret = sendto(f->fd, &msg, sizeof(msg), MSG_WAITALL, to, |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 530 | sizeof(nd->addr)); |
| 531 | if (ret < 0) |
| 532 | td_verror(td, errno, "sendto udp link close"); |
| 533 | } |
| 534 | |
| 535 | static int fio_netio_close_file(struct thread_data *td, struct fio_file *f) |
| 536 | { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 537 | struct netio_options *o = td->eo; |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 538 | |
| 539 | /* |
| 540 | * If this is an UDP connection, notify the receiver that we are |
| 541 | * closing down the link |
| 542 | */ |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 543 | if (o->proto == FIO_TYPE_UDP) |
Jens Axboe | 664fb3b | 2009-01-19 13:26:36 +0100 | [diff] [blame] | 544 | fio_netio_udp_close(td, f); |
| 545 | |
| 546 | return generic_close_file(td, f); |
| 547 | } |
| 548 | |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 549 | static int fio_netio_setup_connect_inet(struct thread_data *td, |
| 550 | const char *host, unsigned short port) |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 551 | { |
| 552 | struct netio_data *nd = td->io_ops->data; |
| 553 | |
| 554 | nd->addr.sin_family = AF_INET; |
| 555 | nd->addr.sin_port = htons(port); |
| 556 | |
| 557 | if (inet_aton(host, &nd->addr.sin_addr) != 1) { |
| 558 | struct hostent *hent; |
| 559 | |
| 560 | hent = gethostbyname(host); |
| 561 | if (!hent) { |
| 562 | td_verror(td, errno, "gethostbyname"); |
| 563 | return 1; |
| 564 | } |
| 565 | |
| 566 | memcpy(&nd->addr.sin_addr, hent->h_addr, 4); |
| 567 | } |
| 568 | |
| 569 | return 0; |
| 570 | } |
| 571 | |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 572 | static int fio_netio_setup_connect_unix(struct thread_data *td, |
| 573 | const char *path) |
| 574 | { |
| 575 | struct netio_data *nd = td->io_ops->data; |
| 576 | struct sockaddr_un *soun = &nd->addr_un; |
| 577 | |
| 578 | soun->sun_family = AF_UNIX; |
| 579 | strcpy(soun->sun_path, path); |
| 580 | return 0; |
| 581 | } |
| 582 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 583 | static int fio_netio_setup_connect(struct thread_data *td) |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 584 | { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 585 | struct netio_options *o = td->eo; |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 586 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 587 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
| 588 | return fio_netio_setup_connect_inet(td, td->o.filename,o->port); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 589 | else |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 590 | return fio_netio_setup_connect_unix(td, td->o.filename); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 591 | } |
| 592 | |
| 593 | static int fio_netio_setup_listen_unix(struct thread_data *td, const char *path) |
| 594 | { |
| 595 | struct netio_data *nd = td->io_ops->data; |
| 596 | struct sockaddr_un *addr = &nd->addr_un; |
| 597 | mode_t mode; |
| 598 | int len, fd; |
| 599 | |
| 600 | fd = socket(AF_UNIX, SOCK_STREAM, 0); |
| 601 | if (fd < 0) { |
| 602 | log_err("fio: socket: %s\n", strerror(errno)); |
| 603 | return -1; |
| 604 | } |
| 605 | |
| 606 | mode = umask(000); |
| 607 | |
| 608 | memset(addr, 0, sizeof(*addr)); |
| 609 | addr->sun_family = AF_UNIX; |
| 610 | strcpy(addr->sun_path, path); |
| 611 | unlink(path); |
| 612 | |
| 613 | len = sizeof(addr->sun_family) + strlen(path) + 1; |
| 614 | |
| 615 | if (bind(fd, (struct sockaddr *) addr, len) < 0) { |
| 616 | log_err("fio: bind: %s\n", strerror(errno)); |
Jens Axboe | b94cba4 | 2011-10-06 21:27:10 +0200 | [diff] [blame] | 617 | close(fd); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 618 | return -1; |
| 619 | } |
| 620 | |
| 621 | umask(mode); |
| 622 | nd->listenfd = fd; |
| 623 | return 0; |
| 624 | } |
| 625 | |
| 626 | 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] | 627 | { |
| 628 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 629 | struct netio_options *o = td->eo; |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 630 | int fd, opt, type; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 631 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 632 | if (o->proto == FIO_TYPE_TCP) |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 633 | type = SOCK_STREAM; |
| 634 | else |
| 635 | type = SOCK_DGRAM; |
| 636 | |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 637 | fd = socket(AF_INET, type, 0); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 638 | if (fd < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 639 | td_verror(td, errno, "socket"); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 640 | return 1; |
| 641 | } |
| 642 | |
| 643 | opt = 1; |
| 644 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 645 | td_verror(td, errno, "setsockopt"); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 646 | return 1; |
| 647 | } |
Jens Axboe | 6bedbfa | 2007-02-07 09:54:40 +0100 | [diff] [blame] | 648 | #ifdef SO_REUSEPORT |
| 649 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 650 | td_verror(td, errno, "setsockopt"); |
Jens Axboe | 6bedbfa | 2007-02-07 09:54:40 +0100 | [diff] [blame] | 651 | return 1; |
| 652 | } |
| 653 | #endif |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 654 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 655 | nd->addr.sin_family = AF_INET; |
| 656 | nd->addr.sin_addr.s_addr = htonl(INADDR_ANY); |
| 657 | nd->addr.sin_port = htons(port); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 658 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 659 | if (bind(fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 660 | td_verror(td, errno, "bind"); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 661 | return 1; |
| 662 | } |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 663 | |
| 664 | nd->listenfd = fd; |
| 665 | return 0; |
| 666 | } |
| 667 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 668 | static int fio_netio_setup_listen(struct thread_data *td) |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 669 | { |
| 670 | struct netio_data *nd = td->io_ops->data; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 671 | struct netio_options *o = td->eo; |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 672 | int ret; |
| 673 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 674 | if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) |
| 675 | ret = fio_netio_setup_listen_inet(td, o->port); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 676 | else |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 677 | ret = fio_netio_setup_listen_unix(td, td->o.filename); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 678 | |
| 679 | if (ret) |
| 680 | return ret; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 681 | if (o->proto == FIO_TYPE_UDP) |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 682 | return 0; |
| 683 | |
| 684 | if (listen(nd->listenfd, 10) < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 685 | td_verror(td, errno, "listen"); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 686 | nd->listenfd = -1; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 687 | return 1; |
| 688 | } |
| 689 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 690 | return 0; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 691 | } |
| 692 | |
Jens Axboe | 9bec88e | 2007-03-02 08:55:48 +0100 | [diff] [blame] | 693 | static int fio_netio_init(struct thread_data *td) |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 694 | { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 695 | struct netio_options *o = td->eo; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 696 | int ret; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 697 | |
Jens Axboe | 16d55aa | 2007-05-22 09:21:37 +0200 | [diff] [blame] | 698 | if (td_random(td)) { |
| 699 | log_err("fio: network IO can't be random\n"); |
| 700 | return 1; |
| 701 | } |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 702 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 703 | if (o->proto == FIO_TYPE_UNIX && o->port) { |
| 704 | log_err("fio: network IO port not valid with unix socket\n"); |
| 705 | return 1; |
| 706 | } else if (o->proto != FIO_TYPE_UNIX && !o->port) { |
| 707 | log_err("fio: network IO requires port for tcp or udp\n"); |
| 708 | return 1; |
Jens Axboe | 414c2a3 | 2009-01-16 13:21:15 +0100 | [diff] [blame] | 709 | } |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 710 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 711 | if (o->proto != FIO_TYPE_TCP) { |
| 712 | if (o->listen) { |
Jens Axboe | 9b98606 | 2011-12-19 08:57:18 +0100 | [diff] [blame] | 713 | log_err("fio: listen only valid for TCP proto IO\n"); |
| 714 | return 1; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 715 | } |
| 716 | if (td_rw(td)) { |
Jens Axboe | 9b98606 | 2011-12-19 08:57:18 +0100 | [diff] [blame] | 717 | log_err("fio: datagram network connections must be" |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 718 | " read OR write\n"); |
Jens Axboe | 9b98606 | 2011-12-19 08:57:18 +0100 | [diff] [blame] | 719 | return 1; |
| 720 | } |
| 721 | if (o->proto == FIO_TYPE_UNIX && !td->o.filename) { |
| 722 | log_err("fio: UNIX sockets need host/filename\n"); |
| 723 | return 1; |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 724 | } |
| 725 | o->listen = td_read(td); |
| 726 | } |
| 727 | |
| 728 | if (o->proto != FIO_TYPE_UNIX && o->listen && td->o.filename) { |
| 729 | log_err("fio: hostname not valid for inbound network IO\n"); |
| 730 | return 1; |
| 731 | } |
| 732 | |
| 733 | if (o->listen) |
| 734 | ret = fio_netio_setup_listen(td); |
Jens Axboe | 0fd666b | 2011-10-06 20:08:53 +0200 | [diff] [blame] | 735 | else |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 736 | ret = fio_netio_setup_connect(td); |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 737 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 738 | return ret; |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 739 | } |
| 740 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 741 | static void fio_netio_cleanup(struct thread_data *td) |
Jens Axboe | 9bec88e | 2007-03-02 08:55:48 +0100 | [diff] [blame] | 742 | { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 743 | struct netio_data *nd = td->io_ops->data; |
| 744 | |
| 745 | if (nd) { |
Jens Axboe | 64b24cd | 2007-06-24 21:28:39 +0200 | [diff] [blame] | 746 | if (nd->listenfd != -1) |
| 747 | close(nd->listenfd); |
| 748 | if (nd->pipes[0] != -1) |
| 749 | close(nd->pipes[0]); |
| 750 | if (nd->pipes[1] != -1) |
| 751 | close(nd->pipes[1]); |
| 752 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 753 | free(nd); |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 754 | } |
| 755 | } |
| 756 | |
| 757 | static int fio_netio_setup(struct thread_data *td) |
| 758 | { |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 759 | struct netio_data *nd; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 760 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 761 | if (!td->files_index) { |
| 762 | add_file(td, td->o.filename ?: "net"); |
| 763 | td->o.nr_files = td->o.nr_files ?: 1; |
| 764 | } |
| 765 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 766 | if (!td->io_ops->data) { |
| 767 | nd = malloc(sizeof(*nd));; |
| 768 | |
| 769 | memset(nd, 0, sizeof(*nd)); |
| 770 | nd->listenfd = -1; |
Jens Axboe | 64b24cd | 2007-06-24 21:28:39 +0200 | [diff] [blame] | 771 | nd->pipes[0] = nd->pipes[1] = -1; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 772 | td->io_ops->data = nd; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 773 | } |
| 774 | |
Jens Axboe | 9bec88e | 2007-03-02 08:55:48 +0100 | [diff] [blame] | 775 | return 0; |
| 776 | } |
| 777 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 778 | #ifdef FIO_HAVE_SPLICE |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 779 | static int fio_netio_setup_splice(struct thread_data *td) |
| 780 | { |
| 781 | struct netio_data *nd; |
| 782 | |
| 783 | fio_netio_setup(td); |
| 784 | |
| 785 | nd = td->io_ops->data; |
| 786 | if (nd) { |
| 787 | if (pipe(nd->pipes) < 0) |
| 788 | return 1; |
| 789 | |
| 790 | nd->use_splice = 1; |
| 791 | return 0; |
| 792 | } |
| 793 | |
| 794 | return 1; |
| 795 | } |
| 796 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 797 | static struct ioengine_ops ioengine_splice = { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 798 | .name = "netsplice", |
| 799 | .version = FIO_IOOPS_VERSION, |
| 800 | .prep = fio_netio_prep, |
| 801 | .queue = fio_netio_queue, |
| 802 | .setup = fio_netio_setup_splice, |
| 803 | .init = fio_netio_init, |
| 804 | .cleanup = fio_netio_cleanup, |
| 805 | .open_file = fio_netio_open_file, |
| 806 | .close_file = generic_close_file, |
| 807 | .options = options, |
| 808 | .option_struct_size = sizeof(struct netio_options), |
| 809 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | |
| 810 | FIO_SIGTERM | FIO_PIPEIO, |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 811 | }; |
| 812 | #endif |
| 813 | |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 814 | static struct ioengine_ops ioengine_rw = { |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 815 | .name = "net", |
| 816 | .version = FIO_IOOPS_VERSION, |
| 817 | .prep = fio_netio_prep, |
| 818 | .queue = fio_netio_queue, |
| 819 | .setup = fio_netio_setup, |
| 820 | .init = fio_netio_init, |
| 821 | .cleanup = fio_netio_cleanup, |
| 822 | .open_file = fio_netio_open_file, |
| 823 | .close_file = fio_netio_close_file, |
| 824 | .options = options, |
| 825 | .option_struct_size = sizeof(struct netio_options), |
| 826 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | |
| 827 | FIO_SIGTERM | FIO_PIPEIO, |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 828 | }; |
| 829 | |
Steven Lang | de890a1 | 2011-11-09 14:03:34 +0100 | [diff] [blame] | 830 | static int str_hostname_cb(void *data, const char *input) |
| 831 | { |
| 832 | struct netio_options *o = data; |
| 833 | |
| 834 | if (o->td->o.filename) |
| 835 | free(o->td->o.filename); |
| 836 | o->td->o.filename = strdup(input); |
| 837 | return 0; |
| 838 | } |
| 839 | |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 840 | static void fio_init fio_netio_register(void) |
| 841 | { |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 842 | register_ioengine(&ioengine_rw); |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 843 | #ifdef FIO_HAVE_SPLICE |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 844 | register_ioengine(&ioengine_splice); |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 845 | #endif |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 846 | } |
| 847 | |
| 848 | static void fio_exit fio_netio_unregister(void) |
| 849 | { |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 850 | unregister_ioengine(&ioengine_rw); |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 851 | #ifdef FIO_HAVE_SPLICE |
Jens Axboe | 9cce02e | 2007-06-22 15:42:21 +0200 | [diff] [blame] | 852 | unregister_ioengine(&ioengine_splice); |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 853 | #endif |
Jens Axboe | ed92ac0 | 2007-02-06 14:43:52 +0100 | [diff] [blame] | 854 | } |