The Android Open Source Project | 02fb0ac | 2009-03-03 19:30:07 -0800 | [diff] [blame] | 1 | #ifndef lint |
| 2 | char nettest_sdp[]="\ |
| 3 | @(#)nettest_sdp.c (c) Copyright 2007 Hewlett-Packard Co. Version 2.4.4"; |
| 4 | #else |
| 5 | #define DIRTY |
| 6 | #define WANT_HISTOGRAM |
| 7 | #define WANT_INTERVALS |
| 8 | #endif /* lint */ |
| 9 | |
| 10 | /****************************************************************/ |
| 11 | /* */ |
| 12 | /* nettest_sdp.c */ |
| 13 | /* */ |
| 14 | /* */ |
| 15 | /* scan_sdp_args() get the sdp command line args */ |
| 16 | /* */ |
| 17 | /* the actual test routines... */ |
| 18 | /* */ |
| 19 | /* send_sdp_stream() perform a sdp stream test */ |
| 20 | /* recv_sdp_stream() */ |
| 21 | /* send_sdp_rr() perform a sdp request/response */ |
| 22 | /* recv_sdp_rr() */ |
| 23 | /* */ |
| 24 | /* relies on create_data_socket in nettest_bsd.c */ |
| 25 | /****************************************************************/ |
| 26 | |
| 27 | #if HAVE_CONFIG_H |
| 28 | # include <config.h> |
| 29 | #endif |
| 30 | |
| 31 | #if defined(WANT_SDP) |
| 32 | |
| 33 | #include <sys/types.h> |
| 34 | #include <fcntl.h> |
| 35 | #include <errno.h> |
| 36 | #include <signal.h> |
| 37 | #include <stdio.h> |
| 38 | #include <string.h> |
| 39 | #include <time.h> |
| 40 | #ifdef NOSTDLIBH |
| 41 | #include <malloc.h> |
| 42 | #else /* NOSTDLIBH */ |
| 43 | #include <stdlib.h> |
| 44 | #endif /* NOSTDLIBH */ |
| 45 | |
| 46 | #if !defined(__VMS) |
| 47 | #include <sys/ipc.h> |
| 48 | #endif /* !defined(__VMS) */ |
| 49 | #include <unistd.h> |
| 50 | #include <sys/types.h> |
| 51 | #include <sys/socket.h> |
| 52 | #include <netinet/in.h> |
| 53 | #include <netinet/tcp.h> |
| 54 | #include <arpa/inet.h> |
| 55 | #include <netdb.h> |
| 56 | |
| 57 | /* would seem that not all sdp.h files define a MSG_EOF, but that |
| 58 | MSG_EOF can be the same as MSG_FIN so lets work with that |
| 59 | assumption. initial find by Jon Pedersen. raj 2006-02-01 */ |
| 60 | #ifndef MSG_EOF |
| 61 | #ifdef MSG_FIN |
| 62 | #define MSG_EOF MSG_FIN |
| 63 | #else |
| 64 | #error Must have either MSG_EOF or MSG_FIN defined |
| 65 | #endif |
| 66 | #endif |
| 67 | |
| 68 | #include "netlib.h" |
| 69 | #include "netsh.h" |
| 70 | /* get some of the functions from nettest_bsd.c */ |
| 71 | #include "nettest_bsd.h" |
| 72 | #include "nettest_sdp.h" |
| 73 | |
| 74 | #ifdef WANT_HISTOGRAM |
| 75 | #ifdef __sgi |
| 76 | #include <sys/time.h> |
| 77 | #endif /* __sgi */ |
| 78 | #include "hist.h" |
| 79 | #endif /* WANT_HISTOGRAM */ |
| 80 | |
| 81 | #ifdef WANT_FIRST_BURST |
| 82 | extern int first_burst_size; |
| 83 | #endif /* WANT_FIRST_BURST */ |
| 84 | |
| 85 | |
| 86 | |
| 87 | /* these variables are specific to SDP tests. declare */ |
| 88 | /* them static to make them global only to this file. */ |
| 89 | |
| 90 | static int |
| 91 | msg_count = 0, /* number of messages to transmit on association */ |
| 92 | non_block = 0, /* default to blocking sockets */ |
| 93 | num_associations = 1; /* number of associations on the endpoint */ |
| 94 | |
| 95 | static int confidence_iteration; |
| 96 | static char local_cpu_method; |
| 97 | static char remote_cpu_method; |
| 98 | |
| 99 | #ifdef WANT_HISTOGRAM |
| 100 | static struct timeval time_one; |
| 101 | static struct timeval time_two; |
| 102 | static HIST time_hist; |
| 103 | #endif /* WANT_HISTOGRAM */ |
| 104 | |
| 105 | |
| 106 | char sdp_usage[] = "\n\ |
| 107 | Usage: netperf [global options] -- [test options] \n\ |
| 108 | \n\ |
| 109 | SDP Sockets Test Options:\n\ |
| 110 | -b number Send number requests at the start of _RR tests\n\ |
| 111 | -D [L][,R] Set SDP_NODELAY locally and/or remotely\n\ |
| 112 | -h Display this text\n\ |
| 113 | -H name,fam Use name (or IP) and family as target of data connection\n\ |
| 114 | -L name,fam Use name (or IP) and family as source of data connextion\n\ |
| 115 | -m bytes Set the size of each sent message\n\ |
| 116 | -M bytes Set the size of each received messages\n\ |
| 117 | -P local[,remote] Set the local/remote port for the data socket\n\ |
| 118 | -r req,[rsp] Set request/response sizes (_RR tests)\n\ |
| 119 | -s send[,recv] Set local socket send/recv buffer sizes\n\ |
| 120 | -S send[,recv] Set remote socket send/recv buffer sizes\n\ |
| 121 | -V Enable copy avoidance if supported\n\ |
| 122 | -4 Use AF_INET (eg IPv4) on both ends of the data conn\n\ |
| 123 | -6 Use AF_INET6 (eg IPv6) on both ends of the data conn\n\ |
| 124 | \n\ |
| 125 | For those options taking two parms, at least one must be specified;\n\ |
| 126 | specifying one value without a comma will set both parms to that\n\ |
| 127 | value, specifying a value with a leading comma will set just the second\n\ |
| 128 | parm, a value with a trailing comma will set just the first. To set\n\ |
| 129 | each parm to unique values, specify both and separate them with a\n\ |
| 130 | comma.\n"; |
| 131 | |
| 132 | |
| 133 | /* This routine is intended to retrieve interesting aspects of sdp */ |
| 134 | /* for the data connection. at first, it attempts to retrieve the */ |
| 135 | /* maximum segment size. later, it might be modified to retrieve */ |
| 136 | /* other information, but it must be information that can be */ |
| 137 | /* retrieved quickly as it is called during the timing of the test. */ |
| 138 | /* for that reason, a second routine may be created that can be */ |
| 139 | /* called outside of the timing loop */ |
| 140 | static |
| 141 | void |
| 142 | get_sdp_info(int socket, int * mss) |
| 143 | { |
| 144 | |
| 145 | #ifdef TCP_MAXSEG |
| 146 | netperf_socklen_t sock_opt_len; |
| 147 | |
| 148 | sock_opt_len = sizeof(netperf_socklen_t); |
| 149 | if (getsockopt(socket, |
| 150 | getprotobyname("tcp")->p_proto, |
| 151 | TCP_MAXSEG, |
| 152 | (char *)mss, |
| 153 | &sock_opt_len) == SOCKET_ERROR) { |
| 154 | fprintf(where, |
| 155 | "netperf: get_sdp_info: getsockopt TCP_MAXSEG: errno %d\n", |
| 156 | errno); |
| 157 | fflush(where); |
| 158 | *mss = -1; |
| 159 | } |
| 160 | #else |
| 161 | *mss = -1; |
| 162 | #endif /* TCP_MAXSEG */ |
| 163 | |
| 164 | } |
| 165 | |
| 166 | void |
| 167 | send_sdp_stream(char remote_host[]) |
| 168 | { |
| 169 | |
| 170 | char *tput_title = "\ |
| 171 | Recv Send Send \n\ |
| 172 | Socket Socket Message Elapsed \n\ |
| 173 | Size Size Size Time Throughput \n\ |
| 174 | bytes bytes bytes secs. %s/sec \n\n"; |
| 175 | |
| 176 | char *tput_fmt_0 = |
| 177 | "%7.2f %s\n"; |
| 178 | |
| 179 | char *tput_fmt_1 = |
| 180 | "%6d %6d %6d %-6.2f %7.2f %s\n"; |
| 181 | |
| 182 | char *cpu_title = "\ |
| 183 | Recv Send Send Utilization Service Demand\n\ |
| 184 | Socket Socket Message Elapsed Send Recv Send Recv\n\ |
| 185 | Size Size Size Time Throughput local remote local remote\n\ |
| 186 | bytes bytes bytes secs. %-8.8s/s %% %c %% %c us/KB us/KB\n\n"; |
| 187 | |
| 188 | char *cpu_fmt_0 = |
| 189 | "%6.3f %c %s\n"; |
| 190 | |
| 191 | char *cpu_fmt_1 = |
| 192 | "%6d %6d %6d %-6.2f %7.2f %-6.2f %-6.2f %-6.3f %-6.3f %s\n"; |
| 193 | |
| 194 | char *ksink_fmt = "\n\ |
| 195 | Alignment Offset %-8.8s %-8.8s Sends %-8.8s Recvs\n\ |
| 196 | Local Remote Local Remote Xfered Per Per\n\ |
| 197 | Send Recv Send Recv Send (avg) Recv (avg)\n\ |
| 198 | %5d %5d %5d %5d %6.4g %6.2f %6d %6.2f %6d\n"; |
| 199 | |
| 200 | char *ksink_fmt2 = "\n\ |
| 201 | Maximum\n\ |
| 202 | Segment\n\ |
| 203 | Size (bytes)\n\ |
| 204 | %6d\n"; |
| 205 | |
| 206 | |
| 207 | float elapsed_time; |
| 208 | |
| 209 | /* what we want is to have a buffer space that is at least one */ |
| 210 | /* send-size greater than our send window. this will insure that we */ |
| 211 | /* are never trying to re-use a buffer that may still be in the hands */ |
| 212 | /* of the transport. This buffer will be malloc'd after we have found */ |
| 213 | /* the size of the local senc socket buffer. We will want to deal */ |
| 214 | /* with alignment and offset concerns as well. */ |
| 215 | |
| 216 | struct ring_elt *send_ring; |
| 217 | |
| 218 | int len; |
| 219 | unsigned int nummessages = 0; |
| 220 | SOCKET send_socket; |
| 221 | int bytes_remaining; |
| 222 | int sdp_mss = -1; /* possibly uninitialized on printf far below */ |
| 223 | |
| 224 | /* with links like fddi, one can send > 32 bits worth of bytes */ |
| 225 | /* during a test... ;-) at some point, this should probably become a */ |
| 226 | /* 64bit integral type, but those are not entirely common yet */ |
| 227 | |
| 228 | unsigned long long local_bytes_sent = 0; |
| 229 | double bytes_sent = 0.0; |
| 230 | |
| 231 | float local_cpu_utilization; |
| 232 | float local_service_demand; |
| 233 | float remote_cpu_utilization; |
| 234 | float remote_service_demand; |
| 235 | |
| 236 | double thruput; |
| 237 | |
| 238 | struct addrinfo *remote_res; |
| 239 | struct addrinfo *local_res; |
| 240 | |
| 241 | struct sdp_stream_request_struct *sdp_stream_request; |
| 242 | struct sdp_stream_response_struct *sdp_stream_response; |
| 243 | struct sdp_stream_results_struct *sdp_stream_result; |
| 244 | |
| 245 | sdp_stream_request = |
| 246 | (struct sdp_stream_request_struct *)netperf_request.content.test_specific_data; |
| 247 | sdp_stream_response = |
| 248 | (struct sdp_stream_response_struct *)netperf_response.content.test_specific_data; |
| 249 | sdp_stream_result = |
| 250 | (struct sdp_stream_results_struct *)netperf_response.content.test_specific_data; |
| 251 | |
| 252 | #ifdef WANT_HISTOGRAM |
| 253 | if (verbosity > 1) { |
| 254 | time_hist = HIST_new(); |
| 255 | } |
| 256 | #endif /* WANT_HISTOGRAM */ |
| 257 | /* since we are now disconnected from the code that established the */ |
| 258 | /* control socket, and since we want to be able to use different */ |
| 259 | /* protocols and such, we are passed the name of the remote host and */ |
| 260 | /* must turn that into the test specific addressing information. */ |
| 261 | |
| 262 | /* complete_addrinfos will either succede or exit the process */ |
| 263 | complete_addrinfos(&remote_res, |
| 264 | &local_res, |
| 265 | remote_host, |
| 266 | SOCK_STREAM, |
| 267 | IPPROTO_TCP, |
| 268 | 0); |
| 269 | |
| 270 | if ( print_headers ) { |
| 271 | print_top_test_header("SDP STREAM TEST",local_res,remote_res); |
| 272 | } |
| 273 | |
| 274 | send_ring = NULL; |
| 275 | confidence_iteration = 1; |
| 276 | init_stat(); |
| 277 | |
| 278 | /* we have a great-big while loop which controls the number of times */ |
| 279 | /* we run a particular test. this is for the calculation of a */ |
| 280 | /* confidence interval (I really should have stayed awake during */ |
| 281 | /* probstats :). If the user did not request confidence measurement */ |
| 282 | /* (no confidence is the default) then we will only go though the */ |
| 283 | /* loop once. the confidence stuff originates from the folks at IBM */ |
| 284 | |
| 285 | while (((confidence < 0) && (confidence_iteration < iteration_max)) || |
| 286 | (confidence_iteration <= iteration_min)) { |
| 287 | |
| 288 | /* initialize a few counters. we have to remember that we might be */ |
| 289 | /* going through the loop more than once. */ |
| 290 | |
| 291 | nummessages = 0; |
| 292 | bytes_sent = 0.0; |
| 293 | times_up = 0; |
| 294 | |
| 295 | /*set up the data socket */ |
| 296 | /* fake things out by changing local_res->ai_family to AF_INET_SDP */ |
| 297 | local_res->ai_family = AF_INET_SDP; |
| 298 | local_res->ai_protocol = 0; |
| 299 | send_socket = create_data_socket(local_res); |
| 300 | |
| 301 | if (send_socket == INVALID_SOCKET){ |
| 302 | perror("netperf: send_sdp_stream: sdp stream data socket"); |
| 303 | exit(1); |
| 304 | } |
| 305 | |
| 306 | if (debug) { |
| 307 | fprintf(where,"send_sdp_stream: send_socket obtained...\n"); |
| 308 | } |
| 309 | |
| 310 | /* at this point, we have either retrieved the socket buffer sizes, */ |
| 311 | /* or have tried to set them, so now, we may want to set the send */ |
| 312 | /* size based on that (because the user either did not use a -m */ |
| 313 | /* option, or used one with an argument of 0). If the socket buffer */ |
| 314 | /* size is not available, we will set the send size to 4KB - no */ |
| 315 | /* particular reason, just arbitrary... */ |
| 316 | if (send_size == 0) { |
| 317 | if (lss_size > 0) { |
| 318 | send_size = lss_size; |
| 319 | } |
| 320 | else { |
| 321 | send_size = 4096; |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | /* set-up the data buffer ring with the requested alignment and offset. */ |
| 326 | /* note also that we have allocated a quantity */ |
| 327 | /* of memory that is at least one send-size greater than our socket */ |
| 328 | /* buffer size. We want to be sure that there are at least two */ |
| 329 | /* buffers allocated - this can be a bit of a problem when the */ |
| 330 | /* send_size is bigger than the socket size, so we must check... the */ |
| 331 | /* user may have wanted to explicitly set the "width" of our send */ |
| 332 | /* buffers, we should respect that wish... */ |
| 333 | if (send_width == 0) { |
| 334 | send_width = (lss_size/send_size) + 1; |
| 335 | if (send_width == 1) send_width++; |
| 336 | } |
| 337 | |
| 338 | if (send_ring == NULL) { |
| 339 | /* only allocate the send ring once. this is a networking test, */ |
| 340 | /* not a memory allocation test. this way, we do not need a */ |
| 341 | /* deallocate_buffer_ring() routine, and I don't feel like */ |
| 342 | /* writing one anyway :) raj 11/94 */ |
| 343 | send_ring = allocate_buffer_ring(send_width, |
| 344 | send_size, |
| 345 | local_send_align, |
| 346 | local_send_offset); |
| 347 | } |
| 348 | |
| 349 | /* If the user has requested cpu utilization measurements, we must */ |
| 350 | /* calibrate the cpu(s). We will perform this task within the tests */ |
| 351 | /* themselves. If the user has specified the cpu rate, then */ |
| 352 | /* calibrate_local_cpu will return rather quickly as it will have */ |
| 353 | /* nothing to do. If local_cpu_rate is zero, then we will go through */ |
| 354 | /* all the "normal" calibration stuff and return the rate back. */ |
| 355 | |
| 356 | if (local_cpu_usage) { |
| 357 | local_cpu_rate = calibrate_local_cpu(local_cpu_rate); |
| 358 | } |
| 359 | |
| 360 | if (!no_control) { |
| 361 | /* Tell the remote end to do a listen. The server alters the |
| 362 | socket paramters on the other side at this point, hence the |
| 363 | reason for all the values being passed in the setup |
| 364 | message. If the user did not specify any of the parameters, |
| 365 | they will be passed as 0, which will indicate to the remote |
| 366 | that no changes beyond the system's default should be |
| 367 | used. Alignment is the exception, it will default to 1, which |
| 368 | will be no alignment alterations. */ |
| 369 | |
| 370 | netperf_request.content.request_type = DO_SDP_STREAM; |
| 371 | sdp_stream_request->send_buf_size = rss_size_req; |
| 372 | sdp_stream_request->recv_buf_size = rsr_size_req; |
| 373 | sdp_stream_request->receive_size = recv_size; |
| 374 | sdp_stream_request->no_delay = rem_nodelay; |
| 375 | sdp_stream_request->recv_alignment = remote_recv_align; |
| 376 | sdp_stream_request->recv_offset = remote_recv_offset; |
| 377 | sdp_stream_request->measure_cpu = remote_cpu_usage; |
| 378 | sdp_stream_request->cpu_rate = remote_cpu_rate; |
| 379 | if (test_time) { |
| 380 | sdp_stream_request->test_length = test_time; |
| 381 | } |
| 382 | else { |
| 383 | sdp_stream_request->test_length = test_bytes; |
| 384 | } |
| 385 | sdp_stream_request->so_rcvavoid = rem_rcvavoid; |
| 386 | sdp_stream_request->so_sndavoid = rem_sndavoid; |
| 387 | #ifdef DIRTY |
| 388 | sdp_stream_request->dirty_count = rem_dirty_count; |
| 389 | sdp_stream_request->clean_count = rem_clean_count; |
| 390 | #endif /* DIRTY */ |
| 391 | sdp_stream_request->port = atoi(remote_data_port); |
| 392 | sdp_stream_request->ipfamily = af_to_nf(remote_res->ai_family); |
| 393 | if (debug > 1) { |
| 394 | fprintf(where, |
| 395 | "netperf: send_sdp_stream: requesting SDP stream test\n"); |
| 396 | } |
| 397 | |
| 398 | send_request(); |
| 399 | |
| 400 | /* The response from the remote will contain all of the relevant |
| 401 | socket parameters for this test type. We will put them back |
| 402 | into the variables here so they can be displayed if desired. |
| 403 | The remote will have calibrated CPU if necessary, and will |
| 404 | have done all the needed set-up we will have calibrated the |
| 405 | cpu locally before sending the request, and will grab the |
| 406 | counter value right after the connect returns. The remote |
| 407 | will grab the counter right after the accept call. This saves |
| 408 | the hassle of extra messages being sent for the SDP |
| 409 | tests. */ |
| 410 | |
| 411 | recv_response(); |
| 412 | |
| 413 | if (!netperf_response.content.serv_errno) { |
| 414 | if (debug) |
| 415 | fprintf(where,"remote listen done.\n"); |
| 416 | rsr_size = sdp_stream_response->recv_buf_size; |
| 417 | rss_size = sdp_stream_response->send_buf_size; |
| 418 | rem_nodelay = sdp_stream_response->no_delay; |
| 419 | remote_cpu_usage= sdp_stream_response->measure_cpu; |
| 420 | remote_cpu_rate = sdp_stream_response->cpu_rate; |
| 421 | |
| 422 | /* we have to make sure that the server port number is in |
| 423 | network order */ |
| 424 | set_port_number(remote_res, |
| 425 | (short)sdp_stream_response->data_port_number); |
| 426 | |
| 427 | rem_rcvavoid = sdp_stream_response->so_rcvavoid; |
| 428 | rem_sndavoid = sdp_stream_response->so_sndavoid; |
| 429 | } |
| 430 | else { |
| 431 | Set_errno(netperf_response.content.serv_errno); |
| 432 | fprintf(where, |
| 433 | "netperf: remote error %d", |
| 434 | netperf_response.content.serv_errno); |
| 435 | perror(""); |
| 436 | fflush(where); |
| 437 | |
| 438 | exit(1); |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | #ifdef WANT_DEMO |
| 443 | DEMO_STREAM_SETUP(lss_size,rsr_size) |
| 444 | #endif |
| 445 | |
| 446 | /*Connect up to the remote port on the data socket */ |
| 447 | if (connect(send_socket, |
| 448 | remote_res->ai_addr, |
| 449 | remote_res->ai_addrlen) == INVALID_SOCKET){ |
| 450 | perror("netperf: send_sdp_stream: data socket connect failed"); |
| 451 | exit(1); |
| 452 | } |
| 453 | |
| 454 | /* Data Socket set-up is finished. If there were problems, either */ |
| 455 | /* the connect would have failed, or the previous response would */ |
| 456 | /* have indicated a problem. I failed to see the value of the */ |
| 457 | /* extra message after the accept on the remote. If it failed, */ |
| 458 | /* we'll see it here. If it didn't, we might as well start pumping */ |
| 459 | /* data. */ |
| 460 | |
| 461 | /* Set-up the test end conditions. For a stream test, they can be */ |
| 462 | /* either time or byte-count based. */ |
| 463 | |
| 464 | if (test_time) { |
| 465 | /* The user wanted to end the test after a period of time. */ |
| 466 | times_up = 0; |
| 467 | bytes_remaining = 0; |
| 468 | /* in previous revisions, we had the same code repeated throught */ |
| 469 | /* all the test suites. this was unnecessary, and meant more */ |
| 470 | /* work for me when I wanted to switch to POSIX signals, so I */ |
| 471 | /* have abstracted this out into a routine in netlib.c. if you */ |
| 472 | /* are experiencing signal problems, you might want to look */ |
| 473 | /* there. raj 11/94 */ |
| 474 | start_timer(test_time); |
| 475 | } |
| 476 | else { |
| 477 | /* The tester wanted to send a number of bytes. */ |
| 478 | bytes_remaining = test_bytes; |
| 479 | times_up = 1; |
| 480 | } |
| 481 | |
| 482 | /* The cpu_start routine will grab the current time and possibly */ |
| 483 | /* value of the idle counter for later use in measuring cpu */ |
| 484 | /* utilization and/or service demand and thruput. */ |
| 485 | |
| 486 | cpu_start(local_cpu_usage); |
| 487 | |
| 488 | /* we only start the interval timer if we are using the |
| 489 | timer-timed intervals rather than the sit and spin ones. raj |
| 490 | 2006-02-06 */ |
| 491 | #if defined(WANT_INTERVALS) |
| 492 | INTERVALS_INIT(); |
| 493 | #endif /* WANT_INTERVALS */ |
| 494 | |
| 495 | /* before we start, initialize a few variables */ |
| 496 | |
| 497 | #ifdef WANT_DEMO |
| 498 | if (demo_mode) { |
| 499 | HIST_timestamp(demo_one_ptr); |
| 500 | } |
| 501 | #endif |
| 502 | |
| 503 | |
| 504 | /* We use an "OR" to control test execution. When the test is */ |
| 505 | /* controlled by time, the byte count check will always return false. */ |
| 506 | /* When the test is controlled by byte count, the time test will */ |
| 507 | /* always return false. When the test is finished, the whole */ |
| 508 | /* expression will go false and we will stop sending data. */ |
| 509 | |
| 510 | while ((!times_up) || (bytes_remaining > 0)) { |
| 511 | |
| 512 | #ifdef DIRTY |
| 513 | access_buffer(send_ring->buffer_ptr, |
| 514 | send_size, |
| 515 | loc_dirty_count, |
| 516 | loc_clean_count); |
| 517 | #endif /* DIRTY */ |
| 518 | |
| 519 | #ifdef WANT_HISTOGRAM |
| 520 | if (verbosity > 1) { |
| 521 | /* timestamp just before we go into send and then again just |
| 522 | after we come out raj 8/94 */ |
| 523 | /* but lets only do this if there is going to be a histogram |
| 524 | displayed */ |
| 525 | HIST_timestamp(&time_one); |
| 526 | } |
| 527 | #endif /* WANT_HISTOGRAM */ |
| 528 | |
| 529 | if((len=send(send_socket, |
| 530 | send_ring->buffer_ptr, |
| 531 | send_size, |
| 532 | 0)) != send_size) { |
| 533 | if ((len >=0) || SOCKET_EINTR(len)) { |
| 534 | /* the test was interrupted, must be the end of test */ |
| 535 | break; |
| 536 | } |
| 537 | perror("netperf: data send error"); |
| 538 | printf("len was %d\n",len); |
| 539 | exit(1); |
| 540 | } |
| 541 | |
| 542 | local_bytes_sent += send_size; |
| 543 | |
| 544 | #ifdef WANT_HISTOGRAM |
| 545 | if (verbosity > 1) { |
| 546 | /* timestamp the exit from the send call and update the histogram */ |
| 547 | HIST_timestamp(&time_two); |
| 548 | HIST_add(time_hist,delta_micro(&time_one,&time_two)); |
| 549 | } |
| 550 | #endif /* WANT_HISTOGRAM */ |
| 551 | |
| 552 | #ifdef WANT_DEMO |
| 553 | DEMO_STREAM_INTERVAL(send_size) |
| 554 | #endif |
| 555 | |
| 556 | #if defined(WANT_INTERVALS) |
| 557 | INTERVALS_WAIT(); |
| 558 | #endif /* WANT_INTERVALS */ |
| 559 | |
| 560 | /* now we want to move our pointer to the next position in the */ |
| 561 | /* data buffer...we may also want to wrap back to the "beginning" */ |
| 562 | /* of the bufferspace, so we will mod the number of messages sent */ |
| 563 | /* by the send width, and use that to calculate the offset to add */ |
| 564 | /* to the base pointer. */ |
| 565 | nummessages++; |
| 566 | send_ring = send_ring->next; |
| 567 | if (bytes_remaining) { |
| 568 | bytes_remaining -= send_size; |
| 569 | } |
| 570 | } |
| 571 | |
| 572 | /* The test is over. Flush the buffers to the remote end. We do a */ |
| 573 | /* graceful release to insure that all data has been taken by the */ |
| 574 | /* remote. */ |
| 575 | |
| 576 | /* but first, if the verbosity is greater than 1, find-out what */ |
| 577 | /* the SDP maximum segment_size was (if possible) */ |
| 578 | if (verbosity > 1) { |
| 579 | sdp_mss = -1; |
| 580 | get_sdp_info(send_socket,&sdp_mss); |
| 581 | } |
| 582 | |
| 583 | if (shutdown(send_socket,SHUT_WR) == SOCKET_ERROR) { |
| 584 | perror("netperf: cannot shutdown sdp stream socket"); |
| 585 | exit(1); |
| 586 | } |
| 587 | |
| 588 | /* hang a recv() off the socket to block until the remote has */ |
| 589 | /* brought all the data up into the application. it will do a */ |
| 590 | /* shutdown to cause a FIN to be sent our way. We will assume that */ |
| 591 | /* any exit from the recv() call is good... raj 4/93 */ |
| 592 | |
| 593 | recv(send_socket, send_ring->buffer_ptr, send_size, 0); |
| 594 | |
| 595 | /* this call will always give us the elapsed time for the test, and */ |
| 596 | /* will also store-away the necessaries for cpu utilization */ |
| 597 | |
| 598 | cpu_stop(local_cpu_usage,&elapsed_time); /* was cpu being */ |
| 599 | /* measured and how */ |
| 600 | /* long did we really */ |
| 601 | /* run? */ |
| 602 | |
| 603 | /* we are finished with the socket, so close it to prevent hitting */ |
| 604 | /* the limit on maximum open files. */ |
| 605 | |
| 606 | close(send_socket); |
| 607 | |
| 608 | if (!no_control) { |
| 609 | /* Get the statistics from the remote end. The remote will have |
| 610 | calculated service demand and all those interesting |
| 611 | things. If it wasn't supposed to care, it will return obvious |
| 612 | values. */ |
| 613 | |
| 614 | recv_response(); |
| 615 | if (!netperf_response.content.serv_errno) { |
| 616 | if (debug) |
| 617 | fprintf(where,"remote results obtained\n"); |
| 618 | } |
| 619 | else { |
| 620 | Set_errno(netperf_response.content.serv_errno); |
| 621 | fprintf(where, |
| 622 | "netperf: remote error %d", |
| 623 | netperf_response.content.serv_errno); |
| 624 | perror(""); |
| 625 | fflush(where); |
| 626 | |
| 627 | exit(1); |
| 628 | } |
| 629 | |
| 630 | /* We now calculate what our thruput was for the test. In the |
| 631 | future, we may want to include a calculation of the thruput |
| 632 | measured by the remote, but it should be the case that for a |
| 633 | SDP stream test, that the two numbers should be *very* |
| 634 | close... We calculate bytes_sent regardless of the way the |
| 635 | test length was controlled. If it was time, we needed to, |
| 636 | and if it was by bytes, the user may have specified a number |
| 637 | of bytes that wasn't a multiple of the send_size, so we |
| 638 | really didn't send what he asked for ;-) */ |
| 639 | |
| 640 | bytes_sent = ntohd(sdp_stream_result->bytes_received); |
| 641 | } |
| 642 | else { |
| 643 | bytes_sent = (double)local_bytes_sent; |
| 644 | } |
| 645 | |
| 646 | thruput = calc_thruput(bytes_sent); |
| 647 | |
| 648 | if (local_cpu_usage || remote_cpu_usage) { |
| 649 | /* We must now do a little math for service demand and cpu */ |
| 650 | /* utilization for the system(s) */ |
| 651 | /* Of course, some of the information might be bogus because */ |
| 652 | /* there was no idle counter in the kernel(s). We need to make */ |
| 653 | /* a note of this for the user's benefit...*/ |
| 654 | if (local_cpu_usage) { |
| 655 | |
| 656 | local_cpu_utilization = calc_cpu_util(0.0); |
| 657 | local_service_demand = calc_service_demand(bytes_sent, |
| 658 | 0.0, |
| 659 | 0.0, |
| 660 | 0); |
| 661 | } |
| 662 | else { |
| 663 | local_cpu_utilization = (float) -1.0; |
| 664 | local_service_demand = (float) -1.0; |
| 665 | } |
| 666 | |
| 667 | if (remote_cpu_usage) { |
| 668 | |
| 669 | remote_cpu_utilization = sdp_stream_result->cpu_util; |
| 670 | remote_service_demand = calc_service_demand(bytes_sent, |
| 671 | 0.0, |
| 672 | remote_cpu_utilization, |
| 673 | sdp_stream_result->num_cpus); |
| 674 | } |
| 675 | else { |
| 676 | remote_cpu_utilization = (float) -1.0; |
| 677 | remote_service_demand = (float) -1.0; |
| 678 | } |
| 679 | } |
| 680 | else { |
| 681 | /* we were not measuring cpu, for the confidence stuff, we */ |
| 682 | /* should make it -1.0 */ |
| 683 | local_cpu_utilization = (float) -1.0; |
| 684 | local_service_demand = (float) -1.0; |
| 685 | remote_cpu_utilization = (float) -1.0; |
| 686 | remote_service_demand = (float) -1.0; |
| 687 | } |
| 688 | |
| 689 | /* at this point, we want to calculate the confidence information. */ |
| 690 | /* if debugging is on, calculate_confidence will print-out the */ |
| 691 | /* parameters we pass it */ |
| 692 | |
| 693 | calculate_confidence(confidence_iteration, |
| 694 | elapsed_time, |
| 695 | thruput, |
| 696 | local_cpu_utilization, |
| 697 | remote_cpu_utilization, |
| 698 | local_service_demand, |
| 699 | remote_service_demand); |
| 700 | |
| 701 | |
| 702 | confidence_iteration++; |
| 703 | } |
| 704 | |
| 705 | /* at this point, we have finished making all the runs that we */ |
| 706 | /* will be making. so, we should extract what the calcuated values */ |
| 707 | /* are for all the confidence stuff. we could make the values */ |
| 708 | /* global, but that seemed a little messy, and it did not seem worth */ |
| 709 | /* all the mucking with header files. so, we create a routine much */ |
| 710 | /* like calcualte_confidence, which just returns the mean values. */ |
| 711 | /* raj 11/94 */ |
| 712 | |
| 713 | retrieve_confident_values(&elapsed_time, |
| 714 | &thruput, |
| 715 | &local_cpu_utilization, |
| 716 | &remote_cpu_utilization, |
| 717 | &local_service_demand, |
| 718 | &remote_service_demand); |
| 719 | |
| 720 | /* We are now ready to print all the information. If the user */ |
| 721 | /* has specified zero-level verbosity, we will just print the */ |
| 722 | /* local service demand, or the remote service demand. If the */ |
| 723 | /* user has requested verbosity level 1, he will get the basic */ |
| 724 | /* "streamperf" numbers. If the user has specified a verbosity */ |
| 725 | /* of greater than 1, we will display a veritable plethora of */ |
| 726 | /* background information from outside of this block as it it */ |
| 727 | /* not cpu_measurement specific... */ |
| 728 | |
| 729 | if (confidence < 0) { |
| 730 | /* we did not hit confidence, but were we asked to look for it? */ |
| 731 | if (iteration_max > 1) { |
| 732 | display_confidence(); |
| 733 | } |
| 734 | } |
| 735 | |
| 736 | if (local_cpu_usage || remote_cpu_usage) { |
| 737 | local_cpu_method = format_cpu_method(cpu_method); |
| 738 | remote_cpu_method = format_cpu_method(sdp_stream_result->cpu_method); |
| 739 | |
| 740 | switch (verbosity) { |
| 741 | case 0: |
| 742 | if (local_cpu_usage) { |
| 743 | fprintf(where, |
| 744 | cpu_fmt_0, |
| 745 | local_service_demand, |
| 746 | local_cpu_method, |
| 747 | ((print_headers) || |
| 748 | (result_brand == NULL)) ? "" : result_brand); |
| 749 | } |
| 750 | else { |
| 751 | fprintf(where, |
| 752 | cpu_fmt_0, |
| 753 | remote_service_demand, |
| 754 | remote_cpu_method, |
| 755 | ((print_headers) || |
| 756 | (result_brand == NULL)) ? "" : result_brand); |
| 757 | } |
| 758 | break; |
| 759 | case 1: |
| 760 | case 2: |
| 761 | if (print_headers) { |
| 762 | fprintf(where, |
| 763 | cpu_title, |
| 764 | format_units(), |
| 765 | local_cpu_method, |
| 766 | remote_cpu_method); |
| 767 | } |
| 768 | |
| 769 | fprintf(where, |
| 770 | cpu_fmt_1, /* the format string */ |
| 771 | rsr_size, /* remote recvbuf size */ |
| 772 | lss_size, /* local sendbuf size */ |
| 773 | send_size, /* how large were the sends */ |
| 774 | elapsed_time, /* how long was the test */ |
| 775 | thruput, /* what was the xfer rate */ |
| 776 | local_cpu_utilization, /* local cpu */ |
| 777 | remote_cpu_utilization, /* remote cpu */ |
| 778 | local_service_demand, /* local service demand */ |
| 779 | remote_service_demand, /* remote service demand */ |
| 780 | ((print_headers) || |
| 781 | (result_brand == NULL)) ? "" : result_brand); |
| 782 | break; |
| 783 | } |
| 784 | } |
| 785 | else { |
| 786 | /* The tester did not wish to measure service demand. */ |
| 787 | |
| 788 | switch (verbosity) { |
| 789 | case 0: |
| 790 | fprintf(where, |
| 791 | tput_fmt_0, |
| 792 | thruput, |
| 793 | ((print_headers) || |
| 794 | (result_brand == NULL)) ? "" : result_brand); |
| 795 | break; |
| 796 | case 1: |
| 797 | case 2: |
| 798 | if (print_headers) { |
| 799 | fprintf(where,tput_title,format_units()); |
| 800 | } |
| 801 | fprintf(where, |
| 802 | tput_fmt_1, /* the format string */ |
| 803 | rsr_size, /* remote recvbuf size */ |
| 804 | lss_size, /* local sendbuf size */ |
| 805 | send_size, /* how large were the sends */ |
| 806 | elapsed_time, /* how long did it take */ |
| 807 | thruput, /* how fast did it go */ |
| 808 | ((print_headers) || |
| 809 | (result_brand == NULL)) ? "" : result_brand); |
| 810 | break; |
| 811 | } |
| 812 | } |
| 813 | |
| 814 | /* it would be a good thing to include information about some of the */ |
| 815 | /* other parameters that may have been set for this test, but at the */ |
| 816 | /* moment, I do not wish to figure-out all the formatting, so I will */ |
| 817 | /* just put this comment here to help remind me that it is something */ |
| 818 | /* that should be done at a later time. */ |
| 819 | |
| 820 | if (verbosity > 1) { |
| 821 | /* The user wanted to know it all, so we will give it to him. */ |
| 822 | /* This information will include as much as we can find about */ |
| 823 | /* SDP statistics, the alignments of the sends and receives */ |
| 824 | /* and all that sort of rot... */ |
| 825 | |
| 826 | /* this stuff needs to be worked-out in the presence of confidence */ |
| 827 | /* intervals and multiple iterations of the test... raj 11/94 */ |
| 828 | |
| 829 | fprintf(where, |
| 830 | ksink_fmt, |
| 831 | "Bytes", |
| 832 | "Bytes", |
| 833 | "Bytes", |
| 834 | local_send_align, |
| 835 | remote_recv_align, |
| 836 | local_send_offset, |
| 837 | remote_recv_offset, |
| 838 | bytes_sent, |
| 839 | bytes_sent / (double)nummessages, |
| 840 | nummessages, |
| 841 | bytes_sent / (double)sdp_stream_result->recv_calls, |
| 842 | sdp_stream_result->recv_calls); |
| 843 | fprintf(where, |
| 844 | ksink_fmt2, |
| 845 | sdp_mss); |
| 846 | fflush(where); |
| 847 | #ifdef WANT_HISTOGRAM |
| 848 | fprintf(where,"\n\nHistogram of time spent in send() call.\n"); |
| 849 | fflush(where); |
| 850 | HIST_report(time_hist); |
| 851 | #endif /* WANT_HISTOGRAM */ |
| 852 | } |
| 853 | |
| 854 | } |
| 855 | |
| 856 | |
| 857 | |
| 858 | /* This routine implements the netperf-side SDP unidirectional data |
| 859 | transfer test (a.k.a. stream) for the sockets interface where the |
| 860 | data flow is from the netserver to the netperf. It receives its |
| 861 | parameters via global variables from the shell and writes its |
| 862 | output to the standard output. */ |
| 863 | |
| 864 | |
| 865 | void |
| 866 | send_sdp_maerts(char remote_host[]) |
| 867 | { |
| 868 | |
| 869 | char *tput_title = "\ |
| 870 | Recv Send Send \n\ |
| 871 | Socket Socket Message Elapsed \n\ |
| 872 | Size Size Size Time Throughput \n\ |
| 873 | bytes bytes bytes secs. %s/sec \n\n"; |
| 874 | |
| 875 | char *tput_fmt_0 = |
| 876 | "%7.2f %s\n"; |
| 877 | |
| 878 | char *tput_fmt_1 = |
| 879 | "%6d %6d %6d %-6.2f %7.2f \n %s"; |
| 880 | |
| 881 | char *cpu_title = "\ |
| 882 | Recv Send Send Utilization Service Demand\n\ |
| 883 | Socket Socket Message Elapsed Send Recv Send Recv\n\ |
| 884 | Size Size Size Time Throughput local remote local remote\n\ |
| 885 | bytes bytes bytes secs. %-8.8s/s %% %c %% %c us/KB us/KB\n\n"; |
| 886 | |
| 887 | char *cpu_fmt_0 = |
| 888 | "%6.3f %c %s\n"; |
| 889 | |
| 890 | char *cpu_fmt_1 = |
| 891 | "%6d %6d %6d %-6.2f %7.2f %-6.2f %-6.2f %-6.3f %-6.3f %s\n"; |
| 892 | |
| 893 | char *ksink_fmt = "\n\ |
| 894 | Alignment Offset %-8.8s %-8.8s Recvs %-8.8s Sends\n\ |
| 895 | Local Remote Local Remote Xfered Per Per\n\ |
| 896 | Recv Send Recv Send Recv (avg) Send (avg)\n\ |
| 897 | %5d %5d %5d %5d %6.4g %6.2f %6d %6.2f %6d\n"; |
| 898 | |
| 899 | char *ksink_fmt2 = "\n\ |
| 900 | Maximum\n\ |
| 901 | Segment\n\ |
| 902 | Size (bytes)\n\ |
| 903 | %6d\n"; |
| 904 | |
| 905 | |
| 906 | float elapsed_time; |
| 907 | |
| 908 | /* what we want is to have a buffer space that is at least one */ |
| 909 | /* recv-size greater than our recv window. this will insure that we */ |
| 910 | /* are never trying to re-use a buffer that may still be in the hands */ |
| 911 | /* of the transport. This buffer will be malloc'd after we have found */ |
| 912 | /* the size of the local senc socket buffer. We will want to deal */ |
| 913 | /* with alignment and offset concerns as well. */ |
| 914 | |
| 915 | struct ring_elt *recv_ring; |
| 916 | |
| 917 | int len; |
| 918 | unsigned int nummessages = 0; |
| 919 | SOCKET recv_socket; |
| 920 | int bytes_remaining; |
| 921 | int sdp_mss = -1; /* possibly uninitialized on printf far below */ |
| 922 | |
| 923 | /* with links like fddi, one can recv > 32 bits worth of bytes */ |
| 924 | /* during a test... ;-) at some point, this should probably become a */ |
| 925 | /* 64bit integral type, but those are not entirely common yet */ |
| 926 | double bytes_sent = 0.0; |
| 927 | unsigned long long local_bytes_recvd = 0; |
| 928 | |
| 929 | float local_cpu_utilization; |
| 930 | float local_service_demand; |
| 931 | float remote_cpu_utilization; |
| 932 | float remote_service_demand; |
| 933 | |
| 934 | double thruput; |
| 935 | |
| 936 | struct addrinfo *remote_res; |
| 937 | struct addrinfo *local_res; |
| 938 | |
| 939 | struct sdp_maerts_request_struct *sdp_maerts_request; |
| 940 | struct sdp_maerts_response_struct *sdp_maerts_response; |
| 941 | struct sdp_maerts_results_struct *sdp_maerts_result; |
| 942 | |
| 943 | sdp_maerts_request = |
| 944 | (struct sdp_maerts_request_struct *)netperf_request.content.test_specific_data; |
| 945 | sdp_maerts_response = |
| 946 | (struct sdp_maerts_response_struct *)netperf_response.content.test_specific_data; |
| 947 | sdp_maerts_result = |
| 948 | (struct sdp_maerts_results_struct *)netperf_response.content.test_specific_data; |
| 949 | |
| 950 | #ifdef WANT_HISTOGRAM |
| 951 | if (verbosity > 1) { |
| 952 | time_hist = HIST_new(); |
| 953 | } |
| 954 | #endif /* WANT_HISTOGRAM */ |
| 955 | /* since we are now disconnected from the code that established the */ |
| 956 | /* control socket, and since we want to be able to use different */ |
| 957 | /* protocols and such, we are passed the name of the remote host and */ |
| 958 | /* must turn that into the test specific addressing information. */ |
| 959 | |
| 960 | complete_addrinfos(&remote_res, |
| 961 | &local_res, |
| 962 | remote_host, |
| 963 | SOCK_STREAM, |
| 964 | IPPROTO_TCP, |
| 965 | 0); |
| 966 | |
| 967 | if ( print_headers ) { |
| 968 | print_top_test_header("SDP MAERTS TEST",local_res,remote_res); |
| 969 | } |
| 970 | |
| 971 | recv_ring = NULL; |
| 972 | confidence_iteration = 1; |
| 973 | init_stat(); |
| 974 | |
| 975 | /* we have a great-big while loop which controls the number of times */ |
| 976 | /* we run a particular test. this is for the calculation of a */ |
| 977 | /* confidence interval (I really should have stayed awake during */ |
| 978 | /* probstats :). If the user did not request confidence measurement */ |
| 979 | /* (no confidence is the default) then we will only go though the */ |
| 980 | /* loop once. the confidence stuff originates from the folks at IBM */ |
| 981 | |
| 982 | while (((confidence < 0) && (confidence_iteration < iteration_max)) || |
| 983 | (confidence_iteration <= iteration_min)) { |
| 984 | |
| 985 | /* initialize a few counters. we have to remember that we might be */ |
| 986 | /* going through the loop more than once. */ |
| 987 | |
| 988 | nummessages = 0; |
| 989 | bytes_sent = 0.0; |
| 990 | times_up = 0; |
| 991 | |
| 992 | /*set up the data socket */ |
| 993 | /* fake things out by changing local_res->ai_family to AF_INET_SDP */ |
| 994 | local_res->ai_family = AF_INET_SDP; |
| 995 | local_res->ai_protocol = 0; |
| 996 | recv_socket = create_data_socket(local_res); |
| 997 | |
| 998 | if (recv_socket == INVALID_SOCKET){ |
| 999 | perror("netperf: send_sdp_maerts: sdp stream data socket"); |
| 1000 | exit(1); |
| 1001 | } |
| 1002 | |
| 1003 | if (debug) { |
| 1004 | fprintf(where,"send_sdp_maerts: recv_socket obtained...\n"); |
| 1005 | } |
| 1006 | |
| 1007 | /* at this point, we have either retrieved the socket buffer sizes, */ |
| 1008 | /* or have tried to set them, so now, we may want to set the recv */ |
| 1009 | /* size based on that (because the user either did not use a -m */ |
| 1010 | /* option, or used one with an argument of 0). If the socket buffer */ |
| 1011 | /* size is not available, we will set the recv size to 4KB - no */ |
| 1012 | /* particular reason, just arbitrary... */ |
| 1013 | if (recv_size == 0) { |
| 1014 | if (lsr_size > 0) { |
| 1015 | recv_size = lsr_size; |
| 1016 | } |
| 1017 | else { |
| 1018 | recv_size = 4096; |
| 1019 | } |
| 1020 | } |
| 1021 | |
| 1022 | /* set-up the data buffer ring with the requested alignment and offset. */ |
| 1023 | /* note also that we have allocated a quantity */ |
| 1024 | /* of memory that is at least one recv-size greater than our socket */ |
| 1025 | /* buffer size. We want to be sure that there are at least two */ |
| 1026 | /* buffers allocated - this can be a bit of a problem when the */ |
| 1027 | /* recv_size is bigger than the socket size, so we must check... the */ |
| 1028 | /* user may have wanted to explicitly set the "width" of our recv */ |
| 1029 | /* buffers, we should respect that wish... */ |
| 1030 | if (recv_width == 0) { |
| 1031 | recv_width = (lsr_size/recv_size) + 1; |
| 1032 | if (recv_width == 1) recv_width++; |
| 1033 | } |
| 1034 | |
| 1035 | if (recv_ring == NULL) { |
| 1036 | /* only allocate the recv ring once. this is a networking test, */ |
| 1037 | /* not a memory allocation test. this way, we do not need a */ |
| 1038 | /* deallocate_buffer_ring() routine, and I don't feel like */ |
| 1039 | /* writing one anyway :) raj 11/94 */ |
| 1040 | recv_ring = allocate_buffer_ring(recv_width, |
| 1041 | recv_size, |
| 1042 | local_recv_align, |
| 1043 | local_recv_offset); |
| 1044 | } |
| 1045 | |
| 1046 | /* If the user has requested cpu utilization measurements, we must */ |
| 1047 | /* calibrate the cpu(s). We will perform this task within the tests */ |
| 1048 | /* themselves. If the user has specified the cpu rate, then */ |
| 1049 | /* calibrate_local_cpu will return rather quickly as it will have */ |
| 1050 | /* nothing to do. If local_cpu_rate is zero, then we will go through */ |
| 1051 | /* all the "normal" calibration stuff and return the rate back. */ |
| 1052 | |
| 1053 | if (local_cpu_usage) { |
| 1054 | local_cpu_rate = calibrate_local_cpu(local_cpu_rate); |
| 1055 | } |
| 1056 | |
| 1057 | if (!no_control) { |
| 1058 | /* Tell the remote end to do a listen. The server alters the |
| 1059 | socket paramters on the other side at this point, hence the |
| 1060 | reason for all the values being passed in the setup |
| 1061 | message. If the user did not specify any of the parameters, |
| 1062 | they will be passed as 0, which will indicate to the remote |
| 1063 | that no changes beyond the system's default should be |
| 1064 | used. Alignment is the exception, it will default to 1, which |
| 1065 | will be no alignment alterations. */ |
| 1066 | |
| 1067 | netperf_request.content.request_type = DO_SDP_MAERTS; |
| 1068 | sdp_maerts_request->send_buf_size = rss_size_req; |
| 1069 | sdp_maerts_request->recv_buf_size = rsr_size_req; |
| 1070 | sdp_maerts_request->send_size = send_size; |
| 1071 | sdp_maerts_request->no_delay = rem_nodelay; |
| 1072 | sdp_maerts_request->send_alignment = remote_send_align; |
| 1073 | sdp_maerts_request->send_offset = remote_send_offset; |
| 1074 | sdp_maerts_request->measure_cpu = remote_cpu_usage; |
| 1075 | sdp_maerts_request->cpu_rate = remote_cpu_rate; |
| 1076 | if (test_time) { |
| 1077 | sdp_maerts_request->test_length = test_time; |
| 1078 | } |
| 1079 | else { |
| 1080 | sdp_maerts_request->test_length = test_bytes; |
| 1081 | } |
| 1082 | sdp_maerts_request->so_rcvavoid = rem_rcvavoid; |
| 1083 | sdp_maerts_request->so_sndavoid = rem_sndavoid; |
| 1084 | #ifdef DIRTY |
| 1085 | sdp_maerts_request->dirty_count = rem_dirty_count; |
| 1086 | sdp_maerts_request->clean_count = rem_clean_count; |
| 1087 | #endif /* DIRTY */ |
| 1088 | sdp_maerts_request->port = atoi(remote_data_port); |
| 1089 | sdp_maerts_request->ipfamily = af_to_nf(remote_res->ai_family); |
| 1090 | if (debug > 1) { |
| 1091 | fprintf(where, |
| 1092 | "netperf: send_sdp_maerts: requesting SDP maerts test\n"); |
| 1093 | } |
| 1094 | |
| 1095 | send_request(); |
| 1096 | |
| 1097 | /* The response from the remote will contain all of the relevant |
| 1098 | socket parameters for this test type. We will put them back |
| 1099 | into the variables here so they can be displayed if desired. |
| 1100 | The remote will have calibrated CPU if necessary, and will |
| 1101 | have done all the needed set-up we will have calibrated the |
| 1102 | cpu locally before sending the request, and will grab the |
| 1103 | counter value right after the connect returns. The remote |
| 1104 | will grab the counter right after the accept call. This saves |
| 1105 | the hassle of extra messages being sent for the SDP |
| 1106 | tests. */ |
| 1107 | |
| 1108 | recv_response(); |
| 1109 | |
| 1110 | if (!netperf_response.content.serv_errno) { |
| 1111 | if (debug) |
| 1112 | fprintf(where,"remote listen done.\n"); |
| 1113 | rsr_size = sdp_maerts_response->recv_buf_size; |
| 1114 | rss_size = sdp_maerts_response->send_buf_size; |
| 1115 | rem_nodelay = sdp_maerts_response->no_delay; |
| 1116 | remote_cpu_usage= sdp_maerts_response->measure_cpu; |
| 1117 | remote_cpu_rate = sdp_maerts_response->cpu_rate; |
| 1118 | send_size = sdp_maerts_response->send_size; |
| 1119 | |
| 1120 | /* we have to make sure that the server port number is in |
| 1121 | network order */ |
| 1122 | set_port_number(remote_res, |
| 1123 | (short)sdp_maerts_response->data_port_number); |
| 1124 | rem_rcvavoid = sdp_maerts_response->so_rcvavoid; |
| 1125 | rem_sndavoid = sdp_maerts_response->so_sndavoid; |
| 1126 | } |
| 1127 | else { |
| 1128 | Set_errno(netperf_response.content.serv_errno); |
| 1129 | fprintf(where, |
| 1130 | "netperf: remote error %d", |
| 1131 | netperf_response.content.serv_errno); |
| 1132 | perror(""); |
| 1133 | fflush(where); |
| 1134 | |
| 1135 | exit(1); |
| 1136 | } |
| 1137 | } |
| 1138 | |
| 1139 | #ifdef WANT_DEMO |
| 1140 | DEMO_STREAM_SETUP(lsr_size,rss_size) |
| 1141 | #endif |
| 1142 | |
| 1143 | /*Connect up to the remote port on the data socket */ |
| 1144 | if (connect(recv_socket, |
| 1145 | remote_res->ai_addr, |
| 1146 | remote_res->ai_addrlen) == INVALID_SOCKET){ |
| 1147 | perror("netperf: send_sdp_maerts: data socket connect failed"); |
| 1148 | exit(1); |
| 1149 | } |
| 1150 | |
| 1151 | /* Data Socket set-up is finished. If there were problems, either */ |
| 1152 | /* the connect would have failed, or the previous response would */ |
| 1153 | /* have indicated a problem. I failed to see the value of the */ |
| 1154 | /* extra message after the accept on the remote. If it failed, */ |
| 1155 | /* we'll see it here. If it didn't, we might as well start pumping */ |
| 1156 | /* data. */ |
| 1157 | |
| 1158 | /* Set-up the test end conditions. For a maerts test, they can be */ |
| 1159 | /* either time or byte-count based. */ |
| 1160 | |
| 1161 | if (test_time) { |
| 1162 | /* The user wanted to end the test after a period of time. */ |
| 1163 | times_up = 0; |
| 1164 | bytes_remaining = 0; |
| 1165 | /* in previous revisions, we had the same code repeated throught */ |
| 1166 | /* all the test suites. this was unnecessary, and meant more */ |
| 1167 | /* work for me when I wanted to switch to POSIX signals, so I */ |
| 1168 | /* have abstracted this out into a routine in netlib.c. if you */ |
| 1169 | /* are experiencing signal problems, you might want to look */ |
| 1170 | /* there. raj 11/94 */ |
| 1171 | if (!no_control) { |
| 1172 | /* this is a netperf to netserver test, netserver will close |
| 1173 | to tell us the test is over, so use PAD_TIME to avoid |
| 1174 | causing the netserver fits. */ |
| 1175 | start_timer(test_time + PAD_TIME); |
| 1176 | } |
| 1177 | else { |
| 1178 | /* this is a netperf to data source test, no PAD_TIME */ |
| 1179 | start_timer(test_time); |
| 1180 | } |
| 1181 | } |
| 1182 | else { |
| 1183 | /* The tester wanted to recv a number of bytes. we don't do that |
| 1184 | in a SDP_MAERTS test. sorry. raj 2002-06-21 */ |
| 1185 | printf("netperf: send_sdp_maerts: test must be timed\n"); |
| 1186 | exit(1); |
| 1187 | } |
| 1188 | |
| 1189 | /* The cpu_start routine will grab the current time and possibly */ |
| 1190 | /* value of the idle counter for later use in measuring cpu */ |
| 1191 | /* utilization and/or service demand and thruput. */ |
| 1192 | |
| 1193 | cpu_start(local_cpu_usage); |
| 1194 | |
| 1195 | #ifdef WANT_INTERVALS |
| 1196 | INTERVALS_INIT(); |
| 1197 | #endif /* WANT_INTERVALS */ |
| 1198 | |
| 1199 | /* before we start, initialize a few variables */ |
| 1200 | |
| 1201 | #ifdef WANT_DEMO |
| 1202 | if (demo_mode) { |
| 1203 | HIST_timestamp(demo_one_ptr); |
| 1204 | } |
| 1205 | #endif |
| 1206 | |
| 1207 | /* the test will continue until we either get a zero-byte recv() |
| 1208 | on the socket or our failsafe timer expires. most of the time |
| 1209 | we trust that we get a zero-byte recieve from the socket. raj |
| 1210 | 2002-06-21 */ |
| 1211 | |
| 1212 | #ifdef WANT_HISTOGRAM |
| 1213 | if (verbosity > 1) { |
| 1214 | /* timestamp just before we go into recv and then again just |
| 1215 | after we come out raj 8/94 */ |
| 1216 | /* but only if we are actually going to display a histogram. raj |
| 1217 | 2006-02-07 */ |
| 1218 | HIST_timestamp(&time_one); |
| 1219 | } |
| 1220 | #endif /* WANT_HISTOGRAM */ |
| 1221 | |
| 1222 | while ((!times_up) && (len=recv(recv_socket, |
| 1223 | recv_ring->buffer_ptr, |
| 1224 | recv_size, |
| 1225 | 0)) > 0 ) { |
| 1226 | |
| 1227 | #ifdef WANT_HISTOGRAM |
| 1228 | if (verbosity > 1) { |
| 1229 | /* timestamp the exit from the recv call and update the histogram */ |
| 1230 | HIST_timestamp(&time_two); |
| 1231 | HIST_add(time_hist,delta_micro(&time_one,&time_two)); |
| 1232 | } |
| 1233 | #endif /* WANT_HISTOGRAM */ |
| 1234 | |
| 1235 | #ifdef DIRTY |
| 1236 | access_buffer(recv_ring->buffer_ptr, |
| 1237 | recv_size, |
| 1238 | loc_dirty_count, |
| 1239 | loc_clean_count); |
| 1240 | #endif /* DIRTY */ |
| 1241 | |
| 1242 | #ifdef WANT_DEMO |
| 1243 | DEMO_STREAM_INTERVAL(len); |
| 1244 | #endif |
| 1245 | |
| 1246 | #ifdef WANT_INTERVALS |
| 1247 | INTERVALS_WAIT(); |
| 1248 | #endif /* WANT_INTERVALS */ |
| 1249 | |
| 1250 | /* now we want to move our pointer to the next position in the */ |
| 1251 | /* data buffer...we may also want to wrap back to the "beginning" */ |
| 1252 | /* of the bufferspace, so we will mod the number of messages sent */ |
| 1253 | /* by the recv width, and use that to calculate the offset to add */ |
| 1254 | /* to the base pointer. */ |
| 1255 | nummessages++; |
| 1256 | recv_ring = recv_ring->next; |
| 1257 | if (bytes_remaining) { |
| 1258 | bytes_remaining -= len; |
| 1259 | } |
| 1260 | |
| 1261 | local_bytes_recvd += len; |
| 1262 | |
| 1263 | #ifdef WANT_HISTOGRAM |
| 1264 | if (verbosity > 1) { |
| 1265 | /* make sure we timestamp just before we go into recv */ |
| 1266 | /* raj 2004-06-15 */ |
| 1267 | HIST_timestamp(&time_one); |
| 1268 | } |
| 1269 | #endif /* WANT_HISTOGRAM */ |
| 1270 | |
| 1271 | } |
| 1272 | |
| 1273 | /* an EINTR is to be expected when this is a no_control test */ |
| 1274 | if (((len < 0) || SOCKET_EINTR(len)) && (!no_control)) { |
| 1275 | perror("send_sdp_maerts: data recv error"); |
| 1276 | printf("len was %d\n",len); |
| 1277 | exit(1); |
| 1278 | } |
| 1279 | |
| 1280 | /* if we get here, it must mean we had a recv return of 0 before |
| 1281 | the watchdog timer expired, or the watchdog timer expired and |
| 1282 | this was a no_control test */ |
| 1283 | |
| 1284 | /* The test is over. Flush the buffers to the remote end. We do a |
| 1285 | graceful release to tell the remote we have all the data. */ |
| 1286 | |
| 1287 | /* but first, if the verbosity is greater than 1, find-out what */ |
| 1288 | /* the SDP maximum segment_size was (if possible) */ |
| 1289 | if (verbosity > 1) { |
| 1290 | sdp_mss = -1; |
| 1291 | get_sdp_info(recv_socket,&sdp_mss); |
| 1292 | } |
| 1293 | |
| 1294 | if (shutdown(recv_socket,SHUT_WR) == SOCKET_ERROR) { |
| 1295 | perror("netperf: cannot shutdown sdp maerts socket"); |
| 1296 | exit(1); |
| 1297 | } |
| 1298 | |
| 1299 | stop_timer(); |
| 1300 | |
| 1301 | /* this call will always give us the local elapsed time for the |
| 1302 | test, and will also store-away the necessaries for cpu |
| 1303 | utilization */ |
| 1304 | |
| 1305 | cpu_stop(local_cpu_usage,&elapsed_time); /* was cpu being */ |
| 1306 | /* measured and how */ |
| 1307 | /* long did we really */ |
| 1308 | /* run? */ |
| 1309 | |
| 1310 | /* we are finished with the socket, so close it to prevent hitting */ |
| 1311 | /* the limit on maximum open files. */ |
| 1312 | |
| 1313 | close(recv_socket); |
| 1314 | |
| 1315 | if (!no_control) { |
| 1316 | /* Get the statistics from the remote end. The remote will have |
| 1317 | calculated service demand and all those interesting |
| 1318 | things. If it wasn't supposed to care, it will return obvious |
| 1319 | values. */ |
| 1320 | |
| 1321 | recv_response(); |
| 1322 | if (!netperf_response.content.serv_errno) { |
| 1323 | if (debug) |
| 1324 | fprintf(where,"remote results obtained\n"); |
| 1325 | } |
| 1326 | else { |
| 1327 | Set_errno(netperf_response.content.serv_errno); |
| 1328 | fprintf(where, |
| 1329 | "netperf: remote error %d", |
| 1330 | netperf_response.content.serv_errno); |
| 1331 | perror(""); |
| 1332 | fflush(where); |
| 1333 | |
| 1334 | exit(1); |
| 1335 | } |
| 1336 | |
| 1337 | /* We now calculate what our thruput was for the test. In the |
| 1338 | future, we may want to include a calculation of the thruput |
| 1339 | measured by the remote, but it should be the case that for a |
| 1340 | SDP maerts test, that the two numbers should be *very* |
| 1341 | close... We calculate bytes_sent regardless of the way the |
| 1342 | test length was controlled. If it was time, we needed to, |
| 1343 | and if it was by bytes, the user may have specified a number |
| 1344 | of bytes that wasn't a multiple of the recv_size, so we |
| 1345 | really didn't recv what he asked for ;-) */ |
| 1346 | |
| 1347 | bytes_sent = ntohd(sdp_maerts_result->bytes_sent); |
| 1348 | } |
| 1349 | else { |
| 1350 | bytes_sent = (double)local_bytes_recvd; |
| 1351 | } |
| 1352 | |
| 1353 | |
| 1354 | thruput = calc_thruput(bytes_sent); |
| 1355 | |
| 1356 | if (local_cpu_usage || remote_cpu_usage) { |
| 1357 | /* We must now do a little math for service demand and cpu */ |
| 1358 | /* utilization for the system(s) */ |
| 1359 | /* Of course, some of the information might be bogus because */ |
| 1360 | /* there was no idle counter in the kernel(s). We need to make */ |
| 1361 | /* a note of this for the user's benefit...*/ |
| 1362 | if (local_cpu_usage) { |
| 1363 | |
| 1364 | local_cpu_utilization = calc_cpu_util(0.0); |
| 1365 | local_service_demand = calc_service_demand(bytes_sent, |
| 1366 | 0.0, |
| 1367 | 0.0, |
| 1368 | 0); |
| 1369 | } |
| 1370 | else { |
| 1371 | local_cpu_utilization = (float) -1.0; |
| 1372 | local_service_demand = (float) -1.0; |
| 1373 | } |
| 1374 | |
| 1375 | if (remote_cpu_usage) { |
| 1376 | |
| 1377 | remote_cpu_utilization = sdp_maerts_result->cpu_util; |
| 1378 | remote_service_demand = calc_service_demand(bytes_sent, |
| 1379 | 0.0, |
| 1380 | remote_cpu_utilization, |
| 1381 | sdp_maerts_result->num_cpus); |
| 1382 | } |
| 1383 | else { |
| 1384 | remote_cpu_utilization = (float) -1.0; |
| 1385 | remote_service_demand = (float) -1.0; |
| 1386 | } |
| 1387 | } |
| 1388 | else { |
| 1389 | /* we were not measuring cpu, for the confidence stuff, we */ |
| 1390 | /* should make it -1.0 */ |
| 1391 | local_cpu_utilization = (float) -1.0; |
| 1392 | local_service_demand = (float) -1.0; |
| 1393 | remote_cpu_utilization = (float) -1.0; |
| 1394 | remote_service_demand = (float) -1.0; |
| 1395 | } |
| 1396 | |
| 1397 | /* at this point, we want to calculate the confidence information. */ |
| 1398 | /* if debugging is on, calculate_confidence will print-out the */ |
| 1399 | /* parameters we pass it */ |
| 1400 | |
| 1401 | calculate_confidence(confidence_iteration, |
| 1402 | elapsed_time, |
| 1403 | thruput, |
| 1404 | local_cpu_utilization, |
| 1405 | remote_cpu_utilization, |
| 1406 | local_service_demand, |
| 1407 | remote_service_demand); |
| 1408 | |
| 1409 | |
| 1410 | confidence_iteration++; |
| 1411 | } |
| 1412 | |
| 1413 | /* at this point, we have finished making all the runs that we */ |
| 1414 | /* will be making. so, we should extract what the calcuated values */ |
| 1415 | /* are for all the confidence stuff. we could make the values */ |
| 1416 | /* global, but that seemed a little messy, and it did not seem worth */ |
| 1417 | /* all the mucking with header files. so, we create a routine much */ |
| 1418 | /* like calcualte_confidence, which just returns the mean values. */ |
| 1419 | /* raj 11/94 */ |
| 1420 | |
| 1421 | retrieve_confident_values(&elapsed_time, |
| 1422 | &thruput, |
| 1423 | &local_cpu_utilization, |
| 1424 | &remote_cpu_utilization, |
| 1425 | &local_service_demand, |
| 1426 | &remote_service_demand); |
| 1427 | |
| 1428 | /* We are now ready to print all the information. If the user */ |
| 1429 | /* has specified zero-level verbosity, we will just print the */ |
| 1430 | /* local service demand, or the remote service demand. If the */ |
| 1431 | /* user has requested verbosity level 1, he will get the basic */ |
| 1432 | /* "streamperf" numbers. If the user has specified a verbosity */ |
| 1433 | /* of greater than 1, we will display a veritable plethora of */ |
| 1434 | /* background information from outside of this block as it it */ |
| 1435 | /* not cpu_measurement specific... */ |
| 1436 | |
| 1437 | if (confidence < 0) { |
| 1438 | /* we did not hit confidence, but were we asked to look for it? */ |
| 1439 | if (iteration_max > 1) { |
| 1440 | display_confidence(); |
| 1441 | } |
| 1442 | } |
| 1443 | |
| 1444 | if (local_cpu_usage || remote_cpu_usage) { |
| 1445 | local_cpu_method = format_cpu_method(cpu_method); |
| 1446 | remote_cpu_method = format_cpu_method(sdp_maerts_result->cpu_method); |
| 1447 | |
| 1448 | switch (verbosity) { |
| 1449 | case 0: |
| 1450 | if (local_cpu_usage) { |
| 1451 | fprintf(where, |
| 1452 | cpu_fmt_0, |
| 1453 | local_service_demand, |
| 1454 | local_cpu_method, |
| 1455 | ((print_headers) || |
| 1456 | (result_brand == NULL)) ? "" : result_brand); |
| 1457 | } |
| 1458 | else { |
| 1459 | fprintf(where, |
| 1460 | cpu_fmt_0, |
| 1461 | remote_service_demand, |
| 1462 | remote_cpu_method, |
| 1463 | ((print_headers) || |
| 1464 | (result_brand == NULL)) ? "" : result_brand); |
| 1465 | } |
| 1466 | break; |
| 1467 | case 1: |
| 1468 | case 2: |
| 1469 | if (print_headers) { |
| 1470 | fprintf(where, |
| 1471 | cpu_title, |
| 1472 | format_units(), |
| 1473 | local_cpu_method, |
| 1474 | remote_cpu_method); |
| 1475 | } |
| 1476 | |
| 1477 | fprintf(where, |
| 1478 | cpu_fmt_1, /* the format string */ |
| 1479 | rsr_size, /* remote recvbuf size */ |
| 1480 | lss_size, /* local sendbuf size */ |
| 1481 | send_size, /* how large were the recvs */ |
| 1482 | elapsed_time, /* how long was the test */ |
| 1483 | thruput, /* what was the xfer rate */ |
| 1484 | local_cpu_utilization, /* local cpu */ |
| 1485 | remote_cpu_utilization, /* remote cpu */ |
| 1486 | local_service_demand, /* local service demand */ |
| 1487 | remote_service_demand, /* remote service demand */ |
| 1488 | ((print_headers) || |
| 1489 | (result_brand == NULL)) ? "" : result_brand); |
| 1490 | break; |
| 1491 | } |
| 1492 | } |
| 1493 | else { |
| 1494 | /* The tester did not wish to measure service demand. */ |
| 1495 | |
| 1496 | switch (verbosity) { |
| 1497 | case 0: |
| 1498 | fprintf(where, |
| 1499 | tput_fmt_0, |
| 1500 | thruput, |
| 1501 | ((print_headers) || |
| 1502 | (result_brand == NULL)) ? "" : result_brand); |
| 1503 | break; |
| 1504 | case 1: |
| 1505 | case 2: |
| 1506 | if (print_headers) { |
| 1507 | fprintf(where,tput_title,format_units()); |
| 1508 | } |
| 1509 | fprintf(where, |
| 1510 | tput_fmt_1, /* the format string */ |
| 1511 | lsr_size, /* local recvbuf size */ |
| 1512 | rss_size, /* remot sendbuf size */ |
| 1513 | send_size, /* how large were the recvs */ |
| 1514 | elapsed_time, /* how long did it take */ |
| 1515 | thruput, /* how fast did it go */ |
| 1516 | ((print_headers) || |
| 1517 | (result_brand == NULL)) ? "" : result_brand); |
| 1518 | break; |
| 1519 | } |
| 1520 | } |
| 1521 | |
| 1522 | /* it would be a good thing to include information about some of the */ |
| 1523 | /* other parameters that may have been set for this test, but at the */ |
| 1524 | /* moment, I do not wish to figure-out all the formatting, so I will */ |
| 1525 | /* just put this comment here to help remind me that it is something */ |
| 1526 | /* that should be done at a later time. */ |
| 1527 | |
| 1528 | if (verbosity > 1) { |
| 1529 | /* The user wanted to know it all, so we will give it to him. */ |
| 1530 | /* This information will include as much as we can find about */ |
| 1531 | /* SDP statistics, the alignments of the sends and receives */ |
| 1532 | /* and all that sort of rot... */ |
| 1533 | |
| 1534 | /* this stuff needs to be worked-out in the presence of confidence */ |
| 1535 | /* intervals and multiple iterations of the test... raj 11/94 */ |
| 1536 | |
| 1537 | fprintf(where, |
| 1538 | ksink_fmt, |
| 1539 | "Bytes", |
| 1540 | "Bytes", |
| 1541 | "Bytes", |
| 1542 | local_recv_align, |
| 1543 | remote_recv_align, |
| 1544 | local_recv_offset, |
| 1545 | remote_recv_offset, |
| 1546 | bytes_sent, |
| 1547 | bytes_sent / (double)nummessages, |
| 1548 | nummessages, |
| 1549 | bytes_sent / (double)sdp_maerts_result->send_calls, |
| 1550 | sdp_maerts_result->send_calls); |
| 1551 | fprintf(where, |
| 1552 | ksink_fmt2, |
| 1553 | sdp_mss); |
| 1554 | fflush(where); |
| 1555 | #ifdef WANT_HISTOGRAM |
| 1556 | fprintf(where,"\n\nHistogram of time spent in recv() call.\n"); |
| 1557 | fflush(where); |
| 1558 | HIST_report(time_hist); |
| 1559 | #endif /* WANT_HISTOGRAM */ |
| 1560 | } |
| 1561 | |
| 1562 | } |
| 1563 | /* This is the server-side routine for the sdp stream test. It is */ |
| 1564 | /* implemented as one routine. I could break things-out somewhat, but */ |
| 1565 | /* didn't feel it was necessary. */ |
| 1566 | |
| 1567 | void |
| 1568 | recv_sdp_stream() |
| 1569 | { |
| 1570 | |
| 1571 | struct sockaddr_in myaddr_in, peeraddr_in; |
| 1572 | SOCKET s_listen,s_data; |
| 1573 | netperf_socklen_t addrlen; |
| 1574 | int len; |
| 1575 | unsigned int receive_calls; |
| 1576 | float elapsed_time; |
| 1577 | double bytes_received; |
| 1578 | |
| 1579 | struct ring_elt *recv_ring; |
| 1580 | |
| 1581 | struct addrinfo *local_res; |
| 1582 | char local_name[BUFSIZ]; |
| 1583 | char port_buffer[PORTBUFSIZE]; |
| 1584 | |
| 1585 | #ifdef DO_SELECT |
| 1586 | fd_set readfds; |
| 1587 | struct timeval timeout; |
| 1588 | #endif /* DO_SELECT */ |
| 1589 | |
| 1590 | struct sdp_stream_request_struct *sdp_stream_request; |
| 1591 | struct sdp_stream_response_struct *sdp_stream_response; |
| 1592 | struct sdp_stream_results_struct *sdp_stream_results; |
| 1593 | |
| 1594 | #ifdef DO_SELECT |
| 1595 | FD_ZERO(&readfds); |
| 1596 | timeout.tv_sec = 1; |
| 1597 | timeout.tv_usec = 0; |
| 1598 | #endif /* DO_SELECT */ |
| 1599 | |
| 1600 | sdp_stream_request = |
| 1601 | (struct sdp_stream_request_struct *)netperf_request.content.test_specific_data; |
| 1602 | sdp_stream_response = |
| 1603 | (struct sdp_stream_response_struct *)netperf_response.content.test_specific_data; |
| 1604 | sdp_stream_results = |
| 1605 | (struct sdp_stream_results_struct *)netperf_response.content.test_specific_data; |
| 1606 | |
| 1607 | if (debug) { |
| 1608 | fprintf(where,"netserver: recv_sdp_stream: entered...\n"); |
| 1609 | fflush(where); |
| 1610 | } |
| 1611 | |
| 1612 | /* We want to set-up the listen socket with all the desired */ |
| 1613 | /* parameters and then let the initiator know that all is ready. If */ |
| 1614 | /* socket size defaults are to be used, then the initiator will have */ |
| 1615 | /* sent us 0's. If the socket sizes cannot be changed, then we will */ |
| 1616 | /* send-back what they are. If that information cannot be determined, */ |
| 1617 | /* then we send-back -1's for the sizes. If things go wrong for any */ |
| 1618 | /* reason, we will drop back ten yards and punt. */ |
| 1619 | |
| 1620 | /* If anything goes wrong, we want the remote to know about it. It */ |
| 1621 | /* would be best if the error that the remote reports to the user is */ |
| 1622 | /* the actual error we encountered, rather than some bogus unexpected */ |
| 1623 | /* response type message. */ |
| 1624 | |
| 1625 | if (debug) { |
| 1626 | fprintf(where,"recv_sdp_stream: setting the response type...\n"); |
| 1627 | fflush(where); |
| 1628 | } |
| 1629 | |
| 1630 | netperf_response.content.response_type = SDP_STREAM_RESPONSE; |
| 1631 | |
| 1632 | if (debug) { |
| 1633 | fprintf(where,"recv_sdp_stream: the response type is set...\n"); |
| 1634 | fflush(where); |
| 1635 | } |
| 1636 | |
| 1637 | /* We now alter the message_ptr variable to be at the desired */ |
| 1638 | /* alignment with the desired offset. */ |
| 1639 | |
| 1640 | if (debug) { |
| 1641 | fprintf(where,"recv_sdp_stream: requested alignment of %d\n", |
| 1642 | sdp_stream_request->recv_alignment); |
| 1643 | fflush(where); |
| 1644 | } |
| 1645 | |
| 1646 | /* create_data_socket expects to find some things in the global */ |
| 1647 | /* variables, so set the globals based on the values in the request. */ |
| 1648 | /* once the socket has been created, we will set the response values */ |
| 1649 | /* based on the updated value of those globals. raj 7/94 */ |
| 1650 | lss_size_req = sdp_stream_request->send_buf_size; |
| 1651 | lsr_size_req = sdp_stream_request->recv_buf_size; |
| 1652 | loc_nodelay = sdp_stream_request->no_delay; |
| 1653 | loc_rcvavoid = sdp_stream_request->so_rcvavoid; |
| 1654 | loc_sndavoid = sdp_stream_request->so_sndavoid; |
| 1655 | |
| 1656 | set_hostname_and_port(local_name, |
| 1657 | port_buffer, |
| 1658 | nf_to_af(sdp_stream_request->ipfamily), |
| 1659 | sdp_stream_request->port); |
| 1660 | |
| 1661 | local_res = complete_addrinfo(local_name, |
| 1662 | local_name, |
| 1663 | port_buffer, |
| 1664 | nf_to_af(sdp_stream_request->ipfamily), |
| 1665 | SOCK_STREAM, |
| 1666 | IPPROTO_TCP, |
| 1667 | 0); |
| 1668 | |
| 1669 | /* fake things out by changing local_res->ai_family to AF_INET_SDP */ |
| 1670 | local_res->ai_family = AF_INET_SDP; |
| 1671 | local_res->ai_protocol = 0; |
| 1672 | s_listen = create_data_socket(local_res); |
| 1673 | |
| 1674 | if (s_listen == INVALID_SOCKET) { |
| 1675 | netperf_response.content.serv_errno = errno; |
| 1676 | send_response(); |
| 1677 | exit(1); |
| 1678 | } |
| 1679 | |
| 1680 | #ifdef WIN32 |
| 1681 | /* The test timer can fire during operations on the listening socket, |
| 1682 | so to make the start_timer below work we have to move |
| 1683 | it to close s_listen while we are blocked on accept. */ |
| 1684 | win_kludge_socket2 = s_listen; |
| 1685 | #endif |
| 1686 | |
| 1687 | /* what sort of sizes did we end-up with? */ |
| 1688 | if (sdp_stream_request->receive_size == 0) { |
| 1689 | if (lsr_size > 0) { |
| 1690 | recv_size = lsr_size; |
| 1691 | } |
| 1692 | else { |
| 1693 | recv_size = 4096; |
| 1694 | } |
| 1695 | } |
| 1696 | else { |
| 1697 | recv_size = sdp_stream_request->receive_size; |
| 1698 | } |
| 1699 | |
| 1700 | /* we want to set-up our recv_ring in a manner analagous to what we */ |
| 1701 | /* do on the sending side. this is more for the sake of symmetry */ |
| 1702 | /* than for the needs of say copy avoidance, but it might also be */ |
| 1703 | /* more realistic - this way one could conceivably go with a */ |
| 1704 | /* double-buffering scheme when taking the data an putting it into */ |
| 1705 | /* the filesystem or something like that. raj 7/94 */ |
| 1706 | |
| 1707 | if (recv_width == 0) { |
| 1708 | recv_width = (lsr_size/recv_size) + 1; |
| 1709 | if (recv_width == 1) recv_width++; |
| 1710 | } |
| 1711 | |
| 1712 | recv_ring = allocate_buffer_ring(recv_width, |
| 1713 | recv_size, |
| 1714 | sdp_stream_request->recv_alignment, |
| 1715 | sdp_stream_request->recv_offset); |
| 1716 | |
| 1717 | if (debug) { |
| 1718 | fprintf(where,"recv_sdp_stream: receive alignment and offset set...\n"); |
| 1719 | fflush(where); |
| 1720 | } |
| 1721 | |
| 1722 | /* Now, let's set-up the socket to listen for connections */ |
| 1723 | if (listen(s_listen, 5) == SOCKET_ERROR) { |
| 1724 | netperf_response.content.serv_errno = errno; |
| 1725 | close(s_listen); |
| 1726 | send_response(); |
| 1727 | |
| 1728 | exit(1); |
| 1729 | } |
| 1730 | |
| 1731 | |
| 1732 | /* now get the port number assigned by the system */ |
| 1733 | addrlen = sizeof(myaddr_in); |
| 1734 | if (getsockname(s_listen, |
| 1735 | (struct sockaddr *)&myaddr_in, |
| 1736 | &addrlen) == SOCKET_ERROR){ |
| 1737 | netperf_response.content.serv_errno = errno; |
| 1738 | close(s_listen); |
| 1739 | send_response(); |
| 1740 | |
| 1741 | exit(1); |
| 1742 | } |
| 1743 | |
| 1744 | /* Now myaddr_in contains the port and the internet address this is */ |
| 1745 | /* returned to the sender also implicitly telling the sender that the */ |
| 1746 | /* socket buffer sizing has been done. */ |
| 1747 | |
| 1748 | sdp_stream_response->data_port_number = (int) ntohs(myaddr_in.sin_port); |
| 1749 | netperf_response.content.serv_errno = 0; |
| 1750 | |
| 1751 | /* But wait, there's more. If the initiator wanted cpu measurements, */ |
| 1752 | /* then we must call the calibrate routine, which will return the max */ |
| 1753 | /* rate back to the initiator. If the CPU was not to be measured, or */ |
| 1754 | /* something went wrong with the calibration, we will return a -1 to */ |
| 1755 | /* the initiator. */ |
| 1756 | |
| 1757 | sdp_stream_response->cpu_rate = (float)0.0; /* assume no cpu */ |
| 1758 | if (sdp_stream_request->measure_cpu) { |
| 1759 | sdp_stream_response->measure_cpu = 1; |
| 1760 | sdp_stream_response->cpu_rate = |
| 1761 | calibrate_local_cpu(sdp_stream_request->cpu_rate); |
| 1762 | } |
| 1763 | else { |
| 1764 | sdp_stream_response->measure_cpu = 0; |
| 1765 | } |
| 1766 | |
| 1767 | /* before we send the response back to the initiator, pull some of */ |
| 1768 | /* the socket parms from the globals */ |
| 1769 | sdp_stream_response->send_buf_size = lss_size; |
| 1770 | sdp_stream_response->recv_buf_size = lsr_size; |
| 1771 | sdp_stream_response->no_delay = loc_nodelay; |
| 1772 | sdp_stream_response->so_rcvavoid = loc_rcvavoid; |
| 1773 | sdp_stream_response->so_sndavoid = loc_sndavoid; |
| 1774 | sdp_stream_response->receive_size = recv_size; |
| 1775 | |
| 1776 | send_response(); |
| 1777 | |
| 1778 | addrlen = sizeof(peeraddr_in); |
| 1779 | |
| 1780 | if ((s_data=accept(s_listen, |
| 1781 | (struct sockaddr *)&peeraddr_in, |
| 1782 | &addrlen)) == INVALID_SOCKET) { |
| 1783 | /* Let's just punt. The remote will be given some information */ |
| 1784 | close(s_listen); |
| 1785 | exit(1); |
| 1786 | } |
| 1787 | |
| 1788 | #ifdef KLUDGE_SOCKET_OPTIONS |
| 1789 | /* this is for those systems which *INCORRECTLY* fail to pass */ |
| 1790 | /* attributes across an accept() call. Including this goes against */ |
| 1791 | /* my better judgement :( raj 11/95 */ |
| 1792 | |
| 1793 | kludge_socket_options(s_data); |
| 1794 | |
| 1795 | #endif /* KLUDGE_SOCKET_OPTIONS */ |
| 1796 | |
| 1797 | /* Now it's time to start receiving data on the connection. We will */ |
| 1798 | /* first grab the apropriate counters and then start grabbing. */ |
| 1799 | |
| 1800 | cpu_start(sdp_stream_request->measure_cpu); |
| 1801 | |
| 1802 | /* The loop will exit when the sender does a shutdown, which will */ |
| 1803 | /* return a length of zero */ |
| 1804 | |
| 1805 | /* there used to be an #ifdef DIRTY call to access_buffer() here, |
| 1806 | but we have switched from accessing the buffer before the recv() |
| 1807 | call to accessing the buffer after the recv() call. The |
| 1808 | accessing before was, IIRC, related to having dirty data when |
| 1809 | doing page-flipping copy avoidance. */ |
| 1810 | |
| 1811 | bytes_received = 0; |
| 1812 | receive_calls = 0; |
| 1813 | |
| 1814 | while ((len = recv(s_data, recv_ring->buffer_ptr, recv_size, 0)) != 0) { |
| 1815 | if (len == SOCKET_ERROR ) |
| 1816 | { |
| 1817 | netperf_response.content.serv_errno = errno; |
| 1818 | send_response(); |
| 1819 | exit(1); |
| 1820 | } |
| 1821 | bytes_received += len; |
| 1822 | receive_calls++; |
| 1823 | |
| 1824 | #ifdef DIRTY |
| 1825 | /* we access the buffer after the recv() call now, rather than before */ |
| 1826 | access_buffer(recv_ring->buffer_ptr, |
| 1827 | recv_size, |
| 1828 | sdp_stream_request->dirty_count, |
| 1829 | sdp_stream_request->clean_count); |
| 1830 | #endif /* DIRTY */ |
| 1831 | |
| 1832 | |
| 1833 | /* move to the next buffer in the recv_ring */ |
| 1834 | recv_ring = recv_ring->next; |
| 1835 | |
| 1836 | #ifdef PAUSE |
| 1837 | sleep(1); |
| 1838 | #endif /* PAUSE */ |
| 1839 | |
| 1840 | #ifdef DO_SELECT |
| 1841 | FD_SET(s_data,&readfds); |
| 1842 | select(s_data+1,&readfds,NULL,NULL,&timeout); |
| 1843 | #endif /* DO_SELECT */ |
| 1844 | |
| 1845 | } |
| 1846 | |
| 1847 | /* perform a shutdown to signal the sender that */ |
| 1848 | /* we have received all the data sent. raj 4/93 */ |
| 1849 | |
| 1850 | if (shutdown(s_data,SHUT_WR) == SOCKET_ERROR) { |
| 1851 | netperf_response.content.serv_errno = errno; |
| 1852 | send_response(); |
| 1853 | exit(1); |
| 1854 | } |
| 1855 | |
| 1856 | cpu_stop(sdp_stream_request->measure_cpu,&elapsed_time); |
| 1857 | |
| 1858 | /* send the results to the sender */ |
| 1859 | |
| 1860 | if (debug) { |
| 1861 | fprintf(where, |
| 1862 | "recv_sdp_stream: got %g bytes\n", |
| 1863 | bytes_received); |
| 1864 | fprintf(where, |
| 1865 | "recv_sdp_stream: got %d recvs\n", |
| 1866 | receive_calls); |
| 1867 | fflush(where); |
| 1868 | } |
| 1869 | |
| 1870 | sdp_stream_results->bytes_received = htond(bytes_received); |
| 1871 | sdp_stream_results->elapsed_time = elapsed_time; |
| 1872 | sdp_stream_results->recv_calls = receive_calls; |
| 1873 | |
| 1874 | sdp_stream_results->cpu_method = cpu_method; |
| 1875 | sdp_stream_results->num_cpus = lib_num_loc_cpus; |
| 1876 | |
| 1877 | if (sdp_stream_request->measure_cpu) { |
| 1878 | sdp_stream_results->cpu_util = calc_cpu_util(0.0); |
| 1879 | }; |
| 1880 | |
| 1881 | if (debug) { |
| 1882 | fprintf(where, |
| 1883 | "recv_sdp_stream: test complete, sending results.\n"); |
| 1884 | fprintf(where, |
| 1885 | " bytes_received %g receive_calls %d\n", |
| 1886 | bytes_received, |
| 1887 | receive_calls); |
| 1888 | fprintf(where, |
| 1889 | " len %d\n", |
| 1890 | len); |
| 1891 | fflush(where); |
| 1892 | } |
| 1893 | |
| 1894 | send_response(); |
| 1895 | |
| 1896 | /* we are now done with the sockets */ |
| 1897 | close(s_data); |
| 1898 | close(s_listen); |
| 1899 | |
| 1900 | } |
| 1901 | |
| 1902 | /* This is the server-side routine for the sdp maerts test. It is |
| 1903 | implemented as one routine. I could break things-out somewhat, but |
| 1904 | didn't feel it was necessary. */ |
| 1905 | |
| 1906 | void |
| 1907 | recv_sdp_maerts() |
| 1908 | { |
| 1909 | |
| 1910 | struct sockaddr_in myaddr_in, peeraddr_in; |
| 1911 | struct addrinfo *local_res; |
| 1912 | char local_name[BUFSIZ]; |
| 1913 | char port_buffer[PORTBUFSIZE]; |
| 1914 | |
| 1915 | SOCKET s_listen,s_data; |
| 1916 | netperf_socklen_t addrlen; |
| 1917 | int len; |
| 1918 | unsigned int send_calls; |
| 1919 | float elapsed_time; |
| 1920 | double bytes_sent = 0.0 ; |
| 1921 | |
| 1922 | struct ring_elt *send_ring; |
| 1923 | |
| 1924 | struct sdp_maerts_request_struct *sdp_maerts_request; |
| 1925 | struct sdp_maerts_response_struct *sdp_maerts_response; |
| 1926 | struct sdp_maerts_results_struct *sdp_maerts_results; |
| 1927 | |
| 1928 | sdp_maerts_request = |
| 1929 | (struct sdp_maerts_request_struct *)netperf_request.content.test_specific_data; |
| 1930 | sdp_maerts_response = |
| 1931 | (struct sdp_maerts_response_struct *)netperf_response.content.test_specific_data; |
| 1932 | sdp_maerts_results = |
| 1933 | (struct sdp_maerts_results_struct *)netperf_response.content.test_specific_data; |
| 1934 | |
| 1935 | if (debug) { |
| 1936 | fprintf(where,"netserver: recv_sdp_maerts: entered...\n"); |
| 1937 | fflush(where); |
| 1938 | } |
| 1939 | |
| 1940 | /* We want to set-up the listen socket with all the desired |
| 1941 | parameters and then let the initiator know that all is ready. If |
| 1942 | socket size defaults are to be used, then the initiator will have |
| 1943 | sent us 0's. If the socket sizes cannot be changed, then we will |
| 1944 | send-back what they are. If that information cannot be |
| 1945 | determined, then we send-back -1's for the sizes. If things go |
| 1946 | wrong for any reason, we will drop back ten yards and punt. */ |
| 1947 | |
| 1948 | /* If anything goes wrong, we want the remote to know about it. It |
| 1949 | would be best if the error that the remote reports to the user is |
| 1950 | the actual error we encountered, rather than some bogus |
| 1951 | unexpected response type message. */ |
| 1952 | |
| 1953 | if (debug) { |
| 1954 | fprintf(where,"recv_sdp_maerts: setting the response type...\n"); |
| 1955 | fflush(where); |
| 1956 | } |
| 1957 | |
| 1958 | netperf_response.content.response_type = SDP_MAERTS_RESPONSE; |
| 1959 | |
| 1960 | if (debug) { |
| 1961 | fprintf(where,"recv_sdp_maerts: the response type is set...\n"); |
| 1962 | fflush(where); |
| 1963 | } |
| 1964 | |
| 1965 | /* We now alter the message_ptr variable to be at the desired */ |
| 1966 | /* alignment with the desired offset. */ |
| 1967 | |
| 1968 | if (debug) { |
| 1969 | fprintf(where,"recv_sdp_maerts: requested alignment of %d\n", |
| 1970 | sdp_maerts_request->send_alignment); |
| 1971 | fflush(where); |
| 1972 | } |
| 1973 | |
| 1974 | /* Grab a socket to listen on, and then listen on it. */ |
| 1975 | |
| 1976 | if (debug) { |
| 1977 | fprintf(where,"recv_sdp_maerts: grabbing a socket...\n"); |
| 1978 | fflush(where); |
| 1979 | } |
| 1980 | |
| 1981 | /* create_data_socket expects to find some things in the global */ |
| 1982 | /* variables, so set the globals based on the values in the request. */ |
| 1983 | /* once the socket has been created, we will set the response values */ |
| 1984 | /* based on the updated value of those globals. raj 7/94 */ |
| 1985 | lss_size_req = sdp_maerts_request->send_buf_size; |
| 1986 | lsr_size_req = sdp_maerts_request->recv_buf_size; |
| 1987 | loc_nodelay = sdp_maerts_request->no_delay; |
| 1988 | loc_rcvavoid = sdp_maerts_request->so_rcvavoid; |
| 1989 | loc_sndavoid = sdp_maerts_request->so_sndavoid; |
| 1990 | |
| 1991 | set_hostname_and_port(local_name, |
| 1992 | port_buffer, |
| 1993 | nf_to_af(sdp_maerts_request->ipfamily), |
| 1994 | sdp_maerts_request->port); |
| 1995 | |
| 1996 | local_res = complete_addrinfo(local_name, |
| 1997 | local_name, |
| 1998 | port_buffer, |
| 1999 | nf_to_af(sdp_maerts_request->ipfamily), |
| 2000 | SOCK_STREAM, |
| 2001 | IPPROTO_TCP, |
| 2002 | 0); |
| 2003 | |
| 2004 | /* fake things out by changing local_res->ai_family to AF_INET_SDP */ |
| 2005 | local_res->ai_family = AF_INET_SDP; |
| 2006 | local_res->ai_protocol = 0; |
| 2007 | s_listen = create_data_socket(local_res); |
| 2008 | |
| 2009 | if (s_listen == INVALID_SOCKET) { |
| 2010 | netperf_response.content.serv_errno = errno; |
| 2011 | send_response(); |
| 2012 | exit(1); |
| 2013 | } |
| 2014 | |
| 2015 | #ifdef WIN32 |
| 2016 | /* The test timer can fire during operations on the listening socket, |
| 2017 | so to make the start_timer below work we have to move |
| 2018 | it to close s_listen while we are blocked on accept. */ |
| 2019 | win_kludge_socket2 = s_listen; |
| 2020 | #endif |
| 2021 | |
| 2022 | |
| 2023 | /* what sort of sizes did we end-up with? */ |
| 2024 | if (sdp_maerts_request->send_size == 0) { |
| 2025 | if (lss_size > 0) { |
| 2026 | send_size = lss_size; |
| 2027 | } |
| 2028 | else { |
| 2029 | send_size = 4096; |
| 2030 | } |
| 2031 | } |
| 2032 | else { |
| 2033 | send_size = sdp_maerts_request->send_size; |
| 2034 | } |
| 2035 | |
| 2036 | /* we want to set-up our recv_ring in a manner analagous to what we */ |
| 2037 | /* do on the recving side. this is more for the sake of symmetry */ |
| 2038 | /* than for the needs of say copy avoidance, but it might also be */ |
| 2039 | /* more realistic - this way one could conceivably go with a */ |
| 2040 | /* double-buffering scheme when taking the data an putting it into */ |
| 2041 | /* the filesystem or something like that. raj 7/94 */ |
| 2042 | |
| 2043 | if (send_width == 0) { |
| 2044 | send_width = (lsr_size/send_size) + 1; |
| 2045 | if (send_width == 1) send_width++; |
| 2046 | } |
| 2047 | |
| 2048 | send_ring = allocate_buffer_ring(send_width, |
| 2049 | send_size, |
| 2050 | sdp_maerts_request->send_alignment, |
| 2051 | sdp_maerts_request->send_offset); |
| 2052 | |
| 2053 | if (debug) { |
| 2054 | fprintf(where,"recv_sdp_maerts: receive alignment and offset set...\n"); |
| 2055 | fflush(where); |
| 2056 | } |
| 2057 | |
| 2058 | /* Now, let's set-up the socket to listen for connections */ |
| 2059 | if (listen(s_listen, 5) == SOCKET_ERROR) { |
| 2060 | netperf_response.content.serv_errno = errno; |
| 2061 | close(s_listen); |
| 2062 | send_response(); |
| 2063 | |
| 2064 | exit(1); |
| 2065 | } |
| 2066 | |
| 2067 | |
| 2068 | /* now get the port number assigned by the system */ |
| 2069 | addrlen = sizeof(myaddr_in); |
| 2070 | if (getsockname(s_listen, |
| 2071 | (struct sockaddr *)&myaddr_in, |
| 2072 | &addrlen) == SOCKET_ERROR){ |
| 2073 | netperf_response.content.serv_errno = errno; |
| 2074 | close(s_listen); |
| 2075 | send_response(); |
| 2076 | |
| 2077 | exit(1); |
| 2078 | } |
| 2079 | |
| 2080 | /* Now myaddr_in contains the port and the internet address this is */ |
| 2081 | /* returned to the sender also implicitly telling the sender that the */ |
| 2082 | /* socket buffer sizing has been done. */ |
| 2083 | |
| 2084 | sdp_maerts_response->data_port_number = (int) ntohs(myaddr_in.sin_port); |
| 2085 | netperf_response.content.serv_errno = 0; |
| 2086 | |
| 2087 | /* But wait, there's more. If the initiator wanted cpu measurements, */ |
| 2088 | /* then we must call the calibrate routine, which will return the max */ |
| 2089 | /* rate back to the initiator. If the CPU was not to be measured, or */ |
| 2090 | /* something went wrong with the calibration, we will return a -1 to */ |
| 2091 | /* the initiator. */ |
| 2092 | |
| 2093 | sdp_maerts_response->cpu_rate = (float)0.0; /* assume no cpu */ |
| 2094 | if (sdp_maerts_request->measure_cpu) { |
| 2095 | sdp_maerts_response->measure_cpu = 1; |
| 2096 | sdp_maerts_response->cpu_rate = |
| 2097 | calibrate_local_cpu(sdp_maerts_request->cpu_rate); |
| 2098 | } |
| 2099 | else { |
| 2100 | sdp_maerts_response->measure_cpu = 0; |
| 2101 | } |
| 2102 | |
| 2103 | /* before we send the response back to the initiator, pull some of */ |
| 2104 | /* the socket parms from the globals */ |
| 2105 | sdp_maerts_response->send_buf_size = lss_size; |
| 2106 | sdp_maerts_response->recv_buf_size = lsr_size; |
| 2107 | sdp_maerts_response->no_delay = loc_nodelay; |
| 2108 | sdp_maerts_response->so_rcvavoid = loc_rcvavoid; |
| 2109 | sdp_maerts_response->so_sndavoid = loc_sndavoid; |
| 2110 | sdp_maerts_response->send_size = send_size; |
| 2111 | |
| 2112 | send_response(); |
| 2113 | |
| 2114 | addrlen = sizeof(peeraddr_in); |
| 2115 | |
| 2116 | /* we will start the timer before the accept() to be somewhat |
| 2117 | analagous to the starting of the timer before the connect() call |
| 2118 | in the SDP_STREAM test. raj 2002-06-21 */ |
| 2119 | |
| 2120 | start_timer(sdp_maerts_request->test_length); |
| 2121 | |
| 2122 | /* Now it's time to start receiving data on the connection. We will |
| 2123 | first grab the apropriate counters and then start grabbing. */ |
| 2124 | |
| 2125 | cpu_start(sdp_maerts_request->measure_cpu); |
| 2126 | |
| 2127 | |
| 2128 | if ((s_data=accept(s_listen, |
| 2129 | (struct sockaddr *)&peeraddr_in, |
| 2130 | &addrlen)) == INVALID_SOCKET) { |
| 2131 | /* Let's just punt. The remote will be given some information */ |
| 2132 | close(s_listen); |
| 2133 | exit(1); |
| 2134 | } |
| 2135 | |
| 2136 | #ifdef KLUDGE_SOCKET_OPTIONS |
| 2137 | |
| 2138 | /* this is for those systems which *INCORRECTLY* fail to pass |
| 2139 | attributes across an accept() call. Including this goes against |
| 2140 | my better judgement :( raj 11/95 */ |
| 2141 | |
| 2142 | kludge_socket_options(s_data); |
| 2143 | |
| 2144 | #endif /* KLUDGE_SOCKET_OPTIONS */ |
| 2145 | |
| 2146 | /* The loop will exit when the sender does a shutdown, which will */ |
| 2147 | /* return a length of zero */ |
| 2148 | |
| 2149 | bytes_sent = 0.0; |
| 2150 | send_calls = 0; |
| 2151 | |
| 2152 | len = 0; /* nt-lint; len is not initialized (printf far below) if |
| 2153 | times_up initially true.*/ |
| 2154 | times_up = 0; /* must remember to initialize this little beauty */ |
| 2155 | while (!times_up) { |
| 2156 | |
| 2157 | #ifdef DIRTY |
| 2158 | /* we want to dirty some number of consecutive integers in the buffer */ |
| 2159 | /* we are about to send. we may also want to bring some number of */ |
| 2160 | /* them cleanly into the cache. The clean ones will follow any dirty */ |
| 2161 | /* ones into the cache. */ |
| 2162 | |
| 2163 | access_buffer(send_ring->buffer_ptr, |
| 2164 | send_size, |
| 2165 | sdp_maerts_request->dirty_count, |
| 2166 | sdp_maerts_request->clean_count); |
| 2167 | |
| 2168 | #endif /* DIRTY */ |
| 2169 | |
| 2170 | if((len=send(s_data, |
| 2171 | send_ring->buffer_ptr, |
| 2172 | send_size, |
| 2173 | 0)) != send_size) { |
| 2174 | if ((len >=0) || SOCKET_EINTR(len)) { |
| 2175 | /* the test was interrupted, must be the end of test */ |
| 2176 | break; |
| 2177 | } |
| 2178 | netperf_response.content.serv_errno = errno; |
| 2179 | send_response(); |
| 2180 | exit(1); |
| 2181 | } |
| 2182 | |
| 2183 | bytes_sent += len; |
| 2184 | send_calls++; |
| 2185 | |
| 2186 | /* more to the next buffer in the send_ring */ |
| 2187 | send_ring = send_ring->next; |
| 2188 | |
| 2189 | } |
| 2190 | |
| 2191 | /* perform a shutdown to signal the sender that */ |
| 2192 | /* we have received all the data sent. raj 4/93 */ |
| 2193 | |
| 2194 | if (shutdown(s_data,SHUT_WR) == SOCKET_ERROR) { |
| 2195 | netperf_response.content.serv_errno = errno; |
| 2196 | send_response(); |
| 2197 | exit(1); |
| 2198 | } |
| 2199 | |
| 2200 | /* hang a recv() off the socket to block until the remote has |
| 2201 | brought all the data up into the application. it will do a |
| 2202 | shutdown to cause a FIN to be sent our way. We will assume that |
| 2203 | any exit from the recv() call is good... raj 4/93 */ |
| 2204 | |
| 2205 | recv(s_data, send_ring->buffer_ptr, send_size, 0); |
| 2206 | |
| 2207 | |
| 2208 | cpu_stop(sdp_maerts_request->measure_cpu,&elapsed_time); |
| 2209 | |
| 2210 | /* send the results to the sender */ |
| 2211 | |
| 2212 | if (debug) { |
| 2213 | fprintf(where, |
| 2214 | "recv_sdp_maerts: got %g bytes\n", |
| 2215 | bytes_sent); |
| 2216 | fprintf(where, |
| 2217 | "recv_sdp_maerts: got %d sends\n", |
| 2218 | send_calls); |
| 2219 | fflush(where); |
| 2220 | } |
| 2221 | |
| 2222 | sdp_maerts_results->bytes_sent = htond(bytes_sent); |
| 2223 | sdp_maerts_results->elapsed_time = elapsed_time; |
| 2224 | sdp_maerts_results->send_calls = send_calls; |
| 2225 | |
| 2226 | if (sdp_maerts_request->measure_cpu) { |
| 2227 | sdp_maerts_results->cpu_util = calc_cpu_util(0.0); |
| 2228 | }; |
| 2229 | |
| 2230 | if (debug) { |
| 2231 | fprintf(where, |
| 2232 | "recv_sdp_maerts: test complete, sending results.\n"); |
| 2233 | fprintf(where, |
| 2234 | " bytes_sent %g send_calls %d\n", |
| 2235 | bytes_sent, |
| 2236 | send_calls); |
| 2237 | fprintf(where, |
| 2238 | " len %d\n", |
| 2239 | len); |
| 2240 | fflush(where); |
| 2241 | } |
| 2242 | |
| 2243 | sdp_maerts_results->cpu_method = cpu_method; |
| 2244 | sdp_maerts_results->num_cpus = lib_num_loc_cpus; |
| 2245 | send_response(); |
| 2246 | |
| 2247 | /* we are now done with the sockets */ |
| 2248 | close(s_data); |
| 2249 | close(s_listen); |
| 2250 | |
| 2251 | } |
| 2252 | |
| 2253 | |
| 2254 | /* this routine implements the sending (netperf) side of the SDP_RR */ |
| 2255 | /* test. */ |
| 2256 | |
| 2257 | void |
| 2258 | send_sdp_rr(char remote_host[]) |
| 2259 | { |
| 2260 | |
| 2261 | char *tput_title = "\ |
| 2262 | Local /Remote\n\ |
| 2263 | Socket Size Request Resp. Elapsed Trans.\n\ |
| 2264 | Send Recv Size Size Time Rate \n\ |
| 2265 | bytes Bytes bytes bytes secs. per sec \n\n"; |
| 2266 | |
| 2267 | char *tput_fmt_0 = |
| 2268 | "%7.2f %s\n"; |
| 2269 | |
| 2270 | char *tput_fmt_1_line_1 = "\ |
| 2271 | %-6d %-6d %-6d %-6d %-6.2f %7.2f %s\n"; |
| 2272 | char *tput_fmt_1_line_2 = "\ |
| 2273 | %-6d %-6d\n"; |
| 2274 | |
| 2275 | char *cpu_title = "\ |
| 2276 | Local /Remote\n\ |
| 2277 | Socket Size Request Resp. Elapsed Trans. CPU CPU S.dem S.dem\n\ |
| 2278 | Send Recv Size Size Time Rate local remote local remote\n\ |
| 2279 | bytes bytes bytes bytes secs. per sec %% %c %% %c us/Tr us/Tr\n\n"; |
| 2280 | |
| 2281 | char *cpu_fmt_0 = |
| 2282 | "%6.3f %c %s\n"; |
| 2283 | |
| 2284 | char *cpu_fmt_1_line_1 = "\ |
| 2285 | %-6d %-6d %-6d %-6d %-6.2f %-6.2f %-6.2f %-6.2f %-6.3f %-6.3f %s\n"; |
| 2286 | |
| 2287 | char *cpu_fmt_1_line_2 = "\ |
| 2288 | %-6d %-6d\n"; |
| 2289 | |
| 2290 | char *ksink_fmt = "\ |
| 2291 | Alignment Offset\n\ |
| 2292 | Local Remote Local Remote\n\ |
| 2293 | Send Recv Send Recv\n\ |
| 2294 | %5d %5d %5d %5d\n"; |
| 2295 | |
| 2296 | |
| 2297 | int timed_out = 0; |
| 2298 | float elapsed_time; |
| 2299 | |
| 2300 | int len; |
| 2301 | char *temp_message_ptr; |
| 2302 | int nummessages; |
| 2303 | SOCKET send_socket; |
| 2304 | int trans_remaining; |
| 2305 | double bytes_xferd; |
| 2306 | |
| 2307 | struct ring_elt *send_ring; |
| 2308 | struct ring_elt *recv_ring; |
| 2309 | |
| 2310 | int rsp_bytes_left; |
| 2311 | int rsp_bytes_recvd; |
| 2312 | |
| 2313 | float local_cpu_utilization; |
| 2314 | float local_service_demand; |
| 2315 | float remote_cpu_utilization; |
| 2316 | float remote_service_demand; |
| 2317 | double thruput; |
| 2318 | |
| 2319 | struct addrinfo *local_res; |
| 2320 | struct addrinfo *remote_res; |
| 2321 | |
| 2322 | struct sdp_rr_request_struct *sdp_rr_request; |
| 2323 | struct sdp_rr_response_struct *sdp_rr_response; |
| 2324 | struct sdp_rr_results_struct *sdp_rr_result; |
| 2325 | |
| 2326 | #ifdef WANT_FIRST_BURST |
| 2327 | #define REQUEST_CWND_INITIAL 2 |
| 2328 | /* "in the beginning..." the WANT_FIRST_BURST stuff was like both |
| 2329 | Unix and the state of New Jersey - both were simple an unspoiled. |
| 2330 | then it was realized that some stacks are quite picky about |
| 2331 | initial congestion windows and a non-trivial initial burst of |
| 2332 | requests would not be individual segments even with TCP_NODELAY |
| 2333 | set. so, we have to start tracking a poor-man's congestion window |
| 2334 | up here in window space because we want to try to make something |
| 2335 | happen that frankly, we cannot guarantee with the specification |
| 2336 | of SDP. ain't that grand?-) raj 2006-01-30 */ |
| 2337 | int requests_outstanding = 0; |
| 2338 | int request_cwnd = REQUEST_CWND_INITIAL; /* we ass-u-me that having |
| 2339 | three requests |
| 2340 | outstanding at the |
| 2341 | beginning of the test |
| 2342 | is ok with SDP stacks |
| 2343 | of interest. the first |
| 2344 | two will come from our |
| 2345 | first_burst loop, and |
| 2346 | the third from our |
| 2347 | regularly scheduled |
| 2348 | send */ |
| 2349 | #endif |
| 2350 | |
| 2351 | sdp_rr_request = |
| 2352 | (struct sdp_rr_request_struct *)netperf_request.content.test_specific_data; |
| 2353 | sdp_rr_response= |
| 2354 | (struct sdp_rr_response_struct *)netperf_response.content.test_specific_data; |
| 2355 | sdp_rr_result = |
| 2356 | (struct sdp_rr_results_struct *)netperf_response.content.test_specific_data; |
| 2357 | |
| 2358 | #ifdef WANT_HISTOGRAM |
| 2359 | if (verbosity > 1) { |
| 2360 | time_hist = HIST_new(); |
| 2361 | } |
| 2362 | #endif /* WANT_HISTOGRAM */ |
| 2363 | |
| 2364 | /* since we are now disconnected from the code that established the */ |
| 2365 | /* control socket, and since we want to be able to use different */ |
| 2366 | /* protocols and such, we are passed the name of the remote host and */ |
| 2367 | /* must turn that into the test specific addressing information. */ |
| 2368 | |
| 2369 | complete_addrinfos(&remote_res, |
| 2370 | &local_res, |
| 2371 | remote_host, |
| 2372 | SOCK_STREAM, |
| 2373 | IPPROTO_TCP, |
| 2374 | 0); |
| 2375 | |
| 2376 | if ( print_headers ) { |
| 2377 | print_top_test_header("SDP REQUEST/RESPONSE TEST",local_res,remote_res); |
| 2378 | } |
| 2379 | |
| 2380 | /* initialize a few counters */ |
| 2381 | |
| 2382 | send_ring = NULL; |
| 2383 | recv_ring = NULL; |
| 2384 | confidence_iteration = 1; |
| 2385 | init_stat(); |
| 2386 | |
| 2387 | /* we have a great-big while loop which controls the number of times */ |
| 2388 | /* we run a particular test. this is for the calculation of a */ |
| 2389 | /* confidence interval (I really should have stayed awake during */ |
| 2390 | /* probstats :). If the user did not request confidence measurement */ |
| 2391 | /* (no confidence is the default) then we will only go though the */ |
| 2392 | /* loop once. the confidence stuff originates from the folks at IBM */ |
| 2393 | |
| 2394 | while (((confidence < 0) && (confidence_iteration < iteration_max)) || |
| 2395 | (confidence_iteration <= iteration_min)) { |
| 2396 | |
| 2397 | /* initialize a few counters. we have to remember that we might be */ |
| 2398 | /* going through the loop more than once. */ |
| 2399 | |
| 2400 | nummessages = 0; |
| 2401 | bytes_xferd = 0.0; |
| 2402 | times_up = 0; |
| 2403 | timed_out = 0; |
| 2404 | trans_remaining = 0; |
| 2405 | |
| 2406 | #ifdef WANT_FIRST_BURST |
| 2407 | /* we have to remember to reset the number of transactions |
| 2408 | outstanding and the "congestion window for each new |
| 2409 | iteration. raj 2006-01-31 */ |
| 2410 | requests_outstanding = 0; |
| 2411 | request_cwnd = REQUEST_CWND_INITIAL; |
| 2412 | #endif |
| 2413 | |
| 2414 | |
| 2415 | /* set-up the data buffers with the requested alignment and offset. */ |
| 2416 | /* since this is a request/response test, default the send_width and */ |
| 2417 | /* recv_width to 1 and not two raj 7/94 */ |
| 2418 | |
| 2419 | if (send_width == 0) send_width = 1; |
| 2420 | if (recv_width == 0) recv_width = 1; |
| 2421 | |
| 2422 | if (send_ring == NULL) { |
| 2423 | send_ring = allocate_buffer_ring(send_width, |
| 2424 | req_size, |
| 2425 | local_send_align, |
| 2426 | local_send_offset); |
| 2427 | } |
| 2428 | |
| 2429 | if (recv_ring == NULL) { |
| 2430 | recv_ring = allocate_buffer_ring(recv_width, |
| 2431 | rsp_size, |
| 2432 | local_recv_align, |
| 2433 | local_recv_offset); |
| 2434 | } |
| 2435 | |
| 2436 | /*set up the data socket */ |
| 2437 | /* fake things out by changing local_res->ai_family to AF_INET_SDP */ |
| 2438 | local_res->ai_family = AF_INET_SDP; |
| 2439 | local_res->ai_protocol = 0; |
| 2440 | send_socket = create_data_socket(local_res); |
| 2441 | |
| 2442 | if (send_socket == INVALID_SOCKET){ |
| 2443 | perror("netperf: send_sdp_rr: sdp stream data socket"); |
| 2444 | exit(1); |
| 2445 | } |
| 2446 | |
| 2447 | if (debug) { |
| 2448 | fprintf(where,"send_sdp_rr: send_socket obtained...\n"); |
| 2449 | } |
| 2450 | |
| 2451 | /* If the user has requested cpu utilization measurements, we must */ |
| 2452 | /* calibrate the cpu(s). We will perform this task within the tests */ |
| 2453 | /* themselves. If the user has specified the cpu rate, then */ |
| 2454 | /* calibrate_local_cpu will return rather quickly as it will have */ |
| 2455 | /* nothing to do. If local_cpu_rate is zero, then we will go through */ |
| 2456 | /* all the "normal" calibration stuff and return the rate back.*/ |
| 2457 | |
| 2458 | if (local_cpu_usage) { |
| 2459 | local_cpu_rate = calibrate_local_cpu(local_cpu_rate); |
| 2460 | } |
| 2461 | |
| 2462 | if (!no_control) { |
| 2463 | /* Tell the remote end to do a listen. The server alters the |
| 2464 | socket paramters on the other side at this point, hence the |
| 2465 | reason for all the values being passed in the setup |
| 2466 | message. If the user did not specify any of the parameters, |
| 2467 | they will be passed as 0, which will indicate to the remote |
| 2468 | that no changes beyond the system's default should be |
| 2469 | used. Alignment is the exception, it will default to 8, which |
| 2470 | will be no alignment alterations. */ |
| 2471 | |
| 2472 | netperf_request.content.request_type = DO_SDP_RR; |
| 2473 | sdp_rr_request->recv_buf_size = rsr_size_req; |
| 2474 | sdp_rr_request->send_buf_size = rss_size_req; |
| 2475 | sdp_rr_request->recv_alignment = remote_recv_align; |
| 2476 | sdp_rr_request->recv_offset = remote_recv_offset; |
| 2477 | sdp_rr_request->send_alignment = remote_send_align; |
| 2478 | sdp_rr_request->send_offset = remote_send_offset; |
| 2479 | sdp_rr_request->request_size = req_size; |
| 2480 | sdp_rr_request->response_size = rsp_size; |
| 2481 | sdp_rr_request->no_delay = rem_nodelay; |
| 2482 | sdp_rr_request->measure_cpu = remote_cpu_usage; |
| 2483 | sdp_rr_request->cpu_rate = remote_cpu_rate; |
| 2484 | sdp_rr_request->so_rcvavoid = rem_rcvavoid; |
| 2485 | sdp_rr_request->so_sndavoid = rem_sndavoid; |
| 2486 | if (test_time) { |
| 2487 | sdp_rr_request->test_length = test_time; |
| 2488 | } |
| 2489 | else { |
| 2490 | sdp_rr_request->test_length = test_trans * -1; |
| 2491 | } |
| 2492 | sdp_rr_request->port = atoi(remote_data_port); |
| 2493 | sdp_rr_request->ipfamily = af_to_nf(remote_res->ai_family); |
| 2494 | |
| 2495 | if (debug > 1) { |
| 2496 | fprintf(where,"netperf: send_sdp_rr: requesting SDP rr test\n"); |
| 2497 | } |
| 2498 | |
| 2499 | send_request(); |
| 2500 | |
| 2501 | /* The response from the remote will contain all of the relevant |
| 2502 | socket parameters for this test type. We will put them back |
| 2503 | into the variables here so they can be displayed if desired. |
| 2504 | The remote will have calibrated CPU if necessary, and will |
| 2505 | have done all the needed set-up we will have calibrated the |
| 2506 | cpu locally before sending the request, and will grab the |
| 2507 | counter value right after the connect returns. The remote |
| 2508 | will grab the counter right after the accept call. This saves |
| 2509 | the hassle of extra messages being sent for the SDP |
| 2510 | tests. */ |
| 2511 | |
| 2512 | recv_response(); |
| 2513 | |
| 2514 | if (!netperf_response.content.serv_errno) { |
| 2515 | if (debug) |
| 2516 | fprintf(where,"remote listen done.\n"); |
| 2517 | rsr_size = sdp_rr_response->recv_buf_size; |
| 2518 | rss_size = sdp_rr_response->send_buf_size; |
| 2519 | rem_nodelay = sdp_rr_response->no_delay; |
| 2520 | remote_cpu_usage = sdp_rr_response->measure_cpu; |
| 2521 | remote_cpu_rate = sdp_rr_response->cpu_rate; |
| 2522 | /* make sure that port numbers are in network order */ |
| 2523 | set_port_number(remote_res,(short)sdp_rr_response->data_port_number); |
| 2524 | } |
| 2525 | else { |
| 2526 | Set_errno(netperf_response.content.serv_errno); |
| 2527 | fprintf(where, |
| 2528 | "netperf: remote error %d", |
| 2529 | netperf_response.content.serv_errno); |
| 2530 | perror(""); |
| 2531 | fflush(where); |
| 2532 | |
| 2533 | exit(1); |
| 2534 | } |
| 2535 | } |
| 2536 | |
| 2537 | #ifdef WANT_DEMO |
| 2538 | DEMO_RR_SETUP(1000) |
| 2539 | #endif |
| 2540 | |
| 2541 | /*Connect up to the remote port on the data socket */ |
| 2542 | if (connect(send_socket, |
| 2543 | remote_res->ai_addr, |
| 2544 | remote_res->ai_addrlen) == INVALID_SOCKET){ |
| 2545 | perror("netperf: data socket connect failed"); |
| 2546 | |
| 2547 | exit(1); |
| 2548 | } |
| 2549 | |
| 2550 | /* Data Socket set-up is finished. If there were problems, either the */ |
| 2551 | /* connect would have failed, or the previous response would have */ |
| 2552 | /* indicated a problem. I failed to see the value of the extra */ |
| 2553 | /* message after the accept on the remote. If it failed, we'll see it */ |
| 2554 | /* here. If it didn't, we might as well start pumping data. */ |
| 2555 | |
| 2556 | /* Set-up the test end conditions. For a request/response test, they */ |
| 2557 | /* can be either time or transaction based. */ |
| 2558 | |
| 2559 | if (test_time) { |
| 2560 | /* The user wanted to end the test after a period of time. */ |
| 2561 | times_up = 0; |
| 2562 | trans_remaining = 0; |
| 2563 | start_timer(test_time); |
| 2564 | } |
| 2565 | else { |
| 2566 | /* The tester wanted to send a number of bytes. */ |
| 2567 | trans_remaining = test_bytes; |
| 2568 | times_up = 1; |
| 2569 | } |
| 2570 | |
| 2571 | /* The cpu_start routine will grab the current time and possibly */ |
| 2572 | /* value of the idle counter for later use in measuring cpu */ |
| 2573 | /* utilization and/or service demand and thruput. */ |
| 2574 | |
| 2575 | cpu_start(local_cpu_usage); |
| 2576 | |
| 2577 | #ifdef WANT_INTERVALS |
| 2578 | INTERVALS_INIT(); |
| 2579 | #endif /* WANT_INTERVALS */ |
| 2580 | |
| 2581 | /* We use an "OR" to control test execution. When the test is */ |
| 2582 | /* controlled by time, the byte count check will always return false. */ |
| 2583 | /* When the test is controlled by byte count, the time test will */ |
| 2584 | /* always return false. When the test is finished, the whole */ |
| 2585 | /* expression will go false and we will stop sending data. I think I */ |
| 2586 | /* just arbitrarily decrement trans_remaining for the timed test, but */ |
| 2587 | /* will not do that just yet... One other question is whether or not */ |
| 2588 | /* the send buffer and the receive buffer should be the same buffer. */ |
| 2589 | |
| 2590 | #ifdef WANT_DEMO |
| 2591 | if (demo_mode) { |
| 2592 | HIST_timestamp(demo_one_ptr); |
| 2593 | } |
| 2594 | #endif |
| 2595 | |
| 2596 | while ((!times_up) || (trans_remaining > 0)) { |
| 2597 | /* send the request. we assume that if we use a blocking socket, */ |
| 2598 | /* the request will be sent at one shot. */ |
| 2599 | |
| 2600 | #ifdef WANT_FIRST_BURST |
| 2601 | /* we can inject no more than request_cwnd, which will grow with |
| 2602 | time, and no more than first_burst_size. we don't use <= to |
| 2603 | account for the "regularly scheduled" send call. of course |
| 2604 | that makes it more a "max_outstanding_ than a |
| 2605 | "first_burst_size" but for now we won't fix the names. also, |
| 2606 | I suspect the extra check against < first_burst_size is |
| 2607 | redundant since later I expect to make sure that request_cwnd |
| 2608 | can never get larger than first_burst_size, but just at the |
| 2609 | moment I'm feeling like a belt and suspenders kind of |
| 2610 | programmer. raj 2006-01-30 */ |
| 2611 | while ((first_burst_size > 0) && |
| 2612 | (requests_outstanding < request_cwnd) && |
| 2613 | (requests_outstanding < first_burst_size)) { |
| 2614 | if (debug) { |
| 2615 | fprintf(where, |
| 2616 | "injecting, req_outstndng %d req_cwnd %d burst %d\n", |
| 2617 | requests_outstanding, |
| 2618 | request_cwnd, |
| 2619 | first_burst_size); |
| 2620 | } |
| 2621 | if ((len = send(send_socket, |
| 2622 | send_ring->buffer_ptr, |
| 2623 | req_size, |
| 2624 | 0)) != req_size) { |
| 2625 | /* we should never hit the end of the test in the first burst */ |
| 2626 | perror("send_sdp_rr: initial burst data send error"); |
| 2627 | exit(-1); |
| 2628 | } |
| 2629 | requests_outstanding += 1; |
| 2630 | } |
| 2631 | |
| 2632 | #endif /* WANT_FIRST_BURST */ |
| 2633 | |
| 2634 | #ifdef WANT_HISTOGRAM |
| 2635 | if (verbosity > 1) { |
| 2636 | /* timestamp just before our call to send, and then again just |
| 2637 | after the receive raj 8/94 */ |
| 2638 | /* but only if we are actually going to display one. raj |
| 2639 | 2007-02-07 */ |
| 2640 | |
| 2641 | HIST_timestamp(&time_one); |
| 2642 | } |
| 2643 | #endif /* WANT_HISTOGRAM */ |
| 2644 | |
| 2645 | if ((len = send(send_socket, |
| 2646 | send_ring->buffer_ptr, |
| 2647 | req_size, |
| 2648 | 0)) != req_size) { |
| 2649 | if (SOCKET_EINTR(len) || (errno == 0)) { |
| 2650 | /* we hit the end of a */ |
| 2651 | /* timed test. */ |
| 2652 | timed_out = 1; |
| 2653 | break; |
| 2654 | } |
| 2655 | perror("send_sdp_rr: data send error"); |
| 2656 | exit(1); |
| 2657 | } |
| 2658 | send_ring = send_ring->next; |
| 2659 | |
| 2660 | #ifdef WANT_FIRST_BURST |
| 2661 | requests_outstanding += 1; |
| 2662 | #endif |
| 2663 | |
| 2664 | /* receive the response */ |
| 2665 | rsp_bytes_left = rsp_size; |
| 2666 | temp_message_ptr = recv_ring->buffer_ptr; |
| 2667 | while(rsp_bytes_left > 0) { |
| 2668 | if((rsp_bytes_recvd=recv(send_socket, |
| 2669 | temp_message_ptr, |
| 2670 | rsp_bytes_left, |
| 2671 | 0)) == SOCKET_ERROR) { |
| 2672 | if ( SOCKET_EINTR(rsp_bytes_recvd) ) { |
| 2673 | /* We hit the end of a timed test. */ |
| 2674 | timed_out = 1; |
| 2675 | break; |
| 2676 | } |
| 2677 | perror("send_sdp_rr: data recv error"); |
| 2678 | exit(1); |
| 2679 | } |
| 2680 | rsp_bytes_left -= rsp_bytes_recvd; |
| 2681 | temp_message_ptr += rsp_bytes_recvd; |
| 2682 | } |
| 2683 | recv_ring = recv_ring->next; |
| 2684 | |
| 2685 | #ifdef WANT_FIRST_BURST |
| 2686 | /* so, since we've gotten a response back, update the |
| 2687 | bookkeeping accordingly. there is one less request |
| 2688 | outstanding and we can put one more out there than before. */ |
| 2689 | requests_outstanding -= 1; |
| 2690 | if (request_cwnd < first_burst_size) { |
| 2691 | request_cwnd += 1; |
| 2692 | if (debug) { |
| 2693 | fprintf(where, |
| 2694 | "incr req_cwnd to %d first_burst %d reqs_outstndng %d\n", |
| 2695 | request_cwnd, |
| 2696 | first_burst_size, |
| 2697 | requests_outstanding); |
| 2698 | } |
| 2699 | } |
| 2700 | #endif |
| 2701 | if (timed_out) { |
| 2702 | /* we may have been in a nested while loop - we need */ |
| 2703 | /* another call to break. */ |
| 2704 | break; |
| 2705 | } |
| 2706 | |
| 2707 | #ifdef WANT_HISTOGRAM |
| 2708 | if (verbosity > 1) { |
| 2709 | HIST_timestamp(&time_two); |
| 2710 | HIST_add(time_hist,delta_micro(&time_one,&time_two)); |
| 2711 | } |
| 2712 | #endif /* WANT_HISTOGRAM */ |
| 2713 | |
| 2714 | #ifdef WANT_DEMO |
| 2715 | DEMO_RR_INTERVAL(1); |
| 2716 | #endif |
| 2717 | |
| 2718 | #ifdef WANT_INTERVALS |
| 2719 | INTERVALS_WAIT(); |
| 2720 | #endif /* WANT_INTERVALS */ |
| 2721 | |
| 2722 | nummessages++; |
| 2723 | if (trans_remaining) { |
| 2724 | trans_remaining--; |
| 2725 | } |
| 2726 | |
| 2727 | if (debug > 3) { |
| 2728 | if ((nummessages % 100) == 0) { |
| 2729 | fprintf(where, |
| 2730 | "Transaction %d completed\n", |
| 2731 | nummessages); |
| 2732 | fflush(where); |
| 2733 | } |
| 2734 | } |
| 2735 | } |
| 2736 | |
| 2737 | /* At this point we used to call shutdown on the data socket to be |
| 2738 | sure all the data was delivered, but this was not germane in a |
| 2739 | request/response test, and it was causing the tests to "hang" |
| 2740 | when they were being controlled by time. So, I have replaced |
| 2741 | this shutdown call with a call to close that can be found later |
| 2742 | in the procedure. */ |
| 2743 | |
| 2744 | /* this call will always give us the elapsed time for the test, |
| 2745 | and will also store-away the necessaries for cpu utilization */ |
| 2746 | |
| 2747 | cpu_stop(local_cpu_usage,&elapsed_time); /* was cpu being */ |
| 2748 | /* measured? how long */ |
| 2749 | /* did we really run? */ |
| 2750 | |
| 2751 | if (!no_control) { |
| 2752 | /* Get the statistics from the remote end. The remote will have |
| 2753 | calculated CPU utilization. If it wasn't supposed to care, it |
| 2754 | will return obvious values. */ |
| 2755 | |
| 2756 | recv_response(); |
| 2757 | if (!netperf_response.content.serv_errno) { |
| 2758 | if (debug) |
| 2759 | fprintf(where,"remote results obtained\n"); |
| 2760 | } |
| 2761 | else { |
| 2762 | Set_errno(netperf_response.content.serv_errno); |
| 2763 | fprintf(where,"netperf: remote error %d", |
| 2764 | netperf_response.content.serv_errno); |
| 2765 | perror(""); |
| 2766 | fflush(where); |
| 2767 | exit(1); |
| 2768 | } |
| 2769 | } |
| 2770 | |
| 2771 | /* We now calculate what our throughput was for the test. */ |
| 2772 | |
| 2773 | bytes_xferd = (req_size * nummessages) + (rsp_size * nummessages); |
| 2774 | thruput = nummessages/elapsed_time; |
| 2775 | |
| 2776 | if (local_cpu_usage || remote_cpu_usage) { |
| 2777 | /* We must now do a little math for service demand and cpu |
| 2778 | utilization for the system(s) Of course, some of the |
| 2779 | information might be bogus because there was no idle counter in |
| 2780 | the kernel(s). We need to make a note of this for the user's |
| 2781 | benefit... */ |
| 2782 | if (local_cpu_usage) { |
| 2783 | local_cpu_utilization = calc_cpu_util(0.0); |
| 2784 | /* since calc_service demand is doing ms/Kunit we will |
| 2785 | multiply the number of transaction by 1024 to get "good" |
| 2786 | numbers */ |
| 2787 | local_service_demand = calc_service_demand((double) nummessages*1024, |
| 2788 | 0.0, |
| 2789 | 0.0, |
| 2790 | 0); |
| 2791 | } |
| 2792 | else { |
| 2793 | local_cpu_utilization = (float) -1.0; |
| 2794 | local_service_demand = (float) -1.0; |
| 2795 | } |
| 2796 | |
| 2797 | if (remote_cpu_usage) { |
| 2798 | remote_cpu_utilization = sdp_rr_result->cpu_util; |
| 2799 | /* since calc_service demand is doing ms/Kunit we will |
| 2800 | multiply the number of transaction by 1024 to get "good" |
| 2801 | numbers */ |
| 2802 | remote_service_demand = calc_service_demand((double) nummessages*1024, |
| 2803 | 0.0, |
| 2804 | remote_cpu_utilization, |
| 2805 | sdp_rr_result->num_cpus); |
| 2806 | } |
| 2807 | else { |
| 2808 | remote_cpu_utilization = (float) -1.0; |
| 2809 | remote_service_demand = (float) -1.0; |
| 2810 | } |
| 2811 | |
| 2812 | } |
| 2813 | else { |
| 2814 | /* we were not measuring cpu, for the confidence stuff, we */ |
| 2815 | /* should make it -1.0 */ |
| 2816 | local_cpu_utilization = (float) -1.0; |
| 2817 | local_service_demand = (float) -1.0; |
| 2818 | remote_cpu_utilization = (float) -1.0; |
| 2819 | remote_service_demand = (float) -1.0; |
| 2820 | } |
| 2821 | |
| 2822 | /* at this point, we want to calculate the confidence information. |
| 2823 | if debugging is on, calculate_confidence will print-out the |
| 2824 | parameters we pass it */ |
| 2825 | |
| 2826 | calculate_confidence(confidence_iteration, |
| 2827 | elapsed_time, |
| 2828 | thruput, |
| 2829 | local_cpu_utilization, |
| 2830 | remote_cpu_utilization, |
| 2831 | local_service_demand, |
| 2832 | remote_service_demand); |
| 2833 | |
| 2834 | |
| 2835 | confidence_iteration++; |
| 2836 | |
| 2837 | /* we are now done with the socket, so close it */ |
| 2838 | close(send_socket); |
| 2839 | |
| 2840 | } |
| 2841 | |
| 2842 | retrieve_confident_values(&elapsed_time, |
| 2843 | &thruput, |
| 2844 | &local_cpu_utilization, |
| 2845 | &remote_cpu_utilization, |
| 2846 | &local_service_demand, |
| 2847 | &remote_service_demand); |
| 2848 | |
| 2849 | /* We are now ready to print all the information. If the user has |
| 2850 | specified zero-level verbosity, we will just print the local |
| 2851 | service demand, or the remote service demand. If the user has |
| 2852 | requested verbosity level 1, he will get the basic "streamperf" |
| 2853 | numbers. If the user has specified a verbosity of greater than 1, |
| 2854 | we will display a veritable plethora of background information |
| 2855 | from outside of this block as it it not cpu_measurement |
| 2856 | specific... */ |
| 2857 | |
| 2858 | if (confidence < 0) { |
| 2859 | /* we did not hit confidence, but were we asked to look for it? */ |
| 2860 | if (iteration_max > 1) { |
| 2861 | display_confidence(); |
| 2862 | } |
| 2863 | } |
| 2864 | |
| 2865 | if (local_cpu_usage || remote_cpu_usage) { |
| 2866 | local_cpu_method = format_cpu_method(cpu_method); |
| 2867 | remote_cpu_method = format_cpu_method(sdp_rr_result->cpu_method); |
| 2868 | |
| 2869 | switch (verbosity) { |
| 2870 | case 0: |
| 2871 | if (local_cpu_usage) { |
| 2872 | fprintf(where, |
| 2873 | cpu_fmt_0, |
| 2874 | local_service_demand, |
| 2875 | local_cpu_method, |
| 2876 | ((print_headers) || |
| 2877 | (result_brand == NULL)) ? "" : result_brand); |
| 2878 | } |
| 2879 | else { |
| 2880 | fprintf(where, |
| 2881 | cpu_fmt_0, |
| 2882 | remote_service_demand, |
| 2883 | remote_cpu_method, |
| 2884 | ((print_headers) || |
| 2885 | (result_brand == NULL)) ? "" : result_brand); |
| 2886 | } |
| 2887 | break; |
| 2888 | case 1: |
| 2889 | case 2: |
| 2890 | if (print_headers) { |
| 2891 | fprintf(where, |
| 2892 | cpu_title, |
| 2893 | local_cpu_method, |
| 2894 | remote_cpu_method); |
| 2895 | } |
| 2896 | |
| 2897 | fprintf(where, |
| 2898 | cpu_fmt_1_line_1, /* the format string */ |
| 2899 | lss_size, /* local sendbuf size */ |
| 2900 | lsr_size, |
| 2901 | req_size, /* how large were the requests */ |
| 2902 | rsp_size, /* guess */ |
| 2903 | elapsed_time, /* how long was the test */ |
| 2904 | thruput, |
| 2905 | local_cpu_utilization, /* local cpu */ |
| 2906 | remote_cpu_utilization, /* remote cpu */ |
| 2907 | local_service_demand, /* local service demand */ |
| 2908 | remote_service_demand, /* remote service demand */ |
| 2909 | ((print_headers) || |
| 2910 | (result_brand == NULL)) ? "" : result_brand); |
| 2911 | fprintf(where, |
| 2912 | cpu_fmt_1_line_2, |
| 2913 | rss_size, |
| 2914 | rsr_size); |
| 2915 | break; |
| 2916 | } |
| 2917 | } |
| 2918 | else { |
| 2919 | /* The tester did not wish to measure service demand. */ |
| 2920 | |
| 2921 | switch (verbosity) { |
| 2922 | case 0: |
| 2923 | fprintf(where, |
| 2924 | tput_fmt_0, |
| 2925 | thruput, |
| 2926 | ((print_headers) || |
| 2927 | (result_brand == NULL)) ? "" : result_brand); |
| 2928 | break; |
| 2929 | case 1: |
| 2930 | case 2: |
| 2931 | if (print_headers) { |
| 2932 | fprintf(where,tput_title,format_units()); |
| 2933 | } |
| 2934 | |
| 2935 | fprintf(where, |
| 2936 | tput_fmt_1_line_1, /* the format string */ |
| 2937 | lss_size, |
| 2938 | lsr_size, |
| 2939 | req_size, /* how large were the requests */ |
| 2940 | rsp_size, /* how large were the responses */ |
| 2941 | elapsed_time, /* how long did it take */ |
| 2942 | thruput, |
| 2943 | ((print_headers) || |
| 2944 | (result_brand == NULL)) ? "" : result_brand); |
| 2945 | fprintf(where, |
| 2946 | tput_fmt_1_line_2, |
| 2947 | rss_size, /* remote recvbuf size */ |
| 2948 | rsr_size); |
| 2949 | |
| 2950 | break; |
| 2951 | } |
| 2952 | } |
| 2953 | |
| 2954 | /* it would be a good thing to include information about some of the */ |
| 2955 | /* other parameters that may have been set for this test, but at the */ |
| 2956 | /* moment, I do not wish to figure-out all the formatting, so I will */ |
| 2957 | /* just put this comment here to help remind me that it is something */ |
| 2958 | /* that should be done at a later time. */ |
| 2959 | |
| 2960 | /* how to handle the verbose information in the presence of */ |
| 2961 | /* confidence intervals is yet to be determined... raj 11/94 */ |
| 2962 | if (verbosity > 1) { |
| 2963 | /* The user wanted to know it all, so we will give it to him. */ |
| 2964 | /* This information will include as much as we can find about */ |
| 2965 | /* SDP statistics, the alignments of the sends and receives */ |
| 2966 | /* and all that sort of rot... */ |
| 2967 | |
| 2968 | fprintf(where, |
| 2969 | ksink_fmt, |
| 2970 | local_send_align, |
| 2971 | remote_recv_offset, |
| 2972 | local_send_offset, |
| 2973 | remote_recv_offset); |
| 2974 | |
| 2975 | #ifdef WANT_HISTOGRAM |
| 2976 | fprintf(where,"\nHistogram of request/response times\n"); |
| 2977 | fflush(where); |
| 2978 | HIST_report(time_hist); |
| 2979 | #endif /* WANT_HISTOGRAM */ |
| 2980 | |
| 2981 | } |
| 2982 | |
| 2983 | } |
| 2984 | /* this routine implements the receive (netserver) side of a SDP_RR */ |
| 2985 | /* test */ |
| 2986 | void |
| 2987 | recv_sdp_rr() |
| 2988 | { |
| 2989 | |
| 2990 | struct ring_elt *send_ring; |
| 2991 | struct ring_elt *recv_ring; |
| 2992 | |
| 2993 | struct addrinfo *local_res; |
| 2994 | char local_name[BUFSIZ]; |
| 2995 | char port_buffer[PORTBUFSIZE]; |
| 2996 | |
| 2997 | struct sockaddr_in myaddr_in, |
| 2998 | peeraddr_in; |
| 2999 | SOCKET s_listen,s_data; |
| 3000 | netperf_socklen_t addrlen; |
| 3001 | char *temp_message_ptr; |
| 3002 | int trans_received; |
| 3003 | int trans_remaining; |
| 3004 | int bytes_sent; |
| 3005 | int request_bytes_recvd; |
| 3006 | int request_bytes_remaining; |
| 3007 | int timed_out = 0; |
| 3008 | int sock_closed = 0; |
| 3009 | float elapsed_time; |
| 3010 | |
| 3011 | struct sdp_rr_request_struct *sdp_rr_request; |
| 3012 | struct sdp_rr_response_struct *sdp_rr_response; |
| 3013 | struct sdp_rr_results_struct *sdp_rr_results; |
| 3014 | |
| 3015 | sdp_rr_request = |
| 3016 | (struct sdp_rr_request_struct *)netperf_request.content.test_specific_data; |
| 3017 | sdp_rr_response = |
| 3018 | (struct sdp_rr_response_struct *)netperf_response.content.test_specific_data; |
| 3019 | sdp_rr_results = |
| 3020 | (struct sdp_rr_results_struct *)netperf_response.content.test_specific_data; |
| 3021 | |
| 3022 | if (debug) { |
| 3023 | fprintf(where,"netserver: recv_sdp_rr: entered...\n"); |
| 3024 | fflush(where); |
| 3025 | } |
| 3026 | |
| 3027 | /* We want to set-up the listen socket with all the desired */ |
| 3028 | /* parameters and then let the initiator know that all is ready. If */ |
| 3029 | /* socket size defaults are to be used, then the initiator will have */ |
| 3030 | /* sent us 0's. If the socket sizes cannot be changed, then we will */ |
| 3031 | /* send-back what they are. If that information cannot be determined, */ |
| 3032 | /* then we send-back -1's for the sizes. If things go wrong for any */ |
| 3033 | /* reason, we will drop back ten yards and punt. */ |
| 3034 | |
| 3035 | /* If anything goes wrong, we want the remote to know about it. It */ |
| 3036 | /* would be best if the error that the remote reports to the user is */ |
| 3037 | /* the actual error we encountered, rather than some bogus unexpected */ |
| 3038 | /* response type message. */ |
| 3039 | |
| 3040 | if (debug) { |
| 3041 | fprintf(where,"recv_sdp_rr: setting the response type...\n"); |
| 3042 | fflush(where); |
| 3043 | } |
| 3044 | |
| 3045 | netperf_response.content.response_type = SDP_RR_RESPONSE; |
| 3046 | |
| 3047 | if (debug) { |
| 3048 | fprintf(where,"recv_sdp_rr: the response type is set...\n"); |
| 3049 | fflush(where); |
| 3050 | } |
| 3051 | |
| 3052 | /* allocate the recv and send rings with the requested alignments */ |
| 3053 | /* and offsets. raj 7/94 */ |
| 3054 | if (debug) { |
| 3055 | fprintf(where,"recv_sdp_rr: requested recv alignment of %d offset %d\n", |
| 3056 | sdp_rr_request->recv_alignment, |
| 3057 | sdp_rr_request->recv_offset); |
| 3058 | fprintf(where,"recv_sdp_rr: requested send alignment of %d offset %d\n", |
| 3059 | sdp_rr_request->send_alignment, |
| 3060 | sdp_rr_request->send_offset); |
| 3061 | fflush(where); |
| 3062 | } |
| 3063 | |
| 3064 | /* at some point, these need to come to us from the remote system */ |
| 3065 | if (send_width == 0) send_width = 1; |
| 3066 | if (recv_width == 0) recv_width = 1; |
| 3067 | |
| 3068 | send_ring = allocate_buffer_ring(send_width, |
| 3069 | sdp_rr_request->response_size, |
| 3070 | sdp_rr_request->send_alignment, |
| 3071 | sdp_rr_request->send_offset); |
| 3072 | |
| 3073 | recv_ring = allocate_buffer_ring(recv_width, |
| 3074 | sdp_rr_request->request_size, |
| 3075 | sdp_rr_request->recv_alignment, |
| 3076 | sdp_rr_request->recv_offset); |
| 3077 | |
| 3078 | |
| 3079 | /* Grab a socket to listen on, and then listen on it. */ |
| 3080 | |
| 3081 | if (debug) { |
| 3082 | fprintf(where,"recv_sdp_rr: grabbing a socket...\n"); |
| 3083 | fflush(where); |
| 3084 | } |
| 3085 | |
| 3086 | /* create_data_socket expects to find some things in the global */ |
| 3087 | /* variables, so set the globals based on the values in the request. */ |
| 3088 | /* once the socket has been created, we will set the response values */ |
| 3089 | /* based on the updated value of those globals. raj 7/94 */ |
| 3090 | lss_size_req = sdp_rr_request->send_buf_size; |
| 3091 | lsr_size_req = sdp_rr_request->recv_buf_size; |
| 3092 | loc_nodelay = sdp_rr_request->no_delay; |
| 3093 | loc_rcvavoid = sdp_rr_request->so_rcvavoid; |
| 3094 | loc_sndavoid = sdp_rr_request->so_sndavoid; |
| 3095 | |
| 3096 | set_hostname_and_port(local_name, |
| 3097 | port_buffer, |
| 3098 | nf_to_af(sdp_rr_request->ipfamily), |
| 3099 | sdp_rr_request->port); |
| 3100 | |
| 3101 | local_res = complete_addrinfo(local_name, |
| 3102 | local_name, |
| 3103 | port_buffer, |
| 3104 | nf_to_af(sdp_rr_request->ipfamily), |
| 3105 | SOCK_STREAM, |
| 3106 | IPPROTO_TCP, |
| 3107 | 0); |
| 3108 | |
| 3109 | /* fake things out by changing local_res->ai_family to AF_INET_SDP */ |
| 3110 | local_res->ai_family = AF_INET_SDP; |
| 3111 | local_res->ai_protocol = 0; |
| 3112 | s_listen = create_data_socket(local_res); |
| 3113 | |
| 3114 | if (s_listen == INVALID_SOCKET) { |
| 3115 | netperf_response.content.serv_errno = errno; |
| 3116 | send_response(); |
| 3117 | |
| 3118 | exit(1); |
| 3119 | } |
| 3120 | |
| 3121 | |
| 3122 | #ifdef WIN32 |
| 3123 | /* The test timer can fire during operations on the listening socket, |
| 3124 | so to make the start_timer below work we have to move |
| 3125 | it to close s_listen while we are blocked on accept. */ |
| 3126 | win_kludge_socket2 = s_listen; |
| 3127 | #endif |
| 3128 | |
| 3129 | |
| 3130 | /* Now, let's set-up the socket to listen for connections */ |
| 3131 | if (listen(s_listen, 5) == SOCKET_ERROR) { |
| 3132 | netperf_response.content.serv_errno = errno; |
| 3133 | close(s_listen); |
| 3134 | send_response(); |
| 3135 | |
| 3136 | exit(1); |
| 3137 | } |
| 3138 | |
| 3139 | |
| 3140 | /* now get the port number assigned by the system */ |
| 3141 | addrlen = sizeof(myaddr_in); |
| 3142 | if (getsockname(s_listen, |
| 3143 | (struct sockaddr *)&myaddr_in, |
| 3144 | &addrlen) == SOCKET_ERROR) { |
| 3145 | netperf_response.content.serv_errno = errno; |
| 3146 | close(s_listen); |
| 3147 | send_response(); |
| 3148 | |
| 3149 | exit(1); |
| 3150 | } |
| 3151 | |
| 3152 | /* Now myaddr_in contains the port and the internet address this is */ |
| 3153 | /* returned to the sender also implicitly telling the sender that the */ |
| 3154 | /* socket buffer sizing has been done. */ |
| 3155 | |
| 3156 | sdp_rr_response->data_port_number = (int) ntohs(myaddr_in.sin_port); |
| 3157 | netperf_response.content.serv_errno = 0; |
| 3158 | |
| 3159 | /* But wait, there's more. If the initiator wanted cpu measurements, */ |
| 3160 | /* then we must call the calibrate routine, which will return the max */ |
| 3161 | /* rate back to the initiator. If the CPU was not to be measured, or */ |
| 3162 | /* something went wrong with the calibration, we will return a 0.0 to */ |
| 3163 | /* the initiator. */ |
| 3164 | |
| 3165 | sdp_rr_response->cpu_rate = (float)0.0; /* assume no cpu */ |
| 3166 | sdp_rr_response->measure_cpu = 0; |
| 3167 | |
| 3168 | if (sdp_rr_request->measure_cpu) { |
| 3169 | sdp_rr_response->measure_cpu = 1; |
| 3170 | sdp_rr_response->cpu_rate = calibrate_local_cpu(sdp_rr_request->cpu_rate); |
| 3171 | } |
| 3172 | |
| 3173 | |
| 3174 | /* before we send the response back to the initiator, pull some of */ |
| 3175 | /* the socket parms from the globals */ |
| 3176 | sdp_rr_response->send_buf_size = lss_size; |
| 3177 | sdp_rr_response->recv_buf_size = lsr_size; |
| 3178 | sdp_rr_response->no_delay = loc_nodelay; |
| 3179 | sdp_rr_response->so_rcvavoid = loc_rcvavoid; |
| 3180 | sdp_rr_response->so_sndavoid = loc_sndavoid; |
| 3181 | sdp_rr_response->test_length = sdp_rr_request->test_length; |
| 3182 | send_response(); |
| 3183 | |
| 3184 | addrlen = sizeof(peeraddr_in); |
| 3185 | |
| 3186 | if ((s_data = accept(s_listen, |
| 3187 | (struct sockaddr *)&peeraddr_in, |
| 3188 | &addrlen)) == INVALID_SOCKET) { |
| 3189 | /* Let's just punt. The remote will be given some information */ |
| 3190 | close(s_listen); |
| 3191 | |
| 3192 | exit(1); |
| 3193 | } |
| 3194 | |
| 3195 | #ifdef KLUDGE_SOCKET_OPTIONS |
| 3196 | /* this is for those systems which *INCORRECTLY* fail to pass */ |
| 3197 | /* attributes across an accept() call. Including this goes against */ |
| 3198 | /* my better judgement :( raj 11/95 */ |
| 3199 | |
| 3200 | kludge_socket_options(s_data); |
| 3201 | |
| 3202 | #endif /* KLUDGE_SOCKET_OPTIONS */ |
| 3203 | |
| 3204 | #ifdef WIN32 |
| 3205 | /* this is used so the timer thread can close the socket out from */ |
| 3206 | /* under us, which to date is the easiest/cleanest/least */ |
| 3207 | /* Windows-specific way I can find to force the winsock calls to */ |
| 3208 | /* return WSAEINTR with the test is over. anything that will run on */ |
| 3209 | /* 95 and NT and is closer to what netperf expects from Unix signals */ |
| 3210 | /* and such would be appreciated raj 1/96 */ |
| 3211 | win_kludge_socket = s_data; |
| 3212 | #endif /* WIN32 */ |
| 3213 | |
| 3214 | if (debug) { |
| 3215 | fprintf(where,"recv_sdp_rr: accept completes on the data connection.\n"); |
| 3216 | fflush(where); |
| 3217 | } |
| 3218 | |
| 3219 | /* Now it's time to start receiving data on the connection. We will */ |
| 3220 | /* first grab the apropriate counters and then start grabbing. */ |
| 3221 | |
| 3222 | cpu_start(sdp_rr_request->measure_cpu); |
| 3223 | |
| 3224 | /* The loop will exit when we hit the end of the test time, or when */ |
| 3225 | /* we have exchanged the requested number of transactions. */ |
| 3226 | |
| 3227 | if (sdp_rr_request->test_length > 0) { |
| 3228 | times_up = 0; |
| 3229 | trans_remaining = 0; |
| 3230 | start_timer(sdp_rr_request->test_length + PAD_TIME); |
| 3231 | } |
| 3232 | else { |
| 3233 | times_up = 1; |
| 3234 | trans_remaining = sdp_rr_request->test_length * -1; |
| 3235 | } |
| 3236 | |
| 3237 | trans_received = 0; |
| 3238 | |
| 3239 | while ((!times_up) || (trans_remaining > 0)) { |
| 3240 | temp_message_ptr = recv_ring->buffer_ptr; |
| 3241 | request_bytes_remaining = sdp_rr_request->request_size; |
| 3242 | while(request_bytes_remaining > 0) { |
| 3243 | if((request_bytes_recvd=recv(s_data, |
| 3244 | temp_message_ptr, |
| 3245 | request_bytes_remaining, |
| 3246 | 0)) == SOCKET_ERROR) { |
| 3247 | if (SOCKET_EINTR(request_bytes_recvd)) |
| 3248 | { |
| 3249 | timed_out = 1; |
| 3250 | break; |
| 3251 | } |
| 3252 | |
| 3253 | netperf_response.content.serv_errno = errno; |
| 3254 | send_response(); |
| 3255 | exit(1); |
| 3256 | } |
| 3257 | else if( request_bytes_recvd == 0 ) { |
| 3258 | if (debug) { |
| 3259 | fprintf(where,"zero is my hero\n"); |
| 3260 | fflush(where); |
| 3261 | } |
| 3262 | sock_closed = 1; |
| 3263 | break; |
| 3264 | } |
| 3265 | else { |
| 3266 | request_bytes_remaining -= request_bytes_recvd; |
| 3267 | temp_message_ptr += request_bytes_recvd; |
| 3268 | } |
| 3269 | } |
| 3270 | |
| 3271 | recv_ring = recv_ring->next; |
| 3272 | |
| 3273 | if ((timed_out) || (sock_closed)) { |
| 3274 | /* we hit the end of the test based on time - or the socket |
| 3275 | closed on us along the way. bail out of here now... */ |
| 3276 | if (debug) { |
| 3277 | fprintf(where,"yo5\n"); |
| 3278 | fflush(where); |
| 3279 | } |
| 3280 | break; |
| 3281 | } |
| 3282 | |
| 3283 | /* Now, send the response to the remote */ |
| 3284 | if((bytes_sent=send(s_data, |
| 3285 | send_ring->buffer_ptr, |
| 3286 | sdp_rr_request->response_size, |
| 3287 | 0)) == SOCKET_ERROR) { |
| 3288 | if (SOCKET_EINTR(bytes_sent)) { |
| 3289 | /* the test timer has popped */ |
| 3290 | timed_out = 1; |
| 3291 | fprintf(where,"yo6\n"); |
| 3292 | fflush(where); |
| 3293 | break; |
| 3294 | } |
| 3295 | netperf_response.content.serv_errno = 992; |
| 3296 | send_response(); |
| 3297 | exit(1); |
| 3298 | } |
| 3299 | |
| 3300 | send_ring = send_ring->next; |
| 3301 | |
| 3302 | trans_received++; |
| 3303 | if (trans_remaining) { |
| 3304 | trans_remaining--; |
| 3305 | } |
| 3306 | } |
| 3307 | |
| 3308 | |
| 3309 | /* The loop now exits due to timeout or transaction count being */ |
| 3310 | /* reached */ |
| 3311 | |
| 3312 | cpu_stop(sdp_rr_request->measure_cpu,&elapsed_time); |
| 3313 | |
| 3314 | stop_timer(); |
| 3315 | |
| 3316 | if (timed_out) { |
| 3317 | /* we ended the test by time, which was at least 2 seconds */ |
| 3318 | /* longer than we wanted to run. so, we want to subtract */ |
| 3319 | /* PAD_TIME from the elapsed_time. */ |
| 3320 | elapsed_time -= PAD_TIME; |
| 3321 | } |
| 3322 | |
| 3323 | /* send the results to the sender */ |
| 3324 | |
| 3325 | if (debug) { |
| 3326 | fprintf(where, |
| 3327 | "recv_sdp_rr: got %d transactions\n", |
| 3328 | trans_received); |
| 3329 | fflush(where); |
| 3330 | } |
| 3331 | |
| 3332 | sdp_rr_results->bytes_received = (trans_received * |
| 3333 | (sdp_rr_request->request_size + |
| 3334 | sdp_rr_request->response_size)); |
| 3335 | sdp_rr_results->trans_received = trans_received; |
| 3336 | sdp_rr_results->elapsed_time = elapsed_time; |
| 3337 | sdp_rr_results->cpu_method = cpu_method; |
| 3338 | sdp_rr_results->num_cpus = lib_num_loc_cpus; |
| 3339 | if (sdp_rr_request->measure_cpu) { |
| 3340 | sdp_rr_results->cpu_util = calc_cpu_util(elapsed_time); |
| 3341 | } |
| 3342 | |
| 3343 | if (debug) { |
| 3344 | fprintf(where, |
| 3345 | "recv_sdp_rr: test complete, sending results.\n"); |
| 3346 | fflush(where); |
| 3347 | } |
| 3348 | |
| 3349 | /* we are now done with the sockets */ |
| 3350 | close(s_data); |
| 3351 | close(s_listen); |
| 3352 | |
| 3353 | send_response(); |
| 3354 | |
| 3355 | } |
| 3356 | |
| 3357 | |
| 3358 | |
| 3359 | void |
| 3360 | print_sdp_usage() |
| 3361 | { |
| 3362 | |
| 3363 | printf("%s",sdp_usage); |
| 3364 | exit(1); |
| 3365 | |
| 3366 | } |
| 3367 | void |
| 3368 | scan_sdp_args(argc, argv) |
| 3369 | int argc; |
| 3370 | char *argv[]; |
| 3371 | |
| 3372 | { |
| 3373 | |
| 3374 | #define SOCKETS_ARGS "b:DhH:I:L:m:M:P:r:s:S:V46" |
| 3375 | |
| 3376 | extern char *optarg; /* pointer to option string */ |
| 3377 | |
| 3378 | int c; |
| 3379 | |
| 3380 | char |
| 3381 | arg1[BUFSIZ], /* argument holders */ |
| 3382 | arg2[BUFSIZ]; |
| 3383 | |
| 3384 | if (no_control) { |
| 3385 | fprintf(where, |
| 3386 | "The SDP tests do not know how to deal with no control tests\n"); |
| 3387 | exit(-1); |
| 3388 | } |
| 3389 | |
| 3390 | strncpy(local_data_port,"0",sizeof(local_data_port)); |
| 3391 | strncpy(remote_data_port,"0",sizeof(remote_data_port)); |
| 3392 | |
| 3393 | /* Go through all the command line arguments and break them */ |
| 3394 | /* out. For those options that take two parms, specifying only */ |
| 3395 | /* the first will set both to that value. Specifying only the */ |
| 3396 | /* second will leave the first untouched. To change only the */ |
| 3397 | /* first, use the form "first," (see the routine break_args.. */ |
| 3398 | |
| 3399 | while ((c= getopt(argc, argv, SOCKETS_ARGS)) != EOF) { |
| 3400 | switch (c) { |
| 3401 | case '?': |
| 3402 | case '4': |
| 3403 | remote_data_family = AF_INET; |
| 3404 | local_data_family = AF_INET; |
| 3405 | break; |
| 3406 | case '6': |
| 3407 | #if defined(AF_INET6) |
| 3408 | remote_data_family = AF_INET6; |
| 3409 | local_data_family = AF_INET6; |
| 3410 | #else |
| 3411 | fprintf(stderr, |
| 3412 | "This netperf was not compiled on an IPv6 capable host!\n"); |
| 3413 | fflush(stderr); |
| 3414 | exit(-1); |
| 3415 | #endif |
| 3416 | break; |
| 3417 | case 'h': |
| 3418 | print_sdp_usage(); |
| 3419 | exit(1); |
| 3420 | case 'b': |
| 3421 | #ifdef WANT_FIRST_BURST |
| 3422 | first_burst_size = atoi(optarg); |
| 3423 | #else /* WANT_FIRST_BURST */ |
| 3424 | printf("Initial request burst functionality not compiled-in!\n"); |
| 3425 | #endif /* WANT_FIRST_BURST */ |
| 3426 | break; |
| 3427 | case 'D': |
| 3428 | /* set the nodelay flag */ |
| 3429 | loc_nodelay = 1; |
| 3430 | rem_nodelay = 1; |
| 3431 | break; |
| 3432 | case 'H': |
| 3433 | break_args_explicit(optarg,arg1,arg2); |
| 3434 | if (arg1[0]) { |
| 3435 | /* make sure we leave room for the NULL termination boys and |
| 3436 | girls. raj 2005-02-82 */ |
| 3437 | remote_data_address = malloc(strlen(arg1)+1); |
| 3438 | strncpy(remote_data_address,arg1,strlen(arg1)); |
| 3439 | } |
| 3440 | if (arg2[0]) |
| 3441 | remote_data_family = parse_address_family(arg2); |
| 3442 | break; |
| 3443 | case 'L': |
| 3444 | break_args_explicit(optarg,arg1,arg2); |
| 3445 | if (arg1[0]) { |
| 3446 | /* make sure we leave room for the NULL termination boys and |
| 3447 | girls. raj 2005-02-82 */ |
| 3448 | local_data_address = malloc(strlen(arg1)+1); |
| 3449 | strncpy(local_data_address,arg1,strlen(arg1)); |
| 3450 | } |
| 3451 | if (arg2[0]) |
| 3452 | local_data_family = parse_address_family(arg2); |
| 3453 | break; |
| 3454 | case 'P': |
| 3455 | /* set the local and remote data port numbers for the tests to |
| 3456 | allow them to run through those blankety blank end-to-end |
| 3457 | breaking firewalls. raj 2004-06-15 */ |
| 3458 | break_args(optarg,arg1,arg2); |
| 3459 | if (arg1[0]) |
| 3460 | strncpy(local_data_port,arg1,sizeof(local_data_port)); |
| 3461 | if (arg2[0]) |
| 3462 | strncpy(remote_data_port,arg2,sizeof(remote_data_port)); |
| 3463 | break; |
| 3464 | case 's': |
| 3465 | /* set local socket sizes */ |
| 3466 | break_args(optarg,arg1,arg2); |
| 3467 | if (arg1[0]) |
| 3468 | lss_size_req = convert(arg1); |
| 3469 | if (arg2[0]) |
| 3470 | lsr_size_req = convert(arg2); |
| 3471 | break; |
| 3472 | case 'S': |
| 3473 | /* set remote socket sizes */ |
| 3474 | break_args(optarg,arg1,arg2); |
| 3475 | if (arg1[0]) |
| 3476 | rss_size_req = convert(arg1); |
| 3477 | if (arg2[0]) |
| 3478 | rsr_size_req = convert(arg2); |
| 3479 | break; |
| 3480 | case 'r': |
| 3481 | /* set the request/response sizes */ |
| 3482 | break_args(optarg,arg1,arg2); |
| 3483 | if (arg1[0]) |
| 3484 | req_size = convert(arg1); |
| 3485 | if (arg2[0]) |
| 3486 | rsp_size = convert(arg2); |
| 3487 | break; |
| 3488 | case 'm': |
| 3489 | /* set size of the buffer for each sent message */ |
| 3490 | send_size = convert(optarg); |
| 3491 | break; |
| 3492 | case 'M': |
| 3493 | /* set the size of the buffer for each received message */ |
| 3494 | recv_size = convert(optarg); |
| 3495 | break; |
| 3496 | case 't': |
| 3497 | /* set the test name */ |
| 3498 | strcpy(test_name,optarg); |
| 3499 | break; |
| 3500 | case 'W': |
| 3501 | /* set the "width" of the user space data */ |
| 3502 | /* buffer. This will be the number of */ |
| 3503 | /* send_size buffers malloc'd in the */ |
| 3504 | /* *_STREAM test. It may be enhanced to set */ |
| 3505 | /* both send and receive "widths" but for now */ |
| 3506 | /* it is just the sending *_STREAM. */ |
| 3507 | send_width = convert(optarg); |
| 3508 | break; |
| 3509 | case 'V': |
| 3510 | /* we want to do copy avoidance and will set */ |
| 3511 | /* it for everything, everywhere, if we really */ |
| 3512 | /* can. of course, we don't know anything */ |
| 3513 | /* about the remote... */ |
| 3514 | #ifdef SO_SND_COPYAVOID |
| 3515 | loc_sndavoid = 1; |
| 3516 | #else |
| 3517 | loc_sndavoid = 0; |
| 3518 | printf("Local send copy avoidance not available.\n"); |
| 3519 | #endif |
| 3520 | #ifdef SO_RCV_COPYAVOID |
| 3521 | loc_rcvavoid = 1; |
| 3522 | #else |
| 3523 | loc_rcvavoid = 0; |
| 3524 | printf("Local recv copy avoidance not available.\n"); |
| 3525 | #endif |
| 3526 | rem_sndavoid = 1; |
| 3527 | rem_rcvavoid = 1; |
| 3528 | break; |
| 3529 | case 'N': |
| 3530 | /* this opton allows the user to set the number of |
| 3531 | * messages to send. This in effect modifies the test |
| 3532 | * time. If we know the message size, then the we can |
| 3533 | * express the test time as message_size * number_messages |
| 3534 | */ |
| 3535 | msg_count = convert (optarg); |
| 3536 | if (msg_count > 0) |
| 3537 | test_time = 0; |
| 3538 | break; |
| 3539 | case 'B': |
| 3540 | non_block = 1; |
| 3541 | break; |
| 3542 | case 'T': |
| 3543 | num_associations = atoi(optarg); |
| 3544 | if (num_associations <= 1) { |
| 3545 | printf("Number of SDP associations must be >= 1\n"); |
| 3546 | exit(1); |
| 3547 | } |
| 3548 | break; |
| 3549 | }; |
| 3550 | } |
| 3551 | } |
| 3552 | |
| 3553 | #endif /* WANT_SDP */ |