external/bsd/bind/dist/bin/tests/sock_test.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2004, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
   5  * Copyright (C) 1998-2001  Internet Software Consortium.
   6  *
   7  * Permission to use, copy, modify, and/or distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  12  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  13  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  14  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  15  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  16  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  17  * PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 /* Id: sock_test.c,v 1.55 2008/07/23 23:27:54 marka Exp */
  21
  22 #include <config.h>
  23
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <unistd.h>
  27
  28 #include <isc/mem.h>
  29 #include <isc/print.h>
  30 #include <isc/task.h>
  31 #include <isc/socket.h>
  32 #include <isc/timer.h>
  33 #include <isc/util.h>
  34
  35 isc_mem_t *mctx;
  36 isc_taskmgr_t *manager;
  37
  38 static void
  39 my_shutdown(isc_task_t *task, isc_event_t *event) {
  40         char *name = event->ev_arg;
  41
  42         printf("shutdown %s (%p)\n", name, task);
  43         fflush(stdout);
  44         isc_event_free(&event);
  45 }
  46
  47 static void
  48 my_send(isc_task_t *task, isc_event_t *event) {
  49         isc_socket_t *sock;
  50         isc_socketevent_t *dev;
  51
  52         sock = event->ev_sender;
  53         dev = (isc_socketevent_t *)event;
  54
  55         printf("my_send: %s task %p\n\t(sock %p, base %p, length %d, n %d, "
  56                "result %d)\n",
  57                (char *)(event->ev_arg), task, sock,
  58                dev->region.base, dev->region.length,
  59                dev->n, dev->result);
  60
  61         if (dev->result != ISC_R_SUCCESS) {
  62                 isc_socket_detach(&sock);
  63                 isc_task_shutdown(task);
  64         }
  65
  66         isc_mem_put(mctx, dev->region.base, dev->region.length);
  67
  68         isc_event_free(&event);
  69 }
  70
  71 static void
  72 my_recv(isc_task_t *task, isc_event_t *event) {
  73         isc_socket_t *sock;
  74         isc_socketevent_t *dev;
  75         isc_region_t region;
  76         char buf[1024];
  77         char host[256];
  78
  79         sock = event->ev_sender;
  80         dev = (isc_socketevent_t *)event;
  81
  82         printf("Socket %s (sock %p, base %p, length %d, n %d, result %d)\n",
  83                (char *)(event->ev_arg), sock,
  84                dev->region.base, dev->region.length,
  85                dev->n, dev->result);
  86         if (dev->address.type.sa.sa_family == AF_INET6) {
  87                 inet_ntop(AF_INET6, &dev->address.type.sin6.sin6_addr,
  88                           host, sizeof(host));
  89                 printf("\tFrom: %s port %d\n", host,
  90                        ntohs(dev->address.type.sin6.sin6_port));
  91         } else {
  92                 inet_ntop(AF_INET, &dev->address.type.sin.sin_addr,
  93                           host, sizeof(host));
  94                 printf("\tFrom: %s port %d\n", host,
  95                        ntohs(dev->address.type.sin.sin_port));
  96         }
  97
  98         if (dev->result != ISC_R_SUCCESS) {
  99                 isc_socket_detach(&sock);
 100
 101                 isc_mem_put(mctx, dev->region.base,
 102                             dev->region.length);
 103                 isc_event_free(&event);
 104
 105                 isc_task_shutdown(task);
 106                 return;
 107         }
 108
 109         /*
 110          * Echo the data back.
 111          */
 112         if (strcmp(event->ev_arg, "so2") != 0) {
 113                 region = dev->region;
 114                 sprintf(buf, "\r\nReceived: %.*s\r\n\r\n",
 115                         (int)dev->n, (char *)region.base);
 116                 region.base = isc_mem_get(mctx, strlen(buf) + 1);
 117                 region.length = strlen(buf) + 1;
 118                 strcpy((char *)region.base, buf);  /* strcpy is safe */
 119                 isc_socket_send(sock, &region, task, my_send, event->ev_arg);
 120         } else {
 121                 region = dev->region;
 122                 printf("\r\nReceived: %.*s\r\n\r\n",
 123                        (int)dev->n, (char *)region.base);
 124         }
 125
 126         isc_socket_recv(sock, &dev->region, 1, task, my_recv, event->ev_arg);
 127
 128         isc_event_free(&event);
 129 }
 130
 131 static void
 132 my_http_get(isc_task_t *task, isc_event_t *event) {
 133         isc_socket_t *sock;
 134         isc_socketevent_t *dev;
 135
 136         sock = event->ev_sender;
 137         dev = (isc_socketevent_t *)event;
 138
 139         printf("my_http_get: %s task %p\n\t(sock %p, base %p, length %d, "
 140                "n %d, result %d)\n",
 141                (char *)(event->ev_arg), task, sock,
 142                dev->region.base, dev->region.length,
 143                dev->n, dev->result);
 144
 145         if (dev->result != ISC_R_SUCCESS) {
 146                 isc_socket_detach(&sock);
 147                 isc_task_shutdown(task);
 148                 isc_event_free(&event);
 149                 return;
 150         }
 151
 152         isc_socket_recv(sock, &dev->region, 1, task, my_recv, event->ev_arg);
 153
 154         isc_event_free(&event);
 155 }
 156
 157 static void
 158 my_connect(isc_task_t *task, isc_event_t *event) {
 159         isc_socket_t *sock;
 160         isc_socket_connev_t *dev;
 161         isc_region_t region;
 162         char buf[1024];
 163
 164         sock = event->ev_sender;
 165         dev = (isc_socket_connev_t *)event;
 166
 167         printf("%s: Connection result:  %d\n", (char *)(event->ev_arg),
 168                dev->result);
 169
 170         if (dev->result != ISC_R_SUCCESS) {
 171                 isc_socket_detach(&sock);
 172                 isc_event_free(&event);
 173                 isc_task_shutdown(task);
 174                 return;
 175         }
 176
 177         /*
 178          * Send a GET string, and set up to receive (and just display)
 179          * the result.
 180          */
 181         strcpy(buf, "GET / HTTP/1.1\r\nHost: www.flame.org\r\n"
 182                "Connection: Close\r\n\r\n");
 183         region.base = isc_mem_get(mctx, strlen(buf) + 1);
 184         region.length = strlen(buf) + 1;
 185         strcpy((char *)region.base, buf);  /* This strcpy is safe. */
 186
 187         isc_socket_send(sock, &region, task, my_http_get, event->ev_arg);
 188
 189         isc_event_free(&event);
 190 }
 191
 192 static void
 193 my_listen(isc_task_t *task, isc_event_t *event) {
 194         char *name = event->ev_arg;
 195         isc_socket_newconnev_t *dev;
 196         isc_region_t region;
 197         isc_socket_t *oldsock;
 198         isc_task_t *newtask;
 199
 200         dev = (isc_socket_newconnev_t *)event;
 201
 202         printf("newcon %s (task %p, oldsock %p, newsock %p, result %d)\n",
 203                name, task, event->ev_sender, dev->newsocket, dev->result);
 204         fflush(stdout);
 205
 206         if (dev->result == ISC_R_SUCCESS) {
 207                 /*
 208                  * Queue another listen on this socket.
 209                  */
 210                 isc_socket_accept(event->ev_sender, task, my_listen,
 211                                   event->ev_arg);
 212
 213                 region.base = isc_mem_get(mctx, 20);
 214                 region.length = 20;
 215
 216                 /*
 217                  * Create a new task for this socket, and queue up a
 218                  * recv on it.
 219                  */
 220                 newtask = NULL;
 221                 RUNTIME_CHECK(isc_task_create(manager, 0, &newtask)
 222                               == ISC_R_SUCCESS);
 223                 isc_socket_recv(dev->newsocket, &region, 1,
 224                                 newtask, my_recv, event->ev_arg);
 225                 isc_task_detach(&newtask);
 226         } else {
 227                 printf("detaching from socket %p\n", event->ev_sender);
 228                 oldsock = event->ev_sender;
 229
 230                 isc_socket_detach(&oldsock);
 231
 232                 isc_event_free(&event);
 233                 isc_task_shutdown(task);
 234                 return;
 235         }
 236
 237         isc_event_free(&event);
 238 }
 239
 240 static void
 241 timeout(isc_task_t *task, isc_event_t *event) {
 242         isc_socket_t *sock = event->ev_arg;
 243
 244         printf("Timeout, canceling IO on socket %p (task %p)\n", sock, task);
 245
 246         isc_socket_cancel(sock, NULL, ISC_SOCKCANCEL_ALL);
 247         isc_timer_detach((isc_timer_t **)&event->ev_sender);
 248         isc_event_free(&event);
 249 }
 250
 251 int
 252 main(int argc, char *argv[]) {
 253         isc_task_t *t1, *t2;
 254         isc_timermgr_t *timgr;
 255         isc_time_t expires;
 256         isc_interval_t interval;
 257         isc_timer_t *ti1;
 258         unsigned int workers;
 259         isc_socketmgr_t *socketmgr;
 260         isc_socket_t *so1, *so2;
 261         isc_sockaddr_t sockaddr;
 262         struct in_addr ina;
 263         struct in6_addr in6a;
 264         isc_result_t result;
 265         int pf;
 266
 267         if (argc > 1)
 268                 workers = atoi(argv[1]);
 269         else
 270                 workers = 2;
 271         printf("%d workers\n", workers);
 272
 273         if (isc_net_probeipv6() == ISC_R_SUCCESS)
 274                 pf = PF_INET6;
 275         else
 276                 pf = PF_INET;
 277
 278         /*
 279          * EVERYTHING needs a memory context.
 280          */
 281         mctx = NULL;
 282         RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
 283
 284         /*
 285          * The task manager is independent (other than memory context)
 286          */
 287         manager = NULL;
 288         RUNTIME_CHECK(isc_taskmgr_create(mctx, workers, 0, &manager) ==
 289                       ISC_R_SUCCESS);
 290
 291         /*
 292          * Timer manager depends only on the memory context as well.
 293          */
 294         timgr = NULL;
 295         RUNTIME_CHECK(isc_timermgr_create(mctx, &timgr) == ISC_R_SUCCESS);
 296
 297         t1 = NULL;
 298         RUNTIME_CHECK(isc_task_create(manager, 0, &t1) == ISC_R_SUCCESS);
 299         t2 = NULL;
 300         RUNTIME_CHECK(isc_task_create(manager, 0, &t2) == ISC_R_SUCCESS);
 301         RUNTIME_CHECK(isc_task_onshutdown(t1, my_shutdown, "1") ==
 302                       ISC_R_SUCCESS);
 303         RUNTIME_CHECK(isc_task_onshutdown(t2, my_shutdown, "2") ==
 304                       ISC_R_SUCCESS);
 305
 306         printf("task 1 = %p\n", t1);
 307         printf("task 2 = %p\n", t2);
 308
 309         socketmgr = NULL;
 310         RUNTIME_CHECK(isc_socketmgr_create(mctx, &socketmgr) == ISC_R_SUCCESS);
 311
 312         /*
 313          * Open up a listener socket.
 314          */
 315         so1 = NULL;
 316
 317         if (pf == PF_INET6) {
 318                 in6a = in6addr_any;
 319                 isc_sockaddr_fromin6(&sockaddr, &in6a, 5544);
 320         } else {
 321                 ina.s_addr = INADDR_ANY;
 322                 isc_sockaddr_fromin(&sockaddr, &ina, 5544);
 323         }
 324         RUNTIME_CHECK(isc_socket_create(socketmgr, pf, isc_sockettype_tcp,
 325                                         &so1) == ISC_R_SUCCESS);
 326         result = isc_socket_bind(so1, &sockaddr, ISC_SOCKET_REUSEADDRESS);
 327         RUNTIME_CHECK(result == ISC_R_SUCCESS);
 328         RUNTIME_CHECK(isc_socket_listen(so1, 0) == ISC_R_SUCCESS);
 329
 330         /*
 331          * Queue up the first accept event.
 332          */
 333         RUNTIME_CHECK(isc_socket_accept(so1, t1, my_listen, "so1")
 334                       == ISC_R_SUCCESS);
 335         isc_time_settoepoch(&expires);
 336         isc_interval_set(&interval, 10, 0);
 337         ti1 = NULL;
 338         RUNTIME_CHECK(isc_timer_create(timgr, isc_timertype_once, &expires,
 339                                        &interval, t1, timeout, so1, &ti1) ==
 340                       ISC_R_SUCCESS);
 341
 342         /*
 343          * Open up a socket that will connect to www.flame.org, port 80.
 344          * Why not.  :)
 345          */
 346         so2 = NULL;
 347         ina.s_addr = inet_addr("204.152.184.97");
 348         if (0 && pf == PF_INET6)
 349                 isc_sockaddr_v6fromin(&sockaddr, &ina, 80);
 350         else
 351                 isc_sockaddr_fromin(&sockaddr, &ina, 80);
 352         RUNTIME_CHECK(isc_socket_create(socketmgr, isc_sockaddr_pf(&sockaddr),
 353                                         isc_sockettype_tcp,
 354                                         &so2) == ISC_R_SUCCESS);
 355
 356         RUNTIME_CHECK(isc_socket_connect(so2, &sockaddr, t2,
 357                                          my_connect, "so2") == ISC_R_SUCCESS);
 358
 359         /*
 360          * Detaching these is safe, since the socket will attach to the
 361          * task for any outstanding requests.
 362          */
 363         isc_task_detach(&t1);
 364         isc_task_detach(&t2);
 365
 366         /*
 367          * Wait a short while.
 368          */
 369         sleep(10);
 370
 371         fprintf(stderr, "Destroying socket manager\n");
 372         isc_socketmgr_destroy(&socketmgr);
 373
 374         fprintf(stderr, "Destroying timer manager\n");
 375         isc_timermgr_destroy(&timgr);
 376
 377         fprintf(stderr, "Destroying task manager\n");
 378         isc_taskmgr_destroy(&manager);
 379
 380         isc_mem_stats(mctx, stdout);
 381         isc_mem_destroy(&mctx);
 382
 383         return (0);
 384 }