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Diffstat (limited to 'sunrpc/tst-udp-garbage.c')
-rw-r--r-- | sunrpc/tst-udp-garbage.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/sunrpc/tst-udp-garbage.c b/sunrpc/tst-udp-garbage.c deleted file mode 100644 index 4abda93f08..0000000000 --- a/sunrpc/tst-udp-garbage.c +++ /dev/null @@ -1,104 +0,0 @@ -/* Test that garbage packets do not affect timeout handling. - Copyright (C) 2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <netinet/in.h> -#include <rpc/clnt.h> -#include <rpc/svc.h> -#include <stdbool.h> -#include <support/check.h> -#include <support/namespace.h> -#include <support/xsocket.h> -#include <support/xthread.h> -#include <sys/socket.h> -#include <unistd.h> - -/* Descriptor for the server UDP socket. */ -static int server_fd; - -static void * -garbage_sender_thread (void *unused) -{ - while (true) - { - struct sockaddr_storage sa; - socklen_t salen = sizeof (sa); - char buf[1]; - if (recvfrom (server_fd, buf, sizeof (buf), 0, - (struct sockaddr *) &sa, &salen) < 0) - FAIL_EXIT1 ("recvfrom: %m"); - - /* Send garbage packets indefinitely. */ - buf[0] = 0; - while (true) - { - /* sendto can fail if the client closed the socket. */ - if (sendto (server_fd, buf, sizeof (buf), 0, - (struct sockaddr *) &sa, salen) < 0) - break; - - /* Wait a bit, to avoid burning too many CPU cycles in a - tight loop. The wait period must be much shorter than - the client timeouts configured below. */ - usleep (50 * 1000); - } - } -} - -static int -do_test (void) -{ - support_become_root (); - support_enter_network_namespace (); - - server_fd = xsocket (AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, IPPROTO_UDP); - struct sockaddr_in server_address = - { - .sin_family = AF_INET, - .sin_addr.s_addr = htonl (INADDR_LOOPBACK), - }; - xbind (server_fd, - (struct sockaddr *) &server_address, sizeof (server_address)); - { - socklen_t sinlen = sizeof (server_address); - xgetsockname (server_fd, (struct sockaddr *) &server_address, &sinlen); - TEST_VERIFY (sizeof (server_address) == sinlen); - } - - /* Garbage packet source. */ - xpthread_detach (xpthread_create (NULL, garbage_sender_thread, NULL)); - - /* Test client. Use an arbitrary timeout of one second, which is - much longer than the garbage packet interval, but still - reasonably short, so that the test completes quickly. */ - int client_fd = RPC_ANYSOCK; - CLIENT *clnt = clntudp_create (&server_address, - 1, 2, /* Arbitrary RPC endpoint numbers. */ - (struct timeval) { 1, 0 }, - &client_fd); - if (clnt == NULL) - FAIL_EXIT1 ("clntudp_create: %m"); - - TEST_VERIFY (clnt_call (clnt, 3, /* Arbitrary RPC procedure number. */ - (xdrproc_t) xdr_void, NULL, - (xdrproc_t) xdr_void, NULL, - ((struct timeval) { 1, 0 }))); - - return 0; -} - -#include <support/test-driver.c> |