2006-10-25 11:20:44 +02:00
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/*****************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* $Id$
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*/
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2004-11-19 09:52:33 +01:00
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#include "test.h"
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2004-11-22 23:26:46 +01:00
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#ifdef HAVE_SYS_TYPES_H
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2004-11-19 09:52:33 +01:00
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#include <sys/types.h>
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2004-11-22 23:26:46 +01:00
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#endif
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#ifdef HAVE_SYS_STAT_H
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2004-11-19 09:52:33 +01:00
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#include <sys/stat.h>
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2004-11-22 23:26:46 +01:00
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef HAVE_SYS_RESOURCE_H
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#include <sys/resource.h>
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#endif
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#ifdef HAVE_FCNTL_H
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2004-11-19 09:52:33 +01:00
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#include <fcntl.h>
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2004-11-22 23:26:46 +01:00
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#endif
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#ifdef UNISTD_H
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#include <unistd.h>
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#endif
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2004-11-19 09:52:33 +01:00
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#include <mprintf.h>
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#ifndef FD_SETSIZE
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#error "this test requires FD_SETSIZE"
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#endif
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#define NUM_OPEN (FD_SETSIZE + 10)
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2004-11-22 23:26:46 +01:00
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#define NUM_NEEDED (NUM_OPEN + 16)
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2004-11-19 09:52:33 +01:00
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2006-10-11 18:01:16 +02:00
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#if defined(WIN32) || defined(_WIN32) || defined(MSDOS)
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2004-11-19 14:50:41 +01:00
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#define DEV_NULL "NUL"
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#else
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#define DEV_NULL "/dev/null"
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#endif
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2004-11-22 23:26:46 +01:00
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#if defined(HAVE_GETRLIMIT) && defined(HAVE_SETRLIMIT)
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2004-11-23 10:50:16 +01:00
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2004-12-01 11:34:46 +01:00
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static int fd[NUM_OPEN];
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2006-10-25 07:59:46 +02:00
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/*
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* our_errno() returns the NOT *socket-related* errno (or equivalent)
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* on this platform to hide platform specific for the calling function.
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*/
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static int our_errno(void)
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{
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#ifdef WIN32
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return (int)GetLastError();
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#else
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return errno;
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#endif
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}
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2006-10-26 15:55:24 +02:00
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static void close_file_descriptors(void)
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{
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int i;
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for (i = 0; i < NUM_OPEN; i++) {
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close(fd[i]);
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fd[i] = -1;
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}
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}
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static int rlimit(int keep_open)
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2004-11-19 09:52:33 +01:00
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{
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2004-12-01 11:34:46 +01:00
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int i;
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2004-11-22 23:26:46 +01:00
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struct rlimit rl;
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2006-10-26 15:55:24 +02:00
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char strbuff[81];
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char fmt_d[] = "%d";
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char fmt_ld[] = "%ld";
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char fmt_lld[] = "%lld";
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char *fmt;
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if (sizeof(rl.rlim_max) < sizeof(long))
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fmt = fmt_d;
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else if (sizeof(rl.rlim_max) == sizeof(long))
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fmt = fmt_ld;
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else
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fmt = fmt_lld;
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2004-11-28 09:57:03 +01:00
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fprintf(stderr, "NUM_OPEN: %d\n", NUM_OPEN);
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fprintf(stderr, "NUM_NEEDED: %d\n", NUM_NEEDED);
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2004-11-22 23:26:46 +01:00
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/* get open file limits */
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2006-10-26 15:55:24 +02:00
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if (getrlimit(RLIMIT_NOFILE, &rl) != 0) {
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fprintf(stderr, "warning: getrlimit: failed to get RLIMIT_NOFILE "
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"with errno %d\n", our_errno());
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2004-11-23 10:50:16 +01:00
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return -1;
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2004-11-22 23:26:46 +01:00
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}
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/* check that hard limit is high enough */
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2006-10-26 15:55:24 +02:00
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#ifdef RLIM_INFINITY
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if (rl.rlim_max != RLIM_INFINITY)
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#endif
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if ((rl.rlim_max > 0) && (rl.rlim_max < NUM_NEEDED)) {
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sprintf(strbuff, fmt, rl.rlim_max);
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fprintf(stderr, "warning: RLIMIT_NOFILE hard limit %s < %d\n",
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strbuff, NUM_NEEDED);
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return -2;
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}
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2004-11-22 23:26:46 +01:00
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/* increase soft limit if needed */
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2006-10-26 15:55:24 +02:00
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#ifdef RLIM_INFINITY
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if (rl.rlim_cur != RLIM_INFINITY)
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#endif
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if ((rl.rlim_cur > 0) && (rl.rlim_cur < NUM_NEEDED)) {
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rl.rlim_cur = NUM_NEEDED;
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if (setrlimit(RLIMIT_NOFILE, &rl) != 0) {
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fprintf(stderr, "warning: setrlimit: failed to set RLIMIT_NOFILE "
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"with errno %d\n", our_errno());
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return -3;
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}
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/* verify that it has been increased */
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if (getrlimit(RLIMIT_NOFILE, &rl) != 0) {
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fprintf(stderr, "warning: getrlimit: failed to get RLIMIT_NOFILE "
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"with errno %d\n", our_errno());
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return -4;
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}
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if ((rl.rlim_cur > 0) && (rl.rlim_cur < NUM_NEEDED)) {
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sprintf(strbuff, fmt, rl.rlim_cur);
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fprintf(stderr, "warning: RLIMIT_NOFILE soft limit %s < %d\n",
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strbuff, NUM_NEEDED);
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return -5;
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}
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2004-12-01 11:34:46 +01:00
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}
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2006-10-26 15:55:24 +02:00
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#ifdef RLIM_INFINITY
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if (rl.rlim_cur == RLIM_INFINITY)
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fprintf(stderr, "SOFT_LIMIT: INFINITY\n");
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else
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#endif
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{
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sprintf(strbuff, fmt, rl.rlim_cur);
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fprintf(stderr, "SOFT_LIMIT: %s\n", strbuff);
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}
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#ifdef RLIM_INFINITY
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if (rl.rlim_max == RLIM_INFINITY)
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fprintf(stderr, "HARD_LIMIT: INFINITY\n");
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else
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#endif
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{
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sprintf(strbuff, fmt, rl.rlim_max);
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fprintf(stderr, "HARD_LIMIT: %s\n", strbuff);
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2004-12-01 11:34:46 +01:00
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}
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/* open a dummy descriptor */
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fd[0] = open(DEV_NULL, O_RDONLY);
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2006-10-26 15:55:24 +02:00
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if (fd[0] < 0) {
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2006-10-25 07:59:46 +02:00
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fprintf(stderr, "open: failed to open %s "
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"with errno %d\n", DEV_NULL, our_errno());
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2006-10-26 15:55:24 +02:00
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return -6;
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2004-12-01 11:34:46 +01:00
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}
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/* create a bunch of file descriptors */
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for (i = 1; i < NUM_OPEN; i++) {
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fd[i] = dup(fd[0]);
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2006-10-26 15:55:24 +02:00
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if (fd[i] < 0) {
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2006-10-25 07:59:46 +02:00
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fprintf(stderr, "dup: attempt #%d failed "
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"with errno %d\n", i, our_errno());
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2004-12-01 11:34:46 +01:00
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for (i--; i >= 0; i--)
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close(fd[i]);
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2006-10-26 15:55:24 +02:00
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return -7;
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2004-11-23 10:50:16 +01:00
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}
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}
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2004-12-01 11:34:46 +01:00
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2006-10-26 15:55:24 +02:00
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/* close file descriptors unless instructed to keep them */
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if (!keep_open) {
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close_file_descriptors();
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}
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2004-11-23 10:50:16 +01:00
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return 0;
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}
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int test(char *URL)
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{
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CURLcode res;
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CURL *curl;
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if(!strcmp(URL, "check")) {
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/* used by the test script to ask if we can run this test or not */
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2006-10-26 15:55:24 +02:00
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if(rlimit(FALSE)) {
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2004-11-23 10:50:16 +01:00
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printf("rlimit problems\n");
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return 1;
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2004-11-22 23:26:46 +01:00
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}
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2004-11-23 10:50:16 +01:00
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return 0; /* sure, run this! */
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2004-11-22 23:26:46 +01:00
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}
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2006-10-26 15:55:24 +02:00
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if(rlimit(TRUE))
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2004-11-23 10:50:16 +01:00
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/* failure */
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return 100;
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2006-10-26 15:55:24 +02:00
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/* now run the test with NUM_OPEN open file descriptors
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and close them all once this test is over */
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2006-10-25 07:59:46 +02:00
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if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
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fprintf(stderr, "curl_global_init() failed\n");
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2006-10-26 15:55:24 +02:00
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close_file_descriptors();
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2006-10-25 07:59:46 +02:00
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return TEST_ERR_MAJOR_BAD;
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}
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if ((curl = curl_easy_init()) == NULL) {
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fprintf(stderr, "curl_easy_init() failed\n");
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2006-10-26 15:55:24 +02:00
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close_file_descriptors();
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2006-10-25 07:59:46 +02:00
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curl_global_cleanup();
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return TEST_ERR_MAJOR_BAD;
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}
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2004-11-19 09:52:33 +01:00
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curl_easy_setopt(curl, CURLOPT_URL, URL);
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curl_easy_setopt(curl, CURLOPT_HEADER, TRUE);
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2006-10-26 15:55:24 +02:00
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2004-11-19 09:52:33 +01:00
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res = curl_easy_perform(curl);
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2006-10-26 15:55:24 +02:00
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close_file_descriptors();
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2004-11-19 09:52:33 +01:00
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curl_easy_cleanup(curl);
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2006-10-25 07:59:46 +02:00
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curl_global_cleanup();
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2004-11-19 09:52:33 +01:00
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return (int)res;
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}
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2004-11-22 23:26:46 +01:00
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#else
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/* system lacks getrlimit() and/or setrlimit() */
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int test(char *URL)
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{
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(void)URL;
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2004-11-23 10:50:16 +01:00
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printf("system lacks necessary system function(s)");
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2004-11-22 23:26:46 +01:00
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return 1;
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}
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#endif
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