660 lines
12 KiB
C
660 lines
12 KiB
C
/* $NetBSD: eventtest.c,v 1.4 2005/04/17 07:20:00 provos Exp $ */
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/*
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* Copyright (c) 2003, 2004 Niels Provos <provos@citi.umich.edu>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Niels Provos.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <sys/signal.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <event.h>
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static int pair[2];
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static int test_ok;
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static int called;
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static char wbuf[4096];
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static char rbuf[4096];
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static int woff;
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static int roff;
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static int usepersist;
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static struct timeval tset;
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static struct timeval tcalled;
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static struct event_base *event_base;
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#define TEST1 "this is a test"
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#define SECONDS 1
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void
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simple_read_cb(int fd, short event, void *arg)
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{
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char buf[256];
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int len;
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len = read(fd, buf, sizeof(buf));
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if (len) {
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if (!called) {
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if (event_add(arg, NULL) == -1)
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exit(1);
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}
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} else if (called == 1)
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test_ok = 1;
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called++;
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}
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void
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simple_write_cb(int fd, short event, void *arg)
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{
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int len;
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len = write(fd, TEST1, strlen(TEST1) + 1);
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if (len == -1)
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test_ok = 0;
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else
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test_ok = 1;
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}
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void
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multiple_write_cb(int fd, short event, void *arg)
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{
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struct event *ev = arg;
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int len;
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len = 128;
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if (woff + len >= sizeof(wbuf))
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len = sizeof(wbuf) - woff;
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len = write(fd, wbuf + woff, len);
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if (len == -1) {
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fprintf(stderr, "%s: write\n", __func__);
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if (usepersist)
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event_del(ev);
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return;
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}
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woff += len;
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if (woff >= sizeof(wbuf)) {
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shutdown(fd, SHUT_WR);
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if (usepersist)
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event_del(ev);
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return;
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}
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if (!usepersist) {
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if (event_add(ev, NULL) == -1)
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exit(1);
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}
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}
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void
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multiple_read_cb(int fd, short event, void *arg)
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{
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struct event *ev = arg;
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int len;
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len = read(fd, rbuf + roff, sizeof(rbuf) - roff);
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if (len == -1)
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fprintf(stderr, "%s: read\n", __func__);
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if (len <= 0) {
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if (usepersist)
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event_del(ev);
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return;
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}
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roff += len;
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if (!usepersist) {
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if (event_add(ev, NULL) == -1)
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exit(1);
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}
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}
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void
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timeout_cb(int fd, short event, void *arg)
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{
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struct timeval tv;
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int diff;
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gettimeofday(&tcalled, NULL);
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if (timercmp(&tcalled, &tset, >))
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timersub(&tcalled, &tset, &tv);
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else
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timersub(&tset, &tcalled, &tv);
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diff = tv.tv_sec*1000 + tv.tv_usec/1000 - SECONDS * 1000;
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if (diff < 0)
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diff = -diff;
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if (diff < 100)
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test_ok = 1;
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}
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void
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signal_cb(int fd, short event, void *arg)
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{
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struct event *ev = arg;
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signal_del(ev);
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test_ok = 1;
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}
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struct both {
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struct event ev;
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int nread;
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};
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void
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combined_read_cb(int fd, short event, void *arg)
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{
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struct both *both = arg;
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char buf[128];
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int len;
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len = read(fd, buf, sizeof(buf));
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if (len == -1)
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fprintf(stderr, "%s: read\n", __func__);
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if (len <= 0)
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return;
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both->nread += len;
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if (event_add(&both->ev, NULL) == -1)
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exit(1);
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}
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void
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combined_write_cb(int fd, short event, void *arg)
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{
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struct both *both = arg;
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char buf[128];
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int len;
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len = sizeof(buf);
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if (len > both->nread)
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len = both->nread;
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len = write(fd, buf, len);
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if (len == -1)
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fprintf(stderr, "%s: write\n", __func__);
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if (len <= 0) {
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shutdown(fd, SHUT_WR);
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return;
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}
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both->nread -= len;
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if (event_add(&both->ev, NULL) == -1)
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exit(1);
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}
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/* Test infrastructure */
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int
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setup_test(char *name)
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{
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fprintf(stdout, "%s", name);
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if (socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1) {
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fprintf(stderr, "%s: socketpair\n", __func__);
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exit(1);
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}
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if (fcntl(pair[0], F_SETFL, O_NONBLOCK) == -1)
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warn("fcntl(O_NONBLOCK)");
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if (fcntl(pair[1], F_SETFL, O_NONBLOCK) == -1)
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warn("fcntl(O_NONBLOCK)");
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test_ok = 0;
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called = 0;
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return (0);
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}
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int
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cleanup_test(void)
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{
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close(pair[0]);
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close(pair[1]);
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if (test_ok)
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fprintf(stdout, "OK\n");
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else {
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fprintf(stdout, "FAILED\n");
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exit(1);
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}
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return (0);
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}
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void
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test1(void)
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{
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struct event ev;
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/* Very simple read test */
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setup_test("Simple read: ");
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write(pair[0], TEST1, strlen(TEST1)+1);
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shutdown(pair[0], SHUT_WR);
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event_set(&ev, pair[1], EV_READ, simple_read_cb, &ev);
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if (event_add(&ev, NULL) == -1)
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exit(1);
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event_dispatch();
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cleanup_test();
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}
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void
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test2(void)
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{
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struct event ev;
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/* Very simple write test */
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setup_test("Simple write: ");
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event_set(&ev, pair[0], EV_WRITE, simple_write_cb, &ev);
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if (event_add(&ev, NULL) == -1)
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exit(1);
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event_dispatch();
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cleanup_test();
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}
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void
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test3(void)
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{
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struct event ev, ev2;
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int i;
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/* Multiple read and write test */
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setup_test("Multiple read/write: ");
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memset(rbuf, 0, sizeof(rbuf));
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for (i = 0; i < sizeof(wbuf); i++)
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wbuf[i] = i;
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roff = woff = 0;
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usepersist = 0;
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event_set(&ev, pair[0], EV_WRITE, multiple_write_cb, &ev);
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if (event_add(&ev, NULL) == -1)
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exit(1);
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event_set(&ev2, pair[1], EV_READ, multiple_read_cb, &ev2);
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if (event_add(&ev2, NULL) == -1)
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exit(1);
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event_dispatch();
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if (roff == woff)
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test_ok = memcmp(rbuf, wbuf, sizeof(wbuf)) == 0;
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cleanup_test();
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}
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void
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test4(void)
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{
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struct event ev, ev2;
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int i;
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/* Multiple read and write test with persist */
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setup_test("Persist read/write: ");
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memset(rbuf, 0, sizeof(rbuf));
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for (i = 0; i < sizeof(wbuf); i++)
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wbuf[i] = i;
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roff = woff = 0;
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usepersist = 1;
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event_set(&ev, pair[0], EV_WRITE|EV_PERSIST, multiple_write_cb, &ev);
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if (event_add(&ev, NULL) == -1)
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exit(1);
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event_set(&ev2, pair[1], EV_READ|EV_PERSIST, multiple_read_cb, &ev2);
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if (event_add(&ev2, NULL) == -1)
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exit(1);
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event_dispatch();
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if (roff == woff)
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test_ok = memcmp(rbuf, wbuf, sizeof(wbuf)) == 0;
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cleanup_test();
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}
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void
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test5(void)
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{
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struct both r1, r2, w1, w2;
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setup_test("Combined read/write: ");
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memset(&r1, 0, sizeof(r1));
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memset(&r2, 0, sizeof(r2));
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memset(&w1, 0, sizeof(w1));
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memset(&w2, 0, sizeof(w2));
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w1.nread = 4096;
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w2.nread = 8192;
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event_set(&r1.ev, pair[0], EV_READ, combined_read_cb, &r1);
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event_set(&w1.ev, pair[0], EV_WRITE, combined_write_cb, &w1);
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event_set(&r2.ev, pair[1], EV_READ, combined_read_cb, &r2);
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event_set(&w2.ev, pair[1], EV_WRITE, combined_write_cb, &w2);
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if (event_add(&r1.ev, NULL) == -1)
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exit(1);
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if (event_add(&w1.ev, NULL))
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exit(1);
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if (event_add(&r2.ev, NULL))
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exit(1);
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if (event_add(&w2.ev, NULL))
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exit(1);
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event_dispatch();
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if (r1.nread == 8192 && r2.nread == 4096)
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test_ok = 1;
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cleanup_test();
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}
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void
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test6(void)
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{
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struct timeval tv;
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struct event ev;
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setup_test("Simple timeout: ");
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tv.tv_usec = 0;
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tv.tv_sec = SECONDS;
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evtimer_set(&ev, timeout_cb, NULL);
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evtimer_add(&ev, &tv);
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gettimeofday(&tset, NULL);
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event_dispatch();
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cleanup_test();
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}
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void
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test7(void)
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{
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struct event ev;
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struct itimerval itv;
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setup_test("Simple signal: ");
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signal_set(&ev, SIGALRM, signal_cb, &ev);
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signal_add(&ev, NULL);
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memset(&itv, 0, sizeof(itv));
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itv.it_value.tv_sec = 1;
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if (setitimer(ITIMER_REAL, &itv, NULL) == -1)
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goto skip_simplesignal;
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event_dispatch();
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skip_simplesignal:
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signal_del(&ev);
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cleanup_test();
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}
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void
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test8(void)
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{
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struct timeval tv, tv_start, tv_end;
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struct event ev;
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setup_test("Loop exit: ");
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tv.tv_usec = 0;
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tv.tv_sec = 60*60*24;
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evtimer_set(&ev, timeout_cb, NULL);
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evtimer_add(&ev, &tv);
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tv.tv_usec = 0;
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tv.tv_sec = 1;
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event_loopexit(&tv);
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gettimeofday(&tv_start, NULL);
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event_dispatch();
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gettimeofday(&tv_end, NULL);
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timersub(&tv_end, &tv_start, &tv_end);
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evtimer_del(&ev);
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if (tv.tv_sec < 2)
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test_ok = 1;
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cleanup_test();
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}
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void
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readcb(struct bufferevent *bev, void *arg)
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{
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if (EVBUFFER_LENGTH(bev->input) == 8333) {
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bufferevent_disable(bev, EV_READ);
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test_ok++;
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}
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}
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void
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writecb(struct bufferevent *bev, void *arg)
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{
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if (EVBUFFER_LENGTH(bev->output) == 0)
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test_ok++;
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}
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void
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errorcb(struct bufferevent *bev, short what, void *arg)
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{
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test_ok = -2;
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}
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void
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test9(void)
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{
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struct bufferevent *bev1, *bev2;
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char buffer[8333];
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int i;
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setup_test("Bufferevent: ");
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bev1 = bufferevent_new(pair[0], readcb, writecb, errorcb, NULL);
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bev2 = bufferevent_new(pair[1], readcb, writecb, errorcb, NULL);
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bufferevent_disable(bev1, EV_READ);
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bufferevent_enable(bev2, EV_READ);
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for (i = 0; i < sizeof(buffer); i++)
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buffer[0] = i;
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bufferevent_write(bev1, buffer, sizeof(buffer));
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event_dispatch();
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bufferevent_free(bev1);
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bufferevent_free(bev2);
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if (test_ok != 2)
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test_ok = 0;
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cleanup_test();
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}
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struct test_pri_event {
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struct event ev;
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int count;
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};
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void
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test_priorities_cb(int fd, short what, void *arg)
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{
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struct test_pri_event *pri = arg;
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struct timeval tv;
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if (pri->count == 3) {
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event_loopexit(NULL);
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return;
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}
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pri->count++;
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timerclear(&tv);
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event_add(&pri->ev, &tv);
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}
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void
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test_priorities(int npriorities)
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{
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char buf[32];
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struct test_pri_event one, two;
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struct timeval tv;
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snprintf(buf, sizeof(buf), "Priorities %d: ", npriorities);
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setup_test(buf);
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event_base_priority_init(event_base, npriorities);
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memset(&one, 0, sizeof(one));
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memset(&two, 0, sizeof(two));
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timeout_set(&one.ev, test_priorities_cb, &one);
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if (event_priority_set(&one.ev, 0) == -1) {
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fprintf(stderr, "%s: failed to set priority", __func__);
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exit(1);
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}
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timeout_set(&two.ev, test_priorities_cb, &two);
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if (event_priority_set(&two.ev, npriorities - 1) == -1) {
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fprintf(stderr, "%s: failed to set priority", __func__);
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exit(1);
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}
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timerclear(&tv);
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if (event_add(&one.ev, &tv) == -1)
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exit(1);
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if (event_add(&two.ev, &tv) == -1)
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exit(1);
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event_dispatch();
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event_del(&one.ev);
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event_del(&two.ev);
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if (npriorities == 1) {
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if (one.count == 3 && two.count == 3)
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test_ok = 1;
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} else if (npriorities == 2) {
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/* Two is called once because event_loopexit is priority 1 */
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if (one.count == 3 && two.count == 1)
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test_ok = 1;
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} else {
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if (one.count == 3 && two.count == 0)
|
|
test_ok = 1;
|
|
}
|
|
|
|
cleanup_test();
|
|
}
|
|
|
|
static void
|
|
test_multiple_cb(int fd, short event, void *arg)
|
|
{
|
|
if (event & EV_READ)
|
|
test_ok |= 1;
|
|
else if (event & EV_WRITE)
|
|
test_ok |= 2;
|
|
}
|
|
|
|
void
|
|
test_multiple_events_for_same_fd(void)
|
|
{
|
|
struct event e1, e2;
|
|
|
|
setup_test("Multiple events for same fd: ");
|
|
|
|
event_set(&e1, pair[0], EV_READ, test_multiple_cb, NULL);
|
|
event_add(&e1, NULL);
|
|
event_set(&e2, pair[0], EV_WRITE, test_multiple_cb, NULL);
|
|
event_add(&e2, NULL);
|
|
event_loop(EVLOOP_ONCE);
|
|
event_del(&e2);
|
|
write(pair[1], TEST1, strlen(TEST1)+1);
|
|
event_loop(EVLOOP_ONCE);
|
|
event_del(&e1);
|
|
|
|
if (test_ok != 3)
|
|
test_ok = 0;
|
|
|
|
cleanup_test();
|
|
}
|
|
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
setvbuf(stdout, NULL, _IONBF, 0);
|
|
|
|
/* Initalize the event library */
|
|
event_base = event_init();
|
|
|
|
test1();
|
|
|
|
test2();
|
|
|
|
test3();
|
|
|
|
test4();
|
|
|
|
test5();
|
|
|
|
test6();
|
|
|
|
test7();
|
|
|
|
test8();
|
|
|
|
test9();
|
|
|
|
test_priorities(1);
|
|
test_priorities(2);
|
|
test_priorities(3);
|
|
|
|
test_multiple_events_for_same_fd();
|
|
|
|
return (0);
|
|
}
|
|
|