michael@0: /*
michael@0:  * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson
michael@0:  *
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions
michael@0:  * are met:
michael@0:  * 1. Redistributions of source code must retain the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer.
michael@0:  * 2. Redistributions in binary form must reproduce the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer in the
michael@0:  *    documentation and/or other materials provided with the distribution.
michael@0:  * 3. The name of the author may not be used to endorse or promote products
michael@0:  *    derived from this software without specific prior written permission.
michael@0:  *
michael@0:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
michael@0:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
michael@0:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
michael@0:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
michael@0:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
michael@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
michael@0:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0:  */
michael@0: 
michael@0: #include <stdlib.h>
michael@0: #include <string.h>
michael@0: #include "event2/event.h"
michael@0: #include "event2/thread.h"
michael@0: #include "event2/buffer.h"
michael@0: #include "event2/buffer_compat.h"
michael@0: #include "event2/bufferevent.h"
michael@0: 
michael@0: #include <winsock2.h>
michael@0: #include <ws2tcpip.h>
michael@0: 
michael@0: #include "regress.h"
michael@0: #include "tinytest.h"
michael@0: #include "tinytest_macros.h"
michael@0: 
michael@0: #define WIN32_LEAN_AND_MEAN
michael@0: #include <windows.h>
michael@0: #include <winsock2.h>
michael@0: #undef WIN32_LEAN_AND_MEAN
michael@0: 
michael@0: #include "iocp-internal.h"
michael@0: #include "evbuffer-internal.h"
michael@0: #include "evthread-internal.h"
michael@0: 
michael@0: /* FIXME remove these ones */
michael@0: #include <sys/queue.h>
michael@0: #include "event2/event_struct.h"
michael@0: #include "event-internal.h"
michael@0: 
michael@0: #define MAX_CALLS 16
michael@0: 
michael@0: static void *count_lock = NULL, *count_cond = NULL;
michael@0: static int count = 0;
michael@0: 
michael@0: static void
michael@0: count_init(void)
michael@0: {
michael@0: 	EVTHREAD_ALLOC_LOCK(count_lock, 0);
michael@0: 	EVTHREAD_ALLOC_COND(count_cond);
michael@0: 
michael@0: 	tt_assert(count_lock);
michael@0: 	tt_assert(count_cond);
michael@0: 
michael@0: end:
michael@0: 	;
michael@0: }
michael@0: 
michael@0: static void
michael@0: count_free(void)
michael@0: {
michael@0: 	EVTHREAD_FREE_LOCK(count_lock, 0);
michael@0: 	EVTHREAD_FREE_COND(count_cond);
michael@0: }
michael@0: 
michael@0: static void
michael@0: count_incr(void)
michael@0: {
michael@0: 	EVLOCK_LOCK(count_lock, 0);
michael@0: 	count++;
michael@0: 	EVTHREAD_COND_BROADCAST(count_cond);
michael@0: 	EVLOCK_UNLOCK(count_lock, 0);
michael@0: }
michael@0: 
michael@0: static int
michael@0: count_wait_for(int i, int ms)
michael@0: {
michael@0: 	struct timeval tv;
michael@0: 	DWORD elapsed;
michael@0: 	int rv = -1;
michael@0: 
michael@0: 	EVLOCK_LOCK(count_lock, 0);
michael@0: 	while (ms > 0 && count != i) {
michael@0: 		tv.tv_sec = 0;
michael@0: 		tv.tv_usec = ms * 1000;
michael@0: 		elapsed = GetTickCount();
michael@0: 		EVTHREAD_COND_WAIT_TIMED(count_cond, count_lock, &tv);
michael@0: 		elapsed = GetTickCount() - elapsed;
michael@0: 		ms -= elapsed;
michael@0: 	}
michael@0: 	if (count == i)
michael@0: 		rv = 0;
michael@0: 	EVLOCK_UNLOCK(count_lock, 0);
michael@0: 
michael@0: 	return rv;
michael@0: }
michael@0: 
michael@0: struct dummy_overlapped {
michael@0: 	struct event_overlapped eo;
michael@0: 	void *lock;
michael@0: 	int call_count;
michael@0: 	uintptr_t keys[MAX_CALLS];
michael@0: 	ev_ssize_t sizes[MAX_CALLS];
michael@0: };
michael@0: 
michael@0: static void
michael@0: dummy_cb(struct event_overlapped *o, uintptr_t key, ev_ssize_t n, int ok)
michael@0: {
michael@0: 	struct dummy_overlapped *d_o =
michael@0: 	    EVUTIL_UPCAST(o, struct dummy_overlapped, eo);
michael@0: 
michael@0: 	EVLOCK_LOCK(d_o->lock, 0);
michael@0: 	if (d_o->call_count < MAX_CALLS) {
michael@0: 		d_o->keys[d_o->call_count] = key;
michael@0: 		d_o->sizes[d_o->call_count] = n;
michael@0: 	}
michael@0: 	d_o->call_count++;
michael@0: 	EVLOCK_UNLOCK(d_o->lock, 0);
michael@0: 
michael@0: 	count_incr();
michael@0: }
michael@0: 
michael@0: static int
michael@0: pair_is_in(struct dummy_overlapped *o, uintptr_t key, ev_ssize_t n)
michael@0: {
michael@0: 	int i;
michael@0: 	int result = 0;
michael@0: 	EVLOCK_LOCK(o->lock, 0);
michael@0: 	for (i=0; i < o->call_count; ++i) {
michael@0: 		if (o->keys[i] == key && o->sizes[i] == n) {
michael@0: 			result = 1;
michael@0: 			break;
michael@0: 		}
michael@0: 	}
michael@0: 	EVLOCK_UNLOCK(o->lock, 0);
michael@0: 	return result;
michael@0: }
michael@0: 
michael@0: static void
michael@0: test_iocp_port(void *ptr)
michael@0: {
michael@0: 	struct event_iocp_port *port = NULL;
michael@0: 	struct dummy_overlapped o1, o2;
michael@0: 
michael@0: 	memset(&o1, 0, sizeof(o1));
michael@0: 	memset(&o2, 0, sizeof(o2));
michael@0: 
michael@0: 	count_init();
michael@0: 	EVTHREAD_ALLOC_LOCK(o1.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
michael@0: 	EVTHREAD_ALLOC_LOCK(o2.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
michael@0: 
michael@0: 	tt_assert(o1.lock);
michael@0: 	tt_assert(o2.lock);
michael@0: 
michael@0: 	event_overlapped_init(&o1.eo, dummy_cb);
michael@0: 	event_overlapped_init(&o2.eo, dummy_cb);
michael@0: 
michael@0: 	port = event_iocp_port_launch(0);
michael@0: 	tt_assert(port);
michael@0: 
michael@0: 	tt_assert(!event_iocp_activate_overlapped(port, &o1.eo, 10, 100));
michael@0: 	tt_assert(!event_iocp_activate_overlapped(port, &o2.eo, 20, 200));
michael@0: 
michael@0: 	tt_assert(!event_iocp_activate_overlapped(port, &o1.eo, 11, 101));
michael@0: 	tt_assert(!event_iocp_activate_overlapped(port, &o2.eo, 21, 201));
michael@0: 
michael@0: 	tt_assert(!event_iocp_activate_overlapped(port, &o1.eo, 12, 102));
michael@0: 	tt_assert(!event_iocp_activate_overlapped(port, &o2.eo, 22, 202));
michael@0: 
michael@0: 	tt_assert(!event_iocp_activate_overlapped(port, &o1.eo, 13, 103));
michael@0: 	tt_assert(!event_iocp_activate_overlapped(port, &o2.eo, 23, 203));
michael@0: 
michael@0: 	tt_int_op(count_wait_for(8, 2000), ==, 0);
michael@0: 
michael@0: 	tt_want(!event_iocp_shutdown(port, 2000));
michael@0: 
michael@0: 	tt_int_op(o1.call_count, ==, 4);
michael@0: 	tt_int_op(o2.call_count, ==, 4);
michael@0: 
michael@0: 	tt_want(pair_is_in(&o1, 10, 100));
michael@0: 	tt_want(pair_is_in(&o1, 11, 101));
michael@0: 	tt_want(pair_is_in(&o1, 12, 102));
michael@0: 	tt_want(pair_is_in(&o1, 13, 103));
michael@0: 
michael@0: 	tt_want(pair_is_in(&o2, 20, 200));
michael@0: 	tt_want(pair_is_in(&o2, 21, 201));
michael@0: 	tt_want(pair_is_in(&o2, 22, 202));
michael@0: 	tt_want(pair_is_in(&o2, 23, 203));
michael@0: 
michael@0: end:
michael@0: 	EVTHREAD_FREE_LOCK(o1.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
michael@0: 	EVTHREAD_FREE_LOCK(o2.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
michael@0: 	count_free();
michael@0: }
michael@0: 
michael@0: static struct evbuffer *rbuf = NULL, *wbuf = NULL;
michael@0: 
michael@0: static void
michael@0: read_complete(struct event_overlapped *eo, uintptr_t key,
michael@0:     ev_ssize_t nbytes, int ok)
michael@0: {
michael@0: 	tt_assert(ok);
michael@0: 	evbuffer_commit_read(rbuf, nbytes);
michael@0: 	count_incr();
michael@0: end:
michael@0: 	;
michael@0: }
michael@0: 
michael@0: static void
michael@0: write_complete(struct event_overlapped *eo, uintptr_t key,
michael@0:     ev_ssize_t nbytes, int ok)
michael@0: {
michael@0: 	tt_assert(ok);
michael@0: 	evbuffer_commit_write(wbuf, nbytes);
michael@0: 	count_incr();
michael@0: end:
michael@0: 	;
michael@0: }
michael@0: 
michael@0: static void
michael@0: test_iocp_evbuffer(void *ptr)
michael@0: {
michael@0: 	struct event_overlapped rol, wol;
michael@0: 	struct basic_test_data *data = ptr;
michael@0: 	struct event_iocp_port *port = NULL;
michael@0: 	struct evbuffer *buf=NULL;
michael@0: 	struct evbuffer_chain *chain;
michael@0: 	char junk[1024];
michael@0: 	int i;
michael@0: 
michael@0: 	count_init();
michael@0: 	event_overlapped_init(&rol, read_complete);
michael@0: 	event_overlapped_init(&wol, write_complete);
michael@0: 
michael@0: 	for (i = 0; i < (int)sizeof(junk); ++i)
michael@0: 		junk[i] = (char)(i);
michael@0: 
michael@0: 	rbuf = evbuffer_overlapped_new(data->pair[0]);
michael@0: 	wbuf = evbuffer_overlapped_new(data->pair[1]);
michael@0: 	evbuffer_enable_locking(rbuf, NULL);
michael@0: 	evbuffer_enable_locking(wbuf, NULL);
michael@0: 
michael@0: 	port = event_iocp_port_launch(0);
michael@0: 	tt_assert(port);
michael@0: 	tt_assert(rbuf);
michael@0: 	tt_assert(wbuf);
michael@0: 
michael@0: 	tt_assert(!event_iocp_port_associate(port, data->pair[0], 100));
michael@0: 	tt_assert(!event_iocp_port_associate(port, data->pair[1], 100));
michael@0: 
michael@0: 	for (i=0;i<10;++i)
michael@0: 		evbuffer_add(wbuf, junk, sizeof(junk));
michael@0: 
michael@0: 	buf = evbuffer_new();
michael@0: 	tt_assert(buf != NULL);
michael@0: 	evbuffer_add(rbuf, junk, sizeof(junk));
michael@0: 	tt_assert(!evbuffer_launch_read(rbuf, 2048, &rol));
michael@0: 	evbuffer_add_buffer(buf, rbuf);
michael@0: 	tt_int_op(evbuffer_get_length(buf), ==, sizeof(junk));
michael@0: 	for (chain = buf->first; chain; chain = chain->next)
michael@0: 		tt_int_op(chain->flags & EVBUFFER_MEM_PINNED_ANY, ==, 0);
michael@0: 	tt_assert(!evbuffer_get_length(rbuf));
michael@0: 	tt_assert(!evbuffer_launch_write(wbuf, 512, &wol));
michael@0: 
michael@0: 	tt_int_op(count_wait_for(2, 2000), ==, 0);
michael@0: 
michael@0: 	tt_int_op(evbuffer_get_length(rbuf),==,512);
michael@0: 
michael@0: 	/* FIXME Actually test some stuff here. */
michael@0: 
michael@0: 	tt_want(!event_iocp_shutdown(port, 2000));
michael@0: end:
michael@0: 	count_free();
michael@0: 	evbuffer_free(rbuf);
michael@0: 	evbuffer_free(wbuf);
michael@0: 	if (buf) evbuffer_free(buf);
michael@0: }
michael@0: 
michael@0: static int got_readcb = 0;
michael@0: 
michael@0: static void
michael@0: async_readcb(struct bufferevent *bev, void *arg)
michael@0: {
michael@0: 	/* Disabling read should cause the loop to quit */
michael@0: 	bufferevent_disable(bev, EV_READ);
michael@0: 	got_readcb++;
michael@0: }
michael@0: 
michael@0: static void
michael@0: test_iocp_bufferevent_async(void *ptr)
michael@0: {
michael@0: 	struct basic_test_data *data = ptr;
michael@0: 	struct event_iocp_port *port = NULL;
michael@0: 	struct bufferevent *bea1=NULL, *bea2=NULL;
michael@0: 	char buf[128];
michael@0: 	size_t n;
michael@0: 
michael@0: 	event_base_start_iocp(data->base, 0);
michael@0: 	port = event_base_get_iocp(data->base);
michael@0: 	tt_assert(port);
michael@0: 
michael@0: 	bea1 = bufferevent_async_new(data->base, data->pair[0],
michael@0: 	    BEV_OPT_DEFER_CALLBACKS);
michael@0: 	bea2 = bufferevent_async_new(data->base, data->pair[1],
michael@0: 	    BEV_OPT_DEFER_CALLBACKS);
michael@0: 	tt_assert(bea1);
michael@0: 	tt_assert(bea2);
michael@0: 
michael@0: 	bufferevent_setcb(bea2, async_readcb, NULL, NULL, NULL);
michael@0: 	bufferevent_enable(bea1, EV_WRITE);
michael@0: 	bufferevent_enable(bea2, EV_READ);
michael@0: 
michael@0: 	bufferevent_write(bea1, "Hello world", strlen("Hello world")+1);
michael@0: 
michael@0: 	event_base_dispatch(data->base);
michael@0: 
michael@0: 	tt_int_op(got_readcb, ==, 1);
michael@0: 	n = bufferevent_read(bea2, buf, sizeof(buf)-1);
michael@0: 	buf[n]='\0';
michael@0: 	tt_str_op(buf, ==, "Hello world");
michael@0: 
michael@0: end:
michael@0: 	bufferevent_free(bea1);
michael@0: 	bufferevent_free(bea2);
michael@0: }
michael@0: 
michael@0: 
michael@0: struct testcase_t iocp_testcases[] = {
michael@0: 	{ "port", test_iocp_port, TT_FORK|TT_NEED_THREADS, &basic_setup, NULL },
michael@0: 	{ "evbuffer", test_iocp_evbuffer,
michael@0: 	  TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_THREADS,
michael@0: 	  &basic_setup, NULL },
michael@0: 	{ "bufferevent_async", test_iocp_bufferevent_async,
michael@0: 	  TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_THREADS|TT_NEED_BASE,
michael@0: 	  &basic_setup, NULL },
michael@0: 	END_OF_TESTCASES
michael@0: };