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/*
 * Copyright © 2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <stdlib.h>
#include <assert.h>
#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <sys/un.h>
#include <unistd.h>

#include "wayland-client.h"
#include "wayland-server.h"
#include "test-runner.h"

/* Ensure the connection doesn't fail due to lack of XDG_RUNTIME_DIR. */
static const char *
require_xdg_runtime_dir(void)
{
	char *val = getenv("XDG_RUNTIME_DIR");
	assert(val && "set $XDG_RUNTIME_DIR to run this test");

	return val;
}

struct compositor {
	struct wl_display *display;
	struct wl_event_loop *loop;
	int message;
	struct wl_client *client;
};

struct message {
	enum wl_protocol_logger_type type;
	const char *class;
	int opcode;
	const char *message_name;
	int args_count;
} messages[] = {
	{
		.type = WL_PROTOCOL_LOGGER_REQUEST,
		.class = "wl_display",
		.opcode = 0,
		.message_name = "sync",
		.args_count = 1,
	},
	{
		.type = WL_PROTOCOL_LOGGER_EVENT,
		.class = "wl_callback",
		.opcode = 0,
		.message_name = "done",
		.args_count = 1,
	},
	{
		.type = WL_PROTOCOL_LOGGER_EVENT,
		.class = "wl_display",
		.opcode = 1,
		.message_name = "delete_id",
		.args_count = 1,
	},
};

static void
logger_func(void *user_data, enum wl_protocol_logger_type type,
	    const struct wl_protocol_logger_message *message)
{
	struct compositor *c = user_data;
	struct message *msg = &messages[c->message++];

	assert(msg->type == type);
	assert(strcmp(msg->class, wl_resource_get_class(message->resource)) == 0);
	assert(msg->opcode == message->message_opcode);
	assert(strcmp(msg->message_name, message->message->name) == 0);
	assert(msg->args_count == message->arguments_count);

	c->client = wl_resource_get_client(message->resource);
}

static void
callback_done(void *data, struct wl_callback *cb, uint32_t time)
{
	wl_callback_destroy(cb);
}

static const struct wl_callback_listener callback_listener = {
	callback_done,
};

TEST(logger)
{
	test_set_timeout(1);

	const char *socket;
	struct compositor compositor = { 0 };
	struct {
		struct wl_display *display;
		struct wl_callback *cb;
	} client;
	struct wl_protocol_logger *logger;

	require_xdg_runtime_dir();

	compositor.display = wl_display_create();
	compositor.loop = wl_display_get_event_loop(compositor.display);
	socket = wl_display_add_socket_auto(compositor.display);

	logger = wl_display_add_protocol_logger(compositor.display,
						logger_func, &compositor);

	client.display = wl_display_connect(socket);
	client.cb = wl_display_sync(client.display);
	wl_callback_add_listener(client.cb, &callback_listener, NULL);
	wl_display_flush(client.display);

	while (compositor.message < 3) {
		wl_event_loop_dispatch(compositor.loop, -1);
		wl_display_flush_clients(compositor.display);
	}

	wl_display_dispatch(client.display);
	wl_display_disconnect(client.display);

	wl_client_destroy(compositor.client);
	wl_protocol_logger_destroy(logger);
	wl_display_destroy(compositor.display);
}