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/*
 * Copyright (c) 2017-2024 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

/* Attempts to run upipes in parallel.
 * Every upipe endpipe gets a thread
 * Todo: create variant that uses multiple rings per channel.
 */

#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <uuid/uuid.h>
#include <sys/select.h>
#include <poll.h>
#include <sys/event.h>
#include <darwintest.h>
#include "skywalk_test_driver.h"
#include "skywalk_test_common.h"
#include "skywalk_test_utils.h"

static int
skt_pllupipe_main(int argc, char *argv[])
{
	int error;
	uuid_t channel_uuid;
	int len = 10;

	error = uuid_parse(argv[3], channel_uuid);
	SKTC_ASSERT_ERR(!error);

	sktc_setup_channel_worker(channel_uuid, 0, CHANNEL_RING_ID_ANY,
	    NULL, 0, false, true);

	for (int i = 0; i < len; i++) {
		sleep(1);
		T_LOG("time %d of %d\n", i, len);
	}

	sktc_cleanup_channel_worker();

	return 0;
}

#define MMSLOTS 10000000

static int
skt_pllupipe_txk_main(int argc, char *argv[])
{
	int error;
	channel_t channel;
	ring_id_t ringid;
	channel_ring_t ring;
	uuid_t channel_uuid;

	error = uuid_parse(argv[3], channel_uuid);
	SKTC_ASSERT_ERR(!error);

	channel = sktu_channel_create_extended(channel_uuid, 0,
	    CHANNEL_DIR_TX_RX, CHANNEL_RING_ID_ANY, NULL,
	    -1, -1, -1, -1, -1, -1, -1, 1, -1, -1);
	assert(channel);

	ringid = os_channel_ring_id(channel, CHANNEL_FIRST_TX_RING);
	ring = os_channel_tx_ring(channel, ringid);
	assert(ring);

	sktc_pump_ring_nslots_kq(channel, ring, CHANNEL_SYNC_TX, true, MMSLOTS, true);

	return 0;
}

static int
skt_pllupipe_txs_main(int argc, char *argv[])
{
	int error;
	channel_t channel;
	ring_id_t ringid;
	channel_ring_t ring;
	uuid_t channel_uuid;

	error = uuid_parse(argv[3], channel_uuid);
	SKTC_ASSERT_ERR(!error);

	channel = sktu_channel_create_extended(channel_uuid, 0,
	    CHANNEL_DIR_TX_RX, CHANNEL_RING_ID_ANY, NULL,
	    -1, -1, -1, -1, -1, -1, -1, 1, -1, -1);
	assert(channel);

	ringid = os_channel_ring_id(channel, CHANNEL_FIRST_TX_RING);
	ring = os_channel_tx_ring(channel, ringid);
	assert(ring);

	sktc_pump_ring_nslots_select(channel, ring, CHANNEL_SYNC_TX, true, MMSLOTS, true);

	return 0;
}

static int
skt_pllupipe_txp_main(int argc, char *argv[])
{
	int error;
	channel_t channel;
	ring_id_t ringid;
	channel_ring_t ring;
	uuid_t channel_uuid;

	error = uuid_parse(argv[3], channel_uuid);
	SKTC_ASSERT_ERR(!error);

	channel = sktu_channel_create_extended(channel_uuid, 0,
	    CHANNEL_DIR_TX_RX, CHANNEL_RING_ID_ANY, NULL,
	    -1, -1, -1, -1, -1, -1, -1, 1, -1, -1);
	assert(channel);

	ringid = os_channel_ring_id(channel, CHANNEL_FIRST_TX_RING);
	ring = os_channel_tx_ring(channel, ringid);
	assert(ring);

	sktc_pump_ring_nslots_poll(channel, ring, CHANNEL_SYNC_TX, true, MMSLOTS, true);

	return 0;
}

static int
skt_pllupipe_rxk_main(int argc, char *argv[])
{
	int error;
	channel_t channel;
	ring_id_t ringid;
	channel_ring_t ring;
	uuid_t channel_uuid;

	error = uuid_parse(argv[3], channel_uuid);
	SKTC_ASSERT_ERR(!error);

	channel = sktu_channel_create_extended(channel_uuid, 0,
	    CHANNEL_DIR_TX_RX, CHANNEL_RING_ID_ANY, NULL,
	    -1, -1, -1, -1, -1, -1, -1, 1, -1, -1);
	assert(channel);

	ringid = os_channel_ring_id(channel, CHANNEL_FIRST_RX_RING);
	ring = os_channel_rx_ring(channel, ringid);
	assert(ring);

	sktc_pump_ring_nslots_kq(channel, ring, CHANNEL_SYNC_RX, true, MMSLOTS, true);

	return 0;
}

static int
skt_pllupipe_rxs_main(int argc, char *argv[])
{
	int error;
	channel_t channel;
	ring_id_t ringid;
	channel_ring_t ring;
	uuid_t channel_uuid;

	error = uuid_parse(argv[3], channel_uuid);
	SKTC_ASSERT_ERR(!error);

	channel = sktu_channel_create_extended(channel_uuid, 0,
	    CHANNEL_DIR_TX_RX, CHANNEL_RING_ID_ANY, NULL,
	    -1, -1, -1, -1, -1, -1, -1, 1, -1, -1);
	assert(channel);

	ringid = os_channel_ring_id(channel, CHANNEL_FIRST_RX_RING);
	ring = os_channel_rx_ring(channel, ringid);
	assert(ring);

	sktc_pump_ring_nslots_select(channel, ring, CHANNEL_SYNC_RX, true, MMSLOTS, true);

	return 0;
}

static int
skt_pllupipe_rxp_main(int argc, char *argv[])
{
	int error;
	channel_t channel;
	ring_id_t ringid;
	channel_ring_t ring;
	uuid_t channel_uuid;

	error = uuid_parse(argv[3], channel_uuid);
	SKTC_ASSERT_ERR(!error);

	channel = sktu_channel_create_extended(channel_uuid, 0,
	    CHANNEL_DIR_TX_RX, CHANNEL_RING_ID_ANY, NULL,
	    -1, -1, -1, -1, -1, -1, -1, 1, -1, -1);
	assert(channel);

	ringid = os_channel_ring_id(channel, CHANNEL_FIRST_RX_RING);
	ring = os_channel_rx_ring(channel, ringid);
	assert(ring);

	sktc_pump_ring_nslots_poll(channel, ring, CHANNEL_SYNC_RX, true, MMSLOTS, true);

	return 0;
}

struct skywalk_test skt_pllupipe = {
	"pllupipe", "fully parallel upipe for 10 seconds",
	SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_USER_PIPE,
	skt_pllupipe_main, SKTC_GENERIC_UPIPE_ARGV,
	sktc_generic_upipe_null_init, sktc_generic_upipe_fini,
};

struct skywalk_test skt_pllutxk = {
	"pllutxk", "send 10000000 slots to upipe sink using kqueue",
	SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_USER_PIPE,
	skt_pllupipe_txk_main, SKTC_GENERIC_UPIPE_ARGV,
	sktc_generic_upipe_null_init, sktc_generic_upipe_fini,
};

struct skywalk_test skt_pllutxs = {
	"pllutxs", "send 10000000 slots to upipe sink using select",
	SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_USER_PIPE,
	skt_pllupipe_txs_main, SKTC_GENERIC_UPIPE_ARGV,
	sktc_generic_upipe_null_init, sktc_generic_upipe_fini,
};

struct skywalk_test skt_pllutxp = {
	"pllutxp", "send 10000000 slots to upipe sink using poll",
	SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_USER_PIPE,
	skt_pllupipe_txp_main, SKTC_GENERIC_UPIPE_ARGV,
	sktc_generic_upipe_null_init, sktc_generic_upipe_fini,
};

struct skywalk_test skt_pllurxk = {
	"pllurxk", "receive 10000000 slots from upipe source using kqueue",
	SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_USER_PIPE,
	skt_pllupipe_rxk_main, SKTC_GENERIC_UPIPE_ARGV,
	sktc_generic_upipe_null_init, sktc_generic_upipe_fini,
};

struct skywalk_test skt_pllurxs = {
	"pllurxs", "receive 10000000 slots from upipe source using select",
	SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_USER_PIPE,
	skt_pllupipe_rxs_main, SKTC_GENERIC_UPIPE_ARGV,
	sktc_generic_upipe_null_init, sktc_generic_upipe_fini,
};

struct skywalk_test skt_pllurxp = {
	"pllurxp", "receive 10000000 slots to upipe source using poll",
	SK_FEATURE_SKYWALK | SK_FEATURE_NEXUS_USER_PIPE,
	skt_pllupipe_rxp_main, SKTC_GENERIC_UPIPE_ARGV,
	sktc_generic_upipe_null_init, sktc_generic_upipe_fini,
};