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/*-
 *   BSD LICENSE
 * 
 *   Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
 *   All rights reserved.
 * 
 *   Redistribution and use in source and binary forms, with or without 
 *   modification, are permitted provided that the following conditions 
 *   are met:
 * 
 *     * Redistributions of source code must retain the above copyright 
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright 
 *       notice, this list of conditions and the following disclaimer in 
 *       the documentation and/or other materials provided with the 
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its 
 *       contributors may be used to endorse or promote products derived 
 *       from this software without specific prior written permission.
 * 
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 *  version: DPDK.L.1.2.3-3
 */

#include <stdio.h>

#include <cmdline_parse.h>

#include "test.h"

#ifndef RTE_EXEC_ENV_BAREMETAL
#include <stdint.h>
#include <stdlib.h>
#include <stdarg.h>
#include <inttypes.h>
#include <sys/queue.h>
#include <errno.h>
#include <stdarg.h>
#include <inttypes.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <sys/wait.h>

#include <rte_common.h>
#include <rte_memory.h>
#include <rte_memzone.h>
#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_launch.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
#include <rte_errno.h>
#include <rte_branch_prediction.h>
#include <rte_atomic.h>
#include <rte_ring.h>
#include <rte_debug.h>
#include <stdarg.h>
#include <rte_log.h>
#include <rte_mempool.h>
#include <rte_hash.h>
#include <rte_fbk_hash.h>
#include <rte_lpm.h>
#include <rte_string_fns.h>

#include "process.h"

#define launch_proc(ARGV) process_dup(ARGV, \
		sizeof(ARGV)/(sizeof(ARGV[0])), __func__)

/*
 * This function is called in the primary i.e. main test, to spawn off secondary
 * processes to run actual mp tests. Uses fork() and exec pair
 */
static int
run_secondary_instances(void)
{
	int ret = 0;
	char coremask[10];

	/* good case, using secondary */
	const char *argv1[] = {
			prgname, "-c", coremask, "--proc-type=secondary"
	};
	/* good case, using auto */
	const char *argv2[] = {
			prgname, "-c", coremask, "--proc-type=auto"
	};
	/* bad case, using invalid type */
	const char *argv3[] = {
			prgname, "-c", coremask, "--proc-type=ERROR"
	};
	/* bad case, using invalid file prefix */
	const char *argv4[]  = {
			prgname, "-c", coremask, "--proc-type=secondary",
					"--file-prefix=ERROR"
	};

	rte_snprintf(coremask, sizeof(coremask), "%x", \
			(1 << rte_get_master_lcore()));

	ret |= launch_proc(argv1);
	ret |= launch_proc(argv2);

	ret |= !(launch_proc(argv3));
	ret |= !(launch_proc(argv4));

	return ret;
}

/*
 * This function is run in the secondary instance to test that creation of
 * objects fails in a secondary
 */
static int
run_object_creation_tests(void)
{
	const unsigned flags = 0;
	const unsigned size = 1024;
	const unsigned elt_size = 64;
	const unsigned cache_size = 64;
	const unsigned priv_data_size = 32;

	printf("### Testing object creation - expect lots of mz reserve errors!\n");

	rte_errno = 0;
	if (rte_memzone_reserve("test_mz", size, rte_socket_id(), flags) != NULL
			|| rte_errno != E_RTE_SECONDARY){
		printf("Error: unexpected return value from rte_memzone_reserve\n");
		return -1;
	}
	printf("# Checked rte_memzone_reserve() OK\n");

	rte_errno = 0;
	if (rte_ring_create("test_rng", size, rte_socket_id(), flags) != NULL
			|| rte_errno != E_RTE_SECONDARY){
		printf("Error: unexpected return value from rte_ring_create()\n");
		return -1;
	}
	printf("# Checked rte_ring_create() OK\n");


	rte_errno = 0;
	if (rte_mempool_create("test_mp", size, elt_size, cache_size,
			priv_data_size, NULL, NULL, NULL, NULL,
			rte_socket_id(), flags) != NULL
			|| rte_errno != E_RTE_SECONDARY){
		printf("Error: unexpected return value from rte_ring_create()\n");
		return -1;
	}
	printf("# Checked rte_mempool_create() OK\n");

	const struct rte_hash_parameters hash_params = { .name = "test_mp_hash" };
	rte_errno=0;
	if (rte_hash_create(&hash_params) != NULL
			|| rte_errno != E_RTE_SECONDARY){
		printf("Error: unexpected return value from rte_ring_create()\n");
		return -1;
	}
	printf("# Checked rte_hash_create() OK\n");

	const struct rte_fbk_hash_params fbk_params = { .name = "test_mp_hash" };
	rte_errno=0;
	if (rte_fbk_hash_create(&fbk_params) != NULL
			|| rte_errno != E_RTE_SECONDARY){
		printf("Error: unexpected return value from rte_ring_create()\n");
		return -1;
	}
	printf("# Checked rte_fbk_hash_create() OK\n");

	rte_errno=0;
	if (rte_lpm_create("test_lpm", size, rte_socket_id(), RTE_LPM_HEAP) != NULL
			|| rte_errno != E_RTE_SECONDARY){
		printf("Error: unexpected return value from rte_ring_create()\n");
		return -1;
	}
	printf("# Checked rte_lpm_create() OK\n");

	/* Run a test_pci call */
	if (test_pci() != 0) {
		printf("PCI scan failed in secondary\n");
		if (getuid() == 0) /* pci scans can fail as non-root */
			return -1;
	} else
		printf("PCI scan succeeded in secondary\n");

	return 0;
}

/* if called in a primary process, just spawns off a secondary process to
 * run validation tests - which brings us right back here again...
 * if called in a secondary process, this runs a series of API tests to check
 * how things run in a secondary instance.
 */
int
test_mp_secondary(void)
{
	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
		if (!test_pci_run) {
			printf("=== Running pre-requisite test of test_pci\n");
			test_pci();
			printf("=== Requisite test done\n");
		}
		return run_secondary_instances();
	}

	printf("IN SECONDARY PROCESS\n");

	return run_object_creation_tests();
}

#else

/* Baremetal version
 * Multiprocess not applicable, so just return 0 always
 */
int
test_mp_secondary(void)
{
	printf("Multi-process not applicable for baremetal\n");
	return 0;
}

#endif