/***************************************************************************/
/* Copyright (c) 2024 Microsoft Corporation                                */
/* Copyright (c) 2026 Eclipse ThreadX contributors                         */
/*                                                                         */
/* This program and the accompanying materials are made available under    */
/* the terms of the MIT License which is available at                      */
/* https://opensource.org/licenses/MIT.                                    */
/*                                                                         */
/* SPDX-License-Identifier: MIT                                            */
/***************************************************************************/

/* This NetX test concentrates on TCP data packets.  */

#include   "tx_api.h"
#include   "nx_api.h"

extern void    test_control_return(UINT status);

#ifndef NX_DISABLE_IPV4

#define     DEMO_STACK_SIZE         2048


/* Define the ThreadX and NetX object control blocks...  */

static TX_THREAD               thread_0;

static NX_PACKET_POOL          pool_0;
static NX_IP                   ip_0;
static NX_TCP_SOCKET           client_socket;


/* Define the counters used in the demo application...  */

static ULONG                   error_counter;
static ULONG                   syn_packet_counter;


/* Define thread prototypes.  */

static void    thread_0_entry(ULONG thread_input);
extern void    test_control_return(UINT status);
extern void    _nx_ram_network_driver_256(struct NX_IP_DRIVER_STRUCT *driver_req);
extern UINT    (*advanced_packet_process_callback)(NX_IP *ip_ptr, NX_PACKET *packet_ptr, UINT *operation_ptr, UINT *delay_ptr);
static UINT    my_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr, UINT *operation_ptr, UINT *delay_ptr);


/* Define what the initial system looks like.  */

#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void    netx_tcp_small_packet_test_application_define(void *first_unused_memory)
#endif
{

    CHAR    *pointer;
    UINT    status;


    /* Setup the working pointer.  */
    pointer =  (CHAR *) first_unused_memory;

    error_counter =  0;

    /* Create the main thread.  */
    tx_thread_create(&thread_0, "thread 0", thread_0_entry, 0,  
                     pointer, DEMO_STACK_SIZE, 
                     4, 4, TX_NO_TIME_SLICE, TX_AUTO_START);
    pointer =  pointer + DEMO_STACK_SIZE;

    /* Initialize the NetX system.  */
    nx_system_initialize();

    /* Create a packet pool.  */
    status =  nx_packet_pool_create(&pool_0, "NetX Main Packet Pool", NX_IP_PACKET, pointer, 8192);
    pointer = pointer + 8192;

    if (status)
        error_counter++;

    /* Create an IP instance.  */
    status = nx_ip_create(&ip_0, "NetX IP Instance 0", IP_ADDRESS(1, 2, 3, 4), 0xFFFFFF00UL, &pool_0, _nx_ram_network_driver_256,
                          pointer, 2048, 1);
    pointer =  pointer + 2048;

    /* Enable ARP and supply ARP cache memory for IP Instance 0.  */
    status =  nx_arp_enable(&ip_0, (void *) pointer, 1024);
    pointer = pointer + 1024;

    /* Check ARP enable status.  */
    if (status)
        error_counter++;

    /* Enable TCP processing for both IP instances.  */
    status =  nx_tcp_enable(&ip_0);

    /* Check TCP enable status.  */
    if (status)
        error_counter++;
}



/* Define the test threads.  */

static void    thread_0_entry(ULONG thread_input)
{

UINT        status;

    /* Print out test information banner.  */
    printf("NetX Test:   TCP Small Packet Test.....................................");

    /* Check for earlier error.  */
    if (error_counter)
    {

        printf("ERROR!\n");
        test_control_return(1);
    }

    advanced_packet_process_callback = my_packet_process;

    /* Create a socket.  */
    status =  nx_tcp_socket_create(&ip_0, &client_socket, "Client Socket", 
                                   NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE, 300,
                                   NX_NULL, NX_NULL);
    
    /* Check for error.  */
    if (status)
        error_counter++;

    /* Bind the socket.  */
    status =  nx_tcp_client_socket_bind(&client_socket, 12, NX_WAIT_FOREVER);

    /* Check for error.  */
    if (status)
        error_counter++;

    status =  nx_tcp_client_socket_connect(&client_socket, IP_ADDRESS(1, 2, 3, 5), 12, 5 * NX_IP_PERIODIC_RATE);

    /* Check for error.  */
    if ((status == NX_SUCCESS) || (syn_packet_counter != 0))
    {
        printf("ERROR!\n");
        test_control_return(1);
    }

    printf("SUCCESS!\n");
    test_control_return(0);
}
static UINT    my_packet_process(NX_IP *ip_ptr, NX_PACKET *packet_ptr, UINT *operation_ptr, UINT *delay_ptr)
{

    syn_packet_counter++;

    return NX_TRUE;
}
#else
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void          netx_tcp_small_packet_test_application_define(void *first_unused_memory)
#endif
{
    printf("NetX Test:   TCP Small Packet Test.....................................N/A\n");
    test_control_return(3);
}
#endif