/***************************************************************************/
/* 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                                            */
/***************************************************************************/

/* 5.18 If a SEND call arrives on CLOSED state, and user has got proper access to such conn, TCP MUST return "error: connection does not exist".  */

/* Procedure
   1. Client bind.
   2. Client allocates a packet and sends the packet.
   3. TCP return "NX_NOT CONNECTED".  */

#include   "tx_api.h"
#include   "nx_api.h"
#include   "nx_tcp.h"
extern void    test_control_return(UINT status);

#if !defined(NX_DISABLE_IPV4)

#define     DEMO_STACK_SIZE    2048

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

static TX_THREAD               ntest_0;
static NX_PACKET_POOL          pool_0;
static NX_IP                   ip_0;
static NX_TCP_SOCKET           client_socket;

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

static ULONG                   error_counter;

/* Define thread prototypes.  */

static void    ntest_0_entry(ULONG thread_input);
extern void    _nx_ram_network_driver(struct NX_IP_DRIVER_STRUCT *driver_req);

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

#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void           netx_5_18_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(&ntest_0, "thread 0", ntest_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", 256, 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,
                          pointer, 2048, 1);
    pointer = pointer + 2048;

    if(status)
        error_counter++;

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

    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    ntest_0_entry(ULONG thread_input)
{
UINT        status;
NX_PACKET   *my_packet;

    printf("NetX Test:   TCP Spec 5.18 Test........................................");

    /* Check for earlier error.  */
    if(error_counter)
    {
        printf("ERROR!\n");
        test_control_return(1);
    }

    /* 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, 200,
                                  NX_NULL, NX_NULL);

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

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

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

    /* Allocate a packet.  */
    status = nx_packet_allocate(&pool_0, &my_packet, NX_TCP_PACKET, NX_IP_PERIODIC_RATE);

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

    /* Write ABCs into the packet payload!  */
    status = nx_packet_data_append(my_packet, "ABCDEFGHIJKLMNOPQRSTUVWXYZ  ", 28, &pool_0, NX_IP_PERIODIC_RATE);

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

#if defined(__PRODUCT_NETXDUO__)
    client_socket.nx_tcp_socket_connect_ip.nxd_ip_version = NX_IP_VERSION_V4;
#endif

    /*An SEND call arrives when thc client socket is in NX_TCP_CLOSED state. */
    if(client_socket.nx_tcp_socket_state == NX_TCP_CLOSED)
    {
        /* Send the packet out!  */
        status = nx_tcp_socket_send(&client_socket, my_packet, NX_IP_PERIODIC_RATE);

        /* Determine if the status is valid.  */
        if(status != NX_NOT_CONNECTED)
            error_counter++;

        /* Release the packet.  */
        nx_packet_release(my_packet);
    }
    else
        error_counter++;
    
    /* Unbind the socket.  */
    status = nx_tcp_client_socket_unbind(&client_socket);

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

    /* Delete the socket.  */
    status = nx_tcp_socket_delete(&client_socket);

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

    /* Determine if the test was successful.  */
    if(error_counter)
    {
        printf("ERROR!\n");
        test_control_return(1);
    }
    else
    {
        printf("SUCCESS!\n");
        test_control_return(0);
    }
}
#else

#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void    netx_5_18_application_define(void *first_unused_memory)
#endif
{

    /* Print out test information banner.  */
    printf("NetX Test:   TCP Spec 5.18 Test........................................N/A\n"); 

    test_control_return(3);  
}      
#endif