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

/* 5.21 If a SEND call arrives on LISTEN state, and foreign socket was not specified, TCP MUST return "error: foreign socket unspecified".  */

/* Procedure
1. Create server socket and listen.
2. Allocates a packet and sends the packet.
3. TCP return "NX_NOT_BOUND".  */

#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           server_socket;

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

static ULONG                   error_counter;

/* Define thread prototypes.  */

static void    ntest_0_entry(ULONG thread_input);
static void    ntest_0_connect_received(NX_TCP_SOCKET *server_socket, UINT port);
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_21_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, 5), 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 5.21 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, &server_socket, "Server Socket", 
                                  NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE, 200,
                                  NX_NULL, NX_NULL);

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

    /* Setup this thread to listen.  */
    status = nx_tcp_server_socket_listen(&ip_0, 12, &server_socket, 5, ntest_0_connect_received);

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

    /*An SEND call arrives when the server socket is in NX_TCP_LISTEN_STATE state. */
    if(server_socket.nx_tcp_socket_state == NX_TCP_LISTEN_STATE)
    {
        /* Create a packet.  */
        status = nx_packet_allocate(&pool_0, &my_packet, NX_TCP_PACKET, NX_IP_PERIODIC_RATE);

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

        /* Fill in the packet with data.     */
        status = nx_packet_data_append(my_packet, "01012345678920123456", 20, &pool_0, NX_IP_PERIODIC_RATE);

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

        server_socket.nx_tcp_socket_mss = 100;

#if defined(__PRODUCT_NETXDUO__)
        server_socket.nx_tcp_socket_connect_ip.nxd_ip_version = NX_IP_VERSION_V4;
#endif
        /* Send the packet out!  */
        status = nx_tcp_socket_send(&server_socket, my_packet, NX_IP_PERIODIC_RATE);

        /* Determine if the status is valid.  */
        if(status == NX_SUCCESS)
            error_counter++;
    }
    else
        error_counter++;

    /* Unlisten on the server port.  */
    status = nx_tcp_server_socket_unlisten(&ip_0, 12);

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

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

static void    ntest_0_connect_received(NX_TCP_SOCKET *socket_ptr, UINT port)
{

    /* Check for the proper socket and port.  */
    if((socket_ptr != &server_socket) || (port != 12))
        error_counter++;
}
#else

#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void    netx_5_21_application_define(void *first_unused_memory)
#endif
{

    /* Print out test information banner.  */
    printf("NetX Test:   TCP Spec 5.21 Test........................................N/A\n"); 

    test_control_return(3);  
}      
#endif