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/***************************************************************************/
/* 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 the TCP data trim operation. */
/* Cover the code line 115-124 and line 136-146 for _nx_tcp_socket_state_trim(); */
#include "tx_api.h"
#include "nx_api.h"
#include "nx_ram_network_driver_test_1500.h"
extern void test_control_return(UINT status);
#if !defined(NX_DISABLE_PACKET_CHAIN) && defined(__PRODUCT_NETXDUO__) && !defined(NX_DISABLE_IPV4)
#define DEMO_STACK_SIZE 2048
#define NX_PACKET_SIZE (1536 + sizeof(NX_PACKET))
#define NX_PACKET_POOL_SIZE (NX_PACKET_SIZE * 20)
#define NX_PACKET_SMALL_SIZE (256 + sizeof(NX_PACKET))
#define NX_PACKET_POOL_SMALL_SIZE (NX_PACKET_SMALL_SIZE * 20)
/* Define the ThreadX and NetX object control blocks... */
static TX_THREAD ntest_0;
static TX_THREAD ntest_1;
static NX_PACKET_POOL pool_0;
static NX_PACKET_POOL pool_1;
static NX_IP ip_0;
static NX_IP ip_1;
static NX_TCP_SOCKET client_socket;
static NX_TCP_SOCKET server_socket;
static UCHAR message[1000];
static ULONG data_counter;
/* 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_1_entry(ULONG thread_input);
static void ntest_1_connect_received(NX_TCP_SOCKET *server_socket, UINT port);
static void ntest_1_disconnect_received(NX_TCP_SOCKET *server_socket);
extern void _nx_ram_network_driver_1500(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_tcp_data_trim_test_application_define(void *first_unused_memory)
#endif
{
CHAR *pointer;
UINT status;
/* Setup the working pointer. */
pointer = (CHAR *) first_unused_memory;
error_counter = 0;
data_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;
/* Create the main thread. */
tx_thread_create(&ntest_1, "thread 1", ntest_1_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 for IP instance 0. */
status = nx_packet_pool_create(&pool_0, "NetX Main Packet Pool", NX_PACKET_SIZE, pointer, NX_PACKET_POOL_SIZE);
pointer = pointer + NX_PACKET_POOL_SIZE;
if (status)
error_counter++;
/* Create a packet pool for IP instance 1. */
status = nx_packet_pool_create(&pool_1, "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_1500,
pointer, 2048, 1);
pointer = pointer + 2048;
/* Create another IP instance. */
status += nx_ip_create(&ip_1, "NetX IP Instance 1", IP_ADDRESS(1, 2, 3, 5), 0xFFFFFF00UL, &pool_1, _nx_ram_network_driver_1500,
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 ARP and supply ARP cache memory for IP Instance 1. */
status = nx_arp_enable(&ip_1, (void *) pointer, 1024);
pointer = pointer + 1024;
if (status)
error_counter++;
/* Enable TCP processing for both IP instances. */
status = nx_tcp_enable(&ip_0);
status += nx_tcp_enable(&ip_1);
/* 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;
/* Let the other thread run first. */
tx_thread_relinquish();
/* Print out test information banner. */
printf("NetX Test: TCP Data Trim 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, 300,
NX_NULL, NX_NULL);
/* Check for error. */
if (status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Bind the socket. */
status = nx_tcp_client_socket_bind(&client_socket, 12, NX_WAIT_FOREVER);
/* Check for error. */
if (status)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Attempt to connect the socket. */
status = nx_tcp_client_socket_connect(&client_socket, IP_ADDRESS(1, 2, 3, 5), 12, NX_IP_PERIODIC_RATE);
/* Check for error. */
if (status)
{
printf("ERROR!\n");
test_control_return(1);
}
tx_thread_relinquish();
/* Check the window size. */
if ((client_socket.nx_tcp_socket_rx_window_current != 300) || (client_socket.nx_tcp_socket_tx_window_advertised != 300) ||
(server_socket.nx_tcp_socket_rx_window_current != 300) || (server_socket.nx_tcp_socket_tx_window_advertised != 300))
{
printf("ERROR!\n");
test_control_return(1);
}
/* Reset the tx_window_advertised value to let client send large packet to server. */
client_socket.nx_tcp_socket_tx_window_advertised = 1000;
/* Allocate the packet. */
status = nx_packet_allocate(&pool_0, &my_packet, NX_TCP_PACKET, NX_WAIT_FOREVER);
/* Check status. */
if (status != NX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Write data that is larger than window size. */
status = nx_packet_data_append(my_packet, message, 1000, &pool_0, NX_WAIT_FOREVER);
/* Check status. */
if (status != NX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Send the packet out! */
status = nx_tcp_socket_send(&client_socket, my_packet, NX_IP_PERIODIC_RATE);
/* Check status. */
if (status)
{
printf("ERROR!\n");
test_control_return(1);
}
tx_thread_relinquish();
/* Check the data length. Server socket should trim the data if the data length is larger than the window. */
/* Determine if the test was successful. */
if ((data_counter != 300) || (error_counter))
{
printf("ERROR!\n");
test_control_return(1);
}
else
{
printf("SUCCESS!\n");
test_control_return(0);
}
}
static void ntest_1_entry(ULONG thread_input)
{
UINT status;
NX_PACKET *packet_ptr;
ULONG actual_status;
/* Ensure the IP instance has been initialized. */
status = nx_ip_status_check(&ip_1, NX_IP_INITIALIZE_DONE, &actual_status, NX_IP_PERIODIC_RATE);
/* Check status... */
if (status != NX_SUCCESS)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Create a socket with the window size 300(2 packets, one packet payload size is 256). */
status = nx_tcp_socket_create(&ip_1, &server_socket, "Server Socket",
NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE, 300,
NX_NULL, ntest_1_disconnect_received);
/* Check for error. */
if (status)
error_counter++;
/* Setup this thread to listen. */
status = nx_tcp_server_socket_listen(&ip_1, 12, &server_socket, 5, ntest_1_connect_received);
/* Check for error. */
if (status)
error_counter++;
/* Accept a client socket connection. */
status = nx_tcp_server_socket_accept(&server_socket, NX_IP_PERIODIC_RATE);
/* Check for error. */
if (status)
error_counter++;
/* Receive the packet. */
status = nx_tcp_socket_receive(&server_socket, &packet_ptr, NX_IP_PERIODIC_RATE);
/* Check for error. */
if(status)
{
error_counter++;
}
/* Record the received data counter. */
data_counter = packet_ptr -> nx_packet_length;
/* Release the packet. */
nx_packet_release(packet_ptr);
}
static void ntest_1_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++;
}
static void ntest_1_disconnect_received(NX_TCP_SOCKET *socket)
{
/* Check for proper disconnected socket. */
if (socket != &server_socket)
error_counter++;
}
#else
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_tcp_data_trim_test_application_define(void *first_unused_memory)
#endif
{
printf("NetX Test: TCP Data Trim Test........................................N/A\n");
test_control_return(3);
}
#endif
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