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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 UDP socket unbind operation. */
#include "tx_api.h"
#include "nx_api.h"
#define DEMO_STACK_SIZE 2048
/* Define the ThreadX and NetX object control blocks... */
static TX_THREAD thread_0;
static TX_THREAD thread_1;
static TX_THREAD thread_2;
static NX_PACKET_POOL pool_0;
static NX_IP ip_0;
static NX_UDP_SOCKET socket_0;
static NX_UDP_SOCKET socket_1;
static NX_UDP_SOCKET socket_2;
static NX_UDP_SOCKET socket_3;
/* Define the counters used in the demo application... */
static ULONG error_counter;
/* The 2 ports will hashed to the same index. */
#define CLIENT_PORT_1 0x00000100
#define CLIENT_PORT_2 0x00008100
/* Define thread prototypes. */
static void thread_0_entry(ULONG thread_input);
static void thread_1_entry(ULONG thread_input);
static void thread_2_entry(ULONG thread_input);
extern void _nx_ram_network_driver_256(struct NX_IP_DRIVER_STRUCT *driver_req);
extern void test_control_return(UINT status);
/* Define what the initial system looks like. */
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_udp_socket_unbind_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,
3, 3, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + DEMO_STACK_SIZE;
tx_thread_create(&thread_1, "thread 1", thread_1_entry, 0,
pointer, DEMO_STACK_SIZE,
3, 3, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + DEMO_STACK_SIZE;
tx_thread_create(&thread_2, "thread 2", thread_2_entry, 0,
pointer, DEMO_STACK_SIZE,
3, 3, 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, 2048);
pointer = pointer + 2048;
if (status)
error_counter++;
/* Create an IP instance. */
status = nx_ip_create(&ip_0, "NetX IP Instance 0", IP_ADDRESS(1, 2, 3, 4), 0xFFFFF000UL, &pool_0, _nx_ram_network_driver_256,
pointer, 2048, 1);
pointer = pointer + 2048;
if (status)
error_counter++;
/* Enable UDP traffic. */
status = nx_udp_enable(&ip_0);
if (status)
error_counter++;
}
/* Define the test threads. */
static void thread_0_entry(ULONG thread_input)
{
UINT status;
/* Print out some test information banners. */
printf("NetX Test: UDP Socket Unbind Test...................................");
/* Check for earlier error. */
if (error_counter)
{
printf("ERROR!\n");
test_control_return(1);
}
/* Create a UDP socket. */
status = nx_udp_socket_create(&ip_0, &socket_0, "Socket 0", NX_IP_NORMAL, NX_FRAGMENT_OKAY, 0x80, 5);
if (status)
error_counter++;
/* Create a UDP socket. */
status = nx_udp_socket_create(&ip_0, &socket_3, "Socket 3", NX_IP_NORMAL, NX_FRAGMENT_OKAY, 0x80, 5);
if (status)
error_counter++;
/* Bind the UDP socket to the IP port. */
status = nx_udp_socket_bind(&socket_0, CLIENT_PORT_1, 2 * NX_IP_PERIODIC_RATE);
if (status)
error_counter++;
/* Bind the UDP socket to the IP port which is mapped to the same index with CLIENT_PORT_1. */
status = nx_udp_socket_bind(&socket_3, CLIENT_PORT_2, 2 * NX_IP_PERIODIC_RATE);
if (status)
error_counter++;
/* Let socket 1 bind to CLIENT_PORT_1 that socket 0 has bound to . */
tx_thread_suspend(&thread_0);
/* Unbind the socket 1, socket_1 is in bound process now. */
status = nx_udp_socket_unbind(&socket_1);
if (status)
error_counter++;
/* Let socket 1 and socket 2 bind to CLIENT_PORT_1 that socket 0 has bound to again. */
tx_thread_resume(&thread_2);
tx_thread_suspend(&thread_0);
/* Unbind the UDP socket. thread_1 and thread_2 is suspended for CLIENT_PORT_1 now, and */
/* socket_3 is bound to the port which has the same hash index with CLIENT_PORT_1. */
status = nx_udp_socket_unbind(&socket_0);
if (status)
error_counter++;
status = nx_udp_socket_unbind(&socket_3);
status = nx_udp_socket_delete(&socket_3);
/* Let thread 1 and thread 2 finish the job. */
tx_thread_sleep(NX_IP_PERIODIC_RATE);
status = nx_udp_socket_bind(&socket_0, CLIENT_PORT_1, 2 * NX_IP_PERIODIC_RATE);
if (status)
error_counter++;
tx_thread_resume(&thread_2);
tx_thread_sleep(NX_IP_PERIODIC_RATE/2);
status = nx_udp_socket_unbind(&socket_0);
if (status)
error_counter++;
/* Delete the UDP socket. */
status = nx_udp_socket_delete(&socket_0);
if (status)
error_counter++;
if(error_counter)
{
printf("ERROR!\n");
test_control_return(1);
}
else
{
printf("SUCCESS!\n");
test_control_return(0);
}
}
static void thread_1_entry(ULONG thread_input)
{
UINT status;
/* Create a UDP socket. */
status = nx_udp_socket_create(&ip_0, &socket_1, "Socket 1", NX_IP_NORMAL, NX_FRAGMENT_OKAY, 0x80, 5);
if (status)
error_counter++;
/* Bind the UDP socket to CLIENT_PORT_1 that socket_0 has bound to. */
status = nx_udp_socket_bind(&socket_1, CLIENT_PORT_1, 5 * NX_IP_PERIODIC_RATE);
if (status != NX_PORT_UNAVAILABLE)
error_counter++;
tx_thread_resume(&thread_0);
/* Bind the UDP socket to CLIENT_PORT_1 that socket_0 has bound to. */
status = nx_udp_socket_bind(&socket_1, CLIENT_PORT_1, 5 * NX_IP_PERIODIC_RATE);
/* Unbind the UDP socket. */
status = nx_udp_socket_unbind(&socket_1);
/* Delete the UDP socket. */
status = nx_udp_socket_delete(&socket_1);
}
static void thread_2_entry(ULONG thread_input)
{
UINT status;
/* Suspend this thread, resume thread_0. */
tx_thread_resume(&thread_0);
tx_thread_suspend(&thread_2);
status = nx_udp_socket_create(&ip_0, &socket_2, "Socket 2", NX_IP_NORMAL, NX_FRAGMENT_OKAY, 0x80, 5);
if(status)
error_counter++;
/* Bind the socket to CLIENT_PORT_1 that socket_0 has bound to. */
status = nx_udp_socket_bind(&socket_2, CLIENT_PORT_1, 5 * NX_IP_PERIODIC_RATE);
/* Unbind the UDP socket. */
status = nx_udp_socket_unbind(&socket_2);
tx_thread_suspend(&thread_2);
status = nx_udp_socket_bind(&socket_2, CLIENT_PORT_1, 5 * NX_IP_PERIODIC_RATE);
}
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