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/***************************************************************************
* 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.
*
* AI Disclosure: This file was largely AI-generated by Copilot (Sonnet 4.6).
* The AI-generated portions may be considered public domain (CC0-1.0)
* and not subject to the project's licence. The human contributor has
* reviewed and verified that the code is correct.
*
* SPDX-License-Identifier: MIT and CC0-1.0
**************************************************************************/
/* This test exercises setsockopt/getsockopt for SO_LINGER, IP_TOS, IP_TTL,
SO_BROADCAST and TCP_NODELAY, including error-path coverage introduced
by the PR #374 bug-fixes. */
#include "tx_api.h"
#include "nx_api.h"
#if defined(NX_BSD_ENABLE) && !defined(NX_DISABLE_IPV4) && defined(__PRODUCT_NETXDUO__)
#include "nxd_bsd.h"
#define DEMO_STACK_SIZE 4096
#define BSD_THREAD_PRIORITY 2
static TX_THREAD ntest_0;
static NX_PACKET_POOL pool_0;
static NX_IP ip_0;
static ULONG bsd_thread_area[DEMO_STACK_SIZE / sizeof(ULONG)];
static ULONG error_counter;
static ULONG packet_pool_area[(256 + sizeof(NX_PACKET)) * 16 / 4];
static void ntest_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);
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_bsd_socket_options_test_application_define(void *first_unused_memory)
#endif
{
CHAR *pointer = (CHAR *)first_unused_memory;
UINT status;
error_counter = 0;
tx_thread_create(&ntest_0, "thread 0", ntest_0_entry, 0,
pointer, DEMO_STACK_SIZE, 3, 3,
TX_NO_TIME_SLICE, TX_AUTO_START);
pointer += DEMO_STACK_SIZE;
nx_system_initialize();
status = nx_packet_pool_create(&pool_0, "NetX Main Packet Pool", 256,
packet_pool_area, sizeof(packet_pool_area));
if (status)
error_counter++;
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 += 2048;
if (status)
error_counter++;
status = nx_arp_enable(&ip_0, (void *)pointer, 1024);
pointer += 1024;
if (status)
error_counter++;
status = nx_tcp_enable(&ip_0);
if (status)
error_counter++;
status = nx_udp_enable(&ip_0);
if (status)
error_counter++;
status = bsd_initialize(&ip_0, &pool_0, (CHAR *)&bsd_thread_area[0],
sizeof(bsd_thread_area), BSD_THREAD_PRIORITY);
if (status)
error_counter++;
}
static void ntest_0_entry(ULONG thread_input)
{
int tcp_sock;
int udp_sock;
struct nx_bsd_linger ling_set;
struct nx_bsd_linger ling_get;
INT opt_val;
INT opt_len;
INT ret;
NX_PARAMETER_NOT_USED(thread_input);
/* Create sockets. */
tcp_sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (tcp_sock < 0)
error_counter++;
udp_sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (udp_sock < 0)
error_counter++;
/* ================================================================
* SO_LINGER: round-trip on TCP socket
* ================================================================ */
ling_set.l_onoff = 1;
ling_set.l_linger = 5;
ret = setsockopt(tcp_sock, SOL_SOCKET, SO_LINGER,
&ling_set, (INT)sizeof(ling_set));
if (ret != 0)
error_counter++;
opt_len = (INT)sizeof(ling_get);
ret = getsockopt(tcp_sock, SOL_SOCKET, SO_LINGER,
&ling_get, &opt_len);
if (ret != 0)
error_counter++;
if (ling_get.l_onoff != 1)
error_counter++;
if (ling_get.l_linger != 5)
error_counter++;
if (opt_len != (INT)sizeof(struct nx_bsd_linger))
error_counter++;
/* Disable linger and verify l_onoff is cleared. */
ling_set.l_onoff = 0;
ling_set.l_linger = 0;
ret = setsockopt(tcp_sock, SOL_SOCKET, SO_LINGER,
&ling_set, (INT)sizeof(ling_set));
if (ret != 0)
error_counter++;
opt_len = (INT)sizeof(ling_get);
ret = getsockopt(tcp_sock, SOL_SOCKET, SO_LINGER,
&ling_get, &opt_len);
if (ret != 0)
error_counter++;
if (ling_get.l_onoff != 0)
error_counter++;
/* Negative l_linger must be rejected with EINVAL. */
ling_set.l_onoff = 1;
ling_set.l_linger = -1;
ret = setsockopt(tcp_sock, SOL_SOCKET, SO_LINGER,
&ling_set, (INT)sizeof(ling_set));
if (ret == 0)
error_counter++;
/* Short output buffer must be rejected with EINVAL. */
opt_len = 1;
ret = getsockopt(tcp_sock, SOL_SOCKET, SO_LINGER,
&ling_get, &opt_len);
if (ret == 0)
error_counter++;
/* SO_LINGER on a UDP socket must fail with ENOPROTOOPT. */
ling_set.l_onoff = 1;
ling_set.l_linger = 1;
ret = setsockopt(udp_sock, SOL_SOCKET, SO_LINGER,
&ling_set, (INT)sizeof(ling_set));
if (ret == 0)
error_counter++;
/* ================================================================
* IP_TOS: round-trip on TCP socket
* ================================================================ */
opt_val = 0x10;
opt_len = (INT)sizeof(INT);
ret = setsockopt(tcp_sock, IPPROTO_IP, IP_TOS, &opt_val, opt_len);
if (ret != 0)
error_counter++;
opt_val = 0;
opt_len = (INT)sizeof(INT);
ret = getsockopt(tcp_sock, IPPROTO_IP, IP_TOS, &opt_val, &opt_len);
if (ret != 0)
error_counter++;
if (opt_val != 0x10)
error_counter++;
if (opt_len != (INT)sizeof(INT))
error_counter++;
/* IP_TOS round-trip on UDP socket. */
opt_val = 0x28;
opt_len = (INT)sizeof(INT);
ret = setsockopt(udp_sock, IPPROTO_IP, IP_TOS, &opt_val, opt_len);
if (ret != 0)
error_counter++;
opt_val = 0;
opt_len = (INT)sizeof(INT);
ret = getsockopt(udp_sock, IPPROTO_IP, IP_TOS, &opt_val, &opt_len);
if (ret != 0)
error_counter++;
if (opt_val != 0x28)
error_counter++;
/* IP_TOS: out-of-range values must be rejected. */
opt_val = 256;
opt_len = (INT)sizeof(INT);
ret = setsockopt(tcp_sock, IPPROTO_IP, IP_TOS, &opt_val, opt_len);
if (ret == 0)
error_counter++;
opt_val = -1;
opt_len = (INT)sizeof(INT);
ret = setsockopt(tcp_sock, IPPROTO_IP, IP_TOS, &opt_val, opt_len);
if (ret == 0)
error_counter++;
/* A SO_* option number passed to IPPROTO_IP level must be rejected. */
opt_val = 1;
opt_len = (INT)sizeof(INT);
ret = setsockopt(tcp_sock, IPPROTO_IP, SO_BROADCAST, &opt_val, opt_len);
if (ret == 0)
error_counter++;
/* ================================================================
* IP_TTL: round-trip on TCP socket with INT-sized input
* ================================================================ */
opt_val = 64;
opt_len = (INT)sizeof(INT);
ret = setsockopt(tcp_sock, IPPROTO_IP, IP_TTL, &opt_val, opt_len);
if (ret != 0)
error_counter++;
{
UCHAR ttl_get = 0;
INT ttl_len = (INT)sizeof(UCHAR);
ret = getsockopt(tcp_sock, IPPROTO_IP, IP_TTL, &ttl_get, &ttl_len);
if (ret != 0)
error_counter++;
if (ttl_get != 64)
error_counter++;
}
/* IP_TTL: round-trip on UDP socket. */
opt_val = 128;
opt_len = (INT)sizeof(INT);
ret = setsockopt(udp_sock, IPPROTO_IP, IP_TTL, &opt_val, opt_len);
if (ret != 0)
error_counter++;
{
UCHAR ttl_get = 0;
INT ttl_len = (INT)sizeof(UCHAR);
ret = getsockopt(udp_sock, IPPROTO_IP, IP_TTL, &ttl_get, &ttl_len);
if (ret != 0)
error_counter++;
if (ttl_get != 128)
error_counter++;
}
/* IP_TTL: out-of-range INT values must be rejected. */
opt_val = 300;
opt_len = (INT)sizeof(INT);
ret = setsockopt(tcp_sock, IPPROTO_IP, IP_TTL, &opt_val, opt_len);
if (ret == 0)
error_counter++;
opt_val = -1;
opt_len = (INT)sizeof(INT);
ret = setsockopt(tcp_sock, IPPROTO_IP, IP_TTL, &opt_val, opt_len);
if (ret == 0)
error_counter++;
/* ================================================================
* SO_BROADCAST: getsockopt validates option_length
* ================================================================ */
opt_val = 0;
opt_len = (INT)sizeof(INT);
ret = getsockopt(tcp_sock, SOL_SOCKET, SO_BROADCAST, &opt_val, &opt_len);
if (ret != 0)
error_counter++;
if (opt_val != 1)
error_counter++;
if (opt_len != (INT)sizeof(INT))
error_counter++;
opt_val = 0;
opt_len = 1;
ret = getsockopt(tcp_sock, SOL_SOCKET, SO_BROADCAST, &opt_val, &opt_len);
if (ret == 0)
error_counter++;
/* ================================================================
* TCP_NODELAY: getsockopt validates option_length
* ================================================================ */
opt_val = 0;
opt_len = (INT)sizeof(INT);
ret = getsockopt(tcp_sock, IPPROTO_TCP, TCP_NODELAY, &opt_val, &opt_len);
if (ret != 0)
error_counter++;
if (opt_val != 1)
error_counter++;
if (opt_len != (INT)sizeof(INT))
error_counter++;
opt_val = 0;
opt_len = 1;
ret = getsockopt(tcp_sock, IPPROTO_TCP, TCP_NODELAY, &opt_val, &opt_len);
if (ret == 0)
error_counter++;
/* Clean up. */
soc_close(tcp_sock);
soc_close(udp_sock);
if (error_counter)
test_control_return(1);
else
test_control_return(0);
}
#else
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_bsd_socket_options_test_application_define(void *first_unused_memory)
#endif
{
NX_PARAMETER_NOT_USED(first_unused_memory);
test_control_return(3);
}
#endif /* NX_BSD_ENABLE && !NX_DISABLE_IPV4 && __PRODUCT_NETXDUO__ */
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