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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 */
/***************************************************************************/
/* The DHCPREQUEST message MUST use the same value in the DHCP message header's 'secs' field and be sent to the same IP
* broadcast address as the original DHCPDISCOVER message.
* rfc 2131, page 16, 3.1 Client-server interaction - allocating a network address
*/
#include "tx_api.h"
#include "nx_api.h"
#include "netx_dhcp_clone_function.h"
#include "nx_ipv4.h"
#include "nxd_dhcp_client.h"
extern void test_control_return(UINT status);
#if !defined(NX_DISABLE_IPV4)
#define DEMO_STACK_SIZE 4096
#define NX_PACKET_SIZE 1536
#define NX_PACKET_POOL_SIZE NX_PACKET_SIZE * 8
#define NX_DHCP_SERVER_IP_ADDRESS_0 IP_ADDRESS(10,0,0,1)
#define START_IP_ADDRESS_LIST_0 IP_ADDRESS(10,0,0,10)
#define END_IP_ADDRESS_LIST_0 IP_ADDRESS(10,0,0,19)
#define NX_DHCP_SUBNET_MASK_0 IP_ADDRESS(255,255,255,0)
#define NX_DHCP_DEFAULT_GATEWAY_0 IP_ADDRESS(10,0,0,1)
#define NX_DHCP_DNS_SERVER_0 IP_ADDRESS(10,0,0,1)
/* Define the ThreadX and NetX object control blocks... */
static TX_THREAD client_thread;
static NX_PACKET_POOL client_pool;
static NX_IP client_ip;
static NX_DHCP dhcp_client;
static TX_THREAD server_thread;
static NX_PACKET_POOL server_pool;
static NX_IP server_ip;
static NX_UDP_SOCKET server_socket;
/* Define the counters used in the demo application... */
static ULONG error_counter;
static CHAR *pointer;
static UINT test_done = NX_FALSE;
/* Define thread prototypes. */
static void server_thread_entry(ULONG thread_input);
static void client_thread_entry(ULONG thread_input);
static UINT nx_dhcp_response_packet_send(NX_UDP_SOCKET *server_socket_ptr, INT packet_number);
/******** Optionally substitute your Ethernet driver here. ***********/
extern void _nx_ram_network_driver_1500(struct NX_IP_DRIVER_STRUCT *driver_req);
typedef struct DHCP_RESPONSE_STRUCT
{
UCHAR *dhcp_response_pkt_data;
UINT dhcp_response_pkt_size;
} DHCP_RESPONSE;
static DHCP_RESPONSE dhcp_response[3];
/* Frame (342 bytes) */
static unsigned char offer[342] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x15, /* ........ */
0x5d, 0x02, 0x1e, 0x0f, 0x08, 0x00, 0x45, 0x10, /* ].....E. */
0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, /* .H...... */
0x76, 0xec, 0xc0, 0xa8, 0x02, 0x01, 0xff, 0xff, /* v....... */
0xff, 0xff, 0x00, 0x43, 0x00, 0x44, 0x01, 0x34, /* ...C.D.4 */
0xb0, 0x32, 0x02, 0x01, 0x06, 0x00, 0x22, 0x33, /* .2...."3 */
0x44, 0x6f, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, /* Do...... */
0x00, 0x00, 0xc0, 0xa8, 0x02, 0xc5, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, /* ........ */
0x22, 0x33, 0x44, 0x57, 0x00, 0x00, 0x00, 0x00, /* "3DW.... */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82, /* ......c. */
0x53, 0x63, 0x35, 0x01, 0x02, 0x36, 0x04, 0xc0, /* Sc5..6.. */
0xa8, 0x02, 0x01, 0x33, 0x04, 0x00, 0x00, 0x1b, /* ...3.... */
0xfe, 0x01, 0x04, 0xff, 0xff, 0xff, 0x00, 0x03, /* ........ */
0x04, 0xc0, 0xa8, 0x02, 0x01, 0x06, 0x04, 0xc0, /* ........ */
0xa8, 0x02, 0x01, 0x2a, 0x04, 0x7c, 0x6c, 0x14, /* ...*.|l. */
0x01, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /* ...... */
};
/* Define what the initial system looks like. */
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_dhcp_client_ntp_option_test_application_define(void *first_unused_memory)
#endif
{
UINT status;
/* Setup the working pointer. */
pointer = (CHAR *) first_unused_memory;
/* Create the client thread. */
tx_thread_create(&client_thread, "thread client", client_thread_entry, 0,
pointer, DEMO_STACK_SIZE,
4, 4, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + DEMO_STACK_SIZE;
/* Create the server thread. */
tx_thread_create(&server_thread, "thread server", server_thread_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 the client packet pool. */
status = nx_packet_pool_create(&client_pool, "NetX Main Packet Pool", 1024, pointer, NX_PACKET_POOL_SIZE);
pointer = pointer + NX_PACKET_POOL_SIZE;
/* Check for pool creation error. */
if (status)
error_counter++;
/* Create the server packet pool. */
status = nx_packet_pool_create(&server_pool, "NetX Main Packet Pool", 1024, pointer, NX_PACKET_POOL_SIZE);
pointer = pointer + NX_PACKET_POOL_SIZE;
/* Check for pool creation error. */
if (status)
error_counter++;
/* Create an IP instance for the DHCP Client. */
status = nx_ip_create(&client_ip, "DHCP Client", IP_ADDRESS(0, 0, 0, 0), 0xFFFFFF00UL, &client_pool, _nx_ram_network_driver_1500, pointer, 2048, 1);
pointer = pointer + 2048;
/* Check for IP create errors. */
if (status)
error_counter++;
/* Create an IP instance for the DHCP Server. */
status = nx_ip_create(&server_ip, "DHCP Server", NX_DHCP_SERVER_IP_ADDRESS_0, 0xFFFFFF00UL, &server_pool, _nx_ram_network_driver_1500, pointer, 2048, 1);
pointer = pointer + 2048;
/* Check for IP create errors. */
if (status)
error_counter++;
/* Enable ARP and supply ARP cache memory for DHCP Client IP. */
status = nx_arp_enable(&client_ip, (void *) pointer, 1024);
pointer = pointer + 1024;
/* Check for ARP enable errors. */
if (status)
error_counter++;
/* Enable ARP and supply ARP cache memory for DHCP Server IP. */
status = nx_arp_enable(&server_ip, (void *) pointer, 1024);
pointer = pointer + 1024;
/* Check for ARP enable errors. */
if (status)
error_counter++;
/* Enable UDP traffic. */
status = nx_udp_enable(&client_ip);
/* Check for UDP enable errors. */
if (status)
error_counter++;
/* Enable UDP traffic. */
status = nx_udp_enable(&server_ip);
/* Check for UDP enable errors. */
if (status)
error_counter++;
/* Enable ICMP. */
status = nx_icmp_enable(&client_ip);
/* Check for errors. */
if (status)
error_counter++;
/* Enable ICMP. */
status = nx_icmp_enable(&server_ip);
/* Check for errors. */
if (status)
error_counter++;
return;
}
/* Define the test threads. */
void server_thread_entry(ULONG thread_input)
{
UINT status;
UINT i = 0;
UINT index;
NX_PACKET *my_packet;
UCHAR *option_ptr;
UINT option_size;
printf("NetX Test: DHCP Client NTP Option test...............................");
#ifdef __PRODUCT_NETXDUO__
/* Update the MAC address. */
status = nx_ip_interface_physical_address_set(&server_ip, 0, 0x00000015, 0x5d021e0f, NX_TRUE);
/* Check for errors. */
if (status)
{
printf("ERROR!\n");
test_control_return(1);
}
#else
server_ip.nx_ip_interface[0].nx_interface_physical_address_msw = 0x00000015;
server_ip.nx_ip_interface[0].nx_interface_physical_address_lsw = 0x5d021e0f;
#endif
/* Create a socket as the server. */
status = nx_udp_socket_create(&server_ip, &server_socket, "Socket Server", NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE, 5);
/* Check status. */
if (status)
{
printf("ERROR!\n");
test_control_return(1);
}
status = nx_udp_socket_bind(&server_socket, NX_DHCP_SERVER_UDP_PORT, TX_WAIT_FOREVER);
/* Check status. */
if (status)
{
printf("ERROR!\n");
test_control_return(1);
}
dhcp_response[0].dhcp_response_pkt_data = (char*)offer;
dhcp_response[0].dhcp_response_pkt_size = sizeof(offer);
dhcp_response[1].dhcp_response_pkt_data = offer;
dhcp_response[1].dhcp_response_pkt_size = sizeof(offer);
dhcp_response[2].dhcp_response_pkt_data = offer;
dhcp_response[2].dhcp_response_pkt_size = sizeof(offer);
/* Wait for Client requests (DISCOVER and REQEUST). */
for (i = 0; i < 3; i++)
{
/* Receive DHCP message. */
status = nx_udp_socket_receive(&server_socket, &my_packet, 10 * NX_IP_PERIODIC_RATE);
/* Release the packet. */
nx_packet_release(my_packet);
/* Send response. */
status = nx_dhcp_response_packet_send(&server_socket, i);
switch (i)
{
case 0:
client_pool.nx_packet_pool_available = NX_FALSE;
break;
case 1:
client_pool.nx_packet_pool_available = NX_TRUE;
dhcp_client.nx_dhcp_ip_ptr->nx_ip_interface[0].nx_interface_physical_address_msw = 17;
dhcp_client.nx_dhcp_ip_ptr->nx_ip_interface[0].nx_interface_physical_address_lsw = 123456;
break;
case 2:
dhcp_client.nx_dhcp_ip_ptr->nx_ip_interface[0].nx_interface_physical_address_msw = 18;
break;
default:
break;
}
if (status)
{
printf("ERROR!\n");
test_control_return(1);
}
}
/* Wait for test done. */
while(test_done == NX_FALSE)
{
tx_thread_sleep(NX_IP_PERIODIC_RATE);
}
if (error_counter)
{
printf("ERROR!\n");
test_control_return(1);
}
else
{
printf("SUCCESS!\n");
test_control_return(0);
}
return;
}
/* Define the test threads. */
void client_thread_entry(ULONG thread_input)
{
UINT status;
UINT i = 0;
ULONG ntp_server_address;
UINT ntp_server_address_size = 4;
#ifdef __PRODUCT_NETXDUO__
/* Update the MAC address. */
status = nx_ip_interface_physical_address_set(&client_ip, 0, 0x00000011, 0x22334457, NX_TRUE);
/* Check for errors. */
if (status)
{
error_counter++;
}
#else
client_ip.nx_ip_interface[0].nx_interface_physical_address_msw = 0x00000011;
client_ip.nx_ip_interface[0].nx_interface_physical_address_lsw = 0x22334457;
#endif
/* Create the DHCP instance. */
status = nx_dhcp_create(&dhcp_client, &client_ip, "dhcp_client");
if (status)
{
error_counter++;
}
#ifdef NX_DHCP_CLIENT_USER_CREATE_PACKET_POOL
status = nx_dhcp_packet_pool_set(&dhcp_client, &client_pool);
if (status)
error_counter++;
#endif /* NX_DHCP_CLIENT_USER_CREATE_PACKET_POOL */
/* Request NTP. */
status = nx_dhcp_user_option_request(&dhcp_client, NX_DHCP_OPTION_NTP_SVR);
if (status)
{
error_counter++;
}
for (i = 0; i < 2; i++)
{
/* Start the DHCP Client. */
status = nx_dhcp_start(&dhcp_client);
if (status)
{
error_counter++;
}
tx_thread_sleep(5 * NX_IP_PERIODIC_RATE);
/* Stopping the DHCP client. */
nx_dhcp_stop(&dhcp_client);
}
/* All done. Return resources to NetX and ThreadX. */
nx_dhcp_delete(&dhcp_client);
test_done = NX_TRUE;
return;
}
static UINT nx_dhcp_response_packet_send(NX_UDP_SOCKET *server_socket_ptr, INT packet_number)
{
UINT status;
NX_PACKET *response_packet;
/* Allocate a response packet. */
status = nx_packet_allocate(&server_pool, &response_packet, NX_UDP_PACKET, TX_WAIT_FOREVER);
/* Check status. */
if (status)
{
error_counter++;
}
/* Write the response messages into the packet payload! */
memcpy(response_packet -> nx_packet_prepend_ptr, dhcp_response[packet_number].dhcp_response_pkt_data + (14 + 20 + 8),
dhcp_response[packet_number].dhcp_response_pkt_size - (14 + 20 + 8));
/* Adjust the write pointer. */
response_packet -> nx_packet_length = dhcp_response[packet_number].dhcp_response_pkt_size - (14 + 20 + 8);
response_packet -> nx_packet_append_ptr = response_packet -> nx_packet_prepend_ptr + response_packet -> nx_packet_length;
/* Fake the transaction id. */
dhcp_client.nx_dhcp_interface_record[0].nx_dhcp_xid = 0x2233446f;
/* Send the packet. */
status = nx_udp_socket_send(server_socket_ptr, response_packet, IP_ADDRESS(255, 255, 255, 255), NX_DHCP_CLIENT_UDP_PORT);
/* Check the status. */
if (status)
{
nx_packet_release(response_packet);
}
return status;
}
#else
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_dhcp_client_ntp_option_test_application_define(void *first_unused_memory)
#endif
{
/* Print out test information banner. */
printf("NetX Test: DHCP Client NTP Option test...............................N/A\n");
test_control_return(3);
}
#endif
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