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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 */
/***************************************************************************/
/* Testing the multiple interface DHCP Client */
/* This test checks that the DHCP Client can run on the secondary interface,
only using the nx_dhcp_set_interface_index for backward compatibility.
Set MAX PHYSICAL INTERFACES to 2, NX_DHCP_CLIENT_MAX_INTERFACES to 1
and run the demo.
*/
#include "tx_api.h"
#include "nx_api.h"
#include "nx_ram_network_driver_test_1500.h"
#include "nxd_dhcp_client.h"
extern void test_control_return(UINT);
#if (NX_MAX_PHYSICAL_INTERFACES >= 2)
#define DEMO_STACK_SIZE 4096
#define PACKET_PAYLOAD 1518
/* Define the ThreadX, NetX object control blocks... */
static NX_UDP_SOCKET server_socket;
static TX_THREAD client_thread;
static TX_THREAD server_thread;
static NX_PACKET_POOL client_pool;
static NX_PACKET_POOL server_pool;
static NX_IP client_ip;
static NX_IP server_ip;
/* Define the NetX FTP object control block. */
static NX_DHCP dhcp_client;
static UINT bound0 = NX_FALSE;
static UINT bound1 = NX_FALSE;
static ULONG dhcp_xid = 0;
typedef struct DHCP_RESPONSE_STRUCT
{
char *dhcp_response_pkt_data;
int dhcp_response_pkt_size;
} DHCP_RESPONSE;
#define NUM_RESPONSES 2
static DHCP_RESPONSE dhcp_response[NUM_RESPONSES];
/* Define the counters used in the demo application... */
static UINT error_counter = 0;
static UINT client_running = NX_TRUE;
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, UINT port, INT packet_number);
static void dhcp_test_initialize();
static void dhcp_interface_state_change(NX_DHCP *dhcp_ptr, UINT iface_index, UCHAR new_state);
static ULONG dhcp_get_dhcp_data(UCHAR *data, UINT size);
extern void _nx_ram_network_driver_1024(NX_IP_DRIVER *driver_req_ptr);
/* Note that the network is 192.2.2.0 and the MAC address is 11 22 33 44 56
because there are four entities (server 2 interfaces, client 2 interfaces
and the ram driver increases the MAC sequentially starting from
11 22 33 44 56. */
static char offer_response[300] = {
0x02, 0x01, 0x06, 0x00, 0x2a, 0x3e, /* {.....T. */
0xF0, 0x1D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0xc0, 0x01, 0x01, 0xf7, 0xc0, 0x01, /* ........ */
0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, /* ........ */
0x22, 0x33, 0x44, 0x59, 0x00, 0x00, 0x00, 0x00, /* T....... */
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, 0x01, 0x04, 0xff, /* Sc5..... */
0xff, 0xff, 0x00, 0x3a, 0x04, 0x00, 0x06, 0xac, /* ...:.... */
0x98, 0x3b, 0x04, 0x00, 0x0b, 0xae, 0x0a, 0x33, /* .;.....3 */
0x04, 0x00, 0x0d, 0x59, 0x30, 0x36, 0x04, 0xc0, /* ...Y06.. */
0x01, 0x01, 0x01, 0x03, 0x04, 0xc0, 0x01, 0x01, /* ........ */
0x01, 0x06, 0x04, 0xc0, 0x01, 0x01, 0x01, 0xff, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /* ...... */
};
static int offer_response_size = 300;
/* Frame (342 bytes) */
static char ack_response[300] = {
0x02, 0x01, 0x06, 0x00, 0x2a, 0x3e, /* {.....T. */
0xF0, 0x1D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
//0x00, 0x00, 0xc0, 0x02, 0x02, 0x01, 0xc0, 0x02, /* ........ */
0x00, 0x00, 0xc0, 0x01, 0x01, 0xf7, 0xc0, 0x01, /* ........ */
0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, /* ........ */
0x22, 0x33, 0x44, 0x59, 0x00, 0x00, 0x00, 0x00, /* T....... */
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, 0x05, 0x3a, 0x04, 0x00, /* Sc5..:.. */
0x06, 0xac, 0x98, 0x3b, 0x04, 0x00, 0x0b, 0xae, /* ...;.... */
0x0a, 0x33, 0x04, 0x00, 0x0d, 0x59, 0x30, 0x36, /* .3...Y06 */
0x04, 0xc0, 0x01, 0x01, 0x01, 0x01, 0x04, 0xff, /* ........ */
0xff, 0xff, 0x00, 0x03, 0x04, 0xc0, 0x01, 0x01, /* ........ */
0x01, 0x06, 0x04, 0xc0, 0x01, 0x01, 0x01, 0xff, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /* ...... */
};
static int ack_response_size = 300;
/* Define what the initial system looks like. */
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_dhcp_client_secondary_interface_test_application_define(void *first_unused_memory)
#endif
{
UINT status;
UCHAR *pointer;
/* Setup the working pointer. */
pointer = (UCHAR *) first_unused_memory;
/* Initialize NetX. */
nx_system_initialize();
/* Set up the FTP Server. */
/* Create the main server thread. */
status = tx_thread_create(&server_thread, "Server thread ", server_thread_entry, 0,
pointer, DEMO_STACK_SIZE,
6, 6, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + DEMO_STACK_SIZE ;
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
}
/* Create the server packet pool. */
status = nx_packet_pool_create(&server_pool, "Server Packet Pool", PACKET_PAYLOAD,
pointer , PACKET_PAYLOAD*6);
pointer = pointer + (PACKET_PAYLOAD*6);
if (status)
error_counter++;
/* Create an IP instance. */
status = nx_ip_create(&server_ip,
"Server IP",
IP_ADDRESS(192,2,2,1),
0xFFFFFF00UL,
&server_pool, _nx_ram_network_driver_1024,
pointer, DEMO_STACK_SIZE, 1);
pointer = pointer + DEMO_STACK_SIZE;
if (status)
error_counter++;
pointer = pointer + 2048;
status = nx_ip_interface_attach(&server_ip, "Client1 IP", IP_ADDRESS(192,1,1,1), 0xFFFFFF00UL, _nx_ram_network_driver_1024);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
}
/* Enable ARP and supply ARP cache memory for the server IP instance. */
status = nx_arp_enable(&server_ip, (void *) pointer, 1024);
pointer = pointer + 1024;
if (status)
error_counter++;
/* Enable UDP traffic. */
status = nx_udp_enable(&server_ip);
if (status)
error_counter++;
/* Set up the Client. */
/* Create the main client thread. */
status = tx_thread_create(&client_thread, "Client thread ", client_thread_entry, 0,
pointer, DEMO_STACK_SIZE,
6, 6, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + DEMO_STACK_SIZE ;
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
}
/* Create a packet pool for the client. */
status = nx_packet_pool_create(&client_pool, "Client Packet Pool", PACKET_PAYLOAD, pointer, 10*PACKET_PAYLOAD);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
}
pointer = pointer + 10*PACKET_PAYLOAD;
/* Create an IP instance for the client. */
status = nx_ip_create(&client_ip, " Client0 IP Instance", IP_ADDRESS(0,0,0,0), 0xFFFFFF00UL,
&client_pool, _nx_ram_network_driver_1024, pointer, 2048, 1);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
}
pointer = pointer + 2048;
status = nx_ip_interface_attach(&client_ip, "Client1 IP", IP_ADDRESS(0,0,0,0), 0xFFFFFF00UL, _nx_ram_network_driver_1024);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
}
/* Enable ARP and supply ARP cache memory for the Client IP. */
nx_arp_enable(&client_ip, (void *) pointer, 1024);
pointer = pointer + 1024;
/* Enable UDP for client IP instance. */
nx_udp_enable(&client_ip);
nx_icmp_enable(&client_ip);
return;
}
/* Define the DHCP client thread. */
static void client_thread_entry(ULONG thread_input)
{
UINT status, actual_status;
UINT time_keeper = 0;
tx_thread_sleep(NX_IP_PERIODIC_RATE / 5);
/* Create the DHCP instance. */
status = nx_dhcp_create(&dhcp_client, &client_ip, "dhcp0");
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 */
/* Register state change callbacks. */
status = nx_dhcp_interface_state_change_notify(&dhcp_client, dhcp_interface_state_change);
if (status)
error_counter++;
/* Only interface 1 should be active! */
status = nx_dhcp_set_interface_index(&dhcp_client, 1);
if (status)
error_counter++;
/* Start the DHCP Client. */
status = nx_dhcp_start(&dhcp_client);
if (status)
error_counter++;
while(bound1 != NX_TRUE)
{
time_keeper += 100;
tx_thread_sleep(NX_IP_PERIODIC_RATE);
if (time_keeper >= 1000)
{
error_counter++;
break;
}
}
if ((bound1 != NX_TRUE) || (bound0 == NX_TRUE))
{
error_counter++;
}
/* Verify interface 0 does not have a valid IP address. */
status = nx_ip_interface_status_check(&client_ip, 0, NX_IP_ADDRESS_RESOLVED, (ULONG *) &actual_status, NX_NO_WAIT);
if (status == NX_SUCCESS)
{
error_counter++;
}
/* Verify interface 1 has a valid IP address. */
status = nx_ip_interface_status_check(&client_ip, 1, NX_IP_ADDRESS_RESOLVED, (ULONG *) &actual_status, NX_NO_WAIT);
if (status != NX_SUCCESS)
{
error_counter++;
}
client_running = NX_FALSE;
nx_dhcp_release(&dhcp_client);
}
/* Define the helper FTP server thread. */
static void server_thread_entry(ULONG thread_input)
{
UINT status;
NX_PACKET *my_packet;
UINT i;
/* Print out test information banner. */
printf("NetX Test: DHCP Client Secondary Interface Test......................");
/* Check for earlier error. */
if(error_counter)
{
printf("ERROR!\n");
test_control_return(1);
}
/* 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)
{
error_counter++;
}
status = nx_udp_socket_bind(&server_socket, NX_DHCP_SERVER_UDP_PORT, TX_WAIT_FOREVER);
/* Check status. */
if (status)
{
error_counter++;
}
/* Load up the server 'responses'. */
dhcp_test_initialize();
i = 0;
/* Wait for Client requests */
while ( i < NUM_RESPONSES)
{
if (i <= 1)
{
status = nx_udp_socket_receive(&server_socket, &my_packet, 10 * NX_IP_PERIODIC_RATE);
/* Check status. */
if (status)
{
error_counter++;
}
else
{
dhcp_xid = dhcp_get_dhcp_data(my_packet -> nx_packet_prepend_ptr + NX_BOOTP_OFFSET_XID, 4);
/* Release the packet. */
nx_packet_release(my_packet);
status = nx_dhcp_response_packet_send(&server_socket, 68, i);
}
}
/* Check status. */
if (status)
{
error_counter++;
}
/* Advance the index for the next response. */
i++;
}
/* Check status. */
if (status)
{
error_counter++;
}
/* Should get one more message from the Client, a DECLINE message. */
status = nx_udp_socket_receive(&server_socket, &my_packet, 10 * NX_IP_PERIODIC_RATE);
/* Check status. */
if (status)
{
error_counter++;
}
/* Wait for the client thread to terminate. */
while(client_running == NX_TRUE)
tx_thread_sleep(20);
/* Delete the UDP socket. */
nx_udp_socket_delete(&server_socket);
if(error_counter)
{
printf("ERROR!\n");
test_control_return(1);
}
else
{
printf("SUCCESS!\n");
test_control_return(0);
};
}
static void dhcp_test_initialize()
{
/* Download data responses */
dhcp_response[0].dhcp_response_pkt_data = &offer_response[0];
dhcp_response[0].dhcp_response_pkt_size = offer_response_size ;
dhcp_response[1].dhcp_response_pkt_data = &ack_response[0];
dhcp_response[1].dhcp_response_pkt_size = ack_response_size ;
}
static UINT nx_dhcp_response_packet_send(NX_UDP_SOCKET *server_socket_ptr, UINT port, INT packet_number)
{
UINT status;
NX_PACKET *response_packet;
UCHAR *work_ptr;
/* Allocate a response packet. */
status = nx_packet_allocate(&server_pool, &response_packet, NX_TCP_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,
dhcp_response[packet_number].dhcp_response_pkt_size);
/* Now replace the XID in the server message with what we know is the Client XID. */
work_ptr = (UCHAR *)(response_packet -> nx_packet_prepend_ptr + NX_BOOTP_OFFSET_XID);
NX_CHANGE_ULONG_ENDIAN(dhcp_xid);
memcpy(work_ptr, (void const *)(&dhcp_xid), 4);
/* Adjust the write pointer. */
response_packet -> nx_packet_length = dhcp_response[packet_number].dhcp_response_pkt_size;
response_packet -> nx_packet_append_ptr = response_packet -> nx_packet_prepend_ptr + response_packet -> nx_packet_length;
/* Send the packet with the correct port. */
status = nx_udp_socket_interface_send(server_socket_ptr, response_packet, 0xFFFFFFFF, 68, 1);
/* Check the status. */
if (status)
nx_packet_release(response_packet);
return status;
}
static void dhcp_interface_state_change(NX_DHCP *dhcp_ptr, UINT iface_index, UCHAR new_state)
{
if (iface_index == 0)
{
if (new_state == NX_DHCP_STATE_BOUND)
{
bound0 = NX_TRUE;
}
}
else
{
if (new_state == NX_DHCP_STATE_BOUND)
{
bound1 = NX_TRUE;
}
}
return;
}
static ULONG dhcp_get_dhcp_data(UCHAR *data, UINT size)
{
ULONG value = 0;
/* Process the data retrieval request. */
while (size-- > 0)
{
/* Build return value. */
value = (value << 8) | *data++;
}
/* Return value. */
return(value);
}
#else
#ifdef CTEST
VOID test_application_define(void *first_unused_memory)
#else
void netx_dhcp_client_secondary_interface_test_application_define(void * first_unused_memory)
#endif
{
printf("NetX Test: DHCP Client Secondary Interface Test......................N/A!\n");
test_control_return(3);
}
#endif /* (NX_MAX_PHYSICAL_INTERFACES >= 2) */
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