1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
|
/***************************************************************************/
/* 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 is a test of the default DHCP Client configuration; one interface (primary interface) is configured.
Required: NX_MAX_PHYSICAL_INTERFACES and NX_DHCP_CLIENT_MAX_INTERFACES = 1. */
#include "tx_api.h"
#include "nx_api.h"
#include "nxd_dhcp_client.h"
#define DEMO_STACK_SIZE 4096
#define PACKET_PAYLOAD 1518
//#define REQUEST_CLIENT_IP
#ifdef REQUEST_CLIENT_IP
#define CLIENT_IP_ADDRESS IP_ADDRESS(192,1,1,66)
UINT skip_discover_message = NX_TRUE;
#endif
/* Define the ThreadX, NetX object control blocks... */
NX_UDP_SOCKET server_socket;
TX_THREAD client_thread;
TX_THREAD server_thread;
NX_PACKET_POOL client_pool;
NX_PACKET_POOL server_pool;
NX_IP client_ip;
NX_IP server_ip;
/* Define the NetX FTP object control block. */
NX_DHCP dhcp_client;
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_FALSE;
#define SERVER_PORT 67
/* Replace the 'ram' driver with your Ethernet driver. */
extern VOID nx_driver_ram_driver(NX_IP_DRIVER*);
void server_thread_entry(ULONG thread_input);
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_change1(NX_DHCP *dhcp_ptr, UCHAR new_state);
extern void test_control_return(UINT);
extern void _nx_ram_network_driver_1024(NX_IP_DRIVER *driver_req_ptr);
static char offer_response[300] = {
0x02, 0x01, 0x06, 0x00, 0x31, 0x9d, /* {.....T. */
0x58, 0xa2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
#ifdef REQUEST_CLIENT_IP
0x00, 0x00, 0xc0, 0x01, 0x01, 0x43, 0xc0, 0x01, /* ........ */
#else
0x00, 0x00, 0xc0, 0x01, 0x01, 0xF7, 0xc0, 0x01, /* ........ */
#endif
0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, /* ........ */
0x22, 0x33, 0x44, 0x57, 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, 0x31, 0x9d, /* {.....T. */
0x58, 0xa2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
#ifdef REQUEST_CLIENT_IP
0x00, 0x00, 0xc0, 0x01, 0x01, 0x43, 0xc0, 0x01, /* ........ */
#else
0x00, 0x00, 0xc0, 0x01, 0x01, 0xf7, 0xc0, 0x01, /* ........ */
#endif
0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, /* ........ */
0x22, 0x33, 0x44, 0x57, 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_interface_0_only_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 DHCP 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++;
return;
}
/* Create the server packet pool. */
status = nx_packet_pool_create(&server_pool, "Server Packet Pool", 700,
pointer , 700*10);
pointer = pointer + 700*10;
if (status)
error_counter++;
/* Create an IP instance. */
status = nx_ip_create(&server_ip,
"Server IP",
IP_ADDRESS(192,1,1,1),
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;
/* 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++;
return;
}
/* Create a packet pool for the client. */
status = nx_packet_pool_create(&client_pool, "Client Packet Pool", PACKET_PAYLOAD, pointer, 25*PACKET_PAYLOAD);
/* Check status. */
if (status != NX_SUCCESS)
{
error_counter++;
return;
}
pointer = pointer + 25*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++;
return;
}
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++;
return;
}
/* 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. */
void client_thread_entry(ULONG thread_input)
{
UINT status;
#ifdef REQUEST_CLIENT_IP
ULONG requested_ip;
#endif
tx_thread_sleep(20);
/* Create the DHCP instance. */
status = nx_dhcp_create(&dhcp_client, &client_ip, "dhcp0");
if (status)
error_counter++;
status = nx_dhcp_clear_broadcast_flag(&dhcp_client, NX_TRUE);
/* Set the client IP if the host is configured to do so. */
if (status)
error_counter++;
#ifdef REQUEST_CLIENT_IP
requested_ip = (ULONG)CLIENT_IP_ADDRESS;
/* Request a specific IP address using the DHCP client address option. */
status = nx_dhcp_request_client_ip(&dhcp_client, requested_ip, skip_discover_message);
if (status)
error_counter++;
#endif
/* Register state change variable. */
//status = nx_dhcp_state_change_notify(&dhcp_client, dhcp_interface_state_change1);
//if (status)
// error_counter++;
/* Start the DHCP Client. */
status = nx_dhcp_start(&dhcp_client);
if (status)
error_counter++;
while(dhcp_client.nx_dhcp_interface_record[0].nx_dhcp_state != NX_DHCP_STATE_BOUND)
{
tx_thread_sleep(100);
}
status = nx_dhcp_stop(&dhcp_client);
if (status)
error_counter++;
tx_thread_sleep(20);
status = nx_ip_address_set(&client_ip, IP_ADDRESS(192,1,1,99), 0xFFFFFF00);
if (status)
error_counter++;
}
/* Define the helper DHCP server thread. */
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 Interface 0 Only Test.........................\n");
/* 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)
{
#ifdef REQUEST_CLIENT_IP
if (skip_discover_message == NX_TRUE)
{
i = 1;
}
#endif
if (i <= 1)
{
status = nx_udp_socket_receive(&server_socket, &my_packet, 10 * NX_IP_PERIODIC_RATE);
/* Check status. */
if (status)
{
printf("ERRO7R!\n");
error_counter++;
}
else
{
printf("\nRECVd %dth packet\n", i);
/* Release the packet. */
nx_packet_release(my_packet);
printf("Server sending response back. \n");
status = nx_dhcp_response_packet_send(&server_socket, 68, i);
}
}
else
{
#ifdef NX_DHCP_CLIENT_SEND_ARP_PROBE
/* Wait for the dhcp client to start the ARP probe process. */
while (dhcp_client.nx_dhcp_interface[1].nx_dhcp_probe_count == 0)
tx_thread_sleep(10);
#endif
printf("No one should send a Probe reply\n");
}
/* Check status. */
if (status)
{
printf("ERROR8!\n");
error_counter++;
}
/* Advance the index for the next response. */
i++;
}
/* Check status. */
if (status)
{
printf("ERRO7R!\n");
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)
{
printf("ERRO7R!\n");
error_counter++;
}
printf("All done, waiting for client to go away\n");
/* Wait for the client to terminate the connection. */
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;
NXD_ADDRESS ip_address;
ip_address.nxd_ip_version = NX_IP_VERSION_V4;
ip_address.nxd_ip_address.v4 = 0xFFFFFFFF;
printf("Sending %dth response\n", packet_number);
/* 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);
/* 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 = nxd_udp_socket_source_send(server_socket_ptr, response_packet, &ip_address, 68, 0);
/* Check the status. */
if (status)
nx_packet_release(response_packet);
return status;
}
UINT state_changes = 0;
void dhcp_interface_state_change1(NX_DHCP *dhcp_ptr, UCHAR new_state)
{
state_changes++;
return;
}
|
