2 This file is part of GNUnet.
3 (C) 2010 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
21 * @file transport/test_transport_wlan_dummy.c
22 * @brief helper for the testcases for plugin_transport_wlan.c
23 * @author David Brodski
26 #include <sys/socket.h>
27 #include <sys/ioctl.h>
28 #include <sys/types.h>
43 #include "gnunet_constants.h"
44 #include "gnunet_os_lib.h"
45 #include "gnunet_transport_plugin.h"
46 #include "transport.h"
47 #include "gnunet_util_lib.h"
48 #include "plugin_transport_wlan.h"
49 #include "gnunet_common.h"
50 //#include "gnunet-transport-wlan-helper.h"
51 #include "gnunet_crypto_lib.h"
52 #include "wlan/loopback_helper.h"
53 #include "wlan/helper_common.h"
66 stdin_send (void *cls, void *client, const struct GNUNET_MessageHeader *hdr)
68 struct sendbuf *write_pout = cls;
70 struct GNUNET_MessageHeader newheader;
76 ntohs (hdr->size) - sizeof (struct Radiotap_Send) +
77 sizeof (struct Radiotap_rx);
79 if (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA != ntohs (hdr->type))
81 fprintf (stderr, "Function stdin_send: wrong packet type\n");
84 if ((sendsize + write_pout->size) > MAXLINE * 2)
86 fprintf (stderr, "Function stdin_send: Packet too big for buffer\n");
90 newheader.size = htons (sendsize);
91 newheader.type = htons (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA);
93 to_start = write_pout->buf + write_pout->size;
94 memcpy (to_start, &newheader, sizeof (struct GNUNET_MessageHeader));
95 write_pout->size += sizeof (struct GNUNET_MessageHeader);
97 to_radiotap = to_start + sizeof (struct GNUNET_MessageHeader);
98 memset (to_radiotap, 0, sizeof (struct Radiotap_rx));
99 write_pout->size += sizeof (struct Radiotap_rx);
101 to_data = to_radiotap + sizeof (struct Radiotap_rx);
103 ((char *) hdr) + sizeof (struct Radiotap_Send) +
104 sizeof (struct GNUNET_MessageHeader),
105 ntohs (hdr->size) - sizeof (struct Radiotap_Send) -
106 sizeof (struct GNUNET_MessageHeader));
108 ntohs (hdr->size) - sizeof (struct Radiotap_Send) -
109 sizeof (struct GNUNET_MessageHeader);
113 file_in_send (void *cls, void *client, const struct GNUNET_MessageHeader *hdr)
115 struct sendbuf *write_std = cls;
118 sendsize = ntohs (hdr->size);
120 if (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA != ntohs (hdr->type))
122 fprintf (stderr, "Function file_in_send: wrong packet type\n");
125 if ((sendsize + write_std->size) > MAXLINE * 2)
127 fprintf (stderr, "Function file_in_send: Packet too big for buffer\n");
131 memcpy (write_std->buf + write_std->size, hdr, sendsize);
132 write_std->size += sendsize;
139 testmode (int argc, char *argv[])
150 //make the fifos if needed
151 if (0 != stat (FIFO_FILE1, &st))
153 if (0 == stat (FIFO_FILE2, &st))
155 fprintf (stderr, "FIFO_FILE2 exists, but FIFO_FILE1 not\n");
160 //unlink(FIFO_FILE1);
161 //unlink(FIFO_FILE2);
162 // FIXME: use mkfifo!
163 erg = mkfifo (FIFO_FILE1, 0666);
166 fprintf (stderr, "Error at mkfifo1: %s\n", strerror(errno));
169 erg = mkfifo (FIFO_FILE2, 0666);
172 fprintf (stderr, "Error at mkfifo2: %s\n", strerror(errno));
180 if (0 != stat (FIFO_FILE2, &st))
182 fprintf (stderr, "FIFO_FILE1 exists, but FIFO_FILE2 not\n");
188 if (strstr (argv[1], "1"))
190 //fprintf(stderr, "First\n");
192 fpin = fopen (FIFO_FILE1, "r");
195 fprintf (stderr, "fopen of read FIFO_FILE1\n");
198 fpout = fopen (FIFO_FILE2, "w");
201 fprintf (stderr, "fopen of write FIFO_FILE2\n");
209 //fprintf(stderr, "Second\n");
210 fpout = fopen (FIFO_FILE1, "w");
213 fprintf (stderr, "fopen of write FIFO_FILE1\n");
216 fpin = fopen (FIFO_FILE2, "r");
219 fprintf (stderr, "fopen of read FIFO_FILE2\n");
225 fdpin = fileno (fpin);
226 GNUNET_assert (fpin >= 0);
228 if (fdpin >= FD_SETSIZE)
230 fprintf (stderr, "File fdpin number too large (%d > %u)\n", fdpin,
231 (unsigned int) FD_SETSIZE);
235 fdpout = fileno (fpout);
236 GNUNET_assert (fdpout >= 0);
238 if (fdpout >= FD_SETSIZE)
240 fprintf (stderr, "File fdpout number too large (%d > %u)\n", fdpout,
241 (unsigned int) FD_SETSIZE);
246 signal (SIGINT, &sigfunc);
247 signal (SIGTERM, &sigfunc);
249 char readbuf[MAXLINE];
251 struct sendbuf write_std;
256 struct sendbuf write_pout;
269 struct GNUNET_SERVER_MessageStreamTokenizer *stdin_mst;
270 struct GNUNET_SERVER_MessageStreamTokenizer *file_in_mst;
272 stdin_mst = GNUNET_SERVER_mst_create (&stdin_send, &write_pout);
273 file_in_mst = GNUNET_SERVER_mst_create (&file_in_send, &write_std);
277 struct MacAddress macaddr;
279 //Send random mac address
280 macaddr.mac[0] = 0x13;
281 macaddr.mac[1] = 0x22;
282 macaddr.mac[2] = 0x33;
283 macaddr.mac[3] = 0x44;
284 macaddr.mac[4] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_STRONG, 256);
285 macaddr.mac[5] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_NONCE, 256);
287 write_std.size = send_mac_to_plugin (write_std.buf, macaddr.mac);
289 while (0 == closeprog)
299 // if output queue is empty
300 if (0 == write_pout.size)
302 FD_SET (STDIN_FILENO, &rfds);
305 if (0 == write_std.size)
307 FD_SET (fdpin, &rfds);
311 // if there is something to write
312 if (0 < write_std.size)
314 FD_SET (STDOUT_FILENO, &wfds);
315 maxfd = MAX (maxfd, STDOUT_FILENO);
318 if (0 < write_pout.size)
320 FD_SET (fdpout, &wfds);
321 maxfd = MAX (maxfd, fdpout);
324 retval = select (maxfd + 1, &rfds, &wfds, NULL, &tv);
326 if (-1 == retval && EINTR == errno)
332 fprintf (stderr, "select failed: %s\n", strerror (errno));
337 if (FD_ISSET (STDOUT_FILENO, &wfds))
340 write (STDOUT_FILENO, write_std.buf + write_std.pos,
341 write_std.size - write_std.pos);
345 fprintf (stderr, "Write ERROR to STDOUT\n");
350 write_std.pos += ret;
352 if (write_std.pos == write_std.size)
360 if (FD_ISSET (fdpout, &wfds))
363 write (fdpout, write_pout.buf + write_pout.pos,
364 write_pout.size - write_pout.pos);
369 fprintf (stderr, "Write ERROR to fdpout\n");
373 write_pout.pos += ret;
375 if (write_pout.pos == write_pout.size)
383 if (FD_ISSET (STDIN_FILENO, &rfds))
385 readsize = read (STDIN_FILENO, readbuf, sizeof (readbuf));
390 fprintf (stderr, "Read ERROR to STDIN_FILENO\n");
392 else if (0 < readsize)
394 GNUNET_SERVER_mst_receive (stdin_mst, NULL, readbuf, readsize,
395 GNUNET_NO, GNUNET_NO);
405 if (FD_ISSET (fdpin, &rfds))
407 readsize = read (fdpin, readbuf, sizeof (readbuf));
412 fprintf (stderr, "Read ERROR to fdpin: %s\n", strerror (errno));
415 else if (0 < readsize)
417 GNUNET_SERVER_mst_receive (file_in_mst, NULL, readbuf, readsize,
418 GNUNET_NO, GNUNET_NO);
432 GNUNET_SERVER_mst_destroy (stdin_mst);
433 GNUNET_SERVER_mst_destroy (file_in_mst);
435 end:if (fpout != NULL)
450 main (int argc, char *argv[])
455 "This program must be started with the operating mode as argument.\n");
457 "Usage: options\n" "options:\n" "1 = first loopback file\n"
458 "2 = second loopback file\n" "\n");
461 if (strstr (argv[1], "1") || strstr (argv[1], "2"))
462 return testmode (argc, argv);