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;
75 sendsize = ntohs (hdr->size) - sizeof (struct Radiotap_Send)
76 + sizeof (struct Radiotap_rx);
78 if (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA != ntohs (hdr->type))
80 fprintf (stderr, "Function stdin_send: wrong packet type\n");
83 if ((sendsize + write_pout->size) > MAXLINE * 2)
85 fprintf (stderr, "Function stdin_send: Packet too big for buffer\n");
89 newheader.size = htons (sendsize);
90 newheader.type = htons (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA);
92 to_start = write_pout->buf + write_pout->size;
93 memcpy (to_start, &newheader, sizeof (struct GNUNET_MessageHeader));
94 write_pout->size += sizeof (struct GNUNET_MessageHeader);
96 to_radiotap = to_start + sizeof (struct GNUNET_MessageHeader);
97 memset (to_radiotap, 0, sizeof (struct Radiotap_rx));
98 write_pout->size += sizeof (struct Radiotap_rx);
100 to_data = to_radiotap + sizeof (struct Radiotap_rx);
102 ((char *) hdr) + sizeof (struct Radiotap_Send) +
103 sizeof (struct GNUNET_MessageHeader),
104 ntohs (hdr->size) - sizeof (struct Radiotap_Send) -
105 sizeof (struct GNUNET_MessageHeader));
107 ntohs (hdr->size) - sizeof (struct Radiotap_Send) -
108 sizeof (struct GNUNET_MessageHeader);
112 file_in_send (void *cls, void *client, const struct GNUNET_MessageHeader *hdr)
114 struct sendbuf *write_std = cls;
117 sendsize = ntohs (hdr->size);
119 if (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA != ntohs (hdr->type))
121 fprintf (stderr, "Function file_in_send: wrong packet type\n");
124 if ((sendsize + write_std->size) > MAXLINE * 2)
126 fprintf (stderr, "Function file_in_send: Packet too big for buffer\n");
130 memcpy (write_std->buf + write_std->size, hdr, sendsize);
131 write_std->size += sendsize;
138 testmode (int argc, char *argv[])
149 //make the fifos if needed
150 if (0 != stat (FIFO_FILE1, &st))
152 if (0 == stat (FIFO_FILE2, &st))
154 fprintf (stderr, "FIFO_FILE2 exists, but FIFO_FILE1 not\n");
159 //unlink(FIFO_FILE1);
160 //unlink(FIFO_FILE2);
161 // FIXME: use mkfifo!
162 erg = mknod (FIFO_FILE1, S_IFIFO | 0666, 0);
165 fprintf (stderr, "Error at mknode1 \n");
168 erg = mknod (FIFO_FILE2, S_IFIFO | 0666, 0);
171 fprintf (stderr, "Error at mknode2 \n");
179 if (0 != stat (FIFO_FILE2, &st))
181 fprintf (stderr, "FIFO_FILE1 exists, but FIFO_FILE2 not\n");
187 if (strstr (argv[1], "1"))
189 //fprintf(stderr, "First\n");
191 fpin = fopen (FIFO_FILE1, "r");
194 fprintf (stderr, "fopen of read FIFO_FILE1\n");
197 fpout = fopen (FIFO_FILE2, "w");
200 fprintf (stderr, "fopen of write FIFO_FILE2\n");
208 //fprintf(stderr, "Second\n");
209 fpout = fopen (FIFO_FILE1, "w");
212 fprintf (stderr, "fopen of write FIFO_FILE1\n");
215 fpin = fopen (FIFO_FILE2, "r");
218 fprintf (stderr, "fopen of read FIFO_FILE2\n");
224 fdpin = fileno (fpin);
225 GNUNET_assert (fpin >= 0);
227 if (fdpin >= FD_SETSIZE)
229 fprintf (stderr, "File fdpin number too large (%d > %u)\n", fdpin,
230 (unsigned int) FD_SETSIZE);
234 fdpout = fileno (fpout);
235 GNUNET_assert (fdpout >= 0);
237 if (fdpout >= FD_SETSIZE)
239 fprintf (stderr, "File fdpout number too large (%d > %u)\n", fdpout,
240 (unsigned int) FD_SETSIZE);
245 signal (SIGINT, &sigfunc);
246 signal (SIGTERM, &sigfunc);
248 char readbuf[MAXLINE];
250 struct sendbuf write_std;
255 struct sendbuf write_pout;
268 struct GNUNET_SERVER_MessageStreamTokenizer *stdin_mst;
269 struct GNUNET_SERVER_MessageStreamTokenizer *file_in_mst;
271 stdin_mst = GNUNET_SERVER_mst_create (&stdin_send, &write_pout);
272 file_in_mst = GNUNET_SERVER_mst_create (&file_in_send, &write_std);
276 struct MacAddress macaddr;
278 //Send random mac address
279 macaddr.mac[0] = 0x13;
280 macaddr.mac[1] = 0x22;
281 macaddr.mac[2] = 0x33;
282 macaddr.mac[3] = 0x44;
283 macaddr.mac[4] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_STRONG, 256);
284 macaddr.mac[5] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_NONCE, 256);
286 write_std.size = send_mac_to_plugin (write_std.buf, macaddr.mac);
288 while (0 == closeprog)
298 // if output queue is empty
299 if (0 == write_pout.size)
301 FD_SET (STDIN_FILENO, &rfds);
304 if (0 == write_std.size)
306 FD_SET (fdpin, &rfds);
310 // if there is something to write
311 if (0 < write_std.size)
313 FD_SET (STDOUT_FILENO, &wfds);
314 maxfd = MAX (maxfd, STDOUT_FILENO);
317 if (0 < write_pout.size)
319 FD_SET (fdpout, &wfds);
320 maxfd = MAX (maxfd, fdpout);
323 retval = select (maxfd + 1, &rfds, &wfds, NULL, &tv);
325 if (-1 == retval && EINTR == errno)
331 fprintf (stderr, "select failed: %s\n", strerror (errno));
336 if (FD_ISSET (STDOUT_FILENO, &wfds))
338 ret = write (STDOUT_FILENO,
339 write_std.buf + write_std.pos,
340 write_std.size - write_std.pos);
344 fprintf (stderr, "Write ERROR to STDOUT\n");
349 write_std.pos += ret;
351 if (write_std.pos == write_std.size)
359 if (FD_ISSET (fdpout, &wfds))
362 write_pout.buf + write_pout.pos,
363 write_pout.size - write_pout.pos);
368 fprintf (stderr, "Write ERROR to fdpout\n");
372 write_pout.pos += ret;
374 if (write_pout.pos == write_pout.size)
382 if (FD_ISSET (STDIN_FILENO, &rfds))
384 readsize = read (STDIN_FILENO, readbuf, sizeof (readbuf));
389 fprintf (stderr, "Read ERROR to STDIN_FILENO\n");
391 else if (0 < readsize)
393 GNUNET_SERVER_mst_receive (stdin_mst, NULL, readbuf, readsize,
394 GNUNET_NO, GNUNET_NO);
404 if (FD_ISSET (fdpin, &rfds))
406 readsize = read (fdpin, readbuf, sizeof (readbuf));
411 fprintf (stderr, "Read ERROR to fdpin: %s\n", strerror (errno));
414 else if (0 < readsize)
416 GNUNET_SERVER_mst_receive (file_in_mst, NULL, readbuf, readsize,
417 GNUNET_NO, GNUNET_NO);
431 GNUNET_SERVER_mst_destroy (stdin_mst);
432 GNUNET_SERVER_mst_destroy (file_in_mst);
434 end:if (fpout != NULL)
449 main (int argc, char *argv[])
454 "This program must be started with the operating mode as argument.\n");
458 "1 = first loopback file\n" "2 = second loopback file\n" "\n");
461 if (strstr (argv[1], "1") || strstr (argv[1], "2"))
462 return testmode (argc, argv);