File: spectool_raw.c

package info (click to toggle)
spectools 201601r1-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid, stretch
  • size: 1,272 kB
  • ctags: 1,837
  • sloc: ansic: 18,708; sh: 2,476; makefile: 85
file content (427 lines) | stat: -rw-r--r-- 11,204 bytes parent folder | download
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
/* Spectrum tools raw interface
 *
 * Basic dumper to dump the raw values from the USB device to stdout.  Meant
 * to be fed to another app via popen (such as the python grapher).  Caller
 * is responsible for converting the RSSI values.
 *
 * Mike Kershaw/Dragorn <dragorn@kismetwireless.net>
 *
 * This code is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * Extra thanks to Ryan Woodings @ Metageek for interface documentation
 */

#include <stdio.h>
#include <usb.h>
#include <stdlib.h>
#include <signal.h>
#include <getopt.h>
#include <string.h>
#include <sys/select.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <errno.h>

#include "config.h"

#include "spectool_container.h"
#include "spectool_net_client.h"

spectool_phy *devs = NULL;
int ndev = 0;

void sighandle(int sig) {
	int x;

	printf("Dying %d from signal %d\n", getpid(), sig);

	exit(1);
}

void Usage(void) {
	printf("spectool_raw [ options ]\n"
		   " -n / --net  tcp://host:port  Connect to network server instead of\n"
		   " -b / --broadcast             Listen for (and connect to) broadcast servers\n"
		   " -l / --list				  List devices and ranges only\n"
		   " -r / --range [device:]range  Configure a device for a specific range\n"
		   "                              local USB devices\n");
	return;
}

int main(int argc, char *argv[]) {
	spectool_device_list list;
	int x = 0, r = 0;
	spectool_sample_sweep *sb;
	spectool_server sr;
	char errstr[SPECTOOL_ERROR_MAX];
	int ret;
	spectool_phy *pi;

	static struct option long_options[] = {
		{ "net", required_argument, 0, 'n' },
		{ "broadcast", no_argument, 0, 'b' },
		{ "list", no_argument, 0, 'l' },
		{ "range", required_argument, 0, 'r' },
		{ "help", no_argument, 0, 'h' },
		{ 0, 0, 0, 0 }
	};
	int option_index;

	char *neturl = NULL;

	char bcasturl[SPECTOOL_NETCLI_URL_MAX];
	int bcastlisten = 0;
	int bcastsock;

	int list_only = 0;

	ndev = spectool_device_scan(&list);

	int *rangeset = NULL;
	if (ndev > 0) {
		rangeset = (int *) malloc(sizeof(int) * ndev);
		memset(rangeset, 0, sizeof(int) * ndev);
	}

	while (1) {
		int o = getopt_long(argc, argv, "n:bhr:l",
							long_options, &option_index);

		if (o < 0)
			break;

		if (o == 'h') {
			Usage();
			return 0;
		} else if (o == 'b') {
			bcastlisten = 1;
		} else if (o == 'n') {
			neturl = strdup(optarg);
			printf("debug - spectool_raw neturl %s\n", neturl);
			continue;
		} else if (o == 'l') {
			list_only = 1;
		} else if (o == 'r' && ndev > 0) {
			if (sscanf(optarg, "%d:%d", &x, &r) != 2) {
				if (sscanf(optarg, "%d", &r) != 1) {
					fprintf(stderr, "Invalid range, expected device#:range# "
							"or range#\n");
					exit(-1);
				} else {
					rangeset[0] = r;
				}
			} else {
				if (x < 0 || x >= ndev) {
					fprintf(stderr, "Invalid range, no device %d\n", x);
					exit(-1);
				} else {
					rangeset[x] = r;
				}
			}
		}
	}

	signal(SIGINT, sighandle);

	if (list_only) {
		if (ndev <= 0) {
			printf("No spectool devices found, bailing\n");
			exit(1);
		}

		printf("Found %d devices...\n", ndev);

		for (x = 0; x < ndev; x++) {
			printf("Device %d: %s id %u\n", 
				   x, list.list[x].name, list.list[x].device_id);

			for (r = 0; r < list.list[x].num_sweep_ranges; r++) {
				spectool_sample_sweep *ran = 
					&(list.list[x].supported_ranges[r]);

				printf("  Range %d: \"%s\" %d%s-%d%s @ %0.2f%s, %d samples\n", r, 
					   ran->name,
					   ran->start_khz > 1000 ? 
					   ran->start_khz / 1000 : ran->start_khz,
					   ran->start_khz > 1000 ? "MHz" : "KHz",
					   ran->end_khz > 1000 ? ran->end_khz / 1000 : ran->end_khz,
					   ran->end_khz > 1000 ? "MHz" : "KHz",
					   (ran->res_hz / 1000) > 1000 ? 
					   		((float) ran->res_hz / 1000) / 1000 : ran->res_hz / 1000,
					   (ran->res_hz / 1000) > 1000 ? "MHz" : "KHz",
					   ran->num_samples);
			}

		}

		exit(0);
	}

	if (bcastlisten) {
		printf("Initializing broadcast listen...\n");

		if ((bcastsock = spectool_netcli_initbroadcast(SPECTOOL_NET_DEFAULT_PORT,
													   errstr)) < 0) {
			printf("Error initializing bcast socket: %s\n", errstr);
			exit(1);
		}

		printf("Waiting for a broadcast server ID...\n");
	} else if (neturl != NULL) {
		printf("Initializing network connection...\n");

		if (spectool_netcli_init(&sr, neturl, errstr) < 0) {
			printf("Error initializing network connection: %s\n", errstr);
			exit(1);
		}

		if (spectool_netcli_connect(&sr, errstr) < 0) {
			printf("Error opening network connection: %s\n", errstr);
			exit(1);
		}

		printf("Connected to server, waiting for device list...\n");
	} else if (neturl == NULL) {
		if (ndev <= 0) {
			printf("No spectool devices found, bailing\n");
			exit(1);
		}

		printf("Found %d spectool devices...\n", ndev);

		for (x = 0; x < ndev; x++) {
			printf("Initializing WiSPY device %s id %u\n", 
				   list.list[x].name, list.list[x].device_id);

			pi = (spectool_phy *) malloc(SPECTOOL_PHY_SIZE);
			pi->next = devs;
			devs = pi;

#ifdef _DEBUG
			fprintf(stderr, "debug - spectool_device_init\n");
#endif
			if (spectool_device_init(pi, &(list.list[x])) < 0) {
				printf("Error initializing WiSPY device %s id %u\n",
					   list.list[x].name, list.list[x].device_id);
				printf("%s\n", spectool_get_error(pi));
				exit(1);
			}

#ifdef _DEBUG
			fprintf(stderr, "debug - spectool_phy_open\n");
#endif
			if (spectool_phy_open(pi) < 0) {
				printf("Error opening WiSPY device %s id %u\n",
					   list.list[x].name, list.list[x].device_id);
				printf("%s\n", spectool_get_error(pi));
				exit(1);
			}

#ifdef _DEBUG
			fprintf(stderr, "debug - spectool_phy_setcalibration\n");
#endif
			spectool_phy_setcalibration(pi, 1);

			/* configure the default sweep block */
#ifdef _DEBUG
			fprintf(stderr, "debug - spectool_phy_setposition\n");
#endif
			spectool_phy_setposition(pi, rangeset[x], 0, 0);
		}

		spectool_device_scan_free(&list); 
	}

#ifdef _DEBUG
			fprintf(stderr, "debug - entering polling\n");
#endif
	/* Naive poll that doesn't use select() to find pending data */
	while (1) {
		fd_set rfds;
		fd_set wfds;
		int maxfd = 0;
		struct timeval tm;

		FD_ZERO(&rfds);
		FD_ZERO(&wfds);

		pi = devs;
		while (pi != NULL) {
			if (spectool_phy_getpollfd(pi) >= 0) {
				FD_SET(spectool_phy_getpollfd(pi), &rfds);

				if (spectool_phy_getpollfd(pi) > maxfd)
					maxfd = spectool_phy_getpollfd(pi);
			}

			pi = pi->next;
		}

		if (neturl != NULL) {
			if (spectool_netcli_getpollfd(&sr) >= 0) {
				FD_SET(spectool_netcli_getpollfd(&sr), &rfds);

				if (spectool_netcli_getpollfd(&sr) > maxfd)
					maxfd = spectool_netcli_getpollfd(&sr);
			}
			if (spectool_netcli_getwritepend(&sr) > 0) {
				FD_SET(spectool_netcli_getwritefd(&sr), &wfds);

				if (spectool_netcli_getwritefd(&sr) > maxfd)
					maxfd = spectool_netcli_getwritefd(&sr);
			}
		}

		if (bcastlisten) {
			FD_SET(bcastsock, &rfds);
			if (bcastsock > maxfd)
				maxfd = bcastsock;
		}

		tm.tv_sec = 0;
		tm.tv_usec = 10000;

		if (select(maxfd + 1, &rfds, &wfds, NULL, &tm) < 0) {
			printf("spectool_raw select() error: %s\n", strerror(errno));
			exit(1);
		}

		if (bcastlisten && FD_ISSET(bcastsock, &rfds)) {
			if (spectool_netcli_pollbroadcast(bcastsock, bcasturl, errstr) == 1) {
				printf("Saw broadcast for server %s\n", bcasturl);

				if (neturl == NULL) {
					neturl = strdup(bcasturl);

					if (spectool_netcli_init(&sr, neturl, errstr) < 0) {
						printf("Error initializing network connection: %s\n", errstr);
						exit(1);
					}

					if (spectool_netcli_connect(&sr, errstr) < 0) {
						printf("Error opening network connection: %s\n", errstr);
						exit(1);
					}
				}
			}
		}

		if (neturl != NULL && spectool_netcli_getwritefd(&sr) >= 0 &&
			FD_ISSET(spectool_netcli_getwritefd(&sr), &wfds)) {
			if (spectool_netcli_writepoll(&sr, errstr) < 0) {
				printf("Error write-polling network server %s\n", errstr);
				exit(1);
			}
		}

		ret = SPECTOOL_NETCLI_POLL_ADDITIONAL;
		while (neturl != NULL && spectool_netcli_getpollfd(&sr) >= 0 &&
			   FD_ISSET(spectool_netcli_getpollfd(&sr), &rfds) &&
			   (ret & SPECTOOL_NETCLI_POLL_ADDITIONAL)) {

			if ((ret = spectool_netcli_poll(&sr, errstr)) < 0) {
				printf("Error polling network server %s\n", errstr);
				exit(1);
			}

			if ((ret & SPECTOOL_NETCLI_POLL_NEWDEVS)) {
				spectool_net_dev *ndi = sr.devlist;
				while (ndi != NULL) {
					printf("Enabling network device: %s (%u)\n", ndi->device_name,
						   ndi->device_id);
					pi = spectool_netcli_enabledev(&sr, ndi->device_id, errstr);

					pi->next = devs;
					devs = pi;

					ndi = ndi->next;
				}

			}
		}

		pi = devs;
		while (pi != NULL) {
			spectool_phy *di = pi;
			pi = pi->next;

			if (spectool_phy_getpollfd(di) < 0) {
				if (spectool_get_state(di) == SPECTOOL_STATE_ERROR) {
					printf("Error polling spectool device %s\n",
						   spectool_phy_getname(di));
					printf("%s\n", spectool_get_error(di));
					exit(1);
				}

				continue;
			}

			if (FD_ISSET(spectool_phy_getpollfd(di), &rfds) == 0) {
				continue;
			}

			do {
				r = spectool_phy_poll(di);

				if ((r & SPECTOOL_POLL_CONFIGURED)) {
					printf("Configured device %u (%s)\n", 
						   spectool_phy_getdevid(di), 
						   spectool_phy_getname(di),
						   di->device_spec->num_sweep_ranges);

					spectool_sample_sweep *ran = 
						spectool_phy_getcurprofile(di);

					if (ran == NULL) {
						printf("Error - no current profile?\n");
						continue;
					}

					printf("    %d%s-%d%s @ %0.2f%s, %d samples\n", 
						   ran->start_khz > 1000 ? 
						   ran->start_khz / 1000 : ran->start_khz,
						   ran->start_khz > 1000 ? "MHz" : "KHz",
						   ran->end_khz > 1000 ? ran->end_khz / 1000 : ran->end_khz,
						   ran->end_khz > 1000 ? "MHz" : "KHz",
						   (ran->res_hz / 1000) > 1000 ? 
						   	((float) ran->res_hz / 1000) / 1000 : ran->res_hz / 1000,
						   (ran->res_hz / 1000) > 1000 ? "MHz" : "KHz",
						   ran->num_samples);

					continue;
				} else if ((r & SPECTOOL_POLL_ERROR)) {
					printf("Error polling spectool device %s\n",
						   spectool_phy_getname(di));
					printf("%s\n", spectool_get_error(di));
					exit(1);
				} else if ((r & SPECTOOL_POLL_SWEEPCOMPLETE)) {
					sb = spectool_phy_getsweep(di);
					if (sb == NULL)
						continue;
					printf("%s: ", spectool_phy_getname(di));
					for (r = 0; r < sb->num_samples; r++) {
						// printf("[%d %d %d %d] ", sb->sample_data[r], sb->amp_offset_mdbm, sb->amp_res_mdbm, sb->sample_data[r] * (sb->amp_res_mdbm / 1000) + (sb->amp_offset_mdbm / 1000));
						printf("%d ", 
							SPECTOOL_RSSI_CONVERT(sb->amp_offset_mdbm, sb->amp_res_mdbm,
											   sb->sample_data[r]));
					}
					printf("\n");
					fflush(stdout);
				}
			} while ((r & SPECTOOL_POLL_ADDITIONAL));

		}
	}

	return 0;
}