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Commit | Line | Data |
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7d658874 | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
7d658874 | 3 | * |
13d8e03c | 4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> |
7d658874 BV |
5 | * |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <string.h> | |
21 | #include <stdlib.h> | |
22 | #include <unistd.h> | |
23 | #include <zip.h> | |
5f9c4c8a BV |
24 | #include <sys/types.h> |
25 | #include <sys/stat.h> | |
26 | #include <errno.h> | |
7d658874 | 27 | #include <glib.h> |
3bbd9849 | 28 | #include <glib/gstdio.h> |
545f9786 | 29 | #include "config.h" /* Needed for PACKAGE_VERSION and others. */ |
45c59c8b BV |
30 | #include "libsigrok.h" |
31 | #include "libsigrok-internal.h" | |
7d658874 | 32 | |
2ad1deb8 | 33 | /** @cond PRIVATE */ |
3544f848 | 34 | #define LOG_PREFIX "session-file" |
2ad1deb8 | 35 | /** @endcond */ |
a885ce3e | 36 | |
393fb9cb UH |
37 | /** |
38 | * @file | |
39 | * | |
40 | * Loading and saving libsigrok session files. | |
41 | */ | |
42 | ||
7b870c38 | 43 | /** |
777e2035 | 44 | * @addtogroup grp_session |
7b870c38 UH |
45 | * |
46 | * @{ | |
47 | */ | |
48 | ||
c09f0b57 | 49 | extern SR_PRIV struct sr_dev_driver session_driver; |
7d658874 | 50 | |
72a08bcc | 51 | /** @private */ |
f438e0c9 | 52 | SR_PRIV int sr_sessionfile_check(const char *filename) |
7d658874 | 53 | { |
5f9c4c8a | 54 | struct stat st; |
7d658874 BV |
55 | struct zip *archive; |
56 | struct zip_file *zf; | |
57 | struct zip_stat zs; | |
f438e0c9 BV |
58 | int version, ret; |
59 | char s[11]; | |
7d658874 | 60 | |
f438e0c9 | 61 | if (!filename) |
9f45fb3a | 62 | return SR_ERR_ARG; |
9f45fb3a | 63 | |
5f9c4c8a BV |
64 | if (stat(filename, &st) == -1) { |
65 | sr_err("Couldn't stat %s: %s", filename, strerror(errno)); | |
66 | return SR_ERR; | |
67 | } | |
68 | ||
f438e0c9 BV |
69 | if (!(archive = zip_open(filename, 0, &ret))) |
70 | /* No logging: this can be used just to check if it's | |
71 | * a sigrok session file or not. */ | |
7d658874 | 72 | return SR_ERR; |
7d658874 BV |
73 | |
74 | /* check "version" */ | |
c1864d55 | 75 | version = 0; |
7d658874 | 76 | if (!(zf = zip_fopen(archive, "version", 0))) { |
f438e0c9 | 77 | sr_dbg("Not a sigrok session file: no version found."); |
7d658874 BV |
78 | return SR_ERR; |
79 | } | |
f438e0c9 | 80 | if ((ret = zip_fread(zf, s, 10)) == -1) |
7d658874 | 81 | return SR_ERR; |
7d658874 | 82 | zip_fclose(zf); |
c1864d55 BV |
83 | s[ret] = 0; |
84 | version = strtoull(s, NULL, 10); | |
3a841040 | 85 | if (version > 2) { |
f438e0c9 | 86 | sr_dbg("Cannot handle sigrok session file version %d.", version); |
c1864d55 BV |
87 | return SR_ERR; |
88 | } | |
3a841040 | 89 | sr_spew("Detected sigrok session file version %d.", version); |
7d658874 BV |
90 | |
91 | /* read "metadata" */ | |
92 | if (zip_stat(archive, "metadata", 0, &zs) == -1) { | |
a885ce3e | 93 | sr_dbg("Not a valid sigrok session file."); |
7d658874 BV |
94 | return SR_ERR; |
95 | } | |
b53738ba | 96 | |
f438e0c9 BV |
97 | return SR_OK; |
98 | } | |
99 | ||
100 | /** | |
101 | * Load the session from the specified filename. | |
102 | * | |
103 | * @param filename The name of the session file to load. Must not be NULL. | |
7efe889e | 104 | * @param session The session to load the file into. Must not be NULL. |
f438e0c9 BV |
105 | * |
106 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, | |
107 | * SR_ERR_MALLOC upon memory allocation errors, or SR_ERR upon | |
108 | * other errors. | |
109 | */ | |
0812c40e | 110 | SR_API int sr_session_load(const char *filename, struct sr_session **session) |
f438e0c9 BV |
111 | { |
112 | GKeyFile *kf; | |
113 | GPtrArray *capturefiles; | |
114 | struct zip *archive; | |
115 | struct zip_file *zf; | |
116 | struct zip_stat zs; | |
117 | struct sr_dev_inst *sdi; | |
ba7dd8bb | 118 | struct sr_channel *ch; |
9f00e5ae | 119 | int devcnt, ret, i, j; |
ba7dd8bb | 120 | uint64_t tmp_u64, total_channels, enabled_channels, p; |
f438e0c9 | 121 | char **sections, **keys, *metafile, *val; |
3f239f08 | 122 | char channelname[SR_MAX_CHANNELNAME_LEN + 1]; |
f438e0c9 BV |
123 | |
124 | if ((ret = sr_sessionfile_check(filename)) != SR_OK) | |
125 | return ret; | |
126 | ||
127 | if (!(archive = zip_open(filename, 0, &ret))) | |
128 | return SR_ERR; | |
129 | ||
130 | if (zip_stat(archive, "metadata", 0, &zs) == -1) | |
131 | return SR_ERR; | |
132 | ||
b53738ba | 133 | if (!(metafile = g_try_malloc(zs.size))) { |
a885ce3e | 134 | sr_err("%s: metafile malloc failed", __func__); |
b53738ba UH |
135 | return SR_ERR_MALLOC; |
136 | } | |
137 | ||
7d658874 BV |
138 | zf = zip_fopen_index(archive, zs.index, 0); |
139 | zip_fread(zf, metafile, zs.size); | |
140 | zip_fclose(zf); | |
141 | ||
142 | kf = g_key_file_new(); | |
143 | if (!g_key_file_load_from_data(kf, metafile, zs.size, 0, NULL)) { | |
a885ce3e | 144 | sr_dbg("Failed to parse metadata."); |
7d658874 BV |
145 | return SR_ERR; |
146 | } | |
147 | ||
0812c40e ML |
148 | if ((ret = sr_session_new(session)) != SR_OK) |
149 | return ret; | |
7d658874 BV |
150 | |
151 | devcnt = 0; | |
152 | capturefiles = g_ptr_array_new_with_free_func(g_free); | |
153 | sections = g_key_file_get_groups(kf, NULL); | |
154 | for (i = 0; sections[i]; i++) { | |
155 | if (!strcmp(sections[i], "global")) | |
156 | /* nothing really interesting in here yet */ | |
157 | continue; | |
158 | if (!strncmp(sections[i], "device ", 7)) { | |
159 | /* device section */ | |
4d684427 | 160 | sdi = NULL; |
ba7dd8bb | 161 | enabled_channels = total_channels = 0; |
7d658874 BV |
162 | keys = g_key_file_get_keys(kf, sections[i], NULL, NULL); |
163 | for (j = 0; keys[j]; j++) { | |
164 | val = g_key_file_get_string(kf, sections[i], keys[j], NULL); | |
165 | if (!strcmp(keys[j], "capturefile")) { | |
4d684427 BV |
166 | sdi = sr_dev_inst_new(devcnt, SR_ST_ACTIVE, NULL, NULL, NULL); |
167 | sdi->driver = &session_driver; | |
7d658874 | 168 | if (devcnt == 0) |
c09f0b57 | 169 | /* first device, init the driver */ |
44fc870c | 170 | sdi->driver->init(NULL); |
bd7bfe8c | 171 | sr_dev_open(sdi); |
0812c40e | 172 | sr_session_dev_add(*session, sdi); |
003595ac | 173 | sdi->driver->config_set(SR_CONF_SESSIONFILE, |
8f996b89 | 174 | g_variant_new_string(filename), sdi, NULL); |
003595ac | 175 | sdi->driver->config_set(SR_CONF_CAPTUREFILE, |
8f996b89 | 176 | g_variant_new_string(val), sdi, NULL); |
7d658874 BV |
177 | g_ptr_array_add(capturefiles, val); |
178 | } else if (!strcmp(keys[j], "samplerate")) { | |
f64c1414 | 179 | sr_parse_sizestring(val, &tmp_u64); |
003595ac | 180 | sdi->driver->config_set(SR_CONF_SAMPLERATE, |
8f996b89 | 181 | g_variant_new_uint64(tmp_u64), sdi, NULL); |
7d658874 BV |
182 | } else if (!strcmp(keys[j], "unitsize")) { |
183 | tmp_u64 = strtoull(val, NULL, 10); | |
003595ac | 184 | sdi->driver->config_set(SR_CONF_CAPTURE_UNITSIZE, |
8f996b89 | 185 | g_variant_new_uint64(tmp_u64), sdi, NULL); |
7d658874 | 186 | } else if (!strcmp(keys[j], "total probes")) { |
ba7dd8bb | 187 | total_channels = strtoull(val, NULL, 10); |
3f239f08 | 188 | sdi->driver->config_set(SR_CONF_NUM_LOGIC_CHANNELS, |
ba7dd8bb UH |
189 | g_variant_new_uint64(total_channels), sdi, NULL); |
190 | for (p = 0; p < total_channels; p++) { | |
3f239f08 UH |
191 | snprintf(channelname, SR_MAX_CHANNELNAME_LEN, "%" PRIu64, p); |
192 | if (!(ch = sr_channel_new(p, SR_CHANNEL_LOGIC, TRUE, | |
ba7dd8bb | 193 | channelname))) |
4d684427 | 194 | return SR_ERR; |
ba7dd8bb | 195 | sdi->channels = g_slist_append(sdi->channels, ch); |
464d12c7 | 196 | } |
7d658874 | 197 | } else if (!strncmp(keys[j], "probe", 5)) { |
4d684427 | 198 | if (!sdi) |
7d658874 | 199 | continue; |
ba7dd8bb | 200 | enabled_channels++; |
7d658874 | 201 | tmp_u64 = strtoul(keys[j]+5, NULL, 10); |
fb381e4d | 202 | /* sr_session_save() */ |
f3ca73ed | 203 | sr_dev_channel_name_set(sdi, tmp_u64 - 1, val); |
7d658874 BV |
204 | } |
205 | } | |
206 | g_strfreev(keys); | |
ba7dd8bb UH |
207 | /* Disable channels not specifically listed. */ |
208 | if (total_channels) | |
209 | for (p = enabled_channels; p < total_channels; p++) | |
f3ca73ed | 210 | sr_dev_channel_enable(sdi, p, FALSE); |
7d658874 | 211 | } |
4d684427 | 212 | devcnt++; |
7d658874 BV |
213 | } |
214 | g_strfreev(sections); | |
215 | g_key_file_free(kf); | |
216 | ||
217 | return SR_OK; | |
218 | } | |
219 | ||
9f45fb3a | 220 | /** |
0812c40e | 221 | * Save a session to the specified file. |
9f45fb3a | 222 | * |
7efe889e | 223 | * @param session The session to save to the specified file. Must not be NULL. |
0812c40e | 224 | * @param filename The name of the filename to save the session as. |
9f45fb3a | 225 | * Must not be NULL. |
056be071 | 226 | * @param sdi The device instance from which the data was captured. |
18bc2704 BV |
227 | * @param buf The data to be saved. |
228 | * @param unitsize The number of bytes per sample. | |
229 | * @param units The number of samples. | |
9f45fb3a | 230 | * |
a769b9f3 BV |
231 | * @retval SR_OK Success |
232 | * @retval SR_ERR_ARG Invalid arguments | |
233 | * @retval SR_ERR Other errors | |
47117241 UH |
234 | * |
235 | * @since 0.2.0 | |
9f45fb3a | 236 | */ |
0812c40e ML |
237 | SR_API int sr_session_save(struct sr_session *session, const char *filename, |
238 | const struct sr_dev_inst *sdi, unsigned char *buf, int unitsize, | |
239 | int units) | |
7d658874 | 240 | { |
ba7dd8bb | 241 | struct sr_channel *ch; |
18bc2704 | 242 | GSList *l; |
003595ac | 243 | GVariant *gvar; |
a769b9f3 BV |
244 | uint64_t samplerate; |
245 | int cnt, ret; | |
ba7dd8bb | 246 | char **channel_names; |
a769b9f3 BV |
247 | |
248 | samplerate = 0; | |
249 | if (sr_dev_has_option(sdi, SR_CONF_SAMPLERATE)) { | |
250 | if (sr_config_get(sdi->driver, sdi, NULL, | |
251 | SR_CONF_SAMPLERATE, &gvar) == SR_OK) { | |
252 | samplerate = g_variant_get_uint64(gvar); | |
253 | g_variant_unref(gvar); | |
254 | } | |
255 | } | |
256 | ||
ba7dd8bb | 257 | channel_names = g_malloc0(sizeof(char *) * (g_slist_length(sdi->channels) + 1)); |
a769b9f3 | 258 | cnt = 0; |
ba7dd8bb UH |
259 | for (l = sdi->channels; l; l = l->next) { |
260 | ch = l->data; | |
3f239f08 | 261 | if (ch->type != SR_CHANNEL_LOGIC) |
eca2f852 | 262 | continue; |
ba7dd8bb | 263 | if (ch->enabled != TRUE) |
eca2f852 | 264 | continue; |
ba7dd8bb | 265 | if (!ch->name) |
eca2f852 BV |
266 | continue; |
267 | /* Just borrowing the ptr. */ | |
ba7dd8bb | 268 | channel_names[cnt++] = ch->name; |
a769b9f3 BV |
269 | } |
270 | ||
0812c40e ML |
271 | if ((ret = sr_session_save_init(session, filename, samplerate, |
272 | channel_names)) != SR_OK) | |
a769b9f3 BV |
273 | return ret; |
274 | ||
0812c40e | 275 | ret = sr_session_append(session, filename, buf, unitsize, units); |
a769b9f3 BV |
276 | |
277 | return ret; | |
278 | } | |
279 | ||
280 | /** | |
281 | * Initialize a saved session file. | |
282 | * | |
7efe889e | 283 | * @param session The session to use. Must not be NULL. |
0812c40e | 284 | * @param filename The name of the filename to save the session as. |
a769b9f3 BV |
285 | * Must not be NULL. |
286 | * @param samplerate The samplerate to store for this session. | |
ba7dd8bb UH |
287 | * @param channels A NULL-terminated array of strings containing the names |
288 | * of all the channels active in this session. | |
a769b9f3 BV |
289 | * |
290 | * @retval SR_OK Success | |
291 | * @retval SR_ERR_ARG Invalid arguments | |
292 | * @retval SR_ERR Other errors | |
47117241 UH |
293 | * |
294 | * @since 0.3.0 | |
a769b9f3 | 295 | */ |
0812c40e ML |
296 | SR_API int sr_session_save_init(struct sr_session *session, |
297 | const char *filename, uint64_t samplerate, char **channels) | |
a769b9f3 | 298 | { |
7d658874 | 299 | FILE *meta; |
7d658874 | 300 | struct zip *zipfile; |
a769b9f3 BV |
301 | struct zip_source *versrc, *metasrc; |
302 | int tmpfile, cnt, ret, i; | |
303 | char version[1], metafile[32], *s; | |
7d658874 | 304 | |
f4d2042d | 305 | (void)session; |
0812c40e | 306 | |
9f45fb3a | 307 | if (!filename) { |
a885ce3e | 308 | sr_err("%s: filename was NULL", __func__); |
9f45fb3a UH |
309 | return SR_ERR_ARG; |
310 | } | |
311 | ||
7d658874 | 312 | /* Quietly delete it first, libzip wants replace ops otherwise. */ |
4a1b18f8 | 313 | unlink(filename); |
ebc34738 | 314 | if (!(zipfile = zip_open(filename, ZIP_CREATE, &ret))) |
7d658874 | 315 | return SR_ERR; |
7d658874 BV |
316 | |
317 | /* "version" */ | |
3a841040 | 318 | version[0] = '2'; |
7d658874 BV |
319 | if (!(versrc = zip_source_buffer(zipfile, version, 1, 0))) |
320 | return SR_ERR; | |
321 | if (zip_add(zipfile, "version", versrc) == -1) { | |
a885ce3e | 322 | sr_info("error saving version into zipfile: %s", |
b08024a8 | 323 | zip_strerror(zipfile)); |
7d658874 BV |
324 | return SR_ERR; |
325 | } | |
326 | ||
327 | /* init "metadata" */ | |
328 | strcpy(metafile, "sigrok-meta-XXXXXX"); | |
329 | if ((tmpfile = g_mkstemp(metafile)) == -1) | |
330 | return SR_ERR; | |
331 | close(tmpfile); | |
868d8cef | 332 | meta = g_fopen(metafile, "wb"); |
7d658874 BV |
333 | fprintf(meta, "[global]\n"); |
334 | fprintf(meta, "sigrok version = %s\n", PACKAGE_VERSION); | |
7d658874 | 335 | |
056be071 BV |
336 | /* metadata */ |
337 | fprintf(meta, "[device 1]\n"); | |
7d658874 | 338 | |
056be071 BV |
339 | /* metadata */ |
340 | fprintf(meta, "capturefile = logic-1\n"); | |
a769b9f3 | 341 | cnt = 0; |
ba7dd8bb | 342 | for (i = 0; channels[i]; i++) |
a769b9f3 BV |
343 | cnt++; |
344 | fprintf(meta, "total probes = %d\n", cnt); | |
345 | s = sr_samplerate_string(samplerate); | |
346 | fprintf(meta, "samplerate = %s\n", s); | |
347 | g_free(s); | |
348 | ||
ba7dd8bb UH |
349 | for (i = 0; channels[i]; i++) |
350 | fprintf(meta, "probe%d = %s\n", i + 1, channels[i]); | |
7d658874 | 351 | |
7d658874 BV |
352 | fclose(meta); |
353 | ||
d2cd06e7 BV |
354 | if (!(metasrc = zip_source_file(zipfile, metafile, 0, -1))) { |
355 | unlink(metafile); | |
7d658874 | 356 | return SR_ERR; |
d2cd06e7 BV |
357 | } |
358 | if (zip_add(zipfile, "metadata", metasrc) == -1) { | |
359 | unlink(metafile); | |
7d658874 | 360 | return SR_ERR; |
d2cd06e7 | 361 | } |
7d658874 BV |
362 | |
363 | if ((ret = zip_close(zipfile)) == -1) { | |
a885ce3e | 364 | sr_info("error saving zipfile: %s", zip_strerror(zipfile)); |
d2cd06e7 | 365 | unlink(metafile); |
7d658874 BV |
366 | return SR_ERR; |
367 | } | |
368 | ||
369 | unlink(metafile); | |
370 | ||
371 | return SR_OK; | |
372 | } | |
7b870c38 | 373 | |
f438e0c9 BV |
374 | /** |
375 | * Append data to an existing session file. | |
376 | * | |
a769b9f3 BV |
377 | * The session file must have been created with sr_session_save_init() |
378 | * or sr_session_save() beforehand. | |
379 | * | |
7efe889e | 380 | * @param session The session to use. Must not be NULL. |
f438e0c9 BV |
381 | * @param filename The name of the filename to append to. Must not be NULL. |
382 | * @param buf The data to be appended. | |
383 | * @param unitsize The number of bytes per sample. | |
384 | * @param units The number of samples. | |
385 | * | |
a769b9f3 BV |
386 | * @retval SR_OK Success |
387 | * @retval SR_ERR_ARG Invalid arguments | |
388 | * @retval SR_ERR Other errors | |
47117241 UH |
389 | * |
390 | * @since 0.3.0 | |
f438e0c9 | 391 | */ |
0812c40e ML |
392 | SR_API int sr_session_append(struct sr_session *session, const char *filename, |
393 | unsigned char *buf, int unitsize, int units) | |
f438e0c9 BV |
394 | { |
395 | struct zip *archive; | |
396 | struct zip_source *logicsrc; | |
397 | zip_int64_t num_files; | |
a769b9f3 BV |
398 | struct zip_file *zf; |
399 | struct zip_stat zs; | |
400 | struct zip_source *metasrc; | |
401 | GKeyFile *kf; | |
402 | GError *error; | |
403 | gsize len; | |
404 | int chunk_num, next_chunk_num, tmpfile, ret, i; | |
f438e0c9 | 405 | const char *entry_name; |
a769b9f3 | 406 | char *metafile, tmpname[32], chunkname[16]; |
f438e0c9 | 407 | |
f4d2042d | 408 | (void)session; |
0812c40e | 409 | |
f438e0c9 BV |
410 | if ((ret = sr_sessionfile_check(filename)) != SR_OK) |
411 | return ret; | |
412 | ||
413 | if (!(archive = zip_open(filename, 0, &ret))) | |
414 | return SR_ERR; | |
415 | ||
a769b9f3 BV |
416 | if (zip_stat(archive, "metadata", 0, &zs) == -1) |
417 | return SR_ERR; | |
418 | ||
419 | metafile = g_malloc(zs.size); | |
420 | zf = zip_fopen_index(archive, zs.index, 0); | |
421 | zip_fread(zf, metafile, zs.size); | |
422 | zip_fclose(zf); | |
423 | ||
424 | /* | |
425 | * If the file was only initialized but doesn't yet have any | |
426 | * data it in, it won't have a unitsize field in metadata yet. | |
427 | */ | |
428 | error = NULL; | |
429 | kf = g_key_file_new(); | |
430 | if (!g_key_file_load_from_data(kf, metafile, zs.size, 0, &error)) { | |
431 | sr_err("Failed to parse metadata: %s.", error->message); | |
432 | return SR_ERR; | |
433 | } | |
434 | g_free(metafile); | |
d2cd06e7 | 435 | tmpname[0] = '\0'; |
a769b9f3 BV |
436 | if (!g_key_file_has_key(kf, "device 1", "unitsize", &error)) { |
437 | if (error && error->code != G_KEY_FILE_ERROR_KEY_NOT_FOUND) { | |
438 | sr_err("Failed to check unitsize key: %s", error ? error->message : "?"); | |
439 | return SR_ERR; | |
440 | } | |
441 | /* Add unitsize field. */ | |
442 | g_key_file_set_integer(kf, "device 1", "unitsize", unitsize); | |
443 | metafile = g_key_file_to_data(kf, &len, &error); | |
444 | strcpy(tmpname, "sigrok-meta-XXXXXX"); | |
445 | if ((tmpfile = g_mkstemp(tmpname)) == -1) | |
446 | return SR_ERR; | |
447 | if (write(tmpfile, metafile, len) < 0) { | |
448 | sr_dbg("Failed to create new metadata: %s", strerror(errno)); | |
d2cd06e7 BV |
449 | g_free(metafile); |
450 | unlink(tmpname); | |
a769b9f3 BV |
451 | return SR_ERR; |
452 | } | |
453 | close(tmpfile); | |
454 | if (!(metasrc = zip_source_file(archive, tmpname, 0, -1))) { | |
a769b9f3 | 455 | sr_err("Failed to create zip source for metadata."); |
d2cd06e7 BV |
456 | g_free(metafile); |
457 | unlink(tmpname); | |
a769b9f3 BV |
458 | return SR_ERR; |
459 | } | |
460 | if (zip_replace(archive, zs.index, metasrc) == -1) { | |
461 | sr_err("Failed to replace metadata file."); | |
d2cd06e7 BV |
462 | g_free(metafile); |
463 | unlink(tmpname); | |
a769b9f3 BV |
464 | return SR_ERR; |
465 | } | |
466 | g_free(metafile); | |
467 | } | |
468 | g_key_file_free(kf); | |
469 | ||
f438e0c9 BV |
470 | next_chunk_num = 1; |
471 | num_files = zip_get_num_entries(archive, 0); | |
472 | for (i = 0; i < num_files; i++) { | |
473 | entry_name = zip_get_name(archive, i, 0); | |
474 | if (strncmp(entry_name, "logic-1", 7)) | |
475 | continue; | |
476 | if (strlen(entry_name) == 7) { | |
477 | /* This file has no extra chunks, just a single "logic-1". | |
478 | * Rename it to "logic-1-1" * and continue with chunk 2. */ | |
479 | if (zip_rename(archive, i, "logic-1-1") == -1) { | |
480 | sr_err("Failed to rename 'logic-1' to 'logic-1-1'."); | |
d2cd06e7 | 481 | unlink(tmpname); |
f438e0c9 BV |
482 | return SR_ERR; |
483 | } | |
484 | next_chunk_num = 2; | |
485 | break; | |
486 | } else if (strlen(entry_name) > 8 && entry_name[7] == '-') { | |
487 | chunk_num = strtoull(entry_name + 8, NULL, 10); | |
488 | if (chunk_num >= next_chunk_num) | |
489 | next_chunk_num = chunk_num + 1; | |
490 | } | |
491 | } | |
492 | snprintf(chunkname, 15, "logic-1-%d", next_chunk_num); | |
d2cd06e7 BV |
493 | if (!(logicsrc = zip_source_buffer(archive, buf, units * unitsize, FALSE))) { |
494 | unlink(tmpname); | |
f438e0c9 | 495 | return SR_ERR; |
d2cd06e7 BV |
496 | } |
497 | if (zip_add(archive, chunkname, logicsrc) == -1) { | |
498 | unlink(tmpname); | |
f438e0c9 | 499 | return SR_ERR; |
d2cd06e7 | 500 | } |
f438e0c9 BV |
501 | if ((ret = zip_close(archive)) == -1) { |
502 | sr_info("error saving session file: %s", zip_strerror(archive)); | |
d2cd06e7 | 503 | unlink(tmpname); |
f438e0c9 BV |
504 | return SR_ERR; |
505 | } | |
d2cd06e7 | 506 | unlink(tmpname); |
f438e0c9 BV |
507 | |
508 | return SR_OK; | |
509 | } | |
510 | ||
7b870c38 | 511 | /** @} */ |