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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; |
c6805a02 SA |
50 | static int session_driver_initialized = 0; |
51 | ||
7d658874 | 52 | |
72a08bcc | 53 | /** @private */ |
f438e0c9 | 54 | SR_PRIV int sr_sessionfile_check(const char *filename) |
7d658874 | 55 | { |
5f9c4c8a | 56 | struct stat st; |
7d658874 BV |
57 | struct zip *archive; |
58 | struct zip_file *zf; | |
59 | struct zip_stat zs; | |
f438e0c9 BV |
60 | int version, ret; |
61 | char s[11]; | |
7d658874 | 62 | |
f438e0c9 | 63 | if (!filename) |
9f45fb3a | 64 | return SR_ERR_ARG; |
9f45fb3a | 65 | |
5f9c4c8a BV |
66 | if (stat(filename, &st) == -1) { |
67 | sr_err("Couldn't stat %s: %s", filename, strerror(errno)); | |
68 | return SR_ERR; | |
69 | } | |
70 | ||
f438e0c9 BV |
71 | if (!(archive = zip_open(filename, 0, &ret))) |
72 | /* No logging: this can be used just to check if it's | |
73 | * a sigrok session file or not. */ | |
7d658874 | 74 | return SR_ERR; |
7d658874 BV |
75 | |
76 | /* check "version" */ | |
77 | if (!(zf = zip_fopen(archive, "version", 0))) { | |
f438e0c9 | 78 | sr_dbg("Not a sigrok session file: no version found."); |
7d658874 BV |
79 | return SR_ERR; |
80 | } | |
f438e0c9 | 81 | if ((ret = zip_fread(zf, s, 10)) == -1) |
7d658874 | 82 | return SR_ERR; |
7d658874 | 83 | zip_fclose(zf); |
c1864d55 BV |
84 | s[ret] = 0; |
85 | version = strtoull(s, NULL, 10); | |
3a841040 | 86 | if (version > 2) { |
f438e0c9 | 87 | sr_dbg("Cannot handle sigrok session file version %d.", version); |
c1864d55 BV |
88 | return SR_ERR; |
89 | } | |
3a841040 | 90 | sr_spew("Detected sigrok session file version %d.", version); |
7d658874 BV |
91 | |
92 | /* read "metadata" */ | |
93 | if (zip_stat(archive, "metadata", 0, &zs) == -1) { | |
a885ce3e | 94 | sr_dbg("Not a valid sigrok session file."); |
7d658874 BV |
95 | return SR_ERR; |
96 | } | |
b53738ba | 97 | |
aba57f35 ML |
98 | if ((ret = zip_close(archive)) == -1) { |
99 | sr_dbg("error closing zipfile: %s", zip_strerror(archive)); | |
100 | return SR_ERR; | |
101 | } | |
102 | ||
f438e0c9 BV |
103 | return SR_OK; |
104 | } | |
105 | ||
106 | /** | |
107 | * Load the session from the specified filename. | |
108 | * | |
d386a52f BV |
109 | * @param filename The name of the session file to load. |
110 | * @param session The session to load the file into. | |
f438e0c9 | 111 | * |
d386a52f BV |
112 | * @retval SR_OK Success |
113 | * @retval SR_ERR_MALLOC Memory allocation error | |
114 | * @retval SR_ERR_DATA Malformed session file | |
115 | * @retval SR_ERR This is not a session file | |
f438e0c9 | 116 | */ |
0812c40e | 117 | SR_API int sr_session_load(const char *filename, struct sr_session **session) |
f438e0c9 BV |
118 | { |
119 | GKeyFile *kf; | |
120 | GPtrArray *capturefiles; | |
121 | struct zip *archive; | |
122 | struct zip_file *zf; | |
123 | struct zip_stat zs; | |
124 | struct sr_dev_inst *sdi; | |
c6805a02 | 125 | int ret, i, j; |
a160a0c3 | 126 | uint64_t tmp_u64, total_channels, p; |
f438e0c9 | 127 | char **sections, **keys, *metafile, *val; |
3f239f08 | 128 | char channelname[SR_MAX_CHANNELNAME_LEN + 1]; |
f438e0c9 BV |
129 | |
130 | if ((ret = sr_sessionfile_check(filename)) != SR_OK) | |
131 | return ret; | |
132 | ||
133 | if (!(archive = zip_open(filename, 0, &ret))) | |
134 | return SR_ERR; | |
135 | ||
136 | if (zip_stat(archive, "metadata", 0, &zs) == -1) | |
137 | return SR_ERR; | |
138 | ||
b53738ba | 139 | if (!(metafile = g_try_malloc(zs.size))) { |
a885ce3e | 140 | sr_err("%s: metafile malloc failed", __func__); |
b53738ba UH |
141 | return SR_ERR_MALLOC; |
142 | } | |
143 | ||
7d658874 BV |
144 | zf = zip_fopen_index(archive, zs.index, 0); |
145 | zip_fread(zf, metafile, zs.size); | |
146 | zip_fclose(zf); | |
147 | ||
148 | kf = g_key_file_new(); | |
149 | if (!g_key_file_load_from_data(kf, metafile, zs.size, 0, NULL)) { | |
a885ce3e | 150 | sr_dbg("Failed to parse metadata."); |
7d658874 BV |
151 | return SR_ERR; |
152 | } | |
153 | ||
0812c40e ML |
154 | if ((ret = sr_session_new(session)) != SR_OK) |
155 | return ret; | |
7d658874 | 156 | |
d386a52f | 157 | ret = SR_OK; |
7d658874 BV |
158 | capturefiles = g_ptr_array_new_with_free_func(g_free); |
159 | sections = g_key_file_get_groups(kf, NULL); | |
d386a52f | 160 | for (i = 0; sections[i] && ret == SR_OK; i++) { |
7d658874 BV |
161 | if (!strcmp(sections[i], "global")) |
162 | /* nothing really interesting in here yet */ | |
163 | continue; | |
164 | if (!strncmp(sections[i], "device ", 7)) { | |
165 | /* device section */ | |
4d684427 | 166 | sdi = NULL; |
7d658874 BV |
167 | keys = g_key_file_get_keys(kf, sections[i], NULL, NULL); |
168 | for (j = 0; keys[j]; j++) { | |
169 | val = g_key_file_get_string(kf, sections[i], keys[j], NULL); | |
170 | if (!strcmp(keys[j], "capturefile")) { | |
aac29cc1 | 171 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
4d684427 | 172 | sdi->driver = &session_driver; |
0af636be | 173 | sdi->status = SR_ST_ACTIVE; |
c6805a02 | 174 | if (!session_driver_initialized) { |
c09f0b57 | 175 | /* first device, init the driver */ |
c6805a02 | 176 | session_driver_initialized = 1; |
44fc870c | 177 | sdi->driver->init(NULL); |
c6805a02 | 178 | } |
bd7bfe8c | 179 | sr_dev_open(sdi); |
0812c40e | 180 | sr_session_dev_add(*session, sdi); |
1de3cced ML |
181 | (*session)->owned_devs = g_slist_append( |
182 | (*session)->owned_devs, sdi); | |
003595ac | 183 | sdi->driver->config_set(SR_CONF_SESSIONFILE, |
8f996b89 | 184 | g_variant_new_string(filename), sdi, NULL); |
003595ac | 185 | sdi->driver->config_set(SR_CONF_CAPTUREFILE, |
8f996b89 | 186 | g_variant_new_string(val), sdi, NULL); |
7d658874 BV |
187 | g_ptr_array_add(capturefiles, val); |
188 | } else if (!strcmp(keys[j], "samplerate")) { | |
d386a52f BV |
189 | if (!sdi) { |
190 | ret = SR_ERR_DATA; | |
191 | break; | |
192 | } | |
f64c1414 | 193 | sr_parse_sizestring(val, &tmp_u64); |
003595ac | 194 | sdi->driver->config_set(SR_CONF_SAMPLERATE, |
8f996b89 | 195 | g_variant_new_uint64(tmp_u64), sdi, NULL); |
7d658874 | 196 | } else if (!strcmp(keys[j], "unitsize")) { |
d386a52f BV |
197 | if (!sdi) { |
198 | ret = SR_ERR_DATA; | |
199 | break; | |
200 | } | |
7d658874 | 201 | tmp_u64 = strtoull(val, NULL, 10); |
003595ac | 202 | sdi->driver->config_set(SR_CONF_CAPTURE_UNITSIZE, |
8f996b89 | 203 | g_variant_new_uint64(tmp_u64), sdi, NULL); |
7d658874 | 204 | } else if (!strcmp(keys[j], "total probes")) { |
d386a52f BV |
205 | if (!sdi) { |
206 | ret = SR_ERR_DATA; | |
207 | break; | |
208 | } | |
ba7dd8bb | 209 | total_channels = strtoull(val, NULL, 10); |
3f239f08 | 210 | sdi->driver->config_set(SR_CONF_NUM_LOGIC_CHANNELS, |
ba7dd8bb UH |
211 | g_variant_new_uint64(total_channels), sdi, NULL); |
212 | for (p = 0; p < total_channels; p++) { | |
3f239f08 | 213 | snprintf(channelname, SR_MAX_CHANNELNAME_LEN, "%" PRIu64, p); |
5e23fcab | 214 | sr_channel_new(sdi, p, SR_CHANNEL_LOGIC, FALSE, |
c368e6f3 | 215 | channelname); |
464d12c7 | 216 | } |
7d658874 | 217 | } else if (!strncmp(keys[j], "probe", 5)) { |
d386a52f BV |
218 | if (!sdi) { |
219 | ret = SR_ERR_DATA; | |
220 | break; | |
221 | } | |
7d658874 | 222 | tmp_u64 = strtoul(keys[j]+5, NULL, 10); |
fb381e4d | 223 | /* sr_session_save() */ |
f3ca73ed | 224 | sr_dev_channel_name_set(sdi, tmp_u64 - 1, val); |
a160a0c3 | 225 | sr_dev_channel_enable(sdi, tmp_u64 - 1, TRUE); |
7d658874 BV |
226 | } |
227 | } | |
228 | g_strfreev(keys); | |
7d658874 BV |
229 | } |
230 | } | |
231 | g_strfreev(sections); | |
232 | g_key_file_free(kf); | |
233 | ||
d386a52f | 234 | return ret; |
7d658874 BV |
235 | } |
236 | ||
9f45fb3a | 237 | /** |
0812c40e | 238 | * Save a session to the specified file. |
9f45fb3a | 239 | * |
7efe889e | 240 | * @param session The session to save to the specified file. Must not be NULL. |
0812c40e | 241 | * @param filename The name of the filename to save the session as. |
9f45fb3a | 242 | * Must not be NULL. |
056be071 | 243 | * @param sdi The device instance from which the data was captured. |
18bc2704 BV |
244 | * @param buf The data to be saved. |
245 | * @param unitsize The number of bytes per sample. | |
246 | * @param units The number of samples. | |
9f45fb3a | 247 | * |
a769b9f3 BV |
248 | * @retval SR_OK Success |
249 | * @retval SR_ERR_ARG Invalid arguments | |
250 | * @retval SR_ERR Other errors | |
47117241 UH |
251 | * |
252 | * @since 0.2.0 | |
9f45fb3a | 253 | */ |
0812c40e ML |
254 | SR_API int sr_session_save(struct sr_session *session, const char *filename, |
255 | const struct sr_dev_inst *sdi, unsigned char *buf, int unitsize, | |
256 | int units) | |
7d658874 | 257 | { |
ba7dd8bb | 258 | struct sr_channel *ch; |
18bc2704 | 259 | GSList *l; |
003595ac | 260 | GVariant *gvar; |
a769b9f3 BV |
261 | uint64_t samplerate; |
262 | int cnt, ret; | |
ba7dd8bb | 263 | char **channel_names; |
a769b9f3 BV |
264 | |
265 | samplerate = 0; | |
266 | if (sr_dev_has_option(sdi, SR_CONF_SAMPLERATE)) { | |
267 | if (sr_config_get(sdi->driver, sdi, NULL, | |
268 | SR_CONF_SAMPLERATE, &gvar) == SR_OK) { | |
269 | samplerate = g_variant_get_uint64(gvar); | |
270 | g_variant_unref(gvar); | |
271 | } | |
272 | } | |
273 | ||
ba7dd8bb | 274 | channel_names = g_malloc0(sizeof(char *) * (g_slist_length(sdi->channels) + 1)); |
a769b9f3 | 275 | cnt = 0; |
ba7dd8bb UH |
276 | for (l = sdi->channels; l; l = l->next) { |
277 | ch = l->data; | |
3f239f08 | 278 | if (ch->type != SR_CHANNEL_LOGIC) |
eca2f852 | 279 | continue; |
ba7dd8bb | 280 | if (ch->enabled != TRUE) |
eca2f852 | 281 | continue; |
ba7dd8bb | 282 | if (!ch->name) |
eca2f852 BV |
283 | continue; |
284 | /* Just borrowing the ptr. */ | |
ba7dd8bb | 285 | channel_names[cnt++] = ch->name; |
a769b9f3 BV |
286 | } |
287 | ||
0812c40e ML |
288 | if ((ret = sr_session_save_init(session, filename, samplerate, |
289 | channel_names)) != SR_OK) | |
a769b9f3 BV |
290 | return ret; |
291 | ||
0812c40e | 292 | ret = sr_session_append(session, filename, buf, unitsize, units); |
a769b9f3 BV |
293 | |
294 | return ret; | |
295 | } | |
296 | ||
297 | /** | |
298 | * Initialize a saved session file. | |
299 | * | |
7efe889e | 300 | * @param session The session to use. Must not be NULL. |
0812c40e | 301 | * @param filename The name of the filename to save the session as. |
a769b9f3 BV |
302 | * Must not be NULL. |
303 | * @param samplerate The samplerate to store for this session. | |
ba7dd8bb UH |
304 | * @param channels A NULL-terminated array of strings containing the names |
305 | * of all the channels active in this session. | |
a769b9f3 BV |
306 | * |
307 | * @retval SR_OK Success | |
308 | * @retval SR_ERR_ARG Invalid arguments | |
309 | * @retval SR_ERR Other errors | |
47117241 UH |
310 | * |
311 | * @since 0.3.0 | |
a769b9f3 | 312 | */ |
0812c40e ML |
313 | SR_API int sr_session_save_init(struct sr_session *session, |
314 | const char *filename, uint64_t samplerate, char **channels) | |
a769b9f3 | 315 | { |
7d658874 | 316 | FILE *meta; |
7d658874 | 317 | struct zip *zipfile; |
a769b9f3 BV |
318 | struct zip_source *versrc, *metasrc; |
319 | int tmpfile, cnt, ret, i; | |
320 | char version[1], metafile[32], *s; | |
7d658874 | 321 | |
f4d2042d | 322 | (void)session; |
0812c40e | 323 | |
9f45fb3a | 324 | if (!filename) { |
a885ce3e | 325 | sr_err("%s: filename was NULL", __func__); |
9f45fb3a UH |
326 | return SR_ERR_ARG; |
327 | } | |
328 | ||
7d658874 | 329 | /* Quietly delete it first, libzip wants replace ops otherwise. */ |
4a1b18f8 | 330 | unlink(filename); |
ebc34738 | 331 | if (!(zipfile = zip_open(filename, ZIP_CREATE, &ret))) |
7d658874 | 332 | return SR_ERR; |
7d658874 BV |
333 | |
334 | /* "version" */ | |
3a841040 | 335 | version[0] = '2'; |
7d658874 BV |
336 | if (!(versrc = zip_source_buffer(zipfile, version, 1, 0))) |
337 | return SR_ERR; | |
338 | if (zip_add(zipfile, "version", versrc) == -1) { | |
a885ce3e | 339 | sr_info("error saving version into zipfile: %s", |
b08024a8 | 340 | zip_strerror(zipfile)); |
7d658874 BV |
341 | return SR_ERR; |
342 | } | |
343 | ||
344 | /* init "metadata" */ | |
345 | strcpy(metafile, "sigrok-meta-XXXXXX"); | |
346 | if ((tmpfile = g_mkstemp(metafile)) == -1) | |
347 | return SR_ERR; | |
348 | close(tmpfile); | |
868d8cef | 349 | meta = g_fopen(metafile, "wb"); |
7d658874 BV |
350 | fprintf(meta, "[global]\n"); |
351 | fprintf(meta, "sigrok version = %s\n", PACKAGE_VERSION); | |
7d658874 | 352 | |
056be071 BV |
353 | /* metadata */ |
354 | fprintf(meta, "[device 1]\n"); | |
7d658874 | 355 | |
056be071 BV |
356 | /* metadata */ |
357 | fprintf(meta, "capturefile = logic-1\n"); | |
a769b9f3 | 358 | cnt = 0; |
ba7dd8bb | 359 | for (i = 0; channels[i]; i++) |
a769b9f3 BV |
360 | cnt++; |
361 | fprintf(meta, "total probes = %d\n", cnt); | |
362 | s = sr_samplerate_string(samplerate); | |
363 | fprintf(meta, "samplerate = %s\n", s); | |
364 | g_free(s); | |
365 | ||
ba7dd8bb UH |
366 | for (i = 0; channels[i]; i++) |
367 | fprintf(meta, "probe%d = %s\n", i + 1, channels[i]); | |
7d658874 | 368 | |
7d658874 BV |
369 | fclose(meta); |
370 | ||
d2cd06e7 BV |
371 | if (!(metasrc = zip_source_file(zipfile, metafile, 0, -1))) { |
372 | unlink(metafile); | |
7d658874 | 373 | return SR_ERR; |
d2cd06e7 BV |
374 | } |
375 | if (zip_add(zipfile, "metadata", metasrc) == -1) { | |
376 | unlink(metafile); | |
7d658874 | 377 | return SR_ERR; |
d2cd06e7 | 378 | } |
7d658874 BV |
379 | |
380 | if ((ret = zip_close(zipfile)) == -1) { | |
a885ce3e | 381 | sr_info("error saving zipfile: %s", zip_strerror(zipfile)); |
d2cd06e7 | 382 | unlink(metafile); |
7d658874 BV |
383 | return SR_ERR; |
384 | } | |
385 | ||
386 | unlink(metafile); | |
387 | ||
388 | return SR_OK; | |
389 | } | |
7b870c38 | 390 | |
f438e0c9 BV |
391 | /** |
392 | * Append data to an existing session file. | |
393 | * | |
a769b9f3 BV |
394 | * The session file must have been created with sr_session_save_init() |
395 | * or sr_session_save() beforehand. | |
396 | * | |
7efe889e | 397 | * @param session The session to use. Must not be NULL. |
f438e0c9 BV |
398 | * @param filename The name of the filename to append to. Must not be NULL. |
399 | * @param buf The data to be appended. | |
400 | * @param unitsize The number of bytes per sample. | |
401 | * @param units The number of samples. | |
402 | * | |
a769b9f3 BV |
403 | * @retval SR_OK Success |
404 | * @retval SR_ERR_ARG Invalid arguments | |
405 | * @retval SR_ERR Other errors | |
47117241 UH |
406 | * |
407 | * @since 0.3.0 | |
f438e0c9 | 408 | */ |
0812c40e ML |
409 | SR_API int sr_session_append(struct sr_session *session, const char *filename, |
410 | unsigned char *buf, int unitsize, int units) | |
f438e0c9 BV |
411 | { |
412 | struct zip *archive; | |
413 | struct zip_source *logicsrc; | |
414 | zip_int64_t num_files; | |
a769b9f3 BV |
415 | struct zip_file *zf; |
416 | struct zip_stat zs; | |
417 | struct zip_source *metasrc; | |
418 | GKeyFile *kf; | |
419 | GError *error; | |
420 | gsize len; | |
421 | int chunk_num, next_chunk_num, tmpfile, ret, i; | |
f438e0c9 | 422 | const char *entry_name; |
a769b9f3 | 423 | char *metafile, tmpname[32], chunkname[16]; |
f438e0c9 | 424 | |
f4d2042d | 425 | (void)session; |
0812c40e | 426 | |
f438e0c9 BV |
427 | if ((ret = sr_sessionfile_check(filename)) != SR_OK) |
428 | return ret; | |
429 | ||
430 | if (!(archive = zip_open(filename, 0, &ret))) | |
431 | return SR_ERR; | |
432 | ||
a769b9f3 BV |
433 | if (zip_stat(archive, "metadata", 0, &zs) == -1) |
434 | return SR_ERR; | |
435 | ||
436 | metafile = g_malloc(zs.size); | |
437 | zf = zip_fopen_index(archive, zs.index, 0); | |
438 | zip_fread(zf, metafile, zs.size); | |
439 | zip_fclose(zf); | |
440 | ||
441 | /* | |
442 | * If the file was only initialized but doesn't yet have any | |
443 | * data it in, it won't have a unitsize field in metadata yet. | |
444 | */ | |
445 | error = NULL; | |
446 | kf = g_key_file_new(); | |
447 | if (!g_key_file_load_from_data(kf, metafile, zs.size, 0, &error)) { | |
448 | sr_err("Failed to parse metadata: %s.", error->message); | |
449 | return SR_ERR; | |
450 | } | |
451 | g_free(metafile); | |
d2cd06e7 | 452 | tmpname[0] = '\0'; |
a769b9f3 BV |
453 | if (!g_key_file_has_key(kf, "device 1", "unitsize", &error)) { |
454 | if (error && error->code != G_KEY_FILE_ERROR_KEY_NOT_FOUND) { | |
455 | sr_err("Failed to check unitsize key: %s", error ? error->message : "?"); | |
456 | return SR_ERR; | |
457 | } | |
458 | /* Add unitsize field. */ | |
459 | g_key_file_set_integer(kf, "device 1", "unitsize", unitsize); | |
460 | metafile = g_key_file_to_data(kf, &len, &error); | |
461 | strcpy(tmpname, "sigrok-meta-XXXXXX"); | |
462 | if ((tmpfile = g_mkstemp(tmpname)) == -1) | |
463 | return SR_ERR; | |
464 | if (write(tmpfile, metafile, len) < 0) { | |
465 | sr_dbg("Failed to create new metadata: %s", strerror(errno)); | |
d2cd06e7 BV |
466 | g_free(metafile); |
467 | unlink(tmpname); | |
a769b9f3 BV |
468 | return SR_ERR; |
469 | } | |
470 | close(tmpfile); | |
471 | if (!(metasrc = zip_source_file(archive, tmpname, 0, -1))) { | |
a769b9f3 | 472 | sr_err("Failed to create zip source for metadata."); |
d2cd06e7 BV |
473 | g_free(metafile); |
474 | unlink(tmpname); | |
a769b9f3 BV |
475 | return SR_ERR; |
476 | } | |
477 | if (zip_replace(archive, zs.index, metasrc) == -1) { | |
478 | sr_err("Failed to replace metadata file."); | |
d2cd06e7 BV |
479 | g_free(metafile); |
480 | unlink(tmpname); | |
a769b9f3 BV |
481 | return SR_ERR; |
482 | } | |
483 | g_free(metafile); | |
484 | } | |
485 | g_key_file_free(kf); | |
486 | ||
f438e0c9 BV |
487 | next_chunk_num = 1; |
488 | num_files = zip_get_num_entries(archive, 0); | |
489 | for (i = 0; i < num_files; i++) { | |
490 | entry_name = zip_get_name(archive, i, 0); | |
491 | if (strncmp(entry_name, "logic-1", 7)) | |
492 | continue; | |
493 | if (strlen(entry_name) == 7) { | |
494 | /* This file has no extra chunks, just a single "logic-1". | |
495 | * Rename it to "logic-1-1" * and continue with chunk 2. */ | |
496 | if (zip_rename(archive, i, "logic-1-1") == -1) { | |
497 | sr_err("Failed to rename 'logic-1' to 'logic-1-1'."); | |
d2cd06e7 | 498 | unlink(tmpname); |
f438e0c9 BV |
499 | return SR_ERR; |
500 | } | |
501 | next_chunk_num = 2; | |
502 | break; | |
503 | } else if (strlen(entry_name) > 8 && entry_name[7] == '-') { | |
504 | chunk_num = strtoull(entry_name + 8, NULL, 10); | |
505 | if (chunk_num >= next_chunk_num) | |
506 | next_chunk_num = chunk_num + 1; | |
507 | } | |
508 | } | |
509 | snprintf(chunkname, 15, "logic-1-%d", next_chunk_num); | |
d2cd06e7 BV |
510 | if (!(logicsrc = zip_source_buffer(archive, buf, units * unitsize, FALSE))) { |
511 | unlink(tmpname); | |
f438e0c9 | 512 | return SR_ERR; |
d2cd06e7 BV |
513 | } |
514 | if (zip_add(archive, chunkname, logicsrc) == -1) { | |
515 | unlink(tmpname); | |
f438e0c9 | 516 | return SR_ERR; |
d2cd06e7 | 517 | } |
f438e0c9 BV |
518 | if ((ret = zip_close(archive)) == -1) { |
519 | sr_info("error saving session file: %s", zip_strerror(archive)); | |
d2cd06e7 | 520 | unlink(tmpname); |
f438e0c9 BV |
521 | return SR_ERR; |
522 | } | |
d2cd06e7 | 523 | unlink(tmpname); |
f438e0c9 BV |
524 | |
525 | return SR_OK; | |
526 | } | |
527 | ||
7b870c38 | 528 | /** @} */ |