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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; | |
ba7dd8bb | 125 | struct sr_channel *ch; |
c6805a02 | 126 | int ret, i, j; |
ba7dd8bb | 127 | uint64_t tmp_u64, total_channels, enabled_channels, p; |
f438e0c9 | 128 | char **sections, **keys, *metafile, *val; |
3f239f08 | 129 | char channelname[SR_MAX_CHANNELNAME_LEN + 1]; |
f438e0c9 BV |
130 | |
131 | if ((ret = sr_sessionfile_check(filename)) != SR_OK) | |
132 | return ret; | |
133 | ||
134 | if (!(archive = zip_open(filename, 0, &ret))) | |
135 | return SR_ERR; | |
136 | ||
137 | if (zip_stat(archive, "metadata", 0, &zs) == -1) | |
138 | return SR_ERR; | |
139 | ||
b53738ba | 140 | if (!(metafile = g_try_malloc(zs.size))) { |
a885ce3e | 141 | sr_err("%s: metafile malloc failed", __func__); |
b53738ba UH |
142 | return SR_ERR_MALLOC; |
143 | } | |
144 | ||
7d658874 BV |
145 | zf = zip_fopen_index(archive, zs.index, 0); |
146 | zip_fread(zf, metafile, zs.size); | |
147 | zip_fclose(zf); | |
148 | ||
149 | kf = g_key_file_new(); | |
150 | if (!g_key_file_load_from_data(kf, metafile, zs.size, 0, NULL)) { | |
a885ce3e | 151 | sr_dbg("Failed to parse metadata."); |
7d658874 BV |
152 | return SR_ERR; |
153 | } | |
154 | ||
0812c40e ML |
155 | if ((ret = sr_session_new(session)) != SR_OK) |
156 | return ret; | |
7d658874 | 157 | |
d386a52f | 158 | ret = SR_OK; |
7d658874 BV |
159 | capturefiles = g_ptr_array_new_with_free_func(g_free); |
160 | sections = g_key_file_get_groups(kf, NULL); | |
d386a52f | 161 | for (i = 0; sections[i] && ret == SR_OK; i++) { |
7d658874 BV |
162 | if (!strcmp(sections[i], "global")) |
163 | /* nothing really interesting in here yet */ | |
164 | continue; | |
165 | if (!strncmp(sections[i], "device ", 7)) { | |
166 | /* device section */ | |
4d684427 | 167 | sdi = NULL; |
ba7dd8bb | 168 | enabled_channels = total_channels = 0; |
7d658874 BV |
169 | keys = g_key_file_get_keys(kf, sections[i], NULL, NULL); |
170 | for (j = 0; keys[j]; j++) { | |
171 | val = g_key_file_get_string(kf, sections[i], keys[j], NULL); | |
172 | if (!strcmp(keys[j], "capturefile")) { | |
c6805a02 | 173 | sdi = sr_dev_inst_new(SR_ST_ACTIVE, NULL, NULL, NULL); |
4d684427 | 174 | sdi->driver = &session_driver; |
c6805a02 | 175 | if (!session_driver_initialized) { |
c09f0b57 | 176 | /* first device, init the driver */ |
c6805a02 | 177 | session_driver_initialized = 1; |
44fc870c | 178 | sdi->driver->init(NULL); |
c6805a02 | 179 | } |
bd7bfe8c | 180 | sr_dev_open(sdi); |
0812c40e | 181 | sr_session_dev_add(*session, sdi); |
003595ac | 182 | sdi->driver->config_set(SR_CONF_SESSIONFILE, |
8f996b89 | 183 | g_variant_new_string(filename), sdi, NULL); |
003595ac | 184 | sdi->driver->config_set(SR_CONF_CAPTUREFILE, |
8f996b89 | 185 | g_variant_new_string(val), sdi, NULL); |
7d658874 BV |
186 | g_ptr_array_add(capturefiles, val); |
187 | } else if (!strcmp(keys[j], "samplerate")) { | |
d386a52f BV |
188 | if (!sdi) { |
189 | ret = SR_ERR_DATA; | |
190 | break; | |
191 | } | |
f64c1414 | 192 | sr_parse_sizestring(val, &tmp_u64); |
003595ac | 193 | sdi->driver->config_set(SR_CONF_SAMPLERATE, |
8f996b89 | 194 | g_variant_new_uint64(tmp_u64), sdi, NULL); |
7d658874 | 195 | } else if (!strcmp(keys[j], "unitsize")) { |
d386a52f BV |
196 | if (!sdi) { |
197 | ret = SR_ERR_DATA; | |
198 | break; | |
199 | } | |
7d658874 | 200 | tmp_u64 = strtoull(val, NULL, 10); |
003595ac | 201 | sdi->driver->config_set(SR_CONF_CAPTURE_UNITSIZE, |
8f996b89 | 202 | g_variant_new_uint64(tmp_u64), sdi, NULL); |
7d658874 | 203 | } else if (!strcmp(keys[j], "total probes")) { |
d386a52f BV |
204 | if (!sdi) { |
205 | ret = SR_ERR_DATA; | |
206 | break; | |
207 | } | |
ba7dd8bb | 208 | total_channels = strtoull(val, NULL, 10); |
3f239f08 | 209 | sdi->driver->config_set(SR_CONF_NUM_LOGIC_CHANNELS, |
ba7dd8bb UH |
210 | g_variant_new_uint64(total_channels), sdi, NULL); |
211 | for (p = 0; p < total_channels; p++) { | |
3f239f08 UH |
212 | snprintf(channelname, SR_MAX_CHANNELNAME_LEN, "%" PRIu64, p); |
213 | if (!(ch = sr_channel_new(p, SR_CHANNEL_LOGIC, TRUE, | |
ba7dd8bb | 214 | channelname))) |
4d684427 | 215 | return SR_ERR; |
ba7dd8bb | 216 | sdi->channels = g_slist_append(sdi->channels, ch); |
464d12c7 | 217 | } |
7d658874 | 218 | } else if (!strncmp(keys[j], "probe", 5)) { |
d386a52f BV |
219 | if (!sdi) { |
220 | ret = SR_ERR_DATA; | |
221 | break; | |
222 | } | |
ba7dd8bb | 223 | enabled_channels++; |
7d658874 | 224 | tmp_u64 = strtoul(keys[j]+5, NULL, 10); |
fb381e4d | 225 | /* sr_session_save() */ |
f3ca73ed | 226 | sr_dev_channel_name_set(sdi, tmp_u64 - 1, val); |
7d658874 BV |
227 | } |
228 | } | |
229 | g_strfreev(keys); | |
ba7dd8bb UH |
230 | /* Disable channels not specifically listed. */ |
231 | if (total_channels) | |
232 | for (p = enabled_channels; p < total_channels; p++) | |
f3ca73ed | 233 | sr_dev_channel_enable(sdi, p, FALSE); |
7d658874 BV |
234 | } |
235 | } | |
236 | g_strfreev(sections); | |
237 | g_key_file_free(kf); | |
238 | ||
d386a52f | 239 | return ret; |
7d658874 BV |
240 | } |
241 | ||
9f45fb3a | 242 | /** |
0812c40e | 243 | * Save a session to the specified file. |
9f45fb3a | 244 | * |
7efe889e | 245 | * @param session The session to save to the specified file. Must not be NULL. |
0812c40e | 246 | * @param filename The name of the filename to save the session as. |
9f45fb3a | 247 | * Must not be NULL. |
056be071 | 248 | * @param sdi The device instance from which the data was captured. |
18bc2704 BV |
249 | * @param buf The data to be saved. |
250 | * @param unitsize The number of bytes per sample. | |
251 | * @param units The number of samples. | |
9f45fb3a | 252 | * |
a769b9f3 BV |
253 | * @retval SR_OK Success |
254 | * @retval SR_ERR_ARG Invalid arguments | |
255 | * @retval SR_ERR Other errors | |
47117241 UH |
256 | * |
257 | * @since 0.2.0 | |
9f45fb3a | 258 | */ |
0812c40e ML |
259 | SR_API int sr_session_save(struct sr_session *session, const char *filename, |
260 | const struct sr_dev_inst *sdi, unsigned char *buf, int unitsize, | |
261 | int units) | |
7d658874 | 262 | { |
ba7dd8bb | 263 | struct sr_channel *ch; |
18bc2704 | 264 | GSList *l; |
003595ac | 265 | GVariant *gvar; |
a769b9f3 BV |
266 | uint64_t samplerate; |
267 | int cnt, ret; | |
ba7dd8bb | 268 | char **channel_names; |
a769b9f3 BV |
269 | |
270 | samplerate = 0; | |
271 | if (sr_dev_has_option(sdi, SR_CONF_SAMPLERATE)) { | |
272 | if (sr_config_get(sdi->driver, sdi, NULL, | |
273 | SR_CONF_SAMPLERATE, &gvar) == SR_OK) { | |
274 | samplerate = g_variant_get_uint64(gvar); | |
275 | g_variant_unref(gvar); | |
276 | } | |
277 | } | |
278 | ||
ba7dd8bb | 279 | channel_names = g_malloc0(sizeof(char *) * (g_slist_length(sdi->channels) + 1)); |
a769b9f3 | 280 | cnt = 0; |
ba7dd8bb UH |
281 | for (l = sdi->channels; l; l = l->next) { |
282 | ch = l->data; | |
3f239f08 | 283 | if (ch->type != SR_CHANNEL_LOGIC) |
eca2f852 | 284 | continue; |
ba7dd8bb | 285 | if (ch->enabled != TRUE) |
eca2f852 | 286 | continue; |
ba7dd8bb | 287 | if (!ch->name) |
eca2f852 BV |
288 | continue; |
289 | /* Just borrowing the ptr. */ | |
ba7dd8bb | 290 | channel_names[cnt++] = ch->name; |
a769b9f3 BV |
291 | } |
292 | ||
0812c40e ML |
293 | if ((ret = sr_session_save_init(session, filename, samplerate, |
294 | channel_names)) != SR_OK) | |
a769b9f3 BV |
295 | return ret; |
296 | ||
0812c40e | 297 | ret = sr_session_append(session, filename, buf, unitsize, units); |
a769b9f3 BV |
298 | |
299 | return ret; | |
300 | } | |
301 | ||
302 | /** | |
303 | * Initialize a saved session file. | |
304 | * | |
7efe889e | 305 | * @param session The session to use. Must not be NULL. |
0812c40e | 306 | * @param filename The name of the filename to save the session as. |
a769b9f3 BV |
307 | * Must not be NULL. |
308 | * @param samplerate The samplerate to store for this session. | |
ba7dd8bb UH |
309 | * @param channels A NULL-terminated array of strings containing the names |
310 | * of all the channels active in this session. | |
a769b9f3 BV |
311 | * |
312 | * @retval SR_OK Success | |
313 | * @retval SR_ERR_ARG Invalid arguments | |
314 | * @retval SR_ERR Other errors | |
47117241 UH |
315 | * |
316 | * @since 0.3.0 | |
a769b9f3 | 317 | */ |
0812c40e ML |
318 | SR_API int sr_session_save_init(struct sr_session *session, |
319 | const char *filename, uint64_t samplerate, char **channels) | |
a769b9f3 | 320 | { |
7d658874 | 321 | FILE *meta; |
7d658874 | 322 | struct zip *zipfile; |
a769b9f3 BV |
323 | struct zip_source *versrc, *metasrc; |
324 | int tmpfile, cnt, ret, i; | |
325 | char version[1], metafile[32], *s; | |
7d658874 | 326 | |
f4d2042d | 327 | (void)session; |
0812c40e | 328 | |
9f45fb3a | 329 | if (!filename) { |
a885ce3e | 330 | sr_err("%s: filename was NULL", __func__); |
9f45fb3a UH |
331 | return SR_ERR_ARG; |
332 | } | |
333 | ||
7d658874 | 334 | /* Quietly delete it first, libzip wants replace ops otherwise. */ |
4a1b18f8 | 335 | unlink(filename); |
ebc34738 | 336 | if (!(zipfile = zip_open(filename, ZIP_CREATE, &ret))) |
7d658874 | 337 | return SR_ERR; |
7d658874 BV |
338 | |
339 | /* "version" */ | |
3a841040 | 340 | version[0] = '2'; |
7d658874 BV |
341 | if (!(versrc = zip_source_buffer(zipfile, version, 1, 0))) |
342 | return SR_ERR; | |
343 | if (zip_add(zipfile, "version", versrc) == -1) { | |
a885ce3e | 344 | sr_info("error saving version into zipfile: %s", |
b08024a8 | 345 | zip_strerror(zipfile)); |
7d658874 BV |
346 | return SR_ERR; |
347 | } | |
348 | ||
349 | /* init "metadata" */ | |
350 | strcpy(metafile, "sigrok-meta-XXXXXX"); | |
351 | if ((tmpfile = g_mkstemp(metafile)) == -1) | |
352 | return SR_ERR; | |
353 | close(tmpfile); | |
868d8cef | 354 | meta = g_fopen(metafile, "wb"); |
7d658874 BV |
355 | fprintf(meta, "[global]\n"); |
356 | fprintf(meta, "sigrok version = %s\n", PACKAGE_VERSION); | |
7d658874 | 357 | |
056be071 BV |
358 | /* metadata */ |
359 | fprintf(meta, "[device 1]\n"); | |
7d658874 | 360 | |
056be071 BV |
361 | /* metadata */ |
362 | fprintf(meta, "capturefile = logic-1\n"); | |
a769b9f3 | 363 | cnt = 0; |
ba7dd8bb | 364 | for (i = 0; channels[i]; i++) |
a769b9f3 BV |
365 | cnt++; |
366 | fprintf(meta, "total probes = %d\n", cnt); | |
367 | s = sr_samplerate_string(samplerate); | |
368 | fprintf(meta, "samplerate = %s\n", s); | |
369 | g_free(s); | |
370 | ||
ba7dd8bb UH |
371 | for (i = 0; channels[i]; i++) |
372 | fprintf(meta, "probe%d = %s\n", i + 1, channels[i]); | |
7d658874 | 373 | |
7d658874 BV |
374 | fclose(meta); |
375 | ||
d2cd06e7 BV |
376 | if (!(metasrc = zip_source_file(zipfile, metafile, 0, -1))) { |
377 | unlink(metafile); | |
7d658874 | 378 | return SR_ERR; |
d2cd06e7 BV |
379 | } |
380 | if (zip_add(zipfile, "metadata", metasrc) == -1) { | |
381 | unlink(metafile); | |
7d658874 | 382 | return SR_ERR; |
d2cd06e7 | 383 | } |
7d658874 BV |
384 | |
385 | if ((ret = zip_close(zipfile)) == -1) { | |
a885ce3e | 386 | sr_info("error saving zipfile: %s", zip_strerror(zipfile)); |
d2cd06e7 | 387 | unlink(metafile); |
7d658874 BV |
388 | return SR_ERR; |
389 | } | |
390 | ||
391 | unlink(metafile); | |
392 | ||
393 | return SR_OK; | |
394 | } | |
7b870c38 | 395 | |
f438e0c9 BV |
396 | /** |
397 | * Append data to an existing session file. | |
398 | * | |
a769b9f3 BV |
399 | * The session file must have been created with sr_session_save_init() |
400 | * or sr_session_save() beforehand. | |
401 | * | |
7efe889e | 402 | * @param session The session to use. Must not be NULL. |
f438e0c9 BV |
403 | * @param filename The name of the filename to append to. Must not be NULL. |
404 | * @param buf The data to be appended. | |
405 | * @param unitsize The number of bytes per sample. | |
406 | * @param units The number of samples. | |
407 | * | |
a769b9f3 BV |
408 | * @retval SR_OK Success |
409 | * @retval SR_ERR_ARG Invalid arguments | |
410 | * @retval SR_ERR Other errors | |
47117241 UH |
411 | * |
412 | * @since 0.3.0 | |
f438e0c9 | 413 | */ |
0812c40e ML |
414 | SR_API int sr_session_append(struct sr_session *session, const char *filename, |
415 | unsigned char *buf, int unitsize, int units) | |
f438e0c9 BV |
416 | { |
417 | struct zip *archive; | |
418 | struct zip_source *logicsrc; | |
419 | zip_int64_t num_files; | |
a769b9f3 BV |
420 | struct zip_file *zf; |
421 | struct zip_stat zs; | |
422 | struct zip_source *metasrc; | |
423 | GKeyFile *kf; | |
424 | GError *error; | |
425 | gsize len; | |
426 | int chunk_num, next_chunk_num, tmpfile, ret, i; | |
f438e0c9 | 427 | const char *entry_name; |
a769b9f3 | 428 | char *metafile, tmpname[32], chunkname[16]; |
f438e0c9 | 429 | |
f4d2042d | 430 | (void)session; |
0812c40e | 431 | |
f438e0c9 BV |
432 | if ((ret = sr_sessionfile_check(filename)) != SR_OK) |
433 | return ret; | |
434 | ||
435 | if (!(archive = zip_open(filename, 0, &ret))) | |
436 | return SR_ERR; | |
437 | ||
a769b9f3 BV |
438 | if (zip_stat(archive, "metadata", 0, &zs) == -1) |
439 | return SR_ERR; | |
440 | ||
441 | metafile = g_malloc(zs.size); | |
442 | zf = zip_fopen_index(archive, zs.index, 0); | |
443 | zip_fread(zf, metafile, zs.size); | |
444 | zip_fclose(zf); | |
445 | ||
446 | /* | |
447 | * If the file was only initialized but doesn't yet have any | |
448 | * data it in, it won't have a unitsize field in metadata yet. | |
449 | */ | |
450 | error = NULL; | |
451 | kf = g_key_file_new(); | |
452 | if (!g_key_file_load_from_data(kf, metafile, zs.size, 0, &error)) { | |
453 | sr_err("Failed to parse metadata: %s.", error->message); | |
454 | return SR_ERR; | |
455 | } | |
456 | g_free(metafile); | |
d2cd06e7 | 457 | tmpname[0] = '\0'; |
a769b9f3 BV |
458 | if (!g_key_file_has_key(kf, "device 1", "unitsize", &error)) { |
459 | if (error && error->code != G_KEY_FILE_ERROR_KEY_NOT_FOUND) { | |
460 | sr_err("Failed to check unitsize key: %s", error ? error->message : "?"); | |
461 | return SR_ERR; | |
462 | } | |
463 | /* Add unitsize field. */ | |
464 | g_key_file_set_integer(kf, "device 1", "unitsize", unitsize); | |
465 | metafile = g_key_file_to_data(kf, &len, &error); | |
466 | strcpy(tmpname, "sigrok-meta-XXXXXX"); | |
467 | if ((tmpfile = g_mkstemp(tmpname)) == -1) | |
468 | return SR_ERR; | |
469 | if (write(tmpfile, metafile, len) < 0) { | |
470 | sr_dbg("Failed to create new metadata: %s", strerror(errno)); | |
d2cd06e7 BV |
471 | g_free(metafile); |
472 | unlink(tmpname); | |
a769b9f3 BV |
473 | return SR_ERR; |
474 | } | |
475 | close(tmpfile); | |
476 | if (!(metasrc = zip_source_file(archive, tmpname, 0, -1))) { | |
a769b9f3 | 477 | sr_err("Failed to create zip source for metadata."); |
d2cd06e7 BV |
478 | g_free(metafile); |
479 | unlink(tmpname); | |
a769b9f3 BV |
480 | return SR_ERR; |
481 | } | |
482 | if (zip_replace(archive, zs.index, metasrc) == -1) { | |
483 | sr_err("Failed to replace metadata file."); | |
d2cd06e7 BV |
484 | g_free(metafile); |
485 | unlink(tmpname); | |
a769b9f3 BV |
486 | return SR_ERR; |
487 | } | |
488 | g_free(metafile); | |
489 | } | |
490 | g_key_file_free(kf); | |
491 | ||
f438e0c9 BV |
492 | next_chunk_num = 1; |
493 | num_files = zip_get_num_entries(archive, 0); | |
494 | for (i = 0; i < num_files; i++) { | |
495 | entry_name = zip_get_name(archive, i, 0); | |
496 | if (strncmp(entry_name, "logic-1", 7)) | |
497 | continue; | |
498 | if (strlen(entry_name) == 7) { | |
499 | /* This file has no extra chunks, just a single "logic-1". | |
500 | * Rename it to "logic-1-1" * and continue with chunk 2. */ | |
501 | if (zip_rename(archive, i, "logic-1-1") == -1) { | |
502 | sr_err("Failed to rename 'logic-1' to 'logic-1-1'."); | |
d2cd06e7 | 503 | unlink(tmpname); |
f438e0c9 BV |
504 | return SR_ERR; |
505 | } | |
506 | next_chunk_num = 2; | |
507 | break; | |
508 | } else if (strlen(entry_name) > 8 && entry_name[7] == '-') { | |
509 | chunk_num = strtoull(entry_name + 8, NULL, 10); | |
510 | if (chunk_num >= next_chunk_num) | |
511 | next_chunk_num = chunk_num + 1; | |
512 | } | |
513 | } | |
514 | snprintf(chunkname, 15, "logic-1-%d", next_chunk_num); | |
d2cd06e7 BV |
515 | if (!(logicsrc = zip_source_buffer(archive, buf, units * unitsize, FALSE))) { |
516 | unlink(tmpname); | |
f438e0c9 | 517 | return SR_ERR; |
d2cd06e7 BV |
518 | } |
519 | if (zip_add(archive, chunkname, logicsrc) == -1) { | |
520 | unlink(tmpname); | |
f438e0c9 | 521 | return SR_ERR; |
d2cd06e7 | 522 | } |
f438e0c9 BV |
523 | if ((ret = zip_close(archive)) == -1) { |
524 | sr_info("error saving session file: %s", zip_strerror(archive)); | |
d2cd06e7 | 525 | unlink(tmpname); |
f438e0c9 BV |
526 | return SR_ERR; |
527 | } | |
d2cd06e7 | 528 | unlink(tmpname); |
f438e0c9 BV |
529 | |
530 | return SR_OK; | |
531 | } | |
532 | ||
7b870c38 | 533 | /** @} */ |