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7d658874 BV |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2011 Bert Vermeulen <bert@biot.com> | |
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 | ||
22b02383 | 20 | #include "config.h" |
7d658874 BV |
21 | #include <string.h> |
22 | #include <stdlib.h> | |
23 | #include <unistd.h> | |
24 | #include <zip.h> | |
25 | #include <glib.h> | |
3bbd9849 | 26 | #include <glib/gstdio.h> |
7d658874 | 27 | #include <sigrok.h> |
f5a443f2 | 28 | #include <sigrok-internal.h> |
7d658874 | 29 | |
2872d21e | 30 | extern struct sr_session *session; |
7d658874 BV |
31 | extern struct sr_device_plugin session_driver; |
32 | ||
8a2efef2 | 33 | int sr_session_load(const char *filename) |
7d658874 BV |
34 | { |
35 | GKeyFile *kf; | |
36 | GPtrArray *capturefiles; | |
37 | struct zip *archive; | |
38 | struct zip_file *zf; | |
39 | struct zip_stat zs; | |
2872d21e | 40 | struct sr_session *session; |
7d658874 | 41 | struct sr_device *device; |
1afe8989 | 42 | struct sr_probe *probe; |
7d658874 BV |
43 | int ret, err, probenum, devcnt, i, j; |
44 | uint64_t tmp_u64, total_probes, enabled_probes, p; | |
45 | char **sections, **keys, *metafile, *val, c; | |
46 | ||
47 | if (!(archive = zip_open(filename, 0, &err))) { | |
b08024a8 | 48 | sr_dbg("Failed to open session file: zip error %d", err); |
7d658874 BV |
49 | return SR_ERR; |
50 | } | |
51 | ||
52 | /* check "version" */ | |
53 | if (!(zf = zip_fopen(archive, "version", 0))) { | |
b08024a8 | 54 | sr_dbg("Not a sigrok session file."); |
7d658874 BV |
55 | return SR_ERR; |
56 | } | |
57 | ret = zip_fread(zf, &c, 1); | |
58 | if (ret != 1 || c != '1') { | |
b08024a8 | 59 | sr_dbg("Not a valid sigrok session file."); |
7d658874 BV |
60 | return SR_ERR; |
61 | } | |
62 | zip_fclose(zf); | |
63 | ||
64 | /* read "metadata" */ | |
65 | if (zip_stat(archive, "metadata", 0, &zs) == -1) { | |
b08024a8 | 66 | sr_dbg("Not a valid sigrok session file."); |
7d658874 BV |
67 | return SR_ERR; |
68 | } | |
b53738ba UH |
69 | |
70 | if (!(metafile = g_try_malloc(zs.size))) { | |
71 | sr_err("session file: %s: metafile malloc failed", __func__); | |
72 | return SR_ERR_MALLOC; | |
73 | } | |
74 | ||
7d658874 BV |
75 | zf = zip_fopen_index(archive, zs.index, 0); |
76 | zip_fread(zf, metafile, zs.size); | |
77 | zip_fclose(zf); | |
78 | ||
79 | kf = g_key_file_new(); | |
80 | if (!g_key_file_load_from_data(kf, metafile, zs.size, 0, NULL)) { | |
b08024a8 | 81 | sr_dbg("Failed to parse metadata."); |
7d658874 BV |
82 | return SR_ERR; |
83 | } | |
84 | ||
8a2efef2 | 85 | session = sr_session_new(); |
7d658874 BV |
86 | |
87 | devcnt = 0; | |
88 | capturefiles = g_ptr_array_new_with_free_func(g_free); | |
89 | sections = g_key_file_get_groups(kf, NULL); | |
90 | for (i = 0; sections[i]; i++) { | |
91 | if (!strcmp(sections[i], "global")) | |
92 | /* nothing really interesting in here yet */ | |
93 | continue; | |
94 | if (!strncmp(sections[i], "device ", 7)) { | |
95 | /* device section */ | |
96 | device = NULL; | |
97 | enabled_probes = 0; | |
98 | keys = g_key_file_get_keys(kf, sections[i], NULL, NULL); | |
99 | for (j = 0; keys[j]; j++) { | |
100 | val = g_key_file_get_string(kf, sections[i], keys[j], NULL); | |
101 | if (!strcmp(keys[j], "capturefile")) { | |
2bf4aca6 | 102 | device = sr_device_new(&session_driver, devcnt, 0); |
7d658874 BV |
103 | if (devcnt == 0) |
104 | /* first device, init the plugin */ | |
105 | device->plugin->init((char *)filename); | |
8a2efef2 | 106 | sr_session_device_add(device); |
7d658874 BV |
107 | device->plugin->set_configuration(devcnt, SR_HWCAP_CAPTUREFILE, val); |
108 | g_ptr_array_add(capturefiles, val); | |
109 | } else if (!strcmp(keys[j], "samplerate")) { | |
110 | tmp_u64 = sr_parse_sizestring(val); | |
111 | device->plugin->set_configuration(devcnt, SR_HWCAP_SAMPLERATE, &tmp_u64); | |
112 | } else if (!strcmp(keys[j], "unitsize")) { | |
113 | tmp_u64 = strtoull(val, NULL, 10); | |
114 | device->plugin->set_configuration(devcnt, SR_HWCAP_CAPTURE_UNITSIZE, &tmp_u64); | |
115 | } else if (!strcmp(keys[j], "total probes")) { | |
116 | total_probes = strtoull(val, NULL, 10); | |
117 | device->plugin->set_configuration(devcnt, SR_HWCAP_CAPTURE_NUM_PROBES, &total_probes); | |
118 | for (p = 1; p <= total_probes; p++) | |
2bf4aca6 | 119 | sr_device_probe_add(device, NULL); |
7d658874 BV |
120 | } else if (!strncmp(keys[j], "probe", 5)) { |
121 | if (!device) | |
122 | continue; | |
123 | enabled_probes++; | |
124 | tmp_u64 = strtoul(keys[j]+5, NULL, 10); | |
2bf4aca6 | 125 | sr_device_probe_name(device, tmp_u64, val); |
7d658874 BV |
126 | } else if (!strncmp(keys[j], "trigger", 7)) { |
127 | probenum = strtoul(keys[j]+7, NULL, 10); | |
2bf4aca6 | 128 | sr_device_trigger_set(device, probenum, val); |
7d658874 BV |
129 | } |
130 | } | |
131 | g_strfreev(keys); | |
132 | for (p = enabled_probes; p < total_probes; p++) { | |
133 | probe = g_slist_nth_data(device->probes, p); | |
134 | probe->enabled = FALSE; | |
135 | } | |
136 | } | |
137 | } | |
138 | g_strfreev(sections); | |
139 | g_key_file_free(kf); | |
140 | ||
141 | return SR_OK; | |
142 | } | |
143 | ||
8225e921 | 144 | int sr_session_save(const char *filename) |
7d658874 BV |
145 | { |
146 | GSList *l, *p, *d; | |
147 | FILE *meta; | |
148 | struct sr_device *device; | |
1afe8989 | 149 | struct sr_probe *probe; |
c4911129 | 150 | struct sr_datastore *ds; |
7d658874 BV |
151 | struct zip *zipfile; |
152 | struct zip_source *versrc, *metasrc, *logicsrc; | |
153 | int bufcnt, devcnt, tmpfile, ret, error, probecnt; | |
154 | uint64_t samplerate; | |
4a1b18f8 | 155 | char version[1], rawname[16], metafile[32], *buf, *s; |
7d658874 BV |
156 | |
157 | /* Quietly delete it first, libzip wants replace ops otherwise. */ | |
4a1b18f8 BV |
158 | unlink(filename); |
159 | if (!(zipfile = zip_open(filename, ZIP_CREATE, &error))) | |
7d658874 | 160 | return SR_ERR; |
7d658874 BV |
161 | |
162 | /* "version" */ | |
163 | version[0] = '1'; | |
164 | if (!(versrc = zip_source_buffer(zipfile, version, 1, 0))) | |
165 | return SR_ERR; | |
166 | if (zip_add(zipfile, "version", versrc) == -1) { | |
b08024a8 UH |
167 | sr_info("error saving version into zipfile: %s", |
168 | zip_strerror(zipfile)); | |
7d658874 BV |
169 | return SR_ERR; |
170 | } | |
171 | ||
172 | /* init "metadata" */ | |
173 | strcpy(metafile, "sigrok-meta-XXXXXX"); | |
174 | if ((tmpfile = g_mkstemp(metafile)) == -1) | |
175 | return SR_ERR; | |
176 | close(tmpfile); | |
868d8cef | 177 | meta = g_fopen(metafile, "wb"); |
7d658874 BV |
178 | fprintf(meta, "[global]\n"); |
179 | fprintf(meta, "sigrok version = %s\n", PACKAGE_VERSION); | |
180 | /* TODO: save protocol decoders used */ | |
181 | ||
182 | /* all datastores in all devices */ | |
183 | devcnt = 1; | |
184 | for (l = session->devices; l; l = l->next) { | |
185 | device = l->data; | |
186 | /* metadata */ | |
187 | fprintf(meta, "[device %d]\n", devcnt); | |
188 | if (device->plugin) | |
189 | fprintf(meta, "driver = %s\n", device->plugin->name); | |
190 | ||
191 | ds = device->datastore; | |
192 | if (ds) { | |
193 | /* metadata */ | |
194 | fprintf(meta, "capturefile = logic-%d\n", devcnt); | |
195 | fprintf(meta, "unitsize = %d\n", ds->ds_unitsize); | |
196 | fprintf(meta, "total probes = %d\n", g_slist_length(device->probes)); | |
2bf4aca6 | 197 | if (sr_device_has_hwcap(device, SR_HWCAP_SAMPLERATE)) { |
7d658874 BV |
198 | samplerate = *((uint64_t *) device->plugin->get_device_info( |
199 | device->plugin_index, SR_DI_CUR_SAMPLERATE)); | |
200 | s = sr_samplerate_string(samplerate); | |
201 | fprintf(meta, "samplerate = %s\n", s); | |
202 | free(s); | |
203 | } | |
204 | probecnt = 1; | |
205 | for (p = device->probes; p; p = p->next) { | |
206 | probe = p->data; | |
207 | if (probe->enabled) { | |
208 | if (probe->name) | |
209 | fprintf(meta, "probe%d = %s\n", probecnt, probe->name); | |
210 | if (probe->trigger) | |
211 | fprintf(meta, " trigger%d = %s\n", probecnt, probe->trigger); | |
212 | probecnt++; | |
213 | } | |
214 | } | |
215 | ||
216 | /* dump datastore into logic-n */ | |
217 | buf = malloc(ds->num_units * ds->ds_unitsize + | |
218 | DATASTORE_CHUNKSIZE); | |
219 | bufcnt = 0; | |
220 | for (d = ds->chunklist; d; d = d->next) { | |
221 | memcpy(buf + bufcnt, d->data, | |
222 | DATASTORE_CHUNKSIZE); | |
223 | bufcnt += DATASTORE_CHUNKSIZE; | |
224 | } | |
225 | if (!(logicsrc = zip_source_buffer(zipfile, buf, | |
226 | ds->num_units * ds->ds_unitsize, TRUE))) | |
227 | return SR_ERR; | |
228 | snprintf(rawname, 15, "logic-%d", devcnt); | |
229 | if (zip_add(zipfile, rawname, logicsrc) == -1) | |
230 | return SR_ERR; | |
231 | } | |
232 | devcnt++; | |
233 | } | |
234 | fclose(meta); | |
235 | ||
236 | if (!(metasrc = zip_source_file(zipfile, metafile, 0, -1))) | |
237 | return SR_ERR; | |
238 | if (zip_add(zipfile, "metadata", metasrc) == -1) | |
239 | return SR_ERR; | |
240 | ||
241 | if ((ret = zip_close(zipfile)) == -1) { | |
b08024a8 | 242 | sr_info("error saving zipfile: %s", zip_strerror(zipfile)); |
7d658874 BV |
243 | return SR_ERR; |
244 | } | |
245 | ||
246 | unlink(metafile); | |
247 | ||
248 | return SR_OK; | |
249 | } |