| 1 | // =============================================================== // |
|---|
| 2 | // // |
|---|
| 3 | // File : ad_core.cxx // |
|---|
| 4 | // Purpose : // |
|---|
| 5 | // // |
|---|
| 6 | // Institute of Microbiology (Technical University Munich) // |
|---|
| 7 | // http://www.arb-home.de/ // |
|---|
| 8 | // // |
|---|
| 9 | // =============================================================== // |
|---|
| 10 | |
|---|
| 11 | #include "gb_ts.h" |
|---|
| 12 | #include "gb_index.h" |
|---|
| 13 | #include "gb_localdata.h" |
|---|
| 14 | #include "ad_hcb.h" |
|---|
| 15 | |
|---|
| 16 | // Copy all info + external data mem to an one step undo buffer |
|---|
| 17 | // (needed to abort transactions) |
|---|
| 18 | |
|---|
| 19 | inline void _GB_CHECK_IN_UNDO_DELETE(GB_MAIN_TYPE *Main, GBDATA *& gbd) { |
|---|
| 20 | if (Main->undo_type) gb_check_in_undo_delete(Main, gbd); |
|---|
| 21 | else gb_delete_entry(gbd); |
|---|
| 22 | } |
|---|
| 23 | inline void _GB_CHECK_IN_UNDO_CREATE(GB_MAIN_TYPE *Main, GBDATA *gbd) { |
|---|
| 24 | if (Main->undo_type) gb_check_in_undo_create(Main, gbd); |
|---|
| 25 | } |
|---|
| 26 | inline void _GB_CHECK_IN_UNDO_MODIFY(GB_MAIN_TYPE *Main, GBDATA *gbd) { |
|---|
| 27 | if (Main->undo_type) gb_check_in_undo_modify(Main, gbd); |
|---|
| 28 | } |
|---|
| 29 | |
|---|
| 30 | // --------------------------- |
|---|
| 31 | // trigger callbacks |
|---|
| 32 | // (i.e. add them to pending callbacks) |
|---|
| 33 | |
|---|
| 34 | void GB_MAIN_TYPE::callback_group::trigger(GBDATA *gbd, GB_CB_TYPE type, gb_callback_list *dataCBs) { |
|---|
| 35 | gb_assert(implicated(!gbd->ext, gbd->is_container())); // expect old data was saved in ext (for normal data entries) |
|---|
| 36 | if (hierarchy_cbs) { |
|---|
| 37 | for (gb_hierarchy_callback_list::itertype cb = hierarchy_cbs->callbacks.begin(); cb != hierarchy_cbs->callbacks.end(); ++cb) { |
|---|
| 38 | if ((cb->spec.get_type() & type) && cb->triggered_by(gbd)) { |
|---|
| 39 | pending.add_unchecked(gb_triggered_callback(gbd, gbd->get_oldData(), cb->spec)); |
|---|
| 40 | } |
|---|
| 41 | } |
|---|
| 42 | } |
|---|
| 43 | if (dataCBs) { |
|---|
| 44 | for (gb_callback_list::itertype cb = dataCBs->callbacks.begin(); cb != dataCBs->callbacks.end(); ++cb) { |
|---|
| 45 | if (cb->spec.get_type() & type) { |
|---|
| 46 | pending.add_unchecked(gb_triggered_callback(gbd, gbd->get_oldData(), cb->spec)); |
|---|
| 47 | } |
|---|
| 48 | } |
|---|
| 49 | } |
|---|
| 50 | } |
|---|
| 51 | |
|---|
| 52 | inline void GB_MAIN_TYPE::trigger_change_callbacks(GBDATA *gbd, GB_CB_TYPE type) { |
|---|
| 53 | changeCBs.trigger(gbd, type, gbd->get_callbacks()); |
|---|
| 54 | } |
|---|
| 55 | |
|---|
| 56 | void GB_MAIN_TYPE::trigger_delete_callbacks(GBDATA *gbd) { |
|---|
| 57 | gb_callback_list *cbl = gbd->get_callbacks(); |
|---|
| 58 | if (cbl || deleteCBs.hierarchy_cbs) { |
|---|
| 59 | gb_assert(implicated(cbl, gbd->ext)); // gbd->ext may be NULp if gbd has no callback installed |
|---|
| 60 | |
|---|
| 61 | if (gbd->ext) { |
|---|
| 62 | gbd->ext->callback = NULp; |
|---|
| 63 | if (!gbd->ext->old && gbd->type() != GB_DB) { |
|---|
| 64 | gb_save_extern_data_in_ts(gbd->as_entry()); |
|---|
| 65 | } |
|---|
| 66 | } |
|---|
| 67 | else if (gbd->type() != GB_DB) { |
|---|
| 68 | gbd->create_extended(); |
|---|
| 69 | // gbd->ext->old always NULp here |
|---|
| 70 | gb_save_extern_data_in_ts(gbd->as_entry()); |
|---|
| 71 | } |
|---|
| 72 | |
|---|
| 73 | gb_assert(implicated(!gbd->ext, gbd->is_container())); |
|---|
| 74 | deleteCBs.trigger(gbd, GB_CB_DELETE, cbl); |
|---|
| 75 | |
|---|
| 76 | gb_assert(implicated(gbd->ext, !gbd->ext->callback)); |
|---|
| 77 | delete cbl; |
|---|
| 78 | } |
|---|
| 79 | } |
|---|
| 80 | // --------------------------- |
|---|
| 81 | // GB data management |
|---|
| 82 | |
|---|
| 83 | void gb_touch_entry(GBDATA *gbd, GB_CHANGE val) { |
|---|
| 84 | gbd->flags2.update_in_server = 0; |
|---|
| 85 | GB_ARRAY_FLAGS(gbd).inc_change(val); |
|---|
| 86 | |
|---|
| 87 | GBCONTAINER *gbc = GB_FATHER(gbd); |
|---|
| 88 | gbc->set_touched_idx(gbd->index); |
|---|
| 89 | |
|---|
| 90 | while (1) { |
|---|
| 91 | GBCONTAINER *gbc_father = GB_FATHER(gbc); |
|---|
| 92 | if (!gbc_father) break; |
|---|
| 93 | |
|---|
| 94 | gbc_father->set_touched_idx(gbc->index); |
|---|
| 95 | |
|---|
| 96 | if (gbc->flags2.update_in_server) { |
|---|
| 97 | gbc->flags2.update_in_server = 0; |
|---|
| 98 | } |
|---|
| 99 | else { |
|---|
| 100 | if (GB_ARRAY_FLAGS(gbc).changed >= GB_SON_CHANGED) |
|---|
| 101 | return; |
|---|
| 102 | } |
|---|
| 103 | GB_ARRAY_FLAGS(gbc).inc_change(GB_SON_CHANGED); |
|---|
| 104 | gbc = gbc_father; |
|---|
| 105 | } |
|---|
| 106 | } |
|---|
| 107 | |
|---|
| 108 | void gb_touch_header(GBCONTAINER *gbc) { |
|---|
| 109 | gbc->flags2.header_changed = 1; |
|---|
| 110 | gb_touch_entry(gbc, GB_NORMAL_CHANGE); |
|---|
| 111 | } |
|---|
| 112 | |
|---|
| 113 | |
|---|
| 114 | void gb_untouch_children(GBCONTAINER *gbc) { |
|---|
| 115 | GBDATA *gbd; |
|---|
| 116 | int index, start, end; |
|---|
| 117 | GB_CHANGE changed; |
|---|
| 118 | gb_header_list *header = GB_DATA_LIST_HEADER(gbc->d); |
|---|
| 119 | |
|---|
| 120 | if (gbc->index_of_touched_one_son > 0) { |
|---|
| 121 | start = (int)gbc->index_of_touched_one_son-1; |
|---|
| 122 | end = start + 1; |
|---|
| 123 | } |
|---|
| 124 | else { |
|---|
| 125 | if (!gbc->index_of_touched_one_son) { |
|---|
| 126 | start = end = 0; |
|---|
| 127 | } |
|---|
| 128 | else { |
|---|
| 129 | start = 0; |
|---|
| 130 | end = gbc->d.nheader; |
|---|
| 131 | } |
|---|
| 132 | } |
|---|
| 133 | |
|---|
| 134 | for (index = start; index < end; index++) { |
|---|
| 135 | if ((gbd = GB_HEADER_LIST_GBD(header[index]))) { |
|---|
| 136 | changed = (GB_CHANGE)header[index].flags.changed; |
|---|
| 137 | if (changed != GB_UNCHANGED && changed < GB_DELETED) { |
|---|
| 138 | header[index].flags.changed = GB_UNCHANGED; |
|---|
| 139 | if (gbd->is_container()) { |
|---|
| 140 | gb_untouch_children(gbd->as_container()); |
|---|
| 141 | } |
|---|
| 142 | } |
|---|
| 143 | gbd->flags2.update_in_server = 0; |
|---|
| 144 | } |
|---|
| 145 | } |
|---|
| 146 | gbc->index_of_touched_one_son = 0; |
|---|
| 147 | } |
|---|
| 148 | |
|---|
| 149 | void gb_untouch_me(GBENTRY *gbe) { |
|---|
| 150 | GB_DATA_LIST_HEADER(GB_FATHER(gbe)->d)[gbe->index].flags.changed = GB_UNCHANGED; |
|---|
| 151 | } |
|---|
| 152 | inline void gb_untouch_me(GBCONTAINER *gbc) { |
|---|
| 153 | GB_DATA_LIST_HEADER(GB_FATHER(gbc)->d)[gbc->index].flags.changed = GB_UNCHANGED; |
|---|
| 154 | |
|---|
| 155 | gbc->flags2.header_changed = 0; |
|---|
| 156 | gbc->index_of_touched_one_son = 0; |
|---|
| 157 | } |
|---|
| 158 | |
|---|
| 159 | void gb_untouch_children_and_me(GBCONTAINER *gbc) { |
|---|
| 160 | gb_untouch_children(gbc); |
|---|
| 161 | gb_untouch_me(gbc); |
|---|
| 162 | } |
|---|
| 163 | |
|---|
| 164 | static void gb_set_update_in_server_flags(GBCONTAINER *gbc) { |
|---|
| 165 | for (int index = 0; index < gbc->d.nheader; index++) { |
|---|
| 166 | GBDATA *gbd = GBCONTAINER_ELEM(gbc, index); |
|---|
| 167 | if (gbd) { |
|---|
| 168 | if (gbd->is_container()) { |
|---|
| 169 | gb_set_update_in_server_flags(gbd->as_container()); |
|---|
| 170 | } |
|---|
| 171 | gbd->flags2.update_in_server = 1; |
|---|
| 172 | } |
|---|
| 173 | } |
|---|
| 174 | } |
|---|
| 175 | |
|---|
| 176 | void gb_create_header_array(GBCONTAINER *gbc, int size) { |
|---|
| 177 | // creates or resizes an old array to children |
|---|
| 178 | gb_header_list *nl, *ol; |
|---|
| 179 | |
|---|
| 180 | if (size <= gbc->d.headermemsize) return; |
|---|
| 181 | if (!size) return; |
|---|
| 182 | if (size > 10) size++; |
|---|
| 183 | if (size > 30) size = size*3/2; |
|---|
| 184 | nl = (gb_header_list *)gbm_get_mem(sizeof(gb_header_list)*size, GBM_HEADER_INDEX); |
|---|
| 185 | |
|---|
| 186 | if ((ol=GB_DATA_LIST_HEADER(gbc->d))) { |
|---|
| 187 | int idx; |
|---|
| 188 | int maxidx = gbc->d.headermemsize; // ???: oder ->d.nheader |
|---|
| 189 | |
|---|
| 190 | for (idx=0; idx<maxidx; idx++) { |
|---|
| 191 | GBDATA *gbd = GB_HEADER_LIST_GBD(ol[idx]); |
|---|
| 192 | nl[idx].flags = ol[idx].flags; |
|---|
| 193 | |
|---|
| 194 | if (gbd) { |
|---|
| 195 | gb_assert(gbd->server_id==GBTUM_MAGIC_NUMBER || GB_read_clients(gbd)<0); // or I am a client |
|---|
| 196 | SET_GB_HEADER_LIST_GBD(nl[idx], gbd); |
|---|
| 197 | } |
|---|
| 198 | } |
|---|
| 199 | |
|---|
| 200 | gbm_free_mem(ol, sizeof(gb_header_list)*gbc->d.headermemsize, GBM_HEADER_INDEX); |
|---|
| 201 | } |
|---|
| 202 | |
|---|
| 203 | gbc->d.headermemsize = size; |
|---|
| 204 | SET_GB_DATA_LIST_HEADER(gbc->d, nl); |
|---|
| 205 | } |
|---|
| 206 | |
|---|
| 207 | static void gb_link_entry(GBCONTAINER* father, GBDATA *gbd, long index_pos) { |
|---|
| 208 | /* if index_pos == -1 -> to end of data; |
|---|
| 209 | else special index position; error when data already exists in index pos */ |
|---|
| 210 | |
|---|
| 211 | SET_GB_FATHER(gbd, father); |
|---|
| 212 | if (!father) return; // do not link 'main'-entry! |
|---|
| 213 | |
|---|
| 214 | if (index_pos < 0) { |
|---|
| 215 | index_pos = father->d.nheader++; |
|---|
| 216 | } |
|---|
| 217 | else { |
|---|
| 218 | if (index_pos >= father->d.nheader) { |
|---|
| 219 | father->d.nheader = (int)index_pos+1; |
|---|
| 220 | } |
|---|
| 221 | } |
|---|
| 222 | |
|---|
| 223 | gb_create_header_array(father, (int)index_pos+1); |
|---|
| 224 | |
|---|
| 225 | if (GBCONTAINER_ELEM(father, index_pos)) { |
|---|
| 226 | GB_internal_error("Index of Databaseentry used twice"); |
|---|
| 227 | index_pos = father->d.nheader++; |
|---|
| 228 | gb_create_header_array(father, (int)index_pos+1); |
|---|
| 229 | } |
|---|
| 230 | |
|---|
| 231 | /* the following code skips just-deleted index position, while searching for an unused |
|---|
| 232 | index position. I'm unsure whether this works w/o problems (ralf 2004-Oct-08) */ |
|---|
| 233 | |
|---|
| 234 | while (GB_DATA_LIST_HEADER(father->d)[index_pos].flags.changed >= GB_DELETED) { |
|---|
| 235 | #if defined(DEBUG) |
|---|
| 236 | fprintf(stderr, "Warning: index_pos %li of father(%p) contains just-deleted entry -> using next index_pos..\n", index_pos, father); |
|---|
| 237 | #endif // DEBUG |
|---|
| 238 | index_pos = father->d.nheader++; |
|---|
| 239 | gb_create_header_array(father, (int)index_pos+1); |
|---|
| 240 | } |
|---|
| 241 | |
|---|
| 242 | gbd->index = index_pos; |
|---|
| 243 | SET_GBCONTAINER_ELEM(father, index_pos, gbd); |
|---|
| 244 | father->d.size++; |
|---|
| 245 | } |
|---|
| 246 | |
|---|
| 247 | static void gb_unlink_entry(GBDATA * gbd) { |
|---|
| 248 | GBCONTAINER *father = GB_FATHER(gbd); |
|---|
| 249 | |
|---|
| 250 | if (father) { |
|---|
| 251 | int index_pos = (int)gbd->index; |
|---|
| 252 | gb_header_list *hls = &(GB_DATA_LIST_HEADER(father->d)[index_pos]); |
|---|
| 253 | |
|---|
| 254 | SET_GB_HEADER_LIST_GBD(*hls, NULp); |
|---|
| 255 | hls->flags.key_quark = 0; |
|---|
| 256 | hls->flags.set_change(GB_DELETED); |
|---|
| 257 | father->d.size--; |
|---|
| 258 | SET_GB_FATHER(gbd, NULp); |
|---|
| 259 | } |
|---|
| 260 | } |
|---|
| 261 | |
|---|
| 262 | GB_MAIN_TYPE::GB_MAIN_TYPE(const char *db_path) |
|---|
| 263 | : transaction_level(0), |
|---|
| 264 | aborted_transaction(0), |
|---|
| 265 | i_am_server(false), |
|---|
| 266 | c_link(NULp), |
|---|
| 267 | server_data(NULp), |
|---|
| 268 | dummy_father(NULp), |
|---|
| 269 | root_container(NULp), |
|---|
| 270 | gb_key_data(NULp), |
|---|
| 271 | path(nulldup(db_path)), |
|---|
| 272 | opentype(gb_open_all), |
|---|
| 273 | disabled_path(NULp), |
|---|
| 274 | allow_corrupt_file_recovery(0), |
|---|
| 275 | compression_mask(-1), // allow all compressions |
|---|
| 276 | keycnt(0), |
|---|
| 277 | sizeofkeys(0), |
|---|
| 278 | first_free_key(0), |
|---|
| 279 | keys(NULp), |
|---|
| 280 | key_2_index_hash(GBS_create_hash(ALLOWED_KEYS, GB_MIND_CASE)), |
|---|
| 281 | key_clock(0), |
|---|
| 282 | mapped(false), |
|---|
| 283 | last_updated(0), |
|---|
| 284 | last_saved_time(0), |
|---|
| 285 | last_saved_transaction(0), |
|---|
| 286 | last_main_saved_transaction(0), |
|---|
| 287 | requested_undo_type(GB_UNDO_NONE), |
|---|
| 288 | undo_type(GB_UNDO_NONE), |
|---|
| 289 | undo(NULp), |
|---|
| 290 | security_level(0), |
|---|
| 291 | clock(0), |
|---|
| 292 | remote_hash(NULp), |
|---|
| 293 | close_callbacks(NULp), |
|---|
| 294 | this_user(NULp) |
|---|
| 295 | { |
|---|
| 296 | for (int i = 0; i<ALLOWED_DATES; ++i) dates[i] = NULp; |
|---|
| 297 | for (int i = 0; i<GB_MAX_USERS; ++i) users[i] = NULp; |
|---|
| 298 | |
|---|
| 299 | gb_init_undo_stack(this); |
|---|
| 300 | gb_local->announce_db_open(this); |
|---|
| 301 | } |
|---|
| 302 | |
|---|
| 303 | GB_MAIN_TYPE::~GB_MAIN_TYPE() { |
|---|
| 304 | gb_assert(!dummy_father); |
|---|
| 305 | gb_assert(!root_container); |
|---|
| 306 | |
|---|
| 307 | release_main_idx(); |
|---|
| 308 | |
|---|
| 309 | if (remote_hash) GBS_free_numhash(remote_hash); |
|---|
| 310 | |
|---|
| 311 | free_all_keys(); |
|---|
| 312 | |
|---|
| 313 | if (key_2_index_hash) GBS_free_hash(key_2_index_hash); |
|---|
| 314 | freenull(keys); |
|---|
| 315 | |
|---|
| 316 | gb_free_undo_stack(this); |
|---|
| 317 | |
|---|
| 318 | for (int j = 0; j<ALLOWED_DATES; ++j) freenull(dates[j]); |
|---|
| 319 | |
|---|
| 320 | free(path); |
|---|
| 321 | free(disabled_path); |
|---|
| 322 | free(qs.quick_save_disabled); |
|---|
| 323 | |
|---|
| 324 | gb_local->announce_db_close(this); |
|---|
| 325 | } |
|---|
| 326 | |
|---|
| 327 | GBDATA *gb_make_pre_defined_entry(GBCONTAINER *father, GBDATA *gbd, long index_pos, GBQUARK keyq) { |
|---|
| 328 | // inserts an object into the dabase hierarchy |
|---|
| 329 | GB_MAIN_TYPE *Main = GBCONTAINER_MAIN(father); |
|---|
| 330 | |
|---|
| 331 | SET_GB_FATHER(gbd, father); |
|---|
| 332 | if (Main->is_server()) { |
|---|
| 333 | gbd->server_id = GBTUM_MAGIC_NUMBER; |
|---|
| 334 | } |
|---|
| 335 | if (Main->clock) { |
|---|
| 336 | gbd->create_extended(); |
|---|
| 337 | gbd->touch_creation(Main->clock); |
|---|
| 338 | } |
|---|
| 339 | |
|---|
| 340 | gb_link_entry(father, gbd, index_pos); |
|---|
| 341 | gb_write_index_key(father, gbd->index, keyq); |
|---|
| 342 | |
|---|
| 343 | return gbd; |
|---|
| 344 | } |
|---|
| 345 | |
|---|
| 346 | static void gb_write_key(GBDATA *gbd, const char *s) { |
|---|
| 347 | GB_MAIN_TYPE *Main = GB_MAIN(gbd); |
|---|
| 348 | GBQUARK new_index = GBS_read_hash(Main->key_2_index_hash, s); |
|---|
| 349 | if (!new_index) new_index = (int)gb_create_key(Main, s, true); // create new index |
|---|
| 350 | gb_write_index_key(GB_FATHER(gbd), gbd->index, new_index); |
|---|
| 351 | } |
|---|
| 352 | |
|---|
| 353 | GBENTRY *gb_make_entry(GBCONTAINER *father, const char *key, long index_pos, GBQUARK keyq, GB_TYPES type) { |
|---|
| 354 | // creates a terminal database object |
|---|
| 355 | GB_MAIN_TYPE *Main = GBCONTAINER_MAIN(father); |
|---|
| 356 | |
|---|
| 357 | if (!keyq) keyq = gb_find_or_create_quark(Main, key); |
|---|
| 358 | |
|---|
| 359 | long gbm_index = quark2gbmindex(Main, keyq); |
|---|
| 360 | GBENTRY *gbe = (GBENTRY*)gbm_get_mem(sizeof(GBENTRY), gbm_index); |
|---|
| 361 | |
|---|
| 362 | GB_GBM_INDEX(gbe) = gbm_index; |
|---|
| 363 | SET_GB_FATHER(gbe, father); |
|---|
| 364 | |
|---|
| 365 | switch (type) { |
|---|
| 366 | case GB_STRING_SHRT: |
|---|
| 367 | type = GB_STRING; |
|---|
| 368 | // fall-through |
|---|
| 369 | case GB_STRING: |
|---|
| 370 | gbe->insert_data("", 0, 1); |
|---|
| 371 | break; |
|---|
| 372 | case GB_OBSOLETE: |
|---|
| 373 | gbe->flags.temporary = 1; // exclude obsolete type from next save |
|---|
| 374 | break; |
|---|
| 375 | default: |
|---|
| 376 | break; |
|---|
| 377 | } |
|---|
| 378 | gbe->flags.type = type; |
|---|
| 379 | |
|---|
| 380 | if (Main->is_server()) { |
|---|
| 381 | gbe->server_id = GBTUM_MAGIC_NUMBER; |
|---|
| 382 | } |
|---|
| 383 | if (Main->clock) { |
|---|
| 384 | gbe->create_extended(); |
|---|
| 385 | gbe->touch_creation(Main->clock); |
|---|
| 386 | } |
|---|
| 387 | |
|---|
| 388 | gb_link_entry(father, gbe, index_pos); |
|---|
| 389 | if (key) gb_write_key(gbe, key); |
|---|
| 390 | else gb_write_index_key(father, gbe->index, keyq); |
|---|
| 391 | |
|---|
| 392 | return gbe; |
|---|
| 393 | } |
|---|
| 394 | |
|---|
| 395 | GBCONTAINER *gb_make_pre_defined_container(GBCONTAINER *father, GBCONTAINER *gbc, long index_pos, GBQUARK keyq) { |
|---|
| 396 | // inserts an object into the dabase hierarchy |
|---|
| 397 | GB_MAIN_TYPE *Main = GBCONTAINER_MAIN(father); |
|---|
| 398 | |
|---|
| 399 | SET_GB_FATHER(gbc, father); |
|---|
| 400 | gbc->main_idx = father->main_idx; |
|---|
| 401 | |
|---|
| 402 | if (Main->is_server()) gbc->server_id = GBTUM_MAGIC_NUMBER; |
|---|
| 403 | if (Main->clock) { |
|---|
| 404 | gbc->create_extended(); |
|---|
| 405 | gbc->touch_creation(Main->clock); |
|---|
| 406 | } |
|---|
| 407 | gb_link_entry(father, gbc, index_pos); |
|---|
| 408 | gb_write_index_key(father, gbc->index, keyq); |
|---|
| 409 | |
|---|
| 410 | return gbc; |
|---|
| 411 | } |
|---|
| 412 | |
|---|
| 413 | |
|---|
| 414 | GBCONTAINER *gb_make_container(GBCONTAINER *father, const char *key, long index_pos, GBQUARK keyq) { |
|---|
| 415 | GBCONTAINER *gbc; |
|---|
| 416 | |
|---|
| 417 | if (father) { |
|---|
| 418 | GB_MAIN_TYPE *Main = GBCONTAINER_MAIN(father); |
|---|
| 419 | |
|---|
| 420 | if (!keyq) keyq = gb_find_or_create_NULL_quark(Main, key); |
|---|
| 421 | long gbm_index = quark2gbmindex(Main, keyq); |
|---|
| 422 | gbc = (GBCONTAINER *)gbm_get_mem(sizeof(GBCONTAINER), gbm_index); |
|---|
| 423 | GB_GBM_INDEX(gbc) = gbm_index; |
|---|
| 424 | |
|---|
| 425 | SET_GB_FATHER(gbc, father); |
|---|
| 426 | gbc->flags.type = GB_DB; |
|---|
| 427 | gbc->main_idx = father->main_idx; |
|---|
| 428 | if (Main->is_server()) gbc->server_id = GBTUM_MAGIC_NUMBER; |
|---|
| 429 | if (Main->clock) { |
|---|
| 430 | gbc->create_extended(); |
|---|
| 431 | gbc->touch_creation(Main->clock); |
|---|
| 432 | } |
|---|
| 433 | gb_link_entry(father, gbc, index_pos); |
|---|
| 434 | if (key) gb_write_key(gbc, key); |
|---|
| 435 | else gb_write_index_key(father, gbc->index, keyq); |
|---|
| 436 | } |
|---|
| 437 | else { // main entry |
|---|
| 438 | gbc = (GBCONTAINER *) gbm_get_mem(sizeof(GBCONTAINER), 0); |
|---|
| 439 | gbc->flags.type = GB_DB; |
|---|
| 440 | } |
|---|
| 441 | |
|---|
| 442 | return gbc; |
|---|
| 443 | } |
|---|
| 444 | |
|---|
| 445 | void gb_pre_delete_entry(GBDATA *gbd) { |
|---|
| 446 | // Reduce an entry to its absolute minimum and remove it from database |
|---|
| 447 | GB_MAIN_TYPE *Main = GB_MAIN_NO_FATHER(gbd); |
|---|
| 448 | GB_TYPES type = gbd->type(); |
|---|
| 449 | |
|---|
| 450 | Main->trigger_delete_callbacks(gbd); |
|---|
| 451 | |
|---|
| 452 | { |
|---|
| 453 | GBCONTAINER *gb_father = GB_FATHER(gbd); |
|---|
| 454 | if (gb_father) gb_write_index_key(gb_father, gbd->index, 0); |
|---|
| 455 | } |
|---|
| 456 | gb_unlink_entry(gbd); |
|---|
| 457 | |
|---|
| 458 | /* as soon as an entry is deleted, there is |
|---|
| 459 | * no need to keep track of the database entry |
|---|
| 460 | * within the server at the client side |
|---|
| 461 | */ |
|---|
| 462 | if (Main->is_client() && gbd->server_id) { |
|---|
| 463 | if (Main->remote_hash) GBS_write_numhash(Main->remote_hash, gbd->server_id, 0); |
|---|
| 464 | } |
|---|
| 465 | |
|---|
| 466 | if (type >= GB_BITS && type < GB_DB) { |
|---|
| 467 | gb_free_cache(Main, gbd->as_entry()); // cant use gb_uncache (since entry is already unlinked!) |
|---|
| 468 | } |
|---|
| 469 | GB_FREE_TRANSACTION_SAVE(gbd); |
|---|
| 470 | gbd->destroy_extended(); |
|---|
| 471 | } |
|---|
| 472 | |
|---|
| 473 | static void gb_delete_entry(GBCONTAINER*& gbc) { |
|---|
| 474 | long gbm_index = GB_GBM_INDEX(gbc); |
|---|
| 475 | |
|---|
| 476 | gb_assert(gbc->type() == GB_DB); |
|---|
| 477 | |
|---|
| 478 | for (long index = 0; index < gbc->d.nheader; index++) { |
|---|
| 479 | GBDATA *gbd = GBCONTAINER_ELEM(gbc, index); |
|---|
| 480 | if (gbd) { |
|---|
| 481 | gb_delete_entry(gbd); |
|---|
| 482 | SET_GBCONTAINER_ELEM(gbc, index, NULp); |
|---|
| 483 | } |
|---|
| 484 | } |
|---|
| 485 | |
|---|
| 486 | gb_pre_delete_entry(gbc); |
|---|
| 487 | |
|---|
| 488 | // what is left now, is the core database entry! |
|---|
| 489 | |
|---|
| 490 | gb_destroy_indices(gbc); |
|---|
| 491 | gb_header_list *hls; |
|---|
| 492 | |
|---|
| 493 | if ((hls=GB_DATA_LIST_HEADER(gbc->d))) { |
|---|
| 494 | gbm_free_mem(hls, sizeof(gb_header_list) * gbc->d.headermemsize, GBM_HEADER_INDEX); |
|---|
| 495 | } |
|---|
| 496 | gbm_free_mem(gbc, sizeof(GBCONTAINER), gbm_index); |
|---|
| 497 | |
|---|
| 498 | gbc = NULp; // avoid further usage |
|---|
| 499 | } |
|---|
| 500 | |
|---|
| 501 | static void gb_delete_entry(GBENTRY*& gbe) { |
|---|
| 502 | long gbm_index = GB_GBM_INDEX(gbe); |
|---|
| 503 | |
|---|
| 504 | gb_pre_delete_entry(gbe); |
|---|
| 505 | if (gbe->type() >= GB_BITS) gbe->free_data(); |
|---|
| 506 | gbm_free_mem(gbe, sizeof(GBENTRY), gbm_index); |
|---|
| 507 | |
|---|
| 508 | gbe = NULp; // avoid further usage |
|---|
| 509 | } |
|---|
| 510 | |
|---|
| 511 | void gb_delete_entry(GBDATA*& gbd) { |
|---|
| 512 | if (gbd->is_container()) { |
|---|
| 513 | gb_delete_entry(reinterpret_cast<GBCONTAINER*&>(gbd)); |
|---|
| 514 | } |
|---|
| 515 | else { |
|---|
| 516 | gb_delete_entry(reinterpret_cast<GBENTRY*&>(gbd)); |
|---|
| 517 | } |
|---|
| 518 | } |
|---|
| 519 | |
|---|
| 520 | static void gb_delete_main_entry(GBCONTAINER*& gb_main) { |
|---|
| 521 | GBQUARK sys_quark = key2quark(GB_MAIN(gb_main), GB_SYSTEM_FOLDER); |
|---|
| 522 | |
|---|
| 523 | // Note: sys_quark may be 0 (happens when destroying client db which never established a connection). |
|---|
| 524 | // In this case no system folder/quark has been created (and we do no longer try to create it) |
|---|
| 525 | // Nothing will happen in pass 2 below. |
|---|
| 526 | |
|---|
| 527 | for (int pass = 1; pass <= 2; pass++) { |
|---|
| 528 | for (int index = 0; index < gb_main->d.nheader; index++) { |
|---|
| 529 | GBDATA *gbd = GBCONTAINER_ELEM(gb_main, index); |
|---|
| 530 | if (gbd) { |
|---|
| 531 | // delay deletion of system folder to pass 2: |
|---|
| 532 | if (pass == 2 || GB_KEY_QUARK(gbd) != sys_quark) { |
|---|
| 533 | gb_delete_entry(gbd); |
|---|
| 534 | SET_GBCONTAINER_ELEM(gb_main, index, NULp); |
|---|
| 535 | } |
|---|
| 536 | } |
|---|
| 537 | } |
|---|
| 538 | } |
|---|
| 539 | gb_delete_entry(gb_main); |
|---|
| 540 | } |
|---|
| 541 | |
|---|
| 542 | void gb_delete_dummy_father(GBCONTAINER*& gbc) { |
|---|
| 543 | gb_assert(!GB_FATHER(gbc)); |
|---|
| 544 | |
|---|
| 545 | GB_MAIN_TYPE *Main = GB_MAIN(gbc); |
|---|
| 546 | for (int index = 0; index < gbc->d.nheader; index++) { |
|---|
| 547 | GBDATA *gbd = GBCONTAINER_ELEM(gbc, index); |
|---|
| 548 | if (gbd) { |
|---|
| 549 | // dummy fathers should only have one element (which is the root_container) |
|---|
| 550 | GBCONTAINER *gb_main = gbd->as_container(); |
|---|
| 551 | gb_assert(gb_main == Main->root_container); |
|---|
| 552 | |
|---|
| 553 | gb_delete_main_entry(gb_main); |
|---|
| 554 | SET_GBCONTAINER_ELEM(gbc, index, NULp); |
|---|
| 555 | Main->root_container = NULp; |
|---|
| 556 | } |
|---|
| 557 | } |
|---|
| 558 | |
|---|
| 559 | gb_delete_entry(gbc); |
|---|
| 560 | } |
|---|
| 561 | |
|---|
| 562 | // --------------------- |
|---|
| 563 | // Data Storage |
|---|
| 564 | |
|---|
| 565 | static gb_transaction_save *gb_new_gb_transaction_save(GBENTRY *gbe) { |
|---|
| 566 | // Note: does not increment the refcounter |
|---|
| 567 | gb_transaction_save *ts = (gb_transaction_save *)gbm_get_mem(sizeof(gb_transaction_save), GBM_CB_INDEX); |
|---|
| 568 | |
|---|
| 569 | ts->flags = gbe->flags; |
|---|
| 570 | ts->flags2 = gbe->flags2; |
|---|
| 571 | |
|---|
| 572 | if (gbe->stored_external()) { |
|---|
| 573 | ts->info.ex.data = gbe->info.ex.get_data(); |
|---|
| 574 | ts->info.ex.memsize = gbe->info.ex.memsize; |
|---|
| 575 | ts->info.ex.size = gbe->info.ex.size; |
|---|
| 576 | } |
|---|
| 577 | else { |
|---|
| 578 | memcpy(&(ts->info), &(gbe->info), sizeof(gbe->info)); |
|---|
| 579 | } |
|---|
| 580 | |
|---|
| 581 | ts->refcount = 1; |
|---|
| 582 | |
|---|
| 583 | return ts; |
|---|
| 584 | } |
|---|
| 585 | |
|---|
| 586 | void gb_add_ref_gb_transaction_save(gb_transaction_save *ts) { |
|---|
| 587 | if (!ts) return; |
|---|
| 588 | ts->refcount ++; |
|---|
| 589 | } |
|---|
| 590 | |
|---|
| 591 | void gb_del_ref_gb_transaction_save(gb_transaction_save *ts) { |
|---|
| 592 | if (!ts) return; |
|---|
| 593 | ts->refcount --; |
|---|
| 594 | if (ts->refcount <= 0) { // no more references !!!! |
|---|
| 595 | if (ts->stored_external()) { |
|---|
| 596 | if (ts->info.ex.data) { |
|---|
| 597 | gbm_free_mem(ts->info.ex.data, |
|---|
| 598 | ts->info.ex.memsize, |
|---|
| 599 | ts->flags2.gbm_index); |
|---|
| 600 | } |
|---|
| 601 | } |
|---|
| 602 | gbm_free_mem(ts, sizeof(gb_transaction_save), GBM_CB_INDEX); |
|---|
| 603 | } |
|---|
| 604 | } |
|---|
| 605 | |
|---|
| 606 | void gb_del_ref_and_extern_gb_transaction_save(gb_transaction_save *ts) { |
|---|
| 607 | // remove reference to undo entry and set extern pointer to zero |
|---|
| 608 | if (ts->stored_external()) { |
|---|
| 609 | ts->info.ex.data = NULp; |
|---|
| 610 | } |
|---|
| 611 | gb_del_ref_gb_transaction_save(ts); |
|---|
| 612 | } |
|---|
| 613 | |
|---|
| 614 | static void gb_abortdata(GBENTRY *gbe) { |
|---|
| 615 | gb_transaction_save *old; |
|---|
| 616 | |
|---|
| 617 | gbe->index_check_out(); |
|---|
| 618 | old = gbe->ext->old; |
|---|
| 619 | gb_assert(old); |
|---|
| 620 | |
|---|
| 621 | gbe->flags = old->flags; |
|---|
| 622 | gbe->flags2 = old->flags2; |
|---|
| 623 | |
|---|
| 624 | if (old->stored_external()) { |
|---|
| 625 | gbe->info.ex.set_data(old->info.ex.data); |
|---|
| 626 | gbe->info.ex.memsize = old->info.ex.memsize; |
|---|
| 627 | gbe->info.ex.size = old->info.ex.size; |
|---|
| 628 | } |
|---|
| 629 | else { |
|---|
| 630 | memcpy(&(gbe->info), &(old->info), sizeof(old->info)); |
|---|
| 631 | } |
|---|
| 632 | gb_del_ref_and_extern_gb_transaction_save(old); |
|---|
| 633 | gbe->ext->old = NULp; |
|---|
| 634 | |
|---|
| 635 | gbe->index_re_check_in(); |
|---|
| 636 | } |
|---|
| 637 | |
|---|
| 638 | |
|---|
| 639 | void gb_save_extern_data_in_ts(GBENTRY *gbe) { |
|---|
| 640 | /* Saves gbe->info into gbe->ext->old |
|---|
| 641 | * Destroys gbe->info! |
|---|
| 642 | * Don't call with GBCONTAINER |
|---|
| 643 | */ |
|---|
| 644 | |
|---|
| 645 | gbe->create_extended(); |
|---|
| 646 | gbe->index_check_out(); |
|---|
| 647 | if (gbe->ext->old || (GB_ARRAY_FLAGS(gbe).changed == GB_CREATED)) { |
|---|
| 648 | gbe->free_data(); |
|---|
| 649 | } |
|---|
| 650 | else { |
|---|
| 651 | gbe->ext->old = gb_new_gb_transaction_save(gbe); |
|---|
| 652 | gbe->info.ex.set_data(NULp); |
|---|
| 653 | } |
|---|
| 654 | } |
|---|
| 655 | |
|---|
| 656 | |
|---|
| 657 | // ----------------------- |
|---|
| 658 | // Key Management |
|---|
| 659 | |
|---|
| 660 | void gb_write_index_key(GBCONTAINER *father, long index, GBQUARK new_index) { |
|---|
| 661 | // Set the key quark of an database field. |
|---|
| 662 | // Check for indexing data field. |
|---|
| 663 | |
|---|
| 664 | GB_MAIN_TYPE *Main = GBCONTAINER_MAIN(father); |
|---|
| 665 | gb_header_list *hls = GB_DATA_LIST_HEADER(father->d); |
|---|
| 666 | GBQUARK old_index = hls[index].flags.key_quark; |
|---|
| 667 | |
|---|
| 668 | Main->keys[old_index].nref--; |
|---|
| 669 | Main->keys[new_index].nref++; |
|---|
| 670 | |
|---|
| 671 | if (Main->is_server()) { |
|---|
| 672 | GBDATA *gbd = GB_HEADER_LIST_GBD(hls[index]); |
|---|
| 673 | |
|---|
| 674 | if (gbd && gbd->is_indexable()) { |
|---|
| 675 | GBENTRY *gbe = gbd->as_entry(); |
|---|
| 676 | gb_index_files *ifs = NULp; |
|---|
| 677 | |
|---|
| 678 | gbe->index_check_out(); |
|---|
| 679 | gbe->flags2.should_be_indexed = 0; // do not re-checkin |
|---|
| 680 | |
|---|
| 681 | GBCONTAINER *gfather = GB_FATHER(father); |
|---|
| 682 | if (gfather) { |
|---|
| 683 | for (ifs = GBCONTAINER_IFS(gfather); ifs; ifs = GB_INDEX_FILES_NEXT(ifs)) { |
|---|
| 684 | if (ifs->key == new_index) break; |
|---|
| 685 | } |
|---|
| 686 | } |
|---|
| 687 | hls[index].flags.key_quark = new_index; |
|---|
| 688 | if (ifs) gbe->index_check_in(); |
|---|
| 689 | |
|---|
| 690 | return; |
|---|
| 691 | } |
|---|
| 692 | } |
|---|
| 693 | |
|---|
| 694 | hls[index].flags.key_quark = new_index; |
|---|
| 695 | } |
|---|
| 696 | |
|---|
| 697 | void gb_create_key_array(GB_MAIN_TYPE *Main, int index) { |
|---|
| 698 | if (index >= Main->sizeofkeys) { |
|---|
| 699 | Main->sizeofkeys = Main->keys ? index*3/2+1 : 1000; |
|---|
| 700 | ARB_recalloc(Main->keys, Main->keycnt, Main->sizeofkeys); |
|---|
| 701 | for (int i = Main->keycnt; i < Main->sizeofkeys; i++) { |
|---|
| 702 | Main->keys[i].compression_mask = -1; |
|---|
| 703 | } |
|---|
| 704 | } |
|---|
| 705 | gb_assert(index<Main->sizeofkeys); |
|---|
| 706 | } |
|---|
| 707 | |
|---|
| 708 | long gb_create_key(GB_MAIN_TYPE *Main, const char *key, bool create_gb_key) { |
|---|
| 709 | long index; |
|---|
| 710 | if (Main->first_free_key) { |
|---|
| 711 | index = Main->first_free_key; |
|---|
| 712 | Main->first_free_key = Main->keys[index].next_free_key; |
|---|
| 713 | Main->keys[index].next_free_key = 0; |
|---|
| 714 | } |
|---|
| 715 | else { |
|---|
| 716 | index = Main->keycnt++; |
|---|
| 717 | gb_create_key_array(Main, (int)index+1); |
|---|
| 718 | } |
|---|
| 719 | if (Main->is_client()) { |
|---|
| 720 | long test_index = gbcmc_key_alloc(Main->gb_main(), key); |
|---|
| 721 | if (test_index != index) { |
|---|
| 722 | if (test_index == 0) { // comm error |
|---|
| 723 | GBK_terminatef("Allocating quark for '%s' failed (Reason: %s)", key, GB_await_error()); |
|---|
| 724 | } |
|---|
| 725 | else { |
|---|
| 726 | GBK_terminatef("Database corrupt (allocating quark '%s' in server failed)", key); |
|---|
| 727 | } |
|---|
| 728 | } |
|---|
| 729 | } |
|---|
| 730 | Main->keys[index].nref = 0; |
|---|
| 731 | |
|---|
| 732 | if (key) { |
|---|
| 733 | if (!key[0]) GBK_terminate("Attempt to allocate empty key"); |
|---|
| 734 | |
|---|
| 735 | Main->keys[index].key = ARB_strdup(key); |
|---|
| 736 | GBS_write_hash(Main->key_2_index_hash, key, index); |
|---|
| 737 | gb_assert(GBS_hash_elements(Main->key_2_index_hash) <= ALLOWED_KEYS); |
|---|
| 738 | if (Main->gb_key_data && create_gb_key) { |
|---|
| 739 | gb_load_single_key_data(Main->gb_main(), (GBQUARK)index); |
|---|
| 740 | // Warning: starts a big recursion |
|---|
| 741 | if (Main->is_client()) { // send new gb_key to server, needed for searching |
|---|
| 742 | GBK_terminate_on_error(Main->send_update_to_server(Main->gb_main())); |
|---|
| 743 | } |
|---|
| 744 | } |
|---|
| 745 | } |
|---|
| 746 | |
|---|
| 747 | |
|---|
| 748 | Main->key_clock = Main->clock; |
|---|
| 749 | return index; |
|---|
| 750 | } |
|---|
| 751 | |
|---|
| 752 | void GB_MAIN_TYPE::free_all_keys() { |
|---|
| 753 | if (keys) { |
|---|
| 754 | for (long index = 1; index < keycnt; index++) { |
|---|
| 755 | if (keys[index].key) { |
|---|
| 756 | GBS_write_hash(key_2_index_hash, keys[index].key, 0); |
|---|
| 757 | freenull(keys[index].key); |
|---|
| 758 | } |
|---|
| 759 | keys[index].nref = 0; |
|---|
| 760 | keys[index].next_free_key = 0; |
|---|
| 761 | } |
|---|
| 762 | freenull(keys[0].key); // "main" |
|---|
| 763 | first_free_key = 0; |
|---|
| 764 | keycnt = 1; |
|---|
| 765 | } |
|---|
| 766 | } |
|---|
| 767 | |
|---|
| 768 | char *gb_abort_entry(GBDATA *gbd) { // @@@ result is always NULp -> remove return value |
|---|
| 769 | GB_ARRAY_FLAGS(gbd).flags = gbd->flags.saved_flags; |
|---|
| 770 | |
|---|
| 771 | if (gbd->is_entry()) { |
|---|
| 772 | GBENTRY *gbe = gbd->as_entry(); |
|---|
| 773 | if (gbe->get_oldData()) { |
|---|
| 774 | if (gbe->type() >= GB_BITS) { |
|---|
| 775 | gb_uncache(gbe); |
|---|
| 776 | gbe->free_data(); |
|---|
| 777 | } |
|---|
| 778 | gb_abortdata(gbe); |
|---|
| 779 | } |
|---|
| 780 | } |
|---|
| 781 | return NULp; |
|---|
| 782 | } |
|---|
| 783 | |
|---|
| 784 | // --------------------- |
|---|
| 785 | // Transactions |
|---|
| 786 | |
|---|
| 787 | void gb_abort_transaction_local_rek(GBDATA*& gbd) { |
|---|
| 788 | // delete created, undo changed |
|---|
| 789 | GB_CHANGE change = (GB_CHANGE)GB_ARRAY_FLAGS(gbd).changed; |
|---|
| 790 | |
|---|
| 791 | switch (change) { |
|---|
| 792 | case GB_UNCHANGED: |
|---|
| 793 | break; |
|---|
| 794 | |
|---|
| 795 | case GB_CREATED: |
|---|
| 796 | GB_PUT_SECURITY_DELETE(gbd, 0); |
|---|
| 797 | gb_delete_entry(gbd); |
|---|
| 798 | break; |
|---|
| 799 | |
|---|
| 800 | case GB_DELETED: |
|---|
| 801 | GB_ARRAY_FLAGS(gbd).changed = GB_UNCHANGED; |
|---|
| 802 | // fall-through |
|---|
| 803 | default: |
|---|
| 804 | if (gbd->is_container()) { |
|---|
| 805 | GBCONTAINER *gbc = gbd->as_container(); |
|---|
| 806 | gb_header_list *hls = GB_DATA_LIST_HEADER(gbc->d); |
|---|
| 807 | |
|---|
| 808 | for (int index = 0; index < gbc->d.nheader; index++) { |
|---|
| 809 | GBDATA *gb = GB_HEADER_LIST_GBD(hls[index]); |
|---|
| 810 | if (gb) gb_abort_transaction_local_rek(gb); |
|---|
| 811 | } |
|---|
| 812 | } |
|---|
| 813 | gb_abort_entry(gbd); |
|---|
| 814 | break; |
|---|
| 815 | } |
|---|
| 816 | } |
|---|
| 817 | |
|---|
| 818 | GB_ERROR gb_commit_transaction_local_rek(GBDATA*& gbd, long mode, int *pson_created) { |
|---|
| 819 | // goes to header: __ATTR__USERESULT |
|---|
| 820 | |
|---|
| 821 | /* commit created / delete deleted |
|---|
| 822 | * mode 0 local = server or |
|---|
| 823 | * begin trans in client or |
|---|
| 824 | * commit_client_in_server |
|---|
| 825 | * mode 1 remote = client |
|---|
| 826 | * mode 2 remote = client (only send updated data) |
|---|
| 827 | */ |
|---|
| 828 | |
|---|
| 829 | GB_MAIN_TYPE *Main = GB_MAIN(gbd); |
|---|
| 830 | GB_CHANGE change = (GB_CHANGE)GB_ARRAY_FLAGS(gbd).changed; |
|---|
| 831 | int son_created = 0; |
|---|
| 832 | GB_ERROR error; |
|---|
| 833 | |
|---|
| 834 | switch (change) { |
|---|
| 835 | case GB_UNCHANGED: |
|---|
| 836 | return NULp; |
|---|
| 837 | |
|---|
| 838 | case GB_DELETED: |
|---|
| 839 | GB_PUT_SECURITY_DELETE(gbd, 0); |
|---|
| 840 | if (mode) { |
|---|
| 841 | if (!gbd->flags2.update_in_server) { |
|---|
| 842 | error = gbcmc_sendupdate_delete(gbd); |
|---|
| 843 | if (error) |
|---|
| 844 | return error; |
|---|
| 845 | gbd->flags2.update_in_server = 1; |
|---|
| 846 | } |
|---|
| 847 | if (mode == 2) return NULp; |
|---|
| 848 | } |
|---|
| 849 | else { |
|---|
| 850 | gbcms_add_to_delete_list(gbd); |
|---|
| 851 | _GB_CHECK_IN_UNDO_DELETE(Main, gbd); |
|---|
| 852 | return NULp; |
|---|
| 853 | } |
|---|
| 854 | gb_delete_entry(gbd); |
|---|
| 855 | return NULp; |
|---|
| 856 | |
|---|
| 857 | case GB_CREATED: |
|---|
| 858 | if (mode) { |
|---|
| 859 | if (!gbd->flags2.update_in_server) { |
|---|
| 860 | if (gbd->server_id) goto gb_changed_label; |
|---|
| 861 | // already created, do only a change |
|---|
| 862 | error = gbcmc_sendupdate_create(gbd); |
|---|
| 863 | if (gbd->is_container()) { |
|---|
| 864 | gb_set_update_in_server_flags(gbd->as_container()); |
|---|
| 865 | // set all children update_in_server flags |
|---|
| 866 | } |
|---|
| 867 | gbd->flags2.update_in_server = 1; |
|---|
| 868 | if (error) return error; |
|---|
| 869 | } |
|---|
| 870 | if (mode == 2) return NULp; |
|---|
| 871 | } |
|---|
| 872 | else { |
|---|
| 873 | _GB_CHECK_IN_UNDO_CREATE(Main, gbd); |
|---|
| 874 | } |
|---|
| 875 | if (pson_created) { |
|---|
| 876 | *pson_created = 1; |
|---|
| 877 | } |
|---|
| 878 | |
|---|
| 879 | if (gbd->flags2.header_changed == 1) { |
|---|
| 880 | gbd->as_container()->header_update_date = Main->clock; |
|---|
| 881 | } |
|---|
| 882 | goto gb_commit_do_callbacks; |
|---|
| 883 | |
|---|
| 884 | case GB_NORMAL_CHANGE: |
|---|
| 885 | if (mode) { |
|---|
| 886 | if (!gbd->flags2.update_in_server) { |
|---|
| 887 | gb_changed_label: |
|---|
| 888 | int send_header = gbd->flags2.header_changed ? 1 : 0; |
|---|
| 889 | error = gbcmc_sendupdate_update(gbd, send_header); |
|---|
| 890 | if (error) return error; |
|---|
| 891 | gbd->flags2.update_in_server = 1; |
|---|
| 892 | } |
|---|
| 893 | } |
|---|
| 894 | else { |
|---|
| 895 | _GB_CHECK_IN_UNDO_MODIFY(Main, gbd); |
|---|
| 896 | } |
|---|
| 897 | // fall-through |
|---|
| 898 | |
|---|
| 899 | default: // means GB_SON_CHANGED + GB_NORMAL_CHANGE |
|---|
| 900 | |
|---|
| 901 | if (gbd->is_container()) { |
|---|
| 902 | GBCONTAINER *gbc = gbd->as_container(); |
|---|
| 903 | gb_header_list *hls = GB_DATA_LIST_HEADER(gbc->d); |
|---|
| 904 | |
|---|
| 905 | int start, end; |
|---|
| 906 | |
|---|
| 907 | if (gbc->index_of_touched_one_son>0) { |
|---|
| 908 | start = (int)gbc->index_of_touched_one_son-1; |
|---|
| 909 | end = start+1; |
|---|
| 910 | } |
|---|
| 911 | else { |
|---|
| 912 | if (!gbc->index_of_touched_one_son) { |
|---|
| 913 | start = end = 0; |
|---|
| 914 | } |
|---|
| 915 | else { |
|---|
| 916 | start = 0; |
|---|
| 917 | end = gbc->d.nheader; |
|---|
| 918 | } |
|---|
| 919 | } |
|---|
| 920 | |
|---|
| 921 | for (int index = start; index < end; index++) { |
|---|
| 922 | GBDATA *gb = GB_HEADER_LIST_GBD(hls[index]); |
|---|
| 923 | if (gb) { |
|---|
| 924 | if (!hls[index].flags.changed) continue; |
|---|
| 925 | error = gb_commit_transaction_local_rek(gb, mode, &son_created); |
|---|
| 926 | if (error) return error; |
|---|
| 927 | } |
|---|
| 928 | } |
|---|
| 929 | |
|---|
| 930 | if (mode) gbd->flags2.update_in_server = 1; |
|---|
| 931 | } |
|---|
| 932 | gb_commit_do_callbacks : |
|---|
| 933 | if (mode == 2) { // update server; no callbacks |
|---|
| 934 | gbd->flags2.update_in_server = 1; |
|---|
| 935 | } |
|---|
| 936 | else { |
|---|
| 937 | GB_CB_TYPE cbtype = son_created ? GB_CB_CHANGED_OR_SON_CREATED : GB_CB_CHANGED; |
|---|
| 938 | gbd->create_extended(); |
|---|
| 939 | gbd->touch_update(Main->clock); |
|---|
| 940 | if (gbd->flags2.header_changed) { |
|---|
| 941 | gbd->as_container()->header_update_date = Main->clock; |
|---|
| 942 | } |
|---|
| 943 | |
|---|
| 944 | Main->trigger_change_callbacks(gbd, cbtype); |
|---|
| 945 | |
|---|
| 946 | GB_FREE_TRANSACTION_SAVE(gbd); |
|---|
| 947 | } |
|---|
| 948 | } |
|---|
| 949 | |
|---|
| 950 | return NULp; |
|---|
| 951 | } |
|---|