| 1 | #include <stdio.h> |
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| 2 | #include <stdlib.h> |
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| 3 | |
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| 4 | #include <string.h> |
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| 5 | /* #include <malloc.h> */ |
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| 6 | |
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| 7 | /*#include "arbdb.h"*/ |
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| 8 | #include "adlocal.h" |
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| 9 | |
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| 10 | #ifndef __cplusplus |
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| 11 | void ad_use(int dummy, ...) { |
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| 12 | dummy = 0; |
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| 13 | } |
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| 14 | #endif |
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| 15 | |
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| 16 | /******************************************************************************************** |
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| 17 | GB data manangement |
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| 18 | ********************************************************************************************/ |
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| 19 | void gb_touch_entry(GBDATA * gbd, GB_CHANGED val) { |
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| 20 | GBCONTAINER *gbc; |
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| 21 | GBCONTAINER *gbc_father; |
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| 22 | |
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| 23 | gbd->flags2.update_in_server = 0; |
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| 24 | if ( val > (GB_CHANGED)(int)GB_ARRAY_FLAGS(gbd).changed) { |
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| 25 | GB_ARRAY_FLAGS(gbd).changed = val; |
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| 26 | GB_ARRAY_FLAGS(gbd).ever_changed = 1; |
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| 27 | } |
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| 28 | gbc = GB_FATHER(gbd); |
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| 29 | |
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| 30 | if ((!gbc->index_of_touched_one_son) || gbc->index_of_touched_one_son == gbd->index+1) { |
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| 31 | gbc->index_of_touched_one_son = gbd->index+1; |
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| 32 | }else{ |
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| 33 | gbc->index_of_touched_one_son = -1; |
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| 34 | } |
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| 35 | |
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| 36 | while ((gbc_father=GB_FATHER(gbc))!=NULL) |
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| 37 | { |
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| 38 | if ( (!gbc_father->index_of_touched_one_son) || gbc_father->index_of_touched_one_son == gbc->index+1 ) { |
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| 39 | gbc_father->index_of_touched_one_son = gbc->index+1; |
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| 40 | }else{ |
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| 41 | gbc_father->index_of_touched_one_son = -1; |
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| 42 | } |
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| 43 | |
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| 44 | if (gbc->flags2.update_in_server) { |
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| 45 | gbc->flags2.update_in_server = 0; |
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| 46 | } else { |
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| 47 | if (GB_ARRAY_FLAGS(gbc).changed >= (unsigned int)gb_son_changed) |
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| 48 | return; |
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| 49 | } |
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| 50 | if (gb_son_changed > (int)GB_ARRAY_FLAGS(gbc).changed) { |
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| 51 | GB_ARRAY_FLAGS(gbc).changed = gb_son_changed; |
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| 52 | GB_ARRAY_FLAGS(gbc).ever_changed = 1; |
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| 53 | } |
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| 54 | gbc = gbc_father; |
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| 55 | } |
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| 56 | } |
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| 57 | |
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| 58 | void gb_touch_header(GBCONTAINER *gbc) |
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| 59 | { |
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| 60 | gbc->flags2.header_changed = 1; |
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| 61 | gb_touch_entry((GBDATA*)gbc, gb_changed); |
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| 62 | } |
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| 63 | |
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| 64 | |
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| 65 | void |
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| 66 | gb_untouch_children(GBCONTAINER * gbc) |
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| 67 | { |
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| 68 | GBDATA *gbd; |
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| 69 | int index, start, end; |
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| 70 | GB_CHANGED changed; |
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| 71 | |
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| 72 | struct gb_header_list_struct *header = GB_DATA_LIST_HEADER(gbc->d); |
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| 73 | |
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| 74 | if (gbc->index_of_touched_one_son > 0) { |
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| 75 | start = (int)gbc->index_of_touched_one_son-1; |
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| 76 | end = start + 1; |
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| 77 | } else { |
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| 78 | if (!gbc->index_of_touched_one_son){ |
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| 79 | start = end = 0; |
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| 80 | }else{ |
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| 81 | start = 0; |
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| 82 | end = gbc->d.nheader; |
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| 83 | } |
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| 84 | } |
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| 85 | |
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| 86 | for (index = start; index < end; index++) |
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| 87 | { |
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| 88 | if ((gbd = GB_HEADER_LIST_GBD(header[index]))!=NULL) |
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| 89 | { |
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| 90 | if ( (changed = (GB_CHANGED)header[index].flags.changed) && |
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| 91 | (changed < gb_deleted) ) |
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| 92 | { |
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| 93 | header[index].flags.changed = gb_not_changed; |
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| 94 | if (GB_TYPE(gbd) == GB_DB) |
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| 95 | { |
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| 96 | gb_untouch_children((GBCONTAINER *) gbd); |
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| 97 | } |
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| 98 | } |
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| 99 | gbd->flags2.update_in_server = 0; |
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| 100 | } |
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| 101 | } |
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| 102 | gbc->index_of_touched_one_son = 0; |
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| 103 | } |
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| 104 | |
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| 105 | void gb_untouch_me(GBDATA * gbc) |
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| 106 | { |
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| 107 | GB_DATA_LIST_HEADER(GB_FATHER(gbc)->d)[gbc->index].flags.changed = gb_not_changed; |
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| 108 | if (GB_TYPE(gbc) == GB_DB){ |
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| 109 | gbc->flags2.header_changed = 0; |
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| 110 | ((GBCONTAINER *)gbc)->index_of_touched_one_son = 0; |
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| 111 | } |
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| 112 | } |
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| 113 | |
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| 114 | void gb_set_update_in_server_flags(GBCONTAINER * gbc) |
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| 115 | { |
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| 116 | int index; |
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| 117 | GBDATA *gbd; |
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| 118 | |
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| 119 | for (index = 0; index < gbc->d.nheader; index++) { |
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| 120 | if ((gbd = GBCONTAINER_ELEM(gbc,index))!=NULL) { |
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| 121 | if (GB_TYPE(gbd) == GB_DB) { |
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| 122 | gb_set_update_in_server_flags((GBCONTAINER *) gbd); |
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| 123 | } |
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| 124 | gbd->flags2.update_in_server = 1; |
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| 125 | } |
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| 126 | } |
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| 127 | } |
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| 128 | |
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| 129 | void gb_create_header_array(GBCONTAINER *gbc, int size){ |
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| 130 | /* creates or resizes an old array to children */ |
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| 131 | struct gb_header_list_struct *nl, *ol; |
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| 132 | |
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| 133 | if (size <= gbc->d.headermemsize) return; |
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| 134 | if (!size) return; |
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| 135 | if (size > 10) size++; |
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| 136 | if (size > 30) size = size*3/2; |
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| 137 | nl = (struct gb_header_list_struct *) |
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| 138 | gbm_get_mem(sizeof(struct gb_header_list_struct)*size,GBM_HEADER_INDEX); |
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| 139 | |
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| 140 | if ((ol=GB_DATA_LIST_HEADER(gbc->d))!=NULL) |
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| 141 | { |
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| 142 | int idx, |
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| 143 | maxidx = gbc->d.headermemsize; /* ???: oder ->d.nheader */ |
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| 144 | |
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| 145 | for (idx=0; idx<maxidx; idx++) |
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| 146 | { |
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| 147 | GBDATA *gbd = GB_HEADER_LIST_GBD(ol[idx]); |
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| 148 | nl[idx].flags = ol[idx].flags; |
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| 149 | |
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| 150 | if (gbd) |
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| 151 | { |
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| 152 | ad_assert(gbd->server_id==GBTUM_MAGIC_NUMBER || GB_read_clients(gbd)<0); /* or I am a client */ |
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| 153 | SET_GB_HEADER_LIST_GBD(nl[idx],gbd); |
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| 154 | } |
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| 155 | } |
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| 156 | |
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| 157 | gbm_free_mem((char *)ol, |
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| 158 | sizeof(struct gb_header_list_struct)*gbc->d.headermemsize, |
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| 159 | GBM_HEADER_INDEX ); |
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| 160 | } |
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| 161 | |
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| 162 | gbc->d.headermemsize = size; |
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| 163 | SET_GB_DATA_LIST_HEADER(gbc->d,nl); |
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| 164 | } |
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| 165 | |
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| 166 | void gb_link_entry(GBCONTAINER* father, GBDATA * gbd, long index_pos) |
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| 167 | { |
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| 168 | /* if index_pos == -1 -> to end of data; |
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| 169 | else special index position; error when data already exists in index pos */ |
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| 170 | |
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| 171 | SET_GB_FATHER(gbd,father); |
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| 172 | if (father == NULL) { /* 'main' entry in GB */ |
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| 173 | return; |
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| 174 | } |
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| 175 | |
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| 176 | if (GB_TYPE(father) != GB_DB) { |
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| 177 | GB_internal_errorf("to read a database into a non database keyword %s," |
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| 178 | "probably %%%% is missing\n", GB_read_key_pntr((GBDATA*)father)); |
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| 179 | return; |
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| 180 | } |
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| 181 | if ( index_pos < 0) { |
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| 182 | index_pos = father->d.nheader++; |
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| 183 | }else{ |
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| 184 | if ( index_pos >= father->d.nheader){ |
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| 185 | father->d.nheader = (int)index_pos+1; |
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| 186 | } |
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| 187 | } |
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| 188 | |
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| 189 | gb_create_header_array(father, (int)index_pos+1); |
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| 190 | |
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| 191 | if ( GBCONTAINER_ELEM(father,index_pos) ) { |
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| 192 | GB_internal_error("Index of Databaseentry used twice"); |
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| 193 | index_pos = father->d.nheader++; |
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| 194 | gb_create_header_array(father, (int)index_pos+1); |
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| 195 | } |
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| 196 | |
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| 197 | /* the following code skips just-deleted index position, while searching for an unused |
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| 198 | index position. I'm unsure whether this works w/o problems (ralf 2004-Oct-08) */ |
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| 199 | |
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| 200 | while (GB_DATA_LIST_HEADER(father->d)[index_pos].flags.changed >= gb_deleted) { |
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| 201 | #if defined(DEBUG) |
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| 202 | fprintf(stderr, "Warning: index_pos %li of father(%p) contains just-deleted entry -> using next index_pos..\n", index_pos, father); |
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| 203 | #endif /* DEBUG */ |
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| 204 | index_pos = father->d.nheader++; |
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| 205 | gb_create_header_array(father, (int)index_pos+1); |
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| 206 | } |
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| 207 | |
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| 208 | gbd->index = index_pos; |
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| 209 | SET_GBCONTAINER_ELEM(father,index_pos,gbd); |
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| 210 | father->d.size++; |
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| 211 | } |
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| 212 | |
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| 213 | void gb_unlink_entry(GBDATA * gbd) |
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| 214 | { |
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| 215 | GBCONTAINER *father = GB_FATHER(gbd); |
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| 216 | |
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| 217 | if (father) |
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| 218 | { |
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| 219 | int index_pos = (int)gbd->index; |
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| 220 | struct gb_header_list_struct *hls = &(GB_DATA_LIST_HEADER(father->d)[index_pos]); |
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| 221 | |
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| 222 | SET_GB_HEADER_LIST_GBD(*hls,NULL); |
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| 223 | hls->flags.key_quark = 0; |
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| 224 | hls->flags.changed = gb_deleted; |
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| 225 | hls->flags.ever_changed = 1; |
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| 226 | father->d.size--; |
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| 227 | SET_GB_FATHER(gbd,NULL); |
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| 228 | } |
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| 229 | } |
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| 230 | |
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| 231 | void gb_create_extended(GBDATA *gbd){ |
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| 232 | int index; |
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| 233 | if (gbd->ext) return; |
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| 234 | index = GB_GBM_INDEX(gbd); |
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| 235 | gbd->ext = (struct gb_db_extended *)gbm_get_mem( |
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| 236 | sizeof(struct gb_db_extended), |
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| 237 | index); |
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| 238 | } |
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| 239 | |
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| 240 | struct gb_main_type *gb_make_gb_main_type(const char *path) |
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| 241 | { |
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| 242 | struct gb_main_type *Main; |
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| 243 | |
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| 244 | Main = (struct gb_main_type *)gbm_get_mem(sizeof(struct gb_main_type),0); |
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| 245 | if (path) Main->path = strdup((char*)path); |
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| 246 | Main->key_2_index_hash = GBS_create_hash(20000, GB_MIND_CASE); |
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| 247 | Main->compression_mask = -1; /* allow all compressions */ |
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| 248 | gb_init_cache(Main); |
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| 249 | gb_init_undo_stack(Main); |
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| 250 | gb_init_ctype_table(); |
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| 251 | return Main; |
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| 252 | } |
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| 253 | |
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| 254 | char *gb_destroy_main(struct gb_main_type *Main) |
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| 255 | { |
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| 256 | if (Main->path) free(Main->path); |
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| 257 | gb_free_undo_stack(Main); |
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| 258 | gbm_free_mem((char *)Main,sizeof(struct gb_main_type),0); |
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| 259 | |
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| 260 | return 0; |
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| 261 | } |
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| 262 | |
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| 263 | /* inserts an object into the dabase hierarchy */ |
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| 264 | GBDATA *gb_make_pre_defined_entry( GBCONTAINER * father, GBDATA *gbd, |
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| 265 | long index_pos, GBQUARK keyq) |
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| 266 | { |
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| 267 | GB_MAIN_TYPE *Main = GBCONTAINER_MAIN(father); |
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| 268 | |
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| 269 | SET_GB_FATHER(gbd,father); |
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| 270 | if (Main->local_mode) { |
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| 271 | gbd->server_id = GBTUM_MAGIC_NUMBER; |
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| 272 | } |
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| 273 | if (Main->clock) { |
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| 274 | GB_CREATE_EXT(gbd); |
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| 275 | gbd->ext->creation_date = Main->clock; |
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| 276 | } |
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| 277 | |
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| 278 | gb_link_entry(father, gbd, index_pos); |
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| 279 | gb_write_index_key(father,gbd->index,keyq); |
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| 280 | |
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| 281 | return gbd; |
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| 282 | } |
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| 283 | |
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| 284 | void |
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| 285 | gb_rename_entry(GBCONTAINER *gbc, const char *new_key) { |
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| 286 | GBCONTAINER *gb_father = GB_FATHER(gbc); |
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| 287 | GB_MAIN_TYPE *Main = GBCONTAINER_MAIN(gb_father); |
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| 288 | GBQUARK new_keyq; |
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| 289 | long new_gbm_index; |
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| 290 | |
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| 291 | gb_unlink_entry((GBDATA*)gbc); |
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| 292 | |
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| 293 | new_keyq = gb_key_2_quark(Main, new_key); |
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| 294 | new_gbm_index = GB_QUARK_2_GBMINDEX(Main, new_keyq); |
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| 295 | GB_GBM_INDEX(gbc) = new_gbm_index; |
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| 296 | |
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| 297 | gb_link_entry(gb_father, (GBDATA*)gbc, -1); |
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| 298 | gb_write_key((GBDATA*)gbc, new_key); |
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| 299 | } |
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| 300 | |
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| 301 | |
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| 302 | /* creates a terminal database object */ |
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| 303 | GBDATA *gb_make_entry(GBCONTAINER * father, const char *key, long index_pos, GBQUARK keyq, GB_TYPES type) { |
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| 304 | GBDATA *gbd; |
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| 305 | long gbm_index; |
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| 306 | static char *buffer = 0; |
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| 307 | char *p; |
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| 308 | GB_MAIN_TYPE *Main = GBCONTAINER_MAIN(father); |
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| 309 | |
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| 310 | if (!keyq) keyq = gb_key_2_quark(Main,key); |
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| 311 | gbm_index = GB_QUARK_2_GBMINDEX(Main, keyq); |
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| 312 | gbd = (GBDATA *) gbm_get_mem(sizeof(GBDATA), gbm_index); |
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| 313 | GB_GBM_INDEX(gbd) = gbm_index; |
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| 314 | SET_GB_FATHER(gbd,father); |
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| 315 | |
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| 316 | switch(type) |
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| 317 | { |
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| 318 | case GB_STRING_SHRT: type = GB_STRING; |
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| 319 | case GB_STRING: |
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| 320 | if (!buffer) buffer = strdup("1234"); |
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| 321 | p = buffer; |
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| 322 | while ( !(++(*p) )) { (*p)++;p++; if (!(*p)) break; } |
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| 323 | GB_SETSMDMALLOC(gbd,5,5,buffer); |
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| 324 | break; |
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| 325 | case GB_LINK: |
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| 326 | buffer[0] = ':'; |
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| 327 | buffer[1] = 0; |
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| 328 | GB_SETSMDMALLOC(gbd,0,0,buffer); |
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| 329 | break; |
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| 330 | default: break; |
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| 331 | } |
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| 332 | gbd->flags.type = type; |
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| 333 | |
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| 334 | if (Main->local_mode) { |
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| 335 | gbd->server_id = GBTUM_MAGIC_NUMBER; |
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| 336 | } |
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| 337 | if (Main->clock) { |
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| 338 | GB_CREATE_EXT(gbd); |
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| 339 | gbd->ext->creation_date = Main->clock; |
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| 340 | } |
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| 341 | |
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| 342 | gb_link_entry(father, gbd, index_pos); |
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| 343 | if (key) gb_write_key(gbd, key); |
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| 344 | else gb_write_index_key(father,gbd->index,keyq); |
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| 345 | |
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| 346 | return gbd; |
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| 347 | } |
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| 348 | |
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| 349 | /* inserts an object into the dabase hierarchy */ |
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| 350 | GBCONTAINER *gb_make_pre_defined_container( GBCONTAINER * father, GBCONTAINER *gbd, |
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| 351 | long index_pos, GBQUARK keyq) |
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| 352 | { |
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| 353 | GB_MAIN_TYPE *Main = GBCONTAINER_MAIN(father); |
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| 354 | |
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| 355 | SET_GB_FATHER(gbd,father); |
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| 356 | gbd->main_idx = father->main_idx; |
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| 357 | |
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| 358 | if (Main->local_mode) gbd->server_id = GBTUM_MAGIC_NUMBER; |
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| 359 | if (Main->clock) |
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| 360 | { |
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| 361 | GB_CREATE_EXT((GBDATA *) gbd); |
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| 362 | gbd->ext->creation_date = Main->clock; |
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| 363 | } |
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| 364 | gb_link_entry(father, (GBDATA *) gbd, index_pos); |
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| 365 | gb_write_index_key(father,gbd->index,keyq); |
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| 366 | |
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| 367 | return gbd; |
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| 368 | } |
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| 369 | |
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| 370 | |
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| 371 | GBCONTAINER *gb_make_container(GBCONTAINER * father, const char *key, long index_pos, GBQUARK keyq) |
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| 372 | { |
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| 373 | GBCONTAINER *gbd; |
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| 374 | long gbm_index; |
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| 375 | |
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| 376 | if (father) |
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| 377 | { |
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| 378 | GB_MAIN_TYPE *Main = GBCONTAINER_MAIN(father); |
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| 379 | |
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| 380 | if (!keyq) keyq = gb_key_2_quark(Main,key); |
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| 381 | gbm_index = GB_QUARK_2_GBMINDEX(Main, keyq); |
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| 382 | gbd = (GBCONTAINER *) gbm_get_mem(sizeof(GBCONTAINER), gbm_index); |
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| 383 | GB_GBM_INDEX(gbd) = gbm_index; |
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| 384 | SET_GB_FATHER(gbd,father); |
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| 385 | gbd->flags.type = GB_DB; |
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| 386 | gbd->main_idx = father->main_idx; |
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| 387 | if (Main->local_mode) gbd->server_id = GBTUM_MAGIC_NUMBER; |
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| 388 | if (Main->clock) |
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| 389 | { |
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| 390 | GB_CREATE_EXT((GBDATA *) gbd); |
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| 391 | gbd->ext->creation_date = Main->clock; |
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| 392 | } |
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| 393 | gb_link_entry(father, (GBDATA *) gbd, index_pos); |
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| 394 | if (key) gb_write_key((GBDATA *)gbd, key); |
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| 395 | else gb_write_index_key(father,gbd->index,keyq); |
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| 396 | |
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| 397 | return gbd; |
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| 398 | } |
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| 399 | else /* main entry */ |
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| 400 | { |
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| 401 | gbd = (GBCONTAINER *) gbm_get_mem(sizeof(GBCONTAINER), 0); |
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| 402 | gbd->flags.type = GB_DB; |
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| 403 | } |
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| 404 | |
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| 405 | return gbd; |
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| 406 | } |
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| 407 | |
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| 408 | /** Reduce an entry to its absolute minimum and remove it from database */ |
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| 409 | void gb_pre_delete_entry(GBDATA *gbd){ |
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| 410 | GB_MAIN_TYPE *Main = GB_MAIN(gbd); |
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| 411 | long type = GB_TYPE(gbd); |
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| 412 | |
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| 413 | struct gb_callback *cb, *cb2; |
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| 414 | long gbm_index; |
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| 415 | gbm_index = GB_GBM_INDEX(gbd); |
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| 416 | for (cb = GB_GET_EXT_CALLBACKS(gbd); cb; cb = cb2) { |
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| 417 | gbd->ext->callback = 0; |
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| 418 | cb2 = cb->next; |
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| 419 | if (!gbd->ext->old && type != GB_DB){ |
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| 420 | gb_save_extern_data_in_ts(gbd); |
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| 421 | } |
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| 422 | if (cb->type & GB_CB_DELETE) { |
|---|
| 423 | gb_add_delete_callback_list(gbd, gbd->ext->old, cb->func, cb->clientdata); |
|---|
| 424 | } |
|---|
| 425 | gbm_free_mem((char *) cb, sizeof(struct gb_callback), gbm_index); |
|---|
| 426 | } |
|---|
| 427 | gb_write_key(gbd, 0); |
|---|
| 428 | gb_unlink_entry(gbd); |
|---|
| 429 | |
|---|
| 430 | /* as soon as an entry is deleted, there is |
|---|
| 431 | no need to keep track of the database entry |
|---|
| 432 | within the server at the client side */ |
|---|
| 433 | if (!Main->local_mode && gbd->server_id) { |
|---|
| 434 | GBS_write_hashi(Main->remote_hash, gbd->server_id, 0); |
|---|
| 435 | } |
|---|
| 436 | |
|---|
| 437 | if (type>= GB_BITS && type < GB_DB) { |
|---|
| 438 | gb_free_cache(Main,gbd); |
|---|
| 439 | } |
|---|
| 440 | GB_FREE_TRANSACTION_SAVE(gbd); |
|---|
| 441 | _GB_DELETE_EXT(gbd, gbm_index); |
|---|
| 442 | } |
|---|
| 443 | |
|---|
| 444 | void gb_delete_entry(GBDATA **gbd_ptr) { |
|---|
| 445 | GBDATA *gbd = *gbd_ptr; |
|---|
| 446 | long gbm_index; |
|---|
| 447 | long type = GB_TYPE(gbd); |
|---|
| 448 | |
|---|
| 449 | gbm_index = GB_GBM_INDEX(gbd); |
|---|
| 450 | |
|---|
| 451 | if (type == GB_DB) { |
|---|
| 452 | int index; |
|---|
| 453 | GBDATA *gbd2; |
|---|
| 454 | GBCONTAINER *gbc = ((GBCONTAINER *) gbd); |
|---|
| 455 | |
|---|
| 456 | for (index = 0; index < gbc->d.nheader; index++) { |
|---|
| 457 | if ((gbd2 = GBCONTAINER_ELEM(gbc,index))!=NULL) { |
|---|
| 458 | gb_delete_entry(&gbd2); |
|---|
| 459 | } |
|---|
| 460 | }; |
|---|
| 461 | } |
|---|
| 462 | gb_pre_delete_entry(gbd); |
|---|
| 463 | |
|---|
| 464 | /* Now what is left is the core database entry !!! */ |
|---|
| 465 | |
|---|
| 466 | if (type == GB_DB) { |
|---|
| 467 | GBCONTAINER *gbc = ((GBCONTAINER *) gbd); |
|---|
| 468 | struct gb_header_list_struct *hls; |
|---|
| 469 | |
|---|
| 470 | if ((hls=GB_DATA_LIST_HEADER(gbc->d))!=NULL){ |
|---|
| 471 | gbm_free_mem((char *)hls, |
|---|
| 472 | sizeof(struct gb_header_list_struct) * gbc->d.headermemsize, |
|---|
| 473 | GBM_HEADER_INDEX); |
|---|
| 474 | } |
|---|
| 475 | gbm_free_mem((char *) gbd, sizeof(GBCONTAINER), gbm_index); |
|---|
| 476 | } |
|---|
| 477 | else { |
|---|
| 478 | if (type >= GB_BITS) GB_FREEDATA(gbd); |
|---|
| 479 | gbm_free_mem((char *) gbd, sizeof(GBDATA), gbm_index); |
|---|
| 480 | } |
|---|
| 481 | |
|---|
| 482 | *gbd_ptr = 0; // avoid further usage |
|---|
| 483 | } |
|---|
| 484 | |
|---|
| 485 | void gb_delete_main_entry(GBDATA **gbd_ptr) { |
|---|
| 486 | GBDATA *gbd = *gbd_ptr; |
|---|
| 487 | long type = GB_TYPE(gbd); |
|---|
| 488 | |
|---|
| 489 | ad_assert(type == GB_DB); |
|---|
| 490 | if (type == GB_DB) { |
|---|
| 491 | int index; |
|---|
| 492 | int pass; |
|---|
| 493 | GBDATA *gbd2; |
|---|
| 494 | GBCONTAINER *gbc = ((GBCONTAINER *) gbd); |
|---|
| 495 | |
|---|
| 496 | int sys_quark = GB_key_2_quark(gbd, GB_SYSTEM_FOLDER); |
|---|
| 497 | |
|---|
| 498 | for (pass = 1; pass <= 2; pass++) { |
|---|
| 499 | for (index = 0; index < gbc->d.nheader; index++) { |
|---|
| 500 | if ((gbd2 = GBCONTAINER_ELEM(gbc,index)) != NULL) { |
|---|
| 501 | if (pass == 2 || GB_KEY_QUARK(gbd2) != sys_quark) { // delay deletion of system folder to pass 2 |
|---|
| 502 | #if defined(DEBUG) |
|---|
| 503 | fprintf(stderr, "Deleting root node '%s'\n", GB_get_db_path(gbd2)); |
|---|
| 504 | #endif /* DEBUG */ |
|---|
| 505 | gb_delete_entry(&gbd2); |
|---|
| 506 | } |
|---|
| 507 | } |
|---|
| 508 | } |
|---|
| 509 | } |
|---|
| 510 | gb_delete_entry(gbd_ptr); |
|---|
| 511 | } |
|---|
| 512 | } |
|---|
| 513 | |
|---|
| 514 | /******************************************************************************************** |
|---|
| 515 | Data Storage |
|---|
| 516 | ********************************************************************************************/ |
|---|
| 517 | /******************** Does not increment the refcounter ********************/ |
|---|
| 518 | struct gb_transaction_save *gb_new_gb_transaction_save(GBDATA *gbd){ |
|---|
| 519 | struct gb_transaction_save *ts; |
|---|
| 520 | |
|---|
| 521 | ts = (struct gb_transaction_save *)gbm_get_mem(sizeof(struct gb_transaction_save),GBM_CB_INDEX); |
|---|
| 522 | |
|---|
| 523 | ts->flags = gbd->flags; |
|---|
| 524 | ts->flags2 = gbd->flags2; |
|---|
| 525 | |
|---|
| 526 | if (gbd->flags2.extern_data) |
|---|
| 527 | { |
|---|
| 528 | ts->info.ex.data = GB_EXTERN_DATA_DATA(gbd->info.ex); |
|---|
| 529 | ts->info.ex.memsize = gbd->info.ex.memsize; |
|---|
| 530 | ts->info.ex.size = gbd->info.ex.size; |
|---|
| 531 | } |
|---|
| 532 | else |
|---|
| 533 | { |
|---|
| 534 | memcpy(&(ts->info), &(gbd->info), sizeof(gbd->info)); |
|---|
| 535 | } |
|---|
| 536 | |
|---|
| 537 | ts->refcount = 1; |
|---|
| 538 | |
|---|
| 539 | return ts; |
|---|
| 540 | } |
|---|
| 541 | |
|---|
| 542 | void gb_add_ref_gb_transaction_save(struct gb_transaction_save *ts){ |
|---|
| 543 | if (!ts) return; |
|---|
| 544 | ts->refcount ++; |
|---|
| 545 | } |
|---|
| 546 | |
|---|
| 547 | void gb_del_ref_gb_transaction_save(struct gb_transaction_save *ts){ |
|---|
| 548 | if (!ts) return; |
|---|
| 549 | ts->refcount --; |
|---|
| 550 | if (ts->refcount <=0) { /* no more references !!!! */ |
|---|
| 551 | if (ts->flags2.extern_data) { |
|---|
| 552 | if (ts->info.ex.data) { |
|---|
| 553 | gbm_free_mem(ts->info.ex.data, |
|---|
| 554 | ts->info.ex.memsize, |
|---|
| 555 | ts->flags2.gbm_index); |
|---|
| 556 | } |
|---|
| 557 | } |
|---|
| 558 | gbm_free_mem((char*)ts, |
|---|
| 559 | sizeof(struct gb_transaction_save), |
|---|
| 560 | GBM_CB_INDEX); |
|---|
| 561 | } |
|---|
| 562 | } |
|---|
| 563 | |
|---|
| 564 | /* remove reference to undo entry and set extern pointer to zero */ |
|---|
| 565 | void gb_del_ref_and_extern_gb_transaction_save(struct gb_transaction_save *ts){ |
|---|
| 566 | if (ts->flags2.extern_data) { |
|---|
| 567 | ts->info.ex.data = 0; |
|---|
| 568 | } |
|---|
| 569 | gb_del_ref_gb_transaction_save(ts); |
|---|
| 570 | } |
|---|
| 571 | |
|---|
| 572 | void gb_abortdata(GBDATA *gbd) |
|---|
| 573 | { |
|---|
| 574 | struct gb_transaction_save *old; |
|---|
| 575 | |
|---|
| 576 | GB_INDEX_CHECK_OUT(gbd); |
|---|
| 577 | old = gbd->ext->old; |
|---|
| 578 | ad_assert(old!=0); |
|---|
| 579 | |
|---|
| 580 | gbd->flags = old->flags; |
|---|
| 581 | gbd->flags2 = old->flags2; |
|---|
| 582 | |
|---|
| 583 | if (old->flags2.extern_data) |
|---|
| 584 | { |
|---|
| 585 | SET_GB_EXTERN_DATA_DATA(gbd->info.ex,old->info.ex.data); |
|---|
| 586 | gbd->info.ex.memsize = old->info.ex.memsize; |
|---|
| 587 | gbd->info.ex.size = old->info.ex.size; |
|---|
| 588 | } |
|---|
| 589 | else |
|---|
| 590 | { |
|---|
| 591 | memcpy(&(gbd->info), &(old->info),sizeof(old->info)); |
|---|
| 592 | } |
|---|
| 593 | gb_del_ref_and_extern_gb_transaction_save(old); |
|---|
| 594 | gbd->ext->old = NULL; |
|---|
| 595 | |
|---|
| 596 | GB_INDEX_CHECK_IN(gbd); |
|---|
| 597 | } |
|---|
| 598 | |
|---|
| 599 | |
|---|
| 600 | void gb_save_extern_data_in_ts(GBDATA *gbd){ |
|---|
| 601 | /* Saves gbd->info into gbd->ext->old |
|---|
| 602 | * destroys gbd->info !!!! |
|---|
| 603 | * dont call with GBCONTAINER */ |
|---|
| 604 | GB_CREATE_EXT(gbd); |
|---|
| 605 | GB_INDEX_CHECK_OUT(gbd); |
|---|
| 606 | if (gbd->ext->old || (GB_ARRAY_FLAGS(gbd).changed == gb_created)){ |
|---|
| 607 | GB_FREEDATA(gbd); |
|---|
| 608 | }else{ |
|---|
| 609 | gbd->ext->old = gb_new_gb_transaction_save(gbd); |
|---|
| 610 | SET_GB_EXTERN_DATA_DATA(gbd->info.ex,0); |
|---|
| 611 | } |
|---|
| 612 | } |
|---|
| 613 | |
|---|
| 614 | |
|---|
| 615 | /******************************************************************************************** |
|---|
| 616 | Key Management |
|---|
| 617 | ********************************************************************************************/ |
|---|
| 618 | |
|---|
| 619 | /********** set the key quark of an database field |
|---|
| 620 | check for indexing data field ***********/ |
|---|
| 621 | |
|---|
| 622 | void gb_write_index_key(GBCONTAINER *father, long index, GBQUARK new_index) { |
|---|
| 623 | GB_MAIN_TYPE *Main = GBCONTAINER_MAIN(father); |
|---|
| 624 | struct gb_header_list_struct *hls = GB_DATA_LIST_HEADER(father->d); |
|---|
| 625 | GBQUARK old_index = hls[index].flags.key_quark; |
|---|
| 626 | |
|---|
| 627 | GBCONTAINER *gfather; |
|---|
| 628 | Main->keys[old_index].nref--; |
|---|
| 629 | Main->keys[new_index].nref++; |
|---|
| 630 | |
|---|
| 631 | if (Main->local_mode) |
|---|
| 632 | { |
|---|
| 633 | GBDATA *gbd = GB_HEADER_LIST_GBD(hls[index]); |
|---|
| 634 | |
|---|
| 635 | if (gbd && (GB_TYPE(gbd) == GB_STRING || GB_TYPE(gbd) == GB_LINK)) |
|---|
| 636 | { |
|---|
| 637 | struct gb_index_files_struct *ifs = 0; |
|---|
| 638 | |
|---|
| 639 | GB_INDEX_CHECK_OUT(gbd); |
|---|
| 640 | gbd->flags2.tisa_index = 0; |
|---|
| 641 | if ( (gfather = GB_FATHER(father))) |
|---|
| 642 | { |
|---|
| 643 | for ( ifs = GBCONTAINER_IFS(gfather); ifs; |
|---|
| 644 | ifs = GB_INDEX_FILES_NEXT(ifs)) |
|---|
| 645 | { |
|---|
| 646 | if (ifs->key == new_index) break; |
|---|
| 647 | } |
|---|
| 648 | } |
|---|
| 649 | hls[index].flags.key_quark = new_index; |
|---|
| 650 | if (ifs) gb_index_check_in(gbd); |
|---|
| 651 | |
|---|
| 652 | return; |
|---|
| 653 | } |
|---|
| 654 | } |
|---|
| 655 | |
|---|
| 656 | hls[index].flags.key_quark = new_index; |
|---|
| 657 | } |
|---|
| 658 | |
|---|
| 659 | void gb_write_key(GBDATA *gbd,const char *s) { |
|---|
| 660 | GBQUARK new_index = 0; |
|---|
| 661 | |
|---|
| 662 | if (s) { |
|---|
| 663 | GB_MAIN_TYPE *Main = GB_MAIN(gbd); |
|---|
| 664 | new_index = (int)GBS_read_hash(Main->key_2_index_hash,s); |
|---|
| 665 | |
|---|
| 666 | if (!new_index) { /* create new index */ |
|---|
| 667 | new_index = (int)gb_create_key(Main,s,GB_TRUE); |
|---|
| 668 | } |
|---|
| 669 | } |
|---|
| 670 | gb_write_index_key(GB_FATHER(gbd), gbd->index, new_index); |
|---|
| 671 | } |
|---|
| 672 | |
|---|
| 673 | void gb_create_key_array(GB_MAIN_TYPE *Main, int index){ |
|---|
| 674 | if (index >= Main->sizeofkeys) { |
|---|
| 675 | Main->sizeofkeys = index*3/2+1; |
|---|
| 676 | if (Main->keys) { |
|---|
| 677 | int i; |
|---|
| 678 | Main->keys = (struct gb_key_struct *) |
|---|
| 679 | realloc((MALLOC_T)Main->keys, |
|---|
| 680 | sizeof(struct gb_key_struct) * (size_t)Main->sizeofkeys); |
|---|
| 681 | memset( (char *)&(Main->keys[Main->keycnt]), |
|---|
| 682 | 0, |
|---|
| 683 | sizeof(struct gb_key_struct) * (size_t) |
|---|
| 684 | (Main->sizeofkeys - Main->keycnt)); |
|---|
| 685 | for (i= Main->keycnt; i < Main->sizeofkeys; i++){ |
|---|
| 686 | Main->keys[i].compression_mask = -1; |
|---|
| 687 | } |
|---|
| 688 | }else{ |
|---|
| 689 | Main->sizeofkeys = 1000; |
|---|
| 690 | Main->keys = (struct gb_key_struct *) |
|---|
| 691 | GB_calloc(sizeof(struct gb_key_struct) ,(size_t)Main->sizeofkeys); |
|---|
| 692 | } |
|---|
| 693 | } |
|---|
| 694 | } |
|---|
| 695 | |
|---|
| 696 | long gb_create_key(GB_MAIN_TYPE *Main, const char *s, GB_BOOL create_gb_key) { |
|---|
| 697 | long index; |
|---|
| 698 | if ( Main->first_free_key ) { |
|---|
| 699 | index = Main->first_free_key; |
|---|
| 700 | Main->first_free_key = Main->keys[index].next_free_key; |
|---|
| 701 | Main->keys[index].next_free_key = 0; |
|---|
| 702 | }else{ |
|---|
| 703 | index = Main->keycnt++; |
|---|
| 704 | gb_create_key_array(Main,(int)index+1); |
|---|
| 705 | } |
|---|
| 706 | if (!Main->local_mode) { |
|---|
| 707 | long test_index = gbcmc_key_alloc((GBDATA *)Main->data,s); |
|---|
| 708 | if (test_index != index) { |
|---|
| 709 | GBK_terminatef("Database corrupt (allocating quark '%s' in server failed)",s); |
|---|
| 710 | } |
|---|
| 711 | } |
|---|
| 712 | Main->keys[index].nref = 0; |
|---|
| 713 | |
|---|
| 714 | if (s){ |
|---|
| 715 | Main->keys[index].key = strdup(s); |
|---|
| 716 | GBS_write_hash(Main->key_2_index_hash,s,index); |
|---|
| 717 | if (Main->gb_key_data && create_gb_key){ |
|---|
| 718 | gb_load_single_key_data((GBDATA *)Main->data,(GBQUARK)index); |
|---|
| 719 | /* Warning: starts a big recursion */ |
|---|
| 720 | if (!Main->local_mode){ /* send new gb_key to server, needed for searching */ |
|---|
| 721 | GB_update_server((GBDATA *)Main->data); |
|---|
| 722 | } |
|---|
| 723 | } |
|---|
| 724 | } |
|---|
| 725 | |
|---|
| 726 | |
|---|
| 727 | Main->key_clock = Main->clock; |
|---|
| 728 | return index; |
|---|
| 729 | } |
|---|
| 730 | |
|---|
| 731 | void gb_free_all_keys(GB_MAIN_TYPE *Main) { |
|---|
| 732 | long index; |
|---|
| 733 | if (!Main->keys) return; |
|---|
| 734 | for (index = 1; index < Main->keycnt; index++) { |
|---|
| 735 | if (Main->keys[index].key){ |
|---|
| 736 | GBS_write_hash(Main->key_2_index_hash, Main->keys[index].key, 0); |
|---|
| 737 | freeset(Main->keys[index].key, 0); |
|---|
| 738 | } |
|---|
| 739 | Main->keys[index].nref = 0; |
|---|
| 740 | Main->keys[index].next_free_key = 0; |
|---|
| 741 | } |
|---|
| 742 | Main->first_free_key = 0; |
|---|
| 743 | Main->keycnt = 1; |
|---|
| 744 | } |
|---|
| 745 | |
|---|
| 746 | char *gb_abort_entry(GBDATA *gbd){ |
|---|
| 747 | int type = GB_TYPE(gbd); |
|---|
| 748 | GB_ARRAY_FLAGS(gbd).flags = gbd->flags.saved_flags; |
|---|
| 749 | if (type == GB_DB){ |
|---|
| 750 | return 0; |
|---|
| 751 | }else{ |
|---|
| 752 | if (GB_GET_EXT_OLD_DATA(gbd)) { |
|---|
| 753 | if ( (type >= GB_BITS) ) { |
|---|
| 754 | gb_free_cache(GB_MAIN(gbd),gbd); |
|---|
| 755 | GB_FREEDATA(gbd); |
|---|
| 756 | } |
|---|
| 757 | gb_abortdata(gbd); |
|---|
| 758 | } |
|---|
| 759 | } |
|---|
| 760 | return 0; |
|---|
| 761 | } |
|---|
| 762 | |
|---|
| 763 | /******************************************************************************************** |
|---|
| 764 | Transactions |
|---|
| 765 | ********************************************************************************************/ |
|---|
| 766 | |
|---|
| 767 | #if defined(DEVEL_RALF) |
|---|
| 768 | #warning change param for gb_abort_transaction_local_rek to GBDATA ** |
|---|
| 769 | #warning remove param 'mode' (unused!) |
|---|
| 770 | #endif /* DEVEL_RALF */ |
|---|
| 771 | |
|---|
| 772 | int gb_abort_transaction_local_rek(GBDATA *gbd, long mode) { |
|---|
| 773 | /* delete created, undo changed */ |
|---|
| 774 | GBDATA *gb; |
|---|
| 775 | enum gb_key_types type; |
|---|
| 776 | GB_CHANGED change = (GB_CHANGED)GB_ARRAY_FLAGS(gbd).changed; |
|---|
| 777 | |
|---|
| 778 | switch (change) { |
|---|
| 779 | case gb_not_changed: |
|---|
| 780 | return 0; |
|---|
| 781 | |
|---|
| 782 | case gb_created: |
|---|
| 783 | GB_PUT_SECURITY_DELETE(gbd,0); |
|---|
| 784 | gb_delete_entry(&gbd); |
|---|
| 785 | return 1; |
|---|
| 786 | |
|---|
| 787 | case gb_deleted: |
|---|
| 788 | GB_ARRAY_FLAGS(gbd).changed = gb_not_changed; |
|---|
| 789 | // fall-through |
|---|
| 790 | default: |
|---|
| 791 | type = (GB_TYPES)GB_TYPE(gbd); |
|---|
| 792 | if (type == GB_DB) |
|---|
| 793 | { |
|---|
| 794 | int index; |
|---|
| 795 | GBCONTAINER *gbc = (GBCONTAINER *)gbd; |
|---|
| 796 | struct gb_header_list_struct *hls = GB_DATA_LIST_HEADER(gbc->d); |
|---|
| 797 | |
|---|
| 798 | for (index = 0; index < gbc->d.nheader; index++) |
|---|
| 799 | { |
|---|
| 800 | if ((gb = GB_HEADER_LIST_GBD(hls[index]))!=NULL) |
|---|
| 801 | { |
|---|
| 802 | gb_abort_transaction_local_rek(gb,mode); |
|---|
| 803 | } |
|---|
| 804 | } |
|---|
| 805 | } |
|---|
| 806 | gb_abort_entry(gbd); |
|---|
| 807 | } |
|---|
| 808 | return 0; |
|---|
| 809 | } |
|---|
| 810 | |
|---|
| 811 | GB_ERROR gb_commit_transaction_local_rek(GBDATA * gbd, long mode,int *pson_created) |
|---|
| 812 | /* |
|---|
| 813 | * commit created |
|---|
| 814 | * delete deleted |
|---|
| 815 | * mode 0 local = server or begin trans in client or commit_client_in_server |
|---|
| 816 | * mode 1 remote = client |
|---|
| 817 | * mode 2 remote = client send only updated data |
|---|
| 818 | */ |
|---|
| 819 | { |
|---|
| 820 | GBDATA *gb; |
|---|
| 821 | GB_MAIN_TYPE *Main = GB_MAIN(gbd); |
|---|
| 822 | GB_TYPES type; |
|---|
| 823 | GB_ERROR error; |
|---|
| 824 | struct gb_callback *cb; |
|---|
| 825 | GB_CHANGED change = (GB_CHANGED)GB_ARRAY_FLAGS(gbd).changed; |
|---|
| 826 | int send_header; |
|---|
| 827 | int son_created = 0; |
|---|
| 828 | |
|---|
| 829 | type = (GB_TYPES)GB_TYPE(gbd); |
|---|
| 830 | switch (change) { |
|---|
| 831 | case gb_not_changed: |
|---|
| 832 | return 0; |
|---|
| 833 | case gb_deleted: |
|---|
| 834 | GB_PUT_SECURITY_DELETE(gbd, 0); |
|---|
| 835 | if (mode) { |
|---|
| 836 | if (!gbd->flags2.update_in_server) { |
|---|
| 837 | error = gbcmc_sendupdate_delete(gbd); |
|---|
| 838 | if (error) |
|---|
| 839 | return error; |
|---|
| 840 | gbd->flags2.update_in_server = 1; |
|---|
| 841 | } |
|---|
| 842 | if (mode == 2) return 0; |
|---|
| 843 | } else { |
|---|
| 844 | gbcms_add_to_delete_list(gbd); |
|---|
| 845 | _GB_CHECK_IN_UNDO_DELETE(Main,gbd); |
|---|
| 846 | return 0; |
|---|
| 847 | } |
|---|
| 848 | gb_delete_entry(&gbd); |
|---|
| 849 | return 0; |
|---|
| 850 | case gb_created: |
|---|
| 851 | if (mode) { |
|---|
| 852 | if (!gbd->flags2.update_in_server) { |
|---|
| 853 | if (gbd->server_id) goto gb_changed_label; |
|---|
| 854 | /* already created, do only a change */ |
|---|
| 855 | error = gbcmc_sendupdate_create(gbd); |
|---|
| 856 | if (type == GB_DB) { |
|---|
| 857 | gb_set_update_in_server_flags(((GBCONTAINER *)gbd)); |
|---|
| 858 | /* set all childrens update_in_server flags */ |
|---|
| 859 | } |
|---|
| 860 | gbd->flags2.update_in_server = 1; |
|---|
| 861 | if (error) return error; |
|---|
| 862 | } |
|---|
| 863 | if (mode == 2) return 0; |
|---|
| 864 | }else{ |
|---|
| 865 | _GB_CHECK_IN_UNDO_CREATE(Main,gbd); |
|---|
| 866 | } |
|---|
| 867 | if (pson_created) { |
|---|
| 868 | *pson_created = 1; |
|---|
| 869 | } |
|---|
| 870 | |
|---|
| 871 | if (gbd->flags2.header_changed == 1) { |
|---|
| 872 | ((GBCONTAINER*)gbd)->header_update_date = Main->clock; |
|---|
| 873 | } |
|---|
| 874 | goto gb_commit_do_callbacks; |
|---|
| 875 | |
|---|
| 876 | case gb_changed: |
|---|
| 877 | if (mode) { |
|---|
| 878 | if (!gbd->flags2.update_in_server) { |
|---|
| 879 | gb_changed_label:; |
|---|
| 880 | send_header = 0; |
|---|
| 881 | if (gbd->flags2.header_changed) send_header = 1; |
|---|
| 882 | error = gbcmc_sendupdate_update(gbd,send_header); |
|---|
| 883 | if (error) return error; |
|---|
| 884 | gbd->flags2.update_in_server = 1; |
|---|
| 885 | } |
|---|
| 886 | }else{ |
|---|
| 887 | _GB_CHECK_IN_UNDO_MODIFY(Main,gbd); |
|---|
| 888 | } |
|---|
| 889 | default: /* means gb_son_changed + changed */ |
|---|
| 890 | |
|---|
| 891 | if (type == GB_DB) |
|---|
| 892 | { |
|---|
| 893 | GBCONTAINER *gbc = (GBCONTAINER *)gbd; |
|---|
| 894 | int index, start, end; |
|---|
| 895 | struct gb_header_list_struct *hls = GB_DATA_LIST_HEADER(gbc->d); |
|---|
| 896 | |
|---|
| 897 | if (gbc->index_of_touched_one_son>0) { |
|---|
| 898 | start = (int)gbc->index_of_touched_one_son-1; |
|---|
| 899 | end = start+1; |
|---|
| 900 | }else{ if (!gbc->index_of_touched_one_son){ start = end = 0; |
|---|
| 901 | }else{ start = 0; end = gbc->d.nheader; } |
|---|
| 902 | } |
|---|
| 903 | |
|---|
| 904 | for (index = start; index < end; index++) |
|---|
| 905 | { |
|---|
| 906 | if ((gb = GB_HEADER_LIST_GBD(hls[index]))!=NULL) |
|---|
| 907 | { |
|---|
| 908 | if (!hls[index].flags.changed) continue; |
|---|
| 909 | error = gb_commit_transaction_local_rek(gb,mode,&son_created); |
|---|
| 910 | if (error) return error; |
|---|
| 911 | } |
|---|
| 912 | } |
|---|
| 913 | |
|---|
| 914 | if (mode) gbd->flags2.update_in_server = 1; |
|---|
| 915 | } |
|---|
| 916 | gb_commit_do_callbacks: |
|---|
| 917 | if (mode == 2) { /* update server; no callbacks */ |
|---|
| 918 | gbd->flags2.update_in_server = 1; |
|---|
| 919 | }else{ |
|---|
| 920 | GB_CB_TYPE gbtype = GB_CB_CHANGED; |
|---|
| 921 | if (son_created) { |
|---|
| 922 | gbtype = (GB_CB_TYPE)(GB_CB_SON_CREATED | GB_CB_CHANGED); |
|---|
| 923 | } |
|---|
| 924 | GB_CREATE_EXT(gbd); |
|---|
| 925 | gbd->ext->update_date = Main->clock; |
|---|
| 926 | if (gbd->flags2.header_changed ) { |
|---|
| 927 | ((GBCONTAINER*)gbd)->header_update_date = Main->clock; |
|---|
| 928 | } |
|---|
| 929 | |
|---|
| 930 | for (cb = GB_GET_EXT_CALLBACKS(gbd); cb; cb = cb->next) { |
|---|
| 931 | if (cb->type & (GB_CB_CHANGED|GB_CB_SON_CREATED)) { |
|---|
| 932 | gb_add_changed_callback_list(gbd,gbd->ext->old,gbtype,cb->func,cb->clientdata); |
|---|
| 933 | } |
|---|
| 934 | } |
|---|
| 935 | |
|---|
| 936 | GB_FREE_TRANSACTION_SAVE(gbd); |
|---|
| 937 | } |
|---|
| 938 | }/*switch*/ |
|---|
| 939 | return 0; |
|---|
| 940 | } |
|---|