1 /*
2 BAREOS® - Backup Archiving REcovery Open Sourced
3
4 Copyright (C) 2000-2011 Free Software Foundation Europe e.V.
5 Copyright (C) 2013-2014 Planets Communications B.V.
6 Copyright (C) 2013-2018 Bareos GmbH & Co. KG
7
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version three of the GNU Affero General Public
10 License as published by the Free Software Foundation and included
11 in the file LICENSE.
12
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Affero General Public License for more details.
17
18 You should have received a copy of the GNU Affero General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 02110-1301, USA.
22 */
23 /*
24 * Marco van Wieringen, December 2013
25 */
26 /**
27 * @file
28 * This file contains the HTABLE abstraction of the accurate payload storage.
29 */
30
31 #include "include/bareos.h"
32 #include "filed/filed.h"
33 #include "accurate.h"
34 #include "lib/attribs.h"
35
36 namespace filedaemon {
37
38 static int debuglevel = 100;
39
BareosAccurateFilelistHtable(JobControlRecord * jcr,uint32_t number_of_files)40 BareosAccurateFilelistHtable::BareosAccurateFilelistHtable(JobControlRecord *jcr, uint32_t number_of_files)
41 {
42 jcr_= jcr;
43 filenr_ = 0;
44 number_of_previous_files_ = number_of_files;
45
46 CurFile *elt = NULL;
47 file_list_ = (htable *)malloc(sizeof(htable));
48 file_list_->init(elt, &elt->link, number_of_previous_files_);
49 seen_bitmap_ = (char *)malloc(NbytesForBits(number_of_previous_files_));
50 ClearAllBits(number_of_previous_files_, seen_bitmap_);
51 }
52
AddFile(char * fname,int fname_length,char * lstat,int lstat_length,char * chksum,int chksum_length,int32_t delta_seq)53 bool BareosAccurateFilelistHtable::AddFile( char *fname,
54 int fname_length,
55 char *lstat,
56 int lstat_length,
57 char *chksum,
58 int chksum_length,
59 int32_t delta_seq)
60 {
61 CurFile *item;
62 int total_length;
63 bool retval = true;
64
65 total_length = sizeof(CurFile) + fname_length + lstat_length + chksum_length + 3;
66 item = (CurFile *)file_list_->hash_malloc(total_length);
67
68 item->fname = (char *)item + sizeof(CurFile);
69 memcpy(item->fname, fname, fname_length);
70 item->fname[fname_length] = '\0';
71
72 item->payload.lstat = item->fname + fname_length + 1;
73 memcpy(item->payload.lstat, lstat, lstat_length);
74 item->payload.lstat[lstat_length] = '\0';
75
76 item->payload.chksum = item->payload.lstat + lstat_length + 1;
77 if (chksum_length) {
78 memcpy(item->payload.chksum, chksum, chksum_length);
79 }
80 item->payload.chksum[chksum_length] = '\0';
81
82 item->payload.delta_seq = delta_seq;
83 item->payload.filenr = filenr_++;
84 file_list_->insert(item->fname, item);
85
86 if (chksum) {
87 Dmsg4(debuglevel, "add fname=<%s> lstat=%s delta_seq=%i chksum=%s\n", fname, lstat, delta_seq, chksum);
88 } else {
89 Dmsg2(debuglevel, "add fname=<%s> lstat=%s\n", fname, lstat);
90 }
91
92 return retval;
93 }
94
EndLoad()95 bool BareosAccurateFilelistHtable::EndLoad()
96 {
97 /*
98 * Nothing to do.
99 */
100 return true;
101 }
102
lookup_payload(char * fname)103 accurate_payload *BareosAccurateFilelistHtable::lookup_payload(char *fname)
104 {
105 CurFile *temp;
106
107 temp = (CurFile *)file_list_->lookup(fname);
108 return (temp) ? &temp->payload : NULL;
109 }
110
UpdatePayload(char * fname,accurate_payload * payload)111 bool BareosAccurateFilelistHtable::UpdatePayload(char *fname, accurate_payload *payload)
112 {
113 /*
114 * Nothing to do.
115 */
116 return true;
117 }
118
SendBaseFileList()119 bool BareosAccurateFilelistHtable::SendBaseFileList()
120 {
121 CurFile *elt;
122 FindFilesPacket *ff_pkt;
123 int32_t LinkFIc;
124 struct stat statp;
125 int stream = STREAM_UNIX_ATTRIBUTES;
126
127 if (!jcr_->accurate || jcr_->getJobLevel() != L_FULL) {
128 return true;
129 }
130
131 if (file_list_ == NULL) {
132 return true;
133 }
134
135 ff_pkt = init_find_files();
136 ff_pkt->type = FT_BASE;
137
138 foreach_htable(elt, file_list_) {
139 if (BitIsSet(elt->payload.filenr, seen_bitmap_)) {
140 Dmsg1(debuglevel, "base file fname=%s\n", elt->fname);
141 DecodeStat(elt->payload.lstat, &statp, sizeof(statp), &LinkFIc); /* decode catalog stat */
142 ff_pkt->fname = elt->fname;
143 ff_pkt->statp = statp;
144 EncodeAndSendAttributes(jcr_, ff_pkt, stream);
145 }
146 }
147
148 TermFindFiles(ff_pkt);
149 return true;
150 }
151
SendDeletedList()152 bool BareosAccurateFilelistHtable::SendDeletedList()
153 {
154 CurFile *elt;
155 FindFilesPacket *ff_pkt;
156 int32_t LinkFIc;
157 struct stat statp;
158 int stream = STREAM_UNIX_ATTRIBUTES;
159
160 if (!jcr_->accurate) {
161 return true;
162 }
163
164 ff_pkt = init_find_files();
165 ff_pkt->type = FT_DELETED;
166
167 foreach_htable(elt, file_list_) {
168 if (BitIsSet(elt->payload.filenr, seen_bitmap_) ||
169 PluginCheckFile(jcr_, elt->fname)) {
170 continue;
171 }
172 Dmsg1(debuglevel, "deleted fname=%s\n", elt->fname);
173 ff_pkt->fname = elt->fname;
174 DecodeStat(elt->payload.lstat, &statp, sizeof(statp), &LinkFIc); /* decode catalog stat */
175 ff_pkt->statp.st_mtime = statp.st_mtime;
176 ff_pkt->statp.st_ctime = statp.st_ctime;
177 EncodeAndSendAttributes(jcr_, ff_pkt, stream);
178 }
179
180 TermFindFiles(ff_pkt);
181 return true;
182 }
183
destroy()184 void BareosAccurateFilelistHtable::destroy()
185 {
186 if (file_list_) {
187 file_list_->destroy();
188 free(file_list_);
189 file_list_ = NULL;
190 }
191
192 if (seen_bitmap_) {
193 free(seen_bitmap_);
194 seen_bitmap_ = NULL;
195 }
196
197 filenr_ = 0;
198 }
199
200 } /* namespace filedaemon */
201