aboutsummaryrefslogtreecommitdiffstats
path: root/src/apk_database.h
blob: 02ba196f4d33a3d2a82bb8999a07fd1e4a15e74d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
/* apk_database.h - Alpine Package Keeper (APK)
 *
 * Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
 * Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation. See http://www.gnu.org/ for details.
 */

#ifndef APK_PKGDB_H
#define APK_PKGDB_H

#include "apk_version.h"
#include "apk_hash.h"
#include "apk_archive.h"
#include "apk_package.h"
#include "apk_io.h"

#include "apk_provider_data.h"
#include "apk_solver_data.h"

struct apk_name;
APK_ARRAY(apk_name_array, struct apk_name *);

struct apk_db_file {
	struct hlist_node hash_node;
	struct hlist_node diri_files_list;

	struct apk_db_dir_instance *diri;
	mode_t mode;
	uid_t uid;
	gid_t gid;

	unsigned short namelen;
	struct apk_checksum csum;
	char name[];
};

struct apk_protected_path {
	char *relative_pattern;
	unsigned protected : 1;
	unsigned symlinks_only : 1;
};
APK_ARRAY(apk_protected_path_array, struct apk_protected_path);

struct apk_db_dir {
	apk_hash_node hash_node;
	unsigned long hash;

	struct apk_db_dir *parent;
	struct apk_protected_path_array *protected_paths;
	mode_t mode;
	uid_t uid;
	gid_t gid;

	unsigned short refs;
	unsigned short namelen;

	unsigned protected : 1;
	unsigned symlinks_only : 1;
	unsigned has_protected_children : 1;
	unsigned modified : 1;
	unsigned recalc_mode : 1;

	char rooted_name[1];
	char name[];
};

#define DIR_FILE_FMT			"%s%s%s"
#define DIR_FILE_PRINTF(dir,file)	(dir)->name, (dir)->namelen ? "/" : "", (file)->name

struct apk_db_dir_instance {
	struct hlist_node pkg_dirs_list;
	struct hlist_head owned_files;
	struct apk_package *pkg;
	struct apk_db_dir *dir;
	mode_t mode;
	uid_t uid;
	gid_t gid;
};

struct apk_name {
	apk_hash_node hash_node;
	char *name;
	struct apk_provider_array *providers;
	struct apk_name_array *rdepends;
	struct apk_name_array *rinstall_if;

	union {
		struct apk_solver_name_state ss;
		void *state_ptr;
		int state_int;
	};
};

struct apk_repository {
	char *url;
	struct apk_checksum csum;
	apk_blob_t description;
};

struct apk_repository_list {
	struct list_head list;
	const char *url;
};

struct apk_db_options {
	int lock_wait;
	unsigned long open_flags;
	char *root;
	char *arch;
	char *keys_dir;
	char *repositories_file;
	struct list_head repository_list;
};

#define APK_REPOSITORY_CACHED		0
#define APK_REPOSITORY_FIRST_CONFIGURED	1

#define APK_DEFAULT_REPOSITORY_TAG	0
#define APK_DEFAULT_PINNING_MASK	BIT(APK_DEFAULT_REPOSITORY_TAG)

struct apk_repository_tag {
	unsigned int allowed_repos;
	apk_blob_t *name;
};

struct apk_database {
	char *root;
	int root_fd, lock_fd, cache_fd, keys_fd;
	unsigned num_repos, num_repo_tags;
	const char *cache_dir;
	char *cache_remount_dir;
	apk_blob_t *arch;
	unsigned int local_repos, available_repos;
	unsigned int pending_triggers;
	int performing_self_update : 1;
	int permanent : 1;
	int compat_newfeatures : 1;
	int compat_notinstallable : 1;
	int compat_old_world : 1;

	struct apk_dependency_array *world;
	struct apk_protected_path_array *protected_paths;
	struct apk_repository repos[APK_MAX_REPOS];
	struct apk_repository_tag repo_tags[APK_MAX_TAGS];
	struct apk_id_cache id_cache;

	struct {
		struct apk_hash names;
		struct apk_hash packages;
	} available;

	struct {
		struct list_head packages;
		struct list_head triggers;
		struct apk_hash dirs;
		struct apk_hash files;
		struct {
			unsigned files;
			unsigned dirs;
			unsigned packages;
			size_t bytes;
		} stats;
	} installed;
};

typedef union apk_database_or_void {
	struct apk_database *db;
	void *ptr;
} apk_database_t __attribute__ ((__transparent_union__));

struct apk_name *apk_db_get_name(struct apk_database *db, apk_blob_t name);
struct apk_name *apk_db_query_name(struct apk_database *db, apk_blob_t name);
int apk_db_get_tag_id(struct apk_database *db, apk_blob_t tag);

struct apk_db_dir *apk_db_dir_ref(struct apk_db_dir *dir);
void apk_db_dir_unref(struct apk_database *db, struct apk_db_dir *dir, int allow_rmdir);
struct apk_db_dir *apk_db_dir_get(struct apk_database *db, apk_blob_t name);
struct apk_db_dir *apk_db_dir_query(struct apk_database *db, apk_blob_t name);
struct apk_db_file *apk_db_file_query(struct apk_database *db,
				      apk_blob_t dir, apk_blob_t name);

#define APK_OPENF_READ			0x0001
#define APK_OPENF_WRITE			0x0002
#define APK_OPENF_CREATE		0x0004
#define APK_OPENF_NO_INSTALLED		0x0010
#define APK_OPENF_NO_SCRIPTS		0x0020
#define APK_OPENF_NO_WORLD		0x0040
#define APK_OPENF_NO_SYS_REPOS		0x0100
#define APK_OPENF_NO_INSTALLED_REPO	0x0200
#define APK_OPENF_CACHE_WRITE		0x0400

#define APK_OPENF_NO_REPOS	(APK_OPENF_NO_SYS_REPOS |	\
				 APK_OPENF_NO_INSTALLED_REPO)
#define APK_OPENF_NO_STATE	(APK_OPENF_NO_INSTALLED |	\
				 APK_OPENF_NO_SCRIPTS |		\
				 APK_OPENF_NO_WORLD)

int apk_db_open(struct apk_database *db, struct apk_db_options *dbopts);
void apk_db_close(struct apk_database *db);
int apk_db_write_config(struct apk_database *db);
int apk_db_permanent(struct apk_database *db);
int apk_db_check_world(struct apk_database *db, struct apk_dependency_array *world);
int apk_db_fire_triggers(struct apk_database *db);

struct apk_package *apk_db_pkg_add(struct apk_database *db, struct apk_package *pkg);
struct apk_package *apk_db_get_pkg(struct apk_database *db, struct apk_checksum *csum);
struct apk_package *apk_db_get_file_owner(struct apk_database *db, apk_blob_t filename);

int apk_db_index_read(struct apk_database *db, struct apk_bstream *bs, int repo);
int apk_db_index_read_file(struct apk_database *db, const char *file, int repo);
int apk_db_index_write(struct apk_database *db, struct apk_ostream *os);

int apk_db_add_repository(apk_database_t db, apk_blob_t repository);
struct apk_repository *apk_db_select_repo(struct apk_database *db,
					  struct apk_package *pkg);

int apk_repo_format_cache_index(apk_blob_t to, struct apk_repository *repo);
int apk_repo_format_item(struct apk_database *db, struct apk_repository *repo, struct apk_package *pkg,
			 int *fd, char *buf, size_t len);

unsigned int apk_db_get_pinning_mask_repos(struct apk_database *db, unsigned short pinning_mask);

int apk_db_cache_active(struct apk_database *db);
int apk_cache_download(struct apk_database *db, struct apk_repository *repo,
		       struct apk_package *pkg, int verify);

typedef void (*apk_cache_item_cb)(struct apk_database *db,
				  int dirfd, const char *name,
				  struct apk_package *pkg);
int apk_db_cache_foreach_item(struct apk_database *db, apk_cache_item_cb cb);

int apk_db_install_pkg(struct apk_database *db,
		       struct apk_package *oldpkg,
		       struct apk_package *newpkg,
		       apk_progress_cb cb, void *cb_ctx);

#endif