razor: librazor/razor-internal.h@6a6462ce8a08

     1 /*

     2  * Copyright (C) 2008  Kristian Høgsberg <krh@redhat.com>

     3  * Copyright (C) 2008  Red Hat, Inc

     4  * Copyright (C) 2009  J. Ali Harlow <ali@juiblex.co.uk>

     5  *

     6  * This program is free software; you can redistribute it and/or modify

     7  * it under the terms of the GNU General Public License as published by

     8  * the Free Software Foundation; either version 2 of the License, or

     9  * (at your option) any later version.

    10  *

    11  * This program is distributed in the hope that it will be useful,

    12  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    14  * GNU General Public License for more details.

    15  *

    16  * You should have received a copy of the GNU General Public License along

    17  * with this program; if not, write to the Free Software Foundation, Inc.,

    18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

    19  */

    21 #ifndef _RAZOR_INTERNAL_H_

    22 #define _RAZOR_INTERNAL_H_

    24 #include <stdlib.h>

    25 #include <stdint.h>

    26 #include <stdarg.h>

    27 #include <unistd.h>

    29 #include "razor.h"

    30 #include "types/types.h"

    32 /* GCC visibility */

    33 #if defined(__GNUC__) && __GNUC__ >= 4

    34 #define RAZOR_EXPORT __attribute__ ((visibility("default")))

    35 #else

    36 #define RAZOR_EXPORT

    37 #endif

    39 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))

    40 #define PADDING(value, base) (-(value) & (base - 1))

    41 #define ALIGN(value, base) ((value) + PADDING(value, base))

    42 void *zalloc(size_t size);

    44 struct razor_set_section {

    45 	uint32_t name;

    46 	uint32_t offset;

    47 	uint32_t size;

    48 };

    50 struct razor_set_header {

    51 	uint32_t magic;

    52 	uint32_t version;

    53 	uint32_t num_sections;

    54 };

    56 #define RAZOR_MAGIC 	0x525a4442

    57 #define RAZOR_VERSION	1

    59 #define RAZOR_STRING_POOL		"string_pool"

    60 #define RAZOR_PACKAGES			"packages"

    61 #define RAZOR_PROPERTIES		"properties"

    62 #define RAZOR_PACKAGE_POOL		"package_pool"

    63 #define RAZOR_PROPERTY_POOL		"property_pool"

    64 #define RAZOR_PREFIX_POOL		"prefix_pool"

    66 #define RAZOR_DETAILS_STRING_POOL	"details_string_pool"

    68 #define RAZOR_FILES			"files"

    69 #define RAZOR_FILE_POOL			"file_pool"

    70 #define RAZOR_FILE_STRING_POOL		"file_string_pool"

    72 struct razor_script {

    73 	uint32_t program;

    74 	uint32_t body;

    75 };

    77 struct razor_package {

    78 	unsigned int name  : 24;

    79 	unsigned int flags : 8;

    80 	uint32_t version;

    81 	uint32_t arch;

    82 	uint32_t summary;

    83 	uint32_t description;

    84 	uint32_t url;

    85 	uint32_t license;

    86 	struct list_head properties;

    87 	struct list_head files;

    88 	struct list_head install_prefixes;

    89 	struct razor_script preun;

    90 	struct razor_script postun;

    91 };

    94 struct razor_property {

    95 	uint32_t name;

    96 	uint32_t flags;

    97 	uint32_t version;

    98 	struct list_head packages;

    99 };

   101 struct razor_entry {

   102 	uint32_t name  : 24;

   103 	uint32_t flags : 8;

   104 	uint32_t start;

   105 	struct list_head packages;

   106 };

   108 #define RAZOR_ENTRY_LAST	0x80

   110 struct razor_set {

   111 	struct array string_pool;

   112  	struct array packages;

   113  	struct array properties;

   114  	struct array files;

   115 	struct array package_pool;

   116  	struct array property_pool;

   117  	struct array file_pool;

   118  	struct array prefix_pool;

   119 	struct array file_string_pool;

   120 	struct array details_string_pool;

   121 	struct razor_mapped_file *mapped_files;

   122 	int lock_fd;

   123 };

   125 struct import_entry {

   126 	uint32_t package;

   127 	char *name;

   128 };

   130 struct import_directory {

   131 	uint32_t name, count;

   132 	struct array files;

   133 	struct array packages;

   134 	struct import_directory *last;

   135 };

   137 struct razor_importer {

   138 	struct razor_set *set;

   139 	struct hashtable table;

   140 	struct hashtable file_table;

   141 	struct hashtable details_table;

   142 	struct razor_package *package;

   143 	struct array properties;

   144 	struct array files;

   145 	struct array file_requires;

   146 	struct array install_prefixes;

   147 };

   149 struct razor_package_iterator {

   150 	struct razor_set *set;

   151 	struct razor_package *package, *end;

   152 	struct list *index;

   153 	int free_index;

   154 };

   156 void

   157 razor_package_iterator_init_for_property(struct razor_package_iterator *pi,

   158 					 struct razor_set *set,

   159 					 struct razor_property *property);

   161 struct razor_property_iterator {

   162 	struct razor_set *set;

   163 	struct razor_property *property, *end;

   164 	struct list *index;

   165 };

   167 struct razor_file_iterator {

   168 	struct razor_set *set;

   169 	struct array path;

   170 	struct list *index;

   171 	int post_order;

   172 };

   174 int

   175 razor_set_aquire_lock(struct razor_set *set, const char *path, int exclusive);

   177 struct razor_entry *

   178 razor_set_find_entry(struct razor_set *set,

   179 		     struct razor_entry *dir, const char *pattern);

   181 struct razor_merger *

   182 razor_merger_create(struct razor_set *set1, struct razor_set *set2);

   183 void

   184 razor_merger_add_package(struct razor_merger *merger,

   185 			 struct razor_package *package);

   186 struct razor_set *

   187 razor_merger_commit(struct razor_merger *merger);

   188 void

   189 razor_merger_package_add_script(struct razor_merger *merger,

   190 				struct razor_package *package,

   191 				enum razor_property_flags script,

   192 				const char *program, const char *body);

   193 void

   194 razor_merger_destroy(struct razor_merger *merger);

   196 int run_lua_script(const char *root, const char *name, const char *body,

   197 		   ssize_t len, int arg1);

   199 int razor_run_script(const char *root, enum razor_property_flags script,

   200 		     const char *program, const char *body, int arg1);

   202 /* Utility functions */

   204 void

   205 razor_package_get_details_varg(struct razor_set *set,

   206 			       struct razor_package *package,

   207 			       va_list args);

   208 void razor_rpm_get_details_varg(struct razor_rpm *rpm, va_list args);

   210 int razor_create_dir(const char *root, const char *path);

   211 int razor_remove(const char *path);

   212 int razor_write(int fd, const void *data, size_t size);

   214 void *razor_file_get_contents(const char *filename, size_t *length);

   215 int razor_file_free_contents(void *addr, size_t length);

   218 typedef int (*razor_compare_with_data_func_t)(const void *p1,

   219 					      const void *p,

   220 					      void *data);

   221 uint32_t *

   222 razor_qsort_with_data(void *base, size_t nelem, size_t size,

   223 		      razor_compare_with_data_func_t compare, void *data);

   225 struct environment {

   226 	int is_set;

   227 	struct array vars, string_pool;

   228 };

   230 void environment_init(struct environment *env);

   231 void environment_add_variable(struct environment *env,

   232 			      const char *variable, const char *value);

   233 void environment_set(struct environment *env);

   234 void environment_unset(struct environment *env);

   235 void environment_release(struct environment *env);

   237 #endif /* _RAZOR_INTERNAL_H_ */

author	J. Ali Harlow <ali@juiblex.co.uk>
	Thu Oct 01 20:02:12 2009 +0100 (2009-10-01)
changeset 388	6a6462ce8a08
parent 377	5549419824b4
child 403	e63951c1d0f8
permissions	-rw-r--r--