razor.c
author Kristian H?gsberg <krh@redhat.com>
Thu Sep 13 10:54:13 2007 -0400 (2007-09-13)
changeset 24 5963746558e7
parent 23 8ffc32c648e2
child 25 09278d69f386
permissions -rw-r--r--
Fix warning.
krh@15
     1
#define _GNU_SOURCE
krh@15
     2
krh@0
     3
#include <stdlib.h>
krh@19
     4
#include <stddef.h>
krh@0
     5
#include <stdio.h>
krh@0
     6
#include <string.h>
krh@0
     7
#include <sys/types.h>
krh@0
     8
#include <sys/stat.h>
krh@0
     9
#include <sys/mman.h>
krh@0
    10
#include <unistd.h>
krh@0
    11
#include <fcntl.h>
krh@15
    12
#include <errno.h>
krh@0
    13
krh@0
    14
#include <expat.h>
krh@0
    15
#include "sha1.h"
krh@0
    16
krh@19
    17
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
krh@19
    18
krh@6
    19
struct array {
krh@6
    20
	void *data;
krh@6
    21
	int size, alloc;
krh@6
    22
};
krh@6
    23
krh@13
    24
static void
krh@13
    25
array_init(struct array *array)
krh@13
    26
{
krh@13
    27
	memset(array, 0, sizeof *array);
krh@13
    28
}
krh@13
    29
krh@13
    30
static void
krh@13
    31
array_release(struct array *array)
krh@13
    32
{
krh@13
    33
	free(array->data);
krh@13
    34
}
krh@13
    35
krh@6
    36
static void *
krh@6
    37
array_add(struct array *array, int size)
krh@6
    38
{
krh@6
    39
	int alloc;
krh@6
    40
	void *data, *p;
krh@6
    41
krh@6
    42
	if (array->alloc > 0)
krh@6
    43
		alloc = array->alloc;
krh@6
    44
	else
krh@10
    45
		alloc = 16;
krh@6
    46
krh@6
    47
	while (alloc < array->size + size)
krh@6
    48
		alloc *= 2;
krh@6
    49
krh@6
    50
	if (array->alloc < alloc) {
krh@6
    51
		data = realloc(array->data, alloc);
krh@6
    52
		if (data == NULL)
krh@6
    53
			return 0;
krh@6
    54
		array->data = data;
krh@6
    55
		array->alloc = alloc;
krh@6
    56
	}
krh@6
    57
krh@6
    58
	p = array->data + array->size;
krh@6
    59
	array->size += size;
krh@6
    60
krh@6
    61
	return p;
krh@6
    62
}
krh@6
    63
krh@0
    64
static int
krh@0
    65
write_to_fd(int fd, void *p, size_t size)
krh@0
    66
{
krh@0
    67
	int rest, len;
krh@0
    68
krh@0
    69
	rest = size;
krh@0
    70
	while (rest > 0) {
krh@0
    71
		len = write(fd, p, rest);
krh@0
    72
		if (len < 0)
krh@0
    73
			return -1;
krh@0
    74
		rest -= len;
krh@0
    75
	}
krh@0
    76
krh@0
    77
	return 0;
krh@0
    78
}
krh@0
    79
krh@0
    80
static int
krh@0
    81
write_to_file(const char *filename, void *p, size_t size)
krh@0
    82
{
krh@0
    83
	int fd, err;
krh@0
    84
krh@0
    85
	fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0666);
krh@0
    86
	if (fd < 0)
krh@0
    87
		return -1;
krh@0
    88
	err = write_to_fd(fd, p, size);
krh@0
    89
	close(fd);
krh@0
    90
krh@0
    91
	return err;
krh@0
    92
}
krh@0
    93
krh@0
    94
static void *
krh@0
    95
zalloc(size_t size)
krh@0
    96
{
krh@0
    97
	void *p;
krh@0
    98
krh@0
    99
	p = malloc(size);
krh@0
   100
	memset(p, 0, size);
krh@0
   101
krh@0
   102
	return p;
krh@0
   103
}
krh@0
   104
krh@19
   105
struct razor_set_section {
krh@19
   106
	unsigned int type;
krh@19
   107
	unsigned int offset;
krh@19
   108
	unsigned int size;
krh@19
   109
};
krh@19
   110
krh@4
   111
struct razor_set_header {
krh@4
   112
	unsigned int magic;
krh@4
   113
	unsigned int version;
krh@19
   114
	struct razor_set_section sections[0];
krh@4
   115
};
krh@4
   116
krh@4
   117
#define RAZOR_MAGIC 0x7a7a7a7a
krh@4
   118
#define RAZOR_VERSION 1
krh@8
   119
krh@19
   120
#define RAZOR_PACKAGES 0
krh@19
   121
#define RAZOR_REQUIRES 1
krh@19
   122
#define RAZOR_PROVIDES 2
krh@19
   123
#define RAZOR_STRING_POOL 3
krh@19
   124
#define RAZOR_PROPERTY_POOL 4
krh@4
   125
krh@4
   126
struct razor_package {
krh@4
   127
	unsigned long name;
krh@4
   128
	unsigned long version;
krh@10
   129
	unsigned long requires;
krh@10
   130
	unsigned long provides;
krh@4
   131
};
krh@4
   132
krh@8
   133
struct razor_property {
krh@7
   134
	unsigned long name;
krh@7
   135
	unsigned long version;
krh@9
   136
	unsigned long packages;
krh@7
   137
};
krh@7
   138
krh@4
   139
struct razor_set {
krh@6
   140
	struct array buckets;
krh@6
   141
	struct array string_pool;
krh@10
   142
	struct array property_pool;
krh@7
   143
 	struct array packages;
krh@8
   144
 	struct array requires;
krh@7
   145
 	struct array provides;
krh@4
   146
	struct razor_set_header *header;
krh@4
   147
};
krh@4
   148
krh@19
   149
struct razor_set_section razor_sections[] = {
krh@19
   150
	{ RAZOR_PACKAGES,	offsetof(struct razor_set, packages) },
krh@19
   151
	{ RAZOR_REQUIRES,	offsetof(struct razor_set, requires) },
krh@19
   152
	{ RAZOR_PROVIDES,	offsetof(struct razor_set, provides) },
krh@19
   153
	{ RAZOR_STRING_POOL,	offsetof(struct razor_set, string_pool) },
krh@19
   154
	{ RAZOR_PROPERTY_POOL,	offsetof(struct razor_set, property_pool) },
krh@19
   155
};
krh@19
   156
krh@4
   157
struct razor_set *
krh@4
   158
razor_set_create(void)
krh@0
   159
{
krh@18
   160
	return zalloc(sizeof(struct razor_set));
krh@0
   161
}
krh@0
   162
krh@4
   163
struct razor_set *
krh@4
   164
razor_set_open(const char *filename)
krh@0
   165
{
krh@4
   166
	struct razor_set *set;
krh@19
   167
	struct razor_set_section *s;
krh@0
   168
	struct stat stat;
krh@19
   169
	struct array *array;
krh@19
   170
	int fd;
krh@0
   171
krh@4
   172
	set = zalloc(sizeof *set);
krh@0
   173
	fd = open(filename, O_RDONLY);
krh@0
   174
	if (fstat(fd, &stat) < 0)
krh@0
   175
		return NULL;
krh@4
   176
	set->header = mmap(NULL, stat.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
krh@4
   177
	if (set->header == MAP_FAILED) {
krh@4
   178
		free(set);
krh@0
   179
		return NULL;
krh@0
   180
	}
krh@0
   181
krh@19
   182
	for (s = set->header->sections; ~s->type; s++) {
krh@19
   183
		if (s->type >= ARRAY_SIZE(razor_sections))
krh@19
   184
			continue;
krh@19
   185
		if (s->type != razor_sections[s->type].type)
krh@19
   186
			continue;
krh@19
   187
		array = (void *) set + razor_sections[s->type].offset;
krh@19
   188
		array->data = (void *) set->header + s->offset;
krh@19
   189
		array->size = s->size;
krh@19
   190
		array->alloc = s->size;
krh@0
   191
	}
krh@0
   192
	close(fd);
krh@0
   193
krh@4
   194
	return set;
krh@0
   195
}
krh@0
   196
krh@0
   197
void
krh@4
   198
razor_set_destroy(struct razor_set *set)
krh@0
   199
{
krh@0
   200
	unsigned int size;
krh@19
   201
	struct array *a;
krh@0
   202
	int i;
krh@0
   203
krh@4
   204
	if (set->header) {
krh@4
   205
		for (i = 0; set->header->sections[i].type; i++)
krh@0
   206
			;
krh@4
   207
		size = set->header->sections[i].type;
krh@4
   208
		munmap(set->header, size);
krh@17
   209
		free(set->buckets.data);
krh@0
   210
	} else {
krh@19
   211
		for (i = 0; i < ARRAY_SIZE(razor_sections); i++) {
krh@19
   212
			a = (void *) set + razor_sections[i].offset;
krh@19
   213
			free(a->data);
krh@19
   214
		}
krh@6
   215
		free(set->buckets.data);
krh@0
   216
	}
krh@0
   217
krh@4
   218
	free(set);
krh@0
   219
}
krh@0
   220
krh@0
   221
static int
krh@4
   222
razor_set_write(struct razor_set *set, const char *filename)
krh@0
   223
{
krh@0
   224
	char data[4096];
krh@4
   225
	struct razor_set_header *header = (struct razor_set_header *) data;
krh@19
   226
	struct array *a;
krh@17
   227
	unsigned long offset;
krh@17
   228
	int i, fd;
krh@0
   229
krh@0
   230
	memset(data, 0, sizeof data);
krh@4
   231
	header->magic = RAZOR_MAGIC;
krh@4
   232
	header->version = RAZOR_VERSION;
krh@17
   233
	offset = sizeof data;
krh@0
   234
krh@19
   235
	for (i = 0; i < ARRAY_SIZE(razor_sections); i++) {
krh@19
   236
		if (razor_sections[i].type != i)
krh@19
   237
			continue;
krh@19
   238
		a = (void *) set + razor_sections[i].offset;
krh@19
   239
		header->sections[i].type = i;
krh@17
   240
		header->sections[i].offset = offset;
krh@19
   241
		header->sections[i].size = a->size;
krh@19
   242
		offset += (a->size + 4095) & ~4095;
krh@17
   243
	}
krh@0
   244
krh@19
   245
	header->sections[i].type = ~0;
krh@17
   246
	header->sections[i].offset = 0;
krh@17
   247
	header->sections[i].size = 0;
krh@10
   248
krh@0
   249
	fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0666);
krh@0
   250
	if (fd < 0)
krh@0
   251
		return -1;
krh@0
   252
krh@0
   253
	write_to_fd(fd, data, sizeof data);
krh@19
   254
	for (i = 0; i < ARRAY_SIZE(razor_sections); i++) {
krh@19
   255
		if (razor_sections[i].type != i)
krh@19
   256
			continue;
krh@19
   257
		a = (void *) set + razor_sections[i].offset;
krh@19
   258
		write_to_fd(fd, a->data, (a->size + 4095) & ~4095);
krh@19
   259
	}
krh@17
   260
krh@17
   261
	close(fd);
krh@0
   262
krh@0
   263
	return 0;
krh@0
   264
}
krh@0
   265
krh@0
   266
static unsigned int
krh@0
   267
hash_string(const char *key)
krh@0
   268
{
krh@0
   269
	const char *p;
krh@0
   270
	unsigned int hash = 0;
krh@0
   271
krh@0
   272
	for (p = key; *p; p++)
krh@9
   273
		hash = (hash * 617) ^ *p;
krh@0
   274
krh@0
   275
	return hash;
krh@0
   276
}
krh@0
   277
krh@0
   278
unsigned long
krh@4
   279
razor_set_lookup(struct razor_set *set, const char *key)
krh@0
   280
{
krh@6
   281
	unsigned int mask, start, i;
krh@6
   282
	unsigned long *b;
krh@6
   283
	char *pool;
krh@0
   284
krh@6
   285
	pool = set->string_pool.data;
krh@6
   286
	mask = set->buckets.alloc - 1;
krh@6
   287
	start = hash_string(key) * sizeof(unsigned long);
krh@0
   288
krh@6
   289
	for (i = 0; i < set->buckets.alloc; i += sizeof *b) {
krh@6
   290
		b = set->buckets.data + ((start + i) & mask);
krh@6
   291
krh@6
   292
		if (*b == 0)
krh@0
   293
			return 0;
krh@0
   294
krh@6
   295
		if (strcmp(key, &pool[*b]) == 0)
krh@6
   296
			return *b;
krh@6
   297
	}
krh@0
   298
krh@0
   299
	return 0;
krh@0
   300
}
krh@0
   301
krh@0
   302
static unsigned long
krh@4
   303
add_to_string_pool(struct razor_set *set, const char *key)
krh@0
   304
{
krh@6
   305
	int len;
krh@6
   306
	char *p;
krh@0
   307
krh@0
   308
	len = strlen(key) + 1;
krh@6
   309
	p = array_add(&set->string_pool, len);
krh@6
   310
	memcpy(p, key, len);
krh@0
   311
krh@6
   312
	return p - (char *) set->string_pool.data;
krh@0
   313
}
krh@0
   314
krh@10
   315
static unsigned long
krh@10
   316
add_to_property_pool(struct razor_set *set, struct array *properties)
krh@10
   317
{
krh@10
   318
	unsigned long  *p;
krh@10
   319
krh@10
   320
	p = array_add(properties, sizeof *p);
krh@18
   321
	*p = ~0ul;
krh@10
   322
	p = array_add(&set->property_pool, properties->size);
krh@10
   323
	memcpy(p, properties->data, properties->size);
krh@10
   324
krh@10
   325
	return p - (unsigned long *) set->property_pool.data;
krh@10
   326
}
krh@10
   327
krh@0
   328
static void
krh@4
   329
do_insert(struct razor_set *set, unsigned long value)
krh@0
   330
{
krh@6
   331
	unsigned int mask, start, i;
krh@6
   332
	unsigned long *b;
krh@0
   333
	const char *key;
krh@0
   334
krh@6
   335
	key = (char *) set->string_pool.data + value;
krh@6
   336
	mask = set->buckets.alloc - 1;
krh@6
   337
	start = hash_string(key) * sizeof(unsigned long);
krh@6
   338
krh@6
   339
	for (i = 0; i < set->buckets.alloc; i += sizeof *b) {
krh@6
   340
		b = set->buckets.data + ((start + i) & mask);
krh@6
   341
		if (*b == 0) {
krh@6
   342
			*b = value;
krh@0
   343
			break;
krh@0
   344
		}
krh@6
   345
	}
krh@0
   346
}
krh@0
   347
krh@0
   348
unsigned long
krh@4
   349
razor_set_insert(struct razor_set *set, const char *key)
krh@0
   350
{
krh@6
   351
	unsigned long value, *buckets, *b, *end;
krh@6
   352
	int alloc;
krh@0
   353
krh@6
   354
	alloc = set->buckets.alloc;
krh@6
   355
	array_add(&set->buckets, 4 * sizeof *buckets);
krh@6
   356
	if (alloc != set->buckets.alloc) {
krh@6
   357
		end = set->buckets.data + alloc;
krh@6
   358
		memset(end, 0, set->buckets.alloc - alloc);
krh@6
   359
		for (b = set->buckets.data; b < end; b++) {
krh@6
   360
			value = *b;
krh@6
   361
			if (value != 0) {
krh@6
   362
				*b = 0;
krh@4
   363
				do_insert(set, value);
krh@6
   364
			}
krh@0
   365
		}
krh@0
   366
	}
krh@0
   367
krh@4
   368
	value = add_to_string_pool(set, key);
krh@4
   369
	do_insert (set, value);
krh@0
   370
krh@0
   371
	return value;
krh@0
   372
}
krh@0
   373
krh@0
   374
unsigned long
krh@4
   375
razor_set_tokenize(struct razor_set *set, const char *string)
krh@0
   376
{
krh@0
   377
	unsigned long token;
krh@0
   378
krh@13
   379
	if (string == NULL)
krh@18
   380
		return razor_set_tokenize(set, "");
krh@13
   381
krh@4
   382
	token = razor_set_lookup(set, string);
krh@0
   383
	if (token != 0)
krh@0
   384
		return token;
krh@0
   385
krh@4
   386
	return razor_set_insert(set, string);
krh@0
   387
}
krh@0
   388
krh@13
   389
struct import_property_context {
krh@10
   390
	struct array all;
krh@10
   391
	struct array package;
krh@10
   392
};
krh@10
   393
krh@9
   394
struct import_context {
krh@4
   395
	struct razor_set *set;
krh@13
   396
	struct import_property_context requires;
krh@13
   397
	struct import_property_context provides;
krh@18
   398
	struct array packages;
krh@18
   399
	struct import_package *package;
krh@10
   400
	unsigned long *requires_map;
krh@10
   401
	unsigned long *provides_map;
krh@10
   402
};
krh@10
   403
krh@18
   404
struct import_package {
krh@18
   405
	unsigned long name;
krh@18
   406
	unsigned long version;
krh@18
   407
	unsigned long requires;
krh@18
   408
	unsigned long provides;
krh@18
   409
	unsigned long index;
krh@18
   410
};
krh@18
   411
krh@10
   412
struct import_property {
krh@10
   413
	unsigned long name;
krh@10
   414
	unsigned long version;
krh@10
   415
	unsigned long package;
krh@10
   416
	unsigned long index;
krh@10
   417
	unsigned long unique_index;
krh@0
   418
};
krh@0
   419
krh@0
   420
static void
krh@13
   421
import_context_add_package(struct import_context *ctx,
krh@13
   422
			   const char *name, const char *version)
krh@13
   423
{
krh@18
   424
	struct import_package *p;
krh@13
   425
krh@18
   426
	p = array_add(&ctx->packages, sizeof *p);
krh@13
   427
	p->name = razor_set_tokenize(ctx->set, name);
krh@13
   428
	p->version = razor_set_tokenize(ctx->set, version);
krh@18
   429
	p->index = p - (struct import_package *) ctx->packages.data;
krh@13
   430
krh@18
   431
	ctx->package = p;
krh@13
   432
	array_init(&ctx->requires.package);
krh@13
   433
	array_init(&ctx->provides.package);
krh@13
   434
}
krh@13
   435
krh@13
   436
void
krh@13
   437
import_context_finish_package(struct import_context *ctx)
krh@13
   438
{
krh@18
   439
	struct import_package *p;
krh@13
   440
krh@18
   441
	p = ctx->package;
krh@13
   442
	p->requires = add_to_property_pool(ctx->set, &ctx->requires.package);
krh@13
   443
	p->provides = add_to_property_pool(ctx->set, &ctx->provides.package);
krh@13
   444
krh@13
   445
	array_release(&ctx->requires.package);
krh@13
   446
	array_release(&ctx->provides.package);
krh@13
   447
}
krh@13
   448
krh@13
   449
static void
krh@13
   450
import_context_add_property(struct import_context *ctx,
krh@13
   451
			    struct import_property_context *pctx,
krh@13
   452
			    const char *name, const char *version)
krh@13
   453
{
krh@13
   454
	struct import_property *p;
krh@13
   455
	unsigned long *r;
krh@13
   456
krh@13
   457
	p = array_add(&pctx->all, sizeof *p);
krh@13
   458
	p->name = razor_set_tokenize(ctx->set, name);
krh@13
   459
	p->version = razor_set_tokenize(ctx->set, version);
krh@18
   460
	p->package = ctx->package->index;
krh@13
   461
	p->index = p - (struct import_property *) pctx->all.data;
krh@13
   462
krh@13
   463
	r = array_add(&pctx->package, sizeof *r);
krh@13
   464
	*r = p->index;
krh@13
   465
}
krh@13
   466
krh@13
   467
static void
krh@9
   468
parse_package(struct import_context *ctx, const char **atts, void *data)
krh@3
   469
{
krh@13
   470
	const char *name = NULL, *version = NULL;
krh@3
   471
	int i;
krh@3
   472
krh@3
   473
	for (i = 0; atts[i]; i += 2) {
krh@3
   474
		if (strcmp(atts[i], "name") == 0)
krh@13
   475
			name = atts[i + 1];
krh@3
   476
		else if (strcmp(atts[i], "version") == 0)
krh@13
   477
			version = atts[i + 1];
krh@3
   478
	}
krh@3
   479
krh@13
   480
	if (name == NULL || version == NULL) {
krh@3
   481
		fprintf(stderr, "invalid package tag, "
krh@3
   482
			"missing name or version attributes\n");
krh@3
   483
		return;
krh@3
   484
	}
krh@3
   485
krh@13
   486
	import_context_add_package(ctx, name, version);
krh@3
   487
}
krh@3
   488
krh@3
   489
static void
krh@9
   490
parse_property(struct import_context *ctx, const char **atts, void *data)
krh@8
   491
{
krh@13
   492
	const char *name = NULL, *version = NULL;
krh@8
   493
	int i;
krh@8
   494
krh@8
   495
	for (i = 0; atts[i]; i += 2) {
krh@8
   496
		if (strcmp(atts[i], "name") == 0)
krh@13
   497
			name = atts[i + 1];
krh@9
   498
		if (strcmp(atts[i], "version") == 0)
krh@13
   499
			version = atts[i + 1];
krh@8
   500
	}
krh@8
   501
	
krh@13
   502
	if (name == NULL) {
krh@9
   503
		fprintf(stderr, "invalid tag, missing name attribute\n");
krh@8
   504
		return;
krh@8
   505
	}
krh@8
   506
krh@13
   507
	import_context_add_property(ctx, data, name, version);
krh@7
   508
}
krh@7
   509
krh@7
   510
static void
krh@0
   511
start_element(void *data, const char *name, const char **atts)
krh@0
   512
{
krh@9
   513
	struct import_context *ctx = data;
krh@0
   514
krh@3
   515
	if (strcmp(name, "package") == 0)
krh@9
   516
		parse_package(ctx, atts, NULL);
krh@8
   517
	else if (strcmp(name, "requires") == 0)
krh@9
   518
		parse_property(ctx, atts, &ctx->requires);
krh@7
   519
	else if (strcmp(name, "provides") == 0)
krh@9
   520
		parse_property(ctx, atts, &ctx->provides);
krh@0
   521
}
krh@0
   522
krh@0
   523
static void
krh@0
   524
end_element (void *data, const char *name)
krh@0
   525
{
krh@9
   526
	struct import_context *ctx = data;
krh@4
   527
krh@13
   528
	if (strcmp(name, "package") == 0)
krh@13
   529
		import_context_finish_package(ctx);
krh@0
   530
}
krh@0
   531
krh@0
   532
static char *
krh@0
   533
sha1_to_hex(const unsigned char *sha1)
krh@0
   534
{
krh@0
   535
	static int bufno;
krh@0
   536
	static char hexbuffer[4][50];
krh@0
   537
	static const char hex[] = "0123456789abcdef";
krh@0
   538
	char *buffer = hexbuffer[3 & ++bufno], *buf = buffer;
krh@0
   539
	int i;
krh@0
   540
krh@0
   541
	for (i = 0; i < 20; i++) {
krh@0
   542
		unsigned int val = *sha1++;
krh@0
   543
		*buf++ = hex[val >> 4];
krh@0
   544
		*buf++ = hex[val & 0xf];
krh@0
   545
	}
krh@0
   546
	*buf = '\0';
krh@0
   547
krh@0
   548
	return buffer;
krh@0
   549
}
krh@0
   550
krh@9
   551
static void
krh@13
   552
razor_prepare_import(struct import_context *ctx)
krh@9
   553
{
krh@9
   554
	memset(ctx, 0, sizeof *ctx);
krh@13
   555
	ctx->set = razor_set_create();
krh@9
   556
}
krh@9
   557
krh@0
   558
static int
krh@13
   559
razor_import(struct import_context *ctx, const char *filename)
krh@0
   560
{
krh@0
   561
	SHA_CTX sha1;
krh@0
   562
	XML_Parser parser;
krh@0
   563
	int fd;
krh@0
   564
	void *p;
krh@0
   565
	struct stat stat;
krh@0
   566
	char buf[128];
krh@0
   567
	unsigned char hash[20];
krh@0
   568
krh@0
   569
	fd = open(filename, O_RDONLY);
krh@0
   570
	if (fstat(fd, &stat) < 0)
krh@0
   571
		return -1;
krh@0
   572
	p = mmap(NULL, stat.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
krh@0
   573
	if (p == MAP_FAILED)
krh@0
   574
		return -1;
krh@0
   575
krh@0
   576
	parser = XML_ParserCreate(NULL);
krh@9
   577
	XML_SetUserData(parser, ctx);
krh@0
   578
	XML_SetElementHandler(parser, start_element, end_element);
krh@0
   579
	if (XML_Parse(parser, p, stat.st_size, 1) == XML_STATUS_ERROR) {
krh@0
   580
		fprintf(stderr,
krh@0
   581
			"%s at line %d, %s\n",
krh@0
   582
			XML_ErrorString(XML_GetErrorCode(parser)),
krh@0
   583
			XML_GetCurrentLineNumber(parser),
krh@0
   584
			filename);
krh@0
   585
		return 1;
krh@0
   586
	}
krh@0
   587
krh@0
   588
	XML_ParserFree(parser);
krh@0
   589
krh@0
   590
	SHA1_Init(&sha1);
krh@0
   591
	SHA1_Update(&sha1, p, stat.st_size);
krh@0
   592
	SHA1_Final(hash, &sha1);
krh@0
   593
krh@0
   594
	close(fd);
krh@0
   595
krh@0
   596
	snprintf(buf, sizeof buf, "set/%s", sha1_to_hex(hash));
krh@0
   597
	if (write_to_file(buf, p, stat.st_size) < 0)
krh@0
   598
		return -1;
krh@0
   599
	munmap(p, stat.st_size);
krh@0
   600
krh@0
   601
	return 0;
krh@0
   602
}
krh@0
   603
krh@22
   604
typedef int (*compare_with_data_func_t)(const void *p1,
krh@22
   605
					const void *p,
krh@22
   606
					void *data);
krh@22
   607
krh@22
   608
static void
krh@22
   609
qsort_swap(void *p1, void *p2, size_t size)
krh@22
   610
{
krh@22
   611
	char buffer[size];
krh@22
   612
krh@22
   613
	memcpy(buffer, p1, size);
krh@22
   614
	memcpy(p1, p2, size);
krh@22
   615
	memcpy(p2, buffer, size);
krh@22
   616
}
krh@22
   617
krh@22
   618
void
krh@22
   619
qsort_with_data(void *base, size_t nelem, size_t size,
krh@22
   620
		compare_with_data_func_t compare, void *data)
krh@22
   621
{
krh@22
   622
	void *p, *start, *end, *pivot;
krh@22
   623
	int left, right, result;
krh@22
   624
krh@22
   625
	p = base;
krh@22
   626
	start = base;
krh@22
   627
	end = base + nelem * size;
krh@22
   628
	pivot = base + (random() % nelem) * size;
krh@22
   629
	
krh@22
   630
	while (p < end) {
krh@22
   631
		result = compare(p, pivot, data);
krh@22
   632
		if (result < 0) {
krh@22
   633
			qsort_swap(p, start, size);
krh@22
   634
			if (start == pivot)
krh@22
   635
				pivot = p;
krh@22
   636
			start += size;
krh@22
   637
			p += size;
krh@22
   638
		} else if (result == 0) {
krh@22
   639
			p += size;
krh@22
   640
		} else {
krh@22
   641
 			end -= size;
krh@22
   642
			qsort_swap(p, end, size);
krh@22
   643
			if (end == pivot)
krh@22
   644
				pivot = p;
krh@22
   645
		}
krh@22
   646
	}
krh@22
   647
krh@22
   648
	left = (start - base) / size;
krh@22
   649
	right = (base + nelem * size - end) / size;
krh@22
   650
	if (left > 1)
krh@22
   651
		qsort_with_data(base, left, size, compare, data);
krh@22
   652
	if (right > 1)
krh@22
   653
		qsort_with_data(end, right, size, compare, data);
krh@22
   654
}
krh@9
   655
krh@9
   656
static int
krh@22
   657
compare_packages(const void *p1, const void *p2, void *data)
krh@9
   658
{
krh@18
   659
	const struct import_package *pkg1 = p1, *pkg2 = p2;
krh@22
   660
	struct razor_set *set = data;
krh@22
   661
	char *pool = set->string_pool.data;
krh@9
   662
krh@23
   663
	if (pkg1->name == pkg2->name)
krh@23
   664
		return 0;
krh@23
   665
	else
krh@23
   666
		return strcmp(&pool[pkg1->name], &pool[pkg2->name]);
krh@9
   667
}
krh@9
   668
krh@9
   669
static int
krh@22
   670
compare_properties(const void *p1, const void *p2, void *data)
krh@9
   671
{
krh@10
   672
	const struct import_property *prop1 = p1, *prop2 = p2;
krh@22
   673
	struct razor_set *set = data;
krh@22
   674
	char *pool = set->string_pool.data;
krh@9
   675
krh@23
   676
	if (prop1->name == prop2->name)
krh@12
   677
		return strcmp(&pool[prop1->version], &pool[prop2->version]);
krh@12
   678
	else
krh@23
   679
		return strcmp(&pool[prop1->name], &pool[prop2->name]);
krh@9
   680
}
krh@9
   681
krh@10
   682
static unsigned long *
krh@18
   683
uniqueify_properties(struct razor_set *set,
krh@18
   684
		     struct array *in, struct array *out)
krh@9
   685
{
krh@10
   686
	struct import_property *ip, *end;
krh@18
   687
	struct razor_property *rp, *rp_end;
krh@18
   688
	struct array *pkgs, *p;
krh@18
   689
	unsigned long *map, *r;
krh@18
   690
	int i, count, unique;
krh@9
   691
krh@10
   692
	count = in->size / sizeof(struct import_property);
krh@22
   693
	qsort_with_data(in->data,
krh@22
   694
			count,
krh@22
   695
			sizeof(struct import_property),
krh@22
   696
			compare_properties,
krh@22
   697
			set);
krh@9
   698
krh@10
   699
	rp = NULL;
krh@9
   700
	end = in->data + in->size;
krh@10
   701
	for (ip = in->data; ip < end; ip++) {
krh@10
   702
		if (rp == NULL ||
krh@10
   703
		    ip->name != rp->name || ip->version != rp->version) {
krh@10
   704
			rp = array_add(out, sizeof *rp);
krh@10
   705
			rp->name = ip->name;
krh@10
   706
			rp->version = ip->version;
krh@10
   707
		}
krh@10
   708
		ip->unique_index = rp - (struct razor_property *) out->data;
krh@10
   709
	}
krh@9
   710
krh@10
   711
	map = malloc(count * sizeof (unsigned long));
krh@10
   712
	ip = in->data;
krh@10
   713
	for (i = 0; i < count; i++)
krh@10
   714
		map[ip[i].index] = ip[i].unique_index;
krh@10
   715
krh@18
   716
	unique = out->size / sizeof(*rp);
krh@18
   717
	pkgs = zalloc(unique * sizeof *pkgs);
krh@18
   718
	for (ip = in->data; ip < end; ip++) {
krh@18
   719
		r = array_add(&pkgs[ip->unique_index], sizeof *r);
krh@18
   720
		*r = ip->package;
krh@18
   721
	}
krh@18
   722
krh@18
   723
	rp_end = out->data + out->size;
krh@18
   724
	for (rp = out->data, p = pkgs; rp < rp_end; rp++, p++)
krh@18
   725
		rp->packages = add_to_property_pool(set, p);
krh@18
   726
krh@18
   727
	free(pkgs);
krh@18
   728
krh@10
   729
	return map;
krh@10
   730
}
krh@10
   731
krh@10
   732
static void
krh@18
   733
remap_package_links(struct import_context *ctx)
krh@10
   734
{
krh@18
   735
	struct import_package *p, *end;
krh@10
   736
	unsigned long *pool, *r;
krh@10
   737
krh@10
   738
	pool = ctx->set->property_pool.data;
krh@18
   739
	end = ctx->packages.data + ctx->packages.size;
krh@18
   740
	for (p = ctx->packages.data; p < end; p++) {
krh@18
   741
		for (r = &pool[p->requires]; ~*r; r++)
krh@10
   742
			*r = ctx->requires_map[*r];
krh@18
   743
		for (r = &pool[p->provides]; ~*r; r++)
krh@10
   744
			*r = ctx->provides_map[*r];
krh@9
   745
	}
krh@18
   746
}
krh@10
   747
krh@18
   748
static void
krh@18
   749
remap_property_links(struct import_context *ctx)
krh@18
   750
{
krh@18
   751
	struct razor_property *p, *end;
krh@18
   752
	struct import_package *ip;
krh@18
   753
	unsigned long *map, *pool, *r;
krh@18
   754
	int i, count;
krh@18
   755
krh@18
   756
	pool = ctx->set->property_pool.data;
krh@18
   757
	count = ctx->packages.size / sizeof(struct import_package);
krh@18
   758
	map = malloc(count * sizeof *map);
krh@18
   759
	ip = ctx->packages.data;
krh@18
   760
	for (i = 0; i < count; i++)
krh@18
   761
		map[ip[i].index] = i;
krh@18
   762
krh@18
   763
	/* FIXME: This will break if we implement package list sharing
krh@18
   764
	 * for all properties, since we'll remap those lists more than
krh@18
   765
	 * once. We should just have a separate pool for property
krh@18
   766
	 * lists and a separate pool for package lists and remap it as
krh@18
   767
	 * a flat pool.  Right now, as property lists and package
krh@18
   768
	 * lists are mixed, we can't do that. */
krh@18
   769
krh@18
   770
	end = ctx->set->requires.data + ctx->set->requires.size;
krh@18
   771
	for (p = ctx->set->requires.data; p < end; p++)
krh@18
   772
		for (r = &pool[p->packages]; ~*r; r++)
krh@18
   773
			*r = map[*r];
krh@18
   774
krh@18
   775
	end = ctx->set->provides.data + ctx->set->provides.size;
krh@18
   776
	for (p = ctx->set->provides.data; p < end; p++)
krh@18
   777
		for (r = &pool[p->packages]; ~*r; r++)
krh@18
   778
			*r = map[*r];
krh@18
   779
krh@18
   780
	free(map);
krh@9
   781
}
krh@9
   782
krh@13
   783
static struct razor_set *
krh@13
   784
razor_finish_import(struct import_context *ctx)
krh@9
   785
{
krh@18
   786
	struct import_package *ip;
krh@18
   787
	struct razor_package *rp;
krh@18
   788
	int i, count;
krh@18
   789
krh@10
   790
	ctx->requires_map =
krh@18
   791
		uniqueify_properties(ctx->set, 
krh@18
   792
				     &ctx->requires.all,
krh@18
   793
				     &ctx->set->requires);
krh@10
   794
	ctx->provides_map =
krh@18
   795
		uniqueify_properties(ctx->set,
krh@18
   796
				     &ctx->provides.all,
krh@18
   797
				     &ctx->set->provides);
krh@9
   798
krh@18
   799
	remap_package_links(ctx);
krh@18
   800
krh@18
   801
	count = ctx->packages.size / sizeof(struct import_package);
krh@22
   802
	qsort_with_data(ctx->packages.data,
krh@22
   803
			count,
krh@22
   804
			sizeof(struct import_package),
krh@22
   805
			compare_packages,
krh@22
   806
			ctx->set);
krh@18
   807
krh@18
   808
	ip = ctx->packages.data;
krh@18
   809
	for (i = 0; i < count; i++, ip++, rp++) {
krh@18
   810
		rp = array_add(&ctx->set->packages, sizeof *rp);
krh@18
   811
		rp->name = ip->name;
krh@18
   812
		rp->version = ip->version;
krh@18
   813
		rp->requires = ip->requires;
krh@18
   814
		rp->provides = ip->provides;
krh@18
   815
	}
krh@18
   816
krh@18
   817
	remap_property_links(ctx);
krh@10
   818
krh@10
   819
	free(ctx->requires.all.data);
krh@10
   820
	free(ctx->provides.all.data);
krh@10
   821
	free(ctx->requires_map);
krh@10
   822
	free(ctx->provides_map);
krh@13
   823
		
krh@9
   824
	fprintf(stderr, "parsed %d requires, %d unique\n",
krh@10
   825
		ctx->requires.all.size / sizeof(struct import_property),
krh@9
   826
		ctx->set->requires.size / sizeof(struct razor_property));
krh@9
   827
	fprintf(stderr, "parsed %d provides, %d unique\n",
krh@10
   828
		ctx->provides.all.size / sizeof(struct import_property),
krh@9
   829
		ctx->set->provides.size / sizeof(struct razor_property));
krh@13
   830
krh@13
   831
	return ctx->set; 
krh@9
   832
}
krh@9
   833
krh@15
   834
/* Import a yum filelist as a razor package set. */
krh@15
   835
krh@15
   836
enum {
krh@15
   837
	YUM_STATE_BEGIN,
krh@15
   838
	YUM_STATE_PACKAGE_NAME
krh@15
   839
};
krh@15
   840
krh@15
   841
struct yum_context {
krh@15
   842
	struct import_context ctx;
krh@15
   843
	struct import_property_context *current_property_context;
krh@15
   844
	char *name;
krh@15
   845
	int state;
krh@15
   846
};
krh@15
   847
krh@15
   848
static void
krh@15
   849
yum_start_element(void *data, const char *name, const char **atts)
krh@15
   850
{
krh@15
   851
	struct yum_context *ctx = data;
krh@15
   852
	const char *n, *version;
krh@15
   853
	int i;
krh@15
   854
krh@15
   855
	if (strcmp(name, "name") == 0) {
krh@15
   856
		ctx->state = YUM_STATE_PACKAGE_NAME;
krh@15
   857
	} else if (strcmp(name, "version") == 0) {
krh@24
   858
		version = NULL;
krh@15
   859
		for (i = 0; atts[i]; i += 2) {
krh@15
   860
			if (strcmp(atts[i], "ver") == 0)
krh@15
   861
				version = atts[i + 1];
krh@15
   862
		}
krh@15
   863
		import_context_add_package(&ctx->ctx, ctx->name, version);
krh@15
   864
	} else if (strcmp(name, "rpm:requires") == 0) {
krh@15
   865
		ctx->current_property_context = &ctx->ctx.requires;
krh@15
   866
	} else if (strcmp(name, "rpm:provides") == 0) {
krh@15
   867
		ctx->current_property_context = &ctx->ctx.provides;
krh@15
   868
	} else if (strcmp(name, "rpm:entry") == 0 &&
krh@15
   869
		   ctx->current_property_context != NULL) {
krh@15
   870
		n = NULL;
krh@15
   871
		version = NULL;
krh@15
   872
		for (i = 0; atts[i]; i += 2) {
krh@15
   873
			if (strcmp(atts[i], "name") == 0)
krh@15
   874
				n = atts[i + 1];
krh@15
   875
			else if (strcmp(atts[i], "ver") == 0)
krh@15
   876
				version = atts[i + 1];
krh@15
   877
		}
krh@15
   878
krh@15
   879
		if (n == NULL) {
krh@15
   880
			fprintf(stderr, "invalid rpm:entry, "
krh@15
   881
				"missing name or version attributes\n");
krh@15
   882
			return;
krh@15
   883
		}
krh@15
   884
krh@15
   885
		import_context_add_property(&ctx->ctx,
krh@15
   886
					    ctx->current_property_context,
krh@15
   887
					    n, version);
krh@15
   888
	}
krh@15
   889
}
krh@15
   890
krh@15
   891
static void
krh@15
   892
yum_end_element (void *data, const char *name)
krh@15
   893
{
krh@15
   894
	struct yum_context *ctx = data;
krh@15
   895
krh@15
   896
	if (strcmp(name, "package") == 0) {
krh@15
   897
		free(ctx->name);
krh@15
   898
		import_context_finish_package(&ctx->ctx);
krh@15
   899
	} else if (strcmp(name, "name") == 0) {
krh@15
   900
		ctx->state = 0;
krh@15
   901
	} else if (strcmp(name, "rpm:requires") == 0) {
krh@15
   902
		ctx->current_property_context = NULL;
krh@15
   903
	} else if (strcmp(name, "rpm:provides") == 0) {
krh@15
   904
		ctx->current_property_context = NULL;
krh@15
   905
	}
krh@15
   906
}
krh@15
   907
krh@15
   908
static void
krh@15
   909
yum_character_data (void *data, const XML_Char *s, int len)
krh@15
   910
{
krh@15
   911
	struct yum_context *ctx = data;
krh@15
   912
krh@15
   913
	if (ctx->state == YUM_STATE_PACKAGE_NAME)
krh@15
   914
		ctx->name = strndup(s, len);
krh@15
   915
}
krh@15
   916
krh@15
   917
static struct razor_set *
krh@15
   918
razor_set_create_from_yum_filelist(int fd)
krh@15
   919
{
krh@15
   920
	struct yum_context ctx;
krh@15
   921
	XML_Parser parser;
krh@15
   922
	char buf[4096];
krh@15
   923
	int len;
krh@15
   924
krh@15
   925
	razor_prepare_import(&ctx.ctx);
krh@15
   926
krh@15
   927
	parser = XML_ParserCreate(NULL);
krh@15
   928
	XML_SetUserData(parser, &ctx);
krh@15
   929
	XML_SetElementHandler(parser, yum_start_element, yum_end_element);
krh@15
   930
	XML_SetCharacterDataHandler(parser, yum_character_data);
krh@15
   931
krh@15
   932
	while (1) {
krh@15
   933
		len = read(fd, buf, sizeof buf);
krh@15
   934
		if (len < 0) {
krh@15
   935
			fprintf(stderr,
krh@15
   936
				"couldn't read input: %s\n", strerror(errno));
krh@15
   937
			return NULL;
krh@15
   938
		} else if (len == 0)
krh@15
   939
			break;
krh@15
   940
krh@15
   941
		if (XML_Parse(parser, buf, len, 0) == XML_STATUS_ERROR) {
krh@15
   942
			fprintf(stderr,
krh@15
   943
				"%s at line %d\n",
krh@15
   944
				XML_ErrorString(XML_GetErrorCode(parser)),
krh@15
   945
				XML_GetCurrentLineNumber(parser));
krh@15
   946
			return NULL;
krh@15
   947
		}
krh@15
   948
	}
krh@15
   949
krh@15
   950
	XML_ParserFree(parser);
krh@15
   951
krh@15
   952
	return razor_finish_import(&ctx.ctx);
krh@15
   953
}
krh@15
   954
krh@0
   955
void
krh@4
   956
razor_set_list(struct razor_set *set)
krh@3
   957
{
krh@6
   958
	struct razor_package *p, *end;
krh@6
   959
	char *pool;
krh@3
   960
krh@6
   961
	pool = set->string_pool.data;
krh@6
   962
	end = set->packages.data + set->packages.size;
krh@14
   963
	for (p = set->packages.data; p < end; p++)
krh@6
   964
		printf("%s %s\n", &pool[p->name], &pool[p->version]);
krh@3
   965
}
krh@3
   966
krh@16
   967
struct razor_set *bsearch_set;
krh@16
   968
krh@16
   969
static int
krh@16
   970
compare_package_name(const void *key, const void *data)
krh@16
   971
{
krh@16
   972
	const struct razor_package *p = data;
krh@16
   973
	char *pool;
krh@16
   974
krh@16
   975
	pool = bsearch_set->string_pool.data;
krh@16
   976
krh@16
   977
	return strcmp(key, &pool[p->name]);
krh@16
   978
}
krh@16
   979
krh@10
   980
struct razor_package *
krh@10
   981
razor_set_get_package(struct razor_set *set, const char *package)
krh@10
   982
{
krh@16
   983
	bsearch_set = set;
krh@16
   984
	return bsearch(package, set->packages.data,
krh@16
   985
		       set->packages.size / sizeof(struct razor_package),
krh@16
   986
		       sizeof(struct razor_package), compare_package_name);
krh@10
   987
}
krh@10
   988
krh@18
   989
static int
krh@18
   990
compare_property_name(const void *key, const void *data)
krh@18
   991
{
krh@18
   992
	const struct razor_property *p = data;
krh@18
   993
	char *pool;
krh@18
   994
krh@18
   995
	pool = bsearch_set->string_pool.data;
krh@18
   996
krh@18
   997
	return strcmp(key, &pool[p->name]);
krh@18
   998
}
krh@18
   999
krh@18
  1000
struct razor_property *
krh@18
  1001
razor_set_get_property(struct razor_set *set,
krh@18
  1002
		       struct array *properties,
krh@18
  1003
		       const char *property)
krh@18
  1004
{
krh@18
  1005
	struct razor_property *p, *start;
krh@18
  1006
krh@18
  1007
	bsearch_set = set;
krh@18
  1008
	p = bsearch(property, properties->data,
krh@18
  1009
		    properties->size / sizeof(struct razor_property),
krh@18
  1010
		    sizeof(struct razor_property), compare_property_name);
krh@18
  1011
krh@18
  1012
	start = properties->data;
krh@18
  1013
	while (p > start && (p - 1)->name == p->name)
krh@18
  1014
		p--;
krh@18
  1015
krh@18
  1016
	return p;
krh@18
  1017
}
krh@18
  1018
krh@10
  1019
static void
krh@10
  1020
razor_set_list_all_properties(struct razor_set *set, struct array *properties)
krh@8
  1021
{
krh@8
  1022
	struct razor_property *p, *end;
krh@8
  1023
	char *pool;
krh@8
  1024
krh@8
  1025
	pool = set->string_pool.data;
krh@10
  1026
	end = properties->data + properties->size;
krh@14
  1027
	for (p = properties->data; p < end; p++)
krh@8
  1028
		printf("%s %s\n", &pool[p->name], &pool[p->version]);
krh@8
  1029
}
krh@8
  1030
krh@8
  1031
void
krh@10
  1032
razor_set_list_requires(struct razor_set *set, const char *name)
krh@7
  1033
{
krh@10
  1034
	struct razor_property *p, *requires;
krh@10
  1035
	struct razor_package *package;
krh@10
  1036
	unsigned long *r;
krh@7
  1037
	char *pool;
krh@7
  1038
krh@10
  1039
	if (name) {
krh@10
  1040
		package = razor_set_get_package(set, name);
krh@10
  1041
		r = (unsigned long *) set->property_pool.data +
krh@10
  1042
			package->requires;
krh@10
  1043
		requires = set->requires.data;
krh@10
  1044
		pool = set->string_pool.data;
krh@18
  1045
		while (~*r) {
krh@10
  1046
			p = &requires[*r++];
krh@10
  1047
			printf("%s %s\n", &pool[p->name], &pool[p->version]);
krh@10
  1048
		}
krh@10
  1049
	} else
krh@10
  1050
		razor_set_list_all_properties(set, &set->requires);
krh@10
  1051
}
krh@10
  1052
krh@10
  1053
void
krh@10
  1054
razor_set_list_provides(struct razor_set *set, const char *name)
krh@10
  1055
{
krh@10
  1056
	struct razor_property *p, *provides;
krh@10
  1057
	struct razor_package *package;
krh@10
  1058
	unsigned long *r;
krh@10
  1059
	char *pool;
krh@10
  1060
krh@10
  1061
	if (name) {
krh@10
  1062
		package = razor_set_get_package(set, name);
krh@10
  1063
		r = (unsigned long *) set->property_pool.data +
krh@10
  1064
			package->provides;
krh@10
  1065
		provides = set->provides.data;
krh@10
  1066
		pool = set->string_pool.data;
krh@18
  1067
		while (~*r) {
krh@10
  1068
			p = &provides[*r++];
krh@10
  1069
			printf("%s %s\n", &pool[p->name], &pool[p->version]);
krh@10
  1070
		}
krh@10
  1071
	} else 
krh@10
  1072
		razor_set_list_all_properties(set, &set->provides);
krh@7
  1073
}
krh@7
  1074
krh@7
  1075
void
krh@18
  1076
razor_set_list_property_packages(struct razor_set *set,
krh@18
  1077
				 struct array *properties,
krh@20
  1078
				 const char *name,
krh@20
  1079
				 const char *version)
krh@18
  1080
{
krh@18
  1081
	struct razor_property *property, *end;
krh@18
  1082
	struct razor_package *p, *packages;
krh@18
  1083
	unsigned long *r;
krh@18
  1084
	char *pool;
krh@18
  1085
krh@18
  1086
	if (name == NULL)
krh@18
  1087
		return;
krh@18
  1088
krh@18
  1089
	property = razor_set_get_property(set, properties, name);
krh@18
  1090
	packages = set->packages.data;
krh@18
  1091
	pool = set->string_pool.data;
krh@18
  1092
	end = properties->data + properties->size;
krh@18
  1093
	while (property < end && strcmp(name, &pool[property->name]) == 0) {
krh@20
  1094
		if (version && strcmp(version, &pool[property->version]) != 0)
krh@20
  1095
			goto next;
krh@18
  1096
		r = (unsigned long *)
krh@18
  1097
			set->property_pool.data + property->packages;
krh@18
  1098
		while (~*r) {
krh@18
  1099
			p = &packages[*r++];
krh@18
  1100
			printf("%s %s\n",
krh@18
  1101
			       &pool[p->name], &pool[p->version]);
krh@18
  1102
		}
krh@20
  1103
	next:
krh@18
  1104
		property++;
krh@18
  1105
	}
krh@18
  1106
}
krh@18
  1107
krh@18
  1108
void
krh@21
  1109
razor_set_validate(struct razor_set *set, struct array *unsatisfied)
krh@21
  1110
{
krh@21
  1111
	struct razor_property *r, *p, *rend, *pend;
krh@21
  1112
	unsigned long *u;
krh@21
  1113
	char *pool;
krh@21
  1114
krh@21
  1115
	r = set->requires.data;
krh@21
  1116
	p = set->provides.data;
krh@21
  1117
	rend = set->requires.data + set->requires.size;
krh@21
  1118
	pend = set->provides.data + set->provides.size;
krh@21
  1119
	pool = set->string_pool.data;
krh@21
  1120
	
krh@21
  1121
	while (r < rend) {
krh@21
  1122
		while (p < pend && strcmp(&pool[r->name], &pool[p->name]) > 0)
krh@21
  1123
			p++;
krh@21
  1124
		if (p == pend || strcmp(&pool[r->name], &pool[p->name]) != 0) {
krh@21
  1125
			u = array_add(unsatisfied, sizeof *u);
krh@21
  1126
			*u = r - (struct razor_property *) set->requires.data;
krh@21
  1127
		}
krh@21
  1128
		r++;
krh@21
  1129
	}
krh@21
  1130
}
krh@21
  1131
krh@21
  1132
void
krh@21
  1133
razor_set_list_unsatisfied(struct razor_set *set)
krh@21
  1134
{
krh@21
  1135
	struct array unsatisfied;
krh@21
  1136
	struct razor_property *requires, *r;
krh@21
  1137
	unsigned long *u, *end;
krh@21
  1138
	char *pool;
krh@21
  1139
krh@21
  1140
	array_init(&unsatisfied);
krh@21
  1141
	razor_set_validate(set, &unsatisfied);
krh@21
  1142
krh@21
  1143
	end = unsatisfied.data + unsatisfied.size;
krh@21
  1144
	requires = set->requires.data;
krh@21
  1145
	pool = set->string_pool.data;
krh@21
  1146
krh@21
  1147
	for (u = unsatisfied.data; u < end; u++) {
krh@21
  1148
		r = requires + *u;
krh@21
  1149
		printf("%s %s not satisfied\n",
krh@21
  1150
		       &pool[r->name], &pool[r->version]);
krh@21
  1151
	}
krh@21
  1152
krh@21
  1153
	array_release(&unsatisfied);
krh@21
  1154
}
krh@21
  1155
krh@21
  1156
void
krh@4
  1157
razor_set_info(struct razor_set *set)
krh@3
  1158
{
krh@3
  1159
	unsigned int offset, size;
krh@3
  1160
	int i;
krh@3
  1161
krh@4
  1162
	for (i = 0; i < set->header->sections[i].type; i++) {
krh@4
  1163
		offset = set->header->sections[i].offset;
krh@18
  1164
		size = set->header->sections[i].size;
krh@3
  1165
krh@4
  1166
		switch (set->header->sections[i].type) {
krh@4
  1167
		case RAZOR_PACKAGES:
krh@3
  1168
			printf("package section:\t%dkb\n", size / 1024);
krh@3
  1169
			break;
krh@8
  1170
		case RAZOR_REQUIRES:
krh@8
  1171
			printf("requires section:\t%dkb\n", size / 1024);
krh@8
  1172
			break;
krh@7
  1173
		case RAZOR_PROVIDES:
krh@7
  1174
			printf("provides section:\t%dkb\n", size / 1024);
krh@7
  1175
			break;
krh@19
  1176
		case RAZOR_STRING_POOL:
krh@19
  1177
			printf("string pool:\t\t%dkb\n", size / 1024);
krh@19
  1178
			break;
krh@19
  1179
		case RAZOR_PROPERTY_POOL:
krh@18
  1180
			printf("properties section:\t%dkb\n", size / 1024);
krh@18
  1181
			break;
krh@3
  1182
		}
krh@3
  1183
	}
krh@0
  1184
}
krh@0
  1185
krh@0
  1186
static int
krh@0
  1187
usage(void)
krh@0
  1188
{
krh@7
  1189
	printf("usage: razor [ import FILES | lookup <key> | "
krh@15
  1190
	       "list | list-requires | list-provides | eat-yum | info ]\n");
krh@0
  1191
	exit(1);
krh@0
  1192
}
krh@0
  1193
krh@15
  1194
static const char *repo_filename = "system.repo";
krh@15
  1195
static const char rawhide_repo_filename[] = "rawhide.repo";
krh@0
  1196
krh@0
  1197
int
krh@0
  1198
main(int argc, char *argv[])
krh@0
  1199
{
krh@0
  1200
	int i;
krh@4
  1201
	struct razor_set *set;
krh@0
  1202
	struct stat statbuf;
krh@9
  1203
	struct import_context ctx;
krh@15
  1204
	char *repo;
krh@15
  1205
krh@15
  1206
	repo = getenv("RAZOR_REPO");
krh@15
  1207
	if (repo != NULL)
krh@15
  1208
		repo_filename = repo;
krh@0
  1209
krh@3
  1210
	if (argc < 2) {
krh@0
  1211
		usage();
krh@0
  1212
	} else if (strcmp(argv[1], "import") == 0) {
krh@0
  1213
		if (stat("set", &statbuf) && mkdir("set", 0777)) {
krh@0
  1214
			fprintf(stderr, "could not create directory 'set'\n");
krh@0
  1215
			exit(-1);
krh@0
  1216
		}
krh@0
  1217
			
krh@13
  1218
		razor_prepare_import(&ctx);
krh@9
  1219
krh@0
  1220
		for (i = 2; i < argc; i++) {
krh@13
  1221
			if (razor_import(&ctx, argv[i]) < 0) {
krh@0
  1222
				fprintf(stderr, "failed to import %s\n",
krh@0
  1223
					argv[i]);
krh@0
  1224
				exit(-1);
krh@0
  1225
			}
krh@0
  1226
		}
krh@0
  1227
krh@13
  1228
		set = razor_finish_import(&ctx);
krh@6
  1229
krh@6
  1230
		printf("bucket allocation: %d\n", set->buckets.alloc);
krh@6
  1231
		printf("pool size: %d\n", set->string_pool.size);
krh@6
  1232
		printf("pool allocation: %d\n", set->string_pool.alloc);
krh@7
  1233
		printf("packages: %d\n",
krh@7
  1234
		       set->packages.size / sizeof(struct razor_package));
krh@8
  1235
		printf("requires: %d\n",
krh@8
  1236
		       set->requires.size / sizeof(struct razor_property));
krh@7
  1237
		printf("provides: %d\n",
krh@8
  1238
		       set->provides.size / sizeof(struct razor_property));
krh@0
  1239
krh@4
  1240
		razor_set_write(set, repo_filename);
krh@0
  1241
krh@4
  1242
		razor_set_destroy(set);
krh@0
  1243
	} else if (strcmp(argv[1], "lookup") == 0) {
krh@4
  1244
		set = razor_set_open(repo_filename);
krh@0
  1245
		printf("%s is %lu\n", argv[2],
krh@4
  1246
		       razor_set_lookup(set, argv[2]));
krh@4
  1247
		razor_set_destroy(set);
krh@3
  1248
	} else if (strcmp(argv[1], "list") == 0) {
krh@4
  1249
		set = razor_set_open(repo_filename);
krh@4
  1250
		razor_set_list(set);
krh@4
  1251
		razor_set_destroy(set);
krh@8
  1252
	} else if (strcmp(argv[1], "list-requires") == 0) {
krh@8
  1253
		set = razor_set_open(repo_filename);
krh@10
  1254
		razor_set_list_requires(set, argv[2]);
krh@8
  1255
		razor_set_destroy(set);
krh@7
  1256
	} else if (strcmp(argv[1], "list-provides") == 0) {
krh@7
  1257
		set = razor_set_open(repo_filename);
krh@10
  1258
		razor_set_list_provides(set, argv[2]);
krh@7
  1259
		razor_set_destroy(set);
krh@18
  1260
	} else if (strcmp(argv[1], "what-requires") == 0) {
krh@18
  1261
		set = razor_set_open(repo_filename);
krh@20
  1262
		razor_set_list_property_packages(set, &set->requires,
krh@20
  1263
						 argv[2], argv[3]);
krh@18
  1264
		razor_set_destroy(set);
krh@18
  1265
	} else if (strcmp(argv[1], "what-provides") == 0) {
krh@18
  1266
		set = razor_set_open(repo_filename);
krh@20
  1267
		razor_set_list_property_packages(set, &set->provides,
krh@20
  1268
						 argv[2], argv[3]);
krh@18
  1269
		razor_set_destroy(set);
krh@3
  1270
	} else if (strcmp(argv[1], "info") == 0) {
krh@4
  1271
		set = razor_set_open(repo_filename);
krh@4
  1272
		razor_set_info(set);
krh@4
  1273
		razor_set_destroy(set);
krh@15
  1274
	} else if (strcmp(argv[1], "eat-yum") == 0) {
krh@15
  1275
		set = razor_set_create_from_yum_filelist(STDIN_FILENO);
krh@15
  1276
		if (set == NULL)
krh@15
  1277
			return 1;
krh@15
  1278
		razor_set_write(set, rawhide_repo_filename);
krh@15
  1279
		razor_set_destroy(set);
krh@18
  1280
		printf("wrote %s\n", rawhide_repo_filename);
krh@21
  1281
	} else if (strcmp(argv[1], "validate") == 0) {
krh@21
  1282
		set = razor_set_open(repo_filename);
krh@21
  1283
		if (set == NULL)
krh@21
  1284
			return 1;
krh@21
  1285
		razor_set_list_unsatisfied(set);
krh@21
  1286
		razor_set_destroy(set);
krh@0
  1287
	} else {
krh@0
  1288
		usage();
krh@0
  1289
	}
krh@0
  1290
krh@0
  1291
	return 0;
krh@0
  1292
}