diff options
author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-10-05 20:06:50 +0200 |
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committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-10-05 22:39:45 +0200 |
commit | 1e24f45ab120ea83a6faab2e4e14038547898f64 (patch) | |
tree | 37e263056c462ac53bad36b5c7d72dc7dad7b2d8 /tar | |
parent | ad3ca222ab5142769d1c56029360955490f05202 (diff) |
Merge all the common code for generating images
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'tar')
-rw-r--r-- | tar/tar2sqfs.c | 226 |
1 files changed, 48 insertions, 178 deletions
diff --git a/tar/tar2sqfs.c b/tar/tar2sqfs.c index efdc0d3..9533229 100644 --- a/tar/tar2sqfs.c +++ b/tar/tar2sqfs.c @@ -6,26 +6,14 @@ */ #include "config.h" -#include "sqfs/xattr_writer.h" -#include "sqfs/compressor.h" -#include "sqfs/id_table.h" -#include "sqfs/xattr.h" -#include "sqfs/block.h" -#include "sqfs/io.h" - #include "highlevel.h" -#include "fstree.h" -#include "util.h" #include "tar.h" #include <stdlib.h> #include <getopt.h> #include <unistd.h> #include <string.h> -#include <ctype.h> #include <stdio.h> -#include <errno.h> -#include <fcntl.h> static struct option long_opts[] = { { "compressor", required_argument, NULL, 'c' }, @@ -96,29 +84,17 @@ static const char *usagestr = "\txzcat rootfs.tar.xz | tar2sqfs rootfs.sqfs\n" "\n"; -static const char *filename; -static int block_size = SQFS_DEFAULT_BLOCK_SIZE; -static size_t devblksize = SQFS_DEVBLK_SIZE; -static bool quiet = false; -static int outmode = 0; -static unsigned int num_jobs = 1; -static size_t max_backlog = 0; -static E_SQFS_COMPRESSOR comp_id; -static char *comp_extra = NULL; -static char *fs_defaults = NULL; static bool dont_skip = false; -static bool no_xattr = false; -static bool exportable = false; static bool keep_time = false; -static sqfs_xattr_writer_t *xwr = NULL; -static data_writer_stats_t stats; +static sqfs_writer_cfg_t cfg; +static sqfs_writer_t sqfs; static void process_args(int argc, char **argv) { bool have_compressor; int i; - comp_id = compressor_get_default(); + sqfs_writer_cfg_init(&cfg); for (;;) { i = getopt_long(argc, argv, short_opts, long_opts, NULL); @@ -127,11 +103,11 @@ static void process_args(int argc, char **argv) switch (i) { case 'b': - block_size = strtol(optarg, NULL, 0); + cfg.block_size = strtol(optarg, NULL, 0); break; case 'B': - devblksize = strtol(optarg, NULL, 0); - if (devblksize < 1024) { + cfg.devblksize = strtol(optarg, NULL, 0); + if (cfg.devblksize < 1024) { fputs("Device block size must be at " "least 1024\n", stderr); exit(EXIT_FAILURE); @@ -140,10 +116,10 @@ static void process_args(int argc, char **argv) case 'c': have_compressor = true; - if (sqfs_compressor_id_from_name(optarg, &comp_id)) + if (sqfs_compressor_id_from_name(optarg, &cfg.comp_id)) have_compressor = false; - if (!sqfs_compressor_exists(comp_id)) + if (!sqfs_compressor_exists(cfg.comp_id)) have_compressor = false; if (!have_compressor) { @@ -153,19 +129,19 @@ static void process_args(int argc, char **argv) } break; case 'j': - num_jobs = strtol(optarg, NULL, 0); + cfg.num_jobs = strtol(optarg, NULL, 0); break; case 'Q': - max_backlog = strtol(optarg, NULL, 0); + cfg.max_backlog = strtol(optarg, NULL, 0); break; case 'X': - comp_extra = optarg; + cfg.comp_extra = optarg; break; case 'd': - fs_defaults = optarg; + cfg.fs_defaults = optarg; break; case 'x': - no_xattr = true; + cfg.no_xattr = true; break; case 'k': keep_time = true; @@ -174,13 +150,13 @@ static void process_args(int argc, char **argv) dont_skip = true; break; case 'e': - exportable = true; + cfg.exportable = true; break; case 'f': - outmode |= SQFS_FILE_OPEN_OVERWRITE; + cfg.outmode |= SQFS_FILE_OPEN_OVERWRITE; break; case 'q': - quiet = true; + cfg.quiet = true; break; case 'h': printf(usagestr, SQFS_DEFAULT_BLOCK_SIZE, @@ -195,14 +171,14 @@ static void process_args(int argc, char **argv) } } - if (num_jobs < 1) - num_jobs = 1; + if (cfg.num_jobs < 1) + cfg.num_jobs = 1; - if (max_backlog < 1) - max_backlog = 10 * num_jobs; + if (cfg.max_backlog < 1) + cfg.max_backlog = 10 * cfg.num_jobs; - if (comp_extra != NULL && strcmp(comp_extra, "help") == 0) { - compressor_print_help(comp_id); + if (cfg.comp_extra != NULL && strcmp(cfg.comp_extra, "help") == 0) { + compressor_print_help(cfg.comp_id); exit(EXIT_SUCCESS); } @@ -211,7 +187,7 @@ static void process_args(int argc, char **argv) goto fail_arg; } - filename = argv[optind++]; + cfg.filename = argv[optind++]; if (optind < argc) { fputs("Unknown extra arguments\n", stderr); @@ -224,7 +200,7 @@ fail_arg: } static int write_file(tar_header_decoded_t *hdr, file_info_t *fi, - sqfs_data_writer_t *data, sqfs_u64 filesize) + sqfs_u64 filesize) { const sparse_map_t *it; sqfs_inode_generic_t *inode; @@ -233,8 +209,8 @@ static int write_file(tar_header_decoded_t *hdr, file_info_t *fi, sqfs_u64 sum; int ret; - max_blk_count = filesize / block_size; - if (filesize % block_size) + max_blk_count = filesize / cfg.block_size; + if (filesize % cfg.block_size) ++max_blk_count; inode = alloc_flex(sizeof(*inode), sizeof(sqfs_u32), max_blk_count); @@ -267,11 +243,11 @@ static int write_file(tar_header_decoded_t *hdr, file_info_t *fi, } } - ret = write_data_from_file(data, inode, file, 0); + ret = write_data_from_file(sqfs.data, inode, file, 0); file->destroy(file); - stats.bytes_read += filesize; - stats.file_count += 1; + sqfs.stats.bytes_read += filesize; + sqfs.stats.file_count += 1; if (ret) return -1; @@ -280,12 +256,11 @@ static int write_file(tar_header_decoded_t *hdr, file_info_t *fi, filesize : hdr->record_size); } -static int copy_xattr(sqfs_xattr_writer_t *xwr, tree_node_t *node, - tar_header_decoded_t *hdr) +static int copy_xattr(tree_node_t *node, tar_header_decoded_t *hdr) { tar_xattr_t *xattr; - if (sqfs_xattr_writer_begin(xwr)) { + if (sqfs_xattr_writer_begin(sqfs.xwr)) { fputs("Error beginning xattr block\n", stderr); return -1; } @@ -303,7 +278,7 @@ static int copy_xattr(sqfs_xattr_writer_t *xwr, tree_node_t *node, continue; } - if (sqfs_xattr_writer_add(xwr, xattr->key, xattr->value, + if (sqfs_xattr_writer_add(sqfs.xwr, xattr->key, xattr->value, strlen(xattr->value))) { fputs("Error converting xattr key-value pair\n", stderr); @@ -311,7 +286,7 @@ static int copy_xattr(sqfs_xattr_writer_t *xwr, tree_node_t *node, } } - if (sqfs_xattr_writer_end(xwr, &node->xattr_idx)) { + if (sqfs_xattr_writer_end(sqfs.xwr, &node->xattr_idx)) { fputs("Error completing xattr block\n", stderr); return -1; } @@ -319,29 +294,29 @@ static int copy_xattr(sqfs_xattr_writer_t *xwr, tree_node_t *node, return 0; } -static int create_node_and_repack_data(tar_header_decoded_t *hdr, fstree_t *fs, - sqfs_data_writer_t *data) +static int create_node_and_repack_data(tar_header_decoded_t *hdr) { tree_node_t *node; if (!keep_time) { - hdr->sb.st_mtime = fs->defaults.st_mtime; + hdr->sb.st_mtime = sqfs.fs.defaults.st_mtime; } - node = fstree_add_generic(fs, hdr->name, &hdr->sb, hdr->link_target); + node = fstree_add_generic(&sqfs.fs, hdr->name, + &hdr->sb, hdr->link_target); if (node == NULL) goto fail_errno; - if (!quiet) + if (!cfg.quiet) printf("Packing %s\n", hdr->name); - if (!no_xattr) { - if (copy_xattr(xwr, node, hdr)) + if (!cfg.no_xattr) { + if (copy_xattr(node, hdr)) return -1; } if (S_ISREG(hdr->sb.st_mode)) { - if (write_file(hdr, &node->data.file, data, hdr->sb.st_size)) + if (write_file(hdr, &node->data.file, hdr->sb.st_size)) return -1; } @@ -351,7 +326,7 @@ fail_errno: return -1; } -static int process_tar_ball(fstree_t *fs, sqfs_data_writer_t *data) +static int process_tar_ball(void) { tar_header_decoded_t hdr; sqfs_u64 offset, count; @@ -409,7 +384,7 @@ static int process_tar_ball(fstree_t *fs, sqfs_data_writer_t *data) continue; } - if (create_node_and_repack_data(&hdr, fs, data)) + if (create_node_and_repack_data(&hdr)) goto fail; clear_header(&hdr); @@ -423,126 +398,21 @@ fail: int main(int argc, char **argv) { - sqfs_compressor_config_t cfg; - int status = EXIT_SUCCESS; - sqfs_data_writer_t *data; - sqfs_compressor_t *cmp; - sqfs_id_table_t *idtbl; - sqfs_file_t *outfile; - sqfs_super_t super; - fstree_t fs; - int ret; + int status = EXIT_FAILURE; process_args(argc, argv); - if (compressor_cfg_init_options(&cfg, comp_id, - block_size, comp_extra)) { - return EXIT_FAILURE; - } - - outfile = sqfs_open_file(filename, outmode); - if (outfile == NULL) { - perror(filename); + if (sqfs_writer_init(&sqfs, &cfg)) return EXIT_FAILURE; - } - - if (fstree_init(&fs, fs_defaults)) - goto out_fd; - - cmp = sqfs_compressor_create(&cfg); - if (cmp == NULL) { - fputs("Error creating compressor\n", stderr); - goto out_fs; - } - - if (sqfs_super_init(&super, block_size, fs.defaults.st_mtime, comp_id)) - goto out_cmp; - - if (sqfs_super_write(&super, outfile)) - goto out_cmp; - - ret = cmp->write_options(cmp, outfile); - if (ret < 0) - goto out_cmp; - - if (ret > 0) - super.flags |= SQFS_FLAG_COMPRESSOR_OPTIONS; - - data = sqfs_data_writer_create(super.block_size, cmp, num_jobs, - max_backlog, devblksize, outfile); - if (data == NULL) { - perror("creating data block processor"); - goto out_cmp; - } - - register_stat_hooks(data, &stats); - - idtbl = sqfs_id_table_create(); - if (idtbl == NULL) - goto out_data; - - if (!no_xattr) { - xwr = sqfs_xattr_writer_create(); - if (xwr == NULL) { - perror("creating xattr writer"); - goto out; - } - } - if (process_tar_ball(&fs, data)) + if (process_tar_ball()) goto out; - if (sqfs_data_writer_finish(data)) + if (sqfs_writer_finish(&sqfs, &cfg)) goto out; - tree_node_sort_recursive(fs.root); - if (fstree_gen_inode_table(&fs)) - goto out; - - super.inode_count = fs.inode_tbl_size; - - if (sqfs_serialize_fstree(outfile, &super, &fs, cmp, idtbl)) - goto out; - - if (sqfs_data_writer_write_fragment_table(data, &super)) - goto out; - - if (exportable) { - if (write_export_table(outfile, &fs, &super, cmp)) - goto out; - } - - if (sqfs_id_table_write(idtbl, outfile, &super, cmp)) - goto out; - - if (sqfs_xattr_writer_flush(xwr, outfile, &super, cmp)) { - fputs("Error writing xattr table\n", stderr); - goto out; - } - - super.bytes_used = outfile->get_size(outfile); - - if (sqfs_super_write(&super, outfile)) - goto out; - - if (padd_sqfs(outfile, super.bytes_used, devblksize)) - goto out; - - if (!quiet) - sqfs_print_statistics(&super, &stats); - status = EXIT_SUCCESS; out: - if (xwr != NULL) - sqfs_xattr_writer_destroy(xwr); - sqfs_id_table_destroy(idtbl); -out_data: - sqfs_data_writer_destroy(data); -out_cmp: - cmp->destroy(cmp); -out_fs: - fstree_cleanup(&fs); -out_fd: - outfile->destroy(outfile); + sqfs_writer_cleanup(&sqfs); return status; } |