Giuseppe Scrivano
58b48424bc
It allows an optimization to skip the download of the summary file if its .sig file is unchanged. Downloading the .sig file is much cheaper than downloading the summary file from repositories with many branches. https://bugzilla.gnome.org/show_bug.cgi?id=762973 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
341 lines
14 KiB
C
341 lines
14 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2011,2013 Colin Walters <walters@verbum.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#pragma once
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#include "ostree-repo.h"
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#include "libglnx.h"
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#ifdef HAVE_LIBSOUP
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#include "ostree-fetcher.h"
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#endif
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G_BEGIN_DECLS
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#define OSTREE_DELTAPART_VERSION (0)
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#define _OSTREE_OBJECT_SIZES_ENTRY_SIGNATURE "ay"
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#define _OSTREE_SUMMARY_CACHE_PATH "tmp/cache/summaries"
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/**
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* OstreeRepo:
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*
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* Private instance structure.
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*/
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struct OstreeRepo {
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GObject parent;
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char *boot_id;
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int commit_stagedir_fd;
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char *commit_stagedir_name;
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GLnxLockFile commit_stagedir_lock;
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GFile *repodir;
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int repo_dir_fd;
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GFile *tmp_dir;
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int tmp_dir_fd;
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GFile *objects_dir;
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GFile *state_dir;
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int objects_dir_fd;
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GFile *deltas_dir;
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GFile *uncompressed_objects_dir;
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int uncompressed_objects_dir_fd;
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GFile *config_file;
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GFile *sysroot_dir;
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GFile *transaction_lock_path;
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GHashTable *txn_refs;
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GMutex txn_stats_lock;
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OstreeRepoTransactionStats txn_stats;
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GMutex cache_lock;
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GPtrArray *cached_meta_indexes;
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GPtrArray *cached_content_indexes;
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gboolean inited;
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gboolean writable;
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GError *writable_error;
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gboolean in_transaction;
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gboolean disable_fsync;
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GHashTable *loose_object_devino_hash;
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GHashTable *updated_uncompressed_dirs;
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GHashTable *object_sizes;
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uid_t target_owner_uid;
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gid_t target_owner_gid;
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GKeyFile *config;
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GHashTable *remotes;
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GMutex remotes_lock;
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OstreeRepoMode mode;
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gboolean enable_uncompressed_cache;
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gboolean generate_sizes;
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OstreeRepo *parent_repo;
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};
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typedef struct {
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dev_t dev;
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ino_t ino;
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char checksum[65];
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} OstreeDevIno;
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gboolean
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_ostree_repo_allocate_tmpdir (int tmpdir_dfd,
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const char *tmpdir_prefix,
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char **tmpdir_name_out,
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int *tmpdir_fd_out,
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GLnxLockFile *file_lock_out,
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gboolean * reusing_dir_out,
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GCancellable *cancellable,
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GError **error);
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gboolean
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_ostree_repo_ensure_loose_objdir_at (int dfd,
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const char *loose_path,
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GCancellable *cancellable,
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GError **error);
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gboolean
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_ostree_repo_find_object (OstreeRepo *self,
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OstreeObjectType objtype,
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const char *checksum,
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GFile **out_stored_path,
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GCancellable *cancellable,
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GError **error);
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GFile *
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_ostree_repo_get_commit_metadata_loose_path (OstreeRepo *self,
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const char *checksum);
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gboolean
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_ostree_repo_has_loose_object (OstreeRepo *self,
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const char *checksum,
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OstreeObjectType objtype,
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gboolean *out_is_stored,
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char *loose_path_buf,
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GFile **out_stored_path,
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GCancellable *cancellable,
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GError **error);
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gboolean
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_ostree_repo_write_directory_meta (OstreeRepo *self,
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GFileInfo *file_info,
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GVariant *xattrs,
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guchar **out_csum,
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GCancellable *cancellable,
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GError **error);
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gboolean
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_ostree_repo_update_refs (OstreeRepo *self,
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GHashTable *refs,
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GCancellable *cancellable,
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GError **error);
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gboolean
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_ostree_repo_file_replace_contents (OstreeRepo *self,
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int dfd,
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const char *path,
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const guint8 *buf,
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gsize len,
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GCancellable *cancellable,
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GError **error);
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gboolean
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_ostree_repo_write_ref (OstreeRepo *self,
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const char *remote,
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const char *ref,
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const char *rev,
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GCancellable *cancellable,
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GError **error);
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OstreeRepoFile *
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_ostree_repo_file_new_for_commit (OstreeRepo *repo,
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const char *commit,
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GError **error);
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OstreeRepoFile *
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_ostree_repo_file_new_root (OstreeRepo *repo,
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const char *contents_checksum,
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const char *metadata_checksum);
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gboolean
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_ostree_repo_traverse_dirtree_internal (OstreeRepo *repo,
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const char *dirtree_checksum,
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int recursion_depth,
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GHashTable *inout_reachable,
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GHashTable *inout_content_names,
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GCancellable *cancellable,
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GError **error);
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OstreeRepoCommitFilterResult
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_ostree_repo_commit_modifier_apply (OstreeRepo *self,
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OstreeRepoCommitModifier *modifier,
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const char *path,
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GFileInfo *file_info,
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GFileInfo **out_modified_info);
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gboolean
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_ostree_repo_remote_name_is_file (const char *remote_name);
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gboolean
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_ostree_repo_get_remote_option (OstreeRepo *self,
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const char *remote_name,
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const char *option_name,
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const char *default_value,
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char **out_value,
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GError **error);
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gboolean
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_ostree_repo_get_remote_list_option (OstreeRepo *self,
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const char *remote_name,
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const char *option_name,
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char ***out_value,
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GError **error);
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gboolean
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_ostree_repo_get_remote_boolean_option (OstreeRepo *self,
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const char *remote_name,
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const char *option_name,
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gboolean default_value,
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gboolean *out_value,
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GError **error);
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gboolean
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_ostree_repo_get_remote_option_inherit (OstreeRepo *self,
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const char *remote_name,
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const char *option_name,
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char **out_value,
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GError **error);
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#ifdef HAVE_LIBSOUP
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OstreeFetcher *
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_ostree_repo_remote_new_fetcher (OstreeRepo *self,
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const char *remote_name,
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GError **error);
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#endif
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OstreeGpgVerifyResult *
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_ostree_repo_gpg_verify_with_metadata (OstreeRepo *self,
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GBytes *signed_data,
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GVariant *metadata,
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const char *remote_name,
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GFile *keyringdir,
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GFile *extra_keyring,
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GCancellable *cancellable,
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GError **error);
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OstreeGpgVerifyResult *
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_ostree_repo_verify_commit_internal (OstreeRepo *self,
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const char *commit_checksum,
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const char *remote_name,
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GFile *keyringdir,
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GFile *extra_keyring,
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GCancellable *cancellable,
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GError **error);
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gboolean
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_ostree_repo_commit_loose_final (OstreeRepo *self,
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const char *checksum,
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OstreeObjectType objtype,
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int temp_dfd,
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const char *temp_filename,
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GCancellable *cancellable,
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GError **error);
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typedef struct {
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int fd;
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char *temp_filename;
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} OstreeRepoContentBareCommit;
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gboolean
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_ostree_repo_open_trusted_content_bare (OstreeRepo *self,
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const char *checksum,
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guint64 content_len,
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OstreeRepoContentBareCommit *out_state,
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GOutputStream **out_stream,
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gboolean *out_have_object,
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GCancellable *cancellable,
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GError **error);
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gboolean
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_ostree_repo_commit_trusted_content_bare (OstreeRepo *self,
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const char *checksum,
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OstreeRepoContentBareCommit *state,
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guint32 uid,
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guint32 gid,
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guint32 mode,
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GVariant *xattrs,
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GCancellable *cancellable,
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GError **error);
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gboolean
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_ostree_repo_open_untrusted_content_bare (OstreeRepo *self,
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const char *expected_checksum,
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guint64 content_len,
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OstreeRepoContentBareCommit *out_state,
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GOutputStream **out_stream,
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gboolean *out_have_object,
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GCancellable *cancellable,
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GError **error);
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gboolean
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_ostree_repo_commit_untrusted_content_bare (OstreeRepo *self,
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const char *expected_checksum,
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OstreeRepoContentBareCommit *state,
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guint32 uid,
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guint32 gid,
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guint32 mode,
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GVariant *xattrs,
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GCancellable *cancellable,
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GError **error);
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gboolean
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_ostree_repo_read_bare_fd (OstreeRepo *self,
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const char *checksum,
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int *out_fd,
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GCancellable *cancellable,
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GError **error);
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gboolean
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_ostree_repo_update_mtime (OstreeRepo *self,
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GError **error);
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/* Load the summary from the cache if the provided .sig file is the same as the
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cached version. */
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gboolean
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_ostree_repo_load_cache_summary_if_same_sig (OstreeRepo *self,
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const char *remote,
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GBytes *summary_sig,
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GBytes **summary,
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GCancellable *cancellable,
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GError **error);
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gboolean
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_ostree_repo_cache_summary (OstreeRepo *self,
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const char *remote,
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GBytes *summary,
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GBytes *summary_sig,
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GCancellable *cancellable,
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GError **error);
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G_END_DECLS
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