osinfo_db_identify_image() is a helper written in a similar way than osinfo_db_identify_media() and provides a way for libosinfo consumers to, as stated by the new function name, identify the image provided. https://gitlab.com/libosinfo/osinfo-db/issues/10 Signed-off-by: Fabiano Fidêncio <fidencio@xxxxxxxxxx> --- osinfo/libosinfo.syms | 2 + osinfo/osinfo_db.c | 111 ++++++++++++++++++++++++++++++++++++++++++ osinfo/osinfo_db.h | 3 ++ 3 files changed, 116 insertions(+) diff --git a/osinfo/libosinfo.syms b/osinfo/libosinfo.syms index 9f37411..734ea30 100644 --- a/osinfo/libosinfo.syms +++ b/osinfo/libosinfo.syms @@ -531,6 +531,8 @@ LIBOSINFO_0.2.13 { LIBOSINFO_1.3.0 { global: + osinfo_db_identify_image; + osinfo_error_quark; osinfo_image_create_from_location; diff --git a/osinfo/osinfo_db.c b/osinfo/osinfo_db.c index fa14c6d..23192e5 100644 --- a/osinfo/osinfo_db.c +++ b/osinfo/osinfo_db.c @@ -26,6 +26,7 @@ #include <osinfo/osinfo.h> #include "osinfo_media_private.h" +#include "osinfo_image_private.h" #include <gio/gio.h> #include <string.h> #include <glib/gi18n-lib.h> @@ -715,6 +716,116 @@ gboolean osinfo_db_identify_media(OsinfoDb *db, OsinfoMedia *media) return TRUE; } +static void fill_image(OsinfoDb *db, + OsinfoImage *image, + OsinfoImage *matched_image, + OsinfoOs *os) +{ + const gchar *id; + const gchar *arch; + const gchar *url; + + id = osinfo_entity_get_id(OSINFO_ENTITY(matched_image)); + g_object_set(G_OBJECT(image), "id", id, NULL); + + arch = osinfo_image_get_architecture(matched_image); + if (arch != NULL) + g_object_set(G_OBJECT(image), "architecture", arch, NULL); + + url = osinfo_image_get_url(matched_image); + if (url != NULL) + g_object_set(G_OBJECT(image), "url", url, NULL); + + if (os != NULL) + osinfo_image_set_os(image, os); +} + +static OsinfoOs * +osinfo_db_guess_os_from_image_internal(OsinfoDb *db, + OsinfoImage *image, + OsinfoImage **matched_image) +{ + OsinfoOs *ret = NULL; + GList *oses = NULL; + GList *os_iter; + const gchar *image_osinfo; + const gchar *image_product_name; + + g_return_val_if_fail(OSINFO_IS_DB(db), NULL); + g_return_val_if_fail(image != NULL, NULL); + + image_osinfo = osinfo_image_get_osinfo(image); + image_product_name = osinfo_image_get_product_name(image); + + oses = osinfo_list_get_elements(OSINFO_LIST(db->priv->oses)); + + for (os_iter = oses; os_iter != NULL; os_iter = os_iter->next) { + OsinfoOs *os = OSINFO_OS(os_iter->data); + + if (!g_str_equal(image_osinfo, + osinfo_product_get_short_id(OSINFO_PRODUCT(os)))) + continue; + + OsinfoImageList *image_list = osinfo_os_get_image_list(os); + GList *images = osinfo_list_get_elements(OSINFO_LIST(image_list)); + GList *image_iter; + + for (image_iter = images; image_iter != NULL; image_iter = image_iter->next) { + OsinfoImage *os_image = OSINFO_IMAGE(image_iter->data); + const gchar *os_image_product_name = osinfo_image_get_product_name(os_image); + + if (g_str_equal(image_product_name, os_image_product_name)) { + ret = os; + if (matched_image != NULL) + *matched_image = os_image; + break; + } + } + + g_list_free(images); + g_object_unref(image_list); + + if (ret != NULL) + break; + } + + g_list_free(oses); + + return ret; +} + +/** + * osinfo_db_identify_image: + * @db: an #OsinfoDb database + * @image: the installation image + * data + * + * Try to match a newly created @image with a image description from @db. + * If found, @image will be filled with the corresponding information + * stored in @db. In particular, after a call to osinfo_db_identify_image(), if + * the image could be identified, its OsinfoEntify::id and OsinfoImage::os + * properties will be set. + * + * Returns: TRUE if @image was found in @db, FALSE otherwise + */ +gboolean osinfo_db_identify_image(OsinfoDb *db, OsinfoImage *image) +{ + OsinfoImage *matched_image = NULL; + OsinfoOs *matched_os; + + g_return_val_if_fail(OSINFO_IS_IMAGE(image), FALSE); + g_return_val_if_fail(OSINFO_IS_DB(db), FALSE); + + matched_os = osinfo_db_guess_os_from_image_internal(db, image, + &matched_image); + if (matched_os == NULL) { + return FALSE; + } + + fill_image(db, image, matched_image, matched_os); + + return TRUE; +} /** * osinfo_db_guess_os_from_tree: diff --git a/osinfo/osinfo_db.h b/osinfo/osinfo_db.h index f2df973..e62388f 100644 --- a/osinfo/osinfo_db.h +++ b/osinfo/osinfo_db.h @@ -111,6 +111,9 @@ OsinfoOs *osinfo_db_guess_os_from_tree(OsinfoDb *db, OsinfoTree *tree, OsinfoTree **matched_tree); +gboolean osinfo_db_identify_image(OsinfoDb *db, + OsinfoImage *image); + // Get me all unique values for property "vendor" among operating systems GList *osinfo_db_unique_values_for_property_in_os(OsinfoDb *db, const gchar *propName); -- 2.19.1 _______________________________________________ Libosinfo mailing list Libosinfo@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libosinfo
