libopkg: implement pkg_hash_load_package_details() helper

The purpose of this new function is to keep parsing feed lists until
all package detail requests are satisified.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/libopkg/pkg_hash.c b/libopkg/pkg_hash.c
index 99d8958da16bfeb692afbf626b5672e4fe99a8ec..3b49301ec488f028e682af95c2beebbfb45db546 100644 (file)
--- a/libopkg/pkg_hash.c
+++ b/libopkg/pkg_hash.c
@@ -222,6 +222,46 @@ int pkg_hash_load_status_files(void)
        return 0;
 }
 
+static void
+pkg_hash_load_package_details_helper(const char *pkg_name, void *entry, void *data)
+{
+       int *count = data;
+       abstract_pkg_t *ab_pkg = (abstract_pkg_t *) entry;
+
+       if (ab_pkg->state_flag & SF_NEED_DETAIL) {
+               if (ab_pkg->state_flag & SF_MARKED) {
+                       opkg_msg(DEBUG, "skipping already seen flagged abpkg %s\n",
+                                ab_pkg->name);
+                       return;
+               }
+
+               opkg_msg(DEBUG, "found yet incomplete flagged abpkg %s\n",
+                        ab_pkg->name);
+
+               (*count)++;
+               ab_pkg->state_flag |= SF_MARKED;
+       }
+}
+
+int pkg_hash_load_package_details(void)
+{
+       int n_need_detail;
+
+       while (1) {
+               pkg_hash_load_feeds(0);
+
+               n_need_detail = 0;
+               hash_table_foreach(&conf->pkg_hash, pkg_hash_load_package_details_helper, &n_need_detail);
+
+               if (n_need_detail > 0)
+                       opkg_msg(DEBUG, "Found %d packages requiring details, reloading feeds\n", n_need_detail);
+               else
+                       break;
+       }
+
+       return 0;
+}
+
 pkg_t *pkg_hash_fetch_best_installation_candidate(abstract_pkg_t * apkg,
                                                  int (*constraint_fcn) (pkg_t *
                                                                         pkg,

diff --git a/libopkg/pkg_hash.h b/libopkg/pkg_hash.h
index 562eeaa60750007a166321ce1c01202866fa5ee7..e849160b68929513e37a8756b3688195cd1d8f27 100644 (file)
--- a/libopkg/pkg_hash.h
+++ b/libopkg/pkg_hash.h
@@ -33,6 +33,7 @@ int pkg_hash_add_from_file(const char *file_name, pkg_src_t * src,
                           pkg_dest_t * dest, int is_status_file, int state_flags);
 int pkg_hash_load_feeds(int state_flags);
 int pkg_hash_load_status_files(void);
+int pkg_hash_load_package_details(void);
 
 void hash_insert_pkg(pkg_t * pkg, int set_status);