rename all applets sources to app_*.c

1 files changed, 193 insertions, 0 deletions

diff --git a/src/app_cache.c b/src/app_cache.c
new file mode 100644
index 0000000..7ea5356
--- /dev/null
+++ b/src/app_cache.c
@@ -0,0 +1,193 @@
+/* app_cache.c - Alpine Package Keeper (APK)
+ *
+ * Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
+ * Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation. See http://www.gnu.org/ for details.
+ */
+
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <limits.h>
+
+#include "apk_defines.h"
+#include "apk_applet.h"
+#include "apk_database.h"
+#include "apk_package.h"
+#include "apk_print.h"
+#include "apk_solver.h"
+
+#define CACHE_CLEAN	BIT(0)
+#define CACHE_DOWNLOAD	BIT(1)
+
+struct cache_ctx {
+	unsigned short solver_flags;
+};
+
+static int option_parse_applet(void *ctx, struct apk_db_options *dbopts, int optch, const char *optarg)
+{
+	struct cache_ctx *cctx = (struct cache_ctx *) ctx;
+
+	switch (optch) {
+	case 'u':
+		cctx->solver_flags |= APK_SOLVERF_UPGRADE;
+		break;
+	case 'l':
+		cctx->solver_flags |= APK_SOLVERF_LATEST;
+		break;
+	default:
+		return -ENOTSUP;
+	}
+	return 0;
+}
+
+static const struct apk_option options_applet[] = {
+	{ 'u', "upgrade" },
+	{ 'l', "latest" },
+};
+
+static const struct apk_option_group optgroup_applet = {
+	.name = "Cache",
+	.options = options_applet,
+	.num_options = ARRAY_SIZE(options_applet),
+	.parse = option_parse_applet,
+};
+
+struct progress {
+	size_t done, total;
+};
+
+static void progress_cb(void *ctx, size_t bytes_done)
+{
+	struct progress *prog = (struct progress *) ctx;
+	apk_print_progress(prog->done + bytes_done, prog->total);
+}
+
+static int cache_download(struct cache_ctx *cctx, struct apk_database *db)
+{
+	struct apk_changeset changeset = {};
+	struct apk_change *change;
+	struct apk_package *pkg;
+	struct apk_repository *repo;
+	struct progress prog = { 0, 0 };
+	int r, ret = 0;
+
+	r = apk_solver_solve(db, cctx->solver_flags, db->world, &changeset);
+	if (r < 0) {
+		apk_error("Unable to select packages. Run apk fix.");
+		return r;
+	}
+
+	foreach_array_item(change, changeset.changes) {
+		pkg = change->new_pkg;
+		if ((pkg != NULL) && !(pkg->repos & db->local_repos))
+			prog.total += pkg->size;
+	}
+
+	foreach_array_item(change, changeset.changes) {
+		pkg = change->new_pkg;
+		if ((pkg == NULL) || (pkg->repos & db->local_repos))
+			continue;
+
+		repo = apk_db_select_repo(db, pkg);
+		if (repo == NULL)
+			continue;
+
+		r = apk_cache_download(db, repo, pkg, APK_SIGN_VERIFY_IDENTITY, 0,
+				       progress_cb, &prog);
+		if (r && r != -EALREADY) {
+			apk_error(PKG_VER_FMT ": %s", PKG_VER_PRINTF(pkg), apk_error_str(r));
+			ret++;
+		}
+		prog.done += pkg->size;
+	}
+
+	return ret;
+}
+
+static void cache_clean_item(struct apk_database *db, int dirfd, const char *name, struct apk_package *pkg)
+{
+	char tmp[PATH_MAX];
+	apk_blob_t b;
+	int i;
+
+	if (strcmp(name, "installed") == 0) return;
+
+	if (pkg) {
+		if ((apk_flags & APK_PURGE) && pkg->ipkg == NULL) goto delete;
+		if (pkg->repos & db->local_repos & ~BIT(APK_REPOSITORY_CACHED)) goto delete;
+		if (pkg->ipkg == NULL && !(pkg->repos & ~BIT(APK_REPOSITORY_CACHED))) goto delete;
+		return;
+	}
+
+	b = APK_BLOB_STR(name);
+	for (i = 0; i < db->num_repos; i++) {
+		/* Check if this is a valid index */
+		apk_repo_format_cache_index(APK_BLOB_BUF(tmp), &db->repos[i]);
+		if (apk_blob_compare(b, APK_BLOB_STR(tmp)) == 0) return;
+	}
+
+delete:
+	if (apk_verbosity >= 2)
+		apk_message("deleting %s", name);
+	if (!(apk_flags & APK_SIMULATE)) {
+		if (unlinkat(dirfd, name, 0) < 0 && errno == EISDIR)
+			unlinkat(dirfd, name, AT_REMOVEDIR);
+	}
+}
+
+static int cache_clean(struct apk_database *db)
+{
+	return apk_db_cache_foreach_item(db, cache_clean_item);
+}
+
+static int cache_main(void *ctx, struct apk_database *db, struct apk_string_array *args)
+{
+	struct cache_ctx *cctx = (struct cache_ctx *) ctx;
+	char *arg;
+	int r = 0, actions = 0;
+
+	if (args->num != 1)
+		return -EINVAL;
+
+	arg = args->item[0];
+	if (strcmp(arg, "sync") == 0)
+		actions = CACHE_CLEAN | CACHE_DOWNLOAD;
+	else if (strcmp(arg, "clean") == 0)
+		actions = CACHE_CLEAN;
+	else if (strcmp(arg, "download") == 0)
+		actions = CACHE_DOWNLOAD;
+	else
+		return -EINVAL;
+
+	if (!apk_db_cache_active(db)) {
+		apk_error("Package cache is not enabled.\n");
+		r = 2;
+		goto err;
+	}
+
+	if (r == 0 && (actions & CACHE_CLEAN))
+		r = cache_clean(db);
+	if (r == 0 && (actions & CACHE_DOWNLOAD))
+		r = cache_download(cctx, db);
+err:
+	return r;
+}
+
+static struct apk_applet apk_cache = {
+	.name = "cache",
+	.arguments = "sync | clean | download",
+	.open_flags = APK_OPENF_READ|APK_OPENF_NO_SCRIPTS|APK_OPENF_CACHE_WRITE,
+	.command_groups = APK_COMMAND_GROUP_SYSTEM,
+	.context_size = sizeof(struct cache_ctx),
+	.optgroups = { &optgroup_global, &optgroup_applet },
+	.main = cache_main,
+};
+
+APK_DEFINE_APPLET(apk_cache);