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authorLennart Poettering <lennart@poettering.net>2010-05-16 18:45:24 +0200
committerLennart Poettering <lennart@poettering.net>2010-05-16 18:45:24 +0200
commite99e38bbdcca3fe5956823bdb3d38544ccf93221 (patch)
tree109871cf2bdcad19105d55f4eea62d5495a8f614 /src/load-dropin.c
parente9da3678fcfc774b325dc1eaa054d0e00028a1fc (diff)
build-sys: move source files to subdirectory
Diffstat (limited to 'src/load-dropin.c')
-rw-r--r--src/load-dropin.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/src/load-dropin.c b/src/load-dropin.c
new file mode 100644
index 0000000000..2101e33004
--- /dev/null
+++ b/src/load-dropin.c
@@ -0,0 +1,117 @@
+/*-*- Mode: C; c-basic-offset: 8 -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <dirent.h>
+#include <errno.h>
+
+#include "unit.h"
+#include "load-dropin.h"
+#include "log.h"
+#include "strv.h"
+#include "unit-name.h"
+
+static int iterate_dir(Unit *u, const char *path) {
+ DIR *d;
+ struct dirent *de;
+ int r;
+
+ if (!(d = opendir(path))) {
+
+ if (errno == ENOENT)
+ return 0;
+
+ return -errno;
+ }
+
+ while ((de = readdir(d))) {
+ char *f;
+
+ if (ignore_file(de->d_name))
+ continue;
+
+ if (asprintf(&f, "%s/%s", path, de->d_name) < 0) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ r = unit_add_dependency_by_name(u, UNIT_WANTS, de->d_name, f, true);
+ free(f);
+
+ if (r < 0)
+ goto finish;
+ }
+
+ r = 0;
+
+finish:
+ closedir(d);
+ return r;
+}
+
+int unit_load_dropin(Unit *u) {
+ Iterator i;
+ int r;
+ char *t;
+
+ assert(u);
+
+ /* Load dependencies from supplementary drop-in directories */
+
+ SET_FOREACH(t, u->meta.names, i) {
+ char *path;
+ char **p;
+
+ STRV_FOREACH(p, u->meta.manager->unit_path) {
+
+ if (asprintf(&path, "%s/%s.wants", *p, t) < 0)
+ return -ENOMEM;
+
+ r = iterate_dir(u, path);
+ free(path);
+
+ if (r < 0)
+ return r;
+
+ if (u->meta.instance) {
+ char *template;
+ /* Also try the template dir */
+
+ if (!(template = unit_name_template(t)))
+ return -ENOMEM;
+
+ r = asprintf(&path, "%s/%s.wants", *p, template);
+ free(template);
+
+ if (r < 0)
+ return -ENOMEM;
+
+ r = iterate_dir(u, path);
+ free(path);
+
+ if (r < 0)
+ return r;
+ }
+
+ }
+ }
+
+ return 0;
+}