contrib/package: add freifunk watchdog daemon

1 files changed, 98 insertions, 0 deletions

diff --git a/contrib/package/freifunk-watchdog/src/ucix.c b/contrib/package/freifunk-watchdog/src/ucix.c
new file mode 100644
index 000000000..634d9e16c
--- /dev/null
+++ b/contrib/package/freifunk-watchdog/src/ucix.c
@@ -0,0 +1,98 @@
+/*
+ *   This program 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.
+ *
+ *   This program 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 this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *   Copyright (C) 2008 John Crispin <blogic@openwrt.org> 
+ *
+ *   Changed by Jo-Philipp Wich <xm@subsignal.org>
+ */
+
+#include <string.h>
+#include <stdlib.h>
+
+#include <uci_config.h>
+#include <uci.h>
+#include "ucix.h"
+
+static struct uci_ptr ptr;
+
+static inline int ucix_get_ptr(struct uci_context *ctx, const char *p, const char *s, const char *o, const char *t)
+{
+	memset(&ptr, 0, sizeof(ptr));
+	ptr.package = p;
+	ptr.section = s;
+	ptr.option = o;
+	ptr.value = t;
+	return uci_lookup_ptr(ctx, &ptr, NULL, true);
+}
+
+struct uci_context* ucix_init(const char *config_file)
+{
+	struct uci_context *ctx = uci_alloc_context();
+	uci_add_history_path(ctx, "/var/state");
+	if(uci_load(ctx, config_file, NULL) != UCI_OK)
+	{
+		return NULL;
+	}
+	return ctx;
+}
+
+void ucix_cleanup(struct uci_context *ctx)
+{
+	uci_free_context(ctx);
+}
+
+const char* ucix_get_option(struct uci_context *ctx, const char *p, const char *s, const char *o)
+{
+	struct uci_element *e = NULL;
+	const char *value = NULL;
+	if(ucix_get_ptr(ctx, p, s, o, NULL))
+		return NULL;
+	if (!(ptr.flags & UCI_LOOKUP_COMPLETE))
+		return NULL;
+	e = ptr.last;
+	switch (e->type)
+	{
+	case UCI_TYPE_SECTION:
+		value = uci_to_section(e)->type;
+		break;
+	case UCI_TYPE_OPTION:
+		switch(ptr.o->type) {
+			case UCI_TYPE_STRING:
+				value = ptr.o->v.string;
+				break;
+			default:
+				value = NULL;
+				break;
+		}
+		break;
+	default:
+		return 0;
+	}
+
+	return value;
+}
+
+void ucix_for_each_section_type(struct uci_context *ctx,
+	const char *p, const char *t,
+	void (*cb)(const char*, void*), void *priv)
+{
+	struct uci_element *e;
+	if(ucix_get_ptr(ctx, p, NULL, NULL, NULL))
+		return;
+	uci_foreach_element(&ptr.p->sections, e)
+		if (!strcmp(t, uci_to_section(e)->type))
+			cb(e->name, priv);
+}
+