1 files changed, 83 insertions, 0 deletions
diff --git a/src/input.c b/src/input.c
new file mode 100644
index 0000000..f4afac7
--- /dev/null
+++ b/src/input.c
@@ -0,0 +1,83 @@
+/*
+ * input.c            Input API
+ *
+ * Copyright (c) 2001-2013 Thomas Graf <tgraf@suug.ch>
+ * Copyright (c) 2013 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <bmon/bmon.h>
+#include <bmon/input.h>
+#include <bmon/module.h>
+#include <bmon/utils.h>
+
+static struct bmon_subsys input_subsys;
+
+void input_register(struct bmon_module *m)
+{
+	module_register(&input_subsys, m);
+}
+
+static void activate_default(void)
+{
+	/*
+	 * Try to activate a default input module if the user did not make
+	 * a selection
+	 */
+	if (!input_subsys.s_nmod) {
+		struct bmon_module *m;
+
+		if (!input_set("netlink"))
+			return;
+
+		if (!input_set("proc"))
+			return;
+
+		/* Fall back to anything that could act as default */
+		list_for_each_entry(m, &input_subsys.s_mod_list, m_list) {
+			if (m->m_flags & BMON_MODULE_DEFAULT)
+				if (!input_set(m->m_name))
+					return;
+		}
+
+		quit("No input module found\n");
+	}
+}
+
+void input_read(void)
+{
+	module_foreach_run_enabled(&input_subsys);
+}
+
+int input_set(const char *name)
+{
+	return module_set(&input_subsys, name);
+}
+
+static struct bmon_subsys input_subsys = {
+	.s_name			= "input",
+	.s_activate_default	= &activate_default,
+	.s_mod_list		= LIST_SELF(input_subsys.s_mod_list),
+};
+
+static void __init __input_init(void)
+{
+	module_register_subsys(&input_subsys);
+}