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-rw-r--r--src/output.c95
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diff --git a/src/output.c b/src/output.c
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+/*
+ * output.c Output 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/output.h>
+#include <bmon/module.h>
+#include <bmon/conf.h>
+#include <bmon/group.h>
+#include <bmon/utils.h>
+
+static struct bmon_subsys output_subsys;
+
+void output_register(struct bmon_module *m)
+{
+ module_register(&output_subsys, m);
+}
+
+static void activate_default(void)
+{
+ /*
+ * Try to activate a default output module if the user did not make
+ * a selection
+ */
+ if (!output_subsys.s_nmod) {
+ struct bmon_module *m;
+
+ if (!output_set("curses"))
+ return;
+
+ if (!output_set("ascii"))
+ return;
+
+ /* Fall back to anything that could act as default */
+ list_for_each_entry(m, &output_subsys.s_mod_list, m_list) {
+ if (m->m_flags & BMON_MODULE_DEFAULT)
+ if (!output_set(m->m_name))
+ return;
+ }
+
+ quit("No output module found\n");
+ }
+}
+
+void output_pre(void)
+{
+ module_foreach_run_enabled_pre(&output_subsys);
+}
+
+void output_draw(void)
+{
+ module_foreach_run_enabled(&output_subsys);
+}
+
+void output_post(void)
+{
+ module_foreach_run_enabled_post(&output_subsys);
+}
+
+int output_set(const char *name)
+{
+ return module_set(&output_subsys, name);
+}
+
+static struct bmon_subsys output_subsys = {
+ .s_name = "output",
+ .s_activate_default = &activate_default,
+ .s_mod_list = LIST_SELF(output_subsys.s_mod_list),
+};
+
+static void __init __output_init(void)
+{
+ return module_register_subsys(&output_subsys);
+}