ctdb-event: Add event daemon implementation

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>

1 files changed, 122 insertions, 0 deletions

diff --git a/ctdb/event/event_config.c b/ctdb/event/event_config.c
new file mode 100644
index 00000000000..d2826225c80
--- /dev/null
+++ b/ctdb/event/event_config.c
@@ -0,0 +1,122 @@
+/*
+   CTDB event daemon - config handling
+
+   Copyright (C) Amitay Isaacs  2018
+
+   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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "replace.h"
+
+#include <talloc.h>
+
+#include "common/conf.h"
+#include "common/logging_conf.h"
+#include "common/path.h"
+
+#include "event/event_private.h"
+#include "event/event_conf.h"
+
+struct event_config {
+	char *config_file;
+	struct conf_context *conf;
+
+	const char *logging_location;
+	const char *logging_loglevel;
+	const char *debug_script;
+};
+
+int event_config_init(TALLOC_CTX *mem_ctx, struct event_config **result)
+{
+	struct event_config *config;
+	int ret;
+	bool ok;
+
+	config = talloc_zero(mem_ctx, struct event_config);
+	if (config == NULL) {
+		return ENOMEM;
+	}
+
+	config->config_file = path_config(config);
+	if (config->config_file == NULL) {
+		talloc_free(config);
+		return ENOMEM;
+	}
+
+	ret = conf_init(config, &config->conf);
+	if (ret != 0) {
+		talloc_free(config);
+		return ret;
+	}
+
+	logging_conf_init(config->conf, NULL);
+
+	conf_assign_string_pointer(config->conf,
+				   LOGGING_CONF_SECTION,
+				   LOGGING_CONF_LOCATION,
+				   &config->logging_location);
+	conf_assign_string_pointer(config->conf,
+				   LOGGING_CONF_SECTION,
+				   LOGGING_CONF_LOG_LEVEL,
+				   &config->logging_loglevel);
+
+	event_conf_init(config->conf);
+
+	conf_assign_string_pointer(config->conf,
+				   EVENT_CONF_SECTION,
+				   EVENT_CONF_DEBUG_SCRIPT,
+				   &config->debug_script);
+
+	ok = conf_valid(config->conf);
+	if (!ok) {
+		talloc_free(config);
+		return EINVAL;
+	}
+
+	ret = conf_load(config->conf, config->config_file, true);
+	if (ret != 0 && ret != ENOENT) {
+		talloc_free(config);
+		return ret;
+	}
+
+	*result = config;
+	return 0;
+}
+
+const char *event_config_log_location(struct event_config *config)
+{
+	return config->logging_location;
+}
+
+const char *event_config_log_level(struct event_config *config)
+{
+	return config->logging_loglevel;
+}
+
+const char *event_config_debug_script(struct event_config *config)
+{
+	return config->debug_script;
+}
+
+int event_config_reload(struct event_config *config)
+{
+	int ret;
+
+	ret = conf_reload(config->conf);
+	if (ret != 0 && ret != ENOENT) {
+		return ret;
+	}
+
+	return 0;
+}