ctdb-event: Add event daemon protocol

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

1 files changed, 100 insertions, 0 deletions

diff --git a/ctdb/event/event_protocol.h b/ctdb/event/event_protocol.h
new file mode 100644
index 00000000000..e7680fc3cb1
--- /dev/null
+++ b/ctdb/event/event_protocol.h
@@ -0,0 +1,100 @@
+/*
+   CTDB event daemon protocol
+   Based on eventd code
+
+   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/>.
+*/
+
+#ifndef __CTDB_EVENT_PROTOCOL_H__
+#define __CTDB_EVENT_PROTOCOL_H__
+
+#define CTDB_EVENT_PROTOCOL_VERSION	1
+
+enum ctdb_event_script_action {
+	CTDB_EVENT_SCRIPT_DISABLE = 0,
+	CTDB_EVENT_SCRIPT_ENABLE  = 1,
+};
+
+enum ctdb_event_command {
+	CTDB_EVENT_CMD_RUN     = 1,
+	CTDB_EVENT_CMD_STATUS  = 2,
+	CTDB_EVENT_CMD_SCRIPT  = 3,
+	CTDB_EVENT_CMD_MAX     = 4,
+};
+
+struct ctdb_event_script {
+	const char *name;
+	struct timeval begin;
+	struct timeval end;
+	int result;
+	const char *output;
+};
+
+struct ctdb_event_script_list {
+	int num_scripts;
+	struct ctdb_event_script *script;
+};
+
+#define CTDB_EVENT_RUN_ALL	1
+
+struct ctdb_event_request_run {
+	const char *component;
+	const char *event;
+	const char *args;
+	uint32_t timeout;
+	uint32_t flags;
+};
+
+struct ctdb_event_request_status {
+	const char *component;
+	const char *event;
+};
+
+struct ctdb_event_request_script {
+	const char *component;
+	const char *script;
+	enum ctdb_event_script_action action;
+};
+
+struct ctdb_event_reply_status {
+	int32_t summary;
+	struct ctdb_event_script_list *script_list;
+};
+
+struct ctdb_event_header {
+	uint32_t length;
+	uint32_t version;
+	uint32_t reqid;
+};
+
+struct ctdb_event_request {
+	enum ctdb_event_command cmd;
+	union {
+		struct ctdb_event_request_run *run;
+		struct ctdb_event_request_status *status;
+		struct ctdb_event_request_script *script;
+	} data;
+};
+
+struct ctdb_event_reply {
+	enum ctdb_event_command cmd;
+	int32_t result;
+	union {
+		struct ctdb_event_reply_status *status;
+	} data;
+};
+
+#endif /* __CTDB_EVENT_PROTOCOL_H__ */