From ef0efc2840290aeaec96acd302ef5bfde5598cc2 Mon Sep 17 00:00:00 2001
From: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Date: Fri, 14 May 2010 10:59:45 +1000
Subject: [PATCH] add a libctdb version of the control to create a database

---
 include/ctdb.h    | 23 ++++++++++--
 libctdb/libctdb.c | 90 +++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 109 insertions(+), 4 deletions(-)

diff --git a/include/ctdb.h b/include/ctdb.h
index b0748761..bebf8042 100644
--- a/include/ctdb.h
+++ b/include/ctdb.h
@@ -99,8 +99,9 @@ ctdb_remove_message_handler_send(struct ctdb_context *ctdb, uint64_t srvid,
 int ctdb_remove_message_handler_recv(struct ctdb_context *ctdb,
 				  ctdb_handle *handle);
 
-int ctdb_remove_message_handler(struct ctdb_context *ctdb, uint64_t srvid,
-				void *private_data);
+int ctdb_remove_message_handler(struct ctdb_context *ctdb, uint64_t srvid);
+
+
 
 /*
  * send a message to a specific node/port
@@ -151,6 +152,24 @@ int ctdb_getrecmaster(struct ctdb_context *ctdb,
 
 
 
+/*
+ * functions to create a database
+ * if the database already exists this function is a NOP
+ */
+typedef void (*ctdb_createdb_cb)(int32_t status, void *private_data);
+
+ctdb_handle *
+ctdb_createdb_send(struct ctdb_context *ctdb, uint32_t destnode,
+		   const char *name, bool persistent,
+		   ctdb_createdb_cb callback,
+		   void *private_data);
+int ctdb_createdb_recv(struct ctdb_context *ctdb,
+		       ctdb_handle *handle);
+int ctdb_createdb(struct ctdb_context *ctdb, uint32_t destnode,
+		  const char *name, bool persistent);
+
+
+
 /*
  * cancel a request/call
  */
diff --git a/libctdb/libctdb.c b/libctdb/libctdb.c
index 19ec8cea..f91dd93f 100644
--- a/libctdb/libctdb.c
+++ b/libctdb/libctdb.c
@@ -450,11 +450,11 @@ int ctdb_remove_message_handler_recv(struct ctdb_context *ctdb, ctdb_handle *han
 /*
   tell the daemon we no longer want a srvid
 */
-int ctdb_remove_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void *private_data)
+int ctdb_remove_message_handler(struct ctdb_context *ctdb, uint64_t srvid)
 {
 	struct ctdb_client_control_state *state;
 	
-	state = ctdb_remove_message_handler_send(ctdb, srvid, NULL, private_data);
+	state = ctdb_remove_message_handler_send(ctdb, srvid, NULL, NULL);
 	if (state == NULL) {
 		DEBUG(DEBUG_ERR,(__location__ " ctdb_remove_message_handler_send() failed.\n"));
 		return -1;
@@ -462,3 +462,89 @@ int ctdb_remove_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void
 
 	return ctdb_remove_message_handler_recv(ctdb, state);
 }
+
+
+
+
+
+
+
+/*
+ * Create a database. If the database already exists this is a NOP.
+ */
+static void
+ctdb_createdb_recv_cb(struct ctdb_client_control_state *state)
+{
+	struct ctdb_control_cb_data *cb_data = state->async.private_data;
+	ctdb_createdb_cb callback = (ctdb_createdb_cb)cb_data->callback;
+
+	callback(state->status, cb_data->private_data);
+}
+
+
+ctdb_handle *
+ctdb_createdb_send(struct ctdb_context *ctdb, uint32_t destnode,
+			const char *name, bool persistent,
+			ctdb_createdb_cb callback,
+			void *private_data)
+				    
+{
+	struct ctdb_client_control_state *state;
+	struct ctdb_control_cb_data *cb_data;
+	TDB_DATA data;
+
+	data.dptr = discard_const(name);
+	data.dsize = strlen(name)+1;
+
+	state = ctdb_control_send(ctdb, destnode, 0,
+			persistent?CTDB_CONTROL_DB_ATTACH_PERSISTENT:CTDB_CONTROL_DB_ATTACH,
+			0, data, 
+			ctdb, NULL);
+	if (state == NULL) {
+		DEBUG(DEBUG_ERR,(__location__ " Failed to send CREATEDB control\n"));
+		return NULL;
+	}
+
+	if (callback != NULL) {
+		cb_data = talloc(state, struct ctdb_control_cb_data);
+		cb_data->callback     = callback;
+		cb_data->private_data = private_data;
+
+		state->async.fn           = ctdb_createdb_recv_cb;
+		state->async.private_data = cb_data;
+	}
+
+	return (ctdb_handle *)state;
+}
+
+
+int ctdb_createdb_recv(struct ctdb_context *ctdb, ctdb_handle *handle)
+{
+	struct ctdb_client_control_state *state = talloc_get_type(handle, struct ctdb_client_control_state);
+	int ret;
+	int32_t res;
+
+	ret = ctdb_control_recv(ctdb, state, state, NULL, &res, NULL);
+	if (ret != 0 || res != 0) {
+		DEBUG(DEBUG_ERR,(__location__ " ctdb_createdb_recv failed\n"));
+		return -1;
+	}
+
+	return state->status;
+}
+
+int ctdb_createdb(struct ctdb_context *ctdb, uint32_t destnode, const char *name, bool persistent)
+{
+	struct ctdb_client_control_state *state;
+	
+	state = ctdb_createdb_send(ctdb, destnode, name, persistent, NULL, NULL);
+	if (state == NULL) {
+		DEBUG(DEBUG_ERR,(__location__ " ctdb_createdb_send() failed.\n"));
+		return -1;
+	}
+
+	return ctdb_createdb_recv(ctdb, state);
+}
+
+
+
-- 
2.34.1