Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 289 insertions, 0 deletions

diff --git a/ctdb/include/ctdb_client.h b/ctdb/include/ctdb_client.h
new file mode 100644
index 0000000..b993620
--- /dev/null
+++ b/ctdb/include/ctdb_client.h
@@ -0,0 +1,289 @@
+/*
+   ctdb database library: old client interface
+
+   Copyright (C) Andrew Tridgell  2006
+
+   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_CLIENT_H
+#define _CTDB_CLIENT_H
+
+#include "common/srvid.h"
+#include "ctdb_protocol.h"
+
+enum control_state {
+	CTDB_CONTROL_WAIT,
+	CTDB_CONTROL_DONE,
+	CTDB_CONTROL_ERROR,
+	CTDB_CONTROL_TIMEOUT
+};
+
+struct ctdb_client_control_state {
+	struct ctdb_context *ctdb;
+	uint32_t reqid;
+	int32_t status;
+	TDB_DATA outdata;
+	enum control_state state;
+	char *errormsg;
+	struct ctdb_req_control_old *c;
+
+	/* if we have a callback registered for the completion (or failure) of
+	   this control
+	   if a callback is used, it MUST talloc_free the cb_data passed to it
+	*/
+	struct {
+		void (*fn)(struct ctdb_client_control_state *);
+		void *private_data;
+	} async;
+};
+
+struct tevent_context;
+struct ctdb_db_context;
+
+/*
+  allocate a packet for use in client<->daemon communication
+ */
+struct ctdb_req_header *_ctdbd_allocate_pkt(struct ctdb_context *ctdb,
+					    TALLOC_CTX *mem_ctx,
+					    enum ctdb_operation operation,
+					    size_t length, size_t slength,
+					    const char *type);
+
+#define ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, type) \
+	(type *)_ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, \
+				    sizeof(type), #type)
+
+int ctdb_call_local(struct ctdb_db_context *ctdb_db, struct ctdb_call *call,
+		    struct ctdb_ltdb_header *header, TALLOC_CTX *mem_ctx,
+		    TDB_DATA *data, bool updatetdb);
+
+void ctdb_request_message(struct ctdb_context *ctdb,
+			  struct ctdb_req_header *hdr);
+
+void ctdb_client_read_cb(uint8_t *data, size_t cnt, void *args);
+
+int ctdb_socket_connect(struct ctdb_context *ctdb);
+
+/*
+  make a ctdb call. The associated ctdb call function will be called on the DMASTER
+  for the given record
+*/
+struct ctdb_client_call_state *ctdb_call_send(struct ctdb_db_context *ctdb_db,
+					      struct ctdb_call *call);
+int ctdb_call_recv(struct ctdb_client_call_state *state,
+		   struct ctdb_call *call);
+int ctdb_call(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
+
+/* setup a handler for ctdb messages */
+typedef void (*ctdb_msg_fn_t)(struct ctdb_context *, uint64_t srvid,
+			      TDB_DATA data, void *);
+
+int ctdb_client_set_message_handler(struct ctdb_context *ctdb, uint64_t srvid,
+				    srvid_handler_fn handler,
+				    void *private_data);
+int ctdb_client_remove_message_handler(struct ctdb_context *ctdb,
+				       uint64_t srvid, void *private_data);
+
+/* send a ctdb message */
+int ctdb_client_send_message(struct ctdb_context *ctdb, uint32_t pnn,
+			     uint64_t srvid, TDB_DATA data);
+
+struct ctdb_client_control_state *ctdb_control_send(struct ctdb_context *ctdb,
+						    uint32_t destnode,
+						    uint64_t srvid,
+						    uint32_t opcode,
+						    uint32_t flags,
+						    TDB_DATA data,
+						    TALLOC_CTX *mem_ctx,
+						    struct timeval *timeout,
+						    char **errormsg);
+int ctdb_control_recv(struct ctdb_context *ctdb,
+		      struct ctdb_client_control_state *state,
+		      TALLOC_CTX *mem_ctx, TDB_DATA *outdata,
+		      int32_t *status, char **errormsg);
+int ctdb_control(struct ctdb_context *ctdb, uint32_t destnode, uint64_t srvid,
+		 uint32_t opcode, uint32_t flags, TDB_DATA data,
+		 TALLOC_CTX *mem_ctx, TDB_DATA *outdata, int32_t *status,
+		 struct timeval *timeout, char **errormsg);
+
+int ctdb_ctrl_getvnnmap(struct ctdb_context *ctdb, struct timeval timeout,
+			uint32_t destnode, TALLOC_CTX *mem_ctx,
+			struct ctdb_vnn_map **vnnmap);
+
+/*
+  get the recovery mode of a remote node
+ */
+struct ctdb_client_control_state *ctdb_ctrl_getrecmode_send(
+					struct ctdb_context *ctdb,
+					TALLOC_CTX *mem_ctx,
+					struct timeval timeout,
+					uint32_t destnode);
+int ctdb_ctrl_getrecmode_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
+			      struct ctdb_client_control_state *state,
+			      uint32_t *recmode);
+int ctdb_ctrl_getrecmode(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
+			 struct timeval timeout, uint32_t destnode,
+			 uint32_t *recmode);
+
+/*
+  set the recovery mode of a remote node
+ */
+int ctdb_ctrl_setrecmode(struct ctdb_context *ctdb, struct timeval timeout,
+			 uint32_t destnode, uint32_t recmode);
+
+int ctdb_ctrl_getnodemap(struct ctdb_context *ctdb, struct timeval timeout,
+			 uint32_t destnode, TALLOC_CTX *mem_ctx,
+			 struct ctdb_node_map_old **nodemap);
+
+int ctdb_ctrl_get_runstate(struct ctdb_context *ctdb, struct timeval timeout,
+			   uint32_t destnode, uint32_t *runstate);
+
+int ctdb_ctrl_get_debuglevel(struct ctdb_context *ctdb, uint32_t destnode,
+			     int32_t *level);
+
+int ctdb_ctrl_freeze(struct ctdb_context *ctdb, struct timeval timeout,
+		     uint32_t destnode);
+
+int ctdb_ctrl_getpnn(struct ctdb_context *ctdb, struct timeval timeout,
+		     uint32_t destnode);
+
+int ctdb_ctrl_get_public_ips_flags(struct ctdb_context *ctdb,
+				   struct timeval timeout, uint32_t destnode,
+				   TALLOC_CTX *mem_ctx, uint32_t flags,
+				   struct ctdb_public_ip_list_old **ips);
+int ctdb_ctrl_get_public_ips(struct ctdb_context *ctdb,
+			     struct timeval timeout, uint32_t destnode,
+			     TALLOC_CTX *mem_ctx,
+			     struct ctdb_public_ip_list_old **ips);
+
+int ctdb_ctrl_get_ifaces(struct ctdb_context *ctdb,
+			 struct timeval timeout, uint32_t destnode,
+			 TALLOC_CTX *mem_ctx,
+			 struct ctdb_iface_list_old **ifaces);
+
+int ctdb_ctrl_get_all_tunables(struct ctdb_context *ctdb,
+			       struct timeval timeout, uint32_t destnode,
+			       struct ctdb_tunable_list *tunables);
+
+/*
+  set some flags
+*/
+void ctdb_set_flags(struct ctdb_context *ctdb, unsigned flags);
+
+const char *ctdb_get_socketname(struct ctdb_context *ctdb);
+
+/* return pnn of this node */
+uint32_t ctdb_get_pnn(struct ctdb_context *ctdb);
+
+typedef void (*client_async_callback)(struct ctdb_context *ctdb,
+				      uint32_t node_pnn, int32_t res,
+				      TDB_DATA outdata, void *callback_data);
+
+struct client_async_data {
+	enum ctdb_controls opcode;
+	bool dont_log_errors;
+	uint32_t count;
+	uint32_t fail_count;
+	client_async_callback callback;
+	client_async_callback fail_callback;
+	void *callback_data;
+};
+
+void ctdb_client_async_add(struct client_async_data *data,
+			   struct ctdb_client_control_state *state);
+int ctdb_client_async_wait(struct ctdb_context *ctdb,
+			   struct client_async_data *data);
+int ctdb_client_async_control(struct ctdb_context *ctdb,
+			      enum ctdb_controls opcode, uint32_t *nodes,
+			      uint64_t srvid, struct timeval timeout,
+			      bool dont_log_errors, TDB_DATA data,
+			      client_async_callback client_callback,
+			      client_async_callback fail_callback,
+			      void *callback_data);
+
+uint32_t *list_of_vnnmap_nodes(struct ctdb_context *ctdb,
+			       struct ctdb_vnn_map *vnn_map,
+			       TALLOC_CTX *mem_ctx, bool include_self);
+
+uint32_t *list_of_active_nodes(struct ctdb_context *ctdb,
+			       struct ctdb_node_map_old *node_map,
+			       TALLOC_CTX *mem_ctx, bool include_self);
+uint32_t *list_of_connected_nodes(struct ctdb_context *ctdb,
+				  struct ctdb_node_map_old *node_map,
+				  TALLOC_CTX *mem_ctx, bool include_self);
+
+/*
+  get capabilities of a remote node
+ */
+
+struct ctdb_client_control_state *ctdb_ctrl_getcapabilities_send(
+					struct ctdb_context *ctdb,
+					TALLOC_CTX *mem_ctx,
+					struct timeval timeout,
+					uint32_t destnode);
+int ctdb_ctrl_getcapabilities_recv(struct ctdb_context *ctdb,
+				   TALLOC_CTX *mem_ctx,
+				   struct ctdb_client_control_state *state,
+				   uint32_t *capabilities);
+int ctdb_ctrl_getcapabilities(struct ctdb_context *ctdb,
+			      struct timeval timeout, uint32_t destnode,
+			      uint32_t *capabilities);
+
+struct ctdb_node_capabilities {
+	bool retrieved;
+	uint32_t capabilities;
+};
+
+/* Retrieve capabilities for all connected nodes.  The length of the
+ * returned array can be calculated using talloc_array_length(). */
+struct ctdb_node_capabilities *ctdb_get_capabilities(
+					struct ctdb_context *ctdb,
+					TALLOC_CTX *mem_ctx,
+					struct timeval timeout,
+					struct ctdb_node_map_old *nodemap);
+
+/* Get capabilities for specified node, NULL if not found */
+uint32_t *ctdb_get_node_capabilities(struct ctdb_node_capabilities *caps,
+				     uint32_t pnn);
+
+/* True if the given node has all of the required capabilities */
+bool ctdb_node_has_capabilities(struct ctdb_node_capabilities *caps,
+				uint32_t pnn, uint32_t capabilities_required);
+
+int ctdb_ctrl_recd_ping(struct ctdb_context *ctdb);
+
+int ctdb_ctrl_report_recd_lock_latency(struct ctdb_context *ctdb,
+				       struct timeval timeout, double latency);
+
+int ctdb_ctrl_set_ban(struct ctdb_context *ctdb, struct timeval timeout,
+		      uint32_t destnode, struct ctdb_ban_state *bantime);
+
+struct ctdb_client_control_state *ctdb_ctrl_updaterecord_send(
+					struct ctdb_context *ctdb,
+					TALLOC_CTX *mem_ctx,
+					struct timeval timeout,
+					uint32_t destnode,
+					struct ctdb_db_context *ctdb_db,
+					TDB_DATA key,
+					struct ctdb_ltdb_header *header,
+					TDB_DATA data);
+int ctdb_ctrl_updaterecord_recv(struct ctdb_context *ctdb,
+				struct ctdb_client_control_state *state);
+int ctdb_ctrl_updaterecord(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
+			   struct timeval timeout, uint32_t destnode,
+			   struct ctdb_db_context *ctdb_db, TDB_DATA key,
+			   struct ctdb_ltdb_header *header, TDB_DATA data);
+
+#endif /* _CTDB_CLIENT_H */