Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

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

1 files changed, 194 insertions, 0 deletions

diff --git a/source3/include/ctdbd_conn.h b/source3/include/ctdbd_conn.h
new file mode 100644
index 0000000..0618d07
--- /dev/null
+++ b/source3/include/ctdbd_conn.h
@@ -0,0 +1,194 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Samba3 ctdb connection handling
+   Copyright (C) Volker Lendecke 2007
+
+   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 _CTDBD_CONN_H
+#define _CTDBD_CONN_H
+
+#include "replace.h"
+#include "system/filesys.h"
+#include "system/network.h"
+#include "lib/dbwrap/dbwrap.h"
+#include <tdb.h>
+#include <tevent.h>
+
+struct ctdbd_connection;
+struct messaging_context;
+struct messaging_rec;
+
+int ctdbd_init_connection(TALLOC_CTX *mem_ctx,
+			  const char *sockname, int timeout,
+			  struct ctdbd_connection **pconn);
+int ctdbd_init_async_connection(
+	TALLOC_CTX *mem_ctx,
+	const char *sockname,
+	int timeout,
+	struct ctdbd_connection **pconn);
+int ctdbd_reinit_connection(TALLOC_CTX *mem_ctx,
+			    const char *sockname, int timeout,
+			    struct ctdbd_connection *conn);
+
+uint32_t ctdbd_vnn(const struct ctdbd_connection *conn);
+
+int ctdbd_conn_get_fd(struct ctdbd_connection *conn);
+void ctdbd_socket_readable(struct tevent_context *ev,
+			   struct ctdbd_connection *conn);
+
+int ctdbd_messaging_send_iov(struct ctdbd_connection *conn,
+			     uint32_t dst_vnn, uint64_t dst_srvid,
+			     const struct iovec *iov, int iovlen);
+
+bool ctdbd_process_exists(struct ctdbd_connection *conn, uint32_t vnn,
+			  pid_t pid, uint64_t unique_id);
+
+char *ctdbd_dbpath(struct ctdbd_connection *conn,
+		   TALLOC_CTX *mem_ctx, uint32_t db_id);
+
+int ctdbd_db_attach(struct ctdbd_connection *conn, const char *name,
+		    uint32_t *db_id, bool persistent);
+
+int ctdbd_migrate(struct ctdbd_connection *conn, uint32_t db_id, TDB_DATA key);
+
+int ctdbd_parse(struct ctdbd_connection *conn, uint32_t db_id,
+		TDB_DATA key, bool local_copy,
+		void (*parser)(TDB_DATA key, TDB_DATA data,
+			       void *private_data),
+		void *private_data);
+
+int ctdbd_traverse(struct ctdbd_connection *master, uint32_t db_id,
+		   void (*fn)(TDB_DATA key, TDB_DATA data,
+			      void *private_data),
+		   void *private_data);
+
+int ctdbd_register_ips(struct ctdbd_connection *conn,
+		       const struct sockaddr_storage *server,
+		       const struct sockaddr_storage *client,
+		       int (*cb)(struct tevent_context *ev,
+				 uint32_t src_vnn, uint32_t dst_vnn,
+				 uint64_t dst_srvid,
+				 const uint8_t *msg, size_t msglen,
+				 void *private_data),
+		       void *private_data);
+void ctdbd_unregister_ips(struct ctdbd_connection *conn,
+			  const struct sockaddr_storage *_server,
+			  const struct sockaddr_storage *_client,
+			  int (*cb)(struct tevent_context *ev,
+				    uint32_t src_vnn,
+				    uint32_t dst_vnn,
+				    uint64_t dst_srvid,
+				    const uint8_t *msg,
+				    size_t msglen,
+				    void *private_data),
+			  void *private_data);
+void ctdbd_passed_ips(struct ctdbd_connection *conn,
+		      const struct sockaddr_storage *_server,
+		      const struct sockaddr_storage *_client,
+		      int (*cb)(struct tevent_context *ev,
+				uint32_t src_vnn,
+				uint32_t dst_vnn,
+				uint64_t dst_srvid,
+				const uint8_t *msg,
+				size_t msglen,
+				void *private_data),
+		      void *private_data);
+
+/*
+ * call @cb for each public IP. If @cb returns non-zero, then break the loop
+ * and propagate the return value upwards.
+ * @returns: 0 on success, where all @cb invocations also returned zero
+ *	     ENOMEM on memory allocation failure
+ *	     EIO on ctdbd connection failure
+ *	     @cb() return value if non-zero
+ */
+int ctdbd_public_ip_foreach(struct ctdbd_connection *conn,
+			    int (*cb)(uint32_t total_ip_count,
+				      const struct sockaddr_storage *ip,
+				      bool is_movable_ip,
+				      void *private_data),
+			    void *private_data);
+int ctdbd_all_ip_foreach(struct ctdbd_connection *conn,
+			 bool include_node_ips,
+			 bool include_public_ips,
+			 int (*cb)(uint32_t total_ip_count,
+				   const struct sockaddr_storage *ip,
+				   uint32_t pinned_pnn,
+				   uint32_t current_pnn,
+				   void *private_data),
+			 void *private_data);
+
+int ctdbd_control_local(struct ctdbd_connection *conn, uint32_t opcode,
+			uint64_t srvid, uint32_t flags, TDB_DATA data,
+			TALLOC_CTX *mem_ctx, TDB_DATA *outdata,
+			int32_t *cstatus);
+int ctdb_watch_us(struct ctdbd_connection *conn);
+int ctdb_unwatch(struct ctdbd_connection *conn);
+
+struct ctdb_req_message_old;
+
+int register_with_ctdbd(struct ctdbd_connection *conn, uint64_t srvid,
+			int (*cb)(struct tevent_context *ev,
+				  uint32_t src_vnn, uint32_t dst_vnn,
+				  uint64_t dst_srvid,
+				  const uint8_t *msg, size_t msglen,
+				  void *private_data),
+			void *private_data);
+void deregister_from_ctdbd(struct ctdbd_connection *conn,
+			   uint64_t srvid,
+			   int (*cb)(struct tevent_context *ev,
+				     uint32_t src_vnn,
+				     uint32_t dst_vnn,
+				     uint64_t dst_srvid,
+				     const uint8_t *msg,
+				     size_t msglen,
+				     void *private_data),
+			   void *private_data);
+int ctdbd_probe(const char *sockname, int timeout);
+
+struct ctdb_req_header;
+void ctdbd_prep_hdr_next_reqid(
+	struct ctdbd_connection *conn, struct ctdb_req_header *hdr);
+
+/*
+ * Async ctdb_request. iov[0] must start with an initialized
+ * struct ctdb_req_header
+ */
+struct tevent_req *ctdbd_req_send(
+	TALLOC_CTX *mem_ctx,
+	struct tevent_context *ev,
+	struct ctdbd_connection *conn,
+	struct iovec *iov,
+	size_t num_iov);
+int ctdbd_req_recv(
+	struct tevent_req *req,
+	TALLOC_CTX *mem_ctx,
+	struct ctdb_req_header **reply);
+
+struct tevent_req *ctdbd_parse_send(TALLOC_CTX *mem_ctx,
+				    struct tevent_context *ev,
+				    struct ctdbd_connection *conn,
+				    uint32_t db_id,
+				    TDB_DATA key,
+				    bool local_copy,
+				    void (*parser)(TDB_DATA key,
+						   TDB_DATA data,
+						   void *private_data),
+				    void *private_data,
+				    enum dbwrap_req_state *req_state);
+int ctdbd_parse_recv(struct tevent_req *req);
+
+#endif /* _CTDBD_CONN_H */