r20889: import ctdb cluster backend from bzr

it will be interesting to see how the build farm handles this
(This used to be commit 53be449630bd67d649a9e70cc7e25a9799c0616b)

1 files changed, 76 insertions, 0 deletions

diff --git a/source4/cluster/ctdb/tcp/ctdb_tcp.h b/source4/cluster/ctdb/tcp/ctdb_tcp.h
new file mode 100644
index 0000000000..0f8ce300b4
--- /dev/null
+++ b/source4/cluster/ctdb/tcp/ctdb_tcp.h
@@ -0,0 +1,76 @@
+/* 
+   ctdb database library
+
+   Copyright (C) Andrew Tridgell  2006
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+
+/* ctdb_tcp main state */
+struct ctdb_tcp {
+	int listen_fd;
+};
+
+/*
+  incoming packet structure - only used when we get a partial packet
+  on read
+*/
+struct ctdb_tcp_partial {
+	uint8_t *data;
+	uint32_t length;
+};
+
+
+/*
+  state associated with an incoming connection
+*/
+struct ctdb_incoming {
+	struct ctdb_context *ctdb;
+	int fd;
+	struct ctdb_tcp_partial partial;
+};
+
+/*
+  outgoing packet structure - only allocated when we can't write immediately
+  to the socket
+*/
+struct ctdb_tcp_packet {
+	struct ctdb_tcp_packet *next, *prev;
+	uint8_t *data;
+	uint32_t length;
+};
+
+/*
+  state associated with one tcp node
+*/
+struct ctdb_tcp_node {
+	int fd;
+	struct fd_event *fde;
+	struct ctdb_tcp_packet *queue;
+};
+
+
+/* prototypes internal to tcp transport */
+void ctdb_tcp_node_write(struct event_context *ev, struct fd_event *fde, 
+			 uint16_t flags, void *private);
+void ctdb_tcp_incoming_read(struct event_context *ev, struct fd_event *fde, 
+			    uint16_t flags, void *private);
+int ctdb_tcp_queue_pkt(struct ctdb_node *node, uint8_t *data, uint32_t length);
+int ctdb_tcp_listen(struct ctdb_context *ctdb);
+void ctdb_tcp_node_connect(struct event_context *ev, struct timed_event *te, 
+			   struct timeval t, void *private);
+
+#define CTDB_TCP_ALIGNMENT 8