diff options
Diffstat (limited to 'source4/cluster/ctdb/tcp/ctdb_tcp.h')
-rw-r--r-- | source4/cluster/ctdb/tcp/ctdb_tcp.h | 76 |
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 |