2007-04-06 04:27:59 +00:00
|
|
|
/* packet-ctdb.c
|
|
|
|
* Routines for CTDB (Cluster TDB) dissection
|
|
|
|
* Copyright 2007, Ronnie Sahlberg
|
|
|
|
*
|
|
|
|
* $Id$
|
|
|
|
*
|
|
|
|
* Wireshark - Network traffic analyzer
|
|
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
|
|
* Copyright 1998 Gerald Combs
|
|
|
|
*
|
|
|
|
* 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 2
|
|
|
|
* 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, write to the Free Software
|
|
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
|
|
#include "config.h"
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <string.h>
|
|
|
|
|
|
|
|
#include <glib.h>
|
|
|
|
|
|
|
|
#include <epan/packet.h>
|
|
|
|
#include <epan/prefs.h>
|
|
|
|
#include <epan/value_string.h>
|
|
|
|
#include <epan/conversation.h>
|
|
|
|
#include <epan/emem.h>
|
|
|
|
|
|
|
|
/* Initialize the protocol and registered fields */
|
|
|
|
static int proto_ctdb = -1;
|
|
|
|
static int hf_ctdb_length = -1;
|
|
|
|
static int hf_ctdb_opcode = -1;
|
2007-04-06 05:02:41 +00:00
|
|
|
static int hf_ctdb_magic = -1;
|
|
|
|
static int hf_ctdb_version = -1;
|
2007-04-06 04:27:59 +00:00
|
|
|
static int hf_ctdb_dst = -1;
|
|
|
|
static int hf_ctdb_src = -1;
|
|
|
|
static int hf_ctdb_id = -1;
|
|
|
|
static int hf_ctdb_flags_immediate = -1;
|
|
|
|
static int hf_ctdb_dbid = -1;
|
|
|
|
static int hf_ctdb_callid = -1;
|
|
|
|
static int hf_ctdb_status = -1;
|
2007-04-23 09:44:13 +00:00
|
|
|
static int hf_ctdb_keylen = -1;
|
2007-04-06 04:27:59 +00:00
|
|
|
static int hf_ctdb_datalen = -1;
|
2007-04-23 09:44:13 +00:00
|
|
|
static int hf_ctdb_key = -1;
|
|
|
|
static int hf_ctdb_keyhash = -1;
|
|
|
|
static int hf_ctdb_data = -1;
|
|
|
|
static int hf_ctdb_dmaster = -1;
|
|
|
|
static int hf_ctdb_request_in = -1;
|
|
|
|
static int hf_ctdb_response_in = -1;
|
|
|
|
static int hf_ctdb_time = -1;
|
|
|
|
static int hf_ctdb_xid = -1;
|
2007-05-02 13:32:07 +00:00
|
|
|
static int hf_ctdb_generation = -1;
|
|
|
|
static int hf_ctdb_hopcount = -1;
|
|
|
|
static int hf_ctdb_rsn = -1;
|
|
|
|
static int hf_ctdb_ctrl_opcode = -1;
|
|
|
|
static int hf_ctdb_srvid = -1;
|
|
|
|
static int hf_ctdb_ctrl_flags = -1;
|
2007-04-06 04:27:59 +00:00
|
|
|
|
|
|
|
/* Initialize the subtree pointers */
|
|
|
|
static gint ett_ctdb = -1;
|
2007-04-23 09:44:13 +00:00
|
|
|
static gint ett_ctdb_key = -1;
|
2007-04-06 04:27:59 +00:00
|
|
|
|
2007-04-23 09:44:13 +00:00
|
|
|
/* this tree keeps track of caller/reqid for ctdb transactions */
|
|
|
|
emem_tree_t *ctdb_transactions=NULL;
|
|
|
|
typedef struct _ctdb_trans_t {
|
|
|
|
guint32 key_hash;
|
|
|
|
gint32 request_in;
|
|
|
|
gint32 response_in;
|
|
|
|
nstime_t req_time;
|
|
|
|
} ctdb_trans_t;
|
2007-04-06 04:27:59 +00:00
|
|
|
|
|
|
|
|
|
|
|
#define CTDB_REQ_CALL 0
|
|
|
|
#define CTDB_REPLY_CALL 1
|
2007-05-02 13:32:07 +00:00
|
|
|
#define CTDB_REQ_DMASTER 2
|
|
|
|
#define CTDB_REPLY_DMASTER 3
|
|
|
|
#define CTDB_REPLY_ERROR 4
|
|
|
|
#define CTDB_REQ_MESSAGE 5
|
|
|
|
#define CTDB_REQ_FINISHED 6
|
|
|
|
#define CTDB_REQ_CONTROL 7
|
|
|
|
#define CTDB_REPLY_CONTROL 8
|
2007-04-06 04:27:59 +00:00
|
|
|
static const value_string ctdb_opcodes[] = {
|
2007-05-02 13:32:07 +00:00
|
|
|
{CTDB_REQ_CALL, "CTDB_REQ_CALL"},
|
2007-04-06 04:27:59 +00:00
|
|
|
{CTDB_REPLY_CALL, "CTDB_REPLY_CALL"},
|
|
|
|
{CTDB_REQ_DMASTER, "CTDB_REQ_DMASTER"},
|
|
|
|
{CTDB_REPLY_DMASTER, "CTDB_REPLY_DMASTER"},
|
|
|
|
{CTDB_REPLY_ERROR, "CTDB_REPLY_ERROR"},
|
|
|
|
{CTDB_REQ_MESSAGE, "CTDB_REQ_MESSAGE"},
|
2007-05-02 13:32:07 +00:00
|
|
|
{CTDB_REQ_FINISHED, "CTDB_REQ_FINISHED"},
|
|
|
|
{CTDB_REQ_CONTROL, "CTDB_REQ_CONTROL"},
|
|
|
|
{CTDB_REPLY_CONTROL, "CTDB_REPLY_CONTROL"},
|
2007-04-06 04:27:59 +00:00
|
|
|
{0,NULL}
|
|
|
|
};
|
|
|
|
|
|
|
|
|
2007-05-02 13:32:07 +00:00
|
|
|
#define CTDB_CONTROL_PROCESS_EXISTS 0
|
|
|
|
#define CTDB_CONTROL_STATUS 1
|
|
|
|
#define CTDB_CONTROL_CONFIG 2
|
|
|
|
#define CTDB_CONTROL_PING 3
|
|
|
|
#define CTDB_CONTROL_GETDBPATH 4
|
|
|
|
#define CTDB_CONTROL_GETVNNMAP 5
|
|
|
|
#define CTDB_CONTROL_SETVNNMAP 6
|
|
|
|
#define CTDB_CONTROL_GET_DEBUG 7
|
|
|
|
#define CTDB_CONTROL_SET_DEBUG 8
|
|
|
|
#define CTDB_CONTROL_GET_DBMAP 9
|
|
|
|
#define CTDB_CONTROL_GET_NODEMAP 10
|
|
|
|
#define CTDB_CONTROL_SET_DMASTER 11
|
|
|
|
#define CTDB_CONTROL_CLEAR_DB 12
|
|
|
|
#define CTDB_CONTROL_PULL_DB 13
|
|
|
|
#define CTDB_CONTROL_PUSH_DB 14
|
|
|
|
#define CTDB_CONTROL_GET_RECMODE 15
|
|
|
|
#define CTDB_CONTROL_SET_RECMODE 16
|
|
|
|
#define CTDB_CONTROL_STATUS_RESET 17
|
|
|
|
#define CTDB_CONTROL_DB_ATTACH 18
|
|
|
|
#define CTDB_CONTROL_SET_CALL 19
|
|
|
|
#define CTDB_CONTROL_WRITE_RECORD 20
|
|
|
|
static const value_string ctrl_opcode_vals[] = {
|
|
|
|
{CTDB_CONTROL_PROCESS_EXISTS,"CTDB_CONTROL_PROCESS_EXISTS"},
|
|
|
|
{CTDB_CONTROL_STATUS, "CTDB_CONTROL_STATUS"},
|
|
|
|
{CTDB_CONTROL_CONFIG, "CTDB_CONTROL_CONFIG"},
|
|
|
|
{CTDB_CONTROL_PING, "CTDB_CONTROL_PING"},
|
|
|
|
{CTDB_CONTROL_GETDBPATH, "CTDB_CONTROL_GETDBPATH"},
|
|
|
|
{CTDB_CONTROL_GETVNNMAP, "CTDB_CONTROL_GETVNNMAP"},
|
|
|
|
{CTDB_CONTROL_SETVNNMAP, "CTDB_CONTROL_SETVNNMAP"},
|
|
|
|
{CTDB_CONTROL_GET_DEBUG, "CTDB_CONTROL_GET_DEBUG"},
|
|
|
|
{CTDB_CONTROL_SET_DEBUG, "CTDB_CONTROL_SET_DEBUG"},
|
|
|
|
{CTDB_CONTROL_GET_DBMAP, "CTDB_CONTROL_GET_DBMAP"},
|
|
|
|
{CTDB_CONTROL_GET_NODEMAP, "CTDB_CONTROL_GET_NODEMAP"},
|
|
|
|
{CTDB_CONTROL_SET_DMASTER, "CTDB_CONTROL_SET_DMASTER"},
|
|
|
|
{CTDB_CONTROL_CLEAR_DB, "CTDB_CONTROL_CLEAR_DB"},
|
|
|
|
{CTDB_CONTROL_PULL_DB, "CTDB_CONTROL_PULL_DB"},
|
|
|
|
{CTDB_CONTROL_PUSH_DB, "CTDB_CONTROL_PUSH_DB"},
|
|
|
|
{CTDB_CONTROL_GET_RECMODE, "CTDB_CONTROL_GET_RECMODE"},
|
|
|
|
{CTDB_CONTROL_SET_RECMODE, "CTDB_CONTROL_SET_RECMODE"},
|
|
|
|
{CTDB_CONTROL_STATUS_RESET, "CTDB_CONTROL_STATUS_RESET"},
|
|
|
|
{CTDB_CONTROL_DB_ATTACH, "CTDB_CONTROL_DB_ATTACH"},
|
|
|
|
{CTDB_CONTROL_SET_CALL, "CTDB_CONTROL_SET_CALL"},
|
|
|
|
{CTDB_CONTROL_WRITE_RECORD, "CTDB_CONTROL_WRITE_RECORD"},
|
|
|
|
{0, NULL}
|
|
|
|
};
|
|
|
|
|
2007-04-23 09:44:13 +00:00
|
|
|
static void
|
|
|
|
ctdb_display_trans(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, ctdb_trans_t *ctdb_trans)
|
|
|
|
{
|
|
|
|
proto_item *item;
|
|
|
|
|
|
|
|
item=proto_tree_add_uint(tree, hf_ctdb_xid, tvb, 0, 0, (int)ctdb_trans);
|
|
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
|
|
|
|
|
|
if(ctdb_trans->request_in!=(gint32)pinfo->fd->num){
|
|
|
|
item=proto_tree_add_uint(tree, hf_ctdb_request_in, tvb, 0, 0, ctdb_trans->request_in);
|
|
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
|
|
}
|
|
|
|
|
|
|
|
if( (ctdb_trans->response_in!=-1)
|
|
|
|
&&(ctdb_trans->response_in!=(gint32)pinfo->fd->num) ){
|
|
|
|
item=proto_tree_add_uint(tree, hf_ctdb_response_in, tvb, 0, 0, ctdb_trans->response_in);
|
|
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
|
|
}
|
|
|
|
|
|
|
|
if((gint32)pinfo->fd->num==ctdb_trans->response_in){
|
|
|
|
nstime_t ns;
|
|
|
|
|
|
|
|
nstime_delta(&ns, &pinfo->fd->abs_ts, &ctdb_trans->req_time);
|
|
|
|
item=proto_tree_add_time(tree, hf_ctdb_time, tvb, 0, 0, &ns);
|
|
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static guint32
|
|
|
|
ctdb_hash(tvbuff_t *tvb, int offset, guint32 len)
|
|
|
|
{
|
|
|
|
guint32 value;
|
|
|
|
guint32 i;
|
|
|
|
|
|
|
|
for(value=0x238F13AF*len, i=0; i < len; i++)
|
|
|
|
value=(value+(tvb_get_guint8(tvb, offset+i) << (i*5 % 24)));
|
|
|
|
|
|
|
|
return (1103515243 * value + 12345);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
dissect_ctdb_key(proto_tree *tree, tvbuff_t *tvb, int offset, guint32 keylen, guint32 *key_hash, int endianess)
|
|
|
|
{
|
|
|
|
guint32 keyhash;
|
|
|
|
proto_item *key_item=NULL;
|
|
|
|
proto_item *key_tree=NULL;
|
|
|
|
|
|
|
|
if(tree){
|
|
|
|
key_item=proto_tree_add_item(tree, hf_ctdb_key, tvb, offset, keylen, endianess);
|
|
|
|
key_tree=proto_item_add_subtree(key_item, ett_ctdb_key);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
keyhash=ctdb_hash(tvb, offset, keylen);
|
|
|
|
proto_item_append_text(key_item, " (Hash:0x%08x)", keyhash);
|
|
|
|
key_item=proto_tree_add_uint(key_tree, hf_ctdb_keyhash, tvb, 0, 0, keyhash);
|
|
|
|
PROTO_ITEM_SET_GENERATED(key_item);
|
|
|
|
|
|
|
|
offset+=keylen;
|
|
|
|
|
|
|
|
if(key_hash){
|
|
|
|
*key_hash=keyhash;
|
|
|
|
}
|
|
|
|
|
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
|
2007-04-06 04:27:59 +00:00
|
|
|
static int
|
2007-04-06 05:02:41 +00:00
|
|
|
dissect_ctdb_reply_call(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int endianess)
|
2007-04-06 04:27:59 +00:00
|
|
|
{
|
2007-05-02 18:42:53 +00:00
|
|
|
guint32 datalen;
|
2007-05-02 13:32:07 +00:00
|
|
|
|
2007-04-06 04:27:59 +00:00
|
|
|
/* status */
|
2007-04-06 05:02:41 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_status, tvb, offset, 4, endianess);
|
2007-04-06 04:27:59 +00:00
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* datalen */
|
2007-04-06 05:02:41 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_datalen, tvb, offset, 4, endianess);
|
2007-05-02 13:32:07 +00:00
|
|
|
if(endianess){
|
|
|
|
datalen=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
datalen=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
2007-04-06 04:27:59 +00:00
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* data */
|
2007-05-02 13:32:07 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_data, tvb, offset, datalen, endianess);
|
|
|
|
offset+=datalen;
|
2007-04-06 04:27:59 +00:00
|
|
|
|
2007-05-02 13:32:07 +00:00
|
|
|
|
2007-04-06 04:27:59 +00:00
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
2007-04-23 09:44:13 +00:00
|
|
|
dissect_ctdb_reply_dmaster(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, guint32 reqid, guint32 dst, int endianess)
|
2007-04-06 04:27:59 +00:00
|
|
|
{
|
2007-05-02 13:32:07 +00:00
|
|
|
guint32 datalen, keylen;
|
2007-04-23 09:44:13 +00:00
|
|
|
emem_tree_key_t tkey[3];
|
|
|
|
ctdb_trans_t *ctdb_trans;
|
|
|
|
|
2007-05-02 13:32:07 +00:00
|
|
|
/* dbid */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_dbid, tvb, offset, 4, endianess);
|
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* rsn */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_rsn, tvb, offset, 8, endianess);
|
|
|
|
offset+=8;
|
|
|
|
|
|
|
|
/* keylen */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_keylen, tvb, offset, 4, endianess);
|
|
|
|
if(endianess){
|
|
|
|
keylen=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
keylen=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
|
|
|
offset+=4;
|
|
|
|
|
2007-04-06 04:27:59 +00:00
|
|
|
/* datalen */
|
2007-04-06 05:02:41 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_datalen, tvb, offset, 4, endianess);
|
2007-04-23 09:44:13 +00:00
|
|
|
if(endianess){
|
|
|
|
datalen=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
datalen=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
2007-04-06 04:27:59 +00:00
|
|
|
offset+=4;
|
|
|
|
|
2007-05-02 13:32:07 +00:00
|
|
|
/* key */
|
|
|
|
offset=dissect_ctdb_key(tree, tvb, offset, keylen, NULL, endianess);
|
|
|
|
|
2007-04-06 04:27:59 +00:00
|
|
|
/* data */
|
2007-04-23 09:44:13 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_data, tvb, offset, datalen, endianess);
|
|
|
|
offset+=datalen;
|
2007-04-06 04:27:59 +00:00
|
|
|
|
2007-04-23 09:44:13 +00:00
|
|
|
tkey[0].length=1;
|
|
|
|
tkey[0].key=&reqid;
|
|
|
|
tkey[1].length=1;
|
|
|
|
tkey[1].key=&dst;
|
|
|
|
tkey[2].length=0;
|
|
|
|
ctdb_trans=se_tree_lookup32_array(ctdb_transactions, &tkey[0]);
|
|
|
|
|
|
|
|
if(ctdb_trans){
|
|
|
|
ctdb_trans->response_in=pinfo->fd->num;
|
|
|
|
ctdb_display_trans(pinfo, tree, tvb, ctdb_trans);
|
|
|
|
}
|
|
|
|
|
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
dissect_ctdb_req_dmaster(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, guint32 reqid, int endianess)
|
|
|
|
{
|
|
|
|
guint32 keylen, datalen, dmaster;
|
|
|
|
emem_tree_key_t tkey[3];
|
|
|
|
ctdb_trans_t *ctdb_trans;
|
|
|
|
|
|
|
|
/* dbid */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_dbid, tvb, offset, 4, endianess);
|
|
|
|
offset+=4;
|
|
|
|
|
2007-05-02 13:32:07 +00:00
|
|
|
/* rsn */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_rsn, tvb, offset, 8, endianess);
|
|
|
|
offset+=8;
|
|
|
|
|
2007-04-23 09:44:13 +00:00
|
|
|
/* dmaster */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_dmaster, tvb, offset, 4, endianess);
|
|
|
|
if(endianess){
|
|
|
|
dmaster=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
dmaster=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
|
|
|
offset += 4;
|
|
|
|
|
|
|
|
/* keylen */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_keylen, tvb, offset, 4, endianess);
|
|
|
|
if(endianess){
|
|
|
|
keylen=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
keylen=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* datalen */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_datalen, tvb, offset, 4, endianess);
|
|
|
|
if(endianess){
|
|
|
|
datalen=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
datalen=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* key */
|
|
|
|
offset=dissect_ctdb_key(tree, tvb, offset, keylen, NULL, endianess);
|
|
|
|
|
|
|
|
/* data */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_data, tvb, offset, datalen, endianess);
|
|
|
|
offset+=datalen;
|
|
|
|
|
|
|
|
|
|
|
|
tkey[0].length=1;
|
|
|
|
tkey[0].key=&reqid;
|
|
|
|
tkey[1].length=1;
|
|
|
|
tkey[1].key=&dmaster;
|
|
|
|
tkey[2].length=0;
|
|
|
|
ctdb_trans=se_tree_lookup32_array(ctdb_transactions, &tkey[0]);
|
|
|
|
|
|
|
|
if(ctdb_trans){
|
|
|
|
ctdb_display_trans(pinfo, tree, tvb, ctdb_trans);
|
|
|
|
}
|
|
|
|
|
2007-04-06 04:27:59 +00:00
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
|
2007-05-02 13:32:07 +00:00
|
|
|
static int
|
|
|
|
dissect_ctdb_req_control(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, guint32 reqid _U_, int endianess)
|
|
|
|
{
|
2007-05-02 18:42:53 +00:00
|
|
|
guint32 datalen;
|
2007-05-02 13:32:07 +00:00
|
|
|
|
|
|
|
/* ctrl opcode */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_ctrl_opcode, tvb, offset, 4, endianess);
|
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* srvid */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_srvid, tvb, offset, 8, endianess);
|
|
|
|
offset+=8;
|
|
|
|
|
|
|
|
|
|
|
|
/* ctrl flags */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_ctrl_flags, tvb, offset, 4, endianess);
|
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* datalen */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_datalen, tvb, offset, 4, endianess);
|
|
|
|
if(endianess){
|
|
|
|
datalen=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
datalen=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* data */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_data, tvb, offset, datalen, endianess);
|
|
|
|
offset+=datalen;
|
|
|
|
|
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
|
2007-04-06 04:27:59 +00:00
|
|
|
static const true_false_string flags_immediate_tfs={
|
|
|
|
"DMASTER for the record must IMMEDIATELY be migrated to the caller",
|
|
|
|
"Dmaster migration is not required"
|
|
|
|
};
|
|
|
|
|
|
|
|
static int
|
2007-04-23 09:44:13 +00:00
|
|
|
dissect_ctdb_req_call(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint32 reqid, guint32 caller, int endianess)
|
2007-04-06 04:27:59 +00:00
|
|
|
{
|
2007-04-23 09:44:13 +00:00
|
|
|
guint32 flags, keyhash;
|
|
|
|
guint32 keylen, datalen;
|
|
|
|
ctdb_trans_t *ctdb_trans=NULL;
|
2007-04-06 04:27:59 +00:00
|
|
|
|
|
|
|
/* flags */
|
2007-04-06 05:02:41 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_flags_immediate, tvb, offset, 4, endianess);
|
|
|
|
if(endianess){
|
|
|
|
flags=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
flags=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
2007-04-06 04:27:59 +00:00
|
|
|
if(flags&0x00000001){
|
|
|
|
if(check_col(pinfo->cinfo, COL_INFO)){
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " IMMEDIATE");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* dbid */
|
2007-04-06 05:02:41 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_dbid, tvb, offset, 4, endianess);
|
2007-04-06 04:27:59 +00:00
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* callid */
|
2007-04-06 05:02:41 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_callid, tvb, offset, 4, endianess);
|
2007-04-06 04:27:59 +00:00
|
|
|
offset+=4;
|
|
|
|
|
2007-05-02 13:32:07 +00:00
|
|
|
/* hopcount */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_hopcount, tvb, offset, 4, endianess);
|
|
|
|
offset+=4;
|
|
|
|
|
2007-04-06 04:27:59 +00:00
|
|
|
/* keylen */
|
2007-04-23 09:44:13 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_keylen, tvb, offset, 4, endianess);
|
|
|
|
if(endianess){
|
|
|
|
keylen=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
keylen=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* datalen */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_datalen, tvb, offset, 4, endianess);
|
|
|
|
if(endianess){
|
|
|
|
datalen=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
datalen=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* key */
|
|
|
|
offset=dissect_ctdb_key(tree, tvb, offset, keylen, &keyhash, endianess);
|
|
|
|
|
2007-04-06 04:27:59 +00:00
|
|
|
/* data */
|
2007-04-23 09:44:13 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_data, tvb, offset, datalen, endianess);
|
|
|
|
offset+=datalen;
|
|
|
|
|
|
|
|
/* setup request/response matching */
|
|
|
|
if(!pinfo->fd->flags.visited){
|
|
|
|
emem_tree_key_t tkey[3];
|
|
|
|
|
|
|
|
ctdb_trans=se_alloc(sizeof(ctdb_trans_t));
|
|
|
|
ctdb_trans->key_hash=keyhash;
|
|
|
|
ctdb_trans->request_in=pinfo->fd->num;
|
|
|
|
ctdb_trans->response_in=-1;
|
|
|
|
ctdb_trans->req_time=pinfo->fd->abs_ts;
|
|
|
|
tkey[0].length=1;
|
|
|
|
tkey[0].key=&reqid;
|
|
|
|
tkey[1].length=1;
|
|
|
|
tkey[1].key=&caller;
|
|
|
|
tkey[2].length=0;
|
|
|
|
|
|
|
|
se_tree_insert32_array(ctdb_transactions, &tkey[0], ctdb_trans);
|
|
|
|
} else {
|
|
|
|
emem_tree_key_t tkey[3];
|
|
|
|
|
|
|
|
tkey[0].length=1;
|
|
|
|
tkey[0].key=&reqid;
|
|
|
|
tkey[1].length=1;
|
|
|
|
tkey[1].key=&caller;
|
|
|
|
tkey[2].length=0;
|
|
|
|
ctdb_trans=se_tree_lookup32_array(ctdb_transactions, &tkey[0]);
|
|
|
|
}
|
|
|
|
|
|
|
|
if(ctdb_trans){
|
|
|
|
ctdb_display_trans(pinfo, tree, tvb, ctdb_trans);
|
|
|
|
}
|
|
|
|
|
2007-04-06 04:27:59 +00:00
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
dissect_ctdb(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
|
|
|
|
{
|
|
|
|
proto_tree *tree=NULL;
|
|
|
|
proto_item *item=NULL;
|
|
|
|
int offset=0;
|
2007-04-23 09:44:13 +00:00
|
|
|
guint32 opcode, src, dst, reqid;
|
2007-04-06 05:02:41 +00:00
|
|
|
int endianess;
|
|
|
|
|
|
|
|
/* does this look like CTDB? */
|
|
|
|
if(tvb_length_remaining(tvb, offset)<8){
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
switch(tvb_get_letohl(tvb, offset+4)){
|
|
|
|
case 0x42445443:
|
|
|
|
endianess=FALSE;
|
|
|
|
break;
|
|
|
|
case 0x43544442:
|
|
|
|
endianess=TRUE;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
2007-04-06 04:27:59 +00:00
|
|
|
|
|
|
|
if(check_col(pinfo->cinfo, COL_PROTOCOL)){
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "CTDB");
|
|
|
|
}
|
|
|
|
if(check_col(pinfo->cinfo, COL_INFO)){
|
|
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
}
|
|
|
|
|
|
|
|
if(parent_tree){
|
|
|
|
item=proto_tree_add_item(parent_tree, proto_ctdb, tvb, offset,
|
2007-04-06 05:02:41 +00:00
|
|
|
-1, endianess);
|
2007-04-06 04:27:59 +00:00
|
|
|
tree=proto_item_add_subtree(item, ett_ctdb);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* header*/
|
|
|
|
/* length */
|
2007-04-06 05:02:41 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_length, tvb, offset, 4, endianess);
|
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* magic */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_magic, tvb, offset, 4, endianess);
|
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* version */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_version, tvb, offset, 4, endianess);
|
2007-04-06 04:27:59 +00:00
|
|
|
offset+=4;
|
|
|
|
|
2007-05-02 13:32:07 +00:00
|
|
|
/* generation */
|
|
|
|
proto_tree_add_item(tree, hf_ctdb_generation, tvb, offset, 4, endianess);
|
|
|
|
offset+=4;
|
|
|
|
|
2007-04-06 04:27:59 +00:00
|
|
|
/* opcode */
|
2007-04-06 05:02:41 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_opcode, tvb, offset, 4, endianess);
|
|
|
|
if(endianess){
|
|
|
|
opcode=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
opcode=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
2007-04-06 04:27:59 +00:00
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* dst */
|
2007-04-06 05:02:41 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_dst, tvb, offset, 4, endianess);
|
|
|
|
if(endianess){
|
|
|
|
dst=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
dst=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
2007-04-06 04:27:59 +00:00
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* src */
|
2007-04-06 05:02:41 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_src, tvb, offset, 4, endianess);
|
|
|
|
if(endianess){
|
|
|
|
src=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
src=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
2007-04-06 04:27:59 +00:00
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
/* id */
|
2007-04-06 05:02:41 +00:00
|
|
|
proto_tree_add_item(tree, hf_ctdb_id, tvb, offset, 4, endianess);
|
2007-04-23 09:44:13 +00:00
|
|
|
if(endianess){
|
|
|
|
reqid=tvb_get_letohl(tvb, offset);
|
|
|
|
} else {
|
|
|
|
reqid=tvb_get_ntohl(tvb, offset);
|
|
|
|
}
|
2007-04-06 04:27:59 +00:00
|
|
|
offset+=4;
|
|
|
|
|
|
|
|
if(check_col(pinfo->cinfo, COL_INFO)){
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "%s %d->%d",
|
|
|
|
val_to_str(opcode, ctdb_opcodes, "Unknown:%d"),
|
|
|
|
src, dst);
|
|
|
|
}
|
|
|
|
|
|
|
|
switch(opcode){
|
|
|
|
case CTDB_REQ_CALL:
|
2007-04-23 09:44:13 +00:00
|
|
|
offset=dissect_ctdb_req_call(tvb, offset, pinfo, tree, reqid, src, endianess);
|
2007-04-06 04:27:59 +00:00
|
|
|
break;
|
|
|
|
case CTDB_REPLY_CALL:
|
2007-04-06 05:02:41 +00:00
|
|
|
offset=dissect_ctdb_reply_call(tvb, offset, pinfo, tree, endianess);
|
2007-04-06 04:27:59 +00:00
|
|
|
break;
|
|
|
|
case CTDB_REPLY_DMASTER:
|
2007-04-23 09:44:13 +00:00
|
|
|
offset=dissect_ctdb_reply_dmaster(tvb, offset, pinfo, tree, reqid, dst, endianess);
|
2007-04-06 04:27:59 +00:00
|
|
|
break;
|
|
|
|
case CTDB_REQ_DMASTER:
|
2007-04-23 09:44:13 +00:00
|
|
|
offset=dissect_ctdb_req_dmaster(tvb, offset, pinfo, tree, reqid, endianess);
|
2007-04-06 04:27:59 +00:00
|
|
|
break;
|
|
|
|
case CTDB_REPLY_ERROR:
|
|
|
|
break;
|
|
|
|
case CTDB_REQ_MESSAGE:
|
|
|
|
break;
|
2007-05-02 13:32:07 +00:00
|
|
|
case CTDB_REQ_FINISHED:
|
|
|
|
break;
|
|
|
|
case CTDB_REQ_CONTROL:
|
|
|
|
offset=dissect_ctdb_req_control(tvb, offset, pinfo, tree, reqid, endianess);
|
|
|
|
break;
|
|
|
|
case CTDB_REPLY_CONTROL:
|
|
|
|
break;
|
2007-04-06 04:27:59 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Register the protocol with Wireshark
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
proto_register_ctdb(void)
|
|
|
|
{
|
|
|
|
static hf_register_info hf[] = {
|
|
|
|
{ &hf_ctdb_length, {
|
|
|
|
"Length", "ctdb.len", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x0, "Size of CTDB PDU", HFILL }},
|
|
|
|
{ &hf_ctdb_dst, {
|
|
|
|
"Destination", "ctdb.dst", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_src, {
|
|
|
|
"Source", "ctdb.src", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_id, {
|
|
|
|
"Id", "ctdb.id", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x0, "Transaction ID", HFILL }},
|
|
|
|
{ &hf_ctdb_opcode, {
|
|
|
|
"Opcode", "ctdb.opcode", FT_UINT32, BASE_DEC,
|
|
|
|
VALS(ctdb_opcodes), 0x0, "CTDB command opcode", HFILL }},
|
|
|
|
{ &hf_ctdb_flags_immediate, {
|
|
|
|
"Immediate", "ctdb.immediate", FT_BOOLEAN, 32,
|
|
|
|
TFS(&flags_immediate_tfs), 0x00000001, "Force migration of DMASTER?", HFILL }},
|
|
|
|
{ &hf_ctdb_dbid, {
|
|
|
|
"DB Id", "ctdb.dbid", FT_UINT32, BASE_HEX,
|
|
|
|
NULL, 0x0, "Database ID", HFILL }},
|
|
|
|
{ &hf_ctdb_callid, {
|
|
|
|
"Call Id", "ctdb.callid", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x0, "Call ID", HFILL }},
|
|
|
|
{ &hf_ctdb_status, {
|
|
|
|
"Status", "ctdb.status", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_datalen, {
|
|
|
|
"Data Length", "ctdb.datalen", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
2007-04-23 09:44:13 +00:00
|
|
|
{ &hf_ctdb_keylen, {
|
|
|
|
"Key Length", "ctdb.keylen", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
2007-04-06 05:02:41 +00:00
|
|
|
{ &hf_ctdb_magic, {
|
|
|
|
"Magic", "ctdb.magic", FT_UINT32, BASE_HEX,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_version, {
|
|
|
|
"Version", "ctdb.version", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
2007-04-23 09:44:13 +00:00
|
|
|
{ &hf_ctdb_dmaster, {
|
|
|
|
"Dmaster", "ctdb.dmaster", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
2007-05-02 13:32:07 +00:00
|
|
|
{ &hf_ctdb_generation, {
|
|
|
|
"Generation", "ctdb.generation", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
2007-04-23 09:44:13 +00:00
|
|
|
{ &hf_ctdb_key, {
|
|
|
|
"Key", "ctdb.key", FT_BYTES, BASE_HEX,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_keyhash, {
|
|
|
|
"KeyHash", "ctdb.keyhash", FT_UINT32, BASE_HEX,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_data, {
|
|
|
|
"Data", "ctdb.data", FT_BYTES, BASE_HEX,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_request_in, {
|
|
|
|
"Request In", "ctdb.request_in", FT_FRAMENUM, BASE_NONE,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_response_in, {
|
|
|
|
"Response In", "ctdb.response_in", FT_FRAMENUM, BASE_NONE,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_time, {
|
|
|
|
"Time since request", "ctdb.time", FT_RELATIVE_TIME, BASE_NONE,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_xid, {
|
|
|
|
"xid", "ctdb.xid", FT_UINT32, BASE_HEX,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
2007-05-02 13:32:07 +00:00
|
|
|
{ &hf_ctdb_hopcount, {
|
|
|
|
"Hopcount", "ctdb.hopcount", FT_UINT32, BASE_DEC,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_rsn, {
|
|
|
|
"RSN", "ctdb.rsn", FT_UINT64, BASE_HEX,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_ctrl_opcode, {
|
|
|
|
"CTRL Opcode", "ctdb.ctrl_opcode", FT_UINT32, BASE_DEC,
|
|
|
|
VALS(ctrl_opcode_vals), 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_srvid, {
|
|
|
|
"SrvId", "ctdb.srvid", FT_UINT64, BASE_HEX,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
|
|
|
{ &hf_ctdb_ctrl_flags, {
|
|
|
|
"CTRL Flags", "ctdb.ctrl_flags", FT_UINT32, BASE_HEX,
|
|
|
|
NULL, 0x0, "", HFILL }},
|
2007-04-06 04:27:59 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/* Setup protocol subtree array */
|
|
|
|
static gint *ett[] = {
|
|
|
|
&ett_ctdb,
|
2007-04-23 09:44:13 +00:00
|
|
|
&ett_ctdb_key,
|
2007-04-06 04:27:59 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/* Register the protocol name and description */
|
|
|
|
proto_ctdb = proto_register_protocol("Cluster TDB", "CTDB", "ctdb");
|
|
|
|
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
|
|
proto_register_field_array(proto_ctdb, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
proto_reg_handoff_ctdb(void)
|
|
|
|
{
|
|
|
|
dissector_handle_t ctdb_handle;
|
|
|
|
|
|
|
|
ctdb_handle = new_create_dissector_handle(dissect_ctdb, proto_ctdb);
|
|
|
|
dissector_add_handle("tcp.port", ctdb_handle);
|
2007-04-06 05:02:41 +00:00
|
|
|
|
|
|
|
heur_dissector_add("tcp", dissect_ctdb, proto_ctdb);
|
2007-04-23 09:44:13 +00:00
|
|
|
|
|
|
|
ctdb_transactions=se_tree_create(EMEM_TREE_TYPE_RED_BLACK, "CTDB transactions tree");
|
2007-04-06 04:27:59 +00:00
|
|
|
}
|