nexmon – Rev 1
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/* packet-ctdb.c
* Routines for CTDB (Cluster TDB) dissection
* Copyright 2007, Ronnie Sahlberg
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/exceptions.h>
#include <epan/expert.h>
void proto_register_ctdb(void);
void proto_reg_handoff_ctdb(void);
/* Initialize the protocol and registered fields */
static int proto_ctdb = -1;
static int hf_ctdb_length = -1;
static int hf_ctdb_opcode = -1;
static int hf_ctdb_magic = -1;
static int hf_ctdb_version = -1;
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;
static int hf_ctdb_keylen = -1;
static int hf_ctdb_datalen = -1;
static int hf_ctdb_errorlen = -1;
static int hf_ctdb_key = -1;
static int hf_ctdb_keyhash = -1;
static int hf_ctdb_data = -1;
static int hf_ctdb_error = -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_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_clientid = -1;
static int hf_ctdb_ctrl_flags = -1;
static int hf_ctdb_recmaster = -1;
static int hf_ctdb_recmode = -1;
static int hf_ctdb_num_nodes = -1;
static int hf_ctdb_vnn = -1;
static int hf_ctdb_node_flags = -1;
static int hf_ctdb_node_ip = -1;
static int hf_ctdb_pid = -1;
static int hf_ctdb_process_exists = -1;
/* Initialize the subtree pointers */
static gint ett_ctdb = -1;
static gint ett_ctdb_key = -1;
static expert_field ei_ctdb_too_many_nodes = EI_INIT;
/* this tree keeps track of caller/reqid for ctdb transactions */
static wmem_tree_t *ctdb_transactions=NULL;
typedef struct _ctdb_trans_t {
guint32 key_hash;
guint32 request_in;
guint32 response_in;
nstime_t req_time;
} ctdb_trans_t;
/* this tree keeps track of CONTROL request/responses */
static wmem_tree_t *ctdb_controls=NULL;
typedef struct _ctdb_control_t {
guint32 opcode;
guint32 request_in;
guint32 response_in;
nstime_t req_time;
} ctdb_control_t;
#define CTDB_REQ_CALL 0
#define CTDB_REPLY_CALL 1
#define CTDB_REQ_DMASTER 2
#define CTDB_REPLY_DMASTER 3
#define CTDB_REPLY_ERROR 4
#define CTDB_REQ_MESSAGE 5
#define CTDB_REQ_CONTROL 7
#define CTDB_REPLY_CONTROL 8
#define CTDB_REQ_KEEPALIVE 9
static const value_string ctdb_opcodes[] = {
{CTDB_REQ_CALL, "REQ_CALL"},
{CTDB_REPLY_CALL, "REPLY_CALL"},
{CTDB_REQ_DMASTER, "REQ_DMASTER"},
{CTDB_REPLY_DMASTER, "REPLY_DMASTER"},
{CTDB_REPLY_ERROR, "REPLY_ERROR"},
{CTDB_REQ_MESSAGE, "REQ_MESSAGE"},
{CTDB_REQ_CONTROL, "REQ_CONTROL"},
{CTDB_REPLY_CONTROL, "REPLY_CONTROL"},
{CTDB_REQ_KEEPALIVE, "REQ_KEEPALIVE"},
{0,NULL}
};
#define CTDB_CONTROL_PROCESS_EXISTS 0
#define CTDB_CONTROL_STATISTICS 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_STATISTICS_RESET 17
#define CTDB_CONTROL_DB_ATTACH 18
#define CTDB_CONTROL_SET_CALL 19
#define CTDB_CONTROL_TRAVERSE_START 20
#define CTDB_CONTROL_TRAVERSE_ALL 21
#define CTDB_CONTROL_TRAVERSE_DATA 22
#define CTDB_CONTROL_REGISTER_SRVID 23
#define CTDB_CONTROL_DEREGISTER_SRVID 24
#define CTDB_CONTROL_GET_DBNAME 25
#define CTDB_CONTROL_ENABLE_SEQNUM 26
#define CTDB_CONTROL_UPDATE_SEQNUM 27
#define CTDB_CONTROL_SET_SEQNUM_FREQUENCY 28
#define CTDB_CONTROL_DUMP_MEMORY 29
#define CTDB_CONTROL_GET_PID 30
#define CTDB_CONTROL_GET_RECMASTER 31
#define CTDB_CONTROL_SET_RECMASTER 32
#define CTDB_CONTROL_FREEZE 33
#define CTDB_CONTROL_THAW 34
#define CTDB_CONTROL_GET_VNN 35
#define CTDB_CONTROL_SHUTDOWN 36
#define CTDB_CONTROL_GET_MONMODE 37
#define CTDB_CONTROL_SET_MONMODE 38
#define CTDB_CONTROL_MAX_RSN 39
#define CTDB_CONTROL_SET_RSN_NONEMPTY 40
#define CTDB_CONTROL_DELETE_LOW_RSN 41
#define CTDB_CONTROL_TAKEOVER_IP 42
#define CTDB_CONTROL_RELEASE_IP 43
#define CTDB_CONTROL_TCP_CLIENT 44
#define CTDB_CONTROL_TCP_ADD 45
#define CTDB_CONTROL_TCP_REMOVE 46
#define CTDB_CONTROL_STARTUP 47
#define CTDB_CONTROL_SET_TUNABLE 48
#define CTDB_CONTROL_GET_TUNABLE 49
#define CTDB_CONTROL_LIST_TUNABLES 50
#define CTDB_CONTROL_GET_PUBLIC_IPS 51
#define CTDB_CONTROL_MODIFY_FLAGS 52
#define CTDB_CONTROL_GET_ALL_TUNABLES 53
#define CTDB_CONTROL_KILL_TCP 54
#define CTDB_CONTROL_GET_TCP_TICKLE_LIST 55
#define CTDB_CONTROL_SET_TCP_TICKLE_LIST 56
#define CTDB_CONTROL_REGISTER_SERVER_ID 57
#define CTDB_CONTROL_UNREGISTER_SERVER_ID 58
#define CTDB_CONTROL_CHECK_SERVER_ID 59
#define CTDB_CONTROL_GET_SERVER_ID_LIST 60
#define CTDB_CONTROL_DB_ATTACH_PERSISTENT 61
#define CTDB_CONTROL_PERSISTENT_STORE 62
#define CTDB_CONTROL_UPDATE_RECORD 63
static const value_string ctrl_opcode_vals[] = {
{CTDB_CONTROL_PROCESS_EXISTS, "PROCESS_EXISTS"},
{CTDB_CONTROL_STATISTICS, "STATISTICS"},
{CTDB_CONTROL_CONFIG, "CONFIG"},
{CTDB_CONTROL_PING, "PING"},
{CTDB_CONTROL_GETDBPATH, "GETDBPATH"},
{CTDB_CONTROL_GETVNNMAP, "GETVNNMAP"},
{CTDB_CONTROL_SETVNNMAP, "SETVNNMAP"},
{CTDB_CONTROL_GET_DEBUG, "GET_DEBUG"},
{CTDB_CONTROL_SET_DEBUG, "SET_DEBUG"},
{CTDB_CONTROL_GET_DBMAP, "GET_DBMAP"},
{CTDB_CONTROL_GET_NODEMAP, "GET_NODEMAP"},
{CTDB_CONTROL_SET_DMASTER, "SET_DMASTER"},
{CTDB_CONTROL_CLEAR_DB, "CLEAR_DB"},
{CTDB_CONTROL_PULL_DB, "PULL_DB"},
{CTDB_CONTROL_PUSH_DB, "PUSH_DB"},
{CTDB_CONTROL_GET_RECMODE, "GET_RECMODE"},
{CTDB_CONTROL_SET_RECMODE, "SET_RECMODE"},
{CTDB_CONTROL_STATISTICS_RESET, "STATISTICS_RESET"},
{CTDB_CONTROL_DB_ATTACH, "DB_ATTACH"},
{CTDB_CONTROL_SET_CALL, "SET_CALL"},
{CTDB_CONTROL_TRAVERSE_START, "TRAVERSE_START"},
{CTDB_CONTROL_TRAVERSE_ALL, "TRAVERSE_ALL"},
{CTDB_CONTROL_TRAVERSE_DATA, "TRAVERSE_DATA"},
{CTDB_CONTROL_REGISTER_SRVID, "REGISTER_SRVID"},
{CTDB_CONTROL_DEREGISTER_SRVID, "DEREGISTER_SRVID"},
{CTDB_CONTROL_GET_DBNAME, "GET_DBNAME"},
{CTDB_CONTROL_ENABLE_SEQNUM, "ENABLE_SEQNUM"},
{CTDB_CONTROL_UPDATE_SEQNUM, "UPDATE_SEQNUM"},
{CTDB_CONTROL_SET_SEQNUM_FREQUENCY, "SET_SEQNUM_FREQUENCY"},
{CTDB_CONTROL_DUMP_MEMORY, "DUMP_MEMORY"},
{CTDB_CONTROL_GET_PID, "GET_PID"},
{CTDB_CONTROL_GET_RECMASTER, "GET_RECMASTER"},
{CTDB_CONTROL_SET_RECMASTER, "SET_RECMASTER"},
{CTDB_CONTROL_FREEZE, "FREEZE"},
{CTDB_CONTROL_THAW, "THAW"},
{CTDB_CONTROL_GET_VNN, "GET_VNN"},
{CTDB_CONTROL_SHUTDOWN, "SHUTDOWN"},
{CTDB_CONTROL_GET_MONMODE, "GET_MONMODE"},
{CTDB_CONTROL_SET_MONMODE, "SET_MONMODE"},
{CTDB_CONTROL_MAX_RSN, "MAX_RSN"},
{CTDB_CONTROL_SET_RSN_NONEMPTY, "SET_RSN_NONEMPTY"},
{CTDB_CONTROL_DELETE_LOW_RSN, "DELETE_LOW_RSN"},
{CTDB_CONTROL_TAKEOVER_IP, "TAKEOVER_IP"},
{CTDB_CONTROL_RELEASE_IP, "RELEASE_IP"},
{CTDB_CONTROL_TCP_CLIENT, "TCP_CLIENT"},
{CTDB_CONTROL_TCP_ADD, "TCP_ADD"},
{CTDB_CONTROL_TCP_REMOVE, "TCP_REMOVE"},
{CTDB_CONTROL_STARTUP, "STARTUP"},
{CTDB_CONTROL_SET_TUNABLE, "SET_TUNABLE"},
{CTDB_CONTROL_GET_TUNABLE, "GET_TUNABLE"},
{CTDB_CONTROL_LIST_TUNABLES, "LIST_TUNABLES"},
{CTDB_CONTROL_GET_PUBLIC_IPS, "GET_PUBLIC_IPS"},
{CTDB_CONTROL_MODIFY_FLAGS, "MODIFY_FLAGS"},
{CTDB_CONTROL_GET_ALL_TUNABLES, "GET_ALL_TUNABLES"},
{CTDB_CONTROL_KILL_TCP, "KILL_TCP"},
{CTDB_CONTROL_GET_TCP_TICKLE_LIST, "GET_TCP_TICKLE_LIST"},
{CTDB_CONTROL_SET_TCP_TICKLE_LIST, "SET_TCP_TICKLE_LIST"},
{CTDB_CONTROL_REGISTER_SERVER_ID, "REGISTER_SERVER_ID"},
{CTDB_CONTROL_UNREGISTER_SERVER_ID, "UNREGISTER_SERVER_ID"},
{CTDB_CONTROL_CHECK_SERVER_ID, "CHECK_SERVER_ID"},
{CTDB_CONTROL_GET_SERVER_ID_LIST, "GET_SERVER_ID_LIST"},
{CTDB_CONTROL_DB_ATTACH_PERSISTENT, "DB_ATTACH_PERSISTENT"},
{CTDB_CONTROL_PERSISTENT_STORE, "PERSISTENT_STORE"},
{CTDB_CONTROL_UPDATE_RECORD, "UPDATE_RECORD"},
{0, NULL}
};
static int dissect_control_get_recmaster_reply(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset, guint32 status, int endianess _U_)
{
proto_tree_add_uint(tree, hf_ctdb_recmaster, tvb, 0, 0, status);
col_append_fstr(pinfo->cinfo, COL_INFO, " RecMaster:%d", status);
return offset;
}
static const value_string recmode_vals[] = {
{0, "NORMAL"},
{1, "RECOVERY ACTIVE"},
{0, NULL}
};
static int dissect_control_get_recmode_reply(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset, guint32 status, int endianess _U_)
{
proto_tree_add_uint(tree, hf_ctdb_recmode, tvb, 0, 0, status);
col_append_fstr(pinfo->cinfo, COL_INFO, " RecMode:%s",
val_to_str(status, recmode_vals, "Unknown:%d"));
return offset;
}
#define CTDB_MAX_NODES 500 /* Arbitrary. */
static int dissect_control_get_nodemap_reply(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset, guint32 status _U_, int endianess)
{
guint32 num_nodes;
proto_item *item;
/* num nodes */
item = proto_tree_add_item(tree, hf_ctdb_num_nodes, tvb, offset, 4, endianess);
if(endianess){
num_nodes=tvb_get_letohl(tvb, offset);
} else {
num_nodes=tvb_get_ntohl(tvb, offset);
}
offset+=4;
if (num_nodes > CTDB_MAX_NODES) {
expert_add_info_format(pinfo, item, &ei_ctdb_too_many_nodes, "Too many nodes (%u). Stopping dissection.", num_nodes);
return offset;
}
while(num_nodes--){
/* vnn */
proto_tree_add_item(tree, hf_ctdb_vnn, tvb, offset, 4, endianess);
offset+=4;
/* node flags */
proto_tree_add_item(tree, hf_ctdb_node_flags, tvb, offset, 4, endianess);
offset+=4;
/* here comes a sockaddr_in but we only store ipv4 addresses in it */
proto_tree_add_item(tree, hf_ctdb_node_ip, tvb, offset+4, 4, ENC_BIG_ENDIAN);
offset+=16;
}
return offset;
}
static int dissect_control_process_exist_request(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset, guint32 status _U_, int endianess)
{
guint32 pid;
/* pid */
proto_tree_add_item(tree, hf_ctdb_pid, tvb, offset, 4, endianess);
if(endianess){
pid=tvb_get_letohl(tvb, offset);
} else {
pid=tvb_get_ntohl(tvb, offset);
}
offset+=4;
col_append_fstr(pinfo->cinfo, COL_INFO, " pid:%d", pid);
return offset;
}
static const true_false_string process_exists_tfs = {
"Process does NOT exist",
"Process Exists"
};
static int dissect_control_process_exist_reply(packet_info *pinfo _U_, proto_tree *tree, tvbuff_t *tvb, int offset, guint32 status, int endianess _U_)
{
proto_tree_add_boolean(tree, hf_ctdb_process_exists, tvb, offset, 4, status);
return offset;
}
/* This defines the array of dissectors for request/reply controls */
typedef int (*control_dissector)(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset, guint32 status, int endianess);
typedef struct _control_dissector_array_t {
guint32 opcode;
control_dissector request_dissector;
control_dissector reply_dissector;
} control_dissector_array_t;
static control_dissector_array_t control_dissectors[] = {
{CTDB_CONTROL_GET_RECMASTER,
NULL,
dissect_control_get_recmaster_reply},
{CTDB_CONTROL_GET_RECMODE,
NULL,
dissect_control_get_recmode_reply},
{CTDB_CONTROL_GET_NODEMAP,
NULL,
dissect_control_get_nodemap_reply},
{CTDB_CONTROL_FREEZE,
NULL,
NULL},
{CTDB_CONTROL_THAW,
NULL,
NULL},
{CTDB_CONTROL_PROCESS_EXISTS,
dissect_control_process_exist_request,
dissect_control_process_exist_reply},
/*CTDB_CONTROL_STATISTICS*/
/*CTDB_CONTROL_CONFIG*/
/*CTDB_CONTROL_PING*/
/*CTDB_CONTROL_GETDBPATH*/
/*CTDB_CONTROL_GETVNNMAP*/
/*CTDB_CONTROL_SETVNNMAP*/
/*CTDB_CONTROL_GET_DEBUG*/
/*CTDB_CONTROL_SET_DEBUG*/
/*CTDB_CONTROL_GET_DBMAP*/
/*CTDB_CONTROL_SET_DMASTER*/
/*CTDB_CONTROL_CLEAR_DB*/
/*CTDB_CONTROL_PULL_DB*/
/*CTDB_CONTROL_PUSH_DB*/
/*CTDB_CONTROL_SET_RECMODE*/
/*CTDB_CONTROL_STATISTICS_RESET*/
/*CTDB_CONTROL_DB_ATTACH*/
/*CTDB_CONTROL_SET_CALL*/
/*CTDB_CONTROL_TRAVERSE_START*/
/*CTDB_CONTROL_TRAVERSE_ALL*/
/*CTDB_CONTROL_TRAVERSE_DATA*/
/*CTDB_CONTROL_REGISTER_SRVID*/
/*CTDB_CONTROL_DEREGISTER_SRVID*/
/*CTDB_CONTROL_GET_DBNAME*/
/*CTDB_CONTROL_ENABLE_SEQNUM*/
/*CTDB_CONTROL_UPDATE_SEQNUM*/
/*CTDB_CONTROL_SET_SEQNUM_FREQUENCY*/
/*CTDB_CONTROL_DUMP_MEMORY*/
/*CTDB_CONTROL_GET_PID*/
/*CTDB_CONTROL_SET_RECMASTER*/
/*CTDB_CONTROL_GET_VNN*/
/*CTDB_CONTROL_SHUTDOWN*/
/*CTDB_CONTROL_GET_MONMODE*/
/*CTDB_CONTROL_SET_MONMODE*/
/*CTDB_CONTROL_MAX_RSN*/
/*CTDB_CONTROL_SET_RSN_NONEMPTY*/
/*CTDB_CONTROL_DELETE_LOW_RSN*/
/*CTDB_CONTROL_TAKEOVER_IP*/
/*CTDB_CONTROL_RELEASE_IP*/
/*CTDB_CONTROL_TCP_CLIENT*/
/*CTDB_CONTROL_TCP_ADD*/
/*CTDB_CONTROL_TCP_REMOVE*/
/*CTDB_CONTROL_STARTUP*/
/*CTDB_CONTROL_SET_TUNABLE*/
/*CTDB_CONTROL_GET_TUNABLE*/
/*CTDB_CONTROL_LIST_TUNABLES*/
/*CTDB_CONTROL_GET_PUBLIC_IPS*/
/*CTDB_CONTROL_MODIFY_FLAGS*/
/*CTDB_CONTROL_GET_ALL_TUNABLES*/
/*CTDB_CONTROL_KILL_TCP*/
/*CTDB_CONTROL_GET_TCP_TICKLE_LIST*/
/*CTDB_CONTROL_SET_TCP_TICKLE_LIST*/
{0, NULL, NULL}
};
static control_dissector find_control_dissector(guint32 opcode, gboolean is_request)
{
control_dissector_array_t *cd=control_dissectors;
while(cd){
if((!cd->opcode)&&(!cd->request_dissector)&&(!cd->reply_dissector)){
break;
}
if(opcode==cd->opcode){
if(is_request){
return cd->request_dissector;
} else {
return cd->reply_dissector;
}
}
cd++;
}
return NULL;
}
static const value_string ctdb_dbid_vals[] = {
{0x435d3410, "notify.tdb"},
{0x42fe72c5, "locking.tdb"},
{0x1421fb78, "brlock.tdb"},
{0x17055d90, "connections.tdb"},
{0xc0bdde6a, "sessionid.tdb"},
{0, NULL}
};
static void
ctdb_display_trans(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, ctdb_trans_t *ctdb_trans)
{
proto_item *item;
if(ctdb_trans->request_in!=pinfo->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!=0)
&&(ctdb_trans->response_in!=pinfo->num) ){
item=proto_tree_add_uint(tree, hf_ctdb_response_in, tvb, 0, 0, ctdb_trans->response_in);
PROTO_ITEM_SET_GENERATED(item);
}
if(pinfo->num==ctdb_trans->response_in){
nstime_t ns;
nstime_delta(&ns, &pinfo->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 void
ctdb_display_control(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, ctdb_control_t *ctdb_control)
{
proto_item *item;
if(ctdb_control->request_in!=pinfo->num){
item=proto_tree_add_uint(tree, hf_ctdb_request_in, tvb, 0, 0, ctdb_control->request_in);
PROTO_ITEM_SET_GENERATED(item);
}
if( (ctdb_control->response_in!=0)
&&(ctdb_control->response_in!=pinfo->num) ){
item=proto_tree_add_uint(tree, hf_ctdb_response_in, tvb, 0, 0, ctdb_control->response_in);
PROTO_ITEM_SET_GENERATED(item);
}
if(pinfo->num==ctdb_control->response_in){
nstime_t ns;
nstime_delta(&ns, &pinfo->abs_ts, &ctdb_control->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;
}
static int
dissect_ctdb_reply_call(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int endianess)
{
guint32 datalen;
/* status */
proto_tree_add_item(tree, hf_ctdb_status, 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;
}
static int
dissect_ctdb_reply_dmaster(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint32 reqid, guint32 dst, int endianess)
{
guint32 datalen, keylen;
wmem_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;
/* rsn */
offset=(offset+7)&0xfffff8; /* fixup alignment*/
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;
/* 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=&dst;
tkey[2].length=0;
ctdb_trans=(ctdb_trans_t *)wmem_tree_lookup32_array(ctdb_transactions, &tkey[0]);
if(ctdb_trans){
ctdb_trans->response_in=pinfo->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, proto_tree *tree, guint32 reqid, int endianess)
{
guint32 keylen, datalen, dmaster;
wmem_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;
/* rsn */
offset=(offset+7)&0xfffff8; /* fixup alignment*/
proto_tree_add_item(tree, hf_ctdb_rsn, tvb, offset, 8, endianess);
offset+=8;
/* 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=(ctdb_trans_t *)wmem_tree_lookup32_array(ctdb_transactions, &tkey[0]);
if(ctdb_trans){
ctdb_display_trans(pinfo, tree, tvb, ctdb_trans);
}
return offset;
}
static int
dissect_ctdb_req_control(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint32 reqid, guint32 src, guint32 dst, int endianess)
{
guint32 datalen;
guint32 opcode;
ctdb_control_t *ctdb_control;
control_dissector cd;
int data_offset;
/* ctrl opcode */
proto_tree_add_item(tree, hf_ctdb_ctrl_opcode, tvb, offset, 4, endianess);
if(endianess){
opcode=tvb_get_letohl(tvb, offset);
} else {
opcode=tvb_get_ntohl(tvb, offset);
}
offset+=4;
col_add_fstr(pinfo->cinfo, COL_INFO, "%s Request %d->%d",
val_to_str(opcode, ctrl_opcode_vals, "Unknown:%d"),
src, dst);
/* srvid */
offset=(offset+7)&0xfffff8; /* fixup alignment*/
proto_tree_add_item(tree, hf_ctdb_srvid, tvb, offset, 8, endianess);
offset+=8;
/* client id */
proto_tree_add_item(tree, hf_ctdb_clientid, tvb, offset, 4, endianess);
offset+=4;
/* 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 */
data_offset=offset;
if (datalen) {
proto_tree_add_item(tree, hf_ctdb_data, tvb, offset, datalen, endianess);
offset+=datalen;
}
/* setup request/response matching */
if(!pinfo->fd->flags.visited){
wmem_tree_key_t tkey[4];
ctdb_control=wmem_new(wmem_file_scope(), ctdb_control_t);
ctdb_control->opcode=opcode;
ctdb_control->request_in=pinfo->num;
ctdb_control->response_in=0;
ctdb_control->req_time=pinfo->abs_ts;
tkey[0].length=1;
tkey[0].key=&reqid;
tkey[1].length=1;
tkey[1].key=&src;
tkey[2].length=1;
tkey[2].key=&dst;
tkey[3].length=0;
wmem_tree_insert32_array(ctdb_controls, &tkey[0], ctdb_control);
} else {
wmem_tree_key_t tkey[4];
tkey[0].length=1;
tkey[0].key=&reqid;
tkey[1].length=1;
tkey[1].key=&src;
tkey[2].length=1;
tkey[2].key=&dst;
tkey[3].length=0;
ctdb_control=(ctdb_control_t *)wmem_tree_lookup32_array(ctdb_controls, &tkey[0]);
}
cd=find_control_dissector(ctdb_control->opcode, TRUE);
if (cd) {
cd(pinfo, tree, tvb, data_offset, 0, endianess);
}
ctdb_display_control(pinfo, tree, tvb, ctdb_control);
return offset;
}
static int
dissect_ctdb_reply_control(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint32 reqid, guint32 src, guint32 dst, int endianess)
{
ctdb_control_t *ctdb_control;
wmem_tree_key_t tkey[4];
proto_item *item;
guint32 datalen, errorlen, status;
int data_offset;
control_dissector cd;
tkey[0].length=1;
tkey[0].key=&reqid;
tkey[1].length=1;
tkey[1].key=&dst;
tkey[2].length=1;
tkey[2].key=&src;
tkey[3].length=0;
ctdb_control=(ctdb_control_t *)wmem_tree_lookup32_array(ctdb_controls, &tkey[0]);
if(!ctdb_control){
return offset;
}
if(!pinfo->fd->flags.visited){
ctdb_control->response_in = pinfo->num;
}
/* ctrl opcode */
item=proto_tree_add_uint(tree, hf_ctdb_ctrl_opcode, tvb, 0, 0, ctdb_control->opcode);
PROTO_ITEM_SET_GENERATED(item);
col_add_fstr(pinfo->cinfo, COL_INFO, "%s Reply %d->%d",
val_to_str(ctdb_control->opcode, ctrl_opcode_vals, "Unknown:%d"),
src, dst);
/* status */
proto_tree_add_item(tree, hf_ctdb_status, tvb, offset, 4, endianess);
if(endianess){
status=tvb_get_letohl(tvb, offset);
} else {
status=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;
/* errorlen */
proto_tree_add_item(tree, hf_ctdb_errorlen, tvb, offset, 4, endianess);
if(endianess){
errorlen=tvb_get_letohl(tvb, offset);
} else {
errorlen=tvb_get_ntohl(tvb, offset);
}
offset+=4;
/* data */
data_offset=offset;
if (datalen) {
proto_tree_add_item(tree, hf_ctdb_data, tvb, offset, datalen, endianess);
offset+=datalen;
}
/* error */
if (errorlen) {
proto_tree_add_item(tree, hf_ctdb_error, tvb, offset, errorlen, endianess);
offset+=errorlen;
}
cd=find_control_dissector(ctdb_control->opcode, FALSE);
if (cd) {
cd(pinfo, tree, tvb, data_offset, status, endianess);
}
ctdb_display_control(pinfo, tree, tvb, ctdb_control);
return offset;
}
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
dissect_ctdb_req_call(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint32 reqid, guint32 caller, int endianess)
{
guint32 flags, keyhash;
guint32 keylen, datalen;
ctdb_trans_t *ctdb_trans=NULL;
/* flags */
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);
}
if(flags&0x00000001){
col_append_str(pinfo->cinfo, COL_INFO, " IMMEDIATE");
}
offset+=4;
/* dbid */
proto_tree_add_item(tree, hf_ctdb_dbid, tvb, offset, 4, endianess);
offset+=4;
/* callid */
proto_tree_add_item(tree, hf_ctdb_callid, tvb, offset, 4, endianess);
offset+=4;
/* hopcount */
proto_tree_add_item(tree, hf_ctdb_hopcount, tvb, offset, 4, endianess);
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, &keyhash, endianess);
/* data */
proto_tree_add_item(tree, hf_ctdb_data, tvb, offset, datalen, endianess);
offset+=datalen;
/* setup request/response matching */
if(!pinfo->fd->flags.visited){
wmem_tree_key_t tkey[3];
ctdb_trans=wmem_new(wmem_file_scope(), ctdb_trans_t);
ctdb_trans->key_hash=keyhash;
ctdb_trans->request_in=pinfo->num;
ctdb_trans->response_in=0;
ctdb_trans->req_time=pinfo->abs_ts;
tkey[0].length=1;
tkey[0].key=&reqid;
tkey[1].length=1;
tkey[1].key=&caller;
tkey[2].length=0;
wmem_tree_insert32_array(ctdb_transactions, &tkey[0], ctdb_trans);
} else {
wmem_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=(ctdb_trans_t *)wmem_tree_lookup32_array(ctdb_transactions, &tkey[0]);
}
if(ctdb_trans){
ctdb_display_trans(pinfo, tree, tvb, ctdb_trans);
}
return offset;
}
static gboolean
dissect_ctdb(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data _U_)
{
proto_tree *tree=NULL;
proto_item *item=NULL;
int offset=0;
guint32 opcode, src, dst, reqid;
int endianess;
/* does this look like CTDB? */
if(tvb_captured_length(tvb)<8){
return FALSE;
}
switch(tvb_get_letohl(tvb, offset+4)){
case 0x42445443:
endianess=FALSE;
break;
case 0x43544442:
endianess=TRUE;
break;
default:
return FALSE;
}
col_set_str(pinfo->cinfo, COL_PROTOCOL, "CTDB");
col_clear(pinfo->cinfo, COL_INFO);
if(parent_tree){
item=proto_tree_add_item(parent_tree, proto_ctdb, tvb, offset,
-1, endianess);
tree=proto_item_add_subtree(item, ett_ctdb);
}
/* header*/
/* length */
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);
offset+=4;
/* generation */
proto_tree_add_item(tree, hf_ctdb_generation, tvb, offset, 4, endianess);
offset+=4;
/* opcode */
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);
}
offset+=4;
/* dst */
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);
}
offset+=4;
/* src */
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);
}
offset+=4;
/* id */
proto_tree_add_item(tree, hf_ctdb_id, tvb, offset, 4, endianess);
if(endianess){
reqid=tvb_get_letohl(tvb, offset);
} else {
reqid=tvb_get_ntohl(tvb, offset);
}
offset+=4;
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:
dissect_ctdb_req_call(tvb, offset, pinfo, tree, reqid, src, endianess);
break;
case CTDB_REPLY_CALL:
dissect_ctdb_reply_call(tvb, offset, pinfo, tree, endianess);
break;
case CTDB_REPLY_DMASTER:
dissect_ctdb_reply_dmaster(tvb, offset, pinfo, tree, reqid, dst, endianess);
break;
case CTDB_REQ_DMASTER:
dissect_ctdb_req_dmaster(tvb, offset, pinfo, tree, reqid, endianess);
break;
case CTDB_REPLY_ERROR:
break;
case CTDB_REQ_MESSAGE:
break;
case CTDB_REQ_CONTROL:
dissect_ctdb_req_control(tvb, offset, pinfo, tree, reqid, src, dst, endianess);
break;
case CTDB_REPLY_CONTROL:
dissect_ctdb_reply_control(tvb, offset, pinfo, tree, reqid, src, dst, endianess);
break;
};
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, NULL, HFILL }},
{ &hf_ctdb_src, {
"Source", "ctdb.src", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, 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,
VALS(ctdb_dbid_vals), 0x0, "Database ID", HFILL }},
{ &hf_ctdb_callid, {
"Call Id", "ctdb.callid", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_status, {
"Status", "ctdb.status", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_datalen, {
"Data Length", "ctdb.datalen", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_errorlen, {
"Error Length", "ctdb.errorlen", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_keylen, {
"Key Length", "ctdb.keylen", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_magic, {
"Magic", "ctdb.magic", FT_UINT32, BASE_HEX,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_version, {
"Version", "ctdb.version", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_dmaster, {
"Dmaster", "ctdb.dmaster", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_generation, {
"Generation", "ctdb.generation", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_key, {
"Key", "ctdb.key", FT_BYTES, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_keyhash, {
"KeyHash", "ctdb.keyhash", FT_UINT32, BASE_HEX,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_data, {
"Data", "ctdb.data", FT_BYTES, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_error, {
"Error", "ctdb.error", FT_BYTES, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_request_in, {
"Request In", "ctdb.request_in", FT_FRAMENUM, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_response_in, {
"Response In", "ctdb.response_in", FT_FRAMENUM, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_time, {
"Time since request", "ctdb.time", FT_RELATIVE_TIME, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_hopcount, {
"Hopcount", "ctdb.hopcount", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_rsn, {
"RSN", "ctdb.rsn", FT_UINT64, BASE_HEX,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_ctrl_opcode, {
"CTRL Opcode", "ctdb.ctrl_opcode", FT_UINT32, BASE_DEC,
VALS(ctrl_opcode_vals), 0x0, NULL, HFILL }},
{ &hf_ctdb_srvid, {
"SrvId", "ctdb.srvid", FT_UINT64, BASE_HEX,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_clientid, {
"ClientId", "ctdb.clientid", FT_UINT32, BASE_HEX,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_ctrl_flags, {
"CTRL Flags", "ctdb.ctrl_flags", FT_UINT32, BASE_HEX,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_recmaster, {
"Recovery Master", "ctdb.recmaster", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_recmode, {
"Recovery Mode", "ctdb.recmode", FT_UINT32, BASE_DEC,
VALS(recmode_vals), 0x0, NULL, HFILL }},
{ &hf_ctdb_num_nodes, {
"Num Nodes", "ctdb.num_nodes", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_vnn, {
"VNN", "ctdb.vnn", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_node_flags, {
"Node Flags", "ctdb.node_flags", FT_UINT32, BASE_HEX,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_node_ip, {
"Node IP", "ctdb.node_ip", FT_IPv4, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_pid, {
"PID", "ctdb.pid", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ctdb_process_exists, {
"Process Exists", "ctdb.process_exists", FT_BOOLEAN, 32,
TFS(&process_exists_tfs), 0x01, NULL, HFILL }},
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_ctdb,
&ett_ctdb_key,
};
static ei_register_info ei[] = {
{ &ei_ctdb_too_many_nodes, { "ctdb.too_many_nodes", PI_UNDECODED, PI_WARN, "Too many nodes", EXPFILL }},
};
expert_module_t* expert_ctdb;
/* 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));
expert_ctdb = expert_register_protocol(proto_ctdb);
expert_register_field_array(expert_ctdb, ei, array_length(ei));
ctdb_transactions = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
ctdb_controls = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
}
void
proto_reg_handoff_ctdb(void)
{
dissector_handle_t ctdb_handle;
ctdb_handle = create_dissector_handle(dissect_ctdb, proto_ctdb);
dissector_add_for_decode_as("tcp.port", ctdb_handle);
heur_dissector_add("tcp", dissect_ctdb, "Cluster TDB over TCP", "ctdb_tcp", proto_ctdb, HEURISTIC_ENABLE);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/