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/*
* $Id$
*
* Cluster data structures
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2012 OpenLink Software
*
* This project 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; only version 2 of the License, dated June 1991.
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef _CLUSTER_H
#define _CLUSTER_H
#include "../Dk/Dkhash64.h"
typedef void cl_req_group_t;
typedef struct cl_listener_s
{
int32 cll_this_host;
int32 cll_master_host;
int32 cll_max_host; /* highest used host no */
} cl_listener_t;
extern cl_listener_t local_cll;
extern int64 cl_cum_messages;
extern int64 cl_cum_txn_messages;
extern int64 cl_cum_bytes;
extern int64 cl_cum_wait;
extern int64 cl_cum_wait_msec;
caddr_t cl_ddl (query_instance_t * qi, lock_trx_t * lt, caddr_t name, int type, caddr_t trig_table);
void cl_rdf_inf_init (client_connection_t * cli, caddr_t * err_ret);
/* action codes for ddl messages */
#define CLO_DDL_TABLE 1
#define CLO_DDL_PROC 2
#define CLO_DDL_CLUSTER 3
#define CLO_DDL_TYPE 4
#define CLO_DDL_TRIG 5
#define CLO_DDL_ATOMIC 6
#define CLO_DDL_ATOMIC_OVER 7
typedef struct cl_op_s
{
char clo_op;
int clo_seq_no; /* seq no in the clrg */
int clo_nth_param_row; /* no of the param row of the calling sql node */
mem_pool_t * clo_pool;
dk_set_t clo_clibs; /* the set of hosts serving this */
union {
struct {
struct itc_cluster_s * itcl;
} itcl;
} _;
} cl_op_t;
typedef struct itc_cluster_s
{
bitf_t itc_in_order:1;
bitf_t itcl_desc_order:1;
bitf_t itcl_return_pl:1;
short itcl_n_clibs;
int itcl_nth_set;
dbe_column_t ** itcl_out_cols;
dk_set_t itcl_out_slots;
query_frag_t * itcl_dfg_qf;
caddr_t * itcl_qst;
mem_pool_t * itcl_pool;
cl_op_t *** itcl_param_rows;
dk_set_t itcl_last;
} itc_cluster_t;
#define QFID_HOST(i) ((int)(((unsigned int64) (i)) >> 32))
#define CLST_REFRESH 0
#define CLST_SUMMARY 1
#define CLST_DETAILS 2
extern int32 cl_n_hosts;
extern int32 cl_max_hosts;
extern int32 cl_req_batch_size;
extern int32 cl_dfg_batch_bytes;
extern uint32 cl_send_high_water;
extern int32 cl_batches_per_rpc; /* no of rows to send before stopping to wait for a CL_MORE message */
extern int32 cl_res_buffer_bytes; /* no of bytes before sending to client */
extern long dbf_branch_transact_wait;
extern int32 cl_wait_query_delay;
typedef void cu_func_t;
#define CLO_ITCL 16 /* not a message. A container for a local itc_cluster_t */
#define DKS_TO_CLUSTER 1
#define DKS_QI_DATA(ses) (*((query_instance_t **)&(ses)->dks_object_temp))
#define DKS_CL_DATA(ses) NULL
void cl_ts_set_context (table_source_t * ts, itc_cluster_t * itcl, caddr_t * inst, int nth_set);
cl_op_t * clo_allocate (char op);
itc_cluster_t * itcl_allocate (lock_trx_t * lt, caddr_t * inst);
void cl_select_save_env (table_source_t * ts, itc_cluster_t * itcl, caddr_t * inst, cl_op_t * clo, int nth);
int clo_destroy (cl_op_t * clo);
cl_host_t * cl_name_to_host (char * name);
cu_func_t * cu_func (caddr_t name, int must_find);
caddr_t cl_id_to_iri (query_instance_t * qi, caddr_t id);
extern long dbf_cpt_rb;
#endif
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