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dlg_db_handler.c
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dlg_db_handler.c
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/*
* Copyright (C) 2009-2014 OpenSIPS Solutions
* Copyright (C) 2007-2009 Voice System SRL
*
* This file is part of opensips, a free SIP server.
*
* opensips 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
*
* opensips 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
*
* History:
* --------
* 2007-05-10 initial version (ancuta)
* 2007-07-06 additional information saved in the database: cseq, contact,
* route set and socket_info for both caller and callee (ancuta)
* 2009-09-09 support for early dialogs added; proper handling of cseq
* while PRACK is used (bogdan)
*/
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include "../../dprint.h"
#include "../../ut.h"
#include "../../timer.h"
#include "../../db/db.h"
#include "../../db/db_insertq.h"
#include "../../str.h"
#include "../../socket_info.h"
#include "../../pt.h"
#include "dlg_hash.h"
#include "dlg_db_handler.h"
#include "dlg_cb.h"
#include "dlg_profile.h"
#include "dlg_replication.h"
str dlg_id_column = str_init(DLG_ID_COL);
str call_id_column = str_init(CALL_ID_COL);
str from_uri_column = str_init(FROM_URI_COL);
str from_tag_column = str_init(FROM_TAG_COL);
str to_uri_column = str_init(TO_URI_COL);
str to_tag_column = str_init(TO_TAG_COL);
str state_column = str_init(STATE_COL);
str start_time_column = str_init(START_TIME_COL);
str timeout_column = str_init(TIMEOUT_COL);
str to_cseq_column = str_init(TO_CSEQ_COL);
str from_cseq_column = str_init(FROM_CSEQ_COL);
str to_ping_cseq_column = str_init(TO_PING_CSEQ_COL);
str from_ping_cseq_column = str_init(FROM_PING_CSEQ_COL);
str to_route_column = str_init(TO_ROUTE_COL);
str from_route_column = str_init(FROM_ROUTE_COL);
str to_contact_column = str_init(TO_CONTACT_COL);
str from_contact_column = str_init(FROM_CONTACT_COL);
str to_sock_column = str_init(TO_SOCK_COL);
str from_sock_column = str_init(FROM_SOCK_COL);
str mangled_fu_column = str_init(MANGLED_FU_COL);
str mangled_tu_column = str_init(MANGLED_TU_COL);
str vars_column = str_init(VARS_COL);
str profiles_column = str_init(PROFILES_COL);
str sflags_column = str_init(SFLAGS_COL);
str mflags_column = str_init(MFLAGS_COL);
str flags_column = str_init(FLAGS_COL);
str dialog_table_name = str_init(DIALOG_TABLE_NAME);
int dlg_db_mode = DB_MODE_NONE;
static db_con_t* dialog_db_handle = 0; /* database connection handle */
static db_func_t dialog_dbf;
extern int active_dlgs_cnt;
extern int early_dlgs_cnt;
extern int dlg_bulk_del_no;
static inline void set_final_update_cols(db_val_t *, struct dlg_cell *, int);
#define SET_BIGINT_VALUE(_val, _bigint)\
do{\
VAL_BIGINT(_val) = _bigint;\
VAL_NULL(_val) = 0;\
}while(0);
#define SET_INT_VALUE(_val, _int)\
do{\
VAL_INT(_val) = _int;\
VAL_NULL(_val) = 0;\
}while(0);
#define SET_STR_VALUE(_val, _str)\
do{\
if ( (_str).len != 0) { \
VAL_STR((_val)).s = (_str).s;\
VAL_STR((_val)).len = (_str).len;\
VAL_NULL(_val) = 0;\
} else { \
VAL_STR((_val)).s = NULL;\
VAL_STR((_val)).len = 0;\
VAL_NULL(_val) = 1;\
}\
}while(0);
#define GET_STR_VALUE(_res, _values, _index, _not_null, _unref)\
do{\
if (VAL_NULL((_values)+ (_index))) { \
if (_not_null) {\
if (_unref) unref_dlg(dlg,1);\
goto next_dialog; \
} else { \
(_res).s = 0; \
(_res).len = 0; \
}\
} else { \
(_res).s = VAL_STR((_values)+ (_index)).s;\
(_res).len = strlen(VAL_STR((_values)+ (_index)).s);\
} \
}while(0);
static int load_dialog_info_from_db(int dlg_hash_size);
int dlg_connect_db(const str *db_url)
{
if (dialog_db_handle) {
LM_CRIT("BUG - db connection found already open\n");
return -1;
}
if ((dialog_db_handle = dialog_dbf.init(db_url)) == 0)
return -1;
return 0;
}
static int use_dialog_table(void)
{
if(!dialog_db_handle){
LM_ERR("invalid database handle\n");
return -1;
}
dialog_dbf.use_table(dialog_db_handle, &dialog_table_name);
return 0;
}
static int remove_all_dialogs_from_db(void)
{
if (use_dialog_table()!=0)
return -1;
if(dialog_dbf.delete(dialog_db_handle, NULL, NULL, NULL, 0) < 0) {
LM_ERR("failed to delete database information\n");
return -1;
}
return 0;
}
int init_dlg_db(const str *db_url, int dlg_hash_size , int db_update_period)
{
/* Find a database module */
if (db_bind_mod(db_url, &dialog_dbf) < 0){
LM_ERR("Unable to bind to a database driver\n");
return -1;
}
if (dlg_connect_db(db_url)!=0){
LM_ERR("unable to connect to the database\n");
return -1;
}
if(db_check_table_version(&dialog_dbf, dialog_db_handle,
&dialog_table_name, DLG_TABLE_VERSION) < 0) {
LM_ERR("error during table version check.\n");
return -1;
}
if (dlg_db_mode == DB_MODE_DELAYED) {
if (register_timer("dlg-dbupdate",dialog_update_db,
(void*)(unsigned long)1 /*do locking*/,
db_update_period, TIMER_FLAG_SKIP_ON_DELAY)<0 ) {
LM_ERR("failed to register update db\n");
return -1;
}
}
if( (load_dialog_info_from_db(dlg_hash_size) ) !=0 ){
LM_ERR("unable to load the dialog data\n");
return -1;
}
if (dlg_db_mode==DB_MODE_SHUTDOWN && remove_all_dialogs_from_db()!=0) {
LM_WARN("failed to properly remove all the dialogs form DB\n");
}
dialog_dbf.close(dialog_db_handle);
dialog_db_handle = 0;
return 0;
}
void destroy_dlg_db(void)
{
/* close the DB connection */
if (dialog_db_handle) {
dialog_dbf.close(dialog_db_handle);
dialog_db_handle = 0;
}
}
static int select_entire_dialog_table(db_res_t ** res, int *no_rows)
{
db_key_t query_cols[DIALOG_TABLE_TOTAL_COL_NO] = {
&dlg_id_column, &call_id_column, &from_uri_column,
&from_tag_column, &to_uri_column, &to_tag_column,
&start_time_column, &state_column, &timeout_column,
&from_cseq_column, &to_cseq_column, &from_route_column,
&to_route_column, &from_contact_column, &to_contact_column,
&from_sock_column, &to_sock_column, &vars_column,
&profiles_column, &sflags_column, &from_ping_cseq_column,
&to_ping_cseq_column,&flags_column, &mangled_fu_column,&mangled_tu_column,
&mflags_column};
if(use_dialog_table() != 0){
return -1;
}
/* select the whole tabel and all the columns */
if (DB_CAPABILITY(dialog_dbf, DB_CAP_FETCH)) {
if(dialog_dbf.query(dialog_db_handle,0,0,0,query_cols, 0,
DIALOG_TABLE_TOTAL_COL_NO, 0, 0) < 0) {
LM_ERR("Error while querying (fetch) database\n");
return -1;
}
*no_rows = estimate_available_rows( 4+255+128+64+128+64+64+64+11+11+4+4
+512+512+128+128+64+64+4+4+4+4096+512+4+4+4 ,DIALOG_TABLE_TOTAL_COL_NO );
if (*no_rows==0) *no_rows = 10;
if(dialog_dbf.fetch_result(dialog_db_handle,res,*no_rows)<0){
LM_ERR("fetching rows failed\n");
return -1;
}
} else {
if(dialog_dbf.query(dialog_db_handle,0,0,0,query_cols, 0,
DIALOG_TABLE_TOTAL_COL_NO, 0, res) < 0) {
LM_ERR("Error while querying database\n");
return -1;
}
}
return 0;
}
struct socket_info * create_socket_info(db_val_t * vals, int n){
struct socket_info * sock;
str host, p;
int port, proto;
/* socket name */
p.s = (VAL_STR(vals+n)).s;
p.len = strlen(p.s);
if (VAL_NULL(vals+n) || p.s==0 || p.s[0]==0){
sock = 0;
} else {
if (parse_phostport( p.s, p.len, &host.s, &host.len,
&port, &proto)!=0) {
LM_ERR("bad socket <%.*s>\n", p.len, p.s);
return 0;
}
sock = grep_sock_info( &host, (unsigned short)port, proto);
if (sock==0) {
LM_WARN("non-local socket <%.*s>...ignoring\n", p.len, p.s);
}
}
return sock;
}
static inline void strip_esc(str *s)
{
char *c = s->s;
int len = s->len;
for ( ; len > 0; len--, c++) {
if (*c == '\\' && len > 0 &&
(*(c+1)=='\\' || *(c+1)=='#' || *(c+1)=='|')) {
memmove(c, c + 1, len - 1);
s->len--;
len--;
}
}
}
static inline char* read_pair(char *b, char *end, str *name, str *val)
{
/* read name */
name->s = b;
while (b<end) {
if (*b=='|' || *b=='#')
break;
else if (*b == '\\')
b++;
b++;
}
if (b>=end) return NULL;
if (*b=='|') goto skip;
name->len = b - name->s;
if (name->len==0) goto skip;
strip_esc(name);
/*LM_DBG("-----read name <%.*s>(%d)\n",name->len,name->s,name->len);*/
/* read # */
b++;
/* read value */
val->s = b;
while (b<end) {
if (*b=='|' || *b=='#')
break;
else if (*b == '\\')
b++;
b++;
}
if (b>=end) return NULL;
if (*b=='#') goto skip;
val->len = b - val->s;
if (val->len==0) val->s = 0;
strip_esc(val);
/*LM_DBG("-----read value <%.*s>(%d)\n",val->len,val->s,val->len);*/
/* read | */
b++;
return b;
skip:
while(b<end && *b=='|' && *(b-1)!='\\') b++;
if (b!=end) b++;
return (b==end)?NULL:b;
}
/* The function is always considered to be lock-less ( safe )
* it's either called when dialog is not linked yes, or is under the dialog lock */
void read_dialog_vars(char *b, int l, struct dlg_cell *dlg)
{
str name, val;
char *end;
char *p;
end = b + l;
p = b;
do {
/* read a new pair from input string */
p = read_pair( p, end, &name, &val);
if (p==NULL) break;
if (val.len==0) continue;
LM_DBG("new var found <%.*s>=<%.*s>\n",name.len,name.s,val.len,val.s);
/* add the variable */
if (store_dlg_value_unsafe( dlg, &name, &val)!=0)
LM_ERR("failed to add val, skipping...\n");
} while(p!=end);
}
void read_dialog_profiles(char *b, int l, struct dlg_cell *dlg,int double_check,
char is_replicated)
{
struct dlg_profile_table *profile;
struct dlg_profile_link *it;
str name, val,double_check_name;
char *end;
char *p,*s,*e;
char bk;
unsigned repl_type;
end = b + l;
p = b;
do {
/* read a new pair from input string */
p = read_pair( p, end, &name, &val);
if (p==NULL) break;
LM_DBG("new profile found <%.*s>=<%.*s>\n",name.len,name.s,val.len,val.s);
if (double_check) {
LM_DBG("Double checking profile - if it exists we'll skip it \n");
repl_type = REPL_NONE;
/* check if this is a shared profile, and remove /s for manual
* matching */
double_check_name = name;
s = memchr(name.s, '/', name.len);
if (s) {
e = double_check_name.s + double_check_name.len;
double_check_name.len = s - double_check_name.s;
trim_spaces_lr( double_check_name );
/* skip spaces after p */
for (++s; *s == ' ' && s < e; s++);
if ( s < e && *s == 's')
repl_type = REPL_CACHEDB;
else if (s < e && *s == 'b')
repl_type = REPL_PROTOBIN;
}
for (it=dlg->profile_links;it;it=it->next) {
if (it->profile->repl_type == repl_type &&
it->profile->name.len == double_check_name.len &&
memcmp(it->profile->name.s,double_check_name.s,
double_check_name.len) == 0) {
LM_DBG("Profile is already linked into the dlg\n");
goto next;
}
}
}
/* add to the profile */
profile = search_dlg_profile( &name );
if (profile==NULL) {
LM_DBG("profile <%.*s> does not exist now, creating it\n",name.len,name.s);
/* create a new one */
bk = name.s[name.len];
name.s[name.len] = 0;
if (add_profile_definitions(name.s, (val.len && val.s)?1:0 ) != 0) {
LM_ERR("failed to add dialog profile <%.*s>\n", name.len, name.s);
name.s[name.len] = bk;
continue;
}
name.s[name.len] = bk;
/* double check the created profile */
profile = search_dlg_profile(&name);
if (profile == NULL) {
LM_CRIT("BUG - cannot find just added dialog profile <%.*s>\n", name.len, name.s);
continue;
}
}
if (set_dlg_profile( dlg, profile->has_value ? &val : NULL, profile,
is_replicated) < 0 )
LM_ERR("failed to add to profile, skipping....\n");
next:
;
} while(p!=end);
return;
}
int remove_ended_dlgs_from_db(void)
{
static db_ps_t my_ps = NULL;
db_val_t values[1];
db_key_t match_keys[1] = { &state_column};
if (use_dialog_table()!=0)
return -1;
VAL_TYPE(values) = DB_INT;
VAL_NULL(values) = 0;
VAL_INT(values) = DLG_STATE_DELETED ;
CON_PS_REFERENCE(dialog_db_handle) = &my_ps;
if(dialog_dbf.delete(dialog_db_handle, match_keys, 0, values, 1) < 0) {
LM_ERR("failed to delete database information\n");
return -1;
}
return 0;
}
static int load_dialog_info_from_db(int dlg_hash_size)
{
db_res_t * res;
db_val_t * values;
db_row_t * rows;
int i, nr_rows;
struct dlg_cell *dlg;
struct dlg_entry *d_entry;
str callid, from_uri, to_uri, from_tag, to_tag;
str cseq1,cseq2,contact1,contact2,rroute1,rroute2,mangled_fu,mangled_tu;
int no_rows = 10;
struct socket_info *caller_sock,*callee_sock;
int found_ended_dlgs=0;
unsigned int hash_entry,hash_id;
str tag_name;
int rc;
res = 0;
if((nr_rows = select_entire_dialog_table(&res,&no_rows)) < 0)
goto error;
nr_rows = RES_ROW_N(res);
do {
LM_DBG("loading information from database for %i dialogs\n", nr_rows);
rows = RES_ROWS(res);
/* for every row---dialog */
for(i=0; i<nr_rows; i++){
values = ROW_VALUES(rows + i);
if (VAL_NULL(values) || VAL_TYPE(values) != DB_BIGINT) {
LM_ERR("column %.*s cannot be null/has wrong type %d -> skipping\n",
dlg_id_column.len,dlg_id_column.s,VAL_TYPE(values));
continue;
}
hash_entry = (unsigned int )(VAL_BIGINT(values) >> 32);
hash_id = (unsigned int)(VAL_BIGINT(values) & 0x00000000ffffffff);
if (VAL_NULL(values+6) || VAL_NULL(values+7)) {
LM_ERR("columns %.*s or/and %.*s cannot be null -> skipping\n",
start_time_column.len, start_time_column.s,
state_column.len, state_column.s);
continue;
}
if ( VAL_INT(values+7) == DLG_STATE_DELETED ) {
LM_INFO("dialog already terminated -> skipping\n");
found_ended_dlgs=1;
continue;
}
caller_sock = create_socket_info(values, 15);
callee_sock = create_socket_info(values, 16);
if (caller_sock == NULL || callee_sock == NULL) {
LM_ERR("Dialog in DB doesn't match any listening sockets\n");
continue;
}
/*restore the dialog info*/
GET_STR_VALUE(callid, values, 1, 1, 0);
GET_STR_VALUE(from_tag, values, 3, 1, 0);
GET_STR_VALUE(to_tag, values, 5, 1, 0);
d_entry = &d_table->entries[hash_entry];
dlg_lock(d_table, d_entry);
if (get_dlg_unsafe(d_entry, &callid, &from_tag, &to_tag,
&dlg) == 0) {
dlg_unlock(d_table, d_entry);
LM_DBG("dialog already exists, skipping (ci: %.*s)\n",
callid.len, callid.s);
continue;
}
GET_STR_VALUE(from_uri, values, 2, 1, 0);
GET_STR_VALUE(to_uri, values, 4, 1, 0);
if((dlg=build_new_dlg(&callid, &from_uri, &to_uri, &from_tag))==0){
LM_ERR("failed to build new dialog\n");
goto error_unlock;
}
if(dlg->h_entry != hash_entry){
LM_ERR("inconsistent hash data in the dialog database: "
"you may have restarted opensips using a different "
"hash_size: please erase %.*s database and restart\n"
"dlg : %u, db : %u\n",
dialog_table_name.len, dialog_table_name.s,
dlg->h_entry,hash_entry);
shm_free(dlg);
goto error_unlock;
}
/* link the dialog */
link_dlg_unsafe(d_entry, dlg);
dlg->h_id = hash_id;
/* next_id follows the max value of all loaded ids */
if (d_table->entries[dlg->h_entry].next_id <= dlg->h_id)
d_table->entries[dlg->h_entry].next_id = dlg->h_id + 1;
GET_STR_VALUE(to_tag, values, 5, 1, 1);
dlg->start_ts = VAL_INT(values+6);
dlg->state = VAL_INT(values+7);
GET_STR_VALUE(cseq1, values, 9 , 1, 1);
GET_STR_VALUE(cseq2, values, 10 , 1, 1);
GET_STR_VALUE(rroute1, values, 11, 0, 0);
GET_STR_VALUE(rroute2, values, 12, 0, 0);
GET_STR_VALUE(contact1, values, 13, 0, 1);
GET_STR_VALUE(contact2, values, 14, 0, 1);
GET_STR_VALUE(mangled_fu, values, 23,0,1);
GET_STR_VALUE(mangled_tu, values, 24,0,1);
/* add the 2 legs */
if ( (dlg_update_leg_info(0, dlg, &from_tag, &rroute1, &contact1,
NULL, &cseq1, caller_sock,0,0,0,0)!=0) ||
(dlg_update_leg_info(1, dlg, &to_tag, &rroute2, &contact2,
NULL, &cseq2, callee_sock,&mangled_fu,&mangled_tu,0,0)!=0) ) {
LM_ERR("dlg_set_leg_info failed\n");
/* destroy the dialog */
unref_dlg_unsafe(dlg, 1, d_entry);
continue;
}
dlg->legs_no[DLG_LEG_200OK] = DLG_FIRST_CALLEE_LEG;
/* script variables */
if (!VAL_NULL(values+17)) {
if (VAL_TYPE(values+17) == DB_BLOB) {
read_dialog_vars( VAL_BLOB(values+17).s,
VAL_BLOB(values+17).len, dlg);
} else {
LM_ERR("non-blob variables column - cannot store dialog variables\n");
}
}
/* script flags */
if (!VAL_NULL(values+19)) {
dlg->user_flags = VAL_INT(values+19);
}
/* module flags */
if (!VAL_NULL(values+25)) {
dlg->mod_flags = VAL_INT(values+25);
}
/* dialog flags */
dlg->flags = VAL_INT(values+22);
if (dlg_db_mode==DB_MODE_SHUTDOWN)
dlg->flags |= DLG_FLAG_NEW;
/* mark this dialog as loaded from DB in order to drop it when
* syncing from cluster is finished */
dlg->flags |= DLG_FLAG_FROM_DB;
/* calculate timeout */
dlg->tl.timeout = (unsigned int)(VAL_INT(values+8));
if (dlg->tl.timeout<=(unsigned int)time(0))
dlg->tl.timeout = 0;
else
dlg->tl.timeout -= (unsigned int)time(0);
/* restore the timer values */
if (0 != insert_dlg_timer( &(dlg->tl), (int)dlg->tl.timeout )) {
LM_CRIT("Unable to insert dlg %p [%u:%u] "
"with clid '%.*s' and tags '%.*s' '%.*s'\n",
dlg, dlg->h_entry, dlg->h_id,
dlg->callid.len, dlg->callid.s,
dlg->legs[DLG_CALLER_LEG].tag.len,
dlg->legs[DLG_CALLER_LEG].tag.s,
dlg->legs[callee_idx(dlg)].tag.len,
ZSW(dlg->legs[callee_idx(dlg)].tag.s));
/* destroy the dialog */
unref_dlg_unsafe(dlg, 1, d_entry);
continue;
}
/* reference the dialog as kept in the timer list */
ref_dlg_unsafe(dlg, 1);
LM_DBG("current dialog timeout is %u\n", dlg->tl.timeout);
dlg->lifetime = 0;
dlg->legs[DLG_CALLER_LEG].last_gen_cseq =
(unsigned int)(VAL_INT(values+20));
dlg->legs[callee_idx(dlg)].last_gen_cseq =
(unsigned int)(VAL_INT(values+21));
dlg_unlock(d_table, d_entry);
/* profiles */
if (!VAL_NULL(values+18))
read_dialog_profiles( VAL_STR(values+18).s,
strlen(VAL_STR(values+18).s), dlg, 0, 0);
if (dlg->flags & DLG_FLAG_PING_CALLER || dlg->flags & DLG_FLAG_PING_CALLEE) {
if (0 != insert_ping_timer(dlg))
LM_CRIT("Unable to insert dlg %p into ping timer\n",dlg);
else {
/* reference dialog as kept in ping timer list */
ref_dlg_unsafe(dlg, 1);
}
}
if (dlg_has_reinvite_pinging(dlg)) {
/* re-populate Re-INVITE pinging fields */
if (restore_reinvite_pinging(dlg) != 0)
LM_ERR("failed to fetch some Re-INVITE pinging data\n");
else if (0 != insert_reinvite_ping_timer(dlg))
LM_CRIT("Unable to insert dlg %p into reinvite"
"ping timer\n", dlg);
else {
/* reference dialog as kept in reinvite ping timer list */
ref_dlg_unsafe(dlg, 1);
}
}
if ((rc = fetch_dlg_value(dlg, &shtag_dlg_val, &tag_name, 0)) == 0) {
if (shm_str_dup(&dlg->shtag, &tag_name) < 0)
LM_ERR("No more shm memory\n");
} else if (rc == -1)
LM_ERR("Failed to get dlg value for sharing tag\n");
if (dlg_db_mode == DB_MODE_DELAYED) {
/* to be later removed by timer */
ref_dlg_unsafe(dlg, 1);
}
if (dlg->state==DLG_STATE_CONFIRMED_NA ||
dlg->state==DLG_STATE_CONFIRMED) {
active_dlgs_cnt++;
} else if (dlg->state==DLG_STATE_EARLY) {
early_dlgs_cnt++;
}
run_load_callback_per_dlg(dlg);
next_dialog:;
}
/* any more data to be fetched ?*/
if (DB_CAPABILITY(dialog_dbf, DB_CAP_FETCH)) {
if (dialog_dbf.fetch_result( dialog_db_handle, &res,no_rows) < 0) {
LM_ERR("fetching more rows failed\n");
goto error;
}
nr_rows = RES_ROW_N(res);
} else {
nr_rows = 0;
}
}while (nr_rows>0);
dialog_dbf.free_result(dialog_db_handle, res);
if (found_ended_dlgs)
remove_ended_dlgs_from_db();
return 0;
error_unlock:
dlg_unlock(d_table, d_entry);
error:
dialog_dbf.free_result(dialog_db_handle, res);
if (found_ended_dlgs)
remove_ended_dlgs_from_db();
return -1;
}
static struct dlg_cell **dlg_del_holder=NULL;
static int dlg_del_curr_no=0;
static db_val_t *dlg_del_values=NULL;
static db_key_t *dlg_del_keys=NULL;
int dlg_timer_remove_from_db(struct dlg_cell *cell)
{
static db_ps_t my_ps = NULL;
int i;
/* here we are in the context of the dlg timer
* dialog d_entry is locked and we also have an extra ref
* that must be released when we attempt the delete */
if (dlg_del_holder == NULL) {
LM_DBG("First time dialog del is attempted\n");
/* allocate all needed structures */
dlg_del_holder = pkg_malloc(dlg_bulk_del_no *
sizeof(struct dlg_cell *));
if (!dlg_del_holder) {
LM_ERR("No more pkg for dlg delete holders\n");
return -1;
}
memset(dlg_del_holder,0,dlg_bulk_del_no*sizeof(struct dlg_cell *));
dlg_del_values = pkg_malloc(dlg_bulk_del_no *
sizeof(db_val_t));
if (!dlg_del_values) {
LM_ERR("No more pkg for dlg delete values\n");
pkg_free(dlg_del_holder);
return -1;
}
for (i=0;i<dlg_bulk_del_no;i++) {
VAL_TYPE(dlg_del_values+i) = DB_BIGINT;
VAL_NULL(dlg_del_values+i) = 0;
}
dlg_del_keys = pkg_malloc(dlg_bulk_del_no *
sizeof(db_key_t));
if (!dlg_del_keys) {
LM_ERR("No more pkg for dlg_delete keys\n");
pkg_free(dlg_del_holder);
pkg_free(dlg_del_values);
return -1;
}
for (i=0;i<dlg_bulk_del_no;i++)
dlg_del_keys[i] = &dlg_id_column;
}
/* store info in del holders */
VAL_BIGINT(dlg_del_values+dlg_del_curr_no) =
((long long)cell->h_entry << 32) | (cell->h_id);
dlg_del_holder[dlg_del_curr_no]=cell;
/* mark is as deleted so we don't care about it later
* in the timer */
cell->flags |= DLG_FLAG_DB_DELETED;
dlg_del_curr_no++;
if (dlg_del_curr_no == dlg_bulk_del_no) {
LM_DBG("triggering delete for %d dialogs\n",dlg_del_curr_no);
CON_PS_REFERENCE(dialog_db_handle) = &my_ps;
CON_USE_OR_OP(dialog_db_handle);
if(dialog_dbf.delete(dialog_db_handle, dlg_del_keys,
0, dlg_del_values, dlg_bulk_del_no) < 0)
LM_ERR("failed to delete bulk database information !!!\n");
/* from timer point of view, we are done with the dialogs */
for (i=0;i<dlg_bulk_del_no;i++) {
cell = dlg_del_holder[i];
unref_dlg_unsafe(cell,1,&(d_table->entries[cell->h_entry]));
}
dlg_del_curr_no = 0;
}
/* still not enough piled up dialogs - wait for more */
return 0;
}
int dlg_timer_flush_del(void)
{
struct dlg_cell *cell;
int i;
/* here we are in the context of the dlg timer
* we also have an extra ref
* that must be released when we attempt the delete */
if (dlg_del_curr_no > 0) {
CON_USE_OR_OP(dialog_db_handle);
if(dialog_dbf.delete(dialog_db_handle, dlg_del_keys,
0, dlg_del_values, dlg_del_curr_no) < 0)
LM_ERR("failed to delete bulk database information !!!\n");
/* from timer point of view, we are done with the dialogs */
for (i=0;i<dlg_del_curr_no;i++) {
cell = dlg_del_holder[i];
unref_dlg(cell,1);
}
dlg_del_curr_no = 0;
}
return 0;
}
int remove_dialog_from_db(struct dlg_cell * cell)
{
static db_ps_t my_ps = NULL;
db_val_t values[1];
db_key_t match_keys[1] = { &dlg_id_column };
/*if the dialog hasn 't been yet inserted in the database*/
LM_DBG("trying to remove a dialog, flags are %u\n", cell->flags);
if (cell->flags & DLG_FLAG_NEW)
return 0;
if (use_dialog_table()!=0)
return -1;
VAL_TYPE(values) = DB_BIGINT;
VAL_NULL(values) = 0;
VAL_BIGINT(values) = ((long long)cell->h_entry << 32) | (cell->h_id);
CON_PS_REFERENCE(dialog_db_handle) = &my_ps;
if(dialog_dbf.delete(dialog_db_handle, match_keys, 0, values, 1) < 0) {
LM_ERR("failed to delete database information\n");
return -1;
}
LM_DBG("callid was %.*s\n", cell->callid.len, cell->callid.s );
/* dialog saved */
run_dlg_callbacks(DLGCB_DB_SAVED, cell, 0, DLG_DIR_NONE, NULL, 1, 1);
return 0;
}
int update_dialog_timeout_info(struct dlg_cell * cell)
{
static db_ps_t my_ps_update = NULL;
struct dlg_entry entry;
db_val_t values[2];
db_key_t insert_keys[DIALOG_TABLE_TOTAL_COL_NO] = {
&dlg_id_column, &timeout_column};
if(use_dialog_table()!=0)
return -1;
if (!(cell->flags & DLG_FLAG_CHANGED))
return 0;
/* save only dialog's state and timeout */
VAL_TYPE(values) = DB_BIGINT;
VAL_TYPE(values+1) = DB_INT;
/* lock the entry */
entry = (d_table->entries)[cell->h_entry];
dlg_lock( d_table, &entry);
SET_BIGINT_VALUE(values, (((long long)cell->h_entry << 32) |
cell->h_id));
SET_INT_VALUE(values+1, (unsigned int)( (unsigned int)time(0) +
cell->tl.timeout - get_ticks()) );
CON_PS_REFERENCE(dialog_db_handle) = &my_ps_update;
if((dialog_dbf.update(dialog_db_handle, (insert_keys), 0,
(values), (insert_keys+1), (values+1), 1, 1)) !=0){
LM_ERR("could not update database timeout info\n");
goto error;
}
/* dialog saved */
run_dlg_callbacks( DLGCB_DB_SAVED, cell, 0, DLG_DIR_NONE, NULL, 1, 1);
cell->flags &= ~(DLG_FLAG_CHANGED);
dlg_unlock( d_table, &entry);
return 0;
error:
dlg_unlock( d_table, &entry);
return -1;
}
int update_dialog_dbinfo(struct dlg_cell * cell)
{
static db_ps_t my_ps_insert = NULL;
static db_ps_t my_ps_update = NULL;
static db_ps_t my_ps_update_vp = NULL;
struct dlg_entry entry;
db_val_t values[DIALOG_TABLE_TOTAL_COL_NO];
int callee_leg;
db_key_t insert_keys[DIALOG_TABLE_TOTAL_COL_NO] = {
&dlg_id_column, &call_id_column, &from_uri_column,
&from_tag_column, &to_uri_column, &to_tag_column,
&from_sock_column, &to_sock_column,
&start_time_column, &mangled_fu_column, &mangled_tu_column,
&state_column, &timeout_column,
&from_cseq_column, &to_cseq_column, &from_ping_cseq_column,
&to_ping_cseq_column,&flags_column,
&vars_column, &profiles_column, &sflags_column,
&mflags_column, &from_contact_column,
&to_contact_column, &from_route_column,&to_route_column};
if(use_dialog_table()!=0)
return -1;
callee_leg= callee_idx(cell);
if((cell->flags & DLG_FLAG_NEW) != 0){
/* save all the current dialogs information*/
VAL_TYPE(values) = DB_BIGINT;
VAL_TYPE(values+8) = VAL_TYPE(values+11) = VAL_TYPE(values+12) =
VAL_TYPE(values+15) =VAL_TYPE(values+16) = VAL_TYPE(values+17) =
VAL_TYPE(values+20) = VAL_TYPE(values+21) = DB_INT;
VAL_TYPE(values+1) = VAL_TYPE(values+2) = VAL_TYPE(values+3) =