void mod_destroy(void)
{
unsigned int i;
if (rl_htable.maps) {
for (i = 0; i < rl_htable.size; i++)
map_destroy(rl_htable.maps[i], 0);
shm_free(rl_htable.maps);
rl_htable.maps = 0;
rl_htable.size = 0;
}
if (rl_htable.locks) {
lock_set_destroy(rl_htable.locks);
lock_set_dealloc(rl_htable.locks);
rl_htable.locks = 0;
rl_htable.locks_no = 0;
}
if (rl_lock) {
lock_destroy(rl_lock);
lock_dealloc(rl_lock);
}
RL_SHM_FREE(rl_network_count);
RL_SHM_FREE(rl_network_load);
RL_SHM_FREE(rl_load_value);
RL_SHM_FREE(pid_kp);
RL_SHM_FREE(pid_ki);
RL_SHM_FREE(pid_kd);
RL_SHM_FREE(pid_setpoint);
RL_SHM_FREE(drop_rate);
RL_SHM_FREE(rl_feedback_limit);
if (db_url.s && db_url.len)
destroy_cachedb();
}
static void mod_destroy(void)
{
if (dlg_db_mode != DB_MODE_NONE) {
dialog_update_db(0, 0);
destroy_dlg_db();
}
/* no DB interaction from now on */
dlg_db_mode = DB_MODE_NONE;
destroy_dlg_table();
destroy_dlg_timer();
destroy_ping_timer();
destroy_dlg_callbacks( DLGCB_CREATED|DLGCB_LOADED );
destroy_dlg_handlers();
destroy_dlg_profiles();
destroy_cachedb(1);
}
static int mod_init(void)
{
unsigned int n;
LM_INFO("Dialog module - initializing\n");
if (timeout_spec.s)
timeout_spec.len = strlen(timeout_spec.s);
init_db_url( db_url , 1 /*can be null*/);
dlg_id_column.len = strlen(dlg_id_column.s);
call_id_column.len = strlen(call_id_column.s);
from_uri_column.len = strlen(from_uri_column.s);
from_tag_column.len = strlen(from_tag_column.s);
to_uri_column.len = strlen(to_uri_column.s);
to_tag_column.len = strlen(to_tag_column.s);
state_column.len = strlen(state_column.s);
start_time_column.len = strlen(start_time_column.s);
timeout_column.len = strlen(timeout_column.s);
to_cseq_column.len = strlen(to_cseq_column.s);
from_cseq_column.len = strlen(from_cseq_column.s);
to_route_column.len = strlen(to_route_column.s);
from_route_column.len = strlen(from_route_column.s);
to_contact_column.len = strlen(to_contact_column.s);
from_contact_column.len = strlen(from_contact_column.s);
to_sock_column.len = strlen(to_sock_column.s);
from_sock_column.len = strlen(from_sock_column.s);
profiles_column.len = strlen(profiles_column.s);
vars_column.len = strlen(vars_column.s);
sflags_column.len = strlen(sflags_column.s);
dialog_table_name.len = strlen(dialog_table_name.s);
/* param checkings */
if( log_profile_hash_size <= 0)
{
LM_ERR("invalid value for log_profile_hash_size:%d!!\n",
log_profile_hash_size);
return -1;
}
if (rr_param.s==0 || rr_param.s[0]==0) {
LM_ERR("empty rr_param!!\n");
return -1;
}
rr_param.len = strlen(rr_param.s);
if (rr_param.len>MAX_DLG_RR_PARAM_NAME) {
LM_ERR("rr_param too long (max=%d)!!\n", MAX_DLG_RR_PARAM_NAME);
return -1;
}
if (timeout_spec.s) {
if ( pv_parse_spec(&timeout_spec, &timeout_avp)==0
&& (timeout_avp.type!=PVT_AVP)){
LM_ERR("malformed or non AVP timeout "
"AVP definition in '%.*s'\n", timeout_spec.len,timeout_spec.s);
return -1;
}
}
if (default_timeout<=0) {
LM_ERR("0 default_timeout not accepted!!\n");
return -1;
}
if (ping_interval<=0) {
LM_ERR("Non-positive ping interval not accepted!!\n");
return -1;
}
/* update the len of the extra headers */
if (dlg_extra_hdrs.s)
dlg_extra_hdrs.len = strlen(dlg_extra_hdrs.s);
if (seq_match_mode!=SEQ_MATCH_NO_ID &&
seq_match_mode!=SEQ_MATCH_FALLBACK &&
seq_match_mode!=SEQ_MATCH_STRICT_ID ) {
LM_ERR("invalid value %d for seq_match_mode param!!\n",seq_match_mode);
return -1;
}
/* if statistics are disabled, prevent their registration to core */
if (dlg_enable_stats==0)
exports.stats = 0;
/* we are only interested in these parameters if the cachedb url was defined */
if (cdb_url.s) {
cdb_url.len = strlen(cdb_url.s);
if (init_cachedb_utils() <0) {
LM_ERR("cannot init cachedb utils\n");
return -1;
}
cdb_val_prefix.len = strlen(cdb_val_prefix.s);
cdb_noval_prefix.len = strlen(cdb_noval_prefix.s);
cdb_size_prefix.len = strlen(cdb_size_prefix.s);
}
/* create profile hashes */
if (add_profile_definitions( profiles_nv_s, 0)!=0 ) {
LM_ERR("failed to add profiles without value\n");
return -1;
}
if (add_profile_definitions( profiles_wv_s, 1)!=0 ) {
LM_ERR("failed to add profiles with value\n");
return -1;
}
/* load the TM API */
if (load_tm_api(&d_tmb)!=0) {
LM_ERR("can't load TM API\n");
return -1;
}
/* load RR API also */
if (load_rr_api(&d_rrb)!=0) {
LM_ERR("can't load RR API\n");
return -1;
}
/* register callbacks*/
/* listen for all incoming requests */
if ( d_tmb.register_tmcb( 0, 0, TMCB_REQUEST_IN, dlg_onreq, 0, 0 ) <=0 ) {
LM_ERR("cannot register TMCB_REQUEST_IN callback\n");
return -1;
}
/* listen for all routed requests */
if ( d_rrb.register_rrcb( dlg_onroute, 0, 1 ) <0 ) {
LM_ERR("cannot register RR callback\n");
return -1;
}
if (register_script_cb( dialog_cleanup, POST_SCRIPT_CB|REQ_TYPE_CB,0)<0) {
LM_ERR("cannot regsiter script callback");
return -1;
}
if (accept_replicated_dlg &&
bin_register_cb("dialog", receive_binary_packet) < 0) {
LM_ERR("Cannot register binary packet callback!\n");
return -1;
}
if (dlg_have_own_timer_proc) {
LM_INFO("Running with dedicated dialog timer process\n");
dlg_own_timer_proc = register_timer_process( "dlg-timer",
dlg_timer_routine, NULL,1,TIMER_PROC_INIT_FLAG );
if (dlg_own_timer_proc == NULL) {
LM_ERR("Failed to init dialog own timer proc\n");
return -1;
}
if (append_timer_to_process("dlg-pinger", dlg_ping_routine, NULL,
ping_interval,dlg_own_timer_proc) < 0) {
LM_ERR("Failed to append ping timer \n");
return -1;
}
}
else {
if ( register_timer( "dlg-timer", dlg_timer_routine, NULL, 1)<0 ) {
LM_ERR("failed to register timer \n");
return -1;
}
if ( register_timer( "dlg-pinger", dlg_ping_routine, NULL,
ping_interval)<0) {
LM_ERR("failed to register timer 2 \n");
return -1;
}
}
/* init handlers */
init_dlg_handlers(timeout_spec.s?&timeout_avp:0, default_timeout);
/* init timer */
if (init_dlg_timer(dlg_ontimeout)!=0) {
LM_ERR("cannot init timer list\n");
return -1;
}
if (init_dlg_ping_timer()!=0) {
LM_ERR("cannot init ping timer\n");
return -1;
}
/* initialized the hash table */
for( n=0 ; n<(8*sizeof(n)) ; n++) {
if (dlg_hash_size==(1<<n))
break;
if (dlg_hash_size<(1<<n)) {
LM_WARN("hash_size is not a power "
"of 2 as it should be -> rounding from %d to %d\n",
dlg_hash_size, 1<<(n-1));
dlg_hash_size = 1<<(n-1);
break;
}
}
if ( init_dlg_table(dlg_hash_size)<0 ) {
LM_ERR("failed to create hash table\n");
return -1;
}
/* if a database should be used to store the dialogs' information */
if (dlg_db_mode==DB_MODE_NONE) {
db_url.s = 0; db_url.len = 0;
} else {
if (dlg_db_mode!=DB_MODE_REALTIME &&
dlg_db_mode!=DB_MODE_DELAYED && dlg_db_mode!=DB_MODE_SHUTDOWN ) {
LM_ERR("unsupported db_mode %d\n", dlg_db_mode);
return -1;
}
if ( !db_url.s || db_url.len==0 ) {
LM_ERR("db_url not configured for db_mode %d\n", dlg_db_mode);
return -1;
}
if (init_dlg_db(&db_url, dlg_hash_size, db_update_period)!=0) {
LM_ERR("failed to initialize the DB support\n");
return -1;
}
run_load_callbacks();
}
/* if profiles should be kept in cachedb's */
destroy_dlg_callbacks( DLGCB_LOADED );
destroy_cachedb(0);
return 0;
}
