/* prepare message and transaction context for later accounting */
void acc_onreq( struct cell* t, int type, struct tmcb_params *ps )
{
int tmcb_types;
int is_invite;
int_str _avp_created_value;
if ( ps->req && !skip_cancel(ps->req) &&
(is_acc_on(ps->req) || is_mc_on(ps->req)) ) {
/* do some parsing in advance */
if (acc_preparse_req(ps->req)<0)
return;
is_invite = (ps->req->REQ_METHOD==METHOD_INVITE)?1:0;
/* install additional handlers */
tmcb_types =
/* report on completed transactions */
TMCB_RESPONSE_OUT |
/* get incoming replies ready for processing */
TMCB_RESPONSE_IN |
/* report on missed calls */
((is_invite && is_mc_on(ps->req))?TMCB_ON_FAILURE:0) ;
/* if cdr accounting is enabled */
if (is_cdr_acc_on(ps->req) && !has_totag(ps->req)) {
_avp_created_value.n = time(NULL);
if ( add_avp(0, acc_created_avp_id, _avp_created_value) != 0) {
LM_ERR("failed to add created avp value!\n");
return;
}
if (is_invite && create_acc_dlg(ps->req) < 0) {
LM_ERR("cannot use dialog accounting module\n");
return;
}
}
if (tmb.register_tmcb( 0, t, tmcb_types, tmcb_func, 0, 0 )<=0) {
LM_ERR("cannot register additional callbacks\n");
return;
}
/* if required, determine request direction */
if( detect_direction && !rrb.is_direction(ps->req,RR_FLOW_UPSTREAM) ) {
LM_DBG("detected an UPSTREAM req -> flaging it\n");
ps->req->msg_flags |= FL_REQ_UPSTREAM;
}
}
}
/* initiate a report if we previously enabled accounting for this t */
static inline void acc_onreply( struct cell* t, struct sip_msg *req,
struct sip_msg *reply, int code)
{
str new_uri_bk;
str dst_uri_bk;
struct dlg_cell *dlg = NULL;
str flags_s;
int_str table;
struct usr_avp *avp;
/* acc_onreply is bound to TMCB_REPLY which may be called
from _reply, like when FR hits; we should not miss this
event for missed calls either */
if (is_invite(t) && code>=300 && is_mc_on(req) )
on_missed(t, req, reply, code);
if (!should_acc_reply(req, reply, code))
return;
/* for reply processing, set as new_uri the winning branch */
if (t->relaied_reply_branch>=0) {
new_uri_bk = req->new_uri;
dst_uri_bk = req->dst_uri;
req->new_uri = t->uac[t->relaied_reply_branch].uri;
req->dst_uri = t->uac[t->relaied_reply_branch].duri;
req->parsed_uri_ok = 0;
} else {
new_uri_bk.len = dst_uri_bk.len = -1;
new_uri_bk.s = dst_uri_bk.s = NULL;
}
/* set env variables */
env_set_to( get_rpl_to(t,reply) );
env_set_code_status( code, reply);
/* search for table avp */
table.s = db_table_acc;
if (db_table_name != -1 && is_db_acc_on(req)) {
avp = search_first_avp(db_table_name_type, db_table_name, &table, 0);
if (!avp) {
LM_DBG("table not set: using default %.*s\n",
db_table_acc.len, db_table_acc.s);
} else {
if (!(avp->flags & AVP_VAL_STR)) {
LM_WARN("invalid integer table name: using default %.*s\n",
db_table_acc.len, db_table_acc.s);
table.s = db_table_acc;
}
}
}
if (is_invite(t) && !has_totag(req) && is_cdr_acc_on(req) &&
code >= 200 && code < 300 && (dlg=dlg_api.get_dlg()) != NULL) {
/* if dialog module loaded and INVITE and success reply */
if (store_core_leg_values(dlg, req) < 0) {
LM_ERR("cannot store core and leg values\n");
return;
}
if(is_log_acc_on(req) && store_log_extra_values(dlg,req,reply)<0){
LM_ERR("cannot store string values\n");
return;
}
if(is_aaa_acc_on(req) && store_aaa_extra_values(dlg, req, reply)<0){
LM_ERR("cannot store aaa extra values\n");
return;
}
if (is_db_acc_on(req) && store_db_extra_values(dlg,req,reply)<0) {
LM_ERR("cannot store database extra values\n");
return;
}
if (is_evi_acc_on(req) && store_evi_extra_values(dlg,req,reply)<0) {
LM_ERR("cannot store database extra values\n");
return;
}
flags_s = bitmask_to_flag_list(FLAG_TYPE_MSG, req->flags);
/* store flags into dlg */
if ( dlg_api.store_dlg_value(dlg, &flags_str, &flags_s) < 0) {
LM_ERR("cannot store flag value into dialog\n");
return;
}
/* store flags into dlg */
if ( dlg_api.store_dlg_value(dlg, &table_str, &table.s) < 0) {
LM_ERR("cannot store the table name into dialog\n");
return;
}
/* register database callbacks */
if (dlg_api.register_dlgcb(dlg, DLGCB_TERMINATED |
DLGCB_EXPIRED, acc_dlg_callback,(void *)(long)req->flags,0) != 0) {
LM_ERR("cannot register callback for database accounting\n");
return;
}
} else {
/* do old accounting */
if ( is_evi_acc_on(req) ) {
env_set_event(acc_event);
acc_evi_request( req, reply, 0 );
}
if ( is_log_acc_on(req) ) {
env_set_text( ACC_ANSWERED, ACC_ANSWERED_LEN);
acc_log_request( req, reply, 0 );
}
if (is_aaa_acc_on(req))
acc_aaa_request( req, reply, 0 );
if (is_db_acc_on(req)) {
env_set_text( table.s.s, table.s.len);
acc_db_request( req, reply, &acc_ins_list, 0);
}
}
/* DIAMETER */
#ifdef DIAM_ACC
if (is_diam_acc_on(req))
acc_diam_request( req, reply );
#endif
if (new_uri_bk.len>=0) {
req->new_uri = new_uri_bk;
req->dst_uri = dst_uri_bk;
req->parsed_uri_ok = 0;
}
}
int w_do_acc_3(struct sip_msg* msg, char* type_p, char* flags_p, char* table_p)
{
unsigned long long type=0, flags=0;
unsigned long long *flag_mask_p, flag_mask;
acc_type_param_t* acc_param;
str in;
str table_name;
int tmcb_types;
int is_invite;
int_str _avp_created_value;
if (type_p == NULL) {
LM_ERR("accounting type is mandatory!\n");
return -1;
}
acc_param = (acc_type_param_t *)type_p;
if (acc_param->t == DO_ACC_PARAM_TYPE_VALUE) {
type = acc_param->u.ival;
} else {
if (pv_printf_s(msg, acc_param->u.pval, &in) < 0) {
LM_ERR("failed to fetch type value!\n");
return -1;
}
if ((type=do_acc_parse(&in, do_acc_type_parser)) < 0) {
LM_ERR("Invalid expression <%.*s> for acc type!\n", in.len, in.s);
return -1;
}
}
if (flags_p != NULL) {
flags= *(unsigned long long*)flags_p;
}
flag_mask = type + type * flags;
if (is_cdr_acc_on(flag_mask)) {
/* setting this flag will allow us to register everything
* that is needed for CDR accounting only once */
set_cdr_values_registered(flag_mask);
}
/* is it the first time when the function was called ? */
if ((flag_mask_p=try_fetch_flags()) != NULL) {
/* no the first time ; check now if CDRs are requested now
* for the first time */
if (!cdr_values_registered(*flag_mask_p) &&
cdr_values_registered(flag_mask)) {
/* CDR support requested for the first time, we need to create
* the dialog support, if an initial INVITE */
if (!has_totag(msg)) {
_avp_created_value.n = time(NULL);
if ( add_avp(0, acc_created_avp_id, _avp_created_value) != 0) {
LM_ERR("failed to add created avp value!\n");
return -1;
}
if (msg->REQ_METHOD == METHOD_INVITE && create_acc_dlg(msg) < 0) {
LM_ERR("cannot use dialog accounting module\n");
return -1;
}
}
}
*flag_mask_p |= flag_mask;
return 1;
}
/* setting accouting for the first time, allocate the flags holder */
flag_mask_p=shm_malloc(sizeof(unsigned long long));
if (flag_mask_p==NULL) {
LM_ERR("No more shm mem!\n");
return -1;
}
/*
* the first bit in each byte will just tell that we want that type of
* accounting
* next bits will tell extra options for that type of accounting
* so we keep the first bits in each byte and on the following positions
* next flags
*/
*flag_mask_p = flag_mask;
ACC_PUT_FLAGS(flag_mask_p);
if (table_p != NULL) {
if (fixup_get_svalue(msg, (gparam_p)table_p, &table_name) < 0) {
LM_ERR("failed to fetch table name!\n");
return -1;
}
}
if ( msg && !skip_cancel(msg) &&
(is_acc_on(*flag_mask_p) || is_mc_acc_on(*flag_mask_p)) ) {
/* do some parsing in advance */
if (acc_preparse_req(msg)<0)
return -1;
is_invite = (msg->REQ_METHOD==METHOD_INVITE)?1:0;
/* install additional handlers */
tmcb_types =
/* report on completed transactions */
TMCB_RESPONSE_IN |
/* register it manually; see explanation below
* get incoming replies ready for processing */
/* TMCB_RESPONSE_OUT | */
/* report on missed calls */
((is_invite && is_mc_acc_on(*flag_mask_p))?TMCB_ON_FAILURE:0) ;
/* if cdr accounting is enabled */
if (is_cdr_acc_on(*flag_mask_p) && !has_totag(msg)) {
_avp_created_value.n = time(NULL);
if ( add_avp(0, acc_created_avp_id, _avp_created_value) != 0) {
LM_ERR("failed to add created avp value!\n");
return -1;
}
if (is_invite && create_acc_dlg(msg) < 0) {
LM_ERR("cannot use dialog accounting module\n");
return -1;
}
}
/* we do register_tmcb twice because we wan't to register the free
* fucntion only once */
if (tmb.register_tmcb( msg, 0, TMCB_RESPONSE_OUT, tmcb_func,
flag_mask_p, tm_free_acc_mask)<=0) {
LM_ERR("cannot register additional callbacks\n");
return -1;
}
if (tmb.register_tmcb( msg, 0, tmcb_types, tmcb_func,
flag_mask_p, 0)<=0) {
LM_ERR("cannot register additional callbacks\n");
return -1;
}
/* if required, determine request direction */
if( detect_direction && !rrb.is_direction(msg,RR_FLOW_UPSTREAM) ) {
LM_DBG("detected an UPSTREAM req -> flaging it\n");
msg->msg_flags |= FL_REQ_UPSTREAM;
}
}
return 1;
}
/* initiate a report if we previously enabled accounting for this t */
static inline void acc_onreply( struct cell* t, struct sip_msg *req,
struct sip_msg *reply, int code, acc_ctx_t* ctx)
{
str new_uri_bk;
str dst_uri_bk;
struct dlg_cell *dlg = NULL;
str ctx_s;
str table;
unsigned long long* flags = &ctx->flags;
/* acc_onreply is bound to TMCB_REPLY which may be called
from _reply, like when FR hits; we should not miss this
event for missed calls either */
if (is_invite(t) && code>=300 && is_mc_acc_on(*flags) ) {
on_missed(t, req, reply, code, ctx);
}
if (!should_acc_reply(req, reply, code, flags))
return;
/* for reply processing, set as new_uri the winning branch */
if (t->relaied_reply_branch>=0) {
new_uri_bk = req->new_uri;
dst_uri_bk = req->dst_uri;
req->new_uri = t->uac[t->relaied_reply_branch].uri;
req->dst_uri = t->uac[t->relaied_reply_branch].duri;
req->parsed_uri_ok = 0;
} else {
new_uri_bk.len = dst_uri_bk.len = -1;
new_uri_bk.s = dst_uri_bk.s = NULL;
}
/* set env variables */
env_set_to( get_rpl_to(t,reply) );
env_set_code_status( code, reply);
/* search for table avp */
if (is_db_acc_on(ctx->flags))
table = ctx->acc_table;
else {
table.s = 0;
table.len = 0;
}
if (is_invite(t) && !has_totag(req) && is_cdr_acc_on(ctx->flags) &&
code >= 200 && code < 300 && (dlg=dlg_api.get_dlg()) != NULL) {
/* if dialog module loaded and INVITE and success reply */
if (store_core_leg_values(dlg, req) < 0) {
LM_ERR("cannot store core and leg values\n");
return;
}
ctx_s.s = (char*)&ctx;
ctx_s.len = sizeof(acc_ctx_t *);
/* store context pointer into dialog */
if (dlg_api.store_dlg_value(dlg, &acc_ctx_str, &ctx_s) < 0) {
LM_ERR("cannot store context pointer into dlg val!\n");
return;
}
/* report that flags shall be freed only by dialog module
* tm must never free it */
set_dialog_context(*flags);
/* register program shutdown callback
* won't register free function since TERMINATED|EXPIRED callback
* free function will be called to free */
if (dlg_api.register_dlgcb(dlg, DLGCB_DB_WRITE_VP,
acc_dlg_onshutdown, ctx, NULL) != 0) {
LM_ERR("cannot register callback for program shutdown!\n");
return;
}
/* register database callbacks */
if (dlg_api.register_dlgcb(dlg, DLGCB_TERMINATED|DLGCB_EXPIRED,
acc_dlg_callback, ctx, dlg_free_acc_ctx) != 0) {
LM_ERR("cannot register callback for database accounting\n");
return;
}
} else {
/* do old accounting */
if ( is_evi_acc_on(*flags) ) {
env_set_event(acc_event);
acc_evi_request( req, reply, 0 );
}
if ( is_log_acc_on(*flags) ) {
env_set_text( ACC_ANSWERED, ACC_ANSWERED_LEN);
acc_log_request( req, reply, 0 );
}
if (is_aaa_acc_on(*flags))
acc_aaa_request( req, reply, 0 );
if (is_db_acc_on(*flags)) {
env_set_text( table.s, table.len);
acc_db_request( req, reply, &acc_ins_list, 0);
}
}
if (new_uri_bk.len>=0) {
req->new_uri = new_uri_bk;
req->dst_uri = dst_uri_bk;
req->parsed_uri_ok = 0;
}
}
int w_do_acc_3(struct sip_msg* msg, char* type_p, char* flags_p, char* table_p)
{
unsigned long long type=0, flags=0;
unsigned long long flag_mask;
acc_ctx_t* acc_ctx;
acc_type_param_t* acc_param;
str in;
str table_name;
int tmcb_types;
int is_invite;
if (type_p == NULL) {
LM_ERR("accounting type is mandatory!\n");
return -1;
}
acc_param = (acc_type_param_t *)type_p;
if (acc_param->t == DO_ACC_PARAM_TYPE_VALUE) {
type = acc_param->u.ival;
} else {
if (pv_printf_s(msg, acc_param->u.pval, &in) < 0) {
LM_ERR("failed to fetch type value!\n");
return -1;
}
if ((type=do_acc_parse(&in, do_acc_type_parser)) == DO_ACC_ERR) {
LM_ERR("Invalid expression <%.*s> for acc type!\n", in.len, in.s);
return -1;
}
}
if (table_p != NULL) {
if (fixup_get_svalue(msg, (gparam_p)table_p, &table_name) < 0) {
LM_ERR("failed to fetch table name!\n");
return -1;
}
}
if (flags_p != NULL) {
flags= *(unsigned long long*)flags_p;
}
flag_mask = type + type * flags;
if (is_cdr_acc_on(flag_mask)) {
/* setting this flag will allow us to register everything
* that is needed for CDR accounting only once */
set_cdr_values_registered(flag_mask);
}
/* is it the first time when the function was called ? */
acc_ctx = try_fetch_ctx();
/* we go in here only if do_accounting function was called before;
* if accounting context is null or it's created but flags value is
* 0(meaning that context was created from somewhere else but do_accounting
* wasn't called) then we need to jump over this and register
* all the callbacks we need */
if (acc_ctx != NULL && acc_ctx->flags != 0) {
/* do_accounting already called once */
/* first check if the accounting table changed */
if (is_db_acc_on(flag_mask) &&
(table_p != NULL ||
(acc_ctx->acc_table.s==NULL && acc_ctx->acc_table.len == 0))) {
if (table_p == NULL) {
table_name = db_table_acc;
}
if (store_acc_table( acc_ctx, &table_name) < 0) {
LM_ERR("failed to store acc table!\n");
return -1;
}
}
if (!cdr_values_registered(acc_ctx->flags) &&
cdr_values_registered(flag_mask)) {
/* CDR support requested for the first time, we need to create
* the dialog support, if an initial INVITE */
if (!has_totag(msg)) {
acc_ctx->created = time(NULL);
if (msg->REQ_METHOD == METHOD_INVITE && create_acc_dlg(msg) < 0) {
LM_ERR("cannot use dialog accounting module\n");
return -1;
}
}
}
/* if it's the first time the missed calls flag was used register the callback */
if (is_mc_acc_on(flag_mask) && !failure_cb_registered(acc_ctx->flags)) {
if (tmb.register_tmcb( msg, 0, TMCB_ON_FAILURE, tmcb_func, acc_ctx, 0)<=0) {
LM_ERR("cannot register missed calls callback\n");
return -1;
}
/* don't allow the callback to be registered agian in the future */
set_failure_cb_registered(acc_ctx->flags);
}
acc_ctx->flags |= flag_mask;
return 1;
}
/* initialize accounting context if not created before */
if (acc_ctx == NULL && init_acc_ctx(&acc_ctx) < 0) {
LM_ERR("failed to create accounting context!\n");
return -1;
}
/* move acc table in context if we have database accounting */
if (is_db_acc_on(flag_mask)) {
if (table_p == NULL) {
table_name = db_table_acc;
}
if (store_acc_table( acc_ctx, &table_name) < 0) {
LM_ERR("failed to store acc table!\n");
return -1;
}
}
/*
* the first bit in each byte will just tell that we want that type of
* accounting
* next bits will tell extra options for that type of accounting
* so we keep the first bits in each byte and on the following positions
* next flags
*/
acc_ctx->flags = flag_mask;
/* make sure that context won't be freed by GLOBAL_CONTEXT free function */
acc_ctx->flags |= ACC_PROCESSING_CTX_NO_FREE;
ACC_PUT_CTX(acc_ctx);
if ( msg && !skip_cancel(msg) &&
(is_acc_on(acc_ctx->flags) || is_mc_acc_on(acc_ctx->flags)) ) {
/* do some parsing in advance */
if (acc_preparse_req(msg)<0)
return -1;
is_invite = (msg->REQ_METHOD==METHOD_INVITE)?1:0;
/* install additional handlers */
tmcb_types =
/* report on completed transactions */
TMCB_RESPONSE_IN;
if (is_invite && is_mc_acc_on(acc_ctx->flags)) {
/* register it manually; see explanation below
* get incoming replies ready for processing */
/* TMCB_RESPONSE_OUT | */
/* report on missed calls */
tmcb_types |= TMCB_ON_FAILURE;
/* the flag will help on further do_accounting calls to know
* not to register the callback twice */
set_failure_cb_registered(acc_ctx->flags);
}
/* if cdr accounting is enabled */
if (is_cdr_acc_on(acc_ctx->flags) && !has_totag(msg)) {
acc_ctx->created = time(NULL);
if (is_invite && create_acc_dlg(msg) < 0) {
LM_ERR("cannot use dialog accounting module\n");
return -1;
}
}
/* we do register_tmcb twice because we want to register the free
* function only once */
if (tmb.register_tmcb( msg, 0, TMCB_RESPONSE_OUT, tmcb_func,
acc_ctx, tm_free_acc_ctx)<=0) {
LM_ERR("cannot register additional callbacks\n");
return -1;
}
if (tmb.register_tmcb( msg, 0, tmcb_types, tmcb_func,
acc_ctx, 0)<=0) {
LM_ERR("cannot register additional callbacks\n");
return -1;
}
/* if required, determine request direction */
if( detect_direction && !rrb.is_direction(msg,RR_FLOW_UPSTREAM) ) {
LM_DBG("detected an UPSTREAM req -> flaging it\n");
msg->msg_flags |= FL_REQ_UPSTREAM;
}
}
return 1;
}
int w_has_totag(struct sip_msg* _m, char* _foo, char* _bar)
{
return has_totag(_m);
}
