/* 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;
if ( ps->req && !skip_cancel(ps->req) &&
( is_acc_on(ps->req) || is_mc_on(ps->req)
|| is_acc_prepare_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 |
/* account e2e acks if configured to do so */
((report_ack && is_acc_on(ps->req))?TMCB_E2EACK_IN:0) |
/* get incoming replies ready for processing */
TMCB_RESPONSE_IN |
/* report on missed calls */
((is_invite && (is_mc_on(ps->req)
|| is_acc_prepare_on(ps->req)))?TMCB_ON_FAILURE:0);
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;
}
}
}
static void ack_handler(struct cell* t, int type, struct tmcb_params* ps)
{
if (is_acc_on(t->uas.request)) {
preparse_req(ps->req);
log_ack(t, ps->req, (time_t)*(ps->param));
}
}
/* is this reply of interest for accounting ? */
static inline int should_acc_reply(struct sip_msg *req, struct sip_msg *rpl,
int code)
{
unsigned int i;
/* negative transactions reported otherwise only if explicitly
* demanded */
if (code >= 300) {
if (!is_failed_acc_on(req)) return 0;
i = 0;
while (failed_filter[i] != 0) {
if (failed_filter[i] == code) return 0;
i++;
}
return 1;
}
if ( !is_acc_on(req) )
return 0;
if ( code<200 && !(early_media &&
parse_headers(rpl,HDR_CONTENTLENGTH_F, 0) == 0 &&
rpl->content_length && get_content_length(rpl) > 0))
return 0;
return 1; /* seed is through, we will account this reply */
}
/* prepare message and transaction context for later accounting */
static void acc_onreq( struct cell* t, struct sip_msg *msg,
int code, void *param )
{
if (is_acc_on(msg) || is_mc_on(msg)) {
acc_preparse_req(msg);
/* also, if that is INVITE, disallow silent t-drop */
if (msg->REQ_METHOD==METHOD_INVITE) {
DBG("DEBUG: noisy_timer set for accounting\n");
t->noisy_ctimer=1;
}
}
}
/* initiate a report if we previously enabled accounting for this t */
static void replyout_handler(struct cell* t, int type, struct tmcb_params* ps)
{
if (t->uas.request == 0) {
DBG("DBG:acc:replyout_handler: No uas.request, local transaction, skipping\n");
return;
}
/* 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
*/
failure_handler(t, type, ps);
if (!should_acc_reply(t, ps->code)) return;
if (is_acc_on(t->uas.request)) log_reply(t, ps->rpl, ps->code, (time_t)*(ps->param));
}
/* is this reply of interest for accounting ? */
static inline int should_acc_reply(struct sip_msg *req,struct sip_msg *rpl,
int code)
{
/* negative transactions reported otherwise only if explicitly
* demanded */
if ( !is_failed_acc_on(req) && code >=300 )
return 0;
if ( !is_acc_on(req) )
return 0;
if ( code<200 && !(early_media && rpl!=FAKED_REPLY &&
parse_headers(rpl,HDR_CONTENTLENGTH_F, 0)==0 && rpl->content_length &&
get_content_length(rpl)>0 ) )
return 0;
return 1; /* seed is through, we will account this reply */
}
/* 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;
}
}
}
/* prepare message and transaction context for later accounting */
void on_req(struct cell* t, int type, struct tmcb_params *ps)
{
time_t req_time;
/* Pass the timestamp of the request as a parameter to callbacks */
req_time = time(0);
if (is_acc_on(ps->req) || is_mc_on(ps->req)) {
if (tmb.register_tmcb(0, t, TMCB_RESPONSE_OUT, replyout_handler,
(void*)req_time, 0) <= 0) {
LOG(L_ERR, "ERROR:acc:on_req: Error while registering TMCB_RESPONSE_OUT callback\n");
return;
}
if (report_ack) {
if (tmb.register_tmcb(0, t, TMCB_E2EACK_IN, ack_handler,
(void*)req_time, 0) <= 0) {
LOG(L_ERR, "ERROR:acc:on_req: Error while registering TMCB_E2EACK_IN callback\n");
return;
}
}
if (tmb.register_tmcb(0, t, TMCB_ON_FAILURE_RO, failure_handler,
(void*)req_time, 0) <= 0) {
LOG(L_ERR, "ERROR:acc:on_req: Error while registering TMCB_ON_FAILURE_RO callback\n");
return;
}
if (tmb.register_tmcb(0, t, TMCB_RESPONSE_IN, replyin_handler,
(void*)req_time, 0) <= 0) {
LOG(L_ERR, "ERROR:acc:on_req: Error while registering TMCB_RESPONSE_IN callback\n");
return;
}
/* do some parsing in advance */
preparse_req(ps->req);
/* also, if that is INVITE, disallow silent t-drop */
if (ps->req->REQ_METHOD == METHOD_INVITE) {
DBG("DEBUG: noisy_timer set for accounting\n");
t->flags |= T_NOISY_CTIMER_FLAG;
}
}
}
/* is this reply of interest for accounting ? */
static inline int should_acc_reply(struct cell* t, int code)
{
struct sip_msg *r;
r = t->uas.request;
/* validation */
if (r == 0) {
LOG(L_ERR, "ERROR:acc:should_acc_reply: 0 request\n");
return 0;
}
/* negative transactions reported otherwise only if explicitly
* demanded */
if (!failed_transactions && code >= 300) return 0;
if (!is_acc_on(r)) return 0;
if (skip_cancel(r)) return 0;
if (code < 200 && ! (early_media && code == 183)) return 0;
return 1; /* seed is through, we will account this reply */
}
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;
}
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;
}
