Function do_action

action.c:641–1216

ret= 0! if action -> end of list(e.g DROP), > 0 to continue processing next actions and <0 on error */

      > 0 to continue processing next actions
   and <0 on error */
int do_action(struct action* a, struct sip_msg* msg)
{
	int ret;
	int v;
	int i;
	int len;
	int cmatch;
	struct action *aitem;
	struct action *adefault;
	pv_spec_t *spec;
	pv_value_t val;
	struct timeval start;
	int end_time;
	const cmd_export_t *cmd = NULL;
	const acmd_export_t *acmd;
	void* cmdp[MAX_CMD_PARAMS];
	pv_value_t tmp_vals[MAX_CMD_PARAMS];
	pv_value_t *route_p;
	str sval;

	/* reset the value of error to E_UNSPEC so avoid unknowledgable
	   functions to return with error (status<0) and not setting it
	   leaving there previous error; cache the previous value though
	   for functions which want to process it */
	prev_ser_error=ser_error;
	ser_error=E_UNSPEC;

	start_expire_timer(start,execmsgthreshold);

	curr_action_line = a->line;
	curr_action_file = a->file;

	ret=E_BUG;
	switch ((unsigned char)a->type){
		case ASSERT_T:
				if (enable_asserts) {
					/* if null expr => ignore if? */
					if ((a->elem[0].type==EXPR_ST)&&a->elem[0].u.data){
						v=eval_expr((struct expr*)a->elem[0].u.data, msg, 0);

						ret=1;  /*default is continue */

						if (v<=0) {
							ret=0;

							if (a->elem[1].u.string)
								LM_CRIT("ASSERTION FAILED (%s) at %s:%d\n",
								        a->elem[1].u.string, a->file, a->line);
							else
								LM_CRIT("ASSERTION FAILED at %s:%d\n",
								        a->file, a->line);

							if (abort_on_assert) {
								abort();
							} else {
								set_err_info(OSER_EC_ASSERT, OSER_EL_CRITIC, "assertion failed");
								set_err_reply(500, "server error");