/***********************************************************************
* Registered as a callback with our SIP data blocks when
* they are added to the underlying stream session. Called
* by the stream preprocessor when a session is about to be
* destroyed.
*
* PARAMETERS:
*
* idatap: Pointer to the moribund data.
*
* RETURNS: Nothing.
***********************************************************************/
static void FreeSIPData( void* idatap )
{
SIPData *ssn = (SIPData *)idatap;
SIPConfig *config = NULL;
if (ssn == NULL)
return;
if (numSessions > 0)
numSessions--;
/*Free all the dialog data*/
sip_freeDialogs(ssn->dialogs);
/*Clean the configuration data*/
if (ssn->config != NULL)
{
config = (SIPConfig *)sfPolicyUserDataGet(ssn->config, ssn->policy_id);
}
if (config == NULL)
{
free(ssn);
return;
}
config->ref_count--;
if ((config->ref_count == 0) && (ssn->config != sip_config))
{
sfPolicyUserDataClear (ssn->config, ssn->policy_id);
free(config);
if (sfPolicyUserPolicyGetActive(ssn->config) == 0)
{
/* No more outstanding configs - free the config array */
SIPFreeConfig(ssn->config);
}
}
free(ssn);
}
static int SIPReloadVerify(void)
{
SIPConfig * pPolicyConfig = NULL;
SIPConfig * pCurrentConfig = NULL;
if (sip_swap_config == NULL)
return 0;
pPolicyConfig = (SIPConfig *)sfPolicyUserDataGet(sip_swap_config, _dpd.getDefaultPolicy());
if (!pPolicyConfig)
return 0;
if ( pPolicyConfig->disabled )
return 0;
if (!_dpd.isPreprocEnabled(PP_STREAM5))
{
DynamicPreprocessorFatalMessage("SetupSIP(): The Stream preprocessor must be enabled.\n");
}
if (sip_config != NULL)
{
pCurrentConfig = (SIPConfig *)sfPolicyUserDataGet(sip_config, _dpd.getDefaultPolicy());
}
if (!pCurrentConfig)
return 0;
if (pPolicyConfig->maxNumSessions != pCurrentConfig->maxNumSessions)
{
_dpd.errMsg("SIP reload: Changing the max_sessions requires a restart.\n");
SIPFreeConfig(sip_swap_config);
sip_swap_config = NULL;
return -1;
}
return 0;
}