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151 lines
3.9 KiB
151 lines
3.9 KiB
//
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// MODULE: SNIFFCONTROLLERLOCAL.CPP
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//
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// PURPOSE: sniff controller class for Local TS
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//
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// COMPANY: Saltmine Creative, Inc. (206)-284-7511 [email protected]
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//
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// AUTHOR: Oleg Kalosha
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//
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// ORIGINAL DATE: 12-11-98
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//
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// NOTES: Concrete implementation of CSniffController class for Local TS
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//
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// Version Date By Comments
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//--------------------------------------------------------------------
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// V3.2 12-11-98 OK
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//
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#include "stdafx.h"
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#include "tshoot.h"
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#include "SniffControllerLocal.h"
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#include "Topic.h"
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#include "propnames.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[]=__FILE__;
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#define new DEBUG_NEW
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#endif
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// Network property values from DSC/XTS file.
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#define SNIFF_LOCAL_YES _T("yes")
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#define SNIFF_LOCAL_NO _T("no")
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#define SNIFF_LOCAL_IMPLICIT _T("implicit")
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#define SNIFF_LOCAL_EXPLICIT _T("explicit")
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//////////////////////////////////////////////////////////////////////
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// CSniffControllerLocal implementation
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//////////////////////////////////////////////////////////////////////
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CSniffControllerLocal::CSniffControllerLocal(CTopic* pTopic)
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: m_pTopic(pTopic)
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{
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}
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CSniffControllerLocal::~CSniffControllerLocal()
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{
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}
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// This function provides us with a cheap test for existence of the sniffing property,
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// so that (for example) we don't have to fire the sniffing event for nodes where
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// sniffing is irrelevant.
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bool CSniffControllerLocal::IsSniffable(NID numNodeID)
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{
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CString str = m_pTopic->GetNodePropItemStr(numNodeID, H_NODE_SNIFF_SCRIPT);
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return !str.IsEmpty();
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}
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void CSniffControllerLocal::SetTopic(CTopic* pTopic)
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{
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m_pTopic = pTopic;
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}
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bool CSniffControllerLocal::AllowAutomaticOnStartSniffing(NID numNodeID)
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{
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if (!IsSniffable(numNodeID))
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return false;
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return CheckNetNodePropBool(H_NET_MAY_SNIFF_ON_STARTUP,
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H_NODE_MAY_SNIFF_ON_STARTUP,
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numNodeID)
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&&
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GetAllowAutomaticSniffingPolicy();
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}
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bool CSniffControllerLocal::AllowAutomaticOnFlySniffing(NID numNodeID)
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{
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if (!IsSniffable(numNodeID))
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return false;
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return CheckNetNodePropBool(H_NET_MAY_SNIFF_ON_FLY,
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H_NODE_MAY_SNIFF_ON_FLY,
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numNodeID)
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&&
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GetAllowAutomaticSniffingPolicy();
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}
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bool CSniffControllerLocal::AllowManualSniffing(NID numNodeID)
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{
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if (!IsSniffable(numNodeID))
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return false;
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return CheckNetNodePropBool(H_NET_MAY_SNIFF_MANUALLY,
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H_NODE_MAY_SNIFF_MANUALLY,
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numNodeID)
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&&
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GetAllowManualSniffingPolicy();
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}
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bool CSniffControllerLocal::AllowResniff(NID numNodeID)
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{
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if (!IsSniffable(numNodeID))
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return false;
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if (!GetAllowAutomaticSniffingPolicy())
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return false;
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CString net_resniff_policy = m_pTopic->GetNetPropItemStr(H_NET_RESNIFF_POLICY);
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net_resniff_policy.TrimLeft();
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net_resniff_policy.TrimRight();
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net_resniff_policy.MakeLower();
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if (net_resniff_policy == SNIFF_LOCAL_YES)
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return true;
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if (net_resniff_policy == SNIFF_LOCAL_NO)
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return false;
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// If we get this far, policy is left up to the individual node, so we need to know
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// the node's policy.
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CString node_resniff_policy = m_pTopic->GetNodePropItemStr(numNodeID, H_NODE_MAY_RESNIFF);
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node_resniff_policy.TrimLeft();
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node_resniff_policy.TrimRight();
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node_resniff_policy.MakeLower();
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if (net_resniff_policy == SNIFF_LOCAL_IMPLICIT)
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{
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return (node_resniff_policy != SNIFF_LOCAL_NO);
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}
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// default net policy is "explicit"
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return (node_resniff_policy == SNIFF_LOCAL_YES);
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}
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bool CSniffControllerLocal::CheckNetNodePropBool(LPCTSTR net_prop, LPCTSTR node_prop, NID node_id)
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{
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CString net = m_pTopic->GetNetPropItemStr(net_prop);
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CString node = m_pTopic->GetNodePropItemStr(node_id, node_prop);
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net. TrimLeft(); net .TrimRight(); net. MakeLower();
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node.TrimLeft(); node.TrimRight(); node.MakeLower();
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// Note assumption: if property is missing, default is always yes.
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if ((net.IsEmpty() || net == SNIFF_LOCAL_YES) && (node.IsEmpty() || node == SNIFF_LOCAL_YES))
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return true;
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return false;
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}
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