#ifndef __XRDCMSBLACKLIST_HH__ #define __XRDCMSBLACKLIST_HH__ /******************************************************************************/ /* */ /* X r d C m s B l a c k L i s t . h h */ /* */ /* (c) 2014 by the Board of Trustees of the Leland Stanford, Jr., University */ /* All Rights Reserved */ /* Produced by Andrew Hanushevsky for Stanford University under contract */ /* DE-AC02-76-SFO0515 with the Department of Energy */ /* */ /* This file is part of the XRootD software suite. */ /* */ /* XRootD is free software: you can redistribute it and/or modify it under */ /* the terms of the GNU Lesser General Public License as published by the */ /* Free Software Foundation, either version 3 of the License, or (at your */ /* option) any later version. */ /* */ /* XRootD is distributed in the hope that it will be useful, but WITHOUT */ /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */ /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */ /* License for more details. */ /* */ /* You should have received a copy of the GNU Lesser General Public License */ /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */ /* COPYING (GPL license). If not, see . */ /* */ /* The copyright holder's institutional names and contributor's names may not */ /* be used to endorse or promote products derived from this software without */ /* specific prior written permission of the institution or contributor. */ /******************************************************************************/ #include "Xrd/XrdJob.hh" class XrdCmsCluster; class XrdOucTList; class XrdScheduler; class BL_Grip; class XrdCmsBlackList : public XrdJob { public: //------------------------------------------------------------------------------ //! Time driven method for checking black list file. //------------------------------------------------------------------------------ void DoIt(); //------------------------------------------------------------------------------ //! Initialize the black list //! //! @param sP Pointer to the scheduler object. //! @param cP Pointer to the cluster object. //! @param blfn The path to the black list file or null. //! @param chkt Seconds between checks for blacklist changes. If the value //! is negative, the blacklist is treated as a whitelist. //------------------------------------------------------------------------------ static void Init(XrdScheduler *sP, XrdCmsCluster *cP, const char *blfn, int chkt=600); //------------------------------------------------------------------------------ //! Check if host is in the black list and how it should be managed. //! //! @param hName Pointer to the host name or address. //! @param bList Optional pointer to a private black list. //! @param rbuff Pointer to the buffer to contain the redirect response. If //! nil, the host is not redirected. //! @param rblen The size of rbuff. If zero or insufficiently large the host //! is not redirected. //! //! @return < -1 Host is in the black list and would be redirected; //! but either rbuff was nil or the buffer was too small. The //! abs(returned value) is the size the buffer should have been. //! @return = -1 Host is in the black list and should not be redirected. //! @return = 0 Host not in the black list. //! @return > 0 Host is in the black list and should be redirected. //! The return value is the size of the redirect response placed //! in the supplied buffer. //------------------------------------------------------------------------------ static int Present(const char *hName, XrdOucTList *bList=0, char *rbuff=0, int rblen=0); //------------------------------------------------------------------------------ //! Constructor and Destructor //------------------------------------------------------------------------------ XrdCmsBlackList() : XrdJob("Black List Check") {} ~XrdCmsBlackList() {} private: static bool AddBL(BL_Grip &bAnchor, char *hSpec, BL_Grip *rAnchor, char *rSpec); static int AddRD(BL_Grip *rAnchor, char *rSpec, char *hSpec); static bool AddRD(XrdOucTList **rList, char *rSpec, char *hSpec); static XrdOucTList *Flatten(XrdOucTList *tList, int tPort); static bool GetBL(XrdOucTList *&bList, XrdOucTList **&rList, int &rcnt); }; #endif