00001 #ifndef __XRD_LINKINFO_H__ 00002 #define __XRD_LINKINFO_H__ 00003 /******************************************************************************/ 00004 /* */ 00005 /* X r d L i n k I n f o . h h */ 00006 /* */ 00007 /* (c) 2020 by the Board of Trustees of the Leland Stanford, Jr., University */ 00008 /* Produced by Andrew Hanushevsky for Stanford University under contract */ 00009 /* DE-AC02-76-SFO0515 with the Department of Energy */ 00010 /* */ 00011 /* This file is part of the XRootD software suite. */ 00012 /* */ 00013 /* XRootD is free software: you can redistribute it and/or modify it under */ 00014 /* the terms of the GNU Lesser General Public License as published by the */ 00015 /* Free Software Foundation, either version 3 of the License, or (at your */ 00016 /* option) any later version. */ 00017 /* */ 00018 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */ 00019 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */ 00020 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */ 00021 /* License for more details. */ 00022 /* */ 00023 /* You should have received a copy of the GNU Lesser General Public License */ 00024 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */ 00025 /* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */ 00026 /* */ 00027 /* The copyright holder's institutional names and contributor's names may not */ 00028 /* be used to endorse or promote products derived from this software without */ 00029 /* specific prior written permission of the institution or contributor. */ 00030 /******************************************************************************/ 00031 00032 #include <stdlib.h> 00033 #include <sys/types.h> 00034 #include <time.h> 00035 00036 #include "XrdSys/XrdSysPthread.hh" 00037 00038 class XrdLinkInfo 00039 { 00040 public: 00041 00042 XrdSysCondVar *KillcvP; // Protected by opMutex! 00043 XrdSysSemaphore IOSemaphore; // Serialization semaphore 00044 time_t conTime; // Unix time connected 00045 char *Etext; // -> error text, if nil then no error. 00046 XrdSysRecMutex opMutex; // Serialization mutex 00047 int InUse; // Number of threads using this object 00048 int doPost; // Number of threads waiting for serialization 00049 int FD; // File descriptor for link use (may be negative) 00050 char KillCnt; // Number of times a kill has been attempted 00051 00052 void Reset() 00053 {KillcvP = 0; 00054 conTime = time(0); 00055 if (Etext) {free(Etext); Etext = 0;} 00056 InUse = 1; 00057 doPost = 0; 00058 FD = -1; 00059 KillCnt = 0; 00060 } 00061 00062 XrdLinkInfo() : IOSemaphore(0, "link i/o"), Etext(0) {Reset();} 00063 00064 ~XrdLinkInfo() {} 00065 }; 00066 #endif