Third rebase of xcache purge plugin / resource monitor onto 5.7.3.

Detailed logs (each rebase is squashed into single commit):
alja/purge-main-rb1
osschar/xcache-purge-rebase-onto-master-2024-09-10
osschar/xcache-purge-rebase-onto-master-5.7.2-2024-12-05

Author: osschar

docs/ReleaseNotes.txt

@@ -1,4 +1,3 @@
-======
 XRootD
 ======
 

src/XrdHeaders.cmake

@@ -26,6 +26,7 @@ set( XROOTD_PUBLIC_HEADERS
   XrdNet/XrdNetSocket.hh
   XrdOuc/XrdOucBuffer.hh
   XrdOuc/XrdOucCRC.hh
+  XrdOuc/XrdOucCache.hh
   XrdOuc/XrdOucCacheCM.hh
   XrdOuc/XrdOucCacheStats.hh
   XrdOuc/XrdOucCallBack.hh

src/XrdOss/XrdOssAt.hh

@@ -30,6 +30,8 @@
 /* specific prior written permission of the institution or contributor.       */
 /******************************************************************************/
 
+#include "XrdOuc/XrdOucEnv.hh"
+
 #include <cstdint>
 #include <sys/types.h>
 

src/XrdPfc.cmake

@@ -5,6 +5,7 @@
 set( LIB_XRD_FILECACHE  XrdPfc-${PLUGIN_VERSION} )
 set( LIB_XRD_FILECACHE_LEGACY XrdFileCache-${PLUGIN_VERSION} )
 set( LIB_XRD_BLACKLIST  XrdBlacklistDecision-${PLUGIN_VERSION} )
+set( LIB_XRD_PURGEQUOTA  XrdPfcPurgeQuota-${PLUGIN_VERSION} )
 
 #-------------------------------------------------------------------------------
 # Shared library version
@@ -19,7 +20,16 @@ add_library(
   XrdPfc/XrdPfcTypes.hh
   XrdPfc/XrdPfc.cc              XrdPfc/XrdPfc.hh
   XrdPfc/XrdPfcConfiguration.cc
+  XrdPfc/XrdPfcDirStateBase.hh
+  XrdPfc/XrdPfcDirState.cc      XrdPfc/XrdPfcDirState.hh
+  XrdPfc/XrdPfcDirStateSnapshot.cc      XrdPfc/XrdPfcDirStateSnapshot.hh
+  XrdPfc/XrdPfcFPurgeState.cc   XrdPfc/XrdPfcFPurgeState.hh
   XrdPfc/XrdPfcPurge.cc
+  XrdPfc/XrdPfcPurgePin.hh
+  XrdPfc/XrdPfcDirStatePurgeshot.hh
+  XrdPfc/XrdPfcResourceMonitor.cc XrdPfc/XrdPfcResourceMonitor.hh
+  XrdPfc/XrdPfcPathParseTools.hh
+  XrdPfc/XrdPfcFsTraversal.cc   XrdPfc/XrdPfcFsTraversal.hh
   XrdPfc/XrdPfcCommand.cc
   XrdPfc/XrdPfcFile.cc          XrdPfc/XrdPfcFile.hh
   XrdPfc/XrdPfcFSctl.cc         XrdPfc/XrdPfcFSctl.hh
@@ -33,7 +43,6 @@ add_library(
 target_link_libraries(
   ${LIB_XRD_FILECACHE}
   PRIVATE
-# XrdPosix
   XrdCl
   XrdUtils
   XrdServer
@@ -53,6 +62,20 @@ target_link_libraries(
   XrdUtils
   )
 
+#-------------------------------------------------------------------------------
+# The XrdPurgeQuota library
+#-------------------------------------------------------------------------------
+add_library(
+  ${LIB_XRD_PURGEQUOTA}
+  MODULE
+  XrdPfc/XrdPfcPurgeQuota.cc)
+
+target_link_libraries(
+    ${LIB_XRD_PURGEQUOTA}
+    PRIVATE
+    XrdUtils
+    )
+
 #-------------------------------------------------------------------------------
 # xrdpfc_print
 #-------------------------------------------------------------------------------
@@ -81,6 +104,20 @@ install(
       COMMAND ln -sf lib${LIB_XRD_FILECACHE}.so lib${LIB_XRD_FILECACHE_LEGACY}.so
       WORKING_DIRECTORY \$ENV{DESTDIR}/${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR} )" )
 
+install(
+  FILES
+    ${CMAKE_CURRENT_SOURCE_DIR}/XrdPfc/XrdPfcPurgePin.hh
+    ${CMAKE_CURRENT_SOURCE_DIR}/XrdPfc/XrdPfcDirStateBase.hh
+    ${CMAKE_CURRENT_SOURCE_DIR}/XrdPfc/XrdPfcDirStatePurgeshot.hh
+    ${CMAKE_CURRENT_SOURCE_DIR}/XrdPfc/XrdPfcStats.hh
+    ${CMAKE_CURRENT_SOURCE_DIR}/XrdPfc/XrdPfcPathParseTools.hh
+    ${CMAKE_CURRENT_SOURCE_DIR}/XrdPfc/XrdPfc.hh
+    ${CMAKE_CURRENT_SOURCE_DIR}/XrdPfc/XrdPfcFile.hh
+    ${CMAKE_CURRENT_SOURCE_DIR}/XrdPfc/XrdPfcTypes.hh
+    ${CMAKE_CURRENT_SOURCE_DIR}/XrdPfc/XrdPfcInfo.hh
+  DESTINATION ${CMAKE_INSTALL_PREFIX}/include/xrootd/XrdPfc
+)
+
 install(
   TARGETS ${LIB_XRD_BLACKLIST}
   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} )

src/XrdPfc/README

@@ -114,24 +114,24 @@ CONFIGURATION
 
 pfc.blocksize: prefetch buffer size, default 1M
 
-pfc.ram [bytes[g]]: maximum allowed RAM usage for caching proxy 
+pfc.ram [bytes[g]]: maximum allowed RAM usage for caching proxy
 
 pfc.prefetch <n>: prefetch level, default is 10. Value zero disables prefetching.
 
 pfc.diskusage <low> <hig> diskusage boundaries, can be specified relative in percantage or in g or T bytes
 
 pfc.user <username>: username used by XrdOss plugin
 
-pfc.filefragmentmode [fragmentsize <bytes>] -- enable prefetching a unit of a file, 
+pfc.filefragmentmode [fragmentsize <bytes>] -- enable prefetching a unit of a file,
 with default block size
 
-pfc.osslib <lpath> [<params>] path to alternative plign for output file system 
+pfc.osslib <lpath> [<params>] path to alternative plign for output file system
 
 pfc.decisionlib <lpath> [<prams>] path to decision library and plugin parameters
 
 pfc.trace <none|error|warning|info|debug|dump> default level is warning, xrootd option -d sets debug level
 
-Examples 
+Examples
 
 a) Enable proxy file prefetching:
 pps.cachelib libXrdPfc.so