XRootD
XrdPfc.cc File Reference
#include <fcntl.h>
#include <sstream>
#include <algorithm>
#include <sys/statvfs.h>
#include "XrdCl/XrdClConstants.hh"
#include "XrdCl/XrdClURL.hh"
#include "XrdOuc/XrdOucEnv.hh"
#include "XrdOuc/XrdOucUtils.hh"
#include "XrdOuc/XrdOucPrivateUtils.hh"
#include "XrdSys/XrdSysPthread.hh"
#include "XrdSys/XrdSysTimer.hh"
#include "XrdSys/XrdSysTrace.hh"
#include "XrdXrootd/XrdXrootdGStream.hh"
#include "XrdOss/XrdOss.hh"
#include "XrdPfc.hh"
#include "XrdPfcTrace.hh"
#include "XrdPfcFSctl.hh"
#include "XrdPfcInfo.hh"
#include "XrdPfcIOFile.hh"
#include "XrdPfcIOFileBlock.hh"
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Go to the source code of this file.

Functions

void * PrefetchThread (void *)
 
void * ProcessWriteTaskThread (void *)
 
void * PurgeThread (void *)
 
void * ResourceMonitorHeartBeatThread (void *)
 
XrdOucCacheXrdOucGetCache (XrdSysLogger *logger, const char *config_filename, const char *parameters, XrdOucEnv *env)
 

Function Documentation

◆ PrefetchThread()

void* PrefetchThread ( void *  )

Definition at line 71 of file XrdPfc.cc.

72 {
73  Cache::GetInstance().Prefetch();
74  return 0;
75 }

References XrdPfc::Cache::GetInstance(), and XrdPfc::Cache::Prefetch().

Referenced by XrdOucGetCache().

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◆ ProcessWriteTaskThread()

void* ProcessWriteTaskThread ( void *  )

Definition at line 65 of file XrdPfc.cc.

66 {
67  Cache::GetInstance().ProcessWriteTasks();
68  return 0;
69 }

References XrdPfc::Cache::GetInstance(), and XrdPfc::Cache::ProcessWriteTasks().

Referenced by XrdOucGetCache().

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◆ PurgeThread()

void* PurgeThread ( void *  )

Definition at line 59 of file XrdPfc.cc.

60 {
61  Cache::GetInstance().Purge();
62  return 0;
63 }

References XrdPfc::Cache::GetInstance(), and XrdPfc::Cache::Purge().

Referenced by XrdOucGetCache().

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◆ ResourceMonitorHeartBeatThread()

void* ResourceMonitorHeartBeatThread ( void *  )

Definition at line 53 of file XrdPfc.cc.

54 {
55  Cache::GetInstance().ResourceMonitorHeartBeat();
56  return 0;
57 }

References XrdPfc::Cache::GetInstance(), and XrdPfc::Cache::ResourceMonitorHeartBeat().

Referenced by XrdOucGetCache().

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◆ XrdOucGetCache()

XrdOucCache* XrdOucGetCache ( XrdSysLogger logger,
const char *  config_filename,
const char *  parameters,
XrdOucEnv env 
)

Definition at line 81 of file XrdPfc.cc.

85 {
86  XrdSysError err(logger, "");
87  err.Say("++++++ Proxy file cache initialization started.");
88 
89  if ( ! env ||
90  ! (XrdPfc::Cache::schedP = (XrdScheduler*) env->GetPtr("XrdScheduler*")))
91  {
94  }
95 
96  Cache &instance = Cache::CreateInstance(logger, env);
97 
98  if (! instance.Config(config_filename, parameters))
99  {
100  err.Say("Config Proxy file cache initialization failed.");
101  return 0;
102  }
103  err.Say("------ Proxy file cache initialization completed.");
104 
105  {
106  pthread_t tid;
107 
108  for (int wti = 0; wti < instance.RefConfiguration().m_wqueue_threads; ++wti)
109  {
110  XrdSysThread::Run(&tid, ProcessWriteTaskThread, 0, 0, "XrdPfc WriteTasks ");
111  }
112 
113  if (instance.RefConfiguration().m_prefetch_max_blocks > 0)
114  {
115  XrdSysThread::Run(&tid, PrefetchThread, 0, 0, "XrdPfc Prefetch ");
116  }
117 
118  XrdSysThread::Run(&tid, ResourceMonitorHeartBeatThread, 0, 0, "XrdPfc ResourceMonitorHeartBeat");
119 
120  XrdSysThread::Run(&tid, PurgeThread, 0, 0, "XrdPfc Purge");
121  }
122 
123  XrdPfcFSctl* pfcFSctl = new XrdPfcFSctl(instance, logger);
124  env->PutPtr("XrdFSCtl_PC*", pfcFSctl);
125 
126  return &instance;
127 }
void * PrefetchThread(void *)
Definition: XrdPfc.cc:71
void * PurgeThread(void *)
Definition: XrdPfc.cc:59
void * ResourceMonitorHeartBeatThread(void *)
Definition: XrdPfc.cc:53
void * ProcessWriteTaskThread(void *)
Definition: XrdPfc.cc:65
void * GetPtr(const char *varname)
Definition: XrdOucEnv.cc:263
void PutPtr(const char *varname, void *value)
Definition: XrdOucEnv.cc:298
Attaches/creates and detaches/deletes cache-io objects for disk based cache.
Definition: XrdPfc.hh:267
bool Config(const char *config_filename, const char *parameters)
Parse configuration file.
const Configuration & RefConfiguration() const
Reference XrdPfc configuration.
Definition: XrdPfc.hh:315
static XrdScheduler * schedP
Definition: XrdPfc.hh:404
static int Run(pthread_t *, void *(*proc)(void *), void *arg, int opts=0, const char *desc=0)
int m_prefetch_max_blocks
maximum number of blocks to prefetch per file
Definition: XrdPfc.hh:106

References XrdPfc::Cache::Config(), XrdPfc::Cache::CreateInstance(), XrdOucEnv::GetPtr(), XrdPfc::Configuration::m_prefetch_max_blocks, PrefetchThread(), ProcessWriteTaskThread(), PurgeThread(), XrdOucEnv::PutPtr(), XrdPfc::Cache::RefConfiguration(), ResourceMonitorHeartBeatThread(), XrdSysThread::Run(), XrdSysError::Say(), XrdPfc::Cache::schedP, and XrdScheduler::Start().

Referenced by XrdPfc::Cache::Config().

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