XRootD
XrdPfc.cc File Reference
#include <fcntl.h>
#include <sstream>
#include <algorithm>
#include <sys/statvfs.h>
#include "XrdCl/XrdClURL.hh"
#include "XrdOuc/XrdOucEnv.hh"
#include "XrdOuc/XrdOucUtils.hh"
#include "XrdOuc/XrdOucPrivateUtils.hh"
#include "XrdSys/XrdSysTimer.hh"
#include "XrdSys/XrdSysTrace.hh"
#include "XrdSys/XrdSysXAttr.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"
#include "XrdPfcResourceMonitor.hh"
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Go to the source code of this file.

Functions

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

Variables

XrdSysXAttrXrdSysXAttrActive
 

Function Documentation

◆ PrefetchThread()

void* PrefetchThread ( void *  )

Definition at line 66 of file XrdPfc.cc.

67 {
68  Cache::GetInstance().Prefetch();
69  return 0;
70 }

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

Referenced by XrdOucGetCache().

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◆ ProcessWriteTaskThread()

void* ProcessWriteTaskThread ( void *  )

Definition at line 60 of file XrdPfc.cc.

61 {
62  Cache::GetInstance().ProcessWriteTasks();
63  return 0;
64 }

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

Referenced by XrdOucGetCache().

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◆ ResourceMonitorThread()

void* ResourceMonitorThread ( void *  )

Definition at line 54 of file XrdPfc.cc.

55 {
56  Cache::ResMon().main_thread_function();
57  return 0;
58 }

References XrdPfc::ResourceMonitor::main_thread_function(), and XrdPfc::Cache::ResMon().

Referenced by XrdOucGetCache().

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◆ XrdOucGetCache()

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

Definition at line 76 of file XrdPfc.cc.

80 {
81  XrdSysError err(logger, "");
82  err.Say("++++++ Proxy file cache initialization started.");
83 
84  if ( ! env ||
85  ! (XrdPfc::Cache::schedP = (XrdScheduler*) env->GetPtr("XrdScheduler*")))
86  {
89  }
90 
91  Cache &instance = Cache::CreateInstance(logger, env);
92 
93  if (! instance.Config(config_filename, parameters))
94  {
95  err.Say("Config Proxy file cache initialization failed.");
96  return 0;
97  }
98  err.Say("++++++ Proxy file cache initialization completed.");
99 
100  {
101  pthread_t tid;
102 
103  XrdSysThread::Run(&tid, ResourceMonitorThread, 0, 0, "XrdPfc ResourceMonitor");
104 
105  for (int wti = 0; wti < instance.RefConfiguration().m_wqueue_threads; ++wti)
106  {
107  XrdSysThread::Run(&tid, ProcessWriteTaskThread, 0, 0, "XrdPfc WriteTasks ");
108  }
109 
110  if (instance.RefConfiguration().m_prefetch_max_blocks > 0)
111  {
112  XrdSysThread::Run(&tid, PrefetchThread, 0, 0, "XrdPfc Prefetch ");
113  }
114  }
115 
116  XrdPfcFSctl* pfcFSctl = new XrdPfcFSctl(instance, logger);
117  env->PutPtr("XrdFSCtl_PC*", pfcFSctl);
118 
119  return &instance;
120 }
void * ResourceMonitorThread(void *)
Definition: XrdPfc.cc:54
void * PrefetchThread(void *)
Definition: XrdPfc.cc:66
void * ProcessWriteTaskThread(void *)
Definition: XrdPfc.cc:60
void * GetPtr(const char *varname)
Definition: XrdOucEnv.cc:281
void PutPtr(const char *varname, void *value)
Definition: XrdOucEnv.cc:316
Attaches/creates and detaches/deletes cache-io objects for disk based cache.
Definition: XrdPfc.hh:152
bool Config(const char *config_filename, const char *parameters)
Parse configuration file.
const Configuration & RefConfiguration() const
Reference XrdPfc configuration.
Definition: XrdPfc.hh:204
static XrdScheduler * schedP
Definition: XrdPfc.hh:290
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:113

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

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

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Variable Documentation

◆ XrdSysXAttrActive

XrdSysXAttr* XrdSysXAttrActive
extern