8#ifndef SRC_XRDCL_XRDCLECHANDLER_HH_
9#define SRC_XRDCL_XRDCLECHANDLER_HH_
93 std::vector<uint32_t> cksums;
97 cksums.reserve( nbpages );
99 size_t size = chunk->
length;
100 char *buffer =
reinterpret_cast<char*
>( chunk->
buffer );
102 for(
size_t pg = 0; pg < nbpages; ++pg )
105 if( pgsize > size ) pgsize = size;
107 cksums.push_back( crcval );
115 response->
Set( pages );
151 if(
objcfg->plgr.empty() )
154 if( !st.
IsOK() )
return st;
157 writer->Open( handler, timeout );
166 if(
objcfg->plgr.empty() )
169 if( !st.
IsOK() )
return st;
172 reader->Open( handler, timeout );
185 (void)url; (void)mode;
186 return Open( flags, handler, timeout );
203 std::string commit = redir.GetPath()
204 +
"?xrdec.objid=" + objcfg->obj
205 +
"&xrdec.close=true&xrdec.size=" + std::to_string( curroff );
208 std::string ckstype = cksHelper->GetType();
210 auto st = cksHelper->GetCheckSum( cksval, ckstype );
213 handler->HandleResponse( new XRootDStatus( st ), nullptr );
216 commit +=
"&xrdec.cksum=" + cksval;
218 Buffer arg; arg.FromString( commit );
233 handler->HandleResponse( st, rsp );
235 return XRootDStatus();
249 if( !objcfg->nomtfile )
250 return fs.Stat( redir.GetPath(), handler, timeout );
252 if( !force && statcache )
254 auto rsp = StatRsp( statcache->GetSize() );
255 Schedule( handler, rsp );
262 statcache->SetSize( writer->GetSize() );
263 auto rsp = StatRsp( statcache->GetSize() );
264 Schedule( handler, rsp );
271 statcache->SetSize( reader->GetSize() );
272 auto rsp = StatRsp( statcache->GetSize() );
273 Schedule( handler, rsp );
291 reader->Read( offset, size, buffer, handler, timeout );
318 cksHelper->Update( buffer, size );
322 writer->Write( size, buffer, handler );
333 std::vector<uint32_t> &cksums,
335 uint16_t timeout = 0 )
337 if(! cksums.empty() )
339 const char *data =
static_cast<const char*
>( buffer );
340 std::vector<uint32_t> local_cksums;
342 if (data)
delete data;
343 if (local_cksums != cksums)
346 return Write(offset, size, buffer, handler, timeout);
354 return writer || reader;
363 std::unique_ptr<LocationInfo> ptr( infoAll );
364 if( !st.
IsOK() )
return st;
367 std::unique_ptr<LocationInfo> ptr1( info );
372 if( info->
GetSize() < objcfg->nbchunks )
374 unsigned seed = std::chrono::system_clock::now().time_since_epoch().count();
375 shuffle (info->
Begin(), info->
End(), std::default_random_engine(seed));
376 for(
size_t i = 0; i < objcfg->nbchunks; ++i )
378 auto &location = info->
At( i );
379 objcfg->plgr.emplace_back(
"root://" + location.GetAddress() +
'/' );
388 std::unique_ptr<LocationInfo> ptr( info );
389 if( !st.
IsOK() )
return st;
391 if( info->
GetSize() < objcfg->nbdata )
394 uint64_t verNumMax = 0;
395 std::vector<uint64_t> verNums;
396 std::vector<std::string> xattrkeys;
397 std::vector<XrdCl::XAttr> xattrvals;
398 xattrkeys.push_back(
"xrdec.strpver");
399 for(
size_t i = 0; i < info->
GetSize(); ++i )
403 st = fs_i->
GetXAttr(path, xattrkeys, xattrvals, 0);
404 if (st.
IsOK() && ! xattrvals[0].value.empty())
406 std::stringstream sstream(xattrvals[0].value);
409 verNums.push_back(verNum);
410 if (verNum > verNumMax)
414 verNums.push_back(0);
419 for(
size_t i = 0; i < info->
GetSize(); ++i )
421 if ( verNums.at(i) == 0 || verNums.at(i) != verNumMax )
425 auto &location = info->
At( i );
426 objcfg->plgr.emplace_back(
"root://" + location.GetAddress() +
'/' );
428 if (n < objcfg->nbdata )
451 std::unique_ptr<XrdEc::StrmWriter>
writer;
469 std::vector<std::string> && plgr ) :
470 nbdta( nbdta ), nbprt( nbprt ), chsz( chsz ), plgr(
std::move( plgr ) )
489 objcfg->
plgr = std::move( plgr );
490 return new EcHandler( url, objcfg,
nullptr );
Definition XrdClAnyObject.hh:33
void Set(Type object, bool own=true)
Definition XrdClAnyObject.hh:59
void Get(Type &object)
Retrieve the object being held.
Definition XrdClAnyObject.hh:78
Binary blob representation.
Definition XrdClBuffer.hh:34
static PostMaster * GetPostMaster()
Get default post master.
Definition XrdClEcHandler.hh:123
static void Schedule(ResponseHandler *handler, AnyObject *rsp)
Definition XrdClEcHandler.hh:442
std::unique_ptr< XrdEc::Reader > reader
Definition XrdClEcHandler.hh:452
XRootDStatus LoadPlacement(const std::string &path)
Definition XrdClEcHandler.hh:384
XRootDStatus Close(ResponseHandler *handler, uint16_t timeout)
Definition XrdClEcHandler.hh:193
std::unique_ptr< XrdEc::ObjCfg > objcfg
Definition XrdClEcHandler.hh:450
FileSystem fs
Definition XrdClEcHandler.hh:449
XRootDStatus PgWrite(uint64_t offset, uint32_t size, const void *buffer, std::vector< uint32_t > &cksums, ResponseHandler *handler, uint16_t timeout=0)
Definition XrdClEcHandler.hh:330
XRootDStatus Open(const std::string &url, OpenFlags::Flags flags, Access::Mode mode, ResponseHandler *handler, uint16_t timeout)
Definition XrdClEcHandler.hh:179
XRootDStatus Write(uint64_t offset, uint32_t size, const void *buffer, ResponseHandler *handler, uint16_t timeout)
Definition XrdClEcHandler.hh:311
uint64_t curroff
Definition XrdClEcHandler.hh:453
XRootDStatus Stat(bool force, ResponseHandler *handler, uint16_t timeout)
Definition XrdClEcHandler.hh:244
bool IsOpen() const
Definition XrdClEcHandler.hh:352
static AnyObject * StatRsp(uint64_t size)
Definition XrdClEcHandler.hh:433
XRootDStatus Read(uint64_t offset, uint32_t size, void *buffer, ResponseHandler *handler, uint16_t timeout)
Definition XrdClEcHandler.hh:283
XRootDStatus PgRead(uint64_t offset, uint32_t size, void *buffer, ResponseHandler *handler, uint16_t timeout)
Definition XrdClEcHandler.hh:298
URL redir
Definition XrdClEcHandler.hh:448
std::unique_ptr< XrdEc::StrmWriter > writer
Definition XrdClEcHandler.hh:451
XRootDStatus Open(uint16_t flags, ResponseHandler *handler, uint16_t timeout)
Definition XrdClEcHandler.hh:140
std::unique_ptr< StatInfo > statcache
Definition XrdClEcHandler.hh:455
virtual ~EcHandler()
Definition XrdClEcHandler.hh:136
EcHandler(const URL &redir, XrdEc::ObjCfg *objcfg, std::unique_ptr< CheckSumHelper > cksHelper)
Definition XrdClEcHandler.hh:125
std::unique_ptr< CheckSumHelper > cksHelper
Definition XrdClEcHandler.hh:454
XRootDStatus LoadPlacement()
Definition XrdClEcHandler.hh:359
Definition XrdClEcHandler.hh:72
EcPgReadResponseHandler(ResponseHandler *a)
Definition XrdClEcHandler.hh:77
XrdCl::ResponseHandler * realHandler
Definition XrdClEcHandler.hh:74
void HandleResponse(XRootDStatus *status, AnyObject *rdresp)
Definition XrdClEcHandler.hh:80
Plugin factory.
Definition XrdClEcHandler.hh:463
uint64_t chsz
Definition XrdClEcHandler.hh:504
EcPlugInFactory(uint8_t nbdta, uint8_t nbprt, uint64_t chsz, std::vector< std::string > &&plgr)
Constructor.
Definition XrdClEcHandler.hh:468
std::vector< std::string > plgr
Definition XrdClEcHandler.hh:505
uint8_t nbdta
Definition XrdClEcHandler.hh:502
uint8_t nbprt
Definition XrdClEcHandler.hh:503
virtual FileSystemPlugIn * CreateFileSystem(const std::string &url)
Create a file system plug-in for the given URL.
Definition XrdClEcHandler.hh:496
virtual ~EcPlugInFactory()
Destructor.
Definition XrdClEcHandler.hh:477
virtual FilePlugIn * CreateFile(const std::string &u)
Create a file plug-in for the given URL.
Definition XrdClEcHandler.hh:484
An interface for file plug-ins.
Definition XrdClPlugInInterface.hh:39
An interface for file plug-ins.
Definition XrdClPlugInInterface.hh:284
Send file/filesystem queries to an XRootD cluster.
Definition XrdClFileSystem.hh:203
XRootDStatus Query(QueryCode::Code queryCode, const Buffer &arg, ResponseHandler *handler, uint16_t timeout=0) XRD_WARN_UNUSED_RESULT
XRootDStatus GetXAttr(const std::string &path, const std::vector< std::string > &attrs, ResponseHandler *handler, uint16_t timeout=0)
Definition XrdClEcHandler.hh:30
bool operator<(const FreeSpace &a) const
Definition XrdClEcHandler.hh:35
std::string address
Definition XrdClEcHandler.hh:32
uint64_t freeSpace
Definition XrdClEcHandler.hh:33
void Dump() const
Definition XrdClEcHandler.hh:39
FreeSpace()
Definition XrdClEcHandler.hh:34
void QueueJob(Job *job, void *arg=0)
Add a job to be run.
Definition XrdClJobManager.hh:92
Location.
Definition XrdClXRootDResponses.hh:70
const std::string & GetAddress() const
Get address.
Definition XrdClXRootDResponses.hh:86
Path location info.
Definition XrdClXRootDResponses.hh:44
uint32_t GetSize() const
Get number of locations.
Definition XrdClXRootDResponses.hh:152
Iterator Begin()
Get the location begin iterator.
Definition XrdClXRootDResponses.hh:168
Location & At(uint32_t index)
Get the location at index.
Definition XrdClXRootDResponses.hh:160
Iterator End()
Get the location end iterator.
Definition XrdClXRootDResponses.hh:184
Plugin factory.
Definition XrdClPlugInInterface.hh:549
JobManager * GetJobManager()
Get the job manager object user by the post master.
Handle an async response.
Definition XrdClXRootDResponses.hh:1126
static ResponseHandler * Wrap(std::function< void(XRootDStatus &, AnyObject &)> func)
virtual void HandleResponse(XRootDStatus *status, AnyObject *response)
Definition XrdClXRootDResponses.hh:1155
Call the user callback.
Definition XrdClResponseJob.hh:31
Definition XrdClEcHandler.hh:45
uint64_t GetFreeSpace(const std::string addr)
void SelectLocations(XrdCl::LocationInfo &oldList, XrdCl::LocationInfo &newList, uint32_t n)
void AddServers(XrdCl::LocationInfo &locInfo)
std::vector< std::string > ExportPaths
Definition XrdClEcHandler.hh:57
std::mutex lock
Definition XrdClEcHandler.hh:60
std::vector< FreeSpace > ServerList
Definition XrdClEcHandler.hh:56
int xRatio
Definition XrdClEcHandler.hh:59
bool Exists(XrdCl::LocationInfo::Location &loc)
time_t lastUpdateT
Definition XrdClEcHandler.hh:58
bool initExportPaths
Definition XrdClEcHandler.hh:61
void TryInitExportPaths()
~ServerSpaceInfo()
Definition XrdClEcHandler.hh:48
Object stat info.
Definition XrdClXRootDResponses.hh:400
void SetSize(uint64_t size)
Set size.
URL representation.
Definition XrdClURL.hh:31
const std::string & GetPath() const
Get the path.
Definition XrdClURL.hh:212
Request status.
Definition XrdClXRootDResponses.hh:219
bool enable_plugins
Definition XrdEcConfig.hh:77
static Config & Instance()
Singleton access.
Definition XrdEcConfig.hh:46
Definition XrdEcReader.hh:59
Definition XrdEcStrmWriter.hh:53
static uint32_t Calc32C(const void *data, size_t count, uint32_t prevcs=0)
static void csCalc(const char *data, off_t offs, size_t count, uint32_t *csval)
Definition XrdClAction.hh:34
ReadImpl< false > Read(Ctx< File > file, Arg< uint64_t > offset, Arg< uint32_t > size, Arg< void * > buffer, uint16_t timeout=0)
Factory for creating ReadImpl objects.
Definition XrdClFileOperations.hh:273
const uint16_t stError
An error occurred that could potentially be retried.
Definition XrdClStatus.hh:32
const uint16_t errInternal
Internal error.
Definition XrdClStatus.hh:56
const uint16_t errInvalidOp
Definition XrdClStatus.hh:51
EcHandler * GetEcHandler(const URL &headnode, const URL &redirurl)
const uint16_t errInvalidArgs
Definition XrdClStatus.hh:58
WriteImpl< false > Write(Ctx< File > file, Arg< uint64_t > offset, Arg< uint32_t > size, Arg< const void * > buffer, uint16_t timeout=0)
Factory for creating WriteImpl objects.
Definition XrdClFileOperations.hh:591
const uint16_t errNotSupported
Definition XrdClStatus.hh:62
static const int PageSize
Definition XrdSysPageSize.hh:36
Definition XrdOucJson.hh:4517
Mode
Access mode.
Definition XrdClFileSystem.hh:122
Describe a data chunk for vector read.
Definition XrdClXRootDResponses.hh:917
void * buffer
length of the chunk
Definition XrdClXRootDResponses.hh:950
uint32_t length
offset in the file
Definition XrdClXRootDResponses.hh:949
uint64_t offset
Definition XrdClXRootDResponses.hh:948
Flags
Open flags, may be or'd when appropriate.
Definition XrdClFileSystem.hh:76
@ Delete
Definition XrdClFileSystem.hh:80
@ Read
Open only for reading.
Definition XrdClFileSystem.hh:95
@ New
Definition XrdClFileSystem.hh:86
@ Write
Open only for writing.
Definition XrdClFileSystem.hh:97
@ None
Nothing.
Definition XrdClFileSystem.hh:77
@ Update
Open for reading and writing.
Definition XrdClFileSystem.hh:96
Definition XrdClXRootDResponses.hh:956
@ OpaqueFile
Implementation dependent.
Definition XrdClFileSystem.hh:58
bool IsOK() const
We're fine.
Definition XrdClStatus.hh:124
Definition XrdEcObjCfg.hh:34
std::vector< std::string > plgr
Definition XrdEcObjCfg.hh:92