Log of /trunk/net/net/inc/TGrid.h
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Revision
23091 -
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Modified
Wed Apr 9 15:04:27 2008 UTC (6 years, 9 months ago) by
rdm
File length: 6242 byte(s)
Copied from:
trunk/net/inc/TGrid.h revision 23090
Diff to
previous 20882
moving the follwing directories to "net":
alien, auth, glite, globusauth, krb5auth, ldap, monalisa, net, netx,
rootd, rpdutils, srputils, xrootd
Revision
15134 -
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Modified
Tue May 23 04:47:42 2006 UTC (8 years, 8 months ago) by
brun
Original Path:
trunk/net/inc/TGrid.h
File length: 5262 byte(s)
Diff to
previous 13982
From Federico Carminati:
"I have implemented all copy and equal operators needed to silence all
warnings in AliRoot, as requested. I have implemented shallow copies as
would do the default operators synthetized by the compiler.
Most operators are protected. If users complain, you just have to move
them into the public area, but class derivation is of course supported.
It has been a terrible job, I have modified 278 files, but the changes
are backward compabile, and this goes a long way to permitting user to
use the effc++ flag with root headers."
Revision
12825 -
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Modified
Fri Sep 23 13:04:53 2005 UTC (9 years, 4 months ago) by
rdm
Original Path:
trunk/net/inc/TGrid.h
File length: 5209 byte(s)
Diff to
previous 12471
From Andreas:
here are my modifications to interface the Grid file catalog
(AliEn in this case) with TChain data sets. Some changes are just
one-liner changes to make some base class things virtual or to set
some members. With these changes one can do:
// connect
TGrid::Connect("alien://");
// query
TGridResult* result = gGrid->Query("/alice/cern.ch/user/p/peters/analysis/miniesd/","*.root","","");
or
TGridResult* result = gGrid->Query("/alice/cern.ch/user/p/peters/analysis/miniesd/","*.root","","-l 50"); // to query maximum 50 files
result->Print(""); // or result->Print("l") or result->Print("all"); => Tells you also the complete size of the TDSet (the ALICE one is 68 GB)
// build chain for ALICE files
TChain* mychain = new TChain("esdTree","AliceSession");
// Get a list of FileInfo Objects
// -> I cannot use directly a list of FileInfo objects in TGridResult,
// because TGridResult can be also a list of jobs etc ....
TList* list = result->GetFileInfoList()
// add them to a chain
mychain->AddFileInfoList(list); // adds all
mychain->AddFileInfoList(list,10); // adds only the first 10
// to use PROOF then, you need to do
mychain->Lookup(); // open's all files via TAlienFile over
the redirector and replaces the
alien URL with the physical location
of the file on the cluster
(including the access token)
mychain->SetProof();
mychain->Draw("ESD.fTrigger");
Revision
11900 -
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Modified
Fri May 27 13:47:37 2005 UTC (9 years, 7 months ago) by
rdm
Original Path:
trunk/net/inc/TGrid.h
File length: 4407 byte(s)
Diff to
previous 11832
From Andreas Peters + me:
moved the file copy and merge API from TGrid to a stand-alone class
TFileMerger. This class allows for easy copying of two files using the
TFile plugins (i.e. it can copy from castor to dcap, or from xrootd to
chirp, etc.). It file merge functionality is taken from hadd. It is part
of libProof since that library is already linked with libHist and libTree.
To use it do, e.g.:
TFileMerger m
m->Cp("srcUrl", "destUrl")
or
m->AddFile("url1")
m->AddFile("url2")
m->Merge()
the AddFile() and Merge() use the Cp() to copy the file locally before
making the merge, and if the output file is remote the merged file
will be copied back to the remote destination.
Revision
11778 -
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Modified
Thu May 12 13:19:39 2005 UTC (9 years, 8 months ago) by
rdm
Original Path:
trunk/net/inc/TGrid.h
File length: 4174 byte(s)
Diff to
previous 7593
From Andreas and Derek:
modify the abstract grid interface to be smaller and more flexible.
Added abstract classes to describe Grid Jobs, JobStatus, JDL, file collections.
Removed specific PROOF interface which is not needed anymore.
Revision
7582 -
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Modified
Thu Nov 13 15:15:11 2003 UTC (11 years, 2 months ago) by
rdm
Original Path:
trunk/net/inc/TGrid.h
File length: 9195 byte(s)
Diff to
previous 4634
From Andreas Peters:
updated TGrid and related classes, and updated TAlien plugin for the AliEN grid.
To build the TAlien plugin one needs to install the AliEn client API lib.
How the basic TGrid class works with AliEn is described in the file
README/README.ALIEN.
Also provided is a Grid/AliEn controlled distribtution and startup system
for PROOF. This uses the TGridProof/TAlienProof classes and the LFN/PFN
information in the TDSet to find the AliEn sites where the data resides.
On these sites PROOF daemons (proofd) are started by AliEn (using an
interactive submission queue). Once the proofd's are running standard
PROOF is started which then connects to these proofd's. After that the
user performs his analysis, like on a local PROOF cluster.
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