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avoid open remote data source for fully cached files
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| // to compile g++ -o x.exe x.cc -I/afs/slac/package/xrootd/githead/xrootd/src -lXrdFileCache-4 -lXrdXrootd-4 | ||
| // | ||
| // | ||
| using namespace std; | ||
|
|
||
| #include <stdio.h> | ||
| #include <string> | ||
| #include <errno.h> | ||
| #include <iostream> | ||
| #include <fcntl.h> | ||
| #include <sys/types.h> | ||
| #include <sys/stat.h> | ||
| #include <unistd.h> | ||
| #include "XrdFileCache/XrdFileCachePrint.hh" | ||
| #include "XrdOuc/XrdOucEnv.hh" | ||
| #include "XrdOuc/XrdOucStream.hh" | ||
| #include "XrdOuc/XrdOucArgs.hh" | ||
| #include "XrdSys/XrdSysTrace.hh" | ||
| #include "XrdOfs/XrdOfsConfigPI.hh" | ||
| #include "XrdSys/XrdSysLogger.hh" | ||
| #include "XrdFileCache/XrdFileCacheInfo.hh" | ||
| #include "XrdOss/XrdOssApi.hh" | ||
|
|
||
| //______________________________________________________________________________ | ||
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|
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| std::string LocalRoot; | ||
| XrdOss *oss; | ||
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| std::string checkPFCcinfoInit(const char* confg) | ||
| { | ||
| XrdOucEnv myEnv; | ||
| XrdSysLogger log; | ||
| XrdSysError err(&log); | ||
|
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| XrdOucStream Config(&err, NULL, &myEnv, "=====> "); | ||
|
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| // suppress oss init messages | ||
| int efs = open("/dev/null",O_RDWR, 0); | ||
| XrdSysLogger ossLog(efs); | ||
| XrdSysError ossErr(&ossLog, "print"); | ||
| XrdOfsConfigPI *ofsCfg = XrdOfsConfigPI::New(0,&Config,&ossErr); | ||
| bool ossSucc = ofsCfg->Load(XrdOfsConfigPI::theOssLib); | ||
| if (ossSucc) | ||
| ofsCfg->Plugin(oss); | ||
| else | ||
| oss = NULL; | ||
|
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| int fd = open(confg, O_RDONLY, 0); | ||
| Config.Attach(fd); | ||
| int n = Config.FDNum(); | ||
| char *var; | ||
| while((var = Config.GetFirstWord())) | ||
| { | ||
| if (! strncmp(var,"oss.localroot", strlen("oss.localroot"))) | ||
| { | ||
| LocalRoot = Config.GetWord(); | ||
| return LocalRoot; | ||
| } | ||
| } | ||
| return NULL; | ||
| } | ||
|
|
||
| bool checkPFCcinfoIsComplete(std::string cinfofile) | ||
| { | ||
| bool rc; | ||
| XrdOucEnv myEnv; | ||
|
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| if (oss == NULL) return false; | ||
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| XrdOssFile* fh = (XrdOssFile*) oss->newFile("nobody"); | ||
| fh->Open(cinfofile.c_str(), O_RDONLY, 0600, myEnv); | ||
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| struct stat stBuf; | ||
| if (fh->Fstat(&stBuf)) return false; | ||
|
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||
| if (fh) | ||
| { | ||
| XrdSysTrace tr(""); tr.What = 2; | ||
| XrdFileCache::Info cfi(&tr); | ||
|
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| if (! cfi.Read(fh)) | ||
| rc = false; | ||
| else | ||
| rc = cfi.IsComplete(); | ||
| fh->Close(); | ||
| } | ||
| else | ||
| rc = false; | ||
| delete(fh); | ||
| return rc; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| std::string checkPFCcinfoInit(const char* confg); | ||
| bool checkPFCcinfoIsComplete(std::string cinfofile); |
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