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XrdOfsConfig.cc
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XrdOfsConfig.cc
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/******************************************************************************/
/* */
/* X r d O f s C o n f i g . c c */
/* */
/* (C) 2010 by the Board of Trustees of the Leland Stanford, Jr., University */
/* All Rights Reserved */
/* Produced by Andrew Hanushevsky for Stanford University under contract */
/* DE-AC02-76-SFO0515 with the Deprtment of Energy */
/* */
/* This file is part of the XRootD software suite. */
/* */
/* XRootD is free software: you can redistribute it and/or modify it under */
/* the terms of the GNU Lesser General Public License as published by the */
/* Free Software Foundation, either version 3 of the License, or (at your */
/* option) any later version. */
/* */
/* XRootD is distributed in the hope that it will be useful, but WITHOUT */
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
/* License for more details. */
/* */
/* You should have received a copy of the GNU Lesser General Public License */
/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
/* */
/* The copyright holder's institutional names and contributor's names may not */
/* be used to endorse or promote products derived from this software without */
/* specific prior written permission of the institution or contributor. */
/******************************************************************************/
#include <unistd.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <netdb.h>
#include <stdlib.h>
#include <strings.h>
#include <stdio.h>
#include <netinet/in.h>
#include <sys/param.h>
#include <sys/stat.h>
#include "XrdVersion.hh"
#include "XProtocol/XProtocol.hh"
#include "XrdCks/XrdCks.hh"
#include "XrdNet/XrdNetUtils.hh"
#include "XrdSfs/XrdSfsFlags.hh"
#include "XrdOfs/XrdOfs.hh"
#include "XrdOfs/XrdOfsConfigPI.hh"
#include "XrdOfs/XrdOfsEvs.hh"
#include "XrdOfs/XrdOfsPoscq.hh"
#include "XrdOfs/XrdOfsStats.hh"
#include "XrdOfs/XrdOfsTPC.hh"
#include "XrdOfs/XrdOfsTrace.hh"
#include "XrdOss/XrdOss.hh"
#include "XrdOuc/XrdOuca2x.hh"
#include "XrdOuc/XrdOucEnv.hh"
#include "XrdSys/XrdSysError.hh"
#include "XrdSys/XrdSysHeaders.hh"
#include "XrdOuc/XrdOucNSWalk.hh"
#include "XrdOuc/XrdOucStream.hh"
#include "XrdOuc/XrdOucTrace.hh"
#include "XrdOuc/XrdOucUtils.hh"
#include "XrdNet/XrdNetAddr.hh"
#include "XrdCms/XrdCmsClient.hh"
#include "XrdCms/XrdCmsFinder.hh"
#include "XrdCms/XrdCmsRole.hh"
#include "XrdAcc/XrdAccAuthorize.hh"
/******************************************************************************/
/* G l o b a l O b j e c t s */
/******************************************************************************/
extern XrdOfsStats OfsStats;
extern XrdOucTrace OfsTrace;
class XrdOss;
extern XrdOss *XrdOfsOss;
class XrdScheduler;
XrdScheduler *ofsSchedP;
XrdVERSIONINFO(XrdOfs,XrdOfs);
namespace
{
XrdOfsTPC::iParm Parms; // TPC parameters
int SetMode(const char *path, mode_t mode) {return chmod(path, mode);}
}
/******************************************************************************/
/* d e f i n e s */
/******************************************************************************/
#define TS_Xeq(x,m) if (!strcmp(x,var)) return m(Config,Eroute);
#define TS_XPI(x,m) if (!strcmp(x,var))\
return !ofsConfig->Parse(XrdOfsConfigPI:: m);
#define TS_Str(x,m) if (!strcmp(x,var)) {free(m); m = strdup(val); return 0;}
#define TS_PList(x,m) if (!strcmp(x,var)) \
{m.Insert(new XrdOucPList(val,1)); return 0;}
#define TS_Chr(x,m) if (!strcmp(x,var)) {m = val[0]; return 0;}
#define TS_Bit(x,m,v) if (!strcmp(x,var)) {m |= v; Config.Echo(); return 0;}
#define Max(x,y) (x > y ? x : y)
/******************************************************************************/
/* g e t V e r s i o n */
/******************************************************************************/
const char *XrdOfs::getVersion() {return XrdVERSION;}
/******************************************************************************/
/* C o n f i g u r e */
/******************************************************************************/
int XrdOfs::Configure(XrdSysError &Eroute) {return Configure(Eroute, 0);}
int XrdOfs::Configure(XrdSysError &Eroute, XrdOucEnv *EnvInfo) {
/*
Function: Establish default values using a configuration file.
Input: None.
Output: 0 upon success or !0 otherwise.
*/
char *var;
const char *tmp;
int cfgFD, retc, NoGo = 0;
XrdOucEnv myEnv;
XrdOucStream Config(&Eroute, getenv("XRDINSTANCE"), &myEnv, "=====> ");
// Print warm-up message
//
Eroute.Say("++++++ File system initialization started.");
// Start off with no POSC log. Note that XrdSfsGetDefaultFileSystem nakes sure
// that we are configured only once.
//
poscLog = NULL;
// Establish the network interface that the caller must provide
//
if (!EnvInfo || !(myIF = (XrdNetIF *)EnvInfo->GetPtr("XrdNetIF*")))
{Eroute.Emsg("Finder", "Network i/f undefined; unable to self-locate.");
NoGo = 1;
}
ofsSchedP = (XrdScheduler *)EnvInfo->GetPtr("XrdScheduler*");
// Preset all variables with common defaults
//
Options = 0;
if (getenv("XRDDEBUG")) OfsTrace.What = TRACE_MOST | TRACE_debug;
// Allocate a our plugin configurator
//
ofsConfig = XrdOfsConfigPI::New(ConfigFN, &Config, &Eroute, 0, this);
// If there is no config file, return with the defaults sets.
//
if( !ConfigFN || !*ConfigFN)
Eroute.Emsg("Config", "Configuration file not specified.");
else {
// Try to open the configuration file.
//
if ( (cfgFD = open(ConfigFN, O_RDONLY, 0)) < 0)
return Eroute.Emsg("Config", errno, "open config file",
ConfigFN);
Config.Attach(cfgFD);
static const char *cvec[] = {"*** ofs plugin config:",0};
Config.Capture(cvec);
// Now start reading records until eof.
//
while((var = Config.GetMyFirstWord()))
{if (!strncmp(var, "ofs.", 4)
|| !strcmp(var, "all.role")
|| !strcmp(var, "all.subcluster"))
{if (ConfigXeq(var+4,Config,Eroute)) {Config.Echo();NoGo=1;}}
else if (!strcmp(var, "oss.defaults")
|| !strcmp(var, "all.export"))
{xexp(Config, Eroute, *var == 'a');
Config.noEcho();
}
}
// Now check if any errors occured during file i/o
//
if ((retc = Config.LastError()))
NoGo = Eroute.Emsg("Config", -retc, "read config file",
ConfigFN);
Config.Close();
}
// If no exports were specified, the default is that we are writable
//
if (ossRW == ' ') ossRW = 'w';
// Export our role if we actually have one
//
if (myRole) XrdOucEnv::Export("XRDROLE", myRole);
// Set the redirect option for other layers
//
if (Options & isManager)
XrdOucEnv::Export("XRDREDIRECT", (Options & isMeta ? "M" : "R"));
else XrdOucEnv::Export("XRDREDIRECT", "0");
// If we are a proxy, then figure out where the prosy storge system resides
//
if ((Options & isProxy) && !(Options & isManager))
{char buff[2048], *bp, *libofs = getenv("XRDOFSLIB");
if (!libofs) bp = buff;
else {strcpy(buff, libofs); bp = buff+strlen(buff)-1;
while(bp != buff && *(bp-1) != '/') bp--;
}
strcpy(bp, "libXrdPss.so");
ofsConfig->Default(XrdOfsConfigPI::theOssLib, buff, 0);
ofsConfig->Default(XrdOfsConfigPI::theCksLib, buff, 0);
}
// Configure third party copy but only if we are not a manager
//
if ((Options & ThirdPC) && !(Options & isManager))
NoGo |= ConfigTPC(Eroute);
// We need to do pre-initialization for event recording as the oss needs some
// environmental information from that initialization to initialize the frm,
// should it need to be used. We will do full evr initialization after the oss
// and the finder are initialized. A bit messy in the current plug-in world.
//
if (!(Options & isManager) && !evrObject.Init(&Eroute)) NoGo = 1;
// Determine whether we should load authorization
//
int piOpts = XrdOfsConfigPI::allXXXLib;
if (!(Options & Authorize)) piOpts &= ~XrdOfsConfigPI::theAutLib;
// We need to export plugins to other protocols which means we need to
// record them in the outmost environment. So get it.
//
XrdOucEnv *xrdEnv = 0;
if (EnvInfo) xrdEnv = (XrdOucEnv*)EnvInfo->GetPtr("xrdEnv*");
// Now load all of the required plugins
//
if (!ofsConfig->Load(piOpts, EnvInfo)) NoGo = 1;
else {ofsConfig->Plugin(XrdOfsOss);
ossFeatures = XrdOfsOss->Features();
if (xrdEnv) xrdEnv->PutPtr("XrdOss*", XrdOfsOss);
ofsConfig->Plugin(Cks);
CksPfn = !ofsConfig->OssCks();
CksRdr = !ofsConfig->LclCks();
if (ofsConfig->Plugin(prepHandler))
{prepAuth = ofsConfig->PrepAuth();
FeatureSet |= XrdSfs::hasPRP2;
}
if (Options & Authorize)
{ofsConfig->Plugin(Authorization);
XrdOfsTPC::Init(Authorization);
if (xrdEnv) xrdEnv->PutPtr("XrdAccAuthorize*",Authorization);
FeatureSet |= XrdSfs::hasAUTZ;
}
}
// Extract out the export list should it have been supplied by the oss plugin
//
ossRPList = (XrdOucPListAnchor *)EnvInfo->GetPtr("XrdOssRPList*");
// Initialize redirection. We type te herald here to minimize confusion
//
if (Options & haveRole)
{Eroute.Say("++++++ Configuring ", myRole, " role. . .");
if (ConfigRedir(Eroute, EnvInfo))
{Eroute.Emsg("Config", "Unable to create cluster management client.");
NoGo = 1;
}
}
// Initialize the FSctl plugin if we have one. Note that we needed to defer
// until now because we needed to configure the cms plugin first (see above).
//
if (ofsConfig->Plugin(FSctl_PI) && !ofsConfig->ConfigCtl(Finder, EnvInfo))
{Eroute.Emsg("Config", "Unable to configure FSctl plugin.");
NoGo = 1;
}
// Initialize th Evr object if we are an actual server
//
if (!(Options & isManager) && !evrObject.Init(Balancer)) NoGo = 1;
// Turn off forwarding if we are not a pure remote redirector or a peer
//
if (Options & Forwarding)
{const char *why = 0;
if (!(Options & Authorize)) why = "authorization not enabled";
else if (!(Options & isPeer) && (Options & (isServer | isProxy)))
why = "not a pure manager";
if (why)
{Eroute.Say("Config warning: forwarding turned off; ", why);
Options &= ~(Forwarding);
fwdCHMOD.Reset(); fwdMKDIR.Reset(); fwdMKPATH.Reset();
fwdMV.Reset(); fwdRM.Reset(); fwdRMDIR.Reset();
fwdTRUNC.Reset();
}
}
// If we need to send notifications, initialize the interface
//
if (!NoGo && evsObject) NoGo = evsObject->Start(&Eroute);
// If POSC processing is enabled (as by default) do it. Warning! This must be
// the last item in the configuration list as we need a working filesystem.
// Note that in proxy mode we always disable posc!
//
if (getenv("XRDXROOTD_NOPOSC"))
{if (poscAuto != -1 && !NoGo)
Eroute.Say("Config POSC has been disabled by the osslib plugin.");
} else if (poscAuto != -1 && !NoGo) NoGo |= ConfigPosc(Eroute);
// If the OSS plugin is really a proxy. If it is, it will export its origin.
// We also suppress translating lfn to pfn (usually done via osslib +cksio).
//
if (getenv("XRDXROOTD_PROXY"))
{OssIsProxy = 1;
CksPfn = false;
FeatureSet |= XrdSfs::hasPRXY;
}
// Setup statistical monitoring
//
OfsStats.setRole(myRole);
// Display final configuration
//
if (!NoGo) Config_Display(Eroute);
delete ofsConfig; ofsConfig = 0;
// All done
//
tmp = (NoGo ? " initialization failed." : " initialization completed.");
Eroute.Say("------ File system ", myRole, tmp);
return NoGo;
}
/******************************************************************************/
/* C o n f i g _ D i s p l a y */
/******************************************************************************/
#define setBuff(x,y) {strcpy(bp, x); bp += y;}
void XrdOfs::Config_Display(XrdSysError &Eroute)
{
const char *cloc, *pval;
char buff[8192], fwbuff[512], *bp;
int i;
if (!ConfigFN || !ConfigFN[0]) cloc = "default";
else cloc = ConfigFN;
if (!poscQ) pval = "off";
else pval = (poscAuto ? "auto" : "manual");
snprintf(buff, sizeof(buff), "Config effective %s ofs configuration:\n"
" all.role %s\n"
"%s"
" ofs.maxdelay %d\n"
" ofs.persist %s hold %d%s%s\n"
" ofs.trace %x",
cloc, myRole,
(Options & Authorize ? " ofs.authorize\n" : ""),
MaxDelay,
pval, poscHold, (poscLog ? " logdir " : ""),
(poscLog ? poscLog : ""), OfsTrace.What);
Eroute.Say(buff);
ofsConfig->Display();
if (Options & Forwarding)
{*fwbuff = 0;
if (ConfigDispFwd(buff, fwdCHMOD))
{Eroute.Say(buff); strcat(fwbuff, " ch");}
if (ConfigDispFwd(buff, fwdMKDIR))
{Eroute.Say(buff); strcat(fwbuff, " mk");}
if (ConfigDispFwd(buff, fwdMV))
{Eroute.Say(buff); strcat(fwbuff, " mv");}
if (ConfigDispFwd(buff, fwdRM))
{Eroute.Say(buff); strcat(fwbuff, " rm");}
if (ConfigDispFwd(buff, fwdRMDIR))
{Eroute.Say(buff); strcat(fwbuff, " rd");}
if (ConfigDispFwd(buff, fwdTRUNC))
{Eroute.Say(buff); strcat(fwbuff, " tr");}
if (*fwbuff) XrdOucEnv::Export("XRDOFS_FWD", fwbuff);
}
if (evsObject)
{bp = buff;
setBuff(" ofs.notify ", 18); // 1234567890
if (evsObject->Enabled(XrdOfsEvs::Chmod)) setBuff("chmod ", 6);
if (evsObject->Enabled(XrdOfsEvs::Closer)) setBuff("closer ", 7);
if (evsObject->Enabled(XrdOfsEvs::Closew)) setBuff("closew ", 7);
if (evsObject->Enabled(XrdOfsEvs::Create)) setBuff("create ", 7);
if (evsObject->Enabled(XrdOfsEvs::Mkdir)) setBuff("mkdir ", 6);
if (evsObject->Enabled(XrdOfsEvs::Mv)) setBuff("mv ", 3);
if (evsObject->Enabled(XrdOfsEvs::Openr)) setBuff("openr ", 6);
if (evsObject->Enabled(XrdOfsEvs::Openw)) setBuff("openw ", 6);
if (evsObject->Enabled(XrdOfsEvs::Rm)) setBuff("rm ", 3);
if (evsObject->Enabled(XrdOfsEvs::Rmdir)) setBuff("rmdir ", 6);
if (evsObject->Enabled(XrdOfsEvs::Trunc)) setBuff("trunc ", 6);
if (evsObject->Enabled(XrdOfsEvs::Fwrite)) setBuff("fwrite ", 7);
setBuff("msgs ", 5);
i=sprintf(fwbuff,"%d %d ",evsObject->maxSmsg(),evsObject->maxLmsg());
setBuff(fwbuff, i);
cloc = evsObject->Prog();
if (*cloc != '>') setBuff("|",1);
setBuff(cloc, strlen(cloc));
setBuff("\0", 1);
Eroute.Say(buff);
}
}
/******************************************************************************/
/* p r i v a t e f u n c t i o n s */
/******************************************************************************/
/******************************************************************************/
/* C o n f i g D i s p F w d */
/******************************************************************************/
int XrdOfs::ConfigDispFwd(char *buff, struct fwdOpt &Fwd)
{
const char *cP;
char pbuff[16], *bp;
// Return if this is not being forwarded
//
if (!(cP = Fwd.Cmd)) return 0;
bp = buff;
setBuff(" ofs.forward ", 19);
// Chck which way this is being forwarded
//
if (*Fwd.Cmd == '+'){setBuff("2way ",5); cP++;}
else if (!Fwd.Port) {setBuff("1way ",5);}
else { setBuff("3way ",5);
if (Fwd.Port < 0) {setBuff("local ",6);}
else {int n = sprintf(pbuff, ":%d ", Fwd.Port);
setBuff(Fwd.Host, strlen(Fwd.Host));
setBuff(pbuff, n);
}
}
setBuff(cP, strlen(cP));
return 1;
}
/******************************************************************************/
/* C o n f i g P o s c */
/******************************************************************************/
int XrdOfs::ConfigPosc(XrdSysError &Eroute)
{
extern XrdOfs* XrdOfsFS;
const int AMode = S_IRWXU|S_IRWXG|S_IROTH|S_IXOTH; // 775
class CloseFH : public XrdOfsHanCB
{public: void Retired(XrdOfsHandle *hP) {XrdOfsFS->Unpersist(hP);}};
static XrdOfsHanCB *hCB = static_cast<XrdOfsHanCB *>(new CloseFH);
XrdOfsPoscq::recEnt *rP, *rPP;
XrdOfsPoscq::Request *qP;
XrdOfsHandle *hP;
const char *iName;
char pBuff[MAXPATHLEN], *aPath;
int NoGo, rc;
// Construct the proper path to the recovery file
//
iName = XrdOucUtils::InstName(-1);
if (poscLog) aPath = XrdOucUtils::genPath(poscLog, iName, ".ofs/posc.log");
else {if (!(aPath = getenv("XRDADMINPATH")))
{XrdOucUtils::genPath(pBuff, MAXPATHLEN, "/tmp", iName);
aPath = pBuff;
}
aPath = XrdOucUtils::genPath(aPath, (char *)0, ".ofs/posc.log");
}
rc = strlen(aPath)-1;
if (aPath[rc] == '/') aPath[rc] = '\0';
free(poscLog); poscLog = aPath;
// Make sure directory path exists
//
if ((rc = XrdOucUtils::makePath(poscLog, AMode)))
{Eroute.Emsg("Config", rc, "create path for", poscLog);
return 1;
}
// Create object then initialize it
//
poscQ = new XrdOfsPoscq(&Eroute, XrdOfsOss, poscLog, int(poscSync));
rP = poscQ->Init(rc);
if (!rc) return 1;
// Get file handles and put then in pending delete for all recovered records
//
NoGo = 0;
while(rP)
{qP = &(rP->reqData);
if (qP->addT && poscHold)
{if (XrdOfsHandle::Alloc(qP->LFN, XrdOfsHandle::opPC, &hP))
{Eroute.Emsg("Config", "Unable to persist", qP->User, qP->LFN);
qP->addT = 0;
} else {
hP->PoscSet(qP->User, rP->Offset, rP->Mode);
hP->Retire(hCB, poscHold);
}
}
if (!(qP->addT) || !poscHold)
{if ((rc = XrdOfsOss->Unlink(qP->LFN)) && rc != -ENOENT)
{Eroute.Emsg("Config", rc, "unpersist", qP->LFN); NoGo = 1;}
else {Eroute.Emsg("Config", "Unpersisted", qP->User, qP->LFN);
poscQ->Del(qP->LFN, rP->Offset);
}
}
rPP = rP; rP = rP->Next; delete rPP;
}
// All done
//
if (!NoGo) FeatureSet |= XrdSfs::hasPOSC;
return NoGo;
}
/******************************************************************************/
/* C o n f i g R e d i r */
/******************************************************************************/
int XrdOfs::ConfigRedir(XrdSysError &Eroute, XrdOucEnv *EnvInfo)
{
XrdCmsClient_t CmsPI;
XrdSysLogger *myLogger = Eroute.logger();
int isRedir = Options & isManager;
int RMTopts = (Options & isServer ? XrdCms::IsTarget : 0)
| (Options & isProxy ? XrdCms::IsProxy : 0)
| (Options & isMeta ? XrdCms::IsMeta : 0);
int TRGopts = (Options & isProxy ? XrdCms::IsProxy : 0)
| (isRedir ? XrdCms::IsRedir : 0) | XrdCms::IsTarget;
// Get the cms object creator plugin
//
ofsConfig->Plugin(CmsPI);
// For manager roles, we simply do a standard config
//
if (isRedir)
{ if (CmsPI) Finder = CmsPI(myLogger, RMTopts, myPort, XrdOfsOss);
else if (XrdCmsFinderRMT::VCheck(XrdVERSIONINFOVAR(XrdOfs)))
Finder = (XrdCmsClient *)new XrdCmsFinderRMT(myLogger,
RMTopts,myPort);
else return 1;
if (!Finder) return 1;
if (!ofsConfig->Configure(Finder, EnvInfo))
{delete Finder; Finder = 0; return 1;}
if (EnvInfo) EnvInfo->PutPtr("XRDCMSMANLIST", Finder->Managers());
}
// If we are a subcluster for another cluster then we can only be so if we
// are a pure manager. If a subcluster directive was encountered and this is
// not true we need to turn that off here. Subclusters need a target finder
// just like supervisors eventhough we are not a supervisor.
//
if ((Options & haveRole) != isManager) Options &= ~SubCluster;
// For server roles find the port number and create the object. We used to pass
// the storage system object to the finder to allow it to process cms storage
// requests. The cms no longer sends such requests so there is no need to do
// so. And, in fact, we need to defer creating a storage system until after the
// finder is created. So, it's just as well we pass a numm pointer. At some
// point the finder should remove all storage system related code.
//
if (Options & (isServer | SubCluster | (isPeer & ~isManager)))
{if (!myPort)
{Eroute.Emsg("Config", "Unable to determine server's port number.");
return 1;
}
if (CmsPI) Balancer = CmsPI(myLogger, TRGopts, myPort, XrdOfsOss);
else if (XrdCmsFinderTRG::VCheck(XrdVERSIONINFOVAR(XrdOfs)))
Balancer = (XrdCmsClient *)new XrdCmsFinderTRG(myLogger,
TRGopts,myPort);
else return 1;
if (!Balancer) return 1;
if (!ofsConfig->Configure(Balancer, EnvInfo))
{delete Balancer; Balancer = 0; return 1;}
if (Options & (isProxy | SubCluster))
Balancer = 0; // No chatting for proxies or subclusters
}
// All done
//
return 0;
}
/******************************************************************************/
/* C o n f i g T P C */
/******************************************************************************/
int XrdOfs::ConfigTPC(XrdSysError &Eroute)
{
// Check if we need to configure rge credentials directory
//
if (Parms.fCreds)
{char *cpath = Parms.cpath;
if (!(Parms.cpath = ConfigTPCDir(Eroute, cpath))) return 1;
free(cpath);
}
// Initialize the TPC object
//
XrdOfsTPC::Init(Parms);
// Start TPC operations
//
return (XrdOfsTPC::Start() ? 0 : 1);
}
/******************************************************************************/
/* C o n f i g T P C D i r */
/******************************************************************************/
char *XrdOfs::ConfigTPCDir(XrdSysError &Eroute, const char *xPath)
{
const int AMode = S_IRWXU|S_IRWXG|S_IROTH|S_IXOTH; // 775
const int BMode = S_IRWXU| S_IRGRP|S_IXGRP; // 750
const char *iName;
char pBuff[MAXPATHLEN], *aPath;
int rc;
// Construct the proper path to stored credentials
//
iName = XrdOucUtils::InstName(-1);
if (xPath) aPath = XrdOucUtils::genPath(xPath, iName, ".ofs/.tpccreds/");
else {if (!(aPath = getenv("XRDADMINPATH")))
{XrdOucUtils::genPath(pBuff, MAXPATHLEN, "/tmp", iName);
aPath = pBuff;
}
aPath = XrdOucUtils::genPath(aPath, (char *)0, ".ofs/.tpccreds/");
}
// Make sure directory path exists
//
if ((rc = XrdOucUtils::makePath(aPath, AMode)))
{Eroute.Emsg("Config", rc, "create TPC path", aPath);
free(aPath);
return 0;
}
// Protect the last component
//
if (SetMode(aPath, BMode))
{Eroute.Emsg("Config", errno, "protect TPC path", aPath);
free(aPath);
return 0;
}
// list the contents of teh directory
//
XrdOucNSWalk nsWalk(&Eroute, aPath, 0, XrdOucNSWalk::retFile);
XrdOucNSWalk::NSEnt *nsX, *nsP = nsWalk.Index(rc);
if (rc)
{Eroute.Emsg("Config", rc, "list TPC path", aPath);
free(aPath);
return 0;
}
// Remove directory contents of all files
//
bool isBad = false;
while((nsX = nsP))
{nsP = nsP->Next;
if (unlink(nsX->Path))
{Eroute.Emsg("Config", errno, "remove TPC creds", nsX->Path);
isBad = true;
}
delete nsX;
}
// Check if all went well
//
if (isBad) {free(aPath); return 0;}
// All done
//
return aPath;
}
/******************************************************************************/
/* C o n f i g X e q */
/******************************************************************************/
int XrdOfs::ConfigXeq(char *var, XrdOucStream &Config,
XrdSysError &Eroute)
{
char *val, vBuff[64];
// Now assign the appropriate global variable
//
TS_Bit("authorize", Options, Authorize);
TS_XPI("authlib", theAutLib);
TS_XPI("ckslib", theCksLib);
TS_Xeq("cksrdsz", xcrds);
TS_XPI("cmslib", theCmsLib);
TS_XPI("ctllib", theCtlLib);
TS_Xeq("dirlist", xdirl);
TS_Xeq("forward", xforward);
TS_Xeq("maxdelay", xmaxd);
TS_Xeq("notify", xnot);
TS_Xeq("notifymsg", xnmsg);
TS_XPI("osslib", theOssLib);
TS_Xeq("persist", xpers);
TS_XPI("preplib", thePrpLib);
TS_Xeq("role", xrole);
TS_Xeq("tpc", xtpc);
TS_Xeq("trace", xtrace);
TS_Xeq("xattr", xatr);
TS_XPI("xattrlib", theAtrLib);
// Screen out the subcluster directive (we need to track that)
//
TS_Bit("subcluster",Options,SubCluster);
// Get the actual value for simple directives
//
strlcpy(vBuff, var, sizeof(vBuff)); var = vBuff;
if (!(val = Config.GetWord()))
{Eroute.Emsg("Config", "value not specified for", var); return 1;}
// No match found, complain.
//
Eroute.Say("Config warning: ignoring unknown directive '",var,"'.");
Config.Echo();
return 0;
}
/******************************************************************************/
/* x c r d s */
/******************************************************************************/
/* Function: xcrds
Purpose: To parse the directive: cksrdsz <size>
<size> number of bytes to segment reads when calclulating a
checksum. Can be suffixed by k,m,g. Maximum is 1g and
is automatically set to be atleast 64k and to be a
multiple of 64k.
Output: 0 upon success or !0 upon failure.
*/
int XrdOfs::xcrds(XrdOucStream &Config, XrdSysError &Eroute)
{
static const long long maxRds = 1024*1024*1024;
char *val;
long long rdsz;
// Get the size
//
if (!(val = Config.GetWord()) || !val[0])
{Eroute.Emsg("Config", "cksrdsz size not specified"); return 1;}
// Now convert it
//
if (XrdOuca2x::a2sz(Eroute, "cksrdsz size", val, &rdsz, 1, maxRds)) return 1;
ofsConfig->SetCksRdSz(static_cast<int>(rdsz));
return 0;
}
/******************************************************************************/
/* x d i r l */
/******************************************************************************/
/* Function: xdirl
Purpose: To parse the directive: dirlist {local | remote}
local processes directory listings locally. The oss plugin
must be capable of doing this. This is the default.
remote if clustering is enabled, directory listings are
processed as directed by the cmsd.
Output: 0 upon success or !0 upon failure.
*/
int XrdOfs::xdirl(XrdOucStream &Config, XrdSysError &Eroute)
{
char *val;
// Get the parameter
//
if (!(val = Config.GetWord()) || !val[0])
{Eroute.Emsg("Config", "dirlist parameter not specified"); return 1;}
// Set appropriate option
//
if (!strcmp(val, "local")) DirRdr = false;
else if (!strcmp(val, "remote")) DirRdr = true;
else {Eroute.Emsg("Config", "Invalid dirlist parameter -", val); return 1;}
return 0;
}
/******************************************************************************/
/* x e x p */
/******************************************************************************/
/* Function: xexp
Purpose: To prescan the all.export and oss.defaults directives to determine
if we have any writable paths.
Output: 0 upon success or !0 upon failure.
*/
int XrdOfs::xexp(XrdOucStream &Config, XrdSysError &Eroute, bool isExport)
{
static struct rwOpts {const char *opname; int isRW;} rwtab[] =
{{"r/o", 0}, {"readonly", 0},
{"forcero", 0}, {"notwritable", 0},
{"writable", 1}, {"r/w", 1}
};
static bool defRW = true;
int isrw = -1, numopts = sizeof(rwtab)/sizeof(struct rwOpts);
char *val;
// If this is an export and we already know that we have a writable path, return
// Otherwise, scan over the path argument.
//
if (isExport && (ossRW == 'w' || !(val = Config.GetWord()))) return 0;
// Throw away path and scan all the options looking for something of interest
//
while((val = Config.GetWord()))
{for (int i = 0; i < numopts; i++)
if (!strcmp(val, rwtab[i].opname)) isrw = rwtab[i].isRW;
else if (!strcmp(val, "cache")) {isrw = 0; break;}
}
// Handle result depending if this is an export or a defaults
//
if (isrw < 0) isrw = defRW;
if (isExport) ossRW = (isrw ? 'w' : 'r');
else {defRW = (isrw ? true : false);
if (ossRW == ' ' && !isrw) ossRW = 'r';
}
return 0;
}
/******************************************************************************/
/* x f o r w a r d */
/******************************************************************************/
/* Function: xforward
Purpose: To parse the directive: forward [<handling>] <metaops>
handling: 1way | 2way | 3way {local | <host>:<port>}
1way forward does not respond (the default)
2way forward responds; relay response back.
3way forward 1way and execute locally or redirect to <host>
<metaops> list of meta-file operations to forward to manager
Output: 0 upon success or !0 upon failure.
*/
int XrdOfs::xforward(XrdOucStream &Config, XrdSysError &Eroute)
{
enum fwdType {OfsFWDALL = 0x3f, OfsFWDCHMOD = 0x01, OfsFWDMKDIR = 0x02,
OfsFWDMV = 0x04, OfsFWDRM = 0x08, OfsFWDRMDIR = 0x10,
OfsFWDREM = 0x18, OfsFWDTRUNC = 0x20, OfsFWDNONE = 0};
static struct fwdopts {const char *opname; fwdType opval;} fwopts[] =
{
{"all", OfsFWDALL},
{"chmod", OfsFWDCHMOD},
{"mkdir", OfsFWDMKDIR},
{"mv", OfsFWDMV},
{"rm", OfsFWDRM},
{"rmdir", OfsFWDRMDIR},
{"remove", OfsFWDREM},
{"trunc", OfsFWDTRUNC}
};
int fwval = OfsFWDNONE, fwspec = OfsFWDNONE;
int numopts = sizeof(fwopts)/sizeof(struct fwdopts);
int i, neg, rPort = 0, is2way = 0, is3way = 0;
char *val, *pp, rHost[512];
*rHost = '\0';
if (!(val = Config.GetWord()))
{Eroute.Emsg("Config", "foward option not specified"); return 1;}
if ((is2way = !strcmp("2way", val)) || !strcmp("1way", val)
|| (is3way = !strcmp("3way", val)))
if (!(val = Config.GetWord()))
{Eroute.Emsg("Config", "foward operation not specified"); return 1;}
if (is3way)
{if (!strcmp("local", val)) rPort = -1;
else
{if (*val == ':')
{Eroute.Emsg("Config", "redirect host not specified"); return 1;}
if (!(pp = index(val, ':')))
{Eroute.Emsg("Config", "redirect port not specified"); return 1;}
if ((rPort = atoi(pp+1)) <= 0)
{Eroute.Emsg("Config", "redirect port is invalid"); return 1;}
*pp = '\0';
strlcpy(rHost, val, sizeof(rHost));
}
if (!(val = Config.GetWord()))
{Eroute.Emsg("Config", "foward operation not specified"); return 1;}
}
while (val)
{if (!strcmp(val, "off")) {fwval = OfsFWDNONE; fwspec = OfsFWDALL;}
else {if ((neg = (val[0] == '-' && val[1]))) val++;
for (i = 0; i < numopts; i++)
{if (!strcmp(val, fwopts[i].opname))
{if (neg) fwval &= ~fwopts[i].opval;
else fwval |= fwopts[i].opval;
fwspec |= fwopts[i].opval;
break;
}
}
if (i >= numopts)
Eroute.Say("Config warning: ignoring invalid foward option '",val,"'.");
}
val = Config.GetWord();
}
if (fwspec & OfsFWDCHMOD)
{fwdCHMOD.Cmd = (fwval&OfsFWDCHMOD ? (is2way ? "+chmod" :"chmod") : 0);
if (fwdCHMOD.Host) free(fwdCHMOD.Host);
fwdCHMOD.Host = strdup(rHost); fwdCHMOD.Port = rPort;
}
if (fwspec&OfsFWDMKDIR)
{fwdMKDIR.Cmd = (fwval&OfsFWDMKDIR ? (is2way ? "+mkdir" :"mkdir") : 0);
if (fwdMKDIR.Host) free(fwdMKDIR.Host);
fwdMKDIR.Host = strdup(rHost); fwdMKDIR.Port = rPort;
fwdMKPATH.Cmd= (fwval&OfsFWDMKDIR ? (is2way ? "+mkpath":"mkpath") : 0);
if (fwdMKPATH.Host) free(fwdMKPATH.Host);
fwdMKPATH.Host = strdup(rHost); fwdMKPATH.Port = rPort;
}
if (fwspec&OfsFWDMV)
{fwdMV .Cmd = (fwval&OfsFWDMV ? (is2way ? "+mv" :"mv") : 0);
if (fwdMV.Host) free(fwdMV.Host);
fwdMV.Host = strdup(rHost); fwdMV.Port = rPort;
}
if (fwspec&OfsFWDRM)
{fwdRM .Cmd = (fwval&OfsFWDRM ? (is2way ? "+rm" :"rm") : 0);
if (fwdRM.Host) free(fwdRM.Host);
fwdRM.Host = strdup(rHost); fwdRM.Port = rPort;
}
if (fwspec&OfsFWDRMDIR)
{fwdRMDIR.Cmd = (fwval&OfsFWDRMDIR ? (is2way ? "+rmdir" :"rmdir") : 0);
if (fwdRMDIR.Host) free(fwdRMDIR.Host);
fwdRMDIR.Host = strdup(rHost); fwdRMDIR.Port = rPort;
}
if (fwspec&OfsFWDTRUNC)
{fwdTRUNC.Cmd = (fwval&OfsFWDTRUNC ? (is2way ? "+trunc" :"trunc") : 0);
if (fwdTRUNC.Host) free(fwdTRUNC.Host);
fwdTRUNC.Host = strdup(rHost); fwdTRUNC.Port = rPort;
}
// All done
//
Options |= Forwarding;
return 0;
}
/******************************************************************************/
/* x m a x d */
/******************************************************************************/
/* Function: xmaxd
Purpose: To parse the directive: maxdelay <secs>
<secs> maximum delay imposed for staging