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XrdCmsConfig.cc
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XrdCmsConfig.cc
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/******************************************************************************/
/* */
/* X r d C m s C o n f i g . c c */
/* */
/* (c) 2011 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 Department 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. */
/******************************************************************************/
/*
The methods in this file handle cmsd() initialization.
*/
#include <unistd.h>
#include <ctype.h>
#include <fcntl.h>
#include <strings.h>
#include <stdio.h>
#include <sys/param.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include "XrdVersion.hh"
#include "Xrd/XrdScheduler.hh"
#include "Xrd/XrdSendQ.hh"
#include "XrdCms/XrdCmsAdmin.hh"
#include "XrdCms/XrdCmsBaseFS.hh"
#include "XrdCms/XrdCmsBlackList.hh"
#include "XrdCms/XrdCmsCache.hh"
#include "XrdCms/XrdCmsCluster.hh"
#include "XrdCms/XrdCmsConfig.hh"
#include "XrdCms/XrdCmsManager.hh"
#include "XrdCms/XrdCmsMeter.hh"
#include "XrdCms/XrdCmsNode.hh"
#include "XrdCms/XrdCmsPrepare.hh"
#include "XrdCms/XrdCmsPrepArgs.hh"
#include "XrdCms/XrdCmsProtocol.hh"
#include "XrdCms/XrdCmsRole.hh"
#include "XrdCms/XrdCmsRRQ.hh"
#include "XrdCms/XrdCmsSecurity.hh"
#include "XrdCms/XrdCmsState.hh"
#include "XrdCms/XrdCmsSupervisor.hh"
#include "XrdCms/XrdCmsTrace.hh"
#include "XrdCms/XrdCmsUtils.hh"
#include "XrdNet/XrdNetOpts.hh"
#include "XrdNet/XrdNetUtils.hh"
#include "XrdNet/XrdNetSecurity.hh"
#include "XrdNet/XrdNetSocket.hh"
#include "XrdOss/XrdOss.hh"
#include "XrdOuc/XrdOuca2x.hh"
#include "XrdOuc/XrdOucEnv.hh"
#include "XrdOuc/XrdOucExport.hh"
#include "XrdOuc/XrdOucN2NLoader.hh"
#include "XrdOuc/XrdOucProg.hh"
#include "XrdOuc/XrdOucStream.hh"
#include "XrdOuc/XrdOucUtils.hh"
#include "XrdSys/XrdSysError.hh"
#include "XrdSys/XrdSysHeaders.hh"
#include "XrdSys/XrdSysPlatform.hh"
#include "XrdSys/XrdSysPthread.hh"
#include "XrdSys/XrdSysTimer.hh"
using namespace XrdCms;
/******************************************************************************/
/* G l o b a l O b j e c t s */
/******************************************************************************/
namespace XrdCms
{
XrdOucEnv theEnv;
XrdCmsAdmin Admin;
XrdCmsBaseFS baseFS(&XrdCmsNode::do_StateDFS);
XrdCmsConfig Config;
XrdSysError Say(0, "");
XrdOucTrace Trace(&Say);
XrdScheduler *Sched = 0;
};
/******************************************************************************/
/* S e c u r i t y S y m b o l T i e - I n */
/******************************************************************************/
// The following is a bit of a kludge. The client side will use the xrootd
// security infrastructure if it exists. This is tipped off by the presence
// of the following symbol being non-zero. On the server side, we have no
// such symbol and need to provide one initialized to zero.
//
XrdSecProtocol *(*XrdXrootdSecGetProtocol)
(const char *hostname,
const struct sockaddr &netaddr,
const XrdSecParameters &parms,
XrdOucErrInfo *einfo)=0;
/******************************************************************************/
/* E x t e r n a l T h r e a d I n t e r f a c e s */
/******************************************************************************/
void *XrdCmsStartMonPerf(void *carg) { return Cluster.MonPerf(); }
void *XrdCmsStartMonRefs(void *carg) { return Cluster.MonRefs(); }
void *XrdCmsStartMonStat(void *carg) { return CmsState.Monitor(); }
void *XrdCmsStartAdmin(void *carg)
{return XrdCms::Admin.Start((XrdNetSocket *)carg);
}
void *XrdCmsStartAnote(void *carg)
{XrdCmsAdmin Anote;
return Anote.Notes((XrdNetSocket *)carg);
}
void *XrdCmsStartPreparing(void *carg)
{XrdCmsPrepArgs::Process();
return (void *)0;
}
void *XrdCmsStartSupervising(void *carg)
{XrdCmsSupervisor::Start();
return (void *)0;
}
/******************************************************************************/
/* P i n g C l o c k H a n d l e r */
/******************************************************************************/
namespace XrdCms
{
class PingClock : XrdJob
{
public:
void DoIt() {Config.PingTick++;
Sched->Schedule((XrdJob *)this,time(0)+Config.AskPing);
}
static void Start() {static PingClock selfie;}
PingClock() : XrdJob(".ping clock") {DoIt();}
~PingClock() {}
private:
};
};
/******************************************************************************/
/* d e f i n e s */
/******************************************************************************/
#define TS_String(x,m) if (!strcmp(x,var)) {free(m); m = strdup(val); return 0;}
#define TS_Xeq(x,m) if (!strcmp(x,var)) return m(eDest, CFile);
#define TS_Xer(x,m,v) if (!strcmp(x,var)) return m(eDest, CFile, v);
#define TS_Set(x,v) if (!strcmp(x,var)) {v=1; CFile.Echo(); return 0;}
#define TS_unSet(x,v) if (!strcmp(x,var)) {v=0; CFile.Echo(); return 0;}
/******************************************************************************/
/* C o n f i g u r e 1 */
/******************************************************************************/
int XrdCmsConfig::Configure1(int argc, char **argv, char *cfn)
{
/*
Function: Establish phase 1 configuration at start up time.
Input: argc - argument count
argv - argument vector
cfn - optional configuration file name
Output: 0 upon success or !0 otherwise.
*/
int NoGo = 0, immed = 0;
char c, buff[512];
extern int opterr, optopt;
// Prohibit this program from executing as superuser
//
if (geteuid() == 0)
{Say.Emsg("Config", "Security reasons prohibit cmsd running as "
"superuser; cmsd is terminating.");
_exit(8);
}
// Process the options
//
opterr = 0; optind = 1;
if (argc > 1 && '-' == *argv[1])
while ((c=getopt(argc,argv,"iw")) && ((unsigned char)c != 0xff))
{ switch(c)
{
case 'i': immed = 1;
break;
case 'w': immed = -1; // Backward compatability only
break;
default: buff[0] = '-'; buff[1] = optopt; buff[2] = '\0';
Say.Say("Config warning: unrecognized option, ",buff,", ignored.");
}
}
// Accept a single parameter defining the overiding major role
//
if (optind < argc)
{ if (!strcmp(argv[optind], "manager")) isManager = 1;
else if (!strcmp(argv[optind], "server" )) isServer = 1;
else if (!strcmp(argv[optind], "super" )) isServer = isManager = 1;
else Say.Say("Config warning: unrecognized parameter, ",
argv[optind],", ignored.");
}
// Bail if no configuration file specified
//
inArgv = argv; inArgc = argc;
if ((!(ConfigFN = cfn) && !(ConfigFN = getenv("XrdCmsCONFIGFN")))
|| !*ConfigFN)
{Say.Emsg("Config", "Required config file not specified.");
Usage(1);
}
// Establish my instance name
//
sprintf(buff, "%s@%s", XrdOucUtils::InstName(myInsName), myName);
myInstance = strdup(buff);
// This is somewhat poor but we need to establish the default non-blocking
// message queue limit for the cms (this being 30) which can be overriden.
//
XrdSendQ::SetQM(30);
// Print herald
//
Say.Say("++++++ ", myInstance, " phase 1 initialization started.");
// If we don't know our role yet then we must find out before processing the
// config file. This means a double scan, sigh.
//
if (!(isManager || isServer))
if (!(NoGo |= ConfigProc(1)) && !(isManager || isServer))
{Say.Say("Config warning: role not specified; manager role assumed.");
isManager = -1;
}
// Process the configuration file
//
if (!NoGo) NoGo |= ConfigProc();
// Override the trace option
//
if (getenv("XRDDEBUG")) Trace.What = TRACE_ALL;
// Override the wait/nowait from the command line
//
if (immed) doWait = (immed > 0 ? 0 : 1);
// Determine the role
//
if (isManager < 0) isManager = 1;
if (isPeer < 0) isPeer = 1;
if (isProxy < 0) isProxy = 1;
if (isServer < 0) isServer = 1;
// Create a text description of our role for use in messages
//
if (!myRole)
{XrdCmsRole::RoleID rid = XrdCmsRole::noRole;
if (isMeta) rid = XrdCmsRole::MetaManager;
else if (isPeer) rid = XrdCmsRole::Peer;
else if (isProxy)
{if (isManager) rid = (isServer ? XrdCmsRole::ProxySuper
: XrdCmsRole::ProxyManager);
else rid = XrdCmsRole::ProxyServer;
}
else if (isManager)
{if (isManager) rid = (isServer ? XrdCmsRole::Supervisor
: XrdCmsRole::Manager);
}
else rid = XrdCmsRole::Server;
strcpy(myRType, XrdCmsRole::Type(rid));
myRole = strdup(XrdCmsRole::Name(rid));
myRoleID = static_cast<int>(rid);
}
// Export the role IN basic form and expanded form
//
XrdOucEnv::Export("XRDROLE", myRole);
XrdOucEnv::Export("XRDROLETYPE", myRType);
// For managers, make sure that we have a well designated port.
// For servers or supervisors, force an ephemeral port to be used.
//
if (!NoGo)
{if ((isManager && !isServer) || isPeer)
{if (PortTCP <= 0)
{Say.Emsg("Config","port for this", myRole, "not specified.");
NoGo = 1;
}
}
else if ((isManager && isServer)) PortTCP = PortSUP;
else PortTCP = 0;
}
// If we are configured in proxy mode then we are running a shared filesystem
//
if (isProxy) baseFS.Init(XrdCmsBaseFS::DFSys | XrdCmsBaseFS::Immed |
(baseFS.Local() ? XrdCmsBaseFS::Cntrl : 0), 0, 0);
// Determine how we ended and return status
//
sprintf(buff, " phase 1 %s initialization %s.", myRole,
(NoGo ? "failed" : "completed"));
Say.Say("------ ", myInstance, buff);
return NoGo;
}
/******************************************************************************/
/* C o n f i g u r e 2 */
/******************************************************************************/
int XrdCmsConfig::Configure2()
{
/*
Function: Establish phase 2 configuration at start up time.
Input: None.
Output: 0 upon success or !0 otherwise.
*/
int Who, NoGo = 0;
char *p, buff[512];
std::string envData;
// Print herald
//
sprintf(buff, " phase 2 %s initialization started.", myRole);
Say.Say("++++++ ", myInstance, buff);
// Fix up the QryMinum (we hard code 64 as the max) and P_gshr values.
// The QryMinum only applies to a metamanager and is set as 1 minus the min.
//
if (!isMeta) QryMinum = 0;
else if (QryMinum < 2) QryMinum = 0;
else if (QryMinum > 64) QryMinum = 64;
if (P_gshr < 0) P_gshr = 0;
else if (P_gshr > 100) P_gshr = 100;
// Determine who we are. If we are a manager or supervisor start the file
// location cache scrubber.
//
if (QryDelay < 0) QryDelay = LUPDelay;
if (isManager)
NoGo = !Cache.Init(cachelife,LUPDelay,QryDelay,baseFS.isDFS(),emptylife);
// Issue warning if the adminpath resides in /tmp
//
if (!strncmp(AdminPath, "/tmp/", 5))
Say.Say("Config warning: adminpath resides in /tmp and may be unstable!");
// Establish the path to be used for admin functions
//
p = XrdOucUtils::genPath(AdminPath,XrdOucUtils::InstName(myInsName,0),".olb");
free(AdminPath);
AdminPath = p;
// Setup the admin path (used in all roles)
//
if (!NoGo) NoGo = !(AdminSock = XrdNetSocket::Create(&Say, AdminPath,
(isManager|isPeer ? "olbd.nimda":"olbd.admin"),AdminMode));
// Develop a stable unique identifier for this cmsd independent of the port
//
if (!NoGo)
{if (!(mySID = setupSid())) NoGo = 1;
else {if (QTRACE(Debug))
Say.Say("Config ", "Global System Identification: ", mySID);
if (Config.mySite)
{envData += "site=";
envData += mySite;
}
}
}
// Create envCGI string for logins
//
envCGI = (envData.length() > 0 ? strdup(envData.c_str()) : 0);
// If we need a name library, load it now
//
if ((LocalRoot || RemotRoot || N2N_Lib) && ConfigN2N()) NoGo = 1;
// Configure the OSS, the base filesystem, and initialize the prep queue
//
if (!NoGo) NoGo = ConfigOSS();
if (!NoGo) baseFS.Start();
if (!NoGo) PrepQ.Init();
// Setup manager or server, as needed
//
if (!NoGo && isManager) NoGo = setupManager();
if (!NoGo && (isServer || ManList)) NoGo = setupServer();
// If we are a solo peer then we have no servers and a lot of space and
// connections don't matter. Only one connection matters for a meta-manager.
// Servers, supervisors, and managers who have a meta manager must wait for
// for the local data server to connect so port mapping occurs. Otherwise,
// we indicate that it doesn't matter as the local server won't connect.
//
if (isPeer && isSolo)
{SUPCount = SUPLevel = 0; Meter.setVirtual(XrdCmsMeter::peerFS);}
else if (isManager)
{Meter.setVirtual(XrdCmsMeter::manFS);
if (isMeta) {SUPCount = 1; SUPLevel = 0;}
if (!ManList) CmsState.Update(XrdCmsState::FrontEnd, 1);
}
if (isManager) Who = (isServer ? -1 : 1);
else Who = 0;
CmsState.Set(SUPCount, Who, AdminPath);
// Create the pid file
//
if (!NoGo) NoGo |= PidFile();
// All done, check for success or failure
//
sprintf(buff, " phase 2 %s initialization %s.", myRole,
(NoGo ? "failed" : "completed"));
Say.Say("------ ", myInstance, buff);
// The remainder of the configuration needs to be run in a separate thread
//
if (!NoGo) Sched->Schedule((XrdJob *)this);
// All done
//
return NoGo;
}
/******************************************************************************/
/* C o n f i g X e q */
/******************************************************************************/
int XrdCmsConfig::ConfigXeq(char *var, XrdOucStream &CFile, XrdSysError *eDest)
{
int dynamic;
// Determine whether is is dynamic or not
//
if (eDest) dynamic = 1;
else {dynamic = 0; eDest = &Say;}
// Process items
//
TS_Xeq("delay", xdelay); // Manager, dynamic
TS_Xeq("fxhold", xfxhld); // Manager, dynamic
TS_Xeq("ping", xping); // Manager, dynamic
TS_Xeq("sched", xsched); // Any, dynamic
TS_Xeq("space", xspace); // Any, dynamic
TS_Xeq("trace", xtrace); // Any, dynamic
if (!dynamic)
{
TS_Xeq("adminpath", xapath); // Any, non-dynamic
TS_Xeq("allow", xallow); // Manager, non-dynamic
TS_Xeq("altds", xaltds); // Server, non-dynamic
TS_Xeq("blacklist", xblk); // Manager, non-dynamic
TS_Xeq("cidtag", xcid); // Any, non-dynamic
TS_Xeq("defaults", xdefs); // Server, non-dynamic
TS_Xeq("dfs", xdfs); // Any, non-dynamic
TS_Xeq("export", xexpo); // Any, non-dynamic
TS_Xeq("fsxeq", xfsxq); // Server, non-dynamic
TS_Xeq("localroot", xlclrt); // Any, non-dynamic
TS_Xeq("manager", xmang); // Server, non-dynamic
TS_Xeq("namelib", xnml); // Server, non-dynamic
TS_Xeq("vnid", xvnid); // Server, non-dynamic
TS_Xeq("nbsendq", xnbsq); // Any non-dynamic
TS_Xeq("osslib", xolib); // Any, non-dynamic
TS_Xeq("perf", xperf); // Server, non-dynamic
TS_Xeq("pidpath", xpidf); // Any, non-dynamic
TS_Xeq("prep", xprep); // Any, non-dynamic
TS_Xeq("prepmsg", xprepm); // Any, non-dynamic
TS_Xeq("remoteroot", xrmtrt); // Any, non-dynamic
TS_Xeq("repstats", xreps); // Any, non-dynamic
TS_Xeq("role", xrole); // Server, non-dynamic
TS_Xeq("seclib", xsecl); // Server, non-dynamic
TS_Xeq("subcluster", xsubc); // Manager, non-dynamic
TS_Xeq("superport", xsupp); // Super, non-dynamic
TS_Set("wait", doWait); // Server, non-dynamic (backward compat)
TS_unSet("nowait", doWait); // Server, non-dynamic
TS_Xer("whitelist", xblk,true);//Manager, non-dynamic
}
// The following are client directives that we will ignore
//
if (!strcmp(var, "conwait")
|| !strcmp(var, "request")) return 0;
// No match found, complain.
//
eDest->Say("Config warning: ignoring unknown directive '", var, "'.");
CFile.Echo();
return 0;
}
/******************************************************************************/
/* D o I t */
/******************************************************************************/
void XrdCmsConfig::DoIt()
{
XrdSysSemaphore SyncUp(0);
pthread_t tid;
time_t eTime = time(0);
int wTime;
// Set doWait correctly. We only wait if we have to provide a data path. This
// include server, supervisors, and managers who have a meta-manager, only.
// Why? Because we never get a primary login if we are a mere manager.
//
if (isManager && !isServer && !ManList) doWait = 0;
else if (isServer && adsMon) doWait = 1;
// Start the notification thread if we need to
//
if (AnoteSock)
if (XrdSysThread::Run(&tid, XrdCmsStartAnote, (void *)AnoteSock,
0, "Notification handler"))
Say.Emsg("cmsd", errno, "start notification handler");
// Start the prepare handler
//
if (XrdSysThread::Run(&tid,XrdCmsStartPreparing,
(void *)0, 0, "Prep handler"))
Say.Emsg("cmsd", errno, "start prep handler");
// Start the supervisor subsystem
//
if (XrdCmsSupervisor::superOK)
{if (XrdSysThread::Run(&tid,XrdCmsStartSupervising,
(void *)0, 0, "supervisor"))
{Say.Emsg("cmsd", errno, "start", myRole);
return;
}
}
// Start the ping clock if we are a manager of any kind
//
if (isManager) PingClock::Start();
// Start the admin thread if we need to, we will not continue until told
// to do so by the admin interface.
//
if (AdminSock)
{XrdCmsAdmin::setSync(&SyncUp);
if (XrdSysThread::Run(&tid, XrdCmsStartAdmin, (void *)AdminSock,
0, "Admin traffic"))
Say.Emsg("cmsd", errno, "start admin handler");
SyncUp.Wait();
}
// Start the manager subsystem.
//
if (isManager || isServer || isPeer) XrdCmsManager::Start(ManList);
// Start state monitoring thread
//
if (XrdSysThread::Run(&tid, XrdCmsStartMonStat, (void *)0,
0, "State monitor"))
{Say.Emsg("Config", errno, "create state monitor thread");
return;
}
// If we are a manager then we must do a service enable after a service delay
//
if ((isManager || isPeer) && SRVDelay)
{wTime = SRVDelay - static_cast<int>((time(0) - eTime));
if (wTime > 0) XrdSysTimer::Wait(wTime*1000);
}
// All done
//
if (!SUPCount) CmsState.Update(XrdCmsState::Counts, 0, 0);
CmsState.Enable();
Say.Emsg("Config", myRole, "service enabled.");
}
/******************************************************************************/
/* G e n L o c a l P a t h */
/******************************************************************************/
/* GenLocalPath() generates the path that a file will have in the local file
system. The decision is made based on the user-given path (typically what
the user thinks is the local file system path). The output buffer where the
new path is placed must be at least XrdCmsMAX_PATH_LEN bytes long.
*/
int XrdCmsConfig::GenLocalPath(const char *oldp, char *newp)
{
if (lcl_N2N) return -(lcl_N2N->lfn2pfn(oldp, newp, XrdCmsMAX_PATH_LEN));
if (strlen(oldp) >= XrdCmsMAX_PATH_LEN) return -ENAMETOOLONG;
strcpy(newp, oldp);
return 0;
}
/******************************************************************************/
/* P r i v a t e F u n c t i o n s */
/******************************************************************************/
/******************************************************************************/
/* C o n f i g D e f a u l t s */
/******************************************************************************/
void XrdCmsConfig::ConfigDefaults(void)
{
static XrdVERSIONINFODEF(myVer, cmsd, XrdVNUMBER, XrdVERSION);
int myTZ, isEast = 0;
// Preset all variables with common defaults
//
myName = (char *)"localhost"; // Correctly set in Configure()
myDomain = 0;
LUPDelay = 5;
QryDelay =-1;
QryMinum = 0;
LUPHold = 178;
DELDelay = 960; // 15 minutes
DRPDelay = 10*60;
PSDelay = 0;
RWDelay = 2;
SRVDelay = 90;
SUPCount = 1;
SUPLevel = 80;
SUPDelay = 15;
SUSDelay = 30;
MaxLoad = 0x7fffffff;
MsgTTL = 7;
PortTCP = 0;
PortSUP = 0;
P_cpu = 0;
P_fuzz = 20;
P_gsdf = 0;
P_gshr = 0;
P_io = 0;
P_load = 0;
P_mem = 0;
P_pag = 0;
AskPerf = 10; // Every 10 pings
AskPing = 60; // Every 1 minute
PingTick = 0;
DoMWChk = 1;
DoHnTry = 1;
MaxDelay = -1;
LogPerf = 10; // Every 10 usage requests
DiskMin = 10240; // 10GB*1024 (Min partition space) in MB
DiskHWM = 11264; // 11GB*1024 (High Water Mark SUO) in MB
DiskMinP = 2;
DiskHWMP = 5;
DiskAsk = 12; // 15 Seconds between space calibrations.
DiskWT = 0; // Do not defer when out of space
DiskSS = 0; // Not a staging server
DiskOK = 0; // Does not have any disk
myPaths = (char *)""; // Default is 'r /'
ConfigFN = 0;
sched_RR = sched_Pack = sched_Level = 0; sched_Force = 1;
isManager= 0;
isMeta = 0;
isPeer = 0;
isSolo = 0;
isProxy = 0;
isServer = 0;
VNID_Lib = 0;
VNID_Parms=0;
N2N_Lib = 0;
N2N_Parms= 0;
lcl_N2N = 0;
xeq_N2N = 0;
LocalRoot= 0;
RemotRoot= 0;
myInsName= 0;
RepStats = 0;
myRole =0;
myRType[0]=0;
myRoleID = XrdCmsRole::noRole;
ManList =0;
NanList =0;
SanList =0;
myVNID = 0;
mySID = 0;
mySite = 0;
envCGI = 0;
cidTag = 0;
ifList =0;
perfint = 3*60;
perfpgm = 0;
AdminPath= strdup("/tmp/");
AdminMode= 0700;
AdminSock= 0;
AnoteSock= 0;
RedirSock= 0;
pidPath = strdup("/tmp");
Police = 0;
cachelife= 8*60*60;
emptylife= 0;
pendplife= 60*60*24*7;
DiskLinger=0;
ProgCH = 0;
ProgMD = 0;
ProgMV = 0;
ProgRD = 0;
ProgRM = 0;
doWait = 1;
RefReset = 60*60;
RefTurn = 3*STMax*(DiskLinger+1);
DirFlags = 0;
blkList = 0;
blkChk = 0;
SecLib = 0;
ossLib = 0;
ossParms = 0;
ossFS = 0;
myVInfo = &myVer;
adsPort = 0;
adsMon = 0;
adsProt = 0;
nbSQ = 1;
// Compute the time zone we are in
//
myTZ = XrdSysTimer::TimeZone();
if (myTZ <= 0) {isEast = 0x10; myTZ = -myTZ;}
if (myTZ > 12) myTZ = 12;
TimeZone = (myTZ | isEast);
}
/******************************************************************************/
/* C o n f i g N 2 N */
/******************************************************************************/
int XrdCmsConfig::ConfigN2N()
{
XrdOucN2NLoader n2nLoader(&Say, ConfigFN, N2N_Parms, LocalRoot, RemotRoot);
// Get the plugin
//
if (!(xeq_N2N = n2nLoader.Load(N2N_Lib, *myVInfo, &theEnv))) return 1;
// Optimize the local case
//
if (N2N_Lib || LocalRoot) lcl_N2N = xeq_N2N;
// All done
//
PrepQ.setParms(lcl_N2N);
return 0;
}
/******************************************************************************/
/* C o n f i g O S S */
/******************************************************************************/
int XrdCmsConfig::ConfigOSS()
{
extern XrdOss *XrdOssGetSS(XrdSysLogger *, const char *, const char *,
const char *, XrdOucEnv *, XrdVersionInfo &);
void *arFunc;
// Set up environment for the OSS to keep it relevant for cmsd
//
XrdOucEnv::Export("XRDREDIRECT", "Q");
XrdOucEnv::Export("XRDOSSTYPE", "cms");
XrdOucEnv::Export("XRDOSSCSCAN", "off");
// If no osslib was specified but we are a proxy, then we must load the
// the proxy osslib.
//
if (!ossLib && isProxy) ossLib = strdup("libXrdPss.so");
// Load and return result
//
ossFS=XrdOssGetSS(Say.logger(),ConfigFN,ossLib,ossParms,&theEnv,*myVInfo);
if (!ossFS) return 1;
// Check if we should elay add/remove events to the statinfo function
//
if (!isManager && isServer && (arFunc = theEnv.GetPtr("XrdOssStatInfo2*")))
return (XrdCmsAdmin::InitAREvents(arFunc) ? 0 : 1);
return 0;
}
/******************************************************************************/
/* C o n f i g P r o c */
/******************************************************************************/
int XrdCmsConfig::ConfigProc(int getrole)
{
char *var;
int cfgFD, retc, NoGo = 0;
XrdOucEnv myEnv;
XrdOucStream CFile(&Say, getenv("XRDINSTANCE"), &myEnv, "=====> ");
// Try to open the configuration file.
//
if ( (cfgFD = open(ConfigFN, O_RDONLY, 0)) < 0)
{Say.Emsg("Config", errno, "open config file", ConfigFN);
return 1;
}
CFile.Attach(cfgFD);
// Turn off echoing if we are doing a pre-scan
//
if (getrole) CFile.SetEroute(0);
// Now start reading records until eof.
//
while((var = CFile.GetMyFirstWord()))
if (getrole)
{if (!strcmp("all.role", var) || !strcmp("olb.role", var))
if (xrole(&Say, CFile))
{CFile.SetEroute(&Say); CFile.Echo(); NoGo = 1;
CFile.SetEroute(0);
}
}
else if (!strncmp(var, "cms.", 4)
|| !strncmp(var, "olb.", 4) // Backward compatability
|| !strcmp(var, "ofs.osslib")
|| !strcmp(var, "oss.defaults")
|| !strcmp(var, "oss.localroot")
|| !strcmp(var, "oss.remoteroot")
|| !strcmp(var, "oss.namelib")
|| !strcmp(var, "all.adminpath")
|| !strcmp(var, "all.export")
|| !strcmp(var, "all.manager")
|| !strcmp(var, "all.pidpath")
|| !strcmp(var, "all.role")
|| !strcmp(var, "all.seclib")
|| !strcmp(var, "all.subcluster"))
{if (ConfigXeq(var+4, CFile, 0)) {CFile.Echo(); NoGo = 1;}}
else if (!strcmp(var, "oss.stagecmd")) DiskSS = 1;
// Now check if any errors occured during file i/o
//
if ((retc = CFile.LastError()))
NoGo = Say.Emsg("Config", retc, "read config file", ConfigFN);
CFile.Close();
// Merge Paths as needed
//
if (!getrole && (ManList || SanList)) NoGo |= MergeP();
// Return final return code
//
return NoGo;
}
/******************************************************************************/
/* i s E x e c */
/******************************************************************************/
int XrdCmsConfig::isExec(XrdSysError *eDest, const char *ptype, char *prog)
{
char buff[512], pp, *mp = prog;
// Isolate the program name
//
while(*mp && *mp != ' ') mp++;
pp = *mp; *mp ='\0';
// Make sure the program is executable by us
//
if (access(prog, X_OK))
{sprintf(buff, "find %s execuatble", ptype);
eDest->Emsg("Config", errno, buff, prog);
*mp = pp;
return 0;
}
// All is well
//
*mp = pp;
return 1;
}
/******************************************************************************/
/* M e r g e P */
/******************************************************************************/
int XrdCmsConfig::MergeP()
{
static const unsigned long long stage4MM = XRDEXP_STAGEMM & ~XRDEXP_STAGE;
XrdOucPList *plp = PexpList.First();
XrdCmsPList *pp;
XrdCmsPInfo opinfo, npinfo;
const char *ptype;
char *pbP;
unsigned long long Opts;
int pbLen = 0, NoGo = 0, export2MM = isManager && !isServer;
npinfo.rovec = 1;
// For each path in the export list merge it into the path list
//
while(plp)
{Opts = plp->Flag();
if (!(Opts & XRDEXP_LOCAL))
{npinfo.rwvec = (Opts & (XRDEXP_GLBLRO | XRDEXP_NOTRW) ? 0 : 1);
if (export2MM) npinfo.ssvec = (Opts & stage4MM ? 1 : 0);
else npinfo.ssvec = (Opts & XRDEXP_STAGE ? 1 : 0);
if (!PathList.Add(plp->Path(), &npinfo))
Say.Emsg("Config","Ignoring duplicate export path",plp->Path());
else if (npinfo.ssvec) DiskSS = 1;
}
plp = plp->Next();
}
// Document what we will be declaring as available
//
if (!NoGo)
{const char *Who;
if (isManager)
{if (SanList) Who = "subcluster manager:";
else Who = (isServer ? "manager:" : "meta-manager:");
} else Who = "redirector:";
Say.Say("The following paths are available to the ", Who);
if (!(pp = PathList.First())) Say.Say("r /");
else while(pp)
{ptype = pp->PType();
Say.Say(ptype, (strlen(ptype) > 1 ? " " : " "), pp->Path());
pbLen += strlen(pp->Path())+8; pp = pp->Next();
}
Say.Say(" ");
}
// Now allocate a buffer and place all of the paths into that buffer to be
// sent during the login phase.
//
if (pbLen != 0 && (pp = PathList.First()))
{pbP = myPaths = (char *)malloc(pbLen);
while(pp)
{pbP += sprintf(pbP, "\n%s %s", pp->PType(), pp->Path());
pp = pp->Next();
}
myPaths++;
}
// All done update the staging status (it's nostage by default)
//
if (DiskSS) CmsState.Update(XrdCmsState::Counts, 0, 1);
return NoGo;
}
/******************************************************************************/
/* P i d F i l e */
/******************************************************************************/
int XrdCmsConfig::PidFile()
{
int rc, xfd;
const char *clID;
char buff[1024];
char pidFN[1200], *ppath=XrdOucUtils::genPath(pidPath,
XrdOucUtils::InstName(myInsName,0));
const char *xop = 0;
if ((rc = XrdOucUtils::makePath(ppath, XrdOucUtils::pathMode)))
{Say.Emsg("Config", rc, "create pid file path", ppath);
free(ppath);
return 1;
}