XrdMpxStats.cc File Reference

#include <cstdio>
#include <unistd.h>
#include <sys/types.h>
#include <sys/uio.h>
#include "XrdApps/XrdMpxXml.hh"
#include "XrdNet/XrdNetAddr.hh"
#include "XrdNet/XrdNetOpts.hh"
#include "XrdNet/XrdNetSocket.hh"
#include "XrdSys/XrdSysError.hh"
#include "XrdSys/XrdSysLogger.hh"
#include "XrdSys/XrdSysHeaders.hh"
#include "XrdSys/XrdSysPlatform.hh"
#include "XrdSys/XrdSysPthread.hh"

Include dependency graph for XrdMpxStats.cc:

Go to the source code of this file.

Classes
struct	XrdMpxOut::statsBuff
class	XrdMpxOut

Namespaces
namespace	XrdMpx

Functions
int	main (int argc, char *argv[])
void *	mainOutput (void *parg)
void	Usage (int rc)

Variables
static const int	XrdMpx::addSender = 0x0001
XrdSysLogger	XrdMpx::Logger
int	XrdMpx::Opts
XrdMpxOut	XrdMpx::statsQ

---

Class Documentation

XrdMpxOut::statsBuff

struct XrdMpxOut::statsBuff

Definition at line 71 of file XrdMpxStats.cc.

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Class Members
char	Data[8190]
int	Dlen
XrdNetSockAddr	From
statsBuff *	Next
char	Pad[2]

Function Documentation

main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 209 of file XrdMpxStats.cc.

{
   extern char *optarg;
   extern int opterr, optopt;
   sigset_t myset;
   pthread_t tid;
   XrdMpxXml::fmtType fType = XrdMpxXml::fmtXML;
   XrdMpxOut::statsBuff *sbP = 0;
   XrdNetSocket mySocket(&Say);
   XrdMpxXml *xP = 0;
   SOCKLEN_t fromLen;
   int Port = 0, retc, udpFD;
   char buff[64], c;
   bool Debug;
 
// Process the options
//
   opterr = 0; Debug = false; Opts = 0;
   if (argc > 1 && '-' == *argv[1]) 
      while ((c = getopt(argc,argv,"df:p:s")) && ((unsigned char)c != 0xff))
     { switch(c)
       {
       case 'd': Debug = true;
                 break;
       case 'f':      if (!strcmp(optarg, "cgi" )) fType = XrdMpxXml::fmtCGI;
                 else if (!strcmp(optarg, "flat")) fType = XrdMpxXml::fmtFlat;
                 else if (!strcmp(optarg, "xml" )) fType = XrdMpxXml::fmtXML;
                 else {Say.Emsg(":", "Invalid format - ", optarg); Usage(1);}
                 break;
       case 'h': Usage(0);
                 break;
       case 'p': if (!(Port = atoi(optarg)))
                    {Say.Emsg(":", "Invalid port number - ", optarg); Usage(1);}
                 break;
       case 's': Opts |= addSender;
                 break;
       default:  sprintf(buff,"'%c'", optopt);
                 if (c == ':') Say.Emsg(":", buff, "value not specified.");
                    else Say.Emsg(0, buff, "option is invalid");
                 Usage(1);
                 break;
       }
     }
 
// Make sure port has been specified
//
   if (!Port) {Say.Emsg(":", "Port has not been specified."); Usage(1);}
 
// Turn off sigpipe and host a variety of others before we start any threads
//
   signal(SIGPIPE, SIG_IGN);  // Solaris optimization
   sigemptyset(&myset);
   sigaddset(&myset, SIGPIPE);
   sigaddset(&myset, SIGCHLD);
   pthread_sigmask(SIG_BLOCK, &myset, NULL);
 
// Set the default stack size here
//
   if (sizeof(long) > 4) XrdSysThread::setStackSize((size_t)1048576);
      else               XrdSysThread::setStackSize((size_t)786432);
 
// Create a UDP socket and bind it to a port
//
   if (mySocket.Open(0, Port, XRDNET_SERVER|XRDNET_UDPSOCKET, 0) < 0)
      {Say.Emsg(":", -mySocket.LastError(), "create udp socket"); exit(4);}
   udpFD = mySocket.Detach();
 
// Establish format
//
   if (fType != XrdMpxXml::fmtXML) xP = new XrdMpxXml(fType, Debug);
 
// Now run a thread to output whatever we get
//
   if ((retc = XrdSysThread::Run(&tid, mainOutput, (void *)xP,
                                 XRDSYSTHREAD_BIND, "Output")))
      {Say.Emsg(":", retc, "create output thread"); exit(4);}
 
// Now simply wait for the messages
//
   fromLen = sizeof(sbP->From);
   while(1)
        {sbP = statsQ.getBuff();
         retc = recvfrom(udpFD, sbP->Data, sizeof(sbP->Data), 0,
                               &sbP->From.Addr, &fromLen);
         if (retc < 0) {Say.Emsg(":", retc, "recv udp message"); exit(8);}
         sbP->Dlen = retc;
         statsQ.Add(sbP);
        }
 
// Should never get here
//
   return 0;
}

References XrdMpxOut::Add(), XrdNetSockAddr::Addr, XrdMpx::addSender, XrdMpxOut::statsBuff::Data, Debug, XrdNetSocket::Detach(), XrdMpxOut::statsBuff::Dlen, XrdMpxXml::fmtCGI, XrdMpxXml::fmtFlat, XrdMpxXml::fmtXML, XrdMpxOut::statsBuff::From, XrdMpxOut::getBuff(), XrdNetSocket::LastError(), mainOutput(), XrdNetSocket::Open(), optopt, XrdMpx::Opts, XrdSysThread::Run(), Say, XrdSysThread::setStackSize(), SOCKLEN_t, XrdMpx::statsQ, Usage(), XRDNET_SERVER, XRDNET_UDPSOCKET, and XRDSYSTHREAD_BIND.

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mainOutput()

void * mainOutput

(

void *

parg

)

Definition at line 189 of file XrdMpxStats.cc.

{
    XrdMpxXml *xP = static_cast<XrdMpxXml *>(parg);
    return statsQ.Run(xP);
}

References XrdMpxOut::Run(), and XrdMpx::statsQ.

Referenced by main().

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Usage()

void Usage

(

int

rc

)

Definition at line 199 of file XrdMpxStats.cc.

{
   std::cerr <<"\nUsage: mpxstats [-f {cgi|flat|xml}] -p <port> [-s]" <<std::endl;
   exit(rc);
}

Referenced by main().

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