#include <ConsRegMessage.h>

Public Member Functions
uint32	code () const

	ConsRegRequestView (void *buf)

std::string	getConsumerName ()

std::string	getRequestParameterSet ()

uint32	size () const

uint8 *	startAddress ()

Private Attributes
uint8 *	buf_

std::string	consumerName_

HeaderView	head_

std::string	requestParameterSet_

Detailed Description

Definition at line 36 of file ConsRegMessage.h.

Constructor & Destructor Documentation

ConsRegRequestView::ConsRegRequestView ( void * buf )

Constructor for the consumer registration request viewer.

Definition at line 65 of file ConsRegMessage.cc.

References buf_, code(), Header::CONS_REG_REQUEST, consumerName_, convert32(), edm::hlt::Exception, requestParameterSet_, and size().

                                                :
   buf_((uint8*)buf),head_(buf)
 {
   uint8* bufPtr;
   uint32 len;
 
   // verify that the buffer actually contains a registration request
   if (this->code() != Header::CONS_REG_REQUEST)
     {
       throw cms::Exception("MessageDecoding","ConsRegRequestView")
         << "Invalid consumer registration request message code ("
         << this->code() << "). Should be " << Header::CONS_REG_REQUEST << "\n";
     }
 
   // update the buffer pointer to just beyond the header
   bufPtr = buf_ + sizeof(Header);
 
   // determine the consumer name
   len = convert32(bufPtr);
   bufPtr += sizeof(uint32);
   if (len <= 256) // len >= 0, since len is unsigned
   {
     consumerName_.append((char *) bufPtr, len);
   }
   bufPtr += len;
 
   // determine the request parameter set (maintain backward compatibility
   // with sources of registration requests that don't have the param set)
   if (bufPtr < (buf_ + this->size()))
     {
       len = convert32(bufPtr);
       bufPtr += sizeof(uint32);
       // what is a reasonable limit?  This is just to prevent
       // a bogus, really large value from being used...
       if (len <= 65000) // len >= 0, since len is unsigned
       {
         requestParameterSet_.append((char *) bufPtr, len);
       }
       bufPtr += len;
     }
 }