NetAddressList Class Reference

#include <NetAddress.hh>

Collaboration diagram for NetAddressList:

[legend]

Public Member Functions
	NetAddressList (char const *hostname)
	NetAddressList (NetAddressList const &orig)
NetAddressList &	operator= (NetAddressList const &rightSide)
virtual	~NetAddressList ()
unsigned	numAddresses () const
NetAddress const *	firstAddress () const
Private Member Functions
void	assign (netAddressBits numAddresses, NetAddress **addressArray)
void	clean ()
Private Attributes
unsigned	fNumAddresses
NetAddress **	fAddressArray
Friends
class	Iterator
Data Structures
class	Iterator

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Detailed Description

Definition at line 62 of file NetAddress.hh.

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Constructor & Destructor Documentation

NetAddressList::NetAddressList

(

char const *

hostname

)

Definition at line 84 of file NetAddress.cpp.

References fAddressArray, fNumAddresses, if(), INADDR_NONE, NULL, our_gethostbyname(), and our_inet_addr().

  : fNumAddresses(0), fAddressArray(NULL) {
    struct hostent* host;

    // Check first whether "hostname" is an IP address string:
    netAddressBits addr = our_inet_addr((char*)hostname);
    if (addr != INADDR_NONE) { // yes it was an IP address string
      //##### host = gethostbyaddr((char*)&addr, sizeof (netAddressBits), AF_INET);
      host = NULL; // don't bother calling gethostbyaddr(); we only want 1 addr

      if (host == NULL) {
        // For some unknown reason, gethostbyaddr() failed, so just
        // return a 1-element list with the address we were given:
        fNumAddresses = 1;
        fAddressArray = new NetAddress*[fNumAddresses];
        if (fAddressArray == NULL) return;

        fAddressArray[0] = new NetAddress((u_int8_t*)&addr,
                                          sizeof (netAddressBits));
        return;
      }
    } else { // Try resolving "hostname" as a real host name

#if defined(VXWORKS)
      char hostentBuf[512];
      host = (struct hostent*)resolvGetHostByName((char*)hostname,(char*)&hostentBuf,sizeof hostentBuf);
#else
      host = our_gethostbyname((char*)hostname);
#endif

      if (host == NULL) {
        // It was a host name, and we couldn't resolve it.  We're SOL.
        return;
      }
    }

    u_int8_t const** const hAddrPtr
      = (u_int8_t const**)host->h_addr_list;
    if (hAddrPtr != NULL) {
      // First, count the number of addresses:
      u_int8_t const** hAddrPtr1 = hAddrPtr;
      while (*hAddrPtr1 != NULL) {
        ++fNumAddresses;
        ++hAddrPtr1;
      }

      // Next, set up the list:
      fAddressArray = new NetAddress*[fNumAddresses];
      if (fAddressArray == NULL) return;

      for (unsigned i = 0; i < fNumAddresses; ++i) {
        fAddressArray[i]
          = new NetAddress(hAddrPtr[i], host->h_length);
      }
    }
}

NetAddressList::NetAddressList

(

NetAddressList const &

orig

)

Definition at line 141 of file NetAddress.cpp.

References assign(), fAddressArray, and numAddresses().

                                                         {
  assign(orig.numAddresses(), orig.fAddressArray);
}

NetAddressList::~NetAddressList

(

)

[virtual]

Definition at line 153 of file NetAddress.cpp.

References clean().

                                {
  clean();
}

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Member Function Documentation

NetAddressList & NetAddressList::operator=

(

NetAddressList const &

rightSide

)

Definition at line 145 of file NetAddress.cpp.

References assign(), clean(), fAddressArray, and numAddresses().

                                                                         {
  if (&rightSide != this) {
    clean();
    assign(rightSide.numAddresses(), rightSide.fAddressArray);
  }
  return *this;
}

unsigned NetAddressList::numAddresses

(

)

const [inline]

Definition at line 69 of file NetAddress.hh.

References fNumAddresses.

Referenced by MediaSubsession::connectionEndpointAddress(), getSDPDescriptionFromURL(), main(), NetAddressList(), NetAddressList::Iterator::nextAddress(), operator=(), RTSPClient::parseRTSPURL(), SIPClient::parseSIPURL(), parseSourceFilterAttribute(), and DarwinInjector::setDestination().

{ return fNumAddresses; }

NetAddress const * NetAddressList::firstAddress

(

)

const

Definition at line 177 of file NetAddress.cpp.

References fAddressArray, fNumAddresses, and NULL.

Referenced by MediaSubsession::connectionEndpointAddress(), getSDPDescriptionFromURL(), main(), RTSPClient::parseRTSPURL(), SIPClient::parseSIPURL(), parseSourceFilterAttribute(), and DarwinInjector::setDestination().

                                                     {
  if (fNumAddresses == 0) return NULL;

  return fAddressArray[0];
}

void NetAddressList::assign	(	netAddressBits	numAddresses,
		NetAddress **	addressArray
	)			[private]

Referenced by NetAddressList(), and operator=().

void NetAddressList::clean

(

)

[private]

Definition at line 170 of file NetAddress.cpp.

References fAddressArray, fNumAddresses, and NULL.

Referenced by operator=(), and ~NetAddressList().

                           {
  while (fNumAddresses-- > 0) {
    delete fAddressArray[fNumAddresses];
  }
  delete[] fAddressArray; fAddressArray = NULL;
}

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Friends And Related Function Documentation

friend class Iterator [friend]

Definition at line 87 of file NetAddress.hh.

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Field Documentation

unsigned NetAddressList::fNumAddresses [private]

Definition at line 88 of file NetAddress.hh.

Referenced by clean(), firstAddress(), NetAddressList(), and numAddresses().

NetAddress** NetAddressList::fAddressArray [private]

Definition at line 89 of file NetAddress.hh.

Referenced by clean(), firstAddress(), NetAddressList(), NetAddressList::Iterator::nextAddress(), and operator=().

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The documentation for this class was generated from the following files:

• groupsock/include/NetAddress.hh
• groupsock/NetAddress.cpp

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