99 lines
2.7 KiB
C++
Executable File
99 lines
2.7 KiB
C++
Executable File
/**********
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This library is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this library; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**********/
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// "multikit" Multicast Application Shell
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// Copyright (c) 1996-2015, Live Networks, Inc. All rights reserved
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// "Group Endpoint Id"
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// C++ header
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#ifndef _GROUPEID_HH
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#define _GROUPEID_HH
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#ifndef _BOOLEAN_HH
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#include "Boolean.hh"
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#endif
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#ifndef _NET_ADDRESS_HH
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#include "NetAddress.hh"
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#endif
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const u_int8_t MAX_TTL = 255;
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class Scope {
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public:
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Scope(u_int8_t ttl = 0, const char* publicKey = NULL);
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Scope(const Scope& orig);
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Scope& operator=(const Scope& rightSide);
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~Scope();
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u_int8_t ttl() const
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{ return fTTL; }
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const char* publicKey() const
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{ return fPublicKey; }
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unsigned publicKeySize() const;
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private:
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void assign(u_int8_t ttl, const char* publicKey);
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void clean();
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u_int8_t fTTL;
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char* fPublicKey;
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};
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class GroupEId {
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public:
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GroupEId(struct in_addr const& groupAddr,
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portNumBits portNum, Scope const& scope,
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unsigned numSuccessiveGroupAddrs = 1);
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// used for a 'source-independent multicast' group
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GroupEId(struct in_addr const& groupAddr,
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struct in_addr const& sourceFilterAddr,
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portNumBits portNum,
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unsigned numSuccessiveGroupAddrs = 1);
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// used for a 'source-specific multicast' group
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GroupEId(); // used only as a temp constructor prior to initialization
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struct in_addr const& groupAddress() const { return fGroupAddress; }
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struct in_addr const& sourceFilterAddress() const { return fSourceFilterAddress; }
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Boolean isSSM() const;
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unsigned numSuccessiveGroupAddrs() const {
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// could be >1 for hier encoding
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return fNumSuccessiveGroupAddrs;
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}
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portNumBits portNum() const { return fPortNum; }
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const Scope& scope() const { return fScope; }
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private:
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void init(struct in_addr const& groupAddr,
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struct in_addr const& sourceFilterAddr,
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portNumBits portNum,
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Scope const& scope,
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unsigned numSuccessiveGroupAddrs);
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private:
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struct in_addr fGroupAddress;
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struct in_addr fSourceFilterAddress;
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unsigned fNumSuccessiveGroupAddrs;
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portNumBits fPortNum;
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Scope fScope;
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};
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#endif
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