108 lines
3.9 KiB
C++
108 lines
3.9 KiB
C++
/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* pvAccessCPP is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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*/
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#ifndef INETADDRESSUTIL_H_
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#define INETADDRESSUTIL_H_
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#include <pv/pvType.h>
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#include <pv/byteBuffer.h>
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#include <osiSock.h>
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#include <vector>
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namespace epics {
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namespace pvAccess {
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typedef std::vector<osiSockAddr> InetAddrVector;
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/**
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* Returns a vector containing all the IPv4 broadcast addresses on this machine.
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* IPv6 doesn't have a local broadcast address.
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* Conversion of the defaultPort to network byte order performed by
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* the function.
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*/
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InetAddrVector* getBroadcastAddresses(SOCKET sock, unsigned short defaultPort);
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/**
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* Encode IPv4 address as IPv6 address.
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* @param buffer byte-buffer where to put encoded data.
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* @param address address to encode.
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*/
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void encodeAsIPv6Address(epics::pvData::ByteBuffer* buffer, const osiSockAddr* address);
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/**
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* Convert an integer into an IPv4 INET address.
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* @param addr integer representation of a given address.
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* @return IPv4 INET address.
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*/
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osiSockAddr* intToIPv4Address(epics::pvData::int32 addr);
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/**
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* Convert an IPv4 INET address to an integer.
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* @param addr IPv4 INET address.
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* @return integer representation of a given address.
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*/
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epics::pvData::int32 ipv4AddressToInt(const osiSockAddr& addr);
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/**
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* Parse space delimited addresss[:port] string and return array of <code>InetSocketAddress</code>.
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* @param list space delimited addresss[:port] string.
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* @param defaultPort port take if not specified.
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* @param appendList list to be appended.
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* @return array of <code>InetSocketAddress</code>.
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*/
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InetAddrVector* getSocketAddressList(epics::pvData::String list, int defaultPort,
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const InetAddrVector* appendList = NULL);
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const epics::pvData::String inetAddressToString(const osiSockAddr &addr,
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bool displayPort = true, bool displayHex = false);
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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// comparators for osiSockAddr
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struct comp_osiSockAddrPtr {
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bool operator()(osiSockAddr const *a, osiSockAddr const *b) {
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if(a->sa.sa_family<b->sa.sa_family) return true;
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if((a->sa.sa_family==b->sa.sa_family)&&(a->ia.sin_addr.s_addr
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<b->ia.sin_addr.s_addr)) return true;
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if((a->sa.sa_family==b->sa.sa_family)&&(a->ia.sin_addr.s_addr
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==b->ia.sin_addr.s_addr)&&(a->ia.sin_port
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<b->ia.sin_port)) return true;
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return false;
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}
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};
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struct comp_osiSock_lt {
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bool operator()(const osiSockAddr& a, const osiSockAddr& b) {
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if(a.sa.sa_family<b.sa.sa_family) return true;
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if((a.sa.sa_family==b.sa.sa_family)&&(a.ia.sin_addr.s_addr
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<b.ia.sin_addr.s_addr)) return true;
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if((a.sa.sa_family==b.sa.sa_family)&&(a.ia.sin_addr.s_addr
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==b.ia.sin_addr.s_addr)&&(a.ia.sin_port
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<b.ia.sin_port)) return true;
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return false;
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}
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};
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//TODO if unordered map is used instead of map we can use sockAddrAreIdentical routine from osiSock.h
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struct comp_osiSockAddr {
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bool operator()(osiSockAddr const a, osiSockAddr const b) {
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if(a.sa.sa_family<b.sa.sa_family) return true;
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if((a.sa.sa_family==b.sa.sa_family)&&(a.ia.sin_addr.s_addr
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<b.ia.sin_addr.s_addr)) return true;
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if((a.sa.sa_family==b.sa.sa_family)&&(a.ia.sin_addr.s_addr
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==b.ia.sin_addr.s_addr)&&(a.ia.sin_port
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<b.ia.sin_port)) return true;
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return false;
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}
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};
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}
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}
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#endif /* INETADDRESSUTIL_H_ */
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