387 lines
11 KiB
C++
387 lines
11 KiB
C++
#include <epicsUnitTest.h>
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#include <testMain.h>
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#include <pv/inetAddressUtil.h>
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#include <pv/logger.h>
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#include <pv/byteBuffer.h>
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#include <pv/pvType.h>
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#include <epicsAssert.h>
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#include <osiSock.h>
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#include <iostream>
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#include <cstring>
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using namespace epics::pvData;
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using namespace epics::pvAccess;
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using namespace std;
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void test_getSocketAddressList()
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{
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testDiag("Test getSocketAddressList()");
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InetAddrVector vec;
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getSocketAddressList(vec, "127.0.0.1 10.10.12.11:1234 192.168.3.4", 555);
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testOk1(static_cast<size_t>(3) == vec.size());
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osiSockAddr addr;
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addr = vec.at(0);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1(htons(555) == addr.ia.sin_port);
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testOk1(htonl(0x7F000001) == addr.ia.sin_addr.s_addr);
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testOk1("127.0.0.1:555" == inetAddressToString(addr));
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addr = vec.at(1);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1(htons(1234) == addr.ia.sin_port);
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testOk1(htonl(0x0A0A0C0B) == addr.ia.sin_addr.s_addr);
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testOk1("10.10.12.11:1234" == inetAddressToString(addr));
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addr = vec.at(2);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1(htons(555) == addr.ia.sin_port);
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testOk1(htonl(0xC0A80304) == addr.ia.sin_addr.s_addr);
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testOk1("192.168.3.4:555" == inetAddressToString(addr));
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InetAddrVector vec1;
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getSocketAddressList(vec1, "172.16.55.160", 6789, &vec);
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testOk1(static_cast<size_t>(4) == vec1.size());
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addr = vec1.at(0);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1(htons(6789) == addr.ia.sin_port);
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testOk1(htonl(0xAC1037A0) == addr.ia.sin_addr.s_addr);
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testOk1("172.16.55.160:6789" == inetAddressToString(addr));
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addr = vec1.at(1);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1(htons(555) == addr.ia.sin_port);
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testOk1(htonl(0x7F000001) == addr.ia.sin_addr.s_addr);
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testOk1("127.0.0.1:555" == inetAddressToString(addr));
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addr = vec1.at(2);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1(htons(1234) == addr.ia.sin_port);
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testOk1(htonl(0x0A0A0C0B) == addr.ia.sin_addr.s_addr);
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testOk1("10.10.12.11:1234" == inetAddressToString(addr));
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addr = vec1.at(3);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1(htons(555) == addr.ia.sin_port);
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testOk1(htonl(0xC0A80304) == addr.ia.sin_addr.s_addr);
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testOk1("192.168.3.4:555" == inetAddressToString(addr));
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// empty
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InetAddrVector vec2;
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getSocketAddressList(vec2, "", 1111);
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testOk1(static_cast<size_t>(0) == vec2.size());
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// just spaces
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InetAddrVector vec3;
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getSocketAddressList(vec3, " ", 1111);
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testOk1(static_cast<size_t>(0) == vec3.size());
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// leading spaces
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InetAddrVector vec4;
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getSocketAddressList(vec4, " 127.0.0.1 10.10.12.11:1234 192.168.3.4", 555);
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testOk1(static_cast<size_t>(3) == vec4.size());
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addr = vec4.at(0);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1(htons(555) == addr.ia.sin_port);
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testOk1(htonl(0x7F000001) == addr.ia.sin_addr.s_addr);
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testOk1("127.0.0.1:555" == inetAddressToString(addr));
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addr = vec4.at(1);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1(htons(1234) == addr.ia.sin_port);
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testOk1(htonl(0x0A0A0C0B) == addr.ia.sin_addr.s_addr);
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testOk1("10.10.12.11:1234" == inetAddressToString(addr));
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addr = vec4.at(2);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1(htons(555) == addr.ia.sin_port);
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testOk1(htonl(0xC0A80304) == addr.ia.sin_addr.s_addr);
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testOk1("192.168.3.4:555" == inetAddressToString(addr));
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}
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void test_ipv4AddressToInt()
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{
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testDiag("Test ipv4AddressToInt()");
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InetAddrVector vec;
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getSocketAddressList(vec, "127.0.0.1 10.10.12.11:1234 192.168.3.4", 555);
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testOk1(static_cast<size_t>(3) == vec.size());
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testOk1((int32)0x7F000001 == ipv4AddressToInt((vec.at(0))));
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testOk1((int32)0x0A0A0C0B == ipv4AddressToInt((vec.at(1))));
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testOk1((int32)0xC0A80304 == ipv4AddressToInt((vec.at(2))));
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}
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void test_intToIPv4Address()
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{
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testDiag("Test intToIPv4Address()");
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osiSockAddr addr;
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intToIPv4Address(addr, 0x7F000001);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1("127.0.0.1:0" == inetAddressToString(addr));
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intToIPv4Address(addr, 0x0A0A0C0B);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1("10.10.12.11:0" == inetAddressToString(addr));
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}
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void test_encodeAsIPv6Address()
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{
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testDiag("Test encodeAsIPv6Address()");
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auto_ptr<ByteBuffer> buff(new ByteBuffer(32, EPICS_ENDIAN_LITTLE));
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char src[] = { (char)0, (char)0, (char)0, (char)0, (char)0, (char)0,
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(char)0, (char)0, (char)0, (char)0, (char)0xFF, (char)0xFF,
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(char)0x0A, (char)0x0A, (char)0x0C, (char)0x0B
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};
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osiSockAddr addr;
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intToIPv4Address(addr, 0x0A0A0C0B);
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encodeAsIPv6Address(buff.get(), &addr);
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testOk1(static_cast<size_t>(16) == buff->getPosition());
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testOk1(strncmp(buff->getArray(), src, 16) == 0);
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}
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void test_isMulticastAddress()
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{
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testDiag("Test test_isMulticastAddress()");
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InetAddrVector vec;
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getSocketAddressList(vec, "127.0.0.1 255.255.255.255 0.0.0.0 224.0.0.0 239.255.255.255 235.3.6.3", 0);
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testOk1(static_cast<size_t>(6) == vec.size());
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testOk1(!isMulticastAddress(&vec.at(0)));
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testOk1(!isMulticastAddress(&vec.at(1)));
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testOk1(!isMulticastAddress(&vec.at(2)));
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testOk1(isMulticastAddress(&vec.at(3)));
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testOk1(isMulticastAddress(&vec.at(4)));
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testOk1(isMulticastAddress(&vec.at(5)));
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}
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void test_getBroadcastAddresses()
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{
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testDiag("Test getBroadcastAddresses()");
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osiSockAttach();
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SOCKET socket = epicsSocketCreate(AF_INET, SOCK_STREAM, IPPROTO_TCP);
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InetAddrVector broadcasts;
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getBroadcastAddresses(broadcasts, socket, 6678);
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// at least one is expected, in case of no network connection a fallback address is returned
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testOk1(static_cast<size_t>(0) < broadcasts.size());
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//testDiag("getBroadcastAddresses() returned %zu entry/-ies.", broadcasts->size());
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epicsSocketDestroy(socket);
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// debug
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for(size_t i = 0; i<broadcasts.size(); i++) {
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testDiag("%s", inetAddressToString(broadcasts[i]).c_str());
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}
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}
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void test_getLoopbackNIF()
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{
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testDiag("Test getLoopbackNIF()");
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osiSockAddr addr;
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unsigned short port = 5555;
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int defaultValue = getLoopbackNIF(addr, "", port);
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testOk1(defaultValue);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1(htons(port) == addr.ia.sin_port);
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testOk1(htonl(INADDR_LOOPBACK) == addr.ia.sin_addr.s_addr);
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defaultValue = getLoopbackNIF(addr, "10.0.0.1:7777", port);
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testOk1(!defaultValue);
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testOk1(AF_INET == addr.ia.sin_family);
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testOk1(htons(7777) == addr.ia.sin_port);
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testOk1(htonl(0x0A000001) == addr.ia.sin_addr.s_addr);
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}
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#ifdef _WIN32
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// needed for ip_mreq
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#include <ws2tcpip.h>
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#endif
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void test_multicastLoopback()
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{
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testDiag("Test test_multicast()");
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osiSockAttach();
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SOCKET socket = epicsSocketCreate(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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testOk1(socket != INVALID_SOCKET);
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if (socket == INVALID_SOCKET)
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testAbort("Can't allocate socket");
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unsigned short port = 5555;
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// set SO_REUSEADDR or SO_REUSEPORT, OS dependant
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epicsSocketEnableAddressUseForDatagramFanout(socket);
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osiSockAddr bindAddr;
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bindAddr.ia.sin_family = AF_INET;
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bindAddr.ia.sin_port = ntohs(port);
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bindAddr.ia.sin_addr.s_addr = htonl(INADDR_ANY);
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int status = ::bind(socket, (sockaddr*)&(bindAddr.sa), sizeof(sockaddr));
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if (status)
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{
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char errStr[64];
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epicsSocketConvertErrnoToString(errStr, sizeof(errStr));
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testFail("Failed to bind: %s\n", errStr);
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epicsSocketDestroy(socket);
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return;
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}
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osiSockAddr loAddr;
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getLoopbackNIF(loAddr, "", port);
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osiSockAddr mcastAddr;
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aToIPAddr("224.0.0.128", port, &mcastAddr.ia);
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struct ip_mreq imreq;
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memset(&imreq, 0, sizeof(struct ip_mreq));
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imreq.imr_multiaddr.s_addr = mcastAddr.ia.sin_addr.s_addr;
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imreq.imr_interface.s_addr = loAddr.ia.sin_addr.s_addr;
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// join multicast group on default interface
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status = ::setsockopt(socket, IPPROTO_IP, IP_ADD_MEMBERSHIP,
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(char*)&imreq, sizeof(struct ip_mreq));
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if (status)
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{
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char errStr[64];
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epicsSocketConvertErrnoToString(errStr, sizeof(errStr));
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testFail("Error setting IP_ADD_MEMBERSHIP: %s\n", errStr);
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}
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testOk(status == 0, "IP_ADD_MEMBERSHIP set");
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SOCKET sendSocket = epicsSocketCreate(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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testOk1(sendSocket != INVALID_SOCKET);
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if (sendSocket == INVALID_SOCKET)
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return;
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// set the multicast outgoing interface
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status = ::setsockopt(sendSocket, IPPROTO_IP, IP_MULTICAST_IF,
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(char*)&loAddr.ia.sin_addr, sizeof(struct in_addr));
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if (status)
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{
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char errStr[64];
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epicsSocketConvertErrnoToString(errStr, sizeof(errStr));
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testFail("Error setting IP_MULTICAST_IF: %s\n", errStr);
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}
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testOk(status == 0, "IP_MULTICAST_IF set");
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// send multicast traffic to myself too
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unsigned char mcast_loop = 1;
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status = ::setsockopt(sendSocket, IPPROTO_IP, IP_MULTICAST_LOOP,
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(char*)&mcast_loop, sizeof(unsigned char));
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if (status)
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{
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char errStr[64];
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epicsSocketConvertErrnoToString(errStr, sizeof(errStr));
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testFail("Error setting IP_MULTICAST_LOOP: %s\n", errStr);
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}
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testOk(status == 0, "IP_MULTICAST_LOOP set");
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// put some data in buffer
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#define MAX_BUFFER_SIZE 1024
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char txbuff[MAX_BUFFER_SIZE];
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strcpy(txbuff, "mcastTest");
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// send multicast packet
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size_t len = strlen(txbuff);
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status = ::sendto(sendSocket, txbuff, len, 0,
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&(mcastAddr.sa), sizeof(sockaddr));
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if (status < 0)
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{
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char errStr[64];
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epicsSocketConvertErrnoToString(errStr, sizeof(errStr));
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testFail("Multicast send error: %s\n", errStr);
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}
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testOk((size_t)status == len, "Multicast send");
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// set timeout in case message is not sent
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struct timeval timeout;
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memset(&timeout, 0, sizeof(struct timeval));
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timeout.tv_sec = 1;
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timeout.tv_usec = 0;
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status = ::setsockopt (socket, SOL_SOCKET, SO_RCVTIMEO,
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(char*)&timeout, sizeof(timeout));
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if (status)
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{
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char errStr[64];
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epicsSocketConvertErrnoToString(errStr, sizeof(errStr));
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testFail("Error setting SO_RCVTIMEO: %s\n", errStr);
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}
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testOk(status == 0, "SO_RCVTIMEO set");
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char rxbuff[MAX_BUFFER_SIZE];
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osiSockAddr fromAddress;
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osiSocklen_t addrStructSize = sizeof(sockaddr);
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// receive packet from socket
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status = ::recvfrom(socket, rxbuff, MAX_BUFFER_SIZE, 0,
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(sockaddr*)&fromAddress, &addrStructSize);
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if (status < 0)
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{
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char errStr[64];
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epicsSocketConvertErrnoToString(errStr, sizeof(errStr));
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testFail("Multicast recv error: %s\n", errStr);
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}
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testOk((size_t)status == len, "Multicast recv");
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testOk(strncmp(rxbuff, txbuff, len) == 0, "Multicast content matches");
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// shutdown sockets?
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epicsSocketDestroy(sendSocket);
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epicsSocketDestroy(socket);
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}
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MAIN(testInetAddressUtils)
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{
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testPlan(80);
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testDiag("Tests for InetAddress utils");
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test_getSocketAddressList();
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test_ipv4AddressToInt();
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test_intToIPv4Address();
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test_encodeAsIPv6Address();
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test_isMulticastAddress();
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test_getBroadcastAddresses();
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test_getLoopbackNIF();
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test_multicastLoopback();
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return testDone();
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}
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