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DatagramSocketTest.cpp
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//
// DatagramSocketTest.cpp
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "DatagramSocketTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "UDPEchoServer.h"
#include "Poco/Net/DatagramSocket.h"
#include "Poco/Net/NetworkInterface.h"
#include "Poco/Net/NetException.h"
#include "Poco/Timespan.h"
#include "Poco/Buffer.h"
#include "Poco/Stopwatch.h"
#include "Poco/Thread.h"
#include <cstring>
using Poco::Net::Socket;
using Poco::Net::DatagramSocket;
using Poco::Net::SocketAddress;
using Poco::Net::IPAddress;
#ifdef POCO_NET_HAS_INTERFACE
using Poco::Net::NetworkInterface;
#endif
using Poco::Timespan;
using Poco::Buffer;
using Poco::Stopwatch;
using Poco::TimeoutException;
using Poco::InvalidArgumentException;
using Poco::IOException;
using Poco::Thread;
DatagramSocketTest::DatagramSocketTest(const std::string& name): CppUnit::TestCase(name)
{
}
DatagramSocketTest::~DatagramSocketTest()
{
}
void DatagramSocketTest::testEcho()
{
UDPEchoServer echoServer;
DatagramSocket ss;
char buffer[256];
ss.connect(SocketAddress("127.0.0.1", echoServer.port()));
int n = ss.sendBytes("hello", 5);
assertTrue (n == 5);
n = ss.receiveBytes(buffer, sizeof(buffer));
assertTrue (n == 5);
assertTrue (std::string(buffer, n) == "hello");
ss.close();
}
void DatagramSocketTest::testMoveDatagramSocket()
{
UDPEchoServer echoServer;
DatagramSocket ss0 = DatagramSocket();
char buffer[256];
ss0.connect(SocketAddress("127.0.0.1", echoServer.port()));
DatagramSocket ss(std::move(ss0));
#if POCO_NEW_STATE_ON_MOVE
assertTrue (ss0.isNull());
#else
assertFalse (ss0.isNull());
#endif
int n = ss.sendBytes("hello", 5);
assertTrue (n == 5);
n = ss.receiveBytes(buffer, sizeof(buffer));
assertTrue (n == 5);
assertTrue (std::string(buffer, n) == "hello");
std::memset(buffer, 0, sizeof(buffer));
ss0 = ss;
assertTrue (ss0.impl());
assertTrue (ss.impl());
assertTrue (ss0.impl() == ss.impl());
ss = std::move(ss0);
#if POCO_NEW_STATE_ON_MOVE
assertTrue (ss0.isNull());
#else
assertFalse (ss0.isNull());
#endif
assertTrue (ss.impl());
n = ss.sendBytes("hello", 5);
assertTrue (n == 5);
n = ss.receiveBytes(buffer, sizeof(buffer));
assertTrue (n == 5);
assertTrue (std::string(buffer, n) == "hello");
ss.close();
ss0.close();
}
void DatagramSocketTest::testEchoBuffer()
{
UDPEchoServer echoServer;
DatagramSocket ss;
Buffer<char> buffer(0);
ss.connect(SocketAddress("127.0.0.1", echoServer.port()));
int n = ss.receiveBytes(buffer);
assertTrue (n == 0);
assertTrue (buffer.size() == 0);
n = ss.sendBytes("hello", 5);
assertTrue (n == 5);
n = ss.receiveBytes(buffer);
assertTrue (n == 5);
assertTrue (buffer.size() == 5);
assertTrue (std::string(buffer.begin(), n) == "hello");
ss.close();
}
void DatagramSocketTest::testReceiveFromAvailable()
{
UDPEchoServer echoServer(SocketAddress("127.0.0.1", 0));
DatagramSocket ss(SocketAddress::IPv4);
int n = ss.sendTo("hello", 5, SocketAddress("127.0.0.1", echoServer.port()));
assertTrue (n == 5);
Thread::sleep(100);
char buffer[256];
SocketAddress sa;
assertTrue (ss.available() == 5);
n = ss.receiveFrom(buffer, sizeof(buffer), sa);
assertTrue (sa.host() == echoServer.address().host());
assertTrue (sa.port() == echoServer.port());
assertTrue (n == 5);
assertTrue (std::string(buffer, n) == "hello");
ss.close();
}
void DatagramSocketTest::testSendToReceiveFrom()
{
UDPEchoServer echoServer(SocketAddress("127.0.0.1", 0));
DatagramSocket ss(SocketAddress::IPv4);
int n = ss.sendTo("hello", 5, SocketAddress("127.0.0.1", echoServer.port()));
assertTrue (n == 5);
char buffer[256];
SocketAddress sa;
n = ss.receiveFrom(buffer, sizeof(buffer), sa);
assertTrue (sa.host() == echoServer.address().host());
assertTrue (sa.port() == echoServer.port());
assertTrue (n == 5);
assertTrue (std::string(buffer, n) == "hello");
ss.close();
}
void DatagramSocketTest::testUnbound()
{
UDPEchoServer echoServer;
DatagramSocket ss;
char buffer[256];
ss.connect(SocketAddress("127.0.0.1", echoServer.port()));
int n = ss.sendBytes("hello", 5);
assertTrue (n == 5);
n = ss.receiveBytes(buffer, sizeof(buffer));
assertTrue (n == 5);
assertTrue (std::string(buffer, n) == "hello");
ss.close();
}
Poco::UInt16 DatagramSocketTest::getFreePort(SocketAddress::Family family, Poco::UInt16 port)
{
bool failed = false;
poco_assert_dbg(port > 0);
--port;
DatagramSocket sock(family);
do
{
failed = false;
SocketAddress sa(family, ++port);
try
{
sock.bind(sa, false);
}
catch (Poco::Net::NetException&)
{
failed = true;
}
} while (failed && sock.getError() == POCO_EADDRINUSE);
return port;
}
void DatagramSocketTest::testReuseAddressPortWildcard()
{
Poco::UInt16 port = getFreePort(SocketAddress::IPv4, 1234);
Poco::UInt16 port6 = getFreePort(SocketAddress::IPv6, 1234);
assertTrue(port >= 1234);
assertTrue(port6 >= 1234);
// reuse
{
DatagramSocket ds1(SocketAddress::IPv4);
ds1.bind(SocketAddress(port), true);
assertTrue(ds1.getReuseAddress());
DatagramSocket ds2;
ds2.bind(SocketAddress(port), true);
assertTrue(ds2.getReuseAddress());
#ifdef POCO_HAVE_IPv6
DatagramSocket ds3(SocketAddress::IPv6);
ds3.bind6(SocketAddress(SocketAddress::IPv6, port6), true, true, false);
assertTrue(ds3.getReuseAddress());
#endif
}
#ifdef POCO_HAVE_IPv6
{
DatagramSocket ds1(SocketAddress::IPv6);
ds1.bind6(SocketAddress(SocketAddress::IPv6, port6), true, true, false);
assertTrue(ds1.getReuseAddress());
DatagramSocket ds2;
ds2.bind6(SocketAddress(SocketAddress::IPv6, port6), true, true, false);
assertTrue(ds2.getReuseAddress());
DatagramSocket ds3;
ds3.bind(SocketAddress(port), true, true);
assertTrue(ds3.getReuseAddress());
}
#endif
#ifdef POCO_HAVE_IPv6
{
DatagramSocket ds1(SocketAddress::IPv6);
ds1.bind6(SocketAddress(SocketAddress::IPv6, port), true, true, true);
assertTrue(ds1.getReuseAddress());
DatagramSocket ds2;
ds2.bind6(SocketAddress(SocketAddress::IPv6, port), true, true, true);
assertTrue(ds2.getReuseAddress());
}
#endif
// not reuse
{
DatagramSocket ds1(SocketAddress::IPv4);
ds1.bind(SocketAddress(port), false);
assertTrue(!ds1.getReuseAddress());
DatagramSocket ds2;
try
{
ds2.bind(SocketAddress(port), false);
fail("binding to non-reuse address must throw");
}
catch (Poco::IOException&) {}
#ifdef POCO_HAVE_IPv6
{
DatagramSocket ds1(SocketAddress::IPv6);
ds1.bind6(SocketAddress(SocketAddress::IPv6, port), false, false, true);
assertTrue(!ds1.getReuseAddress());
DatagramSocket ds2(SocketAddress::IPv6);
try
{
ds2.bind6(SocketAddress(SocketAddress::IPv6, port), false, false, true);
fail("binding to non-reuse address must throw");
}
catch (Poco::IOException&) {}
}
#endif
}
}
void DatagramSocketTest::testReuseAddressPortSpecific()
{
Poco::UInt16 port = getFreePort(SocketAddress::IPv4, 1234);
assertTrue(port >= 1234);
// reuse
{
DatagramSocket ds1(SocketAddress::IPv4);
ds1.bind(SocketAddress(port), true);
assertTrue(ds1.getReuseAddress());
DatagramSocket ds2;
ds2.bind(SocketAddress("127.0.0.1", port), true);
assertTrue(ds2.getReuseAddress());
#ifdef POCO_HAVE_IPv6
DatagramSocket ds3(SocketAddress::IPv6);
ds3.bind6(SocketAddress("::1", port), true, true, false);
assertTrue(ds3.getReuseAddress());
#endif
}
// not reuse
{
DatagramSocket ds1(SocketAddress::IPv4);
ds1.bind(SocketAddress("0.0.0.0", port), false);
assertTrue(!ds1.getReuseAddress());
DatagramSocket ds2;
try
{
ds2.bind(SocketAddress("127.0.0.1", port), false);
fail("binding to non-reuse IPv4 address must throw");
}
catch (Poco::IOException&) {}
#ifdef POCO_HAVE_IPv6
{
DatagramSocket ds1(SocketAddress::IPv6);
ds1.bind6(SocketAddress("::", port), false, false, true);
assertTrue(!ds1.getReuseAddress());
DatagramSocket ds2(SocketAddress::IPv6);
try
{
ds2.bind6(SocketAddress("::1", port), false, false, true);
fail("binding to non-reuse IPv6 address must throw");
}
catch (Poco::IOException&) {}
}
#endif
}
}
void DatagramSocketTest::testBroadcast()
{
UDPEchoServer echoServer;
DatagramSocket ss(IPAddress::IPv4);
#if defined(POCO_NET_HAS_INTERFACE) && (POCO_OS == POCO_OS_FREE_BSD)
NetworkInterface ni = NetworkInterface::forName("em0");
SocketAddress sa(ni.broadcastAddress(1), echoServer.port());
#else
SocketAddress sa("255.255.255.255", echoServer.port());
#endif
// not all socket implementations fail if broadcast option is not set
/*
try
{
int n = ss.sendTo("hello", 5, sa);
fail ("broadcast option not set - must throw");
}
catch (IOException&)
{
}
*/
ss.setBroadcast(true);
#if (POCO_OS == POCO_OS_FREE_BSD)
int opt = 1;
poco_socklen_t len = sizeof(opt);
ss.impl()->setRawOption(IPPROTO_IP, IP_ONESBCAST, (const char*) &opt, len);
ss.impl()->getRawOption(IPPROTO_IP, IP_ONESBCAST, &opt, len);
assertTrue (opt == 1);
#endif
int n = ss.sendTo("hello", 5, sa);
assertTrue (n == 5);
char buffer[256] = { 0 };
n = ss.receiveBytes(buffer, 5);
assertTrue (n == 5);
assertTrue (std::string(buffer, n) == "hello");
ss.close();
}
void DatagramSocketTest::testGatherScatterFixed()
{
#if defined(POCO_OS_FAMILY_WINDOWS)
testGatherScatterFixedWin();
testGatherScatterSTRFFixedWin();
#elif defined(POCO_OS_FAMILY_UNIX)
testGatherScatterFixedUNIX();
testGatherScatterSTRFFixedUNIX();
#endif
}
void DatagramSocketTest::testGatherScatterFixedWin()
{
#if defined(POCO_OS_FAMILY_WINDOWS)
UDPEchoServer echoServer;
DatagramSocket ss;
Socket::BufVec sbv = Socket::makeBufVec(3, 10);
assertTrue (sbv.size() == 3);
std::memcpy(sbv[0].buf, "1234567890", 10);
std::memcpy(sbv[1].buf, "abcdefghij", 10);
std::memcpy(sbv[2].buf, "helloworld", 10);
ss.connect(SocketAddress("127.0.0.1", echoServer.port()));
int n = ss.sendBytes(sbv);
assertTrue (n == 30);
std::memset(sbv[0].buf, 0, 10);
std::memset(sbv[1].buf, 0, 10);
std::memset(sbv[2].buf, 0, 10);
char empty[10] = {};
assertTrue (0 == std::memcmp(sbv[0].buf, empty, 10));
assertTrue (0 == std::memcmp(sbv[1].buf, empty, 10));
assertTrue (0 == std::memcmp(sbv[2].buf, empty, 10));
n = ss.receiveBytes(sbv);
assertTrue (n == 30);
assertTrue (0 == std::memcmp(sbv[0].buf, "1234567890", 10));
assertTrue (0 == std::memcmp(sbv[1].buf, "abcdefghij", 10));
assertTrue (0 == std::memcmp(sbv[2].buf, "helloworld", 10));
Socket::destroyBufVec(sbv);
ss.close();
#endif
}
void DatagramSocketTest::testGatherScatterSTRFFixedWin()
{
#if defined(POCO_OS_FAMILY_WINDOWS)
UDPEchoServer echoServer(SocketAddress("127.0.0.1", 0));
DatagramSocket ss;
Socket::BufVec sbv = Socket::makeBufVec(3, 10);
assertTrue (sbv.size() == 3);
std::memcpy(sbv[0].buf, "1234567890", 10);
std::memcpy(sbv[1].buf, "abcdefghij", 10);
std::memcpy(sbv[2].buf, "helloworld", 10);
ss.connect(SocketAddress("127.0.0.1", echoServer.port()));
int n = ss.sendTo(sbv, SocketAddress("127.0.0.1", echoServer.port()));
assertTrue (n == 30);
std::memset(sbv[0].buf, 0, 10);
std::memset(sbv[1].buf, 0, 10);
std::memset(sbv[2].buf, 0, 10);
char empty[10] = {};
assertTrue (0 == std::memcmp(sbv[0].buf, empty, 10));
assertTrue (0 == std::memcmp(sbv[1].buf, empty, 10));
assertTrue (0 == std::memcmp(sbv[2].buf, empty, 10));
SocketAddress sa;
n = ss.receiveFrom(sbv, sa);
assertTrue (sa.host() == echoServer.address().host());
assertTrue (sa.port() == echoServer.port());
assertTrue (n == 30);
assertTrue (0 == std::memcmp(sbv[0].buf, "1234567890", 10));
assertTrue (0 == std::memcmp(sbv[1].buf, "abcdefghij", 10));
assertTrue (0 == std::memcmp(sbv[2].buf, "helloworld", 10));
Socket::destroyBufVec(sbv);
ss.close();
#endif
}
void DatagramSocketTest::testGatherScatterFixedUNIX()
{
#if defined(POCO_OS_FAMILY_UNIX)
UDPEchoServer echoServer;
DatagramSocket ss;
Socket::BufVec sbv = Socket::makeBufVec(3, 10);
assertTrue (sbv.size() == 3);
std::memcpy(sbv[0].iov_base, "1234567890", 10);
std::memcpy(sbv[1].iov_base, "abcdefghij", 10);
std::memcpy(sbv[2].iov_base, "helloworld", 10);
ss.connect(SocketAddress("127.0.0.1", echoServer.port()));
int n = ss.sendBytes(sbv);
assertTrue (n == 30);
std::memset(sbv[0].iov_base, 0, 10);
std::memset(sbv[1].iov_base, 0, 10);
std::memset(sbv[2].iov_base, 0, 10);
char empty[10] = {};
assertTrue (0 == std::memcmp(sbv[0].iov_base, empty, 10));
assertTrue (0 == std::memcmp(sbv[1].iov_base, empty, 10));
assertTrue (0 == std::memcmp(sbv[2].iov_base, empty, 10));
n = ss.receiveBytes(sbv);
assertTrue (n == 30);
assertTrue (0 == std::memcmp(sbv[0].iov_base, "1234567890", 10));
assertTrue (0 == std::memcmp(sbv[1].iov_base, "abcdefghij", 10));
assertTrue (0 == std::memcmp(sbv[2].iov_base, "helloworld", 10));
Socket::destroyBufVec(sbv);
ss.close();
#endif
}
void DatagramSocketTest::testGatherScatterSTRFFixedUNIX()
{
#if defined(POCO_OS_FAMILY_UNIX)
UDPEchoServer echoServer(SocketAddress("127.0.0.1", 0));
DatagramSocket ss;
Socket::BufVec sbv = Socket::makeBufVec(3, 10);
assertTrue (sbv.size() == 3);
std::memcpy(sbv[0].iov_base, "1234567890", 10);
std::memcpy(sbv[1].iov_base, "abcdefghij", 10);
std::memcpy(sbv[2].iov_base, "helloworld", 10);
int n = ss.sendTo(sbv, SocketAddress("127.0.0.1", echoServer.port()));
assertTrue (n == 30);
std::memset(sbv[0].iov_base, 0, 10);
std::memset(sbv[1].iov_base, 0, 10);
std::memset(sbv[2].iov_base, 0, 10);
char empty[10] = {};
assertTrue (0 == std::memcmp(sbv[0].iov_base, empty, 10));
assertTrue (0 == std::memcmp(sbv[1].iov_base, empty, 10));
assertTrue (0 == std::memcmp(sbv[2].iov_base, empty, 10));
SocketAddress sa;
n = ss.receiveFrom(sbv, sa);
assertTrue (sa.host() == echoServer.address().host());
assertTrue (sa.port() == echoServer.port());
assertTrue (n == 30);
assertTrue (0 == std::memcmp(sbv[0].iov_base, "1234567890", 10));
assertTrue (0 == std::memcmp(sbv[1].iov_base, "abcdefghij", 10));
assertTrue (0 == std::memcmp(sbv[2].iov_base, "helloworld", 10));
Socket::destroyBufVec(sbv);
ss.close();
#endif
}
void DatagramSocketTest::testGatherScatterVariable()
{
#if defined(POCO_OS_FAMILY_WINDOWS)
testGatherScatterVariableWin();
testGatherScatterSTRFVariableWin();
#elif defined(POCO_OS_FAMILY_UNIX)
testGatherScatterVariableUNIX();
testGatherScatterSTRFVariableUNIX();
#endif
}
void DatagramSocketTest::testGatherScatterVariableWin()
{
#if defined(POCO_OS_FAMILY_WINDOWS)
UDPEchoServer echoServer(SocketAddress("127.0.0.1", 0));
DatagramSocket ss;
std::vector<std::string> strOut(3);
strOut[0] = "123";
strOut[1] = "abcdef";
strOut[2] = "helloworld";
Socket::BufVec sbvOut = Socket::makeBufVec(strOut);
assertTrue (sbvOut.size() == 3);
assertTrue (sbvOut[0].len == 3);
assertTrue (sbvOut[1].len == 6);
assertTrue (sbvOut[2].len == 10);
assertTrue (0 == std::memcmp(sbvOut[0].buf, "123", 3));
assertTrue (0 == std::memcmp(sbvOut[1].buf, "abcdef", 6));
assertTrue (0 == std::memcmp(sbvOut[2].buf, "helloworld", 10));
ss.connect(SocketAddress("127.0.0.1", echoServer.port()));
int n = ss.sendTo(sbvOut, SocketAddress("127.0.0.1", echoServer.port()));
assertTrue (n == 19);
std::vector<char*> strIn(3);
strIn[0] = (char*) calloc(4, 1);
strIn[1] = (char*) calloc(7, 1);
strIn[2] = (char*) calloc(11, 1);
std::memcpy(strIn[0], "321", 3);
std::memcpy(strIn[1], "fedcba", 6);
std::memcpy(strIn[2], "dlrowolleh", 10);
Socket::BufVec sbvIn = Socket::makeBufVec(strIn);
assertTrue (sbvIn.size() == 3);
assertTrue (sbvIn[0].len == 3);
assertTrue (sbvIn[1].len == 6);
assertTrue (sbvIn[2].len == 10);
assertTrue (0 == std::memcmp(sbvIn[0].buf, "321", 3));
assertTrue (0 == std::memcmp(sbvIn[1].buf, "fedcba", 6));
assertTrue (0 == std::memcmp(sbvIn[2].buf, "dlrowolleh", 10));
SocketAddress sa;
n = ss.receiveFrom(sbvIn, sa);
assertTrue (sa.host() == echoServer.address().host());
assertTrue (sa.port() == echoServer.port());
assertTrue (n == 19);
assertTrue (0 == std::memcmp(sbvIn[0].buf, "123", 3));
assertTrue (0 == std::memcmp(sbvIn[1].buf, "abcdef", 6));
assertTrue (0 == std::memcmp(sbvIn[2].buf, "helloworld", 10));
n = ss.sendBytes(sbvOut);
assertTrue (n == 19);
std::reverse(sbvIn.begin(), sbvIn.end());
n = ss.receiveBytes(sbvIn);
assertTrue (n == 19);
assertTrue (0 == std::memcmp(sbvIn[0].buf, "123abcdefh", 10));
assertTrue (0 == std::memcmp(sbvIn[1].buf, "ellowo", 6));
assertTrue (0 == std::memcmp(sbvIn[2].buf, "rld", 3));
free(strIn[0]);
free(strIn[1]);
free(strIn[2]);
ss.close();
#endif
}
void DatagramSocketTest::testGatherScatterSTRFVariableWin()
{
#if defined(POCO_OS_FAMILY_WINDOWS)
UDPEchoServer echoServer;
DatagramSocket ss;
std::vector<std::string> strOut(3);
strOut[0] = "123";
strOut[1] = "abcdef";
strOut[2] = "helloworld";
Socket::BufVec sbvOut = Socket::makeBufVec(strOut);
assertTrue (sbvOut.size() == 3);
assertTrue (sbvOut[0].len == 3);
assertTrue (sbvOut[1].len == 6);
assertTrue (sbvOut[2].len == 10);
assertTrue (0 == std::memcmp(sbvOut[0].buf, "123", 3));
assertTrue (0 == std::memcmp(sbvOut[1].buf, "abcdef", 6));
assertTrue (0 == std::memcmp(sbvOut[2].buf, "helloworld", 10));
ss.connect(SocketAddress("127.0.0.1", echoServer.port()));
int n = ss.sendBytes(sbvOut);
assertTrue (n == 19);
std::vector<char*> strIn(3);
strIn[0] = new char[4];
strIn[1] = new char[7];
strIn[2] = new char[11];
std::memcpy(strIn[0], "321", 3); strIn[0][3] = '\0';
std::memcpy(strIn[1], "fedcba", 6); strIn[1][6] = '\0';
std::memcpy(strIn[2], "dlrowolleh", 10); strIn[2][10] = '\0';
Socket::BufVec sbvIn = Socket::makeBufVec(strIn);
assertTrue (sbvIn.size() == 3);
assertTrue (sbvIn[0].len == 3);
assertTrue (sbvIn[1].len == 6);
assertTrue (sbvIn[2].len == 10);
assertTrue (0 == std::memcmp(sbvIn[0].buf, "321", 3));
assertTrue (0 == std::memcmp(sbvIn[1].buf, "fedcba", 6));
assertTrue (0 == std::memcmp(sbvIn[2].buf, "dlrowolleh", 10));
n = ss.receiveBytes(sbvIn);
assertTrue (n == 19);
assertTrue (0 == std::memcmp(sbvIn[0].buf, "123", 3));
assertTrue (0 == std::memcmp(sbvIn[1].buf, "abcdef", 6));
assertTrue (0 == std::memcmp(sbvIn[2].buf, "helloworld", 10));
n = ss.sendBytes(sbvOut);
assertTrue (n == 19);
std::reverse(sbvIn.begin(), sbvIn.end());
n = ss.receiveBytes(sbvIn);
assertTrue (n == 19);
assertTrue (0 == std::memcmp(sbvIn[0].buf, "123abcdefh", 10));
assertTrue (0 == std::memcmp(sbvIn[1].buf, "ellowo", 6));
assertTrue (0 == std::memcmp(sbvIn[2].buf, "rld", 3));
delete [] strIn[0];
delete [] strIn[1];
delete [] strIn[2];
ss.close();
#endif
}
void DatagramSocketTest::testGatherScatterSTRFVariableUNIX()
{
#if defined(POCO_OS_FAMILY_UNIX)
UDPEchoServer echoServer;
DatagramSocket ss;
std::vector<std::string> strOut(3);
strOut[0] = "123";
strOut[1] = "abcdef";
strOut[2] = "helloworld";
Socket::BufVec sbvOut = Socket::makeBufVec(strOut);
assertTrue (sbvOut.size() == 3);
assertTrue (sbvOut[0].iov_len == 3);
assertTrue (sbvOut[1].iov_len == 6);
assertTrue (sbvOut[2].iov_len == 10);
assertTrue (0 == std::memcmp(sbvOut[0].iov_base, "123", 3));
assertTrue (0 == std::memcmp(sbvOut[1].iov_base, "abcdef", 6));
assertTrue (0 == std::memcmp(sbvOut[2].iov_base, "helloworld", 10));
ss.connect(SocketAddress("127.0.0.1", echoServer.port()));
int n = ss.sendBytes(sbvOut);
assertTrue (n == 19);
std::vector<char*> strIn(3);
strIn[0] = new char[4];
strIn[1] = new char[7];
strIn[2] = new char[11];
std::memcpy(strIn[0], "321", 3); strIn[0][3] = '\0';
std::memcpy(strIn[1], "fedcba", 6); strIn[1][6] = '\0';
std::memcpy(strIn[2], "dlrowolleh", 10); strIn[2][10] = '\0';
Socket::BufVec sbvIn = Socket::makeBufVec(strIn);
assertTrue (sbvIn.size() == 3);
assertTrue (sbvIn[0].iov_len == 3);
assertTrue (sbvIn[1].iov_len == 6);
assertTrue (sbvIn[2].iov_len == 10);
assertTrue (0 == std::memcmp(sbvIn[0].iov_base, "321", 3));
assertTrue (0 == std::memcmp(sbvIn[1].iov_base, "fedcba", 6));
assertTrue (0 == std::memcmp(sbvIn[2].iov_base, "dlrowolleh", 10));
n = ss.receiveBytes(sbvIn);
assertTrue (n == 19);
assertTrue (0 == std::memcmp(sbvIn[0].iov_base, "123", 3));
assertTrue (0 == std::memcmp(sbvIn[1].iov_base, "abcdef", 6));
assertTrue (0 == std::memcmp(sbvIn[2].iov_base, "helloworld", 10));
n = ss.sendBytes(sbvOut);
assertTrue (n == 19);
std::reverse(sbvIn.begin(), sbvIn.end());
n = ss.receiveBytes(sbvIn);
assertTrue (n == 19);
assertTrue (0 == std::memcmp(sbvIn[0].iov_base, "123abcdefh", 10));
assertTrue (0 == std::memcmp(sbvIn[1].iov_base, "ellowo", 6));
assertTrue (0 == std::memcmp(sbvIn[2].iov_base, "rld", 3));
delete [] strIn[0];
delete [] strIn[1];
delete [] strIn[2];
ss.close();
#endif
}
void DatagramSocketTest::testGatherScatterVariableUNIX()
{
#if defined(POCO_OS_FAMILY_UNIX)
UDPEchoServer echoServer;
DatagramSocket ss;
std::vector<std::string> strOut(3);
strOut[0] = "123";
strOut[1] = "abcdef";
strOut[2] = "helloworld";
Socket::BufVec sbvOut = Socket::makeBufVec(strOut);
assertTrue (sbvOut.size() == 3);
assertTrue (sbvOut[0].iov_len == 3);
assertTrue (sbvOut[1].iov_len == 6);
assertTrue (sbvOut[2].iov_len == 10);
assertTrue (0 == std::memcmp(sbvOut[0].iov_base, "123", 3));
assertTrue (0 == std::memcmp(sbvOut[1].iov_base, "abcdef", 6));
assertTrue (0 == std::memcmp(sbvOut[2].iov_base, "helloworld", 10));
ss.connect(SocketAddress("127.0.0.1", echoServer.port()));
int n = ss.sendBytes(sbvOut);
assertTrue (n == 19);
std::vector<char*> strIn(3);
strIn[0] = new char[4];
strIn[1] = new char[7];
strIn[2] = new char[11];
std::memcpy(strIn[0], "321", 3); strIn[0][3] = '\0';
std::memcpy(strIn[1], "fedcba", 6); strIn[1][6] = '\0';
std::memcpy(strIn[2], "dlrowolleh", 10); strIn[2][10] = '\0';
Socket::BufVec sbvIn = Socket::makeBufVec(strIn);
assertTrue (sbvIn.size() == 3);
assertTrue (sbvIn[0].iov_len == 3);
assertTrue (sbvIn[1].iov_len == 6);
assertTrue (sbvIn[2].iov_len == 10);
assertTrue (0 == std::memcmp(sbvIn[0].iov_base, "321", 3));
assertTrue (0 == std::memcmp(sbvIn[1].iov_base, "fedcba", 6));
assertTrue (0 == std::memcmp(sbvIn[2].iov_base, "dlrowolleh", 10));
n = ss.receiveBytes(sbvIn);
assertTrue (n == 19);
assertTrue (0 == std::memcmp(sbvIn[0].iov_base, "123", 3));
assertTrue (0 == std::memcmp(sbvIn[1].iov_base, "abcdef", 6));
assertTrue (0 == std::memcmp(sbvIn[2].iov_base, "helloworld", 10));
delete [] strIn[0];
delete [] strIn[1];
delete [] strIn[2];
ss.close();
#endif
}
void DatagramSocketTest::testLocalUDPConnectionResetWin()
{
#if defined(POCO_OS_FAMILY_WINDOWS)
// create a local UDP socket and connect to another local port which doesn't have a UDP socket
DatagramSocket socket(SocketAddress("127.0.0.1", 0), true, true);
socket.connect(SocketAddress("127.0.0.1", 2345));
// send some data to the socket
unsigned char values[5]{};
socket.sendBytes(values, 5);
try
{
// available calls recvfrom which can cause a "Connection Reset by Peer" error for UDP sockets in Windows due to ICMP packets for remote destination not existing
socket.available();
fail();
}
catch (const Poco::Net::ConnectionResetException&)
{
}
#endif
}
void DatagramSocketTest::setUp()
{
}
void DatagramSocketTest::tearDown()
{
}
CppUnit::Test* DatagramSocketTest::suite()
{
CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("DatagramSocketTest");
CppUnit_addTest(pSuite, DatagramSocketTest, testEcho);
CppUnit_addTest(pSuite, DatagramSocketTest, testMoveDatagramSocket);
CppUnit_addTest(pSuite, DatagramSocketTest, testEchoBuffer);
CppUnit_addTest(pSuite, DatagramSocketTest, testReceiveFromAvailable);
CppUnit_addTest(pSuite, DatagramSocketTest, testSendToReceiveFrom);
CppUnit_addTest(pSuite, DatagramSocketTest, testUnbound);
CppUnit_addTest(pSuite, DatagramSocketTest, testReuseAddressPortWildcard);
CppUnit_addTest(pSuite, DatagramSocketTest, testReuseAddressPortSpecific);
#if (POCO_OS != POCO_OS_FREE_BSD) // works only with local net bcast and very randomly
CppUnit_addTest(pSuite, DatagramSocketTest, testBroadcast);
#endif
CppUnit_addTest(pSuite, DatagramSocketTest, testGatherScatterFixed);
CppUnit_addTest(pSuite, DatagramSocketTest, testGatherScatterVariable);
CppUnit_addTest(pSuite, DatagramSocketTest, testLocalUDPConnectionResetWin);
return pSuite;
}