Files
rippled/beast/net/impl/IPAddress.cpp
2014-02-22 21:33:00 -08:00

401 lines
10 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of Beast: https://github.com/vinniefalco/Beast
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include <typeinfo>
#include "../IPAddress.h"
#include "../detail/Parse.h"
namespace beast {
namespace IP {
Address::Address ()
: m_type (ipv4)
{
}
Address::Address (AddressV4 const& addr)
: m_type (ipv4)
, m_v4 (addr)
{
}
Address::Address (AddressV6 const& addr)
: m_type (ipv6)
, m_v6 (addr)
{
}
Address& Address::operator= (AddressV4 const& addr)
{
m_type = ipv4;
m_v6 = AddressV6();
m_v4 = addr;
return *this;
}
Address& Address::operator= (AddressV6 const& addr)
{
m_type = ipv6;
m_v4 = AddressV4();
m_v6 = addr;
return *this;
}
std::pair <Address, bool> Address::from_string (std::string const& s)
{
std::stringstream is (s);
Address addr;
is >> addr;
if (! is.fail() && is.rdbuf()->in_avail() == 0)
return std::make_pair (addr, true);
return std::make_pair (Address (), false);
}
std::string Address::to_string () const
{
return (is_v4 ())
? IP::to_string (to_v4())
: IP::to_string (to_v6());
}
AddressV4 const& Address::to_v4 () const
{
if (m_type != ipv4)
throw std::bad_cast();
return m_v4;
}
AddressV6 const& Address::to_v6 () const
{
if (m_type != ipv6)
throw std::bad_cast();
return m_v6;
}
bool operator== (Address const& lhs, Address const& rhs)
{
if (lhs.is_v4 ())
{
if (rhs.is_v4 ())
return lhs.to_v4() == rhs.to_v4();
}
else
{
if (rhs.is_v6 ())
return lhs.to_v6() == rhs.to_v6();
}
return false;
}
bool operator< (Address const& lhs, Address const& rhs)
{
if (lhs.m_type < rhs.m_type)
return true;
if (lhs.is_v4 ())
return lhs.to_v4() < rhs.to_v4();
return lhs.to_v6() < rhs.to_v6();
}
//------------------------------------------------------------------------------
bool is_loopback (Address const& addr)
{
return (addr.is_v4 ())
? is_loopback (addr.to_v4 ())
: is_loopback (addr.to_v6 ());
}
bool is_unspecified (Address const& addr)
{
return (addr.is_v4 ())
? is_unspecified (addr.to_v4 ())
: is_unspecified (addr.to_v6 ());
}
bool is_multicast (Address const& addr)
{
return (addr.is_v4 ())
? is_multicast (addr.to_v4 ())
: is_multicast (addr.to_v6 ());
}
bool is_private (Address const& addr)
{
return (addr.is_v4 ())
? is_private (addr.to_v4 ())
: is_private (addr.to_v6 ());
}
bool is_public (Address const& addr)
{
return (addr.is_v4 ())
? is_public (addr.to_v4 ())
: is_public (addr.to_v6 ());
}
//------------------------------------------------------------------------------
std::size_t hash_value (Address const& addr)
{
return (addr.is_v4 ())
? hash_value (addr.to_v4())
: hash_value (addr.to_v6());
}
std::istream& operator>> (std::istream& is, Address& addr)
{
// VFALCO TODO Support ipv6!
AddressV4 addrv4;
is >> addrv4;
addr = Address (addrv4);
return is;
}
//------------------------------------------------------------------------------
class IPAddressTests : public UnitTest
{
public:
void shouldParseV4 (std::string const& s, uint32 value)
{
std::pair <AddressV4, bool> const result (
AddressV4::from_string (s));
if (expect (result.second))
{
if (expect (result.first.value == value))
{
expect (to_string (result.first) == s);
}
}
}
void failParseV4 (std::string const& s)
{
unexpected (AddressV4::from_string (s).second);
}
void testAddressV4 ()
{
beginTestCase ("AddressV4");
expect (AddressV4().value == 0);
expect (is_unspecified (AddressV4()));
expect (AddressV4(0x01020304).value == 0x01020304);
expect (AddressV4(1, 2, 3, 4).value == 0x01020304);
unexpected (is_unspecified (AddressV4(1, 2, 3, 4)));
AddressV4 const v1 (1);
expect (AddressV4(v1).value == 1);
{
AddressV4 v;
v = v1;
expect (v.value == v1.value);
}
{
AddressV4 v;
v [0] = 1;
v [1] = 2;
v [2] = 3;
v [3] = 4;
expect (v.value == 0x01020304);
}
expect (to_string (AddressV4(0x01020304)) == "1.2.3.4");
shouldParseV4 ("1.2.3.4", 0x01020304);
shouldParseV4 ("255.255.255.255", 0xffffffff);
shouldParseV4 ("0.0.0.0", 0);
failParseV4 (".");
failParseV4 ("..");
failParseV4 ("...");
failParseV4 ("....");
failParseV4 ("1");
failParseV4 ("1.");
failParseV4 ("1.2");
failParseV4 ("1.2.");
failParseV4 ("1.2.3");
failParseV4 ("1.2.3.");
failParseV4 ("256.0.0.0");
failParseV4 ("-1.2.3.4");
}
void testAddressV4Proxy ()
{
beginTestCase ("AddressV4::Proxy");
AddressV4 v4 (10, 0, 0, 1);
expect (v4[0]==10);
expect (v4[1]==0);
expect (v4[2]==0);
expect (v4[3]==1);
expect((!((0xff)<<16)) == 0x00000000);
expect((~((0xff)<<16)) == 0xff00ffff);
v4[1] = 10;
expect (v4[0]==10);
expect (v4[1]==10);
expect (v4[2]==0);
expect (v4[3]==1);
}
//--------------------------------------------------------------------------
void testAddress ()
{
beginTestCase ("Address");
std::pair <Address, bool> result (
Address::from_string ("1.2.3.4"));
expect (result.second);
if (expect (result.first.is_v4 ()))
expect (result.first.to_v4() == AddressV4 (1, 2, 3, 4));
}
//--------------------------------------------------------------------------
void testEndpoint ()
{
beginTestCase ("Endpoint");
{
std::pair <Endpoint, bool> result (
Endpoint::from_string_checked ("1.2.3.4"));
expect (result.second);
if (expect (result.first.address().is_v4 ()))
{
expect (result.first.address().to_v4() ==
AddressV4 (1, 2, 3, 4));
expect (result.first.port() == 0);
expect (to_string (result.first) == "1.2.3.4");
}
}
{
std::pair <Endpoint, bool> result (
Endpoint::from_string_checked ("1.2.3.4:5"));
expect (result.second);
if (expect (result.first.address().is_v4 ()))
{
expect (result.first.address().to_v4() ==
AddressV4 (1, 2, 3, 4));
expect (result.first.port() == 5);
expect (to_string (result.first) == "1.2.3.4:5");
}
}
Endpoint ep;
ep = Endpoint (AddressV4 (127,0,0,1), 80);
expect (! is_unspecified (ep));
expect (! is_public (ep));
expect ( is_private (ep));
expect (! is_multicast (ep));
expect ( is_loopback (ep));
expect (to_string (ep) == "127.0.0.1:80");
ep = Endpoint (AddressV4 (10,0,0,1));
expect (AddressV4::get_class (ep.to_v4()) == 'A');
expect (! is_unspecified (ep));
expect (! is_public (ep));
expect ( is_private (ep));
expect (! is_multicast (ep));
expect (! is_loopback (ep));
expect (to_string (ep) == "10.0.0.1");
ep = Endpoint (AddressV4 (166,78,151,147));
expect (! is_unspecified (ep));
expect ( is_public (ep));
expect (! is_private (ep));
expect (! is_multicast (ep));
expect (! is_loopback (ep));
expect (to_string (ep) == "166.78.151.147");
}
//--------------------------------------------------------------------------
template <typename T>
bool parse (char const* text, T& t)
{
std::string input (text);
std::istringstream stream (input);
stream >> t;
return !stream.fail();
}
template <typename T>
void shouldPass (char const* text)
{
T t;
expect (parse (text, t));
expect (to_string (t) == std::string (text));
}
template <typename T>
void shouldFail (char const* text)
{
T t;
unexpected (parse (text, t));
}
template <typename T>
void testParse (char const* name)
{
beginTestCase (name);
shouldPass <T> ("0.0.0.0");
shouldPass <T> ("192.168.0.1");
shouldPass <T> ("168.127.149.132");
shouldPass <T> ("168.127.149.132:80");
shouldPass <T> ("168.127.149.132:54321");
shouldFail <T> ("");
shouldFail <T> ("255");
shouldFail <T> ("512");
shouldFail <T> ("1.2.3.256");
shouldFail <T> ("1.2.3:80");
}
void runTest ()
{
testAddressV4 ();
testAddressV4Proxy();
testAddress ();
testEndpoint ();
testParse <Endpoint> ("Parse Endpoint");
}
IPAddressTests () : UnitTest ("IP::Endpoint", "beast")
{
}
};
static IPAddressTests ipEndpointTests;
}
}