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//===-- SocketAddress.cpp ---------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Host/SocketAddress.h"
#include <stddef.h>
// C Includes
#if !defined(_WIN32)
#include <arpa/inet.h>
#endif
#include <assert.h>
#include <string.h>
// C++ Includes
// Other libraries and framework includes
// Project includes
using namespace lldb_private;
//----------------------------------------------------------------------
// SocketAddress constructor
//----------------------------------------------------------------------
SocketAddress::SocketAddress ()
{
Clear ();
}
SocketAddress::SocketAddress (const struct sockaddr &s)
{
m_socket_addr.sa = s;
}
SocketAddress::SocketAddress (const struct sockaddr_in &s)
{
m_socket_addr.sa_ipv4 = s;
}
SocketAddress::SocketAddress (const struct sockaddr_in6 &s)
{
m_socket_addr.sa_ipv6 = s;
}
SocketAddress::SocketAddress (const struct sockaddr_storage &s)
{
m_socket_addr.sa_storage = s;
}
//----------------------------------------------------------------------
// SocketAddress copy constructor
//----------------------------------------------------------------------
SocketAddress::SocketAddress (const SocketAddress& rhs) :
m_socket_addr (rhs.m_socket_addr)
{
}
//----------------------------------------------------------------------
// Destructor
//----------------------------------------------------------------------
SocketAddress::~SocketAddress()
{
}
void
SocketAddress::Clear ()
{
memset (&m_socket_addr, 0, sizeof(m_socket_addr));
}
bool
SocketAddress::IsValid () const
{
return GetLength () != 0;
}
static socklen_t
GetFamilyLength (sa_family_t family)
{
switch (family)
{
case AF_INET: return sizeof(struct sockaddr_in);
case AF_INET6: return sizeof(struct sockaddr_in6);
}
assert(0 && "Unsupported address family");
return 0;
}
socklen_t
SocketAddress::GetLength () const
{
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__)
return m_socket_addr.sa.sa_len;
#else
return GetFamilyLength (GetFamily());
#endif
}
socklen_t
SocketAddress::GetMaxLength ()
{
return sizeof (sockaddr_t);
}
sa_family_t
SocketAddress::GetFamily () const
{
return m_socket_addr.sa.sa_family;
}
void
SocketAddress::SetFamily (sa_family_t family)
{
m_socket_addr.sa.sa_family = family;
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__)
m_socket_addr.sa.sa_len = GetFamilyLength (family);
#endif
}
uint16_t
SocketAddress::GetPort () const
{
switch (GetFamily())
{
case AF_INET: return ntohs(m_socket_addr.sa_ipv4.sin_port);
case AF_INET6: return ntohs(m_socket_addr.sa_ipv6.sin6_port);
}
return 0;
}
bool
SocketAddress::SetPort (uint16_t port)
{
switch (GetFamily())
{
case AF_INET:
m_socket_addr.sa_ipv4.sin_port = htons(port);
return true;
case AF_INET6:
m_socket_addr.sa_ipv6.sin6_port = htons(port);
return true;
}
return false;
}
//----------------------------------------------------------------------
// SocketAddress assignment operator
//----------------------------------------------------------------------
const SocketAddress&
SocketAddress::operator=(const SocketAddress& rhs)
{
if (this != &rhs)
m_socket_addr = rhs.m_socket_addr;
return *this;
}
const SocketAddress&
SocketAddress::operator=(const struct addrinfo *addr_info)
{
Clear();
if (addr_info &&
addr_info->ai_addr &&
addr_info->ai_addrlen > 0&&
addr_info->ai_addrlen <= sizeof m_socket_addr)
{
::memcpy (&m_socket_addr,
addr_info->ai_addr,
addr_info->ai_addrlen);
}
return *this;
}
const SocketAddress&
SocketAddress::operator=(const struct sockaddr &s)
{
m_socket_addr.sa = s;
return *this;
}
const SocketAddress&
SocketAddress::operator=(const struct sockaddr_in &s)
{
m_socket_addr.sa_ipv4 = s;
return *this;
}
const SocketAddress&
SocketAddress::operator=(const struct sockaddr_in6 &s)
{
m_socket_addr.sa_ipv6 = s;
return *this;
}
const SocketAddress&
SocketAddress::operator=(const struct sockaddr_storage &s)
{
m_socket_addr.sa_storage = s;
return *this;
}
bool
SocketAddress::getaddrinfo (const char *host,
const char *service,
int ai_family,
int ai_socktype,
int ai_protocol,
int ai_flags)
{
struct addrinfo hints;
memset(&hints, 0, sizeof(hints));
hints.ai_family = ai_family;
hints.ai_socktype = ai_socktype;
hints.ai_protocol = ai_protocol;
hints.ai_flags = ai_flags;
struct addrinfo *service_info_list = NULL;
int err = ::getaddrinfo (host, service, &hints, &service_info_list);
if (err == 0 && service_info_list)
*this = service_info_list;
else
Clear();
:: freeaddrinfo (service_info_list);
return IsValid();
}
bool
SocketAddress::SetToLocalhost (sa_family_t family, uint16_t port)
{
switch (family)
{
case AF_INET:
SetFamily (AF_INET);
if (SetPort (port))
{
m_socket_addr.sa_ipv4.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
return true;
}
break;
case AF_INET6:
SetFamily (AF_INET6);
if (SetPort (port))
{
m_socket_addr.sa_ipv6.sin6_addr = in6addr_loopback;
return true;
}
break;
}
Clear();
return false;
}
bool
SocketAddress::SetToAnyAddress (sa_family_t family, uint16_t port)
{
switch (family)
{
case AF_INET:
SetFamily (AF_INET);
if (SetPort (port))
{
m_socket_addr.sa_ipv4.sin_addr.s_addr = htonl (INADDR_ANY);
return true;
}
break;
case AF_INET6:
SetFamily (AF_INET6);
if (SetPort (port))
{
m_socket_addr.sa_ipv6.sin6_addr = in6addr_any;
return true;
}
break;
}
Clear();
return false;
}
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