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server/dep/acelite/ace/INET_Addr.cpp
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// $Id: INET_Addr.cpp 97355 2013-09-27 22:16:09Z shuston $
// Defines the Internet domain address family address format.
#include "ace/INET_Addr.h"
#if !defined (__ACE_INLINE__)
#include "ace/INET_Addr.inl"
#endif /* __ACE_INLINE__ */
#include "ace/Log_Category.h"
#include "ace/OS_NS_stdio.h"
#include "ace/OS_NS_errno.h"
#include "ace/OS_NS_stdlib.h"
#include "ace/OS_Memory.h"
#include "ace/OS_NS_arpa_inet.h"
#include "ace/OS_NS_netdb.h"
#include "ace/OS_NS_unistd.h"
#include "ace/OS_NS_sys_socket.h"
#include "ace/Truncate.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
ACE_ALLOC_HOOK_DEFINE(ACE_INET_Addr)
// Transform the current address into string format.
int
ACE_INET_Addr::addr_to_string (ACE_TCHAR s[],
size_t size,
int ipaddr_format) const
{
ACE_TRACE ("ACE_INET_Addr::addr_to_string");
// XXX Can we (should we) include the scope id for IPv6 addresses?
char hoststr[MAXHOSTNAMELEN+1];
bool result = false;
if (ipaddr_format == 0)
result = (this->get_host_name (hoststr, MAXHOSTNAMELEN+1) == 0);
else
result = (this->get_host_addr (hoststr, MAXHOSTNAMELEN+1) != 0);
if (!result)
return -1;
size_t total_len =
ACE_OS::strlen (hoststr)
+ 5 // ACE_OS::strlen ("65535"), Assuming the max port number.
+ 1 // sizeof (':'), addr/port sep
+ 1; // sizeof ('\0'), terminating NUL
#if !defined (ACE_WIN32) && defined (ACE_USES_WCHAR)
ACE_TCHAR const *format = ACE_TEXT("%ls:%d");
#else
ACE_TCHAR const *format = ACE_TEXT("%s:%d");
#endif /* !ACE_WIN32 && ACE_USES_WCHAR */
#if defined (ACE_HAS_IPV6)
if (ACE_OS::strchr (hoststr, ACE_TEXT (':')) != 0)
{
total_len += 2; // ACE_OS::strlen ("[]") IPv6 addr frames
# if !defined (ACE_WIN32) && defined (ACE_USES_WCHAR)
format = ACE_TEXT("[%ls]:%d");
# else
format = ACE_TEXT("[%s]:%d");
# endif /* !ACE_WIN32 && ACE_USES_WCHAR */
}
#endif // ACE_HAS_IPV6
if (size < total_len)
return -1;
else
ACE_OS::sprintf (s, format,
ACE_TEXT_CHAR_TO_TCHAR (hoststr),
this->get_port_number ());
return 0;
}
void
ACE_INET_Addr::dump (void) const
{
#if defined (ACE_HAS_DUMP)
ACE_TRACE ("ACE_INET_Addr::dump");
ACELIB_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
ACE_TCHAR s[ACE_MAX_FULLY_QUALIFIED_NAME_LEN + 16];
this->addr_to_string(s, ACE_MAX_FULLY_QUALIFIED_NAME_LEN + 16);
ACELIB_DEBUG ((LM_DEBUG, ACE_TEXT ("%s"), s));
ACELIB_DEBUG ((LM_DEBUG, ACE_END_DUMP));
#endif /* ACE_HAS_DUMP */
}
// Compare two addresses for inequality.
bool
ACE_INET_Addr::operator != (const ACE_INET_Addr &sap) const
{
ACE_TRACE ("ACE_INET_Addr::operator !=");
return !((*this) == sap);
}
// Compare two addresses for equality.
bool
ACE_INET_Addr::operator == (const ACE_INET_Addr &sap) const
{
ACE_TRACE ("ACE_INET_Addr::operator ==");
if (this->get_type () != sap.get_type ()
|| this->get_size () != sap.get_size ())
return false;
return (ACE_OS::memcmp (&this->inet_addr_,
&sap.inet_addr_,
this->get_size ()) == 0);
}
bool
ACE_INET_Addr::is_ip_equal (const ACE_INET_Addr &sap) const
{
if (this->get_type () != sap.get_type ()
|| this->get_size () != sap.get_size ())
return false;
#if defined (ACE_HAS_IPV6)
if (this->get_type () == PF_INET6)
{
const unsigned int *addr =
reinterpret_cast<const unsigned int*>(this->ip_addr_pointer());
const unsigned int *saddr =
reinterpret_cast<const unsigned int*>(sap.ip_addr_pointer());
return (addr[0] == saddr[0] &&
addr[1] == saddr[1] &&
addr[2] == saddr[2] &&
addr[3] == saddr[3]);
}
else
#endif /* ACE_HAS_IPV6 */
return this->get_ip_address () == sap.get_ip_address();
}
u_long
ACE_INET_Addr::hash (void) const
{
#if defined (ACE_HAS_IPV6)
if (this->get_type () == PF_INET6)
{
const unsigned int *addr = (const unsigned int*)this->ip_addr_pointer();
return addr[0] + addr[1] + addr[2] + addr[3] + this->get_port_number();
}
else
#endif /* ACE_HAS_IPV6 */
return this->get_ip_address () + this->get_port_number ();
}
ACE_INET_Addr::ACE_INET_Addr (void)
: ACE_Addr (determine_type (), sizeof (inet_addr_))
{
// ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
this->reset ();
}
int
ACE_INET_Addr::set (const ACE_INET_Addr &sa)
{
ACE_TRACE ("ACE_INET_Addr::set");
if (sa.get_type () == AF_ANY)
// Ugh, this is really a base class, so don't copy it.
ACE_OS::memset (&this->inet_addr_, 0, sizeof (this->inet_addr_));
else
{
// It's ok to make the copy.
ACE_OS::memcpy (&this->inet_addr_,
&sa.inet_addr_,
sa.get_size ());
this->set_type (sa.get_type());
this->set_size (sa.get_size());
}
return 0;
}
// Transform the string into the current addressing format.
int
ACE_INET_Addr::string_to_addr (const char s[], int address_family)
{
ACE_TRACE ("ACE_INET_Addr::string_to_addr");
int result;
char *ip_buf = 0;
char *ip_addr = 0;
// Need to make a duplicate since we'll be overwriting the string.
ACE_ALLOCATOR_RETURN (ip_buf,
ACE_OS::strdup (s),
-1);
ip_addr = ip_buf;
// We use strrchr because of IPv6 addresses.
char *port_p = ACE_OS::strrchr (ip_addr, ':');
#if defined (ACE_HAS_IPV6)
// Check for extended IPv6 format : '[' <ipv6 address> ']' ':' <port>
if (ip_addr[0] == '[')
{
// find closing bracket
char *cp_pos = ACE_OS::strchr (ip_addr, ']');
// check for port separator after closing bracket
// if not found leave it, error will come later
if (cp_pos)
{
*cp_pos = '\0'; // blank out ']'
++ip_addr; // skip over '['
if (cp_pos[1] == ':')
port_p = cp_pos + 1;
else
port_p = cp_pos; // leads to error on missing port
}
}
#endif /* ACE_HAS_IPV6 */
if (port_p == 0) // Assume it's a port number.
{
char *endp = 0;
long const port = ACE_OS::strtol (ip_addr, &endp, 10);
if (*endp == '\0') // strtol scanned the entire string - all digits
{
if (port < 0 || port > ACE_MAX_DEFAULT_PORT)
result = -1;
else
result = this->set (u_short (port), ACE_UINT32 (INADDR_ANY));
}
else // port name
result = this->set (ip_addr, ACE_UINT32 (INADDR_ANY));
}
else
{
*port_p = '\0'; ++port_p; // skip over ':'
char *endp = 0;
long port = ACE_OS::strtol (port_p, &endp, 10);
if (*endp == '\0') // strtol scanned the entire string - all digits
{
if (port < 0 || port > ACE_MAX_DEFAULT_PORT)
result = -1;
else
result = this->set (u_short (port), ip_addr, 1, address_family);
}
else
result = this->set (port_p, ip_addr);
}
ACE_OS::free (ACE_MALLOC_T (ip_buf));
return result;
}
int
ACE_INET_Addr::set (const char address[], int address_family)
{
ACE_TRACE ("ACE_INET_Addr::set");
return this->string_to_addr (address, address_family);
}
ACE_INET_Addr::ACE_INET_Addr (const char address[], int address_family)
: ACE_Addr (determine_type (), sizeof (inet_addr_))
{
ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
this->reset ();
this->set (address, address_family);
}
#if defined (ACE_HAS_WCHAR)
ACE_INET_Addr::ACE_INET_Addr (const wchar_t address[], int address_family)
: ACE_Addr (determine_type (), sizeof (inet_addr_))
{
ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
this->reset ();
this->set (address, address_family);
}
#endif /* ACE_HAS_WCHAR */
// Copy constructor.
ACE_INET_Addr::ACE_INET_Addr (const ACE_INET_Addr &sa)
: ACE_Addr (sa.get_type (), sa.get_size())
{
ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
this->reset ();
this->set (sa);
}
// Initializes a ACE_INET_Addr from a PORT_NUMBER and a 32 bit Internet
// address.
int
ACE_INET_Addr::set (u_short port_number,
ACE_UINT32 inet_address,
int encode,
int map)
{
ACE_TRACE ("ACE_INET_Addr::set");
this->set_address (reinterpret_cast<const char *> (&inet_address),
sizeof inet_address,
encode, map);
this->set_port_number (port_number, encode);
return 0;
}
// Initializes a ACE_INET_Addr from a PORT_NUMBER and the remote
// HOST_NAME.
int
ACE_INET_Addr::set (u_short port_number,
const char host_name[],
int encode,
int address_family)
{
ACE_TRACE ("ACE_INET_Addr::set");
// Yow, someone gave us a NULL host_name!
if (host_name == 0)
{
errno = EINVAL;
return -1;
}
ACE_OS::memset ((void *) &this->inet_addr_,
0,
sizeof this->inet_addr_);
#if defined (ACE_HAS_IPV6)
// Let the IPv4 case fall through to the non-IPv6-capable section.
// We don't need the additional getaddrinfo() capability and the Linux
// getaddrinfo() is substantially slower than gethostbyname() w/
// large vlans.
# if defined (ACE_USES_IPV4_IPV6_MIGRATION)
if (address_family == AF_UNSPEC && !ACE::ipv6_enabled ())
address_family = AF_INET;
# endif /* ACE_USES_IPV4_IPV6_MIGRATION */
if (address_family != AF_INET)
{
# if defined (ACE_HAS_GETHOSTBYNAME2)
hostent hentry;
hostent *hp;
ACE_HOSTENT_DATA buf;
int h_error = 0; // Not the same as errno!
if (0 == ::gethostbyname2_r (host_name, AF_INET6, &hentry,
buf, sizeof(buf), &hp, &h_error))
{
if (hp != 0)
{
struct sockaddr_in6 v6;
ACE_OS::memset (&v6, 0, sizeof (v6));
v6.sin6_family = AF_INET6;
(void) ACE_OS::memcpy ((void *) &v6.sin6_addr,
hp->h_addr,
hp->h_length);
this->set_type (hp->h_addrtype);
this->set_addr (&v6, hp->h_length);
this->set_port_number (port_number, encode);
return 0;
}
}
errno = h_error;
if (address_family == AF_INET6)
return -1;
# else
struct addrinfo hints;
struct addrinfo *res = 0;
int error = 0;
ACE_OS::memset (&hints, 0, sizeof (hints));
hints.ai_family = AF_INET6;
if ((error = ::getaddrinfo (host_name, 0, &hints, &res)) == 0)
{
this->set_type (res->ai_family);
this->set_addr (res->ai_addr,
ACE_Utils::truncate_cast<int>(res->ai_addrlen));
this->set_port_number (port_number, encode);
::freeaddrinfo (res);
return 0;
}
if (address_family == AF_INET6)
{
if (res)
::freeaddrinfo(res);
errno = error;
return -1;
}
# endif /* ACE_HAS_GETHOSTBYNAME2 */
// Let AF_UNSPEC try again w/ IPv4.
}
#endif /* ACE_HAS_IPV6 */
// IPv6 not supported... insure the family is set to IPv4
address_family = AF_INET;
this->set_type (address_family);
this->inet_addr_.in4_.sin_family = static_cast<short> (address_family);
#ifdef ACE_HAS_SOCKADDR_IN_SIN_LEN
this->inet_addr_.in4_.sin_len = sizeof (this->inet_addr_.in4_);
#endif
struct in_addr addrv4;
if (ACE_OS::inet_aton (host_name,
&addrv4) == 1)
return this->set (port_number,
encode ? ACE_NTOHL (addrv4.s_addr) : addrv4.s_addr,
encode);
else
{
hostent hentry;
ACE_HOSTENT_DATA buf;
int h_error = 0; // Not the same as errno!
hostent *hp = ACE_OS::gethostbyname_r (host_name, &hentry,
buf, &h_error);
if (hp == 0)
errno = h_error;
if (hp == 0)
{
return -1;
}
else
{
(void) ACE_OS::memcpy ((void *) &addrv4.s_addr,
hp->h_addr,
hp->h_length);
return this->set (port_number,
encode ? ACE_NTOHL (addrv4.s_addr) : addrv4.s_addr,
encode);
}
}
}
// Helper function to get a port number from a port name.
static int get_port_number_from_name (const char port_name[],
const char protocol[])
{
// Maybe port_name is directly a port number?
char *endp = 0;
long port_number = ACE_OS::strtol (port_name, &endp, 10);
if (*endp == '\0')
{
// port_name was really a number, and nothing else.
// Check for overflow.
if (port_number < 0 || port_number > ACE_MAX_DEFAULT_PORT)
return -1;
// Return the port number. NOTE: this number must
// be returned in network byte order!
u_short n = static_cast<u_short> (port_number);
n = ACE_HTONS (n);
return n;
}
// We try to resolve port number from its name.
#if defined (ACE_LACKS_GETSERVBYNAME)
port_number = 0;
ACE_UNUSED_ARG (port_name);
ACE_UNUSED_ARG (protocol);
#else
port_number = -1;
servent sentry;
ACE_SERVENT_DATA buf;
servent *sp = ACE_OS::getservbyname_r (port_name,
protocol,
&sentry,
buf);
if (sp != 0)
port_number = sp->s_port;
#endif /* ACE_LACKS_GETSERVBYNAME */
return port_number;
}
// Initializes a ACE_INET_Addr from a <port_name> and the remote
// <host_name>.
int
ACE_INET_Addr::set (const char port_name[],
const char host_name[],
const char protocol[])
{
ACE_TRACE ("ACE_INET_Addr::set");
int const port_number = get_port_number_from_name (port_name, protocol);
if (port_number == -1)
{
ACE_NOTSUP_RETURN (-1);
}
int address_family = PF_UNSPEC;
# if defined (ACE_HAS_IPV6)
if (ACE_OS::strcmp (protocol, "tcp6") == 0)
address_family = AF_INET6;
# endif /* ACE_HAS_IPV6 */
return this->set (static_cast<u_short> (port_number),
host_name, 0, address_family);
}
// Initializes a ACE_INET_Addr from a <port_name> and a 32 bit
// Internet address.
int
ACE_INET_Addr::set (const char port_name[],
ACE_UINT32 inet_address,
const char protocol[])
{
ACE_TRACE ("ACE_INET_Addr::set");
int const port_number = get_port_number_from_name (port_name, protocol);
if (port_number == -1)
{
ACE_NOTSUP_RETURN (-1);
}
return this->set (static_cast<u_short> (port_number),
inet_address, 0);
}
// Creates a ACE_INET_Addr from a PORT_NUMBER and the remote
// HOST_NAME.
ACE_INET_Addr::ACE_INET_Addr (u_short port_number,
const char host_name[],
int address_family)
: ACE_Addr (determine_type (), sizeof (inet_addr_))
{
ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
ACE_OS::memset (&this->inet_addr_, 0, sizeof (this->inet_addr_));
if (this->set (port_number,
host_name,
1,
address_family) == -1)
ACELIB_ERROR ((LM_ERROR,
ACE_TEXT ("ACE_INET_Addr::ACE_INET_Addr: %p\n"),
ACE_TEXT_CHAR_TO_TCHAR ((host_name == 0) ?
"<unknown>" : host_name)));
}
#if defined (ACE_HAS_WCHAR)
ACE_INET_Addr::ACE_INET_Addr (u_short port_number,
const wchar_t host_name[],
int address_family)
: ACE_Addr (determine_type (), sizeof (inet_addr_))
{
ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
ACE_OS::memset (&this->inet_addr_, 0, sizeof (this->inet_addr_));
if (this->set (port_number,
host_name,
1,
address_family) == -1)
ACELIB_ERROR ((LM_ERROR,
ACE_TEXT ("ACE_INET_Addr::ACE_INET_Addr: %p\n"),
ACE_TEXT_WCHAR_TO_TCHAR ((host_name == 0) ?
ACE_TEXT_WIDE ("<unknown>") :
host_name)));
}
#endif /* ACE_HAS_WCHAR */
// Creates a ACE_INET_Addr from a sockaddr_in structure.
int
ACE_INET_Addr::set (const sockaddr_in *addr, int len)
{
ACE_TRACE ("ACE_INET_Addr::set");
if (addr->sin_family == AF_INET)
{
int maxlen = static_cast<int> (sizeof (this->inet_addr_.in4_));
if (len > maxlen)
len = maxlen;
ACE_OS::memcpy (&this->inet_addr_.in4_, addr, len);
this->base_set (AF_INET, len);
return 0;
}
#if defined (ACE_HAS_IPV6)
else if (addr->sin_family == AF_INET6)
{
int maxlen = static_cast<int> (sizeof (this->inet_addr_.in6_));
if (len > maxlen)
len = maxlen;
ACE_OS::memcpy (&this->inet_addr_.in6_, addr, len);
this->base_set (AF_INET6, len);
return 0;
}
#endif /* ACE_HAS_IPV6 */
errno = EAFNOSUPPORT;
return -1;
}
// Return the address.
void *
ACE_INET_Addr::get_addr (void) const
{
ACE_TRACE ("ACE_INET_Addr::get_addr");
return (void*)&this->inet_addr_;
}
void
ACE_INET_Addr::set_addr (void *addr, int len)
{
this->set_addr (addr, len, 0);
}
// Set a pointer to the address.
void
ACE_INET_Addr::set_addr (void *addr, int /* len */, int map)
{
ACE_TRACE ("ACE_INET_Addr::set_addr");
struct sockaddr_in *getfamily = static_cast<struct sockaddr_in *> (addr);
if (getfamily->sin_family == AF_INET)
{
#if defined (ACE_HAS_IPV6)
if (map)
this->set_type (AF_INET6);
else
#endif /* ACE_HAS_IPV6 */
this->set_type (AF_INET);
this->set_port_number (getfamily->sin_port, 0);
this->set_address (reinterpret_cast<const char*> (&getfamily->sin_addr),
sizeof (getfamily->sin_addr),
0, map);
}
#if defined (ACE_HAS_IPV6)
else if (getfamily->sin_family == AF_INET6)
{
struct sockaddr_in6 *in6 = static_cast<struct sockaddr_in6*> (addr);
this->set_port_number (in6->sin6_port, 0);
this->set_address (reinterpret_cast<const char*> (&in6->sin6_addr),
sizeof (in6->sin6_addr),
0);
this->inet_addr_.in6_.sin6_scope_id = in6->sin6_scope_id;
}
#endif // ACE_HAS_IPV6
}
// Creates a ACE_INET_Addr from a sockaddr_in structure.
ACE_INET_Addr::ACE_INET_Addr (const sockaddr_in *addr, int len)
: ACE_Addr (determine_type (), sizeof (inet_addr_))
{
ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
this->reset ();
this->set (addr, len);
}
// Creates a ACE_INET_Addr from a PORT_NUMBER and an Internet address.
ACE_INET_Addr::ACE_INET_Addr (u_short port_number,
ACE_UINT32 inet_address)
: ACE_Addr (determine_type (), sizeof (inet_addr_))
{
ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
this->reset ();
if (this->set (port_number, inet_address) == -1)
ACELIB_ERROR ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("ACE_INET_Addr::ACE_INET_Addr")));
}
// Creates a ACE_INET_Addr from a PORT_NAME and the remote
// HOST_NAME.
ACE_INET_Addr::ACE_INET_Addr (const char port_name[],
const char host_name[],
const char protocol[])
: ACE_Addr (determine_type (), sizeof (inet_addr_))
{
ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
this->reset ();
if (this->set (port_name,
host_name,
protocol) == -1)
ACELIB_ERROR ((LM_ERROR,
ACE_TEXT ("ACE_INET_Addr::ACE_INET_Addr")));
}
#if defined (ACE_HAS_WCHAR)
ACE_INET_Addr::ACE_INET_Addr (const wchar_t port_name[],
const wchar_t host_name[],
const wchar_t protocol[])
: ACE_Addr (determine_type (), sizeof (inet_addr_))
{
ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
this->reset ();
if (this->set (port_name,
host_name,
protocol) == -1)
ACELIB_ERROR ((LM_ERROR,
ACE_TEXT ("ACE_INET_Addr::ACE_INET_Addr")));
}
#endif /* ACE_HAS_WCHAR */
// Creates a ACE_INET_Addr from a PORT_NAME and an Internet address.
ACE_INET_Addr::ACE_INET_Addr (const char port_name[],
ACE_UINT32 inet_address,
const char protocol[])
: ACE_Addr (determine_type (), sizeof (inet_addr_))
{
ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
this->reset ();
if (this->set (port_name,
ACE_HTONL (inet_address),
protocol) == -1)
ACELIB_ERROR ((LM_ERROR,
ACE_TEXT ("ACE_INET_Addr::ACE_INET_Addr")));
}
#if defined (ACE_HAS_WCHAR)
ACE_INET_Addr::ACE_INET_Addr (const wchar_t port_name[],
ACE_UINT32 inet_address,
const wchar_t protocol[])
: ACE_Addr (determine_type (), sizeof (inet_addr_))
{
ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
this->reset ();
if (this->set (port_name,
ACE_HTONL (inet_address),
protocol) == -1)
ACELIB_ERROR ((LM_ERROR,
ACE_TEXT ("ACE_INET_Addr::ACE_INET_Addr")));
}
#endif /* ACE_HAS_WCHAR */
ACE_INET_Addr::~ACE_INET_Addr (void)
{
}
int
ACE_INET_Addr::get_host_name (char hostname[],
size_t len) const
{
ACE_TRACE ("ACE_INET_Addr::get_host_name");
int result;
if (len > 1)
{
result = this->get_host_name_i (hostname,len);
if (result < 0)
{
if (result == -2)
// We know that hostname is nul-terminated
result = -1;
else
{
//result == -1;
// This could be worse than hostname[len -1] = '\0'?
hostname[0] = '\0';
}
}
}
else
{
if (len == 1)
hostname[0] = '\0';
result = -1;
}
return result;
}
#if defined (ACE_HAS_WCHAR)
int
ACE_INET_Addr::get_host_name (wchar_t hostname[],
size_t len) const
{
ACE_TRACE ("ACE_INET_Addr::get_host_name");
char char_hostname [MAXHOSTNAMELEN + 1];
// We have a build in limitation of MAXHOSTNAMELEN
if (len > MAXHOSTNAMELEN + 1)
len = MAXHOSTNAMELEN + 1;
// Call the char version
int result = this->get_host_name (char_hostname, len);
// And copy it over, if successful
if (result == 0)
ACE_OS::strcpy (hostname,
ACE_Ascii_To_Wide (char_hostname).wchar_rep ());
return result;
}
#endif /* ACE_HAS_WCHAR */
// Return the character representation of the hostname.
const char *
ACE_INET_Addr::get_host_name (void) const
{
ACE_TRACE ("ACE_INET_Addr::get_host_name");
static char name[MAXHOSTNAMELEN + 1];
if (this->get_host_name (name, MAXHOSTNAMELEN + 1) == -1)
ACE_OS::strcpy (name, "<unknown>");
return name;
}
void
ACE_INET_Addr::set_port_number (u_short port_number,
int encode)
{
ACE_TRACE ("ACE_INET_Addr::set_port_number");
if (encode)
port_number = ACE_HTONS (port_number);
#if defined (ACE_HAS_IPV6)
if (this->get_type () == AF_INET6)
this->inet_addr_.in6_.sin6_port = port_number;
else
#endif /* ACE_HAS_IPV6 */
this->inet_addr_.in4_.sin_port = port_number;
}
// returns -2 when the hostname is truncated
int
ACE_INET_Addr::get_host_name_i (char hostname[], size_t len) const
{
ACE_TRACE ("ACE_INET_Addr::get_host_name_i");
#if defined (ACE_HAS_IPV6)
if ((this->get_type () == PF_INET6 &&
0 == ACE_OS::memcmp (&this->inet_addr_.in6_.sin6_addr,
&in6addr_any,
sizeof (this->inet_addr_.in6_.sin6_addr)))
||
(this->get_type () == PF_INET &&
this->inet_addr_.in4_.sin_addr.s_addr == INADDR_ANY))
#else
if (this->inet_addr_.in4_.sin_addr.s_addr == INADDR_ANY)
#endif /* ACE_HAS_IPV6 */
{
if (ACE_OS::hostname (hostname, len) == -1)
return -1;
else
return 0;
}
else
{
void* addr = this->ip_addr_pointer ();
int size = this->ip_addr_size ();
int type = this->get_type ();
# if defined (ACE_HAS_IPV6) && defined (ACE_HAS_BROKEN_GETHOSTBYADDR_V4MAPPED)
// Most OS can not handle IPv6-mapped-IPv4 addresses (even
// though they are meant to) so map them back to IPv4 addresses
// before trying to resolve them
in_addr demapped_addr;
if (type == PF_INET6 &&
(this->is_ipv4_mapped_ipv6 () || this->is_ipv4_compat_ipv6 ()))
{
ACE_OS::memcpy (&demapped_addr.s_addr, &this->inet_addr_.in6_.sin6_addr.s6_addr[12], 4);
addr = &demapped_addr;
size = sizeof(demapped_addr);
type = PF_INET;
}
# endif /* ACE_HAS_IPV6 */
int h_error; // Not the same as errno!
hostent hentry;
ACE_HOSTENT_DATA buf;
hostent * const hp =
ACE_OS::gethostbyaddr_r (static_cast <char *> (addr),
size,
type,
&hentry,
buf,
&h_error);
if (hp == 0 || hp->h_name == 0)
return -1;
if (ACE_OS::strlen (hp->h_name) >= len)
{
// We know the length, so use memcpy
if (len > 0)
{
ACE_OS::memcpy (hostname, hp->h_name, len - 1);
hostname[len-1]= '\0';
}
errno = ENOSPC;
return -2; // -2 Means that we have a good string
// Using errno looks ok, but ENOSPC could be set on
// other places.
}
ACE_OS::strcpy (hostname, hp->h_name);
return 0;
}
}
int ACE_INET_Addr::set_address (const char *ip_addr,
int len,
int encode /* = 1 */,
int map /* = 0 */)
{
ACE_TRACE ("ACE_INET_Addr::set_address");
// This is really intended for IPv4. If the object is IPv4, or the type
// hasn't been set but it's a 4-byte address, go ahead. If this is an
// IPv6 object and <encode> is requested, refuse.
if (encode && len != 4)
{
errno = EAFNOSUPPORT;
return -1;
}
if (len == 4)
{
ACE_UINT32 ip4 = *reinterpret_cast<const ACE_UINT32 *> (ip_addr);
if (encode)
ip4 = ACE_HTONL (ip4);
if (this->get_type () == AF_INET && map == 0) {
this->base_set (AF_INET, sizeof (this->inet_addr_.in4_));
#ifdef ACE_HAS_SOCKADDR_IN_SIN_LEN
this->inet_addr_.in4_.sin_len = sizeof (this->inet_addr_.in4_);
#endif
this->inet_addr_.in4_.sin_family = AF_INET;
this->set_size (sizeof (this->inet_addr_.in4_));
ACE_OS::memcpy (&this->inet_addr_.in4_.sin_addr,
&ip4,
len);
}
#if defined (ACE_HAS_IPV6)
else if (map == 0)
{
// this->set_type (AF_INET);
this->base_set (AF_INET, sizeof (this->inet_addr_.in4_));
#ifdef ACE_HAS_SOCKADDR_IN_SIN_LEN
this->inet_addr_.in4_.sin_len = sizeof (this->inet_addr_.in4_);
#endif
this->inet_addr_.in4_.sin_family = AF_INET;
this->set_size (sizeof (this->inet_addr_.in4_));
ACE_OS::memcpy (&this->inet_addr_.in4_.sin_addr,
&ip4, len);
}
// If given an IPv4 address to copy to an IPv6 object, map it to
// an IPv4-mapped IPv6 address.
else
{
this->base_set (AF_INET6, sizeof (this->inet_addr_.in6_));
#ifdef ACE_HAS_SOCKADDR_IN6_SIN6_LEN
this->inet_addr_.in6_.sin6_len = sizeof (this->inet_addr_.in6_);
#endif
this->inet_addr_.in6_.sin6_family = AF_INET6;
this->set_size (sizeof (this->inet_addr_.in6_));
if (ip4 == ACE_HTONL (INADDR_ANY))
{
in6_addr const ip6 = in6addr_any;
ACE_OS::memcpy (&this->inet_addr_.in6_.sin6_addr,
&ip6,
sizeof (ip6));
return 0;
}
// Build up a 128 bit address. An IPv4-mapped IPv6 address
// is defined as 0:0:0:0:0:ffff:IPv4_address. This is defined
// in RFC 1884 */
ACE_OS::memset (&this->inet_addr_.in6_.sin6_addr, 0, 16);
this->inet_addr_.in6_.sin6_addr.s6_addr[10] =
this->inet_addr_.in6_.sin6_addr.s6_addr[11] = 0xff;
ACE_OS::memcpy
(&this->inet_addr_.in6_.sin6_addr.s6_addr[12], &ip4, 4);
}
#endif /* ACE_HAS_IPV6 */
return 0;
} /* end if (len == 4) */
#if defined (ACE_HAS_IPV6)
else if (len == 16)
{
if (this->get_type () != PF_INET6)
{
errno = EAFNOSUPPORT;
return -1;
}
// We protect ourselves up above so IPv6 must be possible here.
this->base_set (AF_INET6, sizeof (this->inet_addr_.in6_));
this->inet_addr_.in6_.sin6_family = AF_INET6;
#ifdef ACE_HAS_SOCKADDR_IN6_SIN6_LEN
this->inet_addr_.in6_.sin6_len = sizeof (this->inet_addr_.in6_);
#endif
ACE_OS::memcpy (&this->inet_addr_.in6_.sin6_addr, ip_addr, len);
return 0;
} /* end len == 16 */
#endif /* ACE_HAS_IPV6 */
// Here with an unrecognized length.
errno = EAFNOSUPPORT;
return -1;
}
#if (defined (ACE_LINUX) || defined (ACE_WIN32)) && defined (ACE_HAS_IPV6)
int
ACE_INET_Addr::set_interface (const char *intf_name)
{
if (this->get_type () == PF_INET6 &&
(IN6_IS_ADDR_LINKLOCAL (&this->inet_addr_.in6_.sin6_addr) ||
IN6_IS_ADDR_MC_LINKLOCAL (&this->inet_addr_.in6_.sin6_addr)))
{
#if defined (ACE_LINUX)
this->inet_addr_.in6_.sin6_scope_id =
ACE_OS::if_nametoindex (intf_name);
#else
this->inet_addr_.in6_.sin6_scope_id =
intf_name ? ACE_OS::atoi (intf_name) : 0;
#endif
// check to see if the interface lookup succeeded
if (this->inet_addr_.in6_.sin6_scope_id != 0)
return 0;
else
return -1;
}
else
return 0;
}
#endif /* ACE_LINUX && ACE_HAS_IPV6 */
const char *
ACE_INET_Addr::get_host_addr (char *dst, int size) const
{
#if defined (ACE_HAS_IPV6)
if (this->get_type () == AF_INET6)
{
// mcorino@remedy.nl - Aug-26, 2005
// I don't think this should be done because it results in a decimal address
// representation which is not distinguishable from the IPv4 form which makes
// it impossible to resolve back to an IPv6 INET_Addr without prior knowledge
// that this was such an address to begin with.
//if (IN6_IS_ADDR_V4MAPPED (&this->inet_addr_.in6_.sin6_addr))
//{
// ACE_UINT32 addr;
// addr = this->get_ip_address();
// addr = ACE_HTONL (addr);
// return ACE_OS::inet_ntop (AF_INET, &addr, dst, size);
//}
# if defined (ACE_WIN32)
if (0 == ::getnameinfo (reinterpret_cast<const sockaddr*> (&this->inet_addr_.in6_),
this->get_size (),
dst,
size,
0, 0, // Don't want service name
NI_NUMERICHOST))
return dst;
ACE_OS::set_errno_to_wsa_last_error ();
return 0;
# else
const char *ch = ACE_OS::inet_ntop (AF_INET6,
&this->inet_addr_.in6_.sin6_addr,
dst,
size);
#if defined (ACE_LINUX)
if ((IN6_IS_ADDR_LINKLOCAL (&this->inet_addr_.in6_.sin6_addr) ||
IN6_IS_ADDR_MC_LINKLOCAL (&this->inet_addr_.in6_.sin6_addr)) &&
this->inet_addr_.in6_.sin6_scope_id != 0)
{
char scope_buf[32];
ACE_OS::sprintf (scope_buf, "%%%u", this->inet_addr_.in6_.sin6_scope_id);
if ((ACE_OS::strlen (ch)+ACE_OS::strlen (scope_buf)) < (size_t)size)
{
ACE_OS::strcat (dst, scope_buf);
}
}
#endif
return ch;
# endif /* ACE_WIN32 */
}
#endif /* ACE_HAS_IPV6 */
return ACE_OS::inet_ntop (AF_INET,
&this->inet_addr_.in4_.sin_addr,
dst,
size);
}
// Return the dotted Internet address.
const char *
ACE_INET_Addr::get_host_addr (void) const
{
ACE_TRACE ("ACE_INET_Addr::get_host_addr");
#if defined (ACE_HAS_IPV6)
static char buf[INET6_ADDRSTRLEN];
return this->get_host_addr (buf, INET6_ADDRSTRLEN);
#else /* ACE_HAS_IPV6 */
static char buf[INET_ADDRSTRLEN];
return this->get_host_addr (buf, INET_ADDRSTRLEN);
#endif /* !ACE_HAS_IPV6 */
}
// Return the 4-byte IP address, converting it into host byte order.
ACE_UINT32
ACE_INET_Addr::get_ip_address (void) const
{
ACE_TRACE ("ACE_INET_Addr::get_ip_address");
#if defined (ACE_HAS_IPV6)
if (this->get_type () == AF_INET6)
{
if (IN6_IS_ADDR_V4MAPPED (&this->inet_addr_.in6_.sin6_addr) ||
IN6_IS_ADDR_V4COMPAT (&this->inet_addr_.in6_.sin6_addr) )
{
ACE_UINT32 addr;
// Return the last 32 bits of the address
char *thisaddrptr = (char*)this->ip_addr_pointer ();
thisaddrptr += 128/8 - 32/8;
ACE_OS::memcpy (&addr, thisaddrptr, sizeof (addr));
return ACE_NTOHL (addr);
}
ACELIB_ERROR ((LM_ERROR,
ACE_TEXT ("ACE_INET_Addr::get_ip_address: address is a IPv6 address not IPv4\n")));
errno = EAFNOSUPPORT;
return 0;
}
#endif /* ACE_HAS_IPV6 */
return ACE_NTOHL (ACE_UINT32 (this->inet_addr_.in4_.sin_addr.s_addr));
}
ACE_END_VERSIONED_NAMESPACE_DECL
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