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#include "ace/SOCK_Acceptor.h"
#include "ace/Log_Category.h"
#include "ace/OS_Errno.h"
#include "ace/OS_NS_string.h"
#include "ace/OS_NS_sys_socket.h"
#include "ace/os_include/os_fcntl.h"
#if !defined (__ACE_INLINE__)
#include "ace/SOCK_Acceptor.inl"
#endif /* __ACE_INLINE__ */
#if !defined (ACE_HAS_WINCE)
#include "ace/OS_QoS.h"
#endif // ACE_HAS_WINCE
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
ACE_ALLOC_HOOK_DEFINE(ACE_SOCK_Acceptor)
// Do nothing routine for constructor.
ACE_SOCK_Acceptor::ACE_SOCK_Acceptor (void)
{
ACE_TRACE ("ACE_SOCK_Acceptor::ACE_SOCK_Acceptor");
}
// Performs the timed accept operation.
int
ACE_SOCK_Acceptor::shared_accept_start (ACE_Time_Value *timeout,
bool restart,
int &in_blocking_mode) const
{
ACE_TRACE ("ACE_SOCK_Acceptor::shared_accept_start");
ACE_HANDLE handle = this->get_handle ();
// Handle the case where we're doing a timed <accept>.
if (timeout != 0)
{
if (ACE::handle_timed_accept (handle,
timeout,
restart) == -1)
return -1;
else
{
in_blocking_mode = ACE_BIT_DISABLED (ACE::get_flags (handle),
ACE_NONBLOCK);
// Set the handle into non-blocking mode if it's not already
// in it.
if (in_blocking_mode
&& ACE::set_flags (handle,
ACE_NONBLOCK) == -1)
return -1;
}
}
return 0;
}
int
ACE_SOCK_Acceptor::shared_accept_finish (ACE_SOCK_Stream new_stream,
int in_blocking_mode,
bool reset_new_handle) const
{
ACE_TRACE ("ACE_SOCK_Acceptor::shared_accept_finish ()");
ACE_HANDLE new_handle = new_stream.get_handle ();
// Check to see if we were originally in blocking mode, and if so,
// set the <new_stream>'s handle and <this> handle to be in blocking
// mode.
if (in_blocking_mode)
{
// Save/restore errno.
ACE_Errno_Guard error (errno);
// Only disable ACE_NONBLOCK if we weren't in non-blocking mode
// originally.
ACE::clr_flags (this->get_handle (),
ACE_NONBLOCK);
ACE::clr_flags (new_handle,
ACE_NONBLOCK);
}
#if defined (ACE_HAS_WINSOCK2) && (ACE_HAS_WINSOCK2 != 0)
if (reset_new_handle)
// Reset the event association inherited by the new handle.
::WSAEventSelect ((SOCKET) new_handle, 0, 0);
#else
ACE_UNUSED_ARG (reset_new_handle);
#endif /* ACE_WIN32 */
return new_handle == ACE_INVALID_HANDLE ? -1 : 0;
}
// General purpose routine for accepting new connections.
int
ACE_SOCK_Acceptor::accept (ACE_SOCK_Stream &new_stream,
ACE_Addr *remote_addr,
ACE_Time_Value *timeout,
bool restart,
bool reset_new_handle) const
{
ACE_TRACE ("ACE_SOCK_Acceptor::accept");
int in_blocking_mode = 0;
if (this->shared_accept_start (timeout,
restart,
in_blocking_mode) == -1)
return -1;
else
{
// On Win32 the third parameter to <accept> must be a NULL
// pointer if we want to ignore the client's address.
int *len_ptr = 0;
sockaddr *addr = 0;
int len = 0;
if (remote_addr != 0)
{
len = remote_addr->get_size ();
len_ptr = &len;
addr = (sockaddr *) remote_addr->get_addr ();
}
do
new_stream.set_handle (ACE_OS::accept (this->get_handle (),
addr,
len_ptr));
while (new_stream.get_handle () == ACE_INVALID_HANDLE
&& restart
&& errno == EINTR
&& timeout == 0);
// Reset the size of the addr, so the proper UNIX/IPv4/IPv6 family
// is known.
if (new_stream.get_handle () != ACE_INVALID_HANDLE
&& remote_addr != 0)
{
remote_addr->set_size (len);
if (addr)
remote_addr->set_type (addr->sa_family);
}
}
return this->shared_accept_finish (new_stream,
in_blocking_mode,
reset_new_handle);
}
#if !defined (ACE_HAS_WINCE)
int
ACE_SOCK_Acceptor::accept (ACE_SOCK_Stream &new_stream,
ACE_Accept_QoS_Params qos_params,
ACE_Addr *remote_addr,
ACE_Time_Value *timeout,
bool restart,
bool reset_new_handle) const
{
ACE_TRACE ("ACE_SOCK_Acceptor::accept");
int in_blocking_mode = 0;
if (this->shared_accept_start (timeout,
restart,
in_blocking_mode) == -1)
return -1;
else
{
// On Win32 the third parameter to <accept> must be a NULL
// pointer if we want to ignore the client's address.
int *len_ptr = 0;
int len = 0;
sockaddr *addr = 0;
if (remote_addr != 0)
{
len = remote_addr->get_size ();
len_ptr = &len;
addr = (sockaddr *) remote_addr->get_addr ();
}
do
new_stream.set_handle (ACE_OS::accept (this->get_handle (),
addr,
len_ptr,
qos_params));
while (new_stream.get_handle () == ACE_INVALID_HANDLE
&& restart
&& errno == EINTR
&& timeout == 0);
// Reset the size of the addr, which is only necessary for UNIX
// domain sockets.
if (new_stream.get_handle () != ACE_INVALID_HANDLE
&& remote_addr != 0)
remote_addr->set_size (len);
}
return this->shared_accept_finish (new_stream,
in_blocking_mode,
reset_new_handle);
}
#endif // ACE_HAS_WINCE
void
ACE_SOCK_Acceptor::dump (void) const
{
#if defined (ACE_HAS_DUMP)
ACE_TRACE ("ACE_SOCK_Acceptor::dump");
#endif /* ACE_HAS_DUMP */
}
int
ACE_SOCK_Acceptor::shared_open (const ACE_Addr &local_sap,
int protocol_family,
int backlog)
{
ACE_TRACE ("ACE_SOCK_Acceptor::shared_open");
int error = 0;
#if defined (ACE_HAS_IPV6)
if (protocol_family == PF_INET6)
{
sockaddr_in6 local_inet6_addr;
ACE_OS::memset (reinterpret_cast<void *> (&local_inet6_addr),
0,
sizeof local_inet6_addr);
if (local_sap == ACE_Addr::sap_any)
{
local_inet6_addr.sin6_family = AF_INET6;
local_inet6_addr.sin6_port = 0;
local_inet6_addr.sin6_addr = in6addr_any;
}
else
local_inet6_addr = *reinterpret_cast<sockaddr_in6 *> (local_sap.get_addr ());
# if defined (ACE_WIN32)
// on windows vista and later, Winsock can support dual stack sockets
// but this must be explicitly set prior to the bind. Since this
// behavior is the default on *nix platforms, it should be benigh to
// just do it here. On older platforms the setsockopt will fail, but
// that should be OK.
int zero = 0;
ACE_OS::setsockopt (this->get_handle (),
IPPROTO_IPV6,
IPV6_V6ONLY,
(char *)&zero,
sizeof (zero));
# endif /* ACE_WIN32 */
// We probably don't need a bind_port written here.
// There are currently no supported OS's that define
// ACE_LACKS_WILDCARD_BIND.
if (ACE_OS::bind (this->get_handle (),
reinterpret_cast<sockaddr *> (&local_inet6_addr),
sizeof local_inet6_addr) == -1)
error = 1;
}
else
#endif
if (protocol_family == PF_INET)
{
sockaddr_in local_inet_addr;
ACE_OS::memset (reinterpret_cast<void *> (&local_inet_addr),
0,
sizeof local_inet_addr);
if (local_sap == ACE_Addr::sap_any)
{
local_inet_addr.sin_port = 0;
}
else
local_inet_addr = *reinterpret_cast<sockaddr_in *> (local_sap.get_addr ());
if (local_inet_addr.sin_port == 0)
{
if (ACE::bind_port (this->get_handle (),
ACE_NTOHL (ACE_UINT32 (local_inet_addr.sin_addr.s_addr))) == -1)
error = 1;
}
else if (ACE_OS::bind (this->get_handle (),
reinterpret_cast<sockaddr *> (&local_inet_addr),
sizeof local_inet_addr) == -1)
error = 1;
}
else if (ACE_OS::bind (this->get_handle (),
(sockaddr *) local_sap.get_addr (),
local_sap.get_size ()) == -1)
error = 1;
if (error != 0
|| ACE_OS::listen (this->get_handle (),
backlog) == -1)
{
ACE_Errno_Guard g (errno); // Preserve across close() below.
error = 1;
this->close ();
}
return error ? -1 : 0;
}
int
ACE_SOCK_Acceptor::open (const ACE_Addr &local_sap,
ACE_Protocol_Info *protocolinfo,
ACE_SOCK_GROUP g,
u_long flags,
int reuse_addr,
int protocol_family,
int backlog,
int protocol)
{
ACE_TRACE ("ACE_SOCK_Acceptor::open");
if (protocol_family == PF_UNSPEC)
protocol_family = local_sap.get_type ();
if (ACE_SOCK::open (SOCK_STREAM,
protocol_family,
protocol,
protocolinfo,
g,
flags,
reuse_addr) == -1)
return -1;
else
return this->shared_open (local_sap,
protocol_family,
backlog);
}
ACE_SOCK_Acceptor::ACE_SOCK_Acceptor (const ACE_Addr &local_sap,
ACE_Protocol_Info *protocolinfo,
ACE_SOCK_GROUP g,
u_long flags,
int reuse_addr,
int protocol_family,
int backlog,
int protocol)
{
ACE_TRACE ("ACE_SOCK_Acceptor::ACE_SOCK_Acceptor");
if (this->open (local_sap,
protocolinfo,
g,
flags,
reuse_addr,
protocol_family,
backlog,
protocol) == -1)
ACELIB_ERROR ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("ACE_SOCK_Acceptor")));
}
// General purpose routine for performing server ACE_SOCK creation.
int
ACE_SOCK_Acceptor::open (const ACE_Addr &local_sap,
int reuse_addr,
int protocol_family,
int backlog,
int protocol)
{
ACE_TRACE ("ACE_SOCK_Acceptor::open");
if (local_sap != ACE_Addr::sap_any)
protocol_family = local_sap.get_type ();
else if (protocol_family == PF_UNSPEC)
{
#if defined (ACE_HAS_IPV6)
protocol_family = ACE::ipv6_enabled () ? PF_INET6 : PF_INET;
#else
protocol_family = PF_INET;
#endif /* ACE_HAS_IPV6 */
}
if (ACE_SOCK::open (SOCK_STREAM,
protocol_family,
protocol,
reuse_addr) == -1)
return -1;
else
return this->shared_open (local_sap,
protocol_family,
backlog);
}
// General purpose routine for performing server ACE_SOCK creation.
ACE_SOCK_Acceptor::ACE_SOCK_Acceptor (const ACE_Addr &local_sap,
int reuse_addr,
int protocol_family,
int backlog,
int protocol)
{
ACE_TRACE ("ACE_SOCK_Acceptor::ACE_SOCK_Acceptor");
if (this->open (local_sap,
reuse_addr,
protocol_family,
backlog,
protocol) == -1)
ACELIB_ERROR ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("ACE_SOCK_Acceptor")));
}
int
ACE_SOCK_Acceptor::close (void)
{
return ACE_SOCK::close ();
}
ACE_END_VERSIONED_NAMESPACE_DECL
|
