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// -*- C++ -*-
//
// $Id$
#include "ace/Handle_Set.h"
#include "ace/OS_NS_errno.h"
#include "ace/OS_NS_sys_select.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
template <class STREAM> ACE_INLINE int
ACE_IOStream<STREAM>::eof (void) const
{
// Get the timeout value of the streambuf
ACE_Time_Value *timeout = this->streambuf_->recv_timeout (0);
// Reset the timeout value of the streambuf.
(void) this->streambuf_->recv_timeout (timeout);
char c;
int rval = this->streambuf_->recv_n (&c,
sizeof c,
MSG_PEEK,
timeout);
// Timeout, not an eof
if (this->streambuf_->timeout())
return 0;
// No timeout, got enough data: not eof
if (rval == sizeof(char))
return 0;
// No timeout, not enough data: definately eof
return 1;
}
template <class STREAM> ACE_INLINE
ACE_SOCK_Dgram_SC<STREAM>::ACE_SOCK_Dgram_SC (void)
{
}
template <class STREAM> ACE_INLINE
ACE_SOCK_Dgram_SC<STREAM>::ACE_SOCK_Dgram_SC (STREAM &source,
ACE_INET_Addr &dest)
: STREAM (source),
peer_ (dest)
{
}
template <class STREAM> ACE_INLINE ssize_t
ACE_SOCK_Dgram_SC<STREAM>::send_n (char *buf,
ssize_t len)
{
return STREAM::send (buf, len, peer_);
}
template <class STREAM> ACE_INLINE ssize_t
ACE_SOCK_Dgram_SC<STREAM>::recv (char *buf,
ssize_t len,
ACE_Time_Value *tv)
{
return recv (buf, len, 0, tv);
}
template <class STREAM> ACE_INLINE ssize_t
ACE_SOCK_Dgram_SC<STREAM>::recv (char *buf,
ssize_t len,
int flags,
ACE_Time_Value *tv)
{
if (tv != 0)
{
ACE_HANDLE handle = this->get_handle ();
ACE_Handle_Set handle_set;
handle_set.set_bit (handle);
switch (ACE_OS::select (int (handle) + 1,
(fd_set *) handle_set, // read_fds.
(fd_set *) 0, // write_fds.
(fd_set *) 0, // exception_fds.
tv))
{
case 0:
errno = ETIME;
case -1:
return -1;
default:
; // Do the 'recv' below
}
}
int rval = STREAM::recv (buf, len, peer_, flags);
#if defined (ACE_WIN32)
if (rval == SOCKET_ERROR)
if (::WSAGetLastError () == WSAEMSGSIZE)
if (ACE_BIT_ENABLED (flags, MSG_PEEK))
rval = len;
#endif /* ACE_WIN32 */
return rval < len ? rval : len;
}
template <class STREAM> ACE_INLINE ssize_t
ACE_SOCK_Dgram_SC<STREAM>::recv_n (char *buf,
ssize_t len,
int flags,
ACE_Time_Value *tv)
{
int rval = this->recv (buf, len, flags, tv);
return rval;
}
template <class STREAM> ACE_INLINE int
ACE_SOCK_Dgram_SC<STREAM>::get_remote_addr (ACE_INET_Addr &addr) const
{
addr = peer_;
return 0;
}
ACE_END_VERSIONED_NAMESPACE_DECL
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