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// Name_Proxy.cpp
// $Id$
#include "ace/Name_Proxy.h"
#include "ace/Log_Msg.h"
#include "ace/os_include/arpa/os_inet.h"
ACE_RCSID(ace, Name_Proxy, "$Id$")
void
ACE_Name_Proxy::dump (void) const
{
#if defined (ACE_HAS_DUMP)
ACE_TRACE ("ACE_Name_Proxy::dump");
ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
this->connector_.dump ();
this->peer_.dump ();
ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT ("reactor_ = %x"), this->reactor_));
ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
#endif /* ACE_HAS_DUMP */
}
// Default constructor.
ACE_Name_Proxy::ACE_Name_Proxy (void)
: reactor_ (0)
{
ACE_TRACE ("ACE_Name_Proxy::ACE_Name_Proxy");
}
// Establish binding with the ACE_Name Server at remote_addr.
int
ACE_Name_Proxy::open (const ACE_INET_Addr &remote_addr,
ACE_Synch_Options& options)
{
ACE_TRACE ("ACE_Name_Proxy::open");
ACE_Time_Value *timeout = 0;
if (options[ACE_Synch_Options::USE_TIMEOUT])
timeout = const_cast<ACE_Time_Value *> (options.time_value ());
// Initiate the connection.
return this->connector_.connect (this->peer_,
remote_addr,
timeout);
}
// Establish binding with the ACE_Name Server at remote_addr.
ACE_Name_Proxy::ACE_Name_Proxy (
const ACE_INET_Addr &remote_addr,
ACE_Synch_Options& options)
: reactor_ (0)
{
ACE_TRACE ("ACE_Name_Proxy::ACE_Name_Proxy");
if (this->open (remote_addr, options) == -1
&& options[ACE_Synch_Options::USE_TIMEOUT] && errno != EWOULDBLOCK)
ACE_ERROR ((LM_ERROR,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("ACE_Name_Proxy::ACE_Name_Proxy")));
}
// Obtain underlying handle.
/* VIRTUAL */ ACE_HANDLE
ACE_Name_Proxy::get_handle (void) const
{
ACE_TRACE ("ACE_Name_Proxy::get_handle");
return this->peer_.get_handle ();
}
int
ACE_Name_Proxy::request_reply (ACE_Name_Request &request)
{
ACE_TRACE ("ACE_Name_Proxy::request_reply");
void *buffer;
ssize_t length = request.encode (buffer);
if (length == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("encode failed")),
-1);
// Transmit request via a blocking send.
if (this->peer_.send_n (buffer, length) != length)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("send_n failed")),
-1);
else
{
ACE_Name_Reply reply;
// Receive reply via blocking read.
if (this->peer_.recv_n (&reply,
sizeof reply) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("recv failed")),
-1);
else if (reply.decode () == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("decode failed")),
-1);
errno = int (reply.errnum ());
return reply.status ();
}
}
int
ACE_Name_Proxy::send_request (ACE_Name_Request &request)
{
ACE_TRACE ("ACE_Name_Proxy::send_request");
void *buffer;
ssize_t length = request.encode (buffer);
if (length == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("encode failed")),
-1);
// Transmit request via a blocking send.
else if (this->peer_.send_n (buffer, length) != length)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("send_n failed")),
-1);
return 0;
}
int
ACE_Name_Proxy::recv_reply (ACE_Name_Request &reply)
{
ACE_TRACE ("ACE_Name_Proxy::recv_reply");
// Read the first 4 bytes to get the length of the message This
// implementation assumes that the first 4 bytes are the length of
// the message.
ssize_t n = this->peer_.recv ((void *) &reply, sizeof (ACE_UINT32));
switch (n)
{
case -1:
// FALLTHROUGH
ACE_DEBUG ((LM_DEBUG,
ACE_LIB_TEXT ("****************** recv_reply returned -1\n")));
default:
ACE_ERROR ((LM_ERROR,
ACE_LIB_TEXT ("%p got %d bytes, expected %d bytes\n"),
ACE_LIB_TEXT ("recv failed"),
n,
sizeof (ACE_UINT32)));
// FALLTHROUGH
case 0:
// We've shutdown unexpectedly
return -1;
// NOTREACHED
case sizeof (ACE_UINT32):
{
// Transform the length into host byte order.
ssize_t length = ntohl (reply.length ());
// Receive the rest of the request message.
// @@ beware of blocking read!!!.
n = this->peer_.recv ((void *) (((char *) &reply)
+ sizeof (ACE_UINT32)),
length - sizeof (ACE_UINT32));
// Subtract off the size of the part we skipped over...
if (n != ssize_t (length - sizeof (ACE_UINT32)))
{
ACE_ERROR ((LM_ERROR,
ACE_LIB_TEXT ("%p expected %d, got %d\n"),
ACE_LIB_TEXT ("invalid length"),
length,
n));
return -1;
}
// Decode the request into host byte order.
if (reply.decode () == -1)
{
ACE_ERROR ((LM_ERROR,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("decode failed")));
return -1;
}
}
}
return 0;
}
// Close down the connection to the server.
ACE_Name_Proxy::~ACE_Name_Proxy (void)
{
ACE_TRACE ("ACE_Name_Proxy::~ACE_Name_Proxy");
this->peer_.close ();
}
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