path: root/ace/Name_Request_Reply.cpp

// Name_Request_Reply.cpp
// $Id$

#define ACE_BUILD_DLL
#include "ace/Name_Request_Reply.h"

// Default "do nothing" constructor.

ACE_Name_Request::ACE_Name_Request (void)
{
  ACE_TRACE ("ACE_Name_Request::ACE_Name_Request");
}

// Create a ACE_Name_Request message.  

ACE_Name_Request::ACE_Name_Request (ACE_UINT32 t, // Type of request.
				    const ACE_USHORT16 name[], // Name
				    const size_t name_length, // size in bytes
				    const ACE_USHORT16 value[], // 
				    const size_t value_length, // size in bytes
				    const char type[], // 
				    const size_t type_length, // size in bytes
				    ACE_Time_Value *timeout) // Max time waiting for request.
{
  ACE_TRACE ("ACE_Name_Request::ACE_Name_Request");
  this->msg_type (t);
  this->name_len (name_length);
  this->value_len (value_length);
  this->type_len (type_length);

  // If timeout is a NULL pointer, then block forever...
  if (timeout == 0)
    {
      this->transfer_.block_forever_ = 1;
      this->transfer_.sec_timeout_   = 0;
      this->transfer_.usec_timeout_  = 0;
    }
  else // Do a "timed wait."
    {
      this->block_forever (0);
      // Keep track of how long client is willing to wait.
      this->transfer_.sec_timeout_ = timeout->sec ();
      this->transfer_.usec_timeout_ = timeout->usec ();
    }

  // Set up pointers and copy name value and type into request.
  this->name_ = this->transfer_.data_;
  this->value_  = &this->name_[name_length / sizeof (ACE_USHORT16) ];
  this->type_  = (char *)(&this->value_[value_length / sizeof (ACE_USHORT16)]); //

  (void) ACE_OS::memcpy (this->name_, name, name_length);
  (void) ACE_OS::memcpy (this->value_, value, value_length);
  (void) ACE_OS::memcpy (this->type_, type, type_length);

  // Compute size of the fixed portion of the message...
  size_t len = sizeof this->transfer_ - sizeof this->transfer_.data_;
  
  // ... then add in the amount of the variable-sized portion. 
  len += name_length + value_length + type_length ;

  this->length (len);
}

// Initialize length_ in order to avoid problems with byte-ordering
void
ACE_Name_Request::init (void)
{
  ACE_TRACE ("ACE_Name_Request::init");
  this->length (sizeof this->transfer_);
}

// = Set/get the length of the encoded/decoded message.
ACE_UINT32 
ACE_Name_Request::length (void) const
{
  ACE_TRACE ("ACE_Name_Request::length");
  return this->transfer_.length_;
}

void 
ACE_Name_Request::length (ACE_UINT32 l)
{
  ACE_TRACE ("ACE_Name_Request::length");
  this->transfer_.length_ = l;
}

// = Set/get the type of the message.
ACE_UINT32 
ACE_Name_Request::msg_type (void) const
{
  ACE_TRACE ("ACE_Name_Request::msg_type");
  return this->transfer_.msg_type_;
}

void 
ACE_Name_Request::msg_type (ACE_UINT32 t)
{
  ACE_TRACE ("ACE_Name_Request::msg_type");
  this->transfer_.msg_type_ = t;
}

// = Set/get the len of the name
ACE_UINT32 
ACE_Name_Request::name_len (void) const
{
  ACE_TRACE ("ACE_Name_Request::name_len");
  return this->transfer_.name_len_;
}

void 
ACE_Name_Request::name_len (ACE_UINT32 t)
{
  ACE_TRACE ("ACE_Name_Request::name_len");
  this->transfer_.name_len_ = t;
}

// = Set/get the len of the value
ACE_UINT32 
ACE_Name_Request::value_len (void) const
{
  ACE_TRACE ("ACE_Name_Request::value_len");
  return this->transfer_.value_len_;
}

void 
ACE_Name_Request::value_len (ACE_UINT32 t)
{
  ACE_TRACE ("ACE_Name_Request::value_len");
  this->transfer_.value_len_ = t;
}

// = Set/get the len of the type
ACE_UINT32 
ACE_Name_Request::type_len (void) const
{
  ACE_TRACE ("ACE_Name_Request::type_len");
  return this->transfer_.type_len_;
}

void 
ACE_Name_Request::type_len (ACE_UINT32 t)
{
  ACE_TRACE ("ACE_Name_Request::type_len");
  this->transfer_.type_len_ = t;
}

// = Set/get the blocking semantics.
ACE_UINT32
ACE_Name_Request::block_forever (void) const
{
  ACE_TRACE ("ACE_Name_Request::block_forever");
  return this->transfer_.block_forever_;
}

void 
ACE_Name_Request::block_forever (ACE_UINT32 bs)
{
  ACE_TRACE ("ACE_Name_Request::block_forever");
  this->transfer_.block_forever_ = bs;
}

// = Set/get the timeout.
ACE_Time_Value
ACE_Name_Request::timeout (void) const
{
  ACE_TRACE ("ACE_Name_Request::timeout");
  return ACE_Time_Value (this->transfer_.sec_timeout_, this->transfer_.usec_timeout_);
}

void 
ACE_Name_Request::timeout (const ACE_Time_Value timeout)
{
  ACE_TRACE ("ACE_Name_Request::timeout");
  this->transfer_.sec_timeout_  = timeout.sec ();
  this->transfer_.usec_timeout_ = timeout.usec ();
}

// = Set/get the name
const ACE_USHORT16 *
ACE_Name_Request::name (void) const
{
  ACE_TRACE ("ACE_Name_Request::name");
  return this->name_;
}

void 
ACE_Name_Request::name (const ACE_USHORT16 *t)
{
  ACE_TRACE ("ACE_Name_Request::name");
  (void) ACE_OS::memcpy (this->name_, t, this->name_len());
}

// = Set/get the value
const ACE_USHORT16 *
ACE_Name_Request::value (void) const
{
  ACE_TRACE ("ACE_Name_Request::value");
  return this->value_;
}

void 
ACE_Name_Request::value (const ACE_USHORT16 *c)
{
  ACE_TRACE ("ACE_Name_Request::value");
  (void) ACE_OS::memcpy (this->value_, c, this->value_len());
}

// = Set/get the type
const char *
ACE_Name_Request::type (void) const
{
  ACE_TRACE ("ACE_Name_Request::type");
  return this->type_;
}

void 
ACE_Name_Request::type (const char *c)
{
  ACE_TRACE ("ACE_Name_Request::type");
  (void) ::strncpy (this->type_, c, MAXPATHLEN + 1);
}

// Encode the transfer buffer into network byte order 
// so that it can be sent to the server.

int
ACE_Name_Request::encode (void *&buf)
{
  ACE_TRACE ("ACE_Name_Request::encode");
  // Compute the length *before* doing the marshaling.
  ssize_t len = this->length ();
  size_t nv_data_len =
    (this->transfer_.name_len_ + this->transfer_.value_len_) / sizeof (ACE_USHORT16);

  for (size_t i = 0; i < nv_data_len; i++)
    this->transfer_.data_[i] = htons (this->transfer_.data_[i]);

  buf = (void *) &this->transfer_;
  this->transfer_.block_forever_ = htonl (this->transfer_.block_forever_);
  this->transfer_.usec_timeout_	 = htonl (this->transfer_.usec_timeout_);
  this->transfer_.sec_timeout_	 = htonl (this->transfer_.sec_timeout_);
  this->transfer_.length_	 = htonl (this->transfer_.length_);
  this->transfer_.msg_type_	 = htonl (this->transfer_.msg_type_);
  this->transfer_.name_len_	 = htonl (this->transfer_.name_len_);
  this->transfer_.value_len_	 = htonl (this->transfer_.value_len_);
  this->transfer_.type_len_	 = htonl (this->transfer_.type_len_);

  return len;
}

// Decode the transfer buffer into host byte byte order 
// so that it can be used by the server.

int
ACE_Name_Request::decode (void)
{
  ACE_TRACE ("ACE_Name_Request::decode");
  // Decode the fixed-sized portion first.
  this->transfer_.block_forever_ = ntohl (this->transfer_.block_forever_);
  this->transfer_.usec_timeout_	 = ntohl (this->transfer_.usec_timeout_);
  this->transfer_.sec_timeout_	 = ntohl (this->transfer_.sec_timeout_);
  this->transfer_.length_	 = ntohl (this->transfer_.length_);
  this->transfer_.msg_type_	 = ntohl (this->transfer_.msg_type_);
  this->transfer_.name_len_	 = ntohl (this->transfer_.name_len_);
  this->transfer_.value_len_	 = ntohl (this->transfer_.value_len_);
  this->transfer_.type_len_	 = ntohl (this->transfer_.type_len_);

  size_t nv_data_len =
    (this->transfer_.name_len_ + this->transfer_.value_len_) / sizeof (ACE_USHORT16);

  for (size_t i = 0; i < nv_data_len; i++)
    this->transfer_.data_[i] = ntohs (this->transfer_.data_[i]);

  this->name_ = this->transfer_.data_;
  this->value_  = &this->name_[this->transfer_.name_len_ / sizeof (ACE_USHORT16)];
  this->type_  = (char *)(&this->value_[this->transfer_.value_len_ / sizeof (ACE_USHORT16)]);
  this->type_[this->transfer_.type_len_] = '\0';

  // Decode the variable-sized portion.
  return 0;
}

// Print out the current values of the ACE_Name_Request.

void
ACE_Name_Request::dump (void) const
{
  ACE_TRACE ("ACE_Name_Request::dump");
  ACE_DEBUG ((LM_DEBUG, "*******\nlength = %d\n", 
	      this->length ()));
  ACE_DEBUG ((LM_DEBUG, "message-type = "));

  switch (this->msg_type ())
    {
    case ACE_Name_Request::BIND:
      ACE_DEBUG ((LM_DEBUG, "BIND\n"));
      break;
    case ACE_Name_Request::REBIND:
      ACE_DEBUG ((LM_DEBUG, "REBIND\n"));
      break;
    case ACE_Name_Request::RESOLVE:
      ACE_DEBUG ((LM_DEBUG, "RESOLVE\n"));
      break;
    case ACE_Name_Request::UNBIND:
      ACE_DEBUG ((LM_DEBUG, "UNBIND\n"));
      break;
    case ACE_Name_Request::LIST_NAMES:
      ACE_DEBUG ((LM_DEBUG, "LIST_NAMES\n"));
      break;
    case ACE_Name_Request::LIST_VALUES:
      ACE_DEBUG ((LM_DEBUG, "LIST_VALUES\n"));
      break;
    case ACE_Name_Request::LIST_TYPES:
      ACE_DEBUG ((LM_DEBUG, "LIST_TYPES\n"));
      break;
    case ACE_Name_Request::LIST_NAME_ENTRIES:
      ACE_DEBUG ((LM_DEBUG, "LIST_NAME_ENTRIES\n"));
      break;
    case ACE_Name_Request::LIST_VALUE_ENTRIES:
      ACE_DEBUG ((LM_DEBUG, "LIST_VALUE_ENTRIES\n"));
      break;
    case ACE_Name_Request::LIST_TYPE_ENTRIES:
      ACE_DEBUG ((LM_DEBUG, "LIST_TYPE_ENTRIES\n"));
      break;
    default:
      ACE_DEBUG ((LM_DEBUG, "<unknown type> = %d\n", this->msg_type ()));
      break;
    }

  if (this->block_forever ())
    ACE_DEBUG ((LM_DEBUG, "blocking forever\n"));
  else
    {
      ACE_Time_Value tv = this->timeout ();
      ACE_DEBUG ((LM_DEBUG, "waiting for %ld secs and %ld usecs\n", 
		  tv.sec (), tv.usec ()));
    }
  ACE_DEBUG ((LM_DEBUG, "*******\nname_len = %d\n", 
	      this->name_len ()));
  ACE_DEBUG ((LM_DEBUG, "*******\nvalue_len = %d\n", 
	      this->value_len ()));
#if 0
  cout << "Name = " << ACE_WString (this->name(), this->name_len() / sizeof (ACE_USHORT16)) << endl;
  cout << "value = " << ACE_WString (this->value(), this->value_len() / sizeof (ACE_USHORT16)) << endl;
  cout << "type = "  << this->type () << endl;
#endif
  ACE_DEBUG ((LM_DEBUG, "+++++++\n"));
}

// Default constructor.

ACE_Name_Reply::ACE_Name_Reply (void)
{
  ACE_TRACE ("ACE_Name_Reply::ACE_Name_Reply");
  // Initialize to a known quantity.
  this->msg_type (0);
  this->errnum (0);
  this->length (sizeof this->transfer_);
}

// Create a ACE_Name_Reply message.  

ACE_Name_Reply::ACE_Name_Reply (ACE_UINT32 t, ACE_UINT32 err) // Type of reply.
{
  ACE_TRACE ("ACE_Name_Reply::ACE_Name_Reply"); 
  this->msg_type (t);
  this->errnum (err);
  this->length (sizeof this->transfer_);
}

// Initialize length_ in order to avoid problems with byte-ordering
void
ACE_Name_Reply::init (void)
{
  ACE_TRACE ("ACE_Name_Reply::init");
  this->length (sizeof this->transfer_);
}

// = Set/get the length of the encoded/decoded message.
ACE_UINT32 
ACE_Name_Reply::length (void) const
{
  ACE_TRACE ("ACE_Name_Reply::length");
  return this->transfer_.length_;
}

void 
ACE_Name_Reply::length (ACE_UINT32 l)
{
  ACE_TRACE ("ACE_Name_Reply::length");
  this->transfer_.length_ = l;
}

// = Set/get the type of the message.
ACE_UINT32 
ACE_Name_Reply::msg_type (void) const
{
  ACE_TRACE ("ACE_Name_Reply::msg_type");
  return this->transfer_.type_;
}

void 
ACE_Name_Reply::msg_type (ACE_UINT32 t)
{
  ACE_TRACE ("ACE_Name_Reply::msg_type");
  this->transfer_.type_ = t;
}

// = Set/get the status of the reply (0 == success, -1 == failure).
ACE_UINT32 
ACE_Name_Reply::status (void) const
{
  ACE_TRACE ("ACE_Name_Reply::status");
  return this->transfer_.type_ == ACE_Name_Reply::SUCCESS ? 0 : -1;
}

void 
ACE_Name_Reply::status (ACE_UINT32 s)
{
  ACE_TRACE ("ACE_Name_Reply::status");
  this->transfer_.type_ = s == (ACE_UINT32) -1 ? ACE_Name_Reply::FAILURE : ACE_Name_Reply::SUCCESS;
}

// = Set/get the errno of a failed reply.
ACE_UINT32 
ACE_Name_Reply::errnum (void) const
{
  ACE_TRACE ("ACE_Name_Reply::errnum");
  return this->transfer_.errno_;
}

void 
ACE_Name_Reply::errnum (ACE_UINT32 e)
{
  ACE_TRACE ("ACE_Name_Reply::errnum");
  this->transfer_.errno_ = e;
}

// Encode the transfer buffer into network byte order 
// so that it can be sent to the client.

int
ACE_Name_Reply::encode (void *&buf)
{
  ACE_TRACE ("ACE_Name_Reply::encode");
  int len = this->length (); // Get length *before* marshaling.

  this->transfer_.length_ = htonl (this->transfer_.length_);
  this->transfer_.type_	  = htonl (this->transfer_.type_);
  this->transfer_.errno_  = htonl (this->transfer_.errno_);
  buf = (void *) &this->transfer_;
  return len;
}

// Decode the transfer buffer into host byte order 
// so that it can be used by the client.

int
ACE_Name_Reply::decode (void)
{
  ACE_TRACE ("ACE_Name_Reply::decode");
  this->transfer_.length_ = ntohl (this->transfer_.length_);
  this->transfer_.type_	  = ntohl (this->transfer_.type_);
  this->transfer_.errno_  = ntohl (this->transfer_.errno_);
  return 0;
}

// Print out current values of the ACE_Name_Reply object.

void
ACE_Name_Reply::dump (void) const
{
  ACE_TRACE ("ACE_Name_Reply::dump");
  ACE_DEBUG ((LM_DEBUG, "*******\nlength = %d\nerrnum = %d", 
	      this->length (), this->errnum ()));
  ACE_DEBUG ((LM_DEBUG, "type = "));

  switch (this->msg_type ())
    {
    case ACE_Name_Reply::SUCCESS:
      ACE_DEBUG ((LM_DEBUG, "SUCCESS\n"));
      break;
    case ACE_Name_Reply::FAILURE:
      ACE_DEBUG ((LM_DEBUG, "FAILURE\n"));
      break;
    default:
      ACE_DEBUG ((LM_DEBUG, "<unknown type> = %d\n", this->msg_type ()));
      break;
    }
}