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/* -*- C++ -*- */
//=============================================================================
/**
* @file MEM_Connector.h
*
* $Id$
*
* @author Nanbor Wang <nanbor@cs.wustl.edu>
*/
//=============================================================================
#ifndef ACE_MEM_CONNECTOR_H
#define ACE_MEM_CONNECTOR_H
#include "ace/pre.h"
#include "ace/SOCK_Connector.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if (ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1)
#include "ace/MEM_Stream.h"
#include "ace/MEM_Addr.h"
/**
* @class ACE_MEM_Connector
*
* @brief Defines the format and interface for the connector side of
* the <ACE_MEM_Stream>.
*/
class ACE_Export ACE_MEM_Connector : public ACE_SOCK_Connector
{
public:
// = Initialization methods.
/// Default constructor.
ACE_MEM_Connector (void);
/**
* Actively connect and produce a <new_stream> if things go well.
* The <remote_sap> is the address that we are trying to connect
* with. The <timeout> is the amount of time to wait to connect.
* If it's 0 then we block indefinitely. If *timeout == {0, 0} then
* the connection is done using non-blocking mode. In this case, if
* the connection can't be made immediately the value of -1 is
* returned with <errno == EWOULDBLOCK>. If *timeout > {0, 0} then
* this is the maximum amount of time to wait before timing out. If the
* time expires before the connection is made <errno == ETIME>. The
* <local_sap> is the value of local address to bind to. If it's
* the default value of <0> then the user is letting the OS do the
* binding. If <reuse_addr> == 1 then the <local_addr> is reused,
* even if it hasn't been cleanedup yet.
*/
ACE_MEM_Connector (ACE_MEM_Stream &new_stream,
const ACE_INET_Addr &remote_sap,
ACE_Time_Value *timeout = 0,
const ACE_Addr &local_sap = ACE_Addr::sap_any,
int reuse_addr = 0,
int flags = 0,
int perms = 0,
int protocol = 0);
/**
* Actively connect and produce a <new_stream> if things go well.
* The <remote_sap> is the address that we are trying to connect
* with. The <timeout> is the amount of time to wait to connect.
* If it's 0 then we block indefinitely. If *timeout == {0, 0} then
* the connection is done using non-blocking mode. In this case, if
* the connection can't be made immediately the value of -1 is
* returned with <errno == EWOULDBLOCK>. If *timeout > {0, 0} then
* this is the maximum amount of time to wait before timing out. If the
* time expires before the connection is made <errno == ETIME>. The
* <local_sap> is the value of local address to bind to. If it's
* the default value of <0> then the user is letting the OS do the
* binding. If <reuse_addr> == 1 then the <local_addr> is reused,
* even if it hasn't been cleanedup yet.
*/
int connect (ACE_MEM_Stream &new_stream,
const ACE_INET_Addr &remote_sap,
ACE_Time_Value *timeout = 0,
const ACE_Addr &local_sap = ACE_Addr::sap_any,
int reuse_addr = 0,
int flags = 0,
int perms = 0,
int protocol = 0);
// Set/get the preferred signaling strategy.
ACE_MEM_IO::Signal_Strategy preferred_strategy (void) const;
void preferred_strategy (ACE_MEM_IO::Signal_Strategy strategy);
/// Accessor to underlying malloc options.
ACE_MEM_SAP::MALLOC_OPTIONS &malloc_options (void);
// = Meta-type info
typedef ACE_INET_Addr PEER_ADDR;
typedef ACE_MEM_Stream PEER_STREAM;
/// Dump the state of an object.
void dump (void) const;
/// Declare the dynamic allocation hooks.
ACE_ALLOC_HOOK_DECLARE;
private:
/// The acceptor address this connector is connecting to.
ACE_MEM_Addr address_;
/// A cached MALLOC_OPTIONS that the MEM_Connector used to initialize
/// the shared memory malloc update connection establishment.
ACE_MEM_SAP::MALLOC_OPTIONS malloc_options_;
// Preferred signaling strategy.
ACE_MEM_IO::Signal_Strategy preferred_strategy_;
};
#if !defined (ACE_LACKS_INLINE_FUNCTIONS)
#include "ace/MEM_Connector.i"
#endif
#endif /* ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1 */
#include "ace/post.h"
#endif /* ACE_MEM_CONNECTOR_H */
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