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server/dep/acelite/ace/SOCK_SEQPACK_Connector.h
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// -*- C++ -*-
//=============================================================================
/**
* @file SOCK_SEQPACK_Connector.h
*
* $Id: SOCK_SEQPACK_Connector.h 84816 2009-03-13 08:16:32Z johnnyw $
*
* @author Patrick J. Lardieri <plardier@atl.lmco.com>
* @author Gaurav Naik, Lockheed Martin ATL
* @author based on SOCK_STREAM_Connector
* by Douglas C. Schmidt <schmidt@dre.vanderbilt.edu>
*
*/
//=============================================================================
#ifndef ACE_SOCK_SEQPACK_CONNECTOR_H
#define ACE_SOCK_SEQPACK_CONNECTOR_H
#include /**/ "ace/pre.h"
#include /**/ "ace/ACE_export.h"
#include "ace/SOCK_SEQPACK_Association.h"
#include "ace/Multihomed_INET_Addr.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
// Forward declarations.
class ACE_Time_Value;
/**
* @class ACE_SOCK_SEQPACK_Connector
*
* @brief Defines a factory that actively connects to a remote IP
* address and TCP port, creating a new @c ACE_SOCK_SEQPACK_Association object.
*
* The @c ACE_SOCK_SEQPACK_Connector doesn't have a socket of its own,
* i.e., it simply "borrows" the one from the @c ACE_SOCK_SEQPACK_Association
* that's being connected. The reason for this is that the
* underlying socket API doesn't use a factory socket to connect
* data mode sockets. Therefore, there's no need to inherit
* @c ACE_SOCK_SEQPACK_Connector from @c ACE_SOCK. A nice side-effect of
* this is that @c ACE_SOCK_SEQPACK_Connector objects do not store state so
* they can be used reentrantly in multithreaded programs.
*/
class ACE_Export ACE_SOCK_SEQPACK_Connector
{
public:
// = Initialization and termination methods.
/// Default constructor.
ACE_SOCK_SEQPACK_Connector (void);
/**
* Actively connect to a peer, producing a connected @c ACE_SOCK_SEQPACK_Association
* object if the connection succeeds.
*
* @param new_association The @c ACE_SOCK_SEQPACK_Association object that will be connected
* to the peer.
* @param remote_sap The address that we are trying to connect to.
* The protocol family of @c remote_sap is used for
* the connected socket. That is, if @c remote_sap
* contains an IPv6 address, a socket with family
* PF_INET6 will be used, else it will be PF_INET.
* @param timeout Pointer to an @c ACE_Time_Value object with amount
* of time to wait to connect. If the pointer is 0
* then the call blocks until the connection attempt
* is complete, whether it succeeds or fails. If
* *timeout == {0, 0} then the connection is done
* using nonblocking mode. In this case, if the
* connection can't be made immediately, this method
* returns -1 and errno == EWOULDBLOCK.
* If *timeout > {0, 0} then this is the maximum amount
* of time to wait before timing out; if the specified
* amount of time passes before the connection is made,
* this method returns -1 and errno == ETIME. Note
* the difference between this case and when a blocking
* connect is attempted that TCP times out - in the latter
* case, errno will be ETIMEDOUT.
* @param local_sap (optional) The local address to bind to. If it's
* the default value of @c ACE_Addr::sap_any then the
* OS will choose an unused port.
* @param reuse_addr (optional) If the value is 1, the local address
* (@c local_sap) is reused, even if it hasn't been
* cleaned up yet.
* @param flags Ignored.
* @param perms Ignored.
* @param protocol (optional) If value is 0, default SOCK_STREAM
* protocol is selected by kernel (typically TCP).
*
* @return Returns 0 if the connection succeeds. If it fails,
* -1 is returned and errno contains a specific error
* code.
*/
ACE_SOCK_SEQPACK_Connector (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Addr &remote_sap,
const 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 = 132);
/**
* Actively connect to a peer, producing a connected @c ACE_SOCK_SEQPACK_Association
* object if the connection succeeds.
*
* @param new_association The @c ACE_SOCK_SEQPACK_Association object that will be connected
* to the peer.
* @param remote_sap The address that we are trying to connect to.
* The protocol family of @c remote_sap is used for
* the connected socket. That is, if @c remote_sap
* contains an IPv6 address, a socket with family
* PF_INET6 will be used, else it will be PF_INET.
* @param timeout Pointer to an @c ACE_Time_Value object with amount
* of time to wait to connect. If the pointer is 0
* then the call blocks until the connection attempt
* is complete, whether it succeeds or fails. If
* *timeout == {0, 0} then the connection is done
* using nonblocking mode. In this case, if the
* connection can't be made immediately, this method
* returns -1 and errno == EWOULDBLOCK.
* If *timeout > {0, 0} then this is the maximum amount
* of time to wait before timing out; if the specified
* amount of time passes before the connection is made,
* this method returns -1 and errno == ETIME. Note
* the difference between this case and when a blocking
* connect is attempted that TCP times out - in the latter
* case, errno will be ETIMEDOUT.
* @param local_sap (optional) The set of local addresses for SCTP to
* bind to.
* @param reuse_addr (optional) If the value is 1, the local address
* (@c local_sap) is reused, even if it hasn't been
* cleaned up yet.
* @param flags Ignored.
* @param perms Ignored.
* @param protocol (optional) If value is 0, default SOCK_STREAM
* protocol is selected by kernel (typically TCP).
*
* @return Returns 0 if the connection succeeds. If it fails,
* -1 is returned and errno contains a specific error
* code.
*/
ACE_SOCK_SEQPACK_Connector (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Addr &remote_sap,
const ACE_Time_Value *timeout,
const ACE_Multihomed_INET_Addr &local_sap,
int reuse_addr = 0,
int flags = 0,
int perms = 0,
int protocol = 132);
/**
* Actively connect to a peer, producing a connected @c ACE_SOCK_SEQPACK_Association
* object if the connection succeeds.
*
* @param new_association The @c ACE_SOCK_SEQPACK_Association object that will be connected
* to the peer.
* @param remote_sap The address that we are trying to connect to.
* The protocol family of @c remote_sap is used for
* the connected socket. That is, if @c remote_sap
* contains an IPv6 address, a socket with family
* PF_INET6 will be used, else it will be PF_INET.
* @param timeout Pointer to an @c ACE_Time_Value object with amount
* of time to wait to connect. If the pointer is 0
* then the call blocks until the connection attempt
* is complete, whether it succeeds or fails. If
* *timeout == {0, 0} then the connection is done
* using nonblocking mode. In this case, if the
* connection can't be made immediately, this method
* returns -1 and errno == EWOULDBLOCK.
* If *timeout > {0, 0} then this is the maximum amount
* of time to wait before timing out; if the specified
* amount of time passes before the connection is made,
* this method returns -1 and errno == ETIME. Note
* the difference between this case and when a blocking
* connect is attempted that TCP times out - in the latter
* case, errno will be ETIMEDOUT.
* @param local_sap (optional) The local address to bind to. If it's
* the default value of @c ACE_Addr::sap_any then the
* OS will choose an unused port.
* @param reuse_addr (optional) If the value is 1, the local address
* (@c local_sap) is reused, even if it hasn't been
* cleaned up yet.
* @param flags Ignored.
* @param perms Ignored.
* @param protocol (optional) If value is 0, default SOCK_STREAM
* protocol is selected by kernel (typically TCP).
*
* @return Returns 0 if the connection succeeds. If it fails,
* -1 is returned and errno contains a specific error
* code.
*/
int connect (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Addr &remote_sap,
const 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 = 132);
/**
* Actively connect to a peer, producing a connected @c ACE_SOCK_SEQPACK_Association
* object if the connection succeeds.
*
* @param new_association The @c ACE_SOCK_SEQPACK_Association object that will be connected
* to the peer.
* @param remote_sap The address that we are trying to connect to.
* The protocol family of @c remote_sap is used for
* the connected socket. That is, if @c remote_sap
* contains an IPv6 address, a socket with family
* PF_INET6 will be used, else it will be PF_INET.
* @param timeout Pointer to an @c ACE_Time_Value object with amount
* of time to wait to connect. If the pointer is 0
* then the call blocks until the connection attempt
* is complete, whether it succeeds or fails. If
* *timeout == {0, 0} then the connection is done
* using nonblocking mode. In this case, if the
* connection can't be made immediately, this method
* returns -1 and errno == EWOULDBLOCK.
* If *timeout > {0, 0} then this is the maximum amount
* of time to wait before timing out; if the specified
* amount of time passes before the connection is made,
* this method returns -1 and errno == ETIME. Note
* the difference between this case and when a blocking
* connect is attempted that TCP times out - in the latter
* case, errno will be ETIMEDOUT.
* @param local_sap (optional) The set of local addresses for SCTP to
* bind to.
* @param reuse_addr (optional) If the value is 1, the local address
* (@c local_sap) is reused, even if it hasn't been
* cleaned up yet.
* @param flags Ignored.
* @param perms Ignored.
* @param protocol (optional) If value is 0, default SOCK_STREAM
* protocol is selected by kernel (typically TCP).
*
* @return Returns 0 if the connection succeeds. If it fails,
* -1 is returned and errno contains a specific error
* code.
*/
int connect (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Addr &remote_sap,
const ACE_Time_Value *timeout,
const ACE_Multihomed_INET_Addr &local_sap,
int reuse_addr = 0,
int flags = 0,
int perms = 0,
int protocol = 132);
/// Default dtor.
~ACE_SOCK_SEQPACK_Connector (void);
// = Completion routine.
/**
* Try to complete a nonblocking connection that was begun by a
* previous call to connect with a {0, 0} ACE_Time_Value timeout.
* @see connect().
*
* @param new_association The @c ACE_SOCK_SEQPACK_Association object that will be connected
* to the peer.
* @param remote_sap If non-0, it points to the @c ACE_INET_Addr object
* that will contain the address of the connected peer.
* @param timeout Same values and return value possibilites as for
* connect(). @see connect().
*/
int complete (ACE_SOCK_SEQPACK_Association &new_association,
ACE_Addr *remote_sap = 0,
const ACE_Time_Value *timeout = 0);
/// Resets any event associations on this handle
bool reset_new_handle (ACE_HANDLE handle);
// = Meta-type info
typedef ACE_Multihomed_INET_Addr PEER_ADDR;
typedef ACE_SOCK_SEQPACK_Association PEER_STREAM;
/// Dump the state of an object.
void dump (void) const;
/// Declare the dynamic allocation hooks.
ACE_ALLOC_HOOK_DECLARE;
protected:
/// Perform operations that ensure the socket is opened using
/// BSD-style semantics (no QoS).
int shared_open (ACE_SOCK_SEQPACK_Association &new_association,
int protocol_family,
int protocol,
int reuse_addr);
/// Perform operations that ensure the socket is opened using
/// QoS-enabled semantics.
int shared_open (ACE_SOCK_SEQPACK_Association &new_association,
int protocol_family,
int protocol,
ACE_Protocol_Info *protocolinfo,
ACE_SOCK_GROUP g,
u_long flags,
int reuse_addr);
/// Perform operations that must be called before <ACE_OS::connect>.
int shared_connect_start (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Time_Value *timeout,
const ACE_Addr &local_sap);
int shared_connect_start (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Time_Value *timeout,
const ACE_Multihomed_INET_Addr &local_sap);
/// Perform operations that must be called after <ACE_OS::connect>.
int shared_connect_finish (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Time_Value *timeout,
int result);
};
ACE_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "ace/SOCK_SEQPACK_Connector.inl"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* ACE_SOCK_SEQPACK_CONNECTOR_H */
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