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# ACE_UPIPE_Stream Class Reference

Defines the method that transfer data on a UPIPE. More...

`#include <UPIPE_Stream.h>`

Inheritance diagram for ACE_UPIPE_Stream:

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Collaboration diagram for ACE_UPIPE_Stream:

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List of all members.

## Public Methods
| ACE_UPIPE_Stream (void)
virtual | ~ACE_UPIPE_Stream (void)
int | close (void)
| Shut down the UPIPE and release resources. More...
ACE_HANDLE | get_handle (void) const
| Return the underlying I/O handle. More...
int | send (ACE_Message_Block *mb_p, ACE_Time_Value *timeout=0)
| Send a message through the message queue. Returns -1 on error, else 0. More...
int | recv (ACE_Message_Block *&mb_p, ACE_Time_Value *timeout=0)
| Recv a message from the message queue. Returns -1 on error, else 0. More...
int | send (const char *buffer, size_t n, ACE_Time_Value *timeout=0)
| Send a buffer of <n> bytes through the message queue. Returns -1 on error, else number of bytes sent. More...
int | recv (char *buffer, size_t n, ACE_Time_Value *timeout=0)
| Recv a buffer of upto <n> bytes from the message queue. Returns -1 on error, else number of bytes read. More...
int | send_n (const char *buffer, size_t n, ACE_Time_Value *timeout=0)
| Send a buffer of exactly <n> bytes to the message queue. Returns -1 on error, else number of bytes written (which should == n). More...
int | recv_n (char *buffer, size_t n, ACE_Time_Value *timeout=0)
| Recv a buffer of exactly <n> bytes from the message queue. Returns -1 on error, else the number of bytes read. More...
int | control (int cmd, void *val) const
| Perform control operations on the UPIPE_Stream. More...
int | get_remote_addr (ACE_UPIPE_Addr &remote_sap) const
| Return the remote address we are connected to. More...
void | dump (void) const
| Dump the state of an object. More...
## Public Attributes
| ACE_ALLOC_HOOK_DECLARE
| Declare the dynamic allocation hooks. More...
## Private Attributes
ACE_Message_Block * | mb_last_
| To hold the last ACE_Message_Block read out of the stream. Thus allowing subsequent reads from one ACE_Message_Block. More...
size_t | remaining_
| Holds the number of bytes that are still available in mb_last_. More...
ACE_UPIPE_Addr | remote_addr_
| Address of who we are connected to. More...
MT_Stream | stream_
| Stream component used by the <UPIPE_Acceptor> and <UPIPE_Connector> to link together two UPIPE_Streams. More...
int | reference_count_
| Keep track of whether the sender and receiver have both shut down. More...
## Friends
class | ACE_UPIPE_Acceptor
class | ACE_UPIPE_Connector

## Detailed Description

Defines the method that transfer data on a UPIPE.

## Constructor & Destructor Documentation

ACE_UPIPE_Stream::ACE_UPIPE_Stream | ( | void |  | ) |

ACE_UPIPE_Stream::~ACE_UPIPE_Stream | ( | void |  | ) | `[virtual]`

## Member Function Documentation

int ACE_UPIPE_Stream::close | ( | void |  | ) |

| Shut down the UPIPE and release resources. Reimplemented from ACE_SPIPE.

int ACE_UPIPE_Stream::control | ( | int | cmd,
|  | void * | val
| ) | const

| Perform control operations on the UPIPE_Stream. Reimplemented from ACE_IPC_SAP.

void ACE_UPIPE_Stream::dump | ( | void |  | ) | const

| Dump the state of an object. Reimplemented from ACE_SPIPE.

ACE_INLINE ACE_HANDLE ACE_UPIPE_Stream::get_handle | ( | void |  | ) | const

| Return the underlying I/O handle. Reimplemented from ACE_IPC_SAP.

int ACE_UPIPE_Stream::get_remote_addr | ( | ACE_UPIPE_Addr & | remote_sap | ) | const

| Return the remote address we are connected to.

int ACE_UPIPE_Stream::recv | ( | char * | buffer,
|  | size_t | n,
|  | ACE_Time_Value * | timeout = 0
| ) |

| Recv a buffer of upto <n> bytes from the message queue. Returns -1 on error, else number of bytes read.

int ACE_UPIPE_Stream::recv | ( | ACE_Message_Block *& | mb_p,
|  | ACE_Time_Value * | timeout = 0
| ) |

| Recv a message from the message queue. Returns -1 on error, else 0.

int ACE_UPIPE_Stream::recv_n | ( | char * | buf,
|  | size_t | n,
|  | ACE_Time_Value * | timeout = 0
| ) |

| Recv a buffer of exactly <n> bytes from the message queue. Returns -1 on error, else the number of bytes read.

int ACE_UPIPE_Stream::send | ( | const char * | buffer,
|  | size_t | n,
|  | ACE_Time_Value * | timeout = 0
| ) |

| Send a buffer of <n> bytes through the message queue. Returns -1 on error, else number of bytes sent.

int ACE_UPIPE_Stream::send | ( | ACE_Message_Block * | mb_p,
|  | ACE_Time_Value * | timeout = 0
| ) |

| Send a message through the message queue. Returns -1 on error, else 0.

int ACE_UPIPE_Stream::send_n | ( | const char * | buf,
|  | size_t | n,
|  | ACE_Time_Value * | timeout = 0
| ) |

| Send a buffer of exactly <n> bytes to the message queue. Returns -1 on error, else number of bytes written (which should == n).

## Friends And Related Function Documentation

friend class ACE_UPIPE_Acceptor`[friend]`

friend class ACE_UPIPE_Connector`[friend]`

## Member Data Documentation

ACE_UPIPE_Stream::ACE_ALLOC_HOOK_DECLARE

| Declare the dynamic allocation hooks. Reimplemented from ACE_SPIPE.

ACE_Message_Block* ACE_UPIPE_Stream::mb_last_`[private]`

| To hold the last ACE_Message_Block read out of the stream. Thus allowing subsequent reads from one ACE_Message_Block.

int ACE_UPIPE_Stream::reference_count_`[private]`

| Keep track of whether the sender and receiver have both shut down.

size_t ACE_UPIPE_Stream::remaining_`[private]`

| Holds the number of bytes that are still available in mb_last_.

ACE_UPIPE_Addr ACE_UPIPE_Stream::remote_addr_`[private]`

| Address of who we are connected to.

MT_Stream ACE_UPIPE_Stream::stream_`[private]`

| Stream component used by the <UPIPE_Acceptor> and <UPIPE_Connector> to link together two UPIPE_Streams.

The documentation for this class was generated from the following files:

- UPIPE_Stream.h
- UPIPE_Stream.cpp
- UPIPE_Stream.i