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barrier
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removed obsolete files.

This commit is contained in:
crs 2002-05-01 14:35:55 +00:00
parent f536e1cece
commit c8737de4ad
7 changed files with 0 additions and 424 deletions
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93
net/CSocketInputStream.cpp
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@ -1,93 +0,0 @@
#include "CSocketInputStream.h"
#include "CLock.h"
#include "CMutex.h"
#include "CThread.h"
#include "IJob.h"
#include "XIO.h"
#include <string.h>
#include <assert.h>
//
// CSocketInputStream
//
CSocketInputStream::CSocketInputStream(CMutex* mutex, IJob* closeCB) :
m_mutex(mutex),
m_empty(mutex, true),
m_closeCB(closeCB),
m_closed(false),
m_hungup(false)
{
assert(m_mutex != NULL);
}
CSocketInputStream::~CSocketInputStream()
{
delete m_closeCB;
}
void CSocketInputStream::write(
const void* data, UInt32 n)
{
if (!m_hungup && n > 0) {
m_buffer.write(data, n);
m_empty = (m_buffer.getSize() == 0);
m_empty.broadcast();
}
}
void CSocketInputStream::hangup()
{
m_hungup = true;
m_empty.broadcast();
}
void CSocketInputStream::close()
{
CLock lock(m_mutex);
if (m_closed) {
throw XIOClosed();
}
m_closed = true;
if (m_closeCB) {
m_closeCB->run();
}
}
UInt32 CSocketInputStream::read(
void* dst, UInt32 n)
{
CLock lock(m_mutex);
if (m_closed) {
throw XIOClosed();
}
// wait for data (or hangup)
while (!m_hungup && m_empty == true) {
m_empty.wait();
}
// read data
const UInt32 count = m_buffer.getSize();
if (n > count) {
n = count;
}
if (n > 0) {
memcpy(dst, m_buffer.peek(n), n);
m_buffer.pop(n);
}
// update empty state
if (m_buffer.getSize() == 0) {
m_empty = true;
m_empty.broadcast();
}
return n;
}
UInt32 CSocketInputStream::getSize() const
{
CLock lock(m_mutex);
return m_buffer.getSize();
}

42
net/CSocketInputStream.h
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@ -1,42 +0,0 @@
#ifndef CSOCKETINPUTSTREAM_H
#define CSOCKETINPUTSTREAM_H
#include "CSocketStreamBuffer.h"
#include "CCondVar.h"
#include "IInputStream.h"
class CMutex;
class IJob;
class CSocketInputStream : public IInputStream {
public:
CSocketInputStream(CMutex*, IJob* adoptedCloseCB);
~CSocketInputStream();
// manipulators
// write() appends n bytes to the buffer
void write(const void*, UInt32 n);
// causes read() to always return immediately. if there is no
// more data then it returns 0. further writes are discarded.
void hangup();
// accessors
// IInputStream overrides
// these all lock the mutex for their duration
virtual void close();
virtual UInt32 read(void*, UInt32 count);
virtual UInt32 getSize() const;
private:
CMutex* m_mutex;
CCondVar<bool> m_empty;
IJob* m_closeCB;
CSocketStreamBuffer m_buffer;
bool m_closed;
bool m_hungup;
};
#endif

78
net/CSocketOutputStream.cpp
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@ -1,78 +0,0 @@
#include "CSocketOutputStream.h"
#include "CLock.h"
#include "CMutex.h"
#include "CThread.h"
#include "IJob.h"
#include "XIO.h"
#include <assert.h>
//
// CSocketOutputStream
//
CSocketOutputStream::CSocketOutputStream(CMutex* mutex, IJob* closeCB) :
m_mutex(mutex),
m_closeCB(closeCB),
m_closed(false)
{
assert(m_mutex != NULL);
}
CSocketOutputStream::~CSocketOutputStream()
{
delete m_closeCB;
}
const void* CSocketOutputStream::peek(UInt32 n)
{
return m_buffer.peek(n);
}
void CSocketOutputStream::pop(UInt32 n)
{
m_buffer.pop(n);
}
UInt32 CSocketOutputStream::getSize() const
{
return m_buffer.getSize();
}
void CSocketOutputStream::close()
{
CLock lock(m_mutex);
if (m_closed) {
throw XIOClosed();
}
m_closed = true;
if (m_closeCB) {
m_closeCB->run();
}
}
UInt32 CSocketOutputStream::write(
const void* data, UInt32 n)
{
CLock lock(m_mutex);
if (m_closed) {
throw XIOClosed();
}
m_buffer.write(data, n);
return n;
}
void CSocketOutputStream::flush()
{
// wait until all data is written
while (getSizeWithLock() > 0) {
CThread::sleep(0.05);
}
}
UInt32 CSocketOutputStream::getSizeWithLock() const
{
CLock lock(m_mutex);
return m_buffer.getSize();
}

43
net/CSocketOutputStream.h
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@ -1,43 +0,0 @@
#ifndef CSOCKETOUTPUTSTREAM_H
#define CSOCKETOUTPUTSTREAM_H
#include "CSocketStreamBuffer.h"
#include "IOutputStream.h"
class CMutex;
class IJob;
class CSocketOutputStream : public IOutputStream {
public:
CSocketOutputStream(CMutex*, IJob* adoptedCloseCB);
~CSocketOutputStream();
// manipulators
// peek() returns a buffer of n bytes (which must be <= getSize()).
// pop() discards the next n bytes.
const void* peek(UInt32 n);
void pop(UInt32 n);
// accessors
// return the number of bytes in the buffer
UInt32 getSize() const;
// IOutputStream overrides
// these all lock the mutex for their duration
virtual void close();
virtual UInt32 write(const void*, UInt32 count);
virtual void flush();
private:
UInt32 getSizeWithLock() const;
private:
CMutex* m_mutex;
IJob* m_closeCB;
CSocketStreamBuffer m_buffer;
bool m_closed;
};
#endif

106
net/CSocketStreamBuffer.cpp
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@ -1,106 +0,0 @@
#include "CSocketStreamBuffer.h"
#include <assert.h>
//
// CSocketStreamBuffer
//
const UInt32 CSocketStreamBuffer::kChunkSize = 4096;
CSocketStreamBuffer::CSocketStreamBuffer() : m_size(0)
{
// do nothing
}
CSocketStreamBuffer::~CSocketStreamBuffer()
{
// do nothing
}
const void* CSocketStreamBuffer::peek(UInt32 n)
{
assert(n <= m_size);
// reserve space in first chunk
ChunkList::iterator head = m_chunks.begin();
head->reserve(n);
// consolidate chunks into the first chunk until it has n bytes
ChunkList::iterator scan = head;
++scan;
while (head->size() < n && scan != m_chunks.end()) {
head->insert(head->end(), scan->begin(), scan->end());
scan = m_chunks.erase(scan);
}
return reinterpret_cast<const void*>(head->begin());
}
void CSocketStreamBuffer::pop(UInt32 n)
{
m_size -= n;
// discard chunks until more than n bytes would've been discarded
ChunkList::iterator scan = m_chunks.begin();
while (scan->size() <= n && scan != m_chunks.end()) {
n -= scan->size();
scan = m_chunks.erase(scan);
}
// if there's anything left over then remove it from the head chunk.
// if there's no head chunk then we're already empty.
if (scan == m_chunks.end()) {
m_size = 0;
}
else if (n > 0) {
scan->erase(scan->begin(), scan->begin() + n);
}
}
void CSocketStreamBuffer::write(
const void* vdata, UInt32 n)
{
assert(vdata != NULL);
if (n == 0) {
return;
}
m_size += n;
// cast data to bytes
const UInt8* data = reinterpret_cast<const UInt8*>(vdata);
// point to last chunk if it has space, otherwise append an empty chunk
ChunkList::iterator scan = m_chunks.end();
if (scan != m_chunks.begin()) {
--scan;
if (scan->size() >= kChunkSize)
++scan;
}
if (scan == m_chunks.end()) {
scan = m_chunks.insert(scan);
}
// append data in chunks
while (n > 0) {
// choose number of bytes for next chunk
UInt32 count = kChunkSize - scan->size();
if (count > n)
count = n;
// transfer data
scan->insert(scan->end(), data, data + count);
n -= count;
data += count;
// append another empty chunk if we're not done yet
if (n > 0) {
scan = m_chunks.insert(scan);
}
}
}
UInt32 CSocketStreamBuffer::getSize() const
{
return m_size;
}

38
net/CSocketStreamBuffer.h
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@ -1,38 +0,0 @@
#ifndef CSOCKETSTREAMBUFFER_H
#define CSOCKETSTREAMBUFFER_H
#include "BasicTypes.h"
#include <list>
#include <vector>
class CSocketStreamBuffer {
public:
CSocketStreamBuffer();
~CSocketStreamBuffer();
// manipulators
// peek() returns a buffer of n bytes (which must be <= getSize()).
// pop() discards the next n bytes.
const void* peek(UInt32 n);
void pop(UInt32 n);
// write() appends n bytes to the buffer
void write(const void*, UInt32 n);
// accessors
// return the number of bytes in the buffer
UInt32 getSize() const;
private:
static const UInt32 kChunkSize;
typedef std::vector<UInt8> Chunk;
typedef std::list<Chunk> ChunkList;
ChunkList m_chunks;
UInt32 m_size;
};
#endif

24
net/net.dsp
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@ -95,18 +95,6 @@ SOURCE=.\CNetworkAddress.cpp
# End Source File
# Begin Source File
SOURCE=.\CSocketInputStream.cpp
# End Source File
# Begin Source File
SOURCE=.\CSocketOutputStream.cpp
# End Source File
# Begin Source File
SOURCE=.\CSocketStreamBuffer.cpp
# End Source File
# Begin Source File
SOURCE=.\CTCPListenSocket.cpp
# End Source File
# Begin Source File
@ -135,18 +123,6 @@ SOURCE=.\CNetworkAddress.h
# End Source File
# Begin Source File
SOURCE=.\CSocketInputStream.h
# End Source File
# Begin Source File
SOURCE=.\CSocketOutputStream.h
# End Source File
# Begin Source File
SOURCE=.\CSocketStreamBuffer.h
# End Source File
# Begin Source File
SOURCE=.\CTCPListenSocket.h
# End Source File
# Begin Source File