mirror of https://github.com/debauchee/barrier.git
89 lines
1.2 KiB
C++
89 lines
1.2 KiB
C++
#include "CBufferedOutputStream.h"
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#include "XIO.h"
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#include "CLock.h"
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#include "CMutex.h"
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#include "CThread.h"
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#include "IJob.h"
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//
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// CBufferedOutputStream
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//
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CBufferedOutputStream::CBufferedOutputStream(
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CMutex* mutex,
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IJob* closeCB) :
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m_mutex(mutex),
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m_closeCB(closeCB),
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m_empty(mutex, true),
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m_closed(false)
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{
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assert(m_mutex != NULL);
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}
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CBufferedOutputStream::~CBufferedOutputStream()
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{
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delete m_closeCB;
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}
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const void*
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CBufferedOutputStream::peek(
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UInt32 n)
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{
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return m_buffer.peek(n);
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}
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void
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CBufferedOutputStream::pop(
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UInt32 n)
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{
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m_buffer.pop(n);
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if (m_buffer.getSize() == 0) {
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m_empty.broadcast();
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}
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}
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UInt32
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CBufferedOutputStream::getSize() const
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{
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return m_buffer.getSize();
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}
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void
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CBufferedOutputStream::close()
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{
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CLock lock(m_mutex);
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if (m_closed) {
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throw XIOClosed();
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}
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m_closed = true;
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m_buffer.pop(m_buffer.getSize());
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if (m_closeCB) {
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m_closeCB->run();
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}
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}
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UInt32
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CBufferedOutputStream::write(
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const void* data,
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UInt32 n)
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{
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CLock lock(m_mutex);
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if (m_closed) {
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throw XIOClosed();
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}
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m_buffer.write(data, n);
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return n;
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}
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void
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CBufferedOutputStream::flush()
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{
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// wait until all data is written
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CLock lock(m_mutex);
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while (m_buffer.getSize() > 0) {
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m_empty.wait();
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}
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}
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