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/*
* Copyright (C) 2011-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "PipeFile.h"
#include "PipesManager.h"
#include "URL.h"
#include <mutex>
using namespace XFILE;
CPipeFile::CPipeFile() : m_pipe(NULL)
{
}
CPipeFile::~CPipeFile()
{
Close();
}
int64_t CPipeFile::GetPosition()
{
return m_pos;
}
int64_t CPipeFile::GetLength()
{
return m_length;
}
void CPipeFile::SetLength(int64_t len)
{
m_length = len;
}
bool CPipeFile::Open(const CURL& url)
{
std::string name = url.Get();
m_pipe = PipesManager::GetInstance().OpenPipe(name);
if (m_pipe)
m_pipe->AddListener(this);
return (m_pipe != NULL);
}
bool CPipeFile::Exists(const CURL& url)
{
std::string name = url.Get();
return PipesManager::GetInstance().Exists(name);
}
int CPipeFile::Stat(const CURL& url, struct __stat64* buffer)
{
return -1;
}
int CPipeFile::Stat(struct __stat64* buffer)
{
if (!buffer)
return -1;
*buffer = {};
buffer->st_size = m_length;
return 0;
}
ssize_t CPipeFile::Read(void* lpBuf, size_t uiBufSize)
{
if (!m_pipe)
return -1;
if (uiBufSize > SSIZE_MAX)
uiBufSize = SSIZE_MAX;
return m_pipe->Read((char *)lpBuf,(int)uiBufSize);
}
ssize_t CPipeFile::Write(const void* lpBuf, size_t uiBufSize)
{
if (!m_pipe)
return -1;
// m_pipe->Write return bool. either all was written or not.
return m_pipe->Write((const char *)lpBuf,uiBufSize) ? uiBufSize : -1;
}
void CPipeFile::SetEof()
{
if (!m_pipe)
return ;
m_pipe->SetEof();
}
bool CPipeFile::IsEof()
{
if (!m_pipe)
return true;
return m_pipe->IsEof();
}
bool CPipeFile::IsEmpty()
{
if (!m_pipe)
return true;
return m_pipe->IsEmpty();
}
int64_t CPipeFile::Seek(int64_t iFilePosition, int iWhence)
{
return -1;
}
void CPipeFile::Close()
{
if (m_pipe)
{
m_pipe->RemoveListener(this);
PipesManager::GetInstance().ClosePipe(m_pipe);
}
m_pipe = NULL;
}
bool CPipeFile::IsClosed()
{
return (m_pipe == NULL);
}
void CPipeFile::Flush()
{
if (m_pipe)
m_pipe->Flush();
}
bool CPipeFile::OpenForWrite(const CURL& url, bool bOverWrite)
{
std::string name = url.Get();
m_pipe = PipesManager::GetInstance().CreatePipe(name);
if (m_pipe)
m_pipe->AddListener(this);
return (m_pipe != NULL);
}
bool CPipeFile::Delete(const CURL& url)
{
return false;
}
bool CPipeFile::Rename(const CURL& url, const CURL& urlnew)
{
return false;
}
int CPipeFile::IoControl(EIoControl, void* param)
{
return -1;
}
std::string CPipeFile::GetName() const
{
if (!m_pipe)
return "";
return m_pipe->GetName();
}
void CPipeFile::OnPipeOverFlow()
{
std::unique_lock<CCriticalSection> lock(m_lock);
for (size_t l=0; l<m_listeners.size(); l++)
m_listeners[l]->OnPipeOverFlow();
}
int64_t CPipeFile::GetAvailableRead()
{
return m_pipe->GetAvailableRead();
}
void CPipeFile::OnPipeUnderFlow()
{
for (size_t l=0; l<m_listeners.size(); l++)
m_listeners[l]->OnPipeUnderFlow();
}
void CPipeFile::AddListener(IPipeListener *l)
{
std::unique_lock<CCriticalSection> lock(m_lock);
for (size_t i=0; i<m_listeners.size(); i++)
{
if (m_listeners[i] == l)
return;
}
m_listeners.push_back(l);
}
void CPipeFile::RemoveListener(IPipeListener *l)
{
std::unique_lock<CCriticalSection> lock(m_lock);
std::vector<XFILE::IPipeListener *>::iterator i = m_listeners.begin();
while(i != m_listeners.end())
{
if ( (*i) == l)
i = m_listeners.erase(i);
else
++i;
}
}
void CPipeFile::SetOpenThreshold(int threshold)
{
m_pipe->SetOpenThreshold(threshold);
}
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