bool CFileNFS::OpenForWrite(const CURL& url, bool bOverWrite)
{
int ret = 0;
// we can't open files like nfs://file.f or nfs://server/file.f
// if a file matches the if below return false, it can't exist on a nfs share.
if (!IsValidFile(url.GetFileName())) return false;
Close();
CSingleLock lock(gNfsConnection);
CStdString filename = "";
if(!gNfsConnection.Connect(url,filename))
return false;
if (bOverWrite)
{
CLog::Log(LOGWARNING, "FileNFS::OpenForWrite() called with overwriting enabled! - %s", filename.c_str());
//create file with proper permissions
ret = gNfsConnection.GetImpl()->nfs_creat(gNfsConnection.GetNfsContext(), filename.c_str(), S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH, &m_pFileHandle);
//if file was created the file handle isn't valid ... so close it and open later
if(ret == 0)
{
gNfsConnection.GetImpl()->nfs_close(gNfsConnection.GetNfsContext(),m_pFileHandle);
}
}
ret = gNfsConnection.GetImpl()->nfs_open(gNfsConnection.GetNfsContext(), filename.c_str(), O_RDWR, &m_pFileHandle);
if (ret || m_pFileHandle == NULL)
{
// write error to logfile
CLog::Log(LOGERROR, "CFileNFS::Open: Unable to open file : '%s' error : '%s'", filename.c_str(), gNfsConnection.GetImpl()->nfs_get_error(gNfsConnection.GetNfsContext()));
return false;
}
m_url=url;
#ifdef _LINUX
struct __stat64 tmpBuffer = {0};
#else
struct stat tmpBuffer = {0};
#endif
//only stat if file was not created
if(!bOverWrite)
{
if(Stat(&tmpBuffer))
{
m_url.Reset();
Close();
return false;
}
m_fileSize = tmpBuffer.st_size;//cache filesize of this file
}
else//file was created - filesize is zero
{
m_fileSize = 0;
}
// We've successfully opened the file!
return true;
}
bool CNFSFile::Open(const CURL& url)
{
int ret = 0;
Close();
// we can't open files like nfs://file.f or nfs://server/file.f
// if a file matches the if below return false, it can't exist on a nfs share.
if (!IsValidFile(url.GetFileName()))
{
CLog::Log(LOGNOTICE,"NFS: Bad URL : '%s'",url.GetFileName().c_str());
return false;
}
CStdString filename = "";
CSingleLock lock(gNfsConnection);
if(!gNfsConnection.Connect(url, filename))
return false;
m_pNfsContext = gNfsConnection.GetNfsContext();
m_exportPath = gNfsConnection.GetContextMapId();
ret = gNfsConnection.GetImpl()->nfs_open(m_pNfsContext, filename.c_str(), O_RDONLY, &m_pFileHandle);
if (ret != 0)
{
CLog::Log(LOGINFO, "CNFSFile::Open: Unable to open file : '%s' error : '%s'", url.GetFileName().c_str(), gNfsConnection.GetImpl()->nfs_get_error(m_pNfsContext));
m_pNfsContext = NULL;
m_exportPath.clear();
return false;
}
CLog::Log(LOGDEBUG,"CNFSFile::Open - opened %s",url.GetFileName().c_str());
m_url=url;
struct __stat64 tmpBuffer;
if( Stat(&tmpBuffer) )
{
m_url.Reset();
Close();
return false;
}
m_fileSize = tmpBuffer.st_size;//cache the size of this file
// We've successfully opened the file!
return true;
}
bool CNFSFile::Delete(const CURL& url)
{
int ret = 0;
CSingleLock lock(gNfsConnection);
CStdString filename = "";
if(!gNfsConnection.Connect(url, filename))
return false;
ret = gNfsConnection.GetImpl()->nfs_unlink(gNfsConnection.GetNfsContext(), filename.c_str());
if(ret != 0)
{
CLog::Log(LOGERROR, "%s - Error( %s )", __FUNCTION__, gNfsConnection.GetImpl()->nfs_get_error(gNfsConnection.GetNfsContext()));
}
return (ret == 0);
}
int CNFSFile::Stat(const CURL& url, struct __stat64* buffer)
{
int ret = 0;
CSingleLock lock(gNfsConnection);
CStdString filename = "";
if(!gNfsConnection.Connect(url,filename))
return -1;
NFSSTAT tmpBuffer = {0};
ret = gNfsConnection.GetImpl()->nfs_stat(gNfsConnection.GetNfsContext(), filename.c_str(), &tmpBuffer);
//if buffer == NULL we where called from Exists - in that case don't spam the log with errors
if (ret != 0 && buffer != NULL)
{
CLog::Log(LOGERROR, "NFS: Failed to stat(%s) %s\n", url.GetFileName().c_str(), gNfsConnection.GetImpl()->nfs_get_error(gNfsConnection.GetNfsContext()));
ret = -1;
}
else
{
if(buffer)
{
#if defined(TARGET_WINDOWS)// TODO get rid of this define after gotham
memcpy(buffer, &tmpBuffer, sizeof(struct __stat64));
#else
memset(buffer, 0, sizeof(struct __stat64));
buffer->st_dev = tmpBuffer.st_dev;
buffer->st_ino = tmpBuffer.st_ino;
buffer->st_mode = tmpBuffer.st_mode;
buffer->st_nlink = tmpBuffer.st_nlink;
buffer->st_uid = tmpBuffer.st_uid;
buffer->st_gid = tmpBuffer.st_gid;
buffer->st_rdev = tmpBuffer.st_rdev;
buffer->st_size = tmpBuffer.st_size;
buffer->st_atime = tmpBuffer.st_atime;
buffer->st_mtime = tmpBuffer.st_mtime;
buffer->st_ctime = tmpBuffer.st_ctime;
#endif
}
}
return ret;
}
bool CNFSFile::Rename(const CURL& url, const CURL& urlnew)
{
int ret = 0;
CSingleLock lock(gNfsConnection);
CStdString strFile = "";
if(!gNfsConnection.Connect(url,strFile))
return false;
CStdString strFileNew;
CStdString strDummy;
gNfsConnection.splitUrlIntoExportAndPath(urlnew, strDummy, strFileNew);
ret = gNfsConnection.GetImpl()->nfs_rename(gNfsConnection.GetNfsContext() , strFile.c_str(), strFileNew.c_str());
if(ret != 0)
{
CLog::Log(LOGERROR, "%s - Error( %s )", __FUNCTION__, gNfsConnection.GetImpl()->nfs_get_error(gNfsConnection.GetNfsContext()));
}
return (ret == 0);
}
