/// <summary>
/// this funtion is calles from parent process to
/// transfer the new data to the plugin class
/// </summary>
/// <param name="data">list with all new log data items</param>
public void add_log_data(List <LogDataSet> data)
{
AquaComputer.Logdata.LogDataExport export = new Logdata.LogDataExport();
export.logdata = data;
export.name = export_name;
export.exportTime = DateTime.Now;
System.IO.DirectoryInfo dir = new System.IO.DirectoryInfo(export_path);
if (!dir.Exists)
{
return; //dir is not valid
}
if (export_name == null || export_name == string.Empty)
{
return; //file name not valid
}
if (_in_progress)
{
return; //the current function is running in an other thread
}
//export data to xml file
_in_progress = true;
string file = dir.FullName + "//" + export_name + ".xml";
export.SaveToFile(file);
_in_progress = false;
}
/// <summary>
/// this funtion is calles from parent process to
/// transfer the new data to the plugin class
/// </summary>
/// <param name="data">list with all new log data items</param>
public void add_log_data(List<LogDataSet> data)
{
AquaComputer.Logdata.LogDataExport export = new Logdata.LogDataExport();
export.logdata = data;
export.name = export_name;
export.exportTime = DateTime.Now;
System.IO.DirectoryInfo dir = new System.IO.DirectoryInfo(export_path);
if (!dir.Exists)
return; //dir is not valid
if (export_name == null || export_name == string.Empty)
return; //file name not valid
if (_in_progress)
return; //the current function is running in an other thread
//export data to xml file
_in_progress = true;
string file = dir.FullName + "//" + export_name + ".xml";
export.SaveToFile(file);
_in_progress = false;
}
/// <summary>
/// this funtion is calles from parent process to
/// transfer the new data to the plugin class
/// </summary>
/// <param name="data">list with all new log data items</param>
public void add_log_data(List<LogDataSet> data)
{
if (_in_progress) //the current process is locked
return;
//export current data to a buffer for file writing
_in_progress = true;
AquaComputer.Logdata.LogDataExport export = new Logdata.LogDataExport();
export.logdata = data;
export.name = export_name;
export.exportTime = DateTime.Now;
byte[] buffer = export.ToBuffer();
if (buffer == null || export_name == null || export_name == string.Empty)
{
_in_progress = false;
return;
}
//try to create a new shared memory file
if (memory_file == null || memory_file.SafeMemoryMappedFileHandle.IsClosed || memory_file.SafeMemoryMappedFileHandle.IsInvalid)
{
try
{
memory_file = System.IO.MemoryMappedFiles.MemoryMappedFile.CreateNew(export_name, buffer.LongLength * 2);
memory_file_size = buffer.Length * 2;
}
catch
{
memory_file = null;
memory_file_size = 0;
}
}
//not able to craeate to use a shared memory file with the current settings
if (memory_file == null)
{
_in_progress = false;
return;
}
//check if the file used from external ressources
//wait until all locks are released or timeout elapsed
bool initial_owned;
System.Threading.Mutex shm_mutex = new System.Threading.Mutex(true, "Global\\" + export_name + "_mutex", out initial_owned);
if (!initial_owned)
{
bool mutex_is_free = shm_mutex.WaitOne(50);
if (mutex_is_free == false)
{
_in_progress = false;
return;
}
}
if (memory_file_size < buffer.Length)
{
//file buffer is too small, create file buffer
memory_file.Dispose();
memory_file = System.IO.MemoryMappedFiles.MemoryMappedFile.CreateNew(export_name, buffer.LongLength * 2);
memory_file_size = buffer.Length * 2;
}
//acces file to write data to ram segement
using(var accessor = memory_file.CreateViewAccessor(0, memory_file_size))
{
if (accessor != null)
{
accessor.WriteArray<byte>(0, buffer, 0, buffer.Length);
//reset rest of data array to 0
byte[] reset_buffer = new byte[memory_file_size - buffer.Length];
for (int i = 0; i < reset_buffer.Length; i++)
reset_buffer[i] = 0;
accessor.WriteArray<byte>(buffer.Length, reset_buffer, 0, reset_buffer.Length);
}
}
//release ressources
shm_mutex.ReleaseMutex(); //release mutex
_in_progress = false;
}
/// <summary>
/// this funtion is calles from parent process to
/// transfer the new data to the plugin class
/// </summary>
/// <param name="data">list with all new log data items</param>
public void add_log_data(List <LogDataSet> data)
{
if (_in_progress) //the current process is locked
{
return;
}
//export current data to a buffer for file writing
_in_progress = true;
AquaComputer.Logdata.LogDataExport export = new Logdata.LogDataExport();
export.logdata = data;
export.name = export_name;
export.exportTime = DateTime.Now;
byte[] buffer = export.ToBuffer();
if (buffer == null || export_name == null || export_name == string.Empty)
{
_in_progress = false;
return;
}
//try to create a new shared memory file
if (memory_file == null || memory_file.SafeMemoryMappedFileHandle.IsClosed || memory_file.SafeMemoryMappedFileHandle.IsInvalid)
{
try
{
memory_file = System.IO.MemoryMappedFiles.MemoryMappedFile.CreateNew(export_name, buffer.LongLength * 2);
memory_file_size = buffer.Length * 2;
}
catch
{
memory_file = null;
memory_file_size = 0;
}
}
//not able to craeate to use a shared memory file with the current settings
if (memory_file == null)
{
_in_progress = false;
return;
}
//check if the file used from external ressources
//wait until all locks are released or timeout elapsed
bool initial_owned;
System.Threading.Mutex shm_mutex = new System.Threading.Mutex(true, "Global\\" + export_name + "_mutex", out initial_owned);
if (!initial_owned)
{
bool mutex_is_free = shm_mutex.WaitOne(50);
if (mutex_is_free == false)
{
_in_progress = false;
return;
}
}
if (memory_file_size < buffer.Length)
{
//file buffer is too small, create file buffer
memory_file.Dispose();
memory_file = System.IO.MemoryMappedFiles.MemoryMappedFile.CreateNew(export_name, buffer.LongLength * 2);
memory_file_size = buffer.Length * 2;
}
//acces file to write data to ram segement
using (var accessor = memory_file.CreateViewAccessor(0, memory_file_size))
{
if (accessor != null)
{
accessor.WriteArray <byte>(0, buffer, 0, buffer.Length);
//reset rest of data array to 0
byte[] reset_buffer = new byte[memory_file_size - buffer.Length];
for (int i = 0; i < reset_buffer.Length; i++)
{
reset_buffer[i] = 0;
}
accessor.WriteArray <byte>(buffer.Length, reset_buffer, 0, reset_buffer.Length);
}
}
//release ressources
shm_mutex.ReleaseMutex(); //release mutex
_in_progress = false;
}
