public Sample(RrdDb parentDb, long time) {
this.parentDb = parentDb;
this.time = time;
this.dsNames = parentDb.getDsNames();
clearValues();
}
public FetchRequest(RrdDb parentDb, ConsolFun consolFun, long fetchStart, long fetchEnd, long resolution)
{
if (consolFun == null)
{
throw new ArgumentException("Null consolidation function in fetch request");
}
if (fetchStart < 0)
{
throw new ArgumentException("Invalid start time in fetch request: " + fetchStart);
}
if (fetchEnd < 0)
{
throw new ArgumentException("Invalid end time in fetch request: " + fetchEnd);
}
if (fetchStart > fetchEnd)
{
throw new ArgumentException("Invalid start/end time in fetch request: " + fetchStart +
" > " + fetchEnd);
}
if (resolution <= 0)
{
throw new ArgumentException("Invalid resolution in fetch request: " + resolution);
}
this.parentDb = parentDb;
this.consolFun = consolFun;
this.fetchStart = fetchStart;
this.fetchEnd = fetchEnd;
this.resolution = resolution;
}
public Archive(RrdDb parentDb, ArcDef arcDef)
{
bool shouldInitialize = arcDef != null;
this.parentDb = parentDb;
consolFun = new RrdString(this, true); // constant, may be cached
xff = new RrdDouble(this);
steps = new RrdInt(this, true); // constant, may be cached
rows = new RrdInt(this, true); // constant, may be cached
if (shouldInitialize)
{
consolFun.set(arcDef.getConsolFun().Name);
xff.set(arcDef.getXff());
steps.set(arcDef.getSteps());
rows.set(arcDef.getRows());
}
int n = parentDb.getHeader().getDsCount();
states = new ArcState[n];
robins = new Robin[n];
for (int i = 0; i < n; i++)
{
states[i] = new ArcState(this, shouldInitialize);
int numRows = rows.get();
robins[i] = new Robin(this, numRows, shouldInitialize);
}
}
/**
* Copies object's internal state to another RrdDb object.
*
* @param other New RrdDb object to copy state to
* @Thrown in case of I/O error
*/
public void copyStateTo(RrdUpdater other)
{
lock (sync)
{
if (other.GetType() != typeof(RrdDb))
{
throw new ArgumentException("Cannot copy RrdDb object to " + other.GetType().ToString());
}
RrdDb otherRrd = (RrdDb)other;
header.copyStateTo(otherRrd.header);
for (int i = 0; i < Datasources.Length; i++)
{
int j = getMatchingDatasourceIndex(this, i, otherRrd);
if (j >= 0)
{
Datasources[i].copyStateTo(otherRrd.Datasources[j]);
}
}
for (int i = 0; i < archives.Length; i++)
{
int j = getMatchingArchiveIndex(this, i, otherRrd);
if (j >= 0)
{
archives[i].copyStateTo(otherRrd.archives[j]);
}
}
}
}
public rrd4n.DataAccess.Data.FetchData GetData(rrd4n.DataAccess.Data.FetchRequest request)
{
RrdDb rrdDb = null;
try
{
string dataPath;
if (DataPath.Contains("${APPDATA}"))
{
dataPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
dataPath += DataPath.Substring(10);
}
else
dataPath = DataPath;
rrdDb = new RrdDb(dataPath + request.DatabasePath);
FetchRequest coreRequest = new FetchRequest(rrdDb.getPath(), request.ConsolidateFunctionName, request.FetchStart, request.FetchEnd, request.Resolution);
FetchData coreFetchData = rrdDb.fetchData(coreRequest);
return new rrd4n.DataAccess.Data.FetchData(coreFetchData.getArcStep(), coreFetchData.getArcEndTime(), coreFetchData.getDsNames())
{
Values = coreFetchData.getValues(),
Timestamps = coreFetchData.getTimestamps()
};
}
finally
{
if (rrdDb != null)
rrdDb.close();
}
}
/**
* Requests a RrdDb reference for the given RRD file path.<p>
* <ul>
* <li>If the file is already open, previously returned RrdDb reference will be returned. Its usage count
* will be incremented by one.
* <li>If the file is not already open and the number of already open RRD files is less than
* {@link #INITIAL_CAPACITY}, the file will be open and a new RrdDb reference will be returned.
* If the file is not already open and the number of already open RRD files is equal to
* {@link #INITIAL_CAPACITY}, the method blocks until some RRD file is closed.
* </ul>
*
* @param path Path to existing RRD file
* @return reference for the give RRD file
* @ Thrown in case of I/O error
*/
public RrdDb requestRrdDb(String path)
{
lock (sync)
{
String canonicalPath = Util.getCanonicalPath(path);
while (!rrdMap.ContainsKey(canonicalPath) && rrdMap.Count >= capacity)
{
Thread.Sleep(10);
}
if (rrdMap.ContainsKey(canonicalPath))
{
// already open, just increase usage count
RrdEntry entry = rrdMap[canonicalPath];
entry.count++;
return(entry.rrdDb);
}
else
{
// not open, open it now and add to the map
RrdDb rrdDb = new RrdDb(canonicalPath);
rrdMap.Add(canonicalPath, new RrdEntry(rrdDb));
return(rrdDb);
}
}
}
public Archive(RrdDb parentDb, ArcDef arcDef)
{
bool shouldInitialize = arcDef != null;
this.parentDb = parentDb;
consolFun = new RrdString(this, true); // constant, may be cached
xff = new RrdDouble(this);
steps = new RrdInt(this, true); // constant, may be cached
rows = new RrdInt(this, true); // constant, may be cached
if (shouldInitialize)
{
consolFun.set(arcDef.getConsolFun().Name);
xff.set(arcDef.getXff());
steps.set(arcDef.getSteps());
rows.set(arcDef.getRows());
}
int n = parentDb.getHeader().getDsCount();
states = new ArcState[n];
robins = new Robin[n];
for (int i = 0; i < n; i++)
{
states[i] = new ArcState(this, shouldInitialize);
int numRows = rows.get();
robins[i] = new Robin(this, numRows, shouldInitialize);
}
}
public Datasource(RrdDb parentDb, DsDef dsDef)
{
bool shouldInitialize = dsDef != null;
this.parentDb = parentDb;
dsName = new RrdString(this);
dsTypeName = new RrdString(this);
if (!shouldInitialize)
{
dsType = new DsType(dsTypeName.get());
}
heartbeat = new RrdLong(this);
minValue = new RrdDouble(this);
maxValue = new RrdDouble(this);
lastValue = new RrdDouble(this);
accumValue = new RrdDouble(this);
nanSeconds = new RrdLong(this);
if (shouldInitialize)
{
dsName.set(dsDef.getDsName());
dsType = dsDef.getDsType();
dsTypeName.set(dsType.Name);
heartbeat.set(dsDef.getHeartbeat());
minValue.set(dsDef.getMinValue());
maxValue.set(dsDef.getMaxValue());
lastValue.set(Double.NaN);
accumValue.set(0.0);
Header header = parentDb.getHeader();
nanSeconds.set(header.getLastUpdateTime() % header.getStep());
}
}
public Datasource(RrdDb parentDb, DsDef dsDef)
{
bool shouldInitialize = dsDef != null;
this.parentDb = parentDb;
dsName = new RrdString(this);
dsTypeName = new RrdString(this);
if (!shouldInitialize)
dsType = new DsType(dsTypeName.get());
heartbeat = new RrdLong(this);
minValue = new RrdDouble(this);
maxValue = new RrdDouble(this);
lastValue = new RrdDouble(this);
accumValue = new RrdDouble(this);
nanSeconds = new RrdLong(this);
if (shouldInitialize)
{
dsName.set(dsDef.getDsName());
dsType = dsDef.getDsType();
dsTypeName.set(dsType.Name);
heartbeat.set(dsDef.getHeartbeat());
minValue.set(dsDef.getMinValue());
maxValue.set(dsDef.getMaxValue());
lastValue.set(Double.NaN);
accumValue.set(0.0);
Header header = parentDb.getHeader();
nanSeconds.set(header.getLastUpdateTime() % header.getStep());
}
}
public Sample(string[] dsNames, long time)
{
this.parentDb = null;
this.time = time;
this.dsNames = dsNames;
clearValues();
}
public Sample(string[] dsNames, long time)
{
this.parentDb = null;
this.time = time;
this.dsNames = dsNames;
clearValues();
}
public Sample(RrdDb parentDb, long time)
{
this.parentDb = parentDb;
this.time = time;
this.dsNames = parentDb.getDsNames();
clearValues();
}
public Datasource(RrdDb parentDb, DataImporter reader, int dsIndex)
: this(parentDb, null)
{
dsName.set(reader.getDsName(dsIndex));
dsType = new DsType(reader.getDsType(dsIndex));
dsTypeName.set(dsType.Name);
heartbeat.set(reader.getHeartbeat(dsIndex));
minValue.set(reader.getMinValue(dsIndex));
maxValue.set(reader.getMaxValue(dsIndex));
lastValue.set(reader.getLastValue(dsIndex));
accumValue.set(reader.getAccumValue(dsIndex));
nanSeconds.set(reader.getNanSeconds(dsIndex));
}
private static int getMatchingDatasourceIndex(RrdDb rrd1, int dsIndex, RrdDb rrd2)
{
String dsName = rrd1.getDatasource(dsIndex).DsName;
try
{
return(rrd2.getDsIndex(dsName));
}
catch (ArgumentException e)
{
return(-1);
}
}
/**
* Requests a RrdDb reference for the given RRD file definition object.<p>
* <ul>
* <li>If the file with the path specified in the RrdDef object is already open,
* the method blocks until the file is closed.
* <li>If the file is not already open and the number of already open RRD files is less than
* {@link #INITIAL_CAPACITY}, a new RRD file will be created and a its RrdDb reference will be returned.
* If the file is not already open and the number of already open RRD files is equal to
* {@link #INITIAL_CAPACITY}, the method blocks until some RRD file is closed.
* </ul>
*
* @param rrdDef Definition of the RRD file to be created
* @return Reference to the newly created RRD file
* @ Thrown in case of I/O error
*/
public RrdDb requestRrdDb(RrdDef rrdDef)
{
lock (sync)
{
String canonicalPath = Util.getCanonicalPath(rrdDef.getPath());
while (rrdMap.ContainsKey(canonicalPath) || rrdMap.Count >= capacity)
{
Thread.Sleep(10);
}
RrdDb rrdDb = new RrdDb(rrdDef);
rrdMap.Add(canonicalPath, new RrdEntry(rrdDb));
return(rrdDb);
}
}
public Header(RrdDb parentDb, DataImporter reader)
: this(parentDb, (RrdDef)null)
{
String version = reader.getVersion();
if (RRDTOOL_VERSION.CompareTo(version) != 0)
{
throw new ArgumentException("Could not unserialize xml version " + version);
}
signature.set(DEFAULT_SIGNATURE);
step.set(reader.getStep());
dsCount.set(reader.getDsCount());
arcCount.set(reader.getArcCount());
lastUpdateTime.set(reader.getLastUpdateTime());
}
private static int getMatchingArchiveIndex(RrdDb rrd1, int arcIndex, RrdDb rrd2)
{
Archive archive = rrd1.getArchive(arcIndex);
ConsolFun consolFun = archive.getConsolFun();
int steps = archive.getSteps();
try
{
return(rrd2.getArcIndex(consolFun, steps));
}
catch (ArgumentException e)
{
return(-1);
}
}
public Header(RrdDb parentDb, DataImporter reader)
: this(parentDb, (RrdDef)null)
{
String version = reader.getVersion();
if (RRDTOOL_VERSION.CompareTo(version) != 0)
{
throw new ArgumentException("Could not unserialize xml version " + version);
}
signature.set(DEFAULT_SIGNATURE);
step.set(reader.getStep());
dsCount.set(reader.getDsCount());
arcCount.set(reader.getArcCount());
lastUpdateTime.set(reader.getLastUpdateTime());
}
public void StoreData(rrd4n.DataAccess.Data.Sample sample)
{
RrdDb rrdDb = null;
try
{
rrdDb = new RrdDb(DataPath + sample.DatabasePath, false);
Sample coreSample = new Sample(rrdDb.getPath(),rrdDb.getDsNames(), sample.Time);
coreSample.setValues(sample.Values);
rrdDb.store(coreSample);
}
finally
{
if (rrdDb != null)
rrdDb.close();
}
}
public Header(RrdDb parentDb, RrdDef rrdDef, String initSignature)
{
this.parentDb = parentDb;
signature = new RrdString(this); // NOT constant, may be cached
step = new RrdLong(this, true); // constant, may be cached
dsCount = new RrdInt(this, true); // constant, may be cached
arcCount = new RrdInt(this, true); // constant, may be cached
lastUpdateTime = new RrdLong(this);
if (rrdDef != null)
{
signature.set(initSignature);
step.set(rrdDef.getStep());
dsCount.set(rrdDef.getDsCount());
arcCount.set(rrdDef.getArcCount());
lastUpdateTime.set(rrdDef.getStartTime());
}
}
public Header(RrdDb parentDb, RrdDef rrdDef, String initSignature)
{
this.parentDb = parentDb;
signature = new RrdString(this); // NOT constant, may be cached
step = new RrdLong(this, true); // constant, may be cached
dsCount = new RrdInt(this, true); // constant, may be cached
arcCount = new RrdInt(this, true); // constant, may be cached
lastUpdateTime = new RrdLong(this);
if (rrdDef != null)
{
signature.set(initSignature);
step.set(rrdDef.getStep());
dsCount.set(rrdDef.getDsCount());
arcCount.set(rrdDef.getArcCount());
lastUpdateTime.set(rrdDef.getStartTime());
}
}
public void StoreData(string databaseName, long timeStamp, double[] newValues)
{
RrdDb database = null;
try
{
database = new RrdDb(databaseName, false);
database.store(timeStamp, newValues);
}
catch (Exception ex)
{
log.Error("Store data exception", ex);
throw;
}
finally
{
if (database != null)
database.close();
}
}
/**
* Requests a RrdDb reference for the given path. The file will be created from
* external data (from XML dump, RRD file or RRDTool's binary RRD file).<p>
* <ul>
* <li>If the file with the path specified is already open,
* the method blocks until the file is closed.
* <li>If the file is not already open and the number of already open RRD files is less than
* {@link #INITIAL_CAPACITY}, a new RRD file will be created and a its RrdDb reference will be returned.
* If the file is not already open and the number of already open RRD files is equal to
* {@link #INITIAL_CAPACITY}, the method blocks until some RRD file is closed.
* </ul>
*
* @param path Path to RRD file which should be created
* @param sourcePath Path to external data which is to be converted to Rrd4n's native RRD file format
* @return Reference to the newly created RRD file
* @ Thrown in case of I/O error
*/
//public RrdDb requestRrdDb(String path, String sourcePath) {
// lock (sync)
// {
// String canonicalPath = Util.getCanonicalPath(path);
// while (rrdMap.containsKey(canonicalPath) || rrdMap.size() >= capacity)
// {
// Thread.Sleep(10);
// }
// RrdDb rrdDb = new RrdDb(canonicalPath, sourcePath);
// rrdMap.put(canonicalPath, new RrdEntry(rrdDb));
// return rrdDb;
// }
//}
/**
* Releases RrdDb reference previously obtained from the pool. When a reference is released, its usage
* count is decremented by one. If usage count drops to zero, the underlying RRD file will be closed.
*
* @param rrdDb RrdDb reference to be returned to the pool
* @ Thrown in case of I/O error
*/
public void release(RrdDb rrdDb)
{
lock (sync)
{
// null pointer should not kill the thread, just ignore it
if (rrdDb == null)
{
return;
}
String canonicalPath = Util.getCanonicalPath(rrdDb.getPath());
if (!rrdMap.ContainsKey(canonicalPath))
{
throw new ApplicationException("Could not release [" + canonicalPath + "], the file was never requested");
}
RrdEntry entry = rrdMap[canonicalPath];
if (--entry.count <= 0)
{
// no longer used
rrdMap.Remove(canonicalPath);
entry.rrdDb.close();
}
}
}
public RemoteFetchData FetchData(string databaseName, long startTimeTick, long endTimeTick, string consolFunctionName, long resolution)
{
RrdDb database = null;
try
{
log.DebugFormat("Read data from {0}", databaseName);
var nameValueCollection = (NameValueCollection)ConfigurationManager.GetSection("rrdbfileserver");
string dataBasePath = nameValueCollection["databasepath"];
log.DebugFormat("Database path:{0}",dataBasePath + databaseName);
database = new RrdDb(dataBasePath + databaseName, true);
FetchRequest fetchRequest = new FetchRequest(null, consolFunctionName, startTimeTick, endTimeTick, resolution);
FetchData data = database.fetchData(fetchRequest);
database.close();
RemoteFetchData remoteData = new RemoteFetchData();
remoteData.Timestamps = data.getTimestamps();
remoteData.Values = data.getValues();
remoteData.ArchiveEndTimeTicks = data.getArcEndTime();
remoteData.ArchiveSteps = data.getArcStep();
remoteData.DatasourceNames = data.getDsNames();
if (debugEnabled)
log.DebugFormat("Read data from {0} to {1}.", rrd4n.Common.Util.getDate(startTimeTick), rrd4n.Common.Util.getDate(endTimeTick));
return remoteData;
}
catch (Exception ex)
{
log.Error("Fetchdata exception", ex);
throw;
}
finally
{
if (database != null)
database.close();
}
}
public FetchRequest(RrdDb parentDb, ConsolFun consolFun, long fetchStart, long fetchEnd, long resolution) {
if (consolFun == null) {
throw new ArgumentException("Null consolidation function in fetch request");
}
if (fetchStart < 0) {
throw new ArgumentException("Invalid start time in fetch request: " + fetchStart);
}
if (fetchEnd < 0) {
throw new ArgumentException("Invalid end time in fetch request: " + fetchEnd);
}
if (fetchStart > fetchEnd) {
throw new ArgumentException("Invalid start/end time in fetch request: " + fetchStart +
" > " + fetchEnd);
}
if (resolution <= 0) {
throw new ArgumentException("Invalid resolution in fetch request: " + resolution);
}
this.parentDb = parentDb;
this.consolFun = consolFun;
this.fetchStart = fetchStart;
this.fetchEnd = fetchEnd;
this.resolution = resolution;
}
public FetchRequest(RrdDb parentDb, ConsolFun consolFun, DateTime fetchStart, DateTime fetchEnd, long resolution)
: this(parentDb, consolFun, Util.getTimestamp(fetchStart), Util.getTimestamp(fetchEnd), resolution)
{
}
static void Main(string[] args)
{
DateTime EPOC = new DateTime(1970, 01, 1);
long startTimeInSeconds = 920804400;
DateTime startTime = EPOC.AddSeconds(startTimeInSeconds);
long endTimeInSeconds = 920808000;
string rrdPath = @"net_test.rrd";
String imgPath = @"net_test.png";
Console.WriteLine("== Starting demo");
RrdDb rrdDb;
FetchRequest request;
FetchData fetchData;
//List<FetchedData> unified = ReadAndUnifyData(@"C:\Development\CS_Project\rrd4n\RrDbTest\el.csv",
// new TimeSpan(0, 10, 0));
bool createDb = true;
if (createDb)
{
rrdDb = BuildRRd(rrdPath, startTime);
Console.WriteLine(rrdDb.dump());
rrdDb.close();
//rrdDb = new RrdDb(rrdPath, false);
int[] values = new int[] {
12345,12357,12363,12363,12363,12373, 12383,12393,12399,12405,12411 ,12415,12420 ,12422 ,12423
};
//rrdtool update net_test.rrd 920804700:12345 920805000:12357 920805300:12363
//rrdtool update net_test.rrd 920805600:12363 920805900:12363 920806200:12373
//rrdtool update net_test.rrd 920806500:12383 920806800:12393 920807100:12399
//rrdtool update net_test.rrd 920807400:12405 920807700:12411 920808000:12415
//rrdtool update net_test.rrd 920808300:12420 920808600:12422 920808900:12423
for (int i = 0; i < 15; i++)
{
UpdateRRd(rrdPath, 920804700 + (i * 300), "speed", values[i]);
}
//rrdDb.close();
// Read back test
rrdDb = new RrdDb(rrdPath, true);
Console.WriteLine("File reopen in read-only mode");
Console.WriteLine("== Last update time was: " + rrdDb.getLastUpdateTime());
Console.WriteLine("== Last info was: " + rrdDb.getInfo());
// fetch data
Console.WriteLine("== Fetching data");
request = rrdDb.createFetchRequest(new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE), startTimeInSeconds, endTimeInSeconds);
Console.WriteLine(request.dump());
fetchData = rrdDb.fetchData(request);
Console.WriteLine("== Data fetched. " + fetchData.getRowCount() + " points obtained");
Console.WriteLine(fetchData.toString());
Console.WriteLine("== Fetch completed");
}
DateTime startDateTime = rrd4n.Common.Util.getDate(920804400);
DateTime endDateTime = rrd4n.Common.Util.getDate(920808000);
GraphParser parser = new GraphParser("net_speed_1.png --start \"" + startDateTime.ToString() + "\" --end \"" + endDateTime.ToString() + "\" --imgformat PNG DEF:myspeed=" + rrdPath + ":speed:AVERAGE LINE2:myspeed#FF0000");
RrdGraphDef gDef_1 = parser.CreateGraphDef();
RrdDbAccessInterface rrdDbAccess = container["databaseaccessor.local"] as RrdDbAccessInterface;
RrdGraph graph_1 = new RrdGraph(gDef_1,rrdDbAccess);
// Create graph
// rrdtool graph net_speed.png --start 920804400 --end 920808000
// DEF:myspeed=net_test.rrd:speed:AVERAGE
// LINE2:myspeed#FF0000
// --font "DEFAULT:0:C:\Windows\fonts\cour.ttf"
Console.WriteLine("Creating graph ");
RrdGraphDef gDef = new RrdGraphDef();
gDef.setWidth(IMG_WIDTH);
gDef.setHeight(IMG_HEIGHT);
gDef.setFilename(imgPath);
gDef.setStartTime(startTimeInSeconds);
gDef.setEndTime(endTimeInSeconds);
gDef.setTitle("Speed");
// gDef.setVerticalLabel("temperature");
gDef.datasource("myspeed", rrdPath, "speed", new rrd4n.Common.ConsolFun(rrd4n.Common.ConsolFun.ConsolFunTypes.AVERAGE));
gDef.line("myspeed", Color.Red, "My sPeedj", 2);
gDef.hrule(0.02, Color.Red, "Maximum 200", 3);
// gDef.print("shade", new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE), "avgShade = %.3f%S\\r");
// gDef.setImageInfo("<img src='%s' width='%d' height = '%d'>");
gDef.setPoolUsed(false);
gDef.setImageFormat("png");
//Console.WriteLine("Rendering graph " + rrd4n.Common.Util.getLapTime());
// create graph finally
RrdGraph graph = new RrdGraph(gDef, rrdDbAccess);
// Create bar chart test graph
//rrdtool graph speed3.png --start 920804400 --end 920808000 --vertical-label km/h DEF:myspeed=test.rrd:speed:AVERAGE "CDEF:kmh=myspeed,3600,*" CDEF:fast=kmh,100,GT,kmh,0,IF CDEF:good=kmh,100,GT,0,kmh,IF HRULE:100#0000FF:"Maximum allowed" AREA:good#00FF00:"Good speed" AREA:fast#FF0000:"Too fast" --font "DEFAULT:0:C:\Windows\fonts\cour.ttf"
imgPath = @"net_test_bar.png";
Console.WriteLine("Creating bar graph ");
gDef = new RrdGraphDef();
gDef.setWidth(IMG_WIDTH);
gDef.setHeight(IMG_HEIGHT);
gDef.setFilename(imgPath);
gDef.setStartTime(startTimeInSeconds);
gDef.setEndTime(endTimeInSeconds + 900);
gDef.setTitle("Speed");
gDef.setVerticalLabel("km/h");
//DEF:myspeed=test.rrd:speed:AVERAGE
gDef.datasource("myspeed", rrdPath, "speed", new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE));
//"CDEF:kmh=myspeed,3600,*"
gDef.datasource("kmh", "myspeed,3600,*");
//CDEF:fast=kmh,100,GT,kmh,0,IF
gDef.datasource("fast", "kmh,100,GT,kmh,0,IF");
//CDEF:good=kmh,100,GT,0,kmh,IF HRULE:100#0000FF:"Maximum allowed" AREA:good#00FF00:"Good speed" AREA:fast#FF0000:"Too fast"
gDef.datasource("good", "kmh,100,GT,0,kmh,IF");
//HRULE:100#0000FF:"Maximum allowed"
gDef.hrule(100, Color.Red, "Maximum allowed", 3);
gDef.hrule(200, Color.Red, "Maximum 200", 3);
// AREA:good#00FF00:"Good speed"
gDef.area("good",Color.Green,"Good speed");
// AREA:fast#FF0000:"Too fast"
gDef.area("fast", Color.Red, "Too fast");
gDef.setPoolUsed(false);
gDef.setImageFormat("png");
//Console.WriteLine("Rendering graph " + Util.getLapTime());
// create graph finally
graph = new RrdGraph(gDef,rrdDbAccess);
//rrdtool graph speed4.png --start 920804400 --end 920808000 --vertical-label km/h DEF:myspeed=test.rrd:speed:AVERAGE CDEF:nonans=myspeed,UN,0,myspeed,IF CDEF:kmh=nonans,3600,* CDEF:fast=kmh,100,GT,100,0,IF CDEF:over=kmh,100,GT,kmh,100,-,0,IF CDEF:good=kmh,100,GT,0,kmh,IF HRULE:100#0000FF:"Maximum allowed" AREA:good#00FF00:"Good speed" AREA:fast#550000:"Too fast" STACK:over#FF0000:"Over speed" --font "DEFAULT:0:C:\Windows\fonts\cour.ttf"
Console.WriteLine("Creating stack graph ");
imgPath = @"net_test_stack.png";
gDef = new RrdGraphDef();
gDef.setWidth(IMG_WIDTH);
gDef.setHeight(IMG_HEIGHT);
gDef.setFilename(imgPath);
gDef.setStartTime(startTimeInSeconds + 300);
gDef.setEndTime(endTimeInSeconds + 1200);
gDef.setTitle("Speed");
//--vertical-label km/h
gDef.setVerticalLabel("km/h");
// DEF:myspeed=test.rrd:speed:AVERAGE
gDef.datasource("myspeed", rrdPath, "speed", new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE));
// CDEF:nonans=myspeed,UN,0,myspeed,IF
gDef.datasource("nonans", "myspeed,UN,0,myspeed,IF");
//CDEF:kmh=nonans,3600,*
gDef.datasource("kmh", "nonans,3600,*");
//CDEF:fast=kmh,100,GT,100,0,IF
gDef.datasource("fast", "kmh,100,GT,100,0,IF");
//CDEF:over=kmh,100,GT,kmh,100,-,0,IF
gDef.datasource("over", "kmh,100,GT,kmh,100,-,0,IF");
//CDEF:good=kmh,100,GT,0,kmh,IF
gDef.datasource("good", "kmh,100,GT,0,kmh,IF");
//HRULE:100#0000FF:"Maximum allowed"
gDef.hrule(100, Color.Blue, "Maximum allowed", 3);
// AREA:good#00FF00:"Good speed"
gDef.area("good", Color.Green, "Good speed");
// AREA:fast#550000:"Too fast"
gDef.area("fast", Color.Black, "Too fast");
//STACK:over#FF0000:"Over speed"
gDef.stack("over", Color.Red, "Over speed");
gDef.setPoolUsed(false);
gDef.setImageFormat("png");
//Console.WriteLine("Rendering graph " + Util.getLapTime());
// create graph finally
graph = new RrdGraph(gDef,rrdDbAccess);
long startMillis = DateTime.Now.Millisecond;
return;
//if (args.Length > 0)
//{
// Console.WriteLine("Setting default backend factory to " + args[0]);
// RrdDb.setDefaultFactory(args[0]);
//}
//long start = START;
//long end = END;
////rrdPath = Util.getRrd4nDemoPath(FILE + ".rrd");
////String xmlPath = Util.getRrd4nDemoPath(FILE + ".xml");
////String rrdRestoredPath = Util.getRrd4nDemoPath(FILE + "_restored.rrd");
////imgPath = Util.getRrd4nDemoPath(FILE + ".png");
////String logPath = Util.getRrd4nDemoPath(FILE + ".log");
////PrintWriter log = new PrintWriter(new BufferedOutputStream(new FileOutputStream(logPath, false)));
//// creation
////Console.WriteLine("== Creating RRD file " + rrdPath);
////RrdDef rrdDef = new RrdDef(rrdPath, start - 1, 300);
////rrdDef.addDatasource("sun", new DsType(DsType.DsTypes.GAUGE), 600, 0, Double.NaN);
////rrdDef.addDatasource("shade", new DsType(DsType.DsTypes.GAUGE), 600, 0, Double.NaN);
////rrdDef.addArchive(new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE), 0.5, 1, 600);
////rrdDef.addArchive(new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE), 0.5, 6, 700);
////rrdDef.addArchive(new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE), 0.5, 24, 775);
////rrdDef.addArchive(new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE), 0.5, 288, 797);
////rrdDef.addArchive(new ConsolFun(ConsolFun.ConsolFunTypes.MAX), 0.5, 1, 600);
////rrdDef.addArchive(new ConsolFun(ConsolFun.ConsolFunTypes.MAX), 0.5, 6, 700);
////rrdDef.addArchive(new ConsolFun(ConsolFun.ConsolFunTypes.MAX), 0.5, 24, 775);
////rrdDef.addArchive(new ConsolFun(ConsolFun.ConsolFunTypes.MAX), 0.5, 288, 797);
////Console.WriteLine(rrdDef.dump());
//////log.Console.WriteLine(rrdDef.dump());
////Console.WriteLine("Estimated file size: " + rrdDef.getEstimatedSize());
////RrdDb rrdDb = new RrdDb(rrdDef);
////Console.WriteLine("== RRD file created.");
////if (rrdDb.getRrdDef().equals(rrdDef))
////{
//// Console.WriteLine("Checking RRD file structure... OK");
////}
////else
////{
//// Console.WriteLine("Invalid RRD file created. This is a serious bug, bailing out");
//// return;
////}
////rrdDb.close();
////Console.WriteLine("== RRD file closed.");
////// update database
////GaugeSource sunSource = new GaugeSource(1200, 20);
////GaugeSource shadeSource = new GaugeSource(300, 10);
////Console.WriteLine("== Simulating one month of RRD file updates with step not larger than " +
//// MAX_STEP + " seconds (* denotes 1000 updates)");
////long t = start;
////int n = 0;
////rrdDb = new RrdDb(rrdPath);
////Sample sample = rrdDb.createSample();
////while (t <= end + 86400L)
////{
//// sample.setTime(t);
//// sample.setValue("sun", sunSource.getValue());
//// sample.setValue("shade", shadeSource.getValue());
//// //log.Console.WriteLine(sample.dump());
//// sample.update();
//// t += (long)(RANDOM.NextDouble() * MAX_STEP) + 1;
//// if (((++n) % 1000) == 0)
//// {
//// Console.Write("*");
//// }
////}
////rrdDb.close();
////Console.WriteLine("");
////Console.WriteLine("== Finished. RRD file updated " + n + " times");
//// test read-only access!
//rrdDb = new RrdDb(rrdPath, true);
//Console.WriteLine("File reopen in read-only mode");
//Console.WriteLine("== Last update time was: " + rrdDb.getLastUpdateTime());
//Console.WriteLine("== Last info was: " + rrdDb.getInfo());
//// fetch data
//Console.WriteLine("== Fetching data for the whole month");
//request = rrdDb.createFetchRequest(new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE), start, end);
//Console.WriteLine(request.dump());
//// log.Console.WriteLine(request.dump());
//fetchData = request.fetchData();
//Console.WriteLine("== Data fetched. " + fetchData.getRowCount() + " points obtained");
//Console.WriteLine(fetchData.toString());
//Console.WriteLine("== Dumping fetched data to XML format");
//// Console.WriteLine(fetchData.exportXml());
//Console.WriteLine("== Fetch completed");
//// dump to XML file
//Console.WriteLine("== Dumping RRD file to XML file " + xmlPath + " (can be restored with RRDTool)");
//// rrdDb.exportXml(xmlPath);
//Console.WriteLine("== Creating RRD file " + rrdRestoredPath + " from XML file " + xmlPath);
//// RrdDb rrdRestoredDb = new RrdDb(rrdRestoredPath, xmlPath);
//// close files
//Console.WriteLine("== Closing both RRD files");
//rrdDb.close();
//Console.WriteLine("== First file closed");
//// rrdRestoredDb.close();
//Console.WriteLine("== Second file closed");
//// create graph
//Console.WriteLine("Creating graph " + Util.getLapTime());
//Console.WriteLine("== Creating graph from the second file");
//gDef = new RrdGraphDef();
//gDef.setWidth(IMG_WIDTH);
//gDef.setHeight(IMG_HEIGHT);
//gDef.setFilename(imgPath);
//gDef.setStartTime(start);
//gDef.setEndTime(end);
//gDef.setTitle("Temperatures in May 2003");
//gDef.setVerticalLabel("temperature");
//gDef.datasource("sun", rrdPath/*rrdRestoredPath*/, "sun", new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE));
//gDef.datasource("shade", rrdPath/*rrdRestoredPath*/, "shade", new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE));
//gDef.datasource("median", "sun,shade,+,2,/");
//gDef.datasource("diff", "sun,shade,-,ABS,-1,*");
//gDef.datasource("sine", "TIME," + start + ",-," + (end - start) +
// ",/,2,PI,*,*,SIN,1000,*");
//gDef.line("sun", Color.Green, "sun temp");
//gDef.line("shade", Color.Blue, "shade temp");
//gDef.line("median", Color.Magenta, "median value");
//gDef.area("diff", Color.Yellow, "difference\\r");
//gDef.line("diff", Color.Red, null);
//gDef.line("sine", Color.Cyan, "sine function demo\\r");
//gDef.hrule(2568, Color.Green, "hrule");
//gDef.vrule((start + 2 * end) / 3, Color.Magenta, "vrule\\r");
//gDef.gprint("sun", new ConsolFun(ConsolFun.ConsolFunTypes.MAX), "maxSun = %.3f%s");
//gDef.gprint("sun", new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE), "avgSun = %.3f%S\\r");
//gDef.gprint("shade", new ConsolFun(ConsolFun.ConsolFunTypes.MAX), "maxShade = %.3f%S");
//gDef.gprint("shade", new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE), "avgShade = %.3f%S\\r");
//gDef.print("sun", new ConsolFun(ConsolFun.ConsolFunTypes.MAX), "maxSun = %.3f%s");
//gDef.print("sun", new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE), "avgSun = %.3f%S\\r");
//gDef.print("shade", new ConsolFun(ConsolFun.ConsolFunTypes.MAX), "maxShade = %.3f%S");
//gDef.print("shade", new ConsolFun(ConsolFun.ConsolFunTypes.AVERAGE), "avgShade = %.3f%S\\r");
//gDef.setImageInfo("<img src='%s' width='%d' height = '%d'>");
//gDef.setPoolUsed(false);
//gDef.setImageFormat("png");
//Console.WriteLine("Rendering graph " + Util.getLapTime());
//// create graph finally
//graph = new RrdGraph(gDef);
//Console.WriteLine(graph.getRrdGraphInfo().dump());
//Console.WriteLine("== Graph created " + Util.getLapTime());
//// locks info
////Console.WriteLine("== Locks info ==");
////Console.WriteLine(RrdSafeFileBackend.getLockInfo());
//// demo ends
////log.close();
//Console.WriteLine("== Demo completed in " +
// ((DateTime.Now.Millisecond - startMillis) / 1000.0) + " sec");
}
public void ImportDataIntoDatabase(string databasePath, string xmlFilePath)
{
RrdDb database = new RrdDb(databasePath,xmlFilePath);
model.ExportDatabase(databasePath, xmlFilePath);
}
public Header(RrdDb parentDb, RrdDef rrdDef)
: this(parentDb, rrdDef, DEFAULT_SIGNATURE)
{
}
public void ImportData(string dataPath, DatabaseData databaseData, TimeSpan expectedTick )
{
if (model.ReadOnly)
throw new ApplicationException("Can't import data. Database readonly");
List<string> columns = new List<string>();
List<FetchedData> unifiedData = ReadAndUnifyData(dataPath, out columns);
string databasePath = databaseData.Definition.Path;
RrdDb database = new RrdDb(databasePath, false);
int[] dsIndexes = new int[columns.Count];
for (int i = 0; i < columns.Count; i++)
{
dsIndexes[i] = database.getDsIndex(columns[i]);
}
string[] dsNames = database.getDsNames();
rrd4n.DataAccess.Data.Sample sample = new rrd4n.DataAccess.Data.Sample(databasePath, dsNames, 0);
foreach (var data in unifiedData)
{
sample.setDateTime(data.TimeStamp);
for (int i = 0; i < data.Values.Count; i++ )
{
sample.setValue(dsIndexes[i], data.Values[i]);
}
try
{
// When using file access abstraction
//dbAccess.StoreData(sample);
//Without abstraction
database.store(sample);
sample.clearValues();
}
catch (ArgumentException)
{
}
model.DatabaseDirty = true;
}
database.close();
OpenDatabase(databasePath);
}
public void CreateDatabase(string databasePath)
{
if (model.EditingDatabaseData == null)
throw new ApplicationException("Not in edit mode");
string oldpath = model.EditingDatabaseData.Definition.Path;
RrdDb srcDatabase = null;
if (!string.IsNullOrEmpty(model.EditingDatabaseData.SourceDatabasePath))
srcDatabase = new RrdDb(model.EditingDatabaseData.SourceDatabasePath);
RrdDef rrdDef = model.EditingDatabaseData.Definition;
rrdDef.setPath(databasePath);
RrdDb dstDatabase = new RrdDb(rrdDef);
if (srcDatabase != null)
srcDatabase.copyStateTo(dstDatabase);
if (srcDatabase != null)
srcDatabase.close();
dstDatabase.close();
model.DatabaseDirty = false;
model.EditingDatabaseData = null;
DatabaseData databaseData = model.AddDatabase(databasePath);
rrdDbForm.SetDatabaseDefinition(databaseData);
TreeForm.RemoveDatabaseDefinition(oldpath);
TreeForm.SetDatabaseDefinition(databaseData);
TreeForm.SetEditMode(false);
}
public RrdEntry(RrdDb rrdDb)
{
this.rrdDb = rrdDb;
this.count = 1;
}
private static int getMatchingDatasourceIndex(RrdDb rrd1, int dsIndex, RrdDb rrd2)
{
String dsName = rrd1.getDatasource(dsIndex).DsName;
try
{
return rrd2.getDsIndex(dsName);
}
catch (ArgumentException e)
{
return -1;
}
}
public DatabaseData AddDatabase(string databasePath)
{
if (databases.ContainsKey(databasePath))
return databases[databasePath];
try
{
RrdDb database = new RrdDb(databasePath);
DatabaseData data = new DatabaseData();
data.Saved = true;
data.Definition = database.getRrdDef();
data.LastUpdated = database.getLastUpdateDateTime();
data.LastValue = database.getLastDatasourceValue(database.getDsNames()[0]);
databases.Add(databasePath, data);
database.close();
return databases[databasePath];
}
catch (Exception ex)
{
Logger.Error("Fail to add database", ex);
throw;
}
}
public RrdEntry(RrdDb rrdDb)
{
this.rrdDb = rrdDb;
this.count = 1;
}
public DatabaseData ReloadDatabase(DatabaseData srcDatabase)
{
if (!databases.ContainsKey(srcDatabase.Definition.Path))
throw new ApplicationException("Database to reload don't exist");
try
{
RrdDb database = new RrdDb(srcDatabase.Definition.Path);
DatabaseData data = new DatabaseData();
data.Saved = true;
data.Definition = database.getRrdDef();
data.LastUpdated = database.getLastUpdateDateTime();
data.LastValue = database.getLastDatasourceValue(database.getDsNames()[0]);
databases[srcDatabase.Definition.Path] = data;
database.close();
return data;
}
catch (Exception ex)
{
Logger.Error("Fail to add database", ex);
throw;
}
}
public DatabaseData SetDatabaseAsEdit(DatabaseData srcDatabaseData)
{
if (!databases.ContainsKey(srcDatabaseData.Definition.Path))
throw new ApplicationException("Database not open in model");
// Make a clone of the source database definition and give it a new name
RrdDb rrdDb = new RrdDb(srcDatabaseData.Definition.Path, true);
databaseDefinition = rrdDb.getRrdDef();
rrdDb.close();
DatabaseData dstDatabaseData = new DatabaseData();
dstDatabaseData.SourceDatabasePath = srcDatabaseData.Definition.Path;
dstDatabaseData.Saved = false;
dstDatabaseData.Definition = databaseDefinition;
dstDatabaseData.Definition.Path = Path.GetFileNameWithoutExtension(databaseDefinition.Path) + "_";
dstDatabaseData.LastUpdated = dstDatabaseData.Definition.getStartDateTime();
dstDatabaseData.LastValue = double.NaN;
DatabaseDirty = true;
EditingDatabaseData = dstDatabaseData;
databases.Add(dstDatabaseData.Definition.Path,dstDatabaseData);
return dstDatabaseData;
}
/**
* Requests a RrdDb reference for the given RRD file definition object.<p>
* <ul>
* <li>If the file with the path specified in the RrdDef object is already open,
* the method blocks until the file is closed.
* <li>If the file is not already open and the number of already open RRD files is less than
* {@link #INITIAL_CAPACITY}, a new RRD file will be created and a its RrdDb reference will be returned.
* If the file is not already open and the number of already open RRD files is equal to
* {@link #INITIAL_CAPACITY}, the method blocks until some RRD file is closed.
* </ul>
*
* @param rrdDef Definition of the RRD file to be created
* @return Reference to the newly created RRD file
* @ Thrown in case of I/O error
*/
public RrdDb requestRrdDb(RrdDef rrdDef)
{
lock (sync)
{
String canonicalPath = Util.getCanonicalPath(rrdDef.getPath());
while (rrdMap.ContainsKey(canonicalPath) || rrdMap.Count >= capacity)
{
Thread.Sleep(10);
}
RrdDb rrdDb = new RrdDb(rrdDef);
rrdMap.Add(canonicalPath, new RrdEntry(rrdDb));
return rrdDb;
}
}
public Header(RrdDb parentDb, RrdDef rrdDef)
: this(parentDb, rrdDef, DEFAULT_SIGNATURE)
{
}
public FetchData GetArchiveData(DatabaseData databaseData, string dataSourceName, ArcDef archiveDefinition)
{
RrdDb database = null;
try
{
database = new RrdDb(databaseData.Definition.getPath(), true);
int datasourceIndex = database.getDsIndex(dataSourceName);
Archive archive = database.getArchive(new ConsolFun(archiveDefinition.getConsolFun().Name), archiveDefinition.Steps);
Robin robin = archive.getRobin(datasourceIndex);
double[] values = robin.getValues();
DateTime archiveStartTime = archive.getStartDateTime();
TimeSpan tick = new TimeSpan(archive.getArcStep() * TimeSpan.TicksPerSecond);
FetchData fetchedData = new FetchData(archive.getArcStep(), archive.getEndTime(), new string[] { dataSourceName });
long[] timestamps = new long[archive.getRows()];
long offset = archive.getStartTime();
for (var i = 0; i < archive.getRows(); i++)
{
timestamps[i] = offset;
offset += archive.getArcStep();
}
fetchedData.setTimestamps(timestamps);
double[][] value = new double[1][];
value[0] = values;
fetchedData.setValues(value);
return fetchedData;
}
finally
{
if (database != null)
database.close();
}
}
public void UpdateDataSource(DatabaseData srcDatabase, DsDef updatedDsDef, DsDef originalDsDef)
{
RrdDb database = null;
try
{
database = new RrdDb(srcDatabase.Definition.Path, false);
Datasource datasource = database.getDatasource(originalDsDef.getDsName());
if (datasource == null)
throw new ArgumentException(updatedDsDef.getDsName() + " datasource don't exist");
if (datasource.DsName != updatedDsDef.DsName)
datasource.setDsName(updatedDsDef.getDsName());
datasource.setDsType(updatedDsDef.getDsType());
datasource.setHeartbeat(updatedDsDef.getHeartbeat());
datasource.setMaxValue(updatedDsDef.getMaxValue(), true);
datasource.setMinValue(updatedDsDef.getMinValue(), true);
}
catch (FileNotFoundException ex)
{
Logger.Error("Update datasource failed", ex);
throw new ApplicationException("Can't update datasource until database saved!", ex);
}
finally
{
if (database != null)
database.close();
}
}
/**
* Requests a RrdDb reference for the given path. The file will be created from
* external data (from XML dump, RRD file or RRDTool's binary RRD file).<p>
* <ul>
* <li>If the file with the path specified is already open,
* the method blocks until the file is closed.
* <li>If the file is not already open and the number of already open RRD files is less than
* {@link #INITIAL_CAPACITY}, a new RRD file will be created and a its RrdDb reference will be returned.
* If the file is not already open and the number of already open RRD files is equal to
* {@link #INITIAL_CAPACITY}, the method blocks until some RRD file is closed.
* </ul>
*
* @param path Path to RRD file which should be created
* @param sourcePath Path to external data which is to be converted to Rrd4n's native RRD file format
* @return Reference to the newly created RRD file
* @ Thrown in case of I/O error
*/
//public RrdDb requestRrdDb(String path, String sourcePath) {
// lock (sync)
// {
// String canonicalPath = Util.getCanonicalPath(path);
// while (rrdMap.containsKey(canonicalPath) || rrdMap.size() >= capacity)
// {
// Thread.Sleep(10);
// }
// RrdDb rrdDb = new RrdDb(canonicalPath, sourcePath);
// rrdMap.put(canonicalPath, new RrdEntry(rrdDb));
// return rrdDb;
// }
//}
/**
* Releases RrdDb reference previously obtained from the pool. When a reference is released, its usage
* count is decremented by one. If usage count drops to zero, the underlying RRD file will be closed.
*
* @param rrdDb RrdDb reference to be returned to the pool
* @ Thrown in case of I/O error
*/
public void release(RrdDb rrdDb)
{
lock (sync)
{
// null pointer should not kill the thread, just ignore it
if (rrdDb == null)
{
return;
}
String canonicalPath = Util.getCanonicalPath(rrdDb.getPath());
if (!rrdMap.ContainsKey(canonicalPath))
{
throw new ApplicationException("Could not release [" + canonicalPath + "], the file was never requested");
}
RrdEntry entry = rrdMap[canonicalPath];
if (--entry.count <= 0)
{
// no longer used
rrdMap.Remove(canonicalPath);
entry.rrdDb.close();
}
}
}
public void ExportDatabase(string databasePath, string xmlFilePath)
{
RrdDb exportDatabase = new RrdDb(databasePath, true);
exportDatabase.dumpXml(xmlFilePath);
}
/**
* Requests a RrdDb reference for the given RRD file path.<p>
* <ul>
* <li>If the file is already open, previously returned RrdDb reference will be returned. Its usage count
* will be incremented by one.
* <li>If the file is not already open and the number of already open RRD files is less than
* {@link #INITIAL_CAPACITY}, the file will be open and a new RrdDb reference will be returned.
* If the file is not already open and the number of already open RRD files is equal to
* {@link #INITIAL_CAPACITY}, the method blocks until some RRD file is closed.
* </ul>
*
* @param path Path to existing RRD file
* @return reference for the give RRD file
* @ Thrown in case of I/O error
*/
public RrdDb requestRrdDb(String path)
{
lock (sync)
{
String canonicalPath = Util.getCanonicalPath(path);
while (!rrdMap.ContainsKey(canonicalPath) && rrdMap.Count >= capacity)
{
Thread.Sleep(10);
}
if (rrdMap.ContainsKey(canonicalPath))
{
// already open, just increase usage count
RrdEntry entry = rrdMap[canonicalPath];
entry.count++;
return entry.rrdDb;
}
else
{
// not open, open it now and add to the map
RrdDb rrdDb = new RrdDb(canonicalPath);
rrdMap.Add(canonicalPath, new RrdEntry(rrdDb));
return rrdDb;
}
}
}
private static int getMatchingArchiveIndex(RrdDb rrd1, int arcIndex, RrdDb rrd2)
{
Archive archive = rrd1.getArchive(arcIndex);
ConsolFun consolFun = archive.getConsolFun();
int steps = archive.getSteps();
try
{
return rrd2.getArcIndex(consolFun, steps);
}
catch (ArgumentException e)
{
return -1;
}
}
public Datasource(RrdDb parentDb, DataImporter reader, int dsIndex)
: this(parentDb, null)
{
dsName.set(reader.getDsName(dsIndex));
dsType = new DsType(reader.getDsType(dsIndex));
dsTypeName.set(dsType.Name);
heartbeat.set(reader.getHeartbeat(dsIndex));
minValue.set(reader.getMinValue(dsIndex));
maxValue.set(reader.getMaxValue(dsIndex));
lastValue.set(reader.getLastValue(dsIndex));
accumValue.set(reader.getAccumValue(dsIndex));
nanSeconds.set(reader.getNanSeconds(dsIndex));
}
public FetchRequest(RrdDb parentDb, ConsolFun consolFun, DateTime fetchStart, DateTime fetchEnd, long resolution)
: this(parentDb,consolFun,Util.getTimestamp(fetchStart),Util.getTimestamp(fetchEnd),resolution)
{
}
