Class RpczZPageHandler

java.lang.Object

io.opencensus.contrib.zpages.ZPageHandler

io.opencensus.contrib.zpages.RpczZPageHandler

final class RpczZPageHandler
extends ZPageHandler

HTML page formatter for gRPC cumulative and interval stats.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	RpczZPageHandler.StatsSnapshot

Field Summary

Fields

Modifier and Type	Field	Description
private static final double	BYTES_PER_KB
private static final com.google.common.collect.ImmutableList<View>	CLIENT_RPC_CUMULATIVE_VIEWS
private static final com.google.common.collect.ImmutableList<View>	CLIENT_RPC_HOUR_VIEWS
private static final com.google.common.collect.ImmutableList<View>	CLIENT_RPC_MINUTE_VIEWS
private static final double	NANOS_PER_SECOND
private static final String	RECEIVED
private static final com.google.common.collect.ImmutableList<String>	RPC_STATS_TYPES
private static final String	RPCZ_URL
private static final double	SECONDS_PER_HOUR
private static final double	SECONDS_PER_MINUTE
private static final String	SENT
private static final com.google.common.collect.ImmutableList<View>	SERVER_RPC_CUMULATIVE_VIEWS
private static final com.google.common.collect.ImmutableList<View>	SERVER_RPC_HOUR_VIEWS
private static final com.google.common.collect.ImmutableList<View>	SERVER_RPC_MINUTE_VIEWS
private final ViewManager	viewManager

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RpczZPageHandler(ViewManager viewManager)

Method Summary

Modifier and Type	Method	Description
(package private) static RpczZPageHandler	create(ViewManager viewManager)
void	emitHtml(Map<String,String> queryMap, OutputStream outputStream)	Emits the HTML generated page to the outputStream.
private void	emitHtmlBody(PrintWriter out)
private static void	emitStyle(PrintWriter out)
private void	emitSummaryTable(PrintWriter out, Formatter formatter, boolean isReceived)
private static void	emitSummaryTableHeader(PrintWriter out, Formatter formatter)
private static void	emitSummaryTableRows(PrintWriter out, Formatter formatter, RpczZPageHandler.StatsSnapshot snapshot, String method)
private static double	getDurationInSecs(ViewData.AggregationWindowData.CumulativeData cumulativeData)
private static void	getStats(RpczZPageHandler.StatsSnapshot snapshot, AggregationData data, View view, ViewData.AggregationWindowData windowData)
private Map<String, RpczZPageHandler.StatsSnapshot>	getStatsSnapshots(boolean isReceived)
private void	getStatsSnapshots(Map<String, RpczZPageHandler.StatsSnapshot> map, List<View> views)
String	getUrlPath()	Returns the URL path that should be used to register this page.
private static double	toDoubleSeconds(Duration duration)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

viewManager

private final ViewManager viewManager

RPCZ_URL

private static final String RPCZ_URL

See Also:

• Constant Field Values

SENT

private static final String SENT

See Also:

• Constant Field Values

RECEIVED

private static final String RECEIVED

See Also:

• Constant Field Values

SECONDS_PER_MINUTE

private static final double SECONDS_PER_MINUTE

See Also:

• Constant Field Values

SECONDS_PER_HOUR

private static final double SECONDS_PER_HOUR

See Also:

• Constant Field Values

NANOS_PER_SECOND

private static final double NANOS_PER_SECOND

See Also:

• Constant Field Values

BYTES_PER_KB

private static final double BYTES_PER_KB

See Also:

• Constant Field Values

RPC_STATS_TYPES

private static final com.google.common.collect.ImmutableList<String> RPC_STATS_TYPES

CLIENT_RPC_CUMULATIVE_VIEWS

private static final com.google.common.collect.ImmutableList<View> CLIENT_RPC_CUMULATIVE_VIEWS

SERVER_RPC_CUMULATIVE_VIEWS

private static final com.google.common.collect.ImmutableList<View> SERVER_RPC_CUMULATIVE_VIEWS

CLIENT_RPC_MINUTE_VIEWS

private static final com.google.common.collect.ImmutableList<View> CLIENT_RPC_MINUTE_VIEWS

SERVER_RPC_MINUTE_VIEWS

private static final com.google.common.collect.ImmutableList<View> SERVER_RPC_MINUTE_VIEWS

CLIENT_RPC_HOUR_VIEWS

private static final com.google.common.collect.ImmutableList<View> CLIENT_RPC_HOUR_VIEWS

SERVER_RPC_HOUR_VIEWS

private static final com.google.common.collect.ImmutableList<View> SERVER_RPC_HOUR_VIEWS

Constructor Details

RpczZPageHandler

private RpczZPageHandler(ViewManager viewManager)

Method Details

getUrlPath

public String getUrlPath()

Description copied from class: ZPageHandler

Returns the URL path that should be used to register this page.

Specified by:

getUrlPath in class ZPageHandler

Returns:

the URL path that should be used to register this page.

emitStyle

private static void emitStyle(PrintWriter out)

emitHtml

public void emitHtml(Map<String,String> queryMap,
 OutputStream outputStream)

Description copied from class: ZPageHandler

Emits the HTML generated page to the outputStream.

Specified by:

emitHtml in class ZPageHandler

Parameters:

queryMap - the query components map.

outputStream - the output OutputStream.

emitHtmlBody

private void emitHtmlBody(PrintWriter out)

emitSummaryTable

private void emitSummaryTable(PrintWriter out,
 Formatter formatter,
 boolean isReceived)

emitSummaryTableHeader

private static void emitSummaryTableHeader(PrintWriter out,
 Formatter formatter)

emitSummaryTableRows

private static void emitSummaryTableRows(PrintWriter out,
 Formatter formatter,
 RpczZPageHandler.StatsSnapshot snapshot,
 String method)

getStatsSnapshots

private Map<String, RpczZPageHandler.StatsSnapshot> getStatsSnapshots(boolean isReceived)

getStatsSnapshots

private void getStatsSnapshots(Map<String, RpczZPageHandler.StatsSnapshot> map,
 List<View> views)

getStats

private static void getStats(RpczZPageHandler.StatsSnapshot snapshot,
 AggregationData data,
 View view,
 ViewData.AggregationWindowData windowData)

getDurationInSecs

private static double getDurationInSecs(ViewData.AggregationWindowData.CumulativeData cumulativeData)

toDoubleSeconds

private static double toDoubleSeconds(Duration duration)

create

static RpczZPageHandler create(ViewManager viewManager)