WINHTTP_REQUEST_TIME_ENTRY enumeration (winhttp.h)

The WINHTTP_REQUEST_TIME_ENTRY enumeration lists the available types of request timing information.

Syntax

typedef enum _WINHTTP_REQUEST_TIME_ENTRY {
  WinHttpProxyDetectionStart = 0,
  WinHttpProxyDetectionEnd,
  WinHttpConnectionAcquireStart,
  WinHttpConnectionAcquireWaitEnd,
  WinHttpConnectionAcquireEnd,
  WinHttpNameResolutionStart,
  WinHttpNameResolutionEnd,
  WinHttpConnectionEstablishmentStart,
  WinHttpConnectionEstablishmentEnd,
  WinHttpTlsHandshakeClientLeg1Start,
  WinHttpTlsHandshakeClientLeg1End,
  WinHttpTlsHandshakeClientLeg2Start,
  WinHttpTlsHandshakeClientLeg2End,
  WinHttpTlsHandshakeClientLeg3Start,
  WinHttpTlsHandshakeClientLeg3End,
  WinHttpStreamWaitStart,
  WinHttpStreamWaitEnd,
  WinHttpSendRequestStart,
  WinHttpSendRequestHeadersCompressionStart,
  WinHttpSendRequestHeadersCompressionEnd,
  WinHttpSendRequestHeadersEnd,
  WinHttpSendRequestEnd,
  WinHttpReceiveResponseStart,
  WinHttpReceiveResponseHeadersDecompressionStart,
  WinHttpReceiveResponseHeadersDecompressionEnd,
  WinHttpReceiveResponseHeadersEnd,
  WinHttpReceiveResponseBodyDecompressionDelta,
  WinHttpReceiveResponseEnd,
  WinHttpProxyTunnelStart,
  WinHttpProxyTunnelEnd,
  WinHttpProxyTlsHandshakeClientLeg1Start,
  WinHttpProxyTlsHandshakeClientLeg1End,
  WinHttpProxyTlsHandshakeClientLeg2Start,
  WinHttpProxyTlsHandshakeClientLeg2End,
  WinHttpProxyTlsHandshakeClientLeg3Start,
  WinHttpProxyTlsHandshakeClientLeg3End,
  WinHttpRequestTimeLast,
  WinHttpRequestTimeMax = 64
} WINHTTP_REQUEST_TIME_ENTRY;

Constants

WinHttpProxyDetectionStart Value: 0 Start of proxy detection.
WinHttpProxyDetectionEnd End of proxy detection.
WinHttpConnectionAcquireStart Start of connection acquisition.
WinHttpConnectionAcquireWaitEnd End waiting for an available connection.
WinHttpConnectionAcquireEnd End of connection acquisition.
WinHttpNameResolutionStart Start of name resolution.
WinHttpNameResolutionEnd End of name resolution.
WinHttpConnectionEstablishmentStart Start of connection establishment.
WinHttpConnectionEstablishmentEnd End of connection establishment.
WinHttpTlsHandshakeClientLeg1Start Start of the first leg of the TLS handshake.
WinHttpTlsHandshakeClientLeg1End End of the first leg of the TLS handshake.
WinHttpTlsHandshakeClientLeg2Start Start of the second leg of the TLS handshake.
WinHttpTlsHandshakeClientLeg2End End of the second leg of the TLS handshake.
WinHttpTlsHandshakeClientLeg3Start Start of the third leg of the TLS handshake.
WinHttpTlsHandshakeClientLeg3End End of the third leg of the TLS handshake.
WinHttpStreamWaitStart Start waiting for an available stream.
WinHttpStreamWaitEnd End waiting for an available stream.
WinHttpSendRequestStart Start sending a request.
WinHttpSendRequestHeadersCompressionStart Start of request header compression.
WinHttpSendRequestHeadersCompressionEnd End of request header compression.
WinHttpSendRequestHeadersEnd End sending request headers.
WinHttpSendRequestEnd End sending a request.
WinHttpReceiveResponseStart Start receiving a response.
WinHttpReceiveResponseHeadersDecompressionStart Start of response header decompression.
WinHttpReceiveResponseHeadersDecompressionEnd End of response header decompression.
WinHttpReceiveResponseHeadersEnd End receiving response headers.
WinHttpReceiveResponseBodyDecompressionDelta Delta between start and end times for response body decompression.
WinHttpReceiveResponseEnd End receiving a response.
WinHttpProxyTunnelStart Start establishing a proxy tunnel.
WinHttpProxyTunnelEnd End establishing a proxy tunnel.
WinHttpProxyTlsHandshakeClientLeg1Start Start of the first leg of the proxy TLS handshake.
WinHttpProxyTlsHandshakeClientLeg1End End of the first leg of the proxy TLS handshake.
WinHttpProxyTlsHandshakeClientLeg2Start Start of the second leg of the proxy TLS handshake.
WinHttpProxyTlsHandshakeClientLeg2End End of the second leg of the proxy TLS handshake.
WinHttpProxyTlsHandshakeClientLeg3Start Start of the third leg of the proxy TLS handshake.
WinHttpProxyTlsHandshakeClientLeg3End End of the third leg of the proxy TLS handshake.
WinHttpRequestTimeLast Marker for the end of the list of available timings.
WinHttpRequestTimeMax Value: 64 The maximum number of timings available.

Remarks

This structure is used with WinHttpQueryOption to retrieve timing information for a request by specifying the WINHTTP_OPTION_REQUEST_TIMES flag.

Requirements

Requirement	Value
Minimum supported client	Windows 10, version 1903 [desktop apps only]
Minimum supported server	Windows Server 2019 [desktop apps only]
Header	winhttp.h

See also

WinHttpQueryOption

WINHTTP_REQUEST_TIMES