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

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Last updated on 2022-01-31