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log.go
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log.go
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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package tsweb
import (
"encoding/json"
"strings"
"time"
)
// AccessLogRecord is a record of one HTTP request served.
type AccessLogRecord struct {
// Timestamp at which request processing started.
When time.Time `json:"when"`
// Time it took to finish processing the request. It does not
// include the entire lifetime of the underlying connection in
// cases like connection hijacking, only the lifetime of the HTTP
// request handler.
Seconds float64 `json:"duration,omitempty"`
// The client's ip:port.
RemoteAddr string `json:"remote_addr,omitempty"`
// The HTTP protocol version, usually "HTTP/1.1 or HTTP/2".
Proto string `json:"proto,omitempty"`
// Whether the request was received over TLS.
TLS bool `json:"tls,omitempty"`
// The target hostname in the request.
Host string `json:"host,omitempty"`
// The HTTP method invoked.
Method string `json:"method,omitempty"`
// The unescaped request URI, including query parameters.
RequestURI string `json:"request_uri,omitempty"`
// The client's user-agent
UserAgent string `json:"user_agent,omitempty"`
// Where the client was before making this request.
Referer string `json:"referer,omitempty"`
// The HTTP response code sent to the client.
Code int `json:"code,omitempty"`
// Number of bytes sent in response body to client. If the request
// was hijacked, only includes bytes sent up to the point of
// hijacking.
Bytes int `json:"bytes,omitempty"`
// Error encountered during request processing.
Err string `json:"err,omitempty"`
// RequestID is a unique ID for this request. If the *http.Request context
// carries this value via SetRequestID, then it will be displayed to the
// client immediately after the error text, as well as logged here. This
// makes it easier to correlate support requests with server logs. If a
// RequestID generator is not configured, RequestID will be empty.
RequestID RequestID `json:"request_id,omitempty"`
}
// String returns m as a JSON string.
func (m AccessLogRecord) String() string {
if m.When.IsZero() {
m.When = time.Now()
}
var buf strings.Builder
json.NewEncoder(&buf).Encode(m)
return strings.TrimRight(buf.String(), "\n")
}