106 lines
3.3 KiB
Go
106 lines
3.3 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package routing
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import (
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"net/http"
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"time"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/log"
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)
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// NewLoggerHandler is a handler that will log routing to the router log taking account of
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// routing information
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func NewLoggerHandler() func(next http.Handler) http.Handler {
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manager := requestRecordsManager{
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requestRecords: map[uint64]*requestRecord{},
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}
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manager.startSlowQueryDetector(3 * time.Second)
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logger := log.GetLogger("router")
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manager.print = logPrinter(logger)
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return manager.handler
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}
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var (
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startMessage = log.NewColoredValueBytes("started ", log.DEBUG.Color())
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slowMessage = log.NewColoredValueBytes("slow ", log.WARN.Color())
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pollingMessage = log.NewColoredValueBytes("polling ", log.INFO.Color())
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failedMessage = log.NewColoredValueBytes("failed ", log.WARN.Color())
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completedMessage = log.NewColoredValueBytes("completed", log.INFO.Color())
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unknownHandlerMessage = log.NewColoredValueBytes("completed", log.ERROR.Color())
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)
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func logPrinter(logger log.Logger) func(trigger Event, record *requestRecord) {
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return func(trigger Event, record *requestRecord) {
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if trigger == StartEvent {
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if !logger.IsTrace() {
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// for performance, if the "started" message shouldn't be logged, we just return as early as possible
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// developers can set the router log level to TRACE to get the "started" request messages.
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return
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}
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// when a request starts, we have no information about the handler function information, we only have the request path
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req := record.request
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logger.Trace("router: %s %v %s for %s", startMessage, log.ColoredMethod(req.Method), req.RequestURI, req.RemoteAddr)
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return
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}
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req := record.request
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// Get data from the record
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record.lock.Lock()
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handlerFuncInfo := record.funcInfo.String()
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isLongPolling := record.isLongPolling
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isUnknownHandler := record.funcInfo == nil
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panicErr := record.panicError
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record.lock.Unlock()
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if trigger == StillExecutingEvent {
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message := slowMessage
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level := log.WARN
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if isLongPolling {
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level = log.INFO
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message = pollingMessage
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}
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_ = logger.Log(0, level, "router: %s %v %s for %s, elapsed %v @ %s",
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message,
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log.ColoredMethod(req.Method), req.RequestURI, req.RemoteAddr,
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log.ColoredTime(time.Since(record.startTime)),
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handlerFuncInfo,
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)
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return
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}
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if panicErr != nil {
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_ = logger.Log(0, log.WARN, "router: %s %v %s for %s, panic in %v @ %s, err=%v",
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failedMessage,
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log.ColoredMethod(req.Method), req.RequestURI, req.RemoteAddr,
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log.ColoredTime(time.Since(record.startTime)),
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handlerFuncInfo,
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panicErr,
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)
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return
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}
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var status int
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if v, ok := record.responseWriter.(context.ResponseWriter); ok {
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status = v.Status()
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}
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level := log.INFO
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message := completedMessage
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if isUnknownHandler {
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level = log.ERROR
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message = unknownHandlerMessage
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}
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_ = logger.Log(0, level, "router: %s %v %s for %s, %v %v in %v @ %s",
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message,
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log.ColoredMethod(req.Method), req.RequestURI, req.RemoteAddr,
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log.ColoredStatus(status), log.ColoredStatus(status, http.StatusText(status)), log.ColoredTime(time.Since(record.startTime)),
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handlerFuncInfo,
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)
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}
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}
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