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// Copyright (C) 2019-2024 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package logging
import (
"github.com/algorand/go-deadlock"
"github.com/sirupsen/logrus"
"sync"
)
type telemetryHook interface {
Fire(entry *logrus.Entry) error
Levels() []logrus.Level
Close()
Flush()
UpdateHookURI(uri string) (err error)
appendEntry(entry *logrus.Entry) bool
waitForEventAndReady() bool
}
type telemetryState struct {
history *logBuffer
hook telemetryHook
telemetryConfig TelemetryConfig
}
// TelemetryConfig represents the configuration of Telemetry logging
type TelemetryConfig struct {
Enable bool
SendToLog bool
URI string
Name string
GUID string
MinLogLevel logrus.Level `json:"-"` // these are the logrus.Level, but we can't use it directly since on logrus version 1.4.2 they added
ReportHistoryLevel logrus.Level `json:"-"` // text marshalers which breaks our backward compatibility.
FilePath string // Path to file on disk, if any
ChainID string `json:"-"`
SessionGUID string `json:"-"`
Version string `json:"-"`
UserName string
Password string
}
// MarshalingTelemetryConfig is used for json serialization of the TelemetryConfig
// so that we could replace the MinLogLevel/ReportHistoryLevel with our own types.
type MarshalingTelemetryConfig struct {
TelemetryConfig
MinLogLevel uint32
ReportHistoryLevel uint32
}
type asyncTelemetryHook struct {
deadlock.Mutex
wrappedHook logrus.Hook
wg sync.WaitGroup
pending []*logrus.Entry
entries chan *logrus.Entry
quit chan struct{}
maxQueueDepth int
levels []logrus.Level
ready bool
urlUpdate chan bool
}
// A dummy noop type to get rid of checks like telemetry.hook != nil
type dummyHook struct{}
type hookFactory func(cfg TelemetryConfig) (logrus.Hook, error)
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