mirror of
https://github.com/octoleo/syncthing.git
synced 2024-11-09 14:50:56 +00:00
207 lines
10 KiB
Go
207 lines
10 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
// You can obtain one at https://mozilla.org/MPL/2.0/.
|
|
|
|
package config
|
|
|
|
import (
|
|
"fmt"
|
|
"runtime"
|
|
|
|
"github.com/syncthing/syncthing/lib/protocol"
|
|
"github.com/syncthing/syncthing/lib/rand"
|
|
"github.com/syncthing/syncthing/lib/util"
|
|
)
|
|
|
|
type OptionsConfiguration struct {
|
|
RawListenAddresses []string `xml:"listenAddress" json:"listenAddresses" default:"default"`
|
|
RawGlobalAnnServers []string `xml:"globalAnnounceServer" json:"globalAnnounceServers" default:"default"`
|
|
GlobalAnnEnabled bool `xml:"globalAnnounceEnabled" json:"globalAnnounceEnabled" default:"true"`
|
|
LocalAnnEnabled bool `xml:"localAnnounceEnabled" json:"localAnnounceEnabled" default:"true"`
|
|
LocalAnnPort int `xml:"localAnnouncePort" json:"localAnnouncePort" default:"21027"`
|
|
LocalAnnMCAddr string `xml:"localAnnounceMCAddr" json:"localAnnounceMCAddr" default:"[ff12::8384]:21027"`
|
|
MaxSendKbps int `xml:"maxSendKbps" json:"maxSendKbps"`
|
|
MaxRecvKbps int `xml:"maxRecvKbps" json:"maxRecvKbps"`
|
|
ReconnectIntervalS int `xml:"reconnectionIntervalS" json:"reconnectionIntervalS" default:"60"`
|
|
RelaysEnabled bool `xml:"relaysEnabled" json:"relaysEnabled" default:"true"`
|
|
RelayReconnectIntervalM int `xml:"relayReconnectIntervalM" json:"relayReconnectIntervalM" default:"10"`
|
|
StartBrowser bool `xml:"startBrowser" json:"startBrowser" default:"true"`
|
|
NATEnabled bool `xml:"natEnabled" json:"natEnabled" default:"true"`
|
|
NATLeaseM int `xml:"natLeaseMinutes" json:"natLeaseMinutes" default:"60"`
|
|
NATRenewalM int `xml:"natRenewalMinutes" json:"natRenewalMinutes" default:"30"`
|
|
NATTimeoutS int `xml:"natTimeoutSeconds" json:"natTimeoutSeconds" default:"10"`
|
|
URAccepted int `xml:"urAccepted" json:"urAccepted"` // Accepted usage reporting version; 0 for off (undecided), -1 for off (permanently)
|
|
URSeen int `xml:"urSeen" json:"urSeen"` // Report which the user has been prompted for.
|
|
URUniqueID string `xml:"urUniqueID" json:"urUniqueId"` // Unique ID for reporting purposes, regenerated when UR is turned on.
|
|
URURL string `xml:"urURL" json:"urURL" default:"https://data.syncthing.net/newdata"` // usage reporting URL
|
|
URPostInsecurely bool `xml:"urPostInsecurely" json:"urPostInsecurely" default:"false"` // For testing
|
|
URInitialDelayS int `xml:"urInitialDelayS" json:"urInitialDelayS" default:"1800"`
|
|
RestartOnWakeup bool `xml:"restartOnWakeup" json:"restartOnWakeup" default:"true"`
|
|
AutoUpgradeIntervalH int `xml:"autoUpgradeIntervalH" json:"autoUpgradeIntervalH" default:"12"` // 0 for off
|
|
UpgradeToPreReleases bool `xml:"upgradeToPreReleases" json:"upgradeToPreReleases"` // when auto upgrades are enabled
|
|
KeepTemporariesH int `xml:"keepTemporariesH" json:"keepTemporariesH" default:"24"` // 0 for off
|
|
CacheIgnoredFiles bool `xml:"cacheIgnoredFiles" json:"cacheIgnoredFiles" default:"false"`
|
|
ProgressUpdateIntervalS int `xml:"progressUpdateIntervalS" json:"progressUpdateIntervalS" default:"5"`
|
|
LimitBandwidthInLan bool `xml:"limitBandwidthInLan" json:"limitBandwidthInLan" default:"false"`
|
|
MinHomeDiskFree Size `xml:"minHomeDiskFree" json:"minHomeDiskFree" default:"1 %"`
|
|
ReleasesURL string `xml:"releasesURL" json:"releasesURL" default:"https://upgrades.syncthing.net/meta.json"`
|
|
AlwaysLocalNets []string `xml:"alwaysLocalNet" json:"alwaysLocalNets"`
|
|
OverwriteRemoteDevNames bool `xml:"overwriteRemoteDeviceNamesOnConnect" json:"overwriteRemoteDeviceNamesOnConnect" default:"false"`
|
|
TempIndexMinBlocks int `xml:"tempIndexMinBlocks" json:"tempIndexMinBlocks" default:"10"`
|
|
UnackedNotificationIDs []string `xml:"unackedNotificationID" json:"unackedNotificationIDs"`
|
|
TrafficClass int `xml:"trafficClass" json:"trafficClass"`
|
|
DefaultFolderPath string `xml:"defaultFolderPath" json:"defaultFolderPath" default:"~"`
|
|
SetLowPriority bool `xml:"setLowPriority" json:"setLowPriority" default:"true"`
|
|
RawMaxFolderConcurrency int `xml:"maxFolderConcurrency" json:"maxFolderConcurrency"`
|
|
CRURL string `xml:"crashReportingURL" json:"crURL" default:"https://crash.syncthing.net/newcrash"` // crash reporting URL
|
|
CREnabled bool `xml:"crashReportingEnabled" json:"crashReportingEnabled" default:"true"` // Read in the monitor, but it's read before every attempt to report stuff, so does not require a restart.
|
|
StunKeepaliveStartS int `xml:"stunKeepaliveStartS" json:"stunKeepaliveStartS" default:"180"` // 0 for off
|
|
StunKeepaliveMinS int `xml:"stunKeepaliveMinS" json:"stunKeepaliveMinS" default:"20"` // 0 for off
|
|
RawStunServers []string `xml:"stunServer" json:"stunServers" default:"default"`
|
|
DatabaseTuning Tuning `xml:"databaseTuning" json:"databaseTuning" restart:"true"` // Can't be adjusted once the database has been opened
|
|
RawMaxCIRequestKiB int `xml:"maxConcurrentIncomingRequestKiB" json:"maxConcurrentIncomingRequestKiB"`
|
|
|
|
DeprecatedUPnPEnabled bool `xml:"upnpEnabled,omitempty" json:"-"`
|
|
DeprecatedUPnPLeaseM int `xml:"upnpLeaseMinutes,omitempty" json:"-"`
|
|
DeprecatedUPnPRenewalM int `xml:"upnpRenewalMinutes,omitempty" json:"-"`
|
|
DeprecatedUPnPTimeoutS int `xml:"upnpTimeoutSeconds,omitempty" json:"-"`
|
|
DeprecatedRelayServers []string `xml:"relayServer,omitempty" json:"-"`
|
|
DeprecatedMinHomeDiskFreePct float64 `xml:"minHomeDiskFreePct,omitempty" json:"-"`
|
|
DeprecatedMaxConcurrentScans int `xml:"maxConcurrentScans,omitempty" json:"-"`
|
|
}
|
|
|
|
func (opts OptionsConfiguration) Copy() OptionsConfiguration {
|
|
optsCopy := opts
|
|
optsCopy.RawListenAddresses = make([]string, len(opts.RawListenAddresses))
|
|
copy(optsCopy.RawListenAddresses, opts.RawListenAddresses)
|
|
optsCopy.RawGlobalAnnServers = make([]string, len(opts.RawGlobalAnnServers))
|
|
copy(optsCopy.RawGlobalAnnServers, opts.RawGlobalAnnServers)
|
|
optsCopy.AlwaysLocalNets = make([]string, len(opts.AlwaysLocalNets))
|
|
copy(optsCopy.AlwaysLocalNets, opts.AlwaysLocalNets)
|
|
optsCopy.UnackedNotificationIDs = make([]string, len(opts.UnackedNotificationIDs))
|
|
copy(optsCopy.UnackedNotificationIDs, opts.UnackedNotificationIDs)
|
|
return optsCopy
|
|
}
|
|
|
|
// RequiresRestartOnly returns a copy with only the attributes that require
|
|
// restart on change.
|
|
func (opts OptionsConfiguration) RequiresRestartOnly() OptionsConfiguration {
|
|
optsCopy := opts
|
|
blank := OptionsConfiguration{}
|
|
util.CopyMatchingTag(&blank, &optsCopy, "restart", func(v string) bool {
|
|
if len(v) > 0 && v != "true" {
|
|
panic(fmt.Sprintf(`unexpected tag value: %s. Expected untagged or "true"`, v))
|
|
}
|
|
return v != "true"
|
|
})
|
|
return optsCopy
|
|
}
|
|
|
|
func (opts OptionsConfiguration) IsStunDisabled() bool {
|
|
return opts.StunKeepaliveMinS < 1 || opts.StunKeepaliveStartS < 1 || !opts.NATEnabled
|
|
}
|
|
|
|
func (opts OptionsConfiguration) ListenAddresses() []string {
|
|
var addresses []string
|
|
for _, addr := range opts.RawListenAddresses {
|
|
switch addr {
|
|
case "default":
|
|
addresses = append(addresses, DefaultListenAddresses...)
|
|
default:
|
|
addresses = append(addresses, addr)
|
|
}
|
|
}
|
|
return util.UniqueTrimmedStrings(addresses)
|
|
}
|
|
|
|
func (opts OptionsConfiguration) StunServers() []string {
|
|
var addresses []string
|
|
for _, addr := range opts.RawStunServers {
|
|
switch addr {
|
|
case "default":
|
|
defaultPrimaryAddresses := make([]string, len(DefaultPrimaryStunServers))
|
|
copy(defaultPrimaryAddresses, DefaultPrimaryStunServers)
|
|
rand.Shuffle(defaultPrimaryAddresses)
|
|
addresses = append(addresses, defaultPrimaryAddresses...)
|
|
|
|
defaultSecondaryAddresses := make([]string, len(DefaultSecondaryStunServers))
|
|
copy(defaultSecondaryAddresses, DefaultSecondaryStunServers)
|
|
rand.Shuffle(defaultSecondaryAddresses)
|
|
addresses = append(addresses, defaultSecondaryAddresses...)
|
|
default:
|
|
addresses = append(addresses, addr)
|
|
}
|
|
}
|
|
|
|
addresses = util.UniqueTrimmedStrings(addresses)
|
|
|
|
return addresses
|
|
}
|
|
|
|
func (opts OptionsConfiguration) GlobalDiscoveryServers() []string {
|
|
var servers []string
|
|
for _, srv := range opts.RawGlobalAnnServers {
|
|
switch srv {
|
|
case "default":
|
|
servers = append(servers, DefaultDiscoveryServers...)
|
|
case "default-v4":
|
|
servers = append(servers, DefaultDiscoveryServersV4...)
|
|
case "default-v6":
|
|
servers = append(servers, DefaultDiscoveryServersV6...)
|
|
default:
|
|
servers = append(servers, srv)
|
|
}
|
|
}
|
|
return util.UniqueTrimmedStrings(servers)
|
|
}
|
|
|
|
func (opts OptionsConfiguration) MaxFolderConcurrency() int {
|
|
// If a value is set, trust that.
|
|
if opts.RawMaxFolderConcurrency > 0 {
|
|
return opts.RawMaxFolderConcurrency
|
|
}
|
|
if opts.RawMaxFolderConcurrency < 0 {
|
|
// -1 etc means unlimited, which in the implementation means zero
|
|
return 0
|
|
}
|
|
// Otherwise default to the number of CPU cores in the system as a rough
|
|
// approximation of system powerfullness.
|
|
if n := runtime.GOMAXPROCS(-1); n > 0 {
|
|
return n
|
|
}
|
|
// We should never get here to begin with, but since we're here let's
|
|
// use some sort of reasonable compromise between the old "no limit" and
|
|
// getting nothing done... (Median number of folders out there at time
|
|
// of writing is two, 95-percentile at 12 folders.)
|
|
return 4 // https://xkcd.com/221/
|
|
}
|
|
|
|
func (opts OptionsConfiguration) MaxConcurrentIncomingRequestKiB() int {
|
|
// Negative is disabled, which in limiter land is spelled zero
|
|
if opts.RawMaxCIRequestKiB < 0 {
|
|
return 0
|
|
}
|
|
|
|
if opts.RawMaxFolderConcurrency == 0 {
|
|
// The default is 256 MiB
|
|
return 256 * 1024 // KiB
|
|
}
|
|
|
|
// We can't really do less than a couple of concurrent blocks or we'll
|
|
// pretty much stall completely. Check that an explicit value is large
|
|
// enough.
|
|
const minAllowed = 2 * protocol.MaxBlockSize / 1024
|
|
if opts.RawMaxCIRequestKiB < minAllowed {
|
|
return minAllowed
|
|
}
|
|
|
|
// Roll with it.
|
|
return opts.RawMaxCIRequestKiB
|
|
}
|
|
|
|
func (opts OptionsConfiguration) AutoUpgradeEnabled() bool {
|
|
return opts.AutoUpgradeIntervalH > 0
|
|
}
|