config

package
v0.11.24 Latest Latest
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 Go to latest Published: Sep 6, 2015 License: MPL-2.0 Imports: 16 Imported by: 38

Documentation

Overview

Package config implements reading and writing of the syncthing configuration file.

Index

Constants

View Source 
const (
	OldestHandledVersion = 5
	CurrentVersion       = 11
	MaxRescanIntervalS   = 365 * 24 * 60 * 60
)

Variables

View Source 
var ResponseNoRestart = CommitResponse{
	ValidationError: nil,
	RequiresRestart: false,
}

Functions

func ChangeRequiresRestart 

func ChangeRequiresRestart(from, to Configuration) bool

ChangeRequiresRestart returns true if updating the configuration requires a complete restart.

Types

type CommitResponse 

type CommitResponse struct {
	ValidationError error
	RequiresRestart bool
}

type Committer 

type Committer interface {
	VerifyConfiguration(from, to Configuration) error
	CommitConfiguration(from, to Configuration) (handled bool)
	String() string
}

The Committer interface is implemented by objects that need to know about or have a say in configuration changes.

When the configuration is about to be changed, VerifyConfiguration() is called for each subscribing object, with the old and new configuration. A nil error is returned if the new configuration is acceptable (i.e. does not contain any errors that would prevent it from being a valid config). Otherwise an error describing the problem is returned.

If any subscriber returns an error from VerifyConfiguration(), the configuration change is not committed and an error is returned to whoever tried to commit the broken config.

If all verification calls returns nil, CommitConfiguration() is called for each subscribing object. The callee returns true if the new configuration has been successfully applied, otherwise false. Any Commit() call returning false will result in a "restart needed" respone to the API/user. Note that the new configuration will still have been applied by those who were capable of doing so.

type Configuration 

type Configuration struct {
	Version        int                   `xml:"version,attr" json:"version"`
	Folders        []FolderConfiguration `xml:"folder" json:"folders"`
	Devices        []DeviceConfiguration `xml:"device" json:"devices"`
	GUI            GUIConfiguration      `xml:"gui" json:"gui"`
	Options        OptionsConfiguration  `xml:"options" json:"options"`
	IgnoredDevices []protocol.DeviceID   `xml:"ignoredDevice" json:"ignoredDevices"`
	XMLName        xml.Name              `xml:"configuration" json:"-"`

	OriginalVersion int `xml:"-" json:"-"` // The version we read from disk, before any conversion
}

func New 

func New(myID protocol.DeviceID) Configuration

func ReadXML 

func ReadXML(r io.Reader, myID protocol.DeviceID) (Configuration, error)

func (Configuration) Copy 

func (cfg Configuration) Copy() Configuration

func (*Configuration) WriteXML 

func (cfg *Configuration) WriteXML(w io.Writer) error

type DeviceConfiguration 

type DeviceConfiguration struct {
	DeviceID    protocol.DeviceID    `xml:"id,attr" json:"deviceID"`
	Name        string               `xml:"name,attr,omitempty" json:"name"`
	Addresses   []string             `xml:"address,omitempty" json:"addresses"`
	Compression protocol.Compression `xml:"compression,attr" json:"compression"`
	CertName    string               `xml:"certName,attr,omitempty" json:"certName"`
	Introducer  bool                 `xml:"introducer,attr" json:"introducer"`
}

func (DeviceConfiguration) Copy 

func (orig DeviceConfiguration) Copy() DeviceConfiguration

type DeviceConfigurationList 

type DeviceConfigurationList []DeviceConfiguration

func (DeviceConfigurationList) Len 

func (l DeviceConfigurationList) Len() int

func (DeviceConfigurationList) Less 

func (l DeviceConfigurationList) Less(a, b int) bool

func (DeviceConfigurationList) Swap 

func (l DeviceConfigurationList) Swap(a, b int)

type FolderConfiguration 

type FolderConfiguration struct {
	ID              string                      `xml:"id,attr" json:"id"`
	RawPath         string                      `xml:"path,attr" json:"path"`
	Devices         []FolderDeviceConfiguration `xml:"device" json:"devices"`
	ReadOnly        bool                        `xml:"ro,attr" json:"readOnly"`
	RescanIntervalS int                         `xml:"rescanIntervalS,attr" json:"rescanIntervalS"`
	IgnorePerms     bool                        `xml:"ignorePerms,attr" json:"ignorePerms"`
	AutoNormalize   bool                        `xml:"autoNormalize,attr" json:"autoNormalize"`
	MinDiskFreePct  float64                     `xml:"minDiskFreePct" json:"minDiskFreePct"`
	Versioning      VersioningConfiguration     `xml:"versioning" json:"versioning"`
	Copiers         int                         `xml:"copiers" json:"copiers"` // This defines how many files are handled concurrently.
	Pullers         int                         `xml:"pullers" json:"pullers"` // Defines how many blocks are fetched at the same time, possibly between separate copier routines.
	Hashers         int                         `xml:"hashers" json:"hashers"` // Less than one sets the value to the number of cores. These are CPU bound due to hashing.
	Order           PullOrder                   `xml:"order" json:"order"`
	IgnoreDelete    bool                        `xml:"ignoreDelete" json:"ignoreDelete"`

	Invalid string `xml:"-" json:"invalid"` // Set at runtime when there is an error, not saved
}

func (FolderConfiguration) Copy 

func (f FolderConfiguration) Copy() FolderConfiguration

func (*FolderConfiguration) CreateMarker 

func (f *FolderConfiguration) CreateMarker() error

func (*FolderConfiguration) DeviceIDs 

func (f *FolderConfiguration) DeviceIDs() []protocol.DeviceID

func (*FolderConfiguration) HasMarker 

func (f *FolderConfiguration) HasMarker() bool

func (FolderConfiguration) Path 

func (f FolderConfiguration) Path() string

type FolderDeviceConfiguration 

type FolderDeviceConfiguration struct {
	DeviceID protocol.DeviceID `xml:"id,attr" json:"deviceID"`
}

type FolderDeviceConfigurationList 

type FolderDeviceConfigurationList []FolderDeviceConfiguration

func (FolderDeviceConfigurationList) Len 

func (l FolderDeviceConfigurationList) Len() int

func (FolderDeviceConfigurationList) Less 

func (l FolderDeviceConfigurationList) Less(a, b int) bool

func (FolderDeviceConfigurationList) Swap 

func (l FolderDeviceConfigurationList) Swap(a, b int)

type GUIConfiguration 

type GUIConfiguration struct {
	Enabled  bool   `xml:"enabled,attr" json:"enabled" default:"true"`
	Address  string `xml:"address" json:"address" default:"127.0.0.1:8384"`
	User     string `xml:"user,omitempty" json:"user"`
	Password string `xml:"password,omitempty" json:"password"`
	UseTLS   bool   `xml:"tls,attr" json:"useTLS"`
	APIKey   string `xml:"apikey,omitempty" json:"apiKey"`
}

type InternalParam 

type InternalParam struct {
	Key string `xml:"key,attr"`
	Val string `xml:"val,attr"`
}

type InternalVersioningConfiguration 

type InternalVersioningConfiguration struct {
	Type   string          `xml:"type,attr,omitempty"`
	Params []InternalParam `xml:"param"`
}

type OptionsConfiguration 

type OptionsConfiguration struct {
	ListenAddress           []string `xml:"listenAddress" json:"listenAddress" default:"0.0.0.0:22000"`
	GlobalAnnServers        []string `` /* 169-byte string literal not displayed */
	GlobalAnnEnabled        bool     `xml:"globalAnnounceEnabled" json:"globalAnnounceEnabled" default:"true"`
	LocalAnnEnabled         bool     `xml:"localAnnounceEnabled" json:"localAnnounceEnabled" default:"true"`
	LocalAnnPort            int      `xml:"localAnnouncePort" json:"localAnnouncePort" default:"21025"`
	LocalAnnMCAddr          string   `xml:"localAnnounceMCAddr" json:"localAnnounceMCAddr" default:"[ff32::5222]:21026"`
	MaxSendKbps             int      `xml:"maxSendKbps" json:"maxSendKbps"`
	MaxRecvKbps             int      `xml:"maxRecvKbps" json:"maxRecvKbps"`
	ReconnectIntervalS      int      `xml:"reconnectionIntervalS" json:"reconnectionIntervalS" default:"60"`
	StartBrowser            bool     `xml:"startBrowser" json:"startBrowser" default:"true"`
	UPnPEnabled             bool     `xml:"upnpEnabled" json:"upnpEnabled" default:"true"`
	UPnPLeaseM              int      `xml:"upnpLeaseMinutes" json:"upnpLeaseMinutes" default:"60"`
	UPnPRenewalM            int      `xml:"upnpRenewalMinutes" json:"upnpRenewalMinutes" default:"30"`
	UPnPTimeoutS            int      `xml:"upnpTimeoutSeconds" json:"upnpTimeoutSeconds" default:"10"`
	URAccepted              int      `xml:"urAccepted" json:"urAccepted"` // Accepted usage reporting version; 0 for off (undecided), -1 for off (permanently)
	URUniqueID              string   `xml:"urUniqueID" json:"urUniqueId"` // Unique ID for reporting purposes, regenerated when UR is turned on.
	RestartOnWakeup         bool     `xml:"restartOnWakeup" json:"restartOnWakeup" default:"true"`
	AutoUpgradeIntervalH    int      `xml:"autoUpgradeIntervalH" json:"autoUpgradeIntervalH" default:"12"` // 0 for off
	KeepTemporariesH        int      `xml:"keepTemporariesH" json:"keepTemporariesH" default:"24"`         // 0 for off
	CacheIgnoredFiles       bool     `xml:"cacheIgnoredFiles" json:"cacheIgnoredFiles" default:"true"`
	ProgressUpdateIntervalS int      `xml:"progressUpdateIntervalS" json:"progressUpdateIntervalS" default:"5"`
	SymlinksEnabled         bool     `xml:"symlinksEnabled" json:"symlinksEnabled" default:"true"`
	LimitBandwidthInLan     bool     `xml:"limitBandwidthInLan" json:"limitBandwidthInLan" default:"false"`
	DatabaseBlockCacheMiB   int      `xml:"databaseBlockCacheMiB" json:"databaseBlockCacheMiB" default:"0"`
	PingTimeoutS            int      `xml:"pingTimeoutS" json:"pingTimeoutS" default:"30"`
	PingIdleTimeS           int      `xml:"pingIdleTimeS" json:"pingIdleTimeS" default:"60"`
	MinHomeDiskFreePct      float64  `xml:"minHomeDiskFreePct" json:"minHomeDiskFreePct" default:"1"`
}

func (OptionsConfiguration) Copy 

func (orig OptionsConfiguration) Copy() OptionsConfiguration

type PullOrder 

type PullOrder int
const (
	OrderRandom PullOrder = iota // default is random
	OrderAlphabetic
	OrderSmallestFirst
	OrderLargestFirst
	OrderOldestFirst
	OrderNewestFirst
)

func (PullOrder) MarshalText 

func (o PullOrder) MarshalText() ([]byte, error)

func (PullOrder) String 

func (o PullOrder) String() string

func (*PullOrder) UnmarshalText 

func (o *PullOrder) UnmarshalText(bs []byte) error

type VersioningConfiguration 

type VersioningConfiguration struct {
	Type   string            `xml:"type,attr" json:"type"`
	Params map[string]string `json:"params"`
}

func (*VersioningConfiguration) MarshalXML 

func (c *VersioningConfiguration) MarshalXML(e *xml.Encoder, start xml.StartElement) error

func (*VersioningConfiguration) UnmarshalXML 

func (c *VersioningConfiguration) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error

type Wrapper 

type Wrapper struct {
	// contains filtered or unexported fields
}

func Load 

func Load(path string, myID protocol.DeviceID) (*Wrapper, error)

Load loads an existing file on disk and returns a new configuration wrapper.

func Wrap 

func Wrap(path string, cfg Configuration) *Wrapper

Wrap wraps an existing Configuration structure and ties it to a file on disk.

func (*Wrapper) ConfigPath 

func (w *Wrapper) ConfigPath() string

func (*Wrapper) Devices 

func (w *Wrapper) Devices() map[protocol.DeviceID]DeviceConfiguration

Devices returns a map of devices. Device structures should not be changed, other than for the purpose of updating via SetDevice().

func (*Wrapper) Folders 

func (w *Wrapper) Folders() map[string]FolderConfiguration

Folders returns a map of folders. Folder structures should not be changed, other than for the purpose of updating via SetFolder().

func (*Wrapper) GUI 

func (w *Wrapper) GUI() GUIConfiguration

GUI returns the current GUI configuration object.

func (*Wrapper) IgnoredDevice 

func (w *Wrapper) IgnoredDevice(id protocol.DeviceID) bool

IgnoredDevice returns whether or not connection attempts from the given device should be silently ignored.

func (*Wrapper) Options 

func (w *Wrapper) Options() OptionsConfiguration

Options returns the current options configuration object.

func (*Wrapper) Raw 

func (w *Wrapper) Raw() Configuration

Raw returns the currently wrapped Configuration object.

func (*Wrapper) Replace 

func (w *Wrapper) Replace(cfg Configuration) CommitResponse

Replace swaps the current configuration object for the given one.

func (*Wrapper) Save 

func (w *Wrapper) Save() error

Save writes the configuration to disk, and generates a ConfigSaved event.

func (*Wrapper) SetDevice 

func (w *Wrapper) SetDevice(dev DeviceConfiguration) CommitResponse

SetDevice adds a new device to the configuration, or overwrites an existing device with the same ID.

func (*Wrapper) SetFolder 

func (w *Wrapper) SetFolder(fld FolderConfiguration) CommitResponse

SetFolder adds a new folder to the configuration, or overwrites an existing folder with the same ID.

func (*Wrapper) SetGUI 

func (w *Wrapper) SetGUI(gui GUIConfiguration) CommitResponse

SetGUI replaces the current GUI configuration object.

func (*Wrapper) SetOptions 

func (w *Wrapper) SetOptions(opts OptionsConfiguration) CommitResponse

SetOptions replaces the current options configuration object.

func (*Wrapper) Stop 

func (w *Wrapper) Stop()

Stop stops the Serve() loop. Set and Replace operations will panic after a Stop.

func (*Wrapper) Subscribe 

func (w *Wrapper) Subscribe(c Committer)

Subscribe registers the given handler to be called on any future configuration changes.

Source Files

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