2021-02-16 20:31:50 +00:00
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package log
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2017-12-10 21:48:28 +00:00
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import (
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2018-01-05 23:32:21 +00:00
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"sync"
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2017-12-10 21:48:28 +00:00
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2021-02-16 20:31:50 +00:00
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"github.com/v2fly/v2ray-core/v4/common/serial"
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2017-12-10 21:48:28 +00:00
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)
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2017-12-19 21:02:57 +00:00
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// Message is the interface for all log messages.
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2017-12-10 21:48:28 +00:00
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type Message interface {
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String() string
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}
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2017-12-19 21:02:57 +00:00
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// Handler is the interface for log handler.
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2017-12-10 21:48:28 +00:00
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type Handler interface {
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Handle(msg Message)
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}
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improve commands (#648)
* stat show json refactor
> will show {} since scripts should expect it, its the json style of blank value
* combine statistics commands to one
* code optimize
* fix runtime flag
* remove json indent
* change overridden to override
* api bi -json
* convert stdin support
code optimize
* writeRow() code optimize
add stats tittle
revert back to restartlogger
* api log -restart
* follow log
* codeql
* move -json to shared flags
* flags optimize
* update flag descriptions
* change "-v" of "api bo" to duration
* change "-expire" of "tls cert" to days
* cmds short description optimize
* fix multiple log followers
* Format loader refactor
* "infra/conf/merge" refactor
* "LoadConfig" refactor
* add "infra/conf/mergers"
* contribute to it will benifit `v2ray run`,`v2ray test`,`v2ray convert`
* easily add new formats, by just adding a converter like json.FromTOML
* default format auto, to all cmds above
* auto detect input format
* mixed formats support
* better stdin behavior
* don't wait if no content
* don't use 'stdin:' placeholder
* `v2ray test` now behaves exactly the same with `v2ray run`, including stdin reading
* api ado, adi, rmo, rmi refactor
* support folders to files resolving, mixed formats
* remove remaining 'stdin:' placeholders
* fix tests
* os.Stdin.Stat() behaves different in platforms, removed
* code optimize
Co-authored-by: loyalsoldier <10487845+Loyalsoldier@users.noreply.github.com>
2021-02-21 15:02:42 +00:00
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// Follower is the interface for following logs.
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type Follower interface {
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AddFollower(func(msg Message))
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RemoveFollower(func(msg Message))
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}
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2017-12-19 21:02:57 +00:00
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// GeneralMessage is a general log message that can contain all kind of content.
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type GeneralMessage struct {
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Severity Severity
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Content interface{}
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}
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2017-12-19 21:02:57 +00:00
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// String implements Message.
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2017-12-10 21:48:28 +00:00
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func (m *GeneralMessage) String() string {
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2018-02-22 14:27:51 +00:00
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return serial.Concat("[", m.Severity, "] ", m.Content)
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2017-12-10 21:48:28 +00:00
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}
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2017-12-19 21:02:57 +00:00
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// Record writes a message into log stream.
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2017-12-10 21:48:28 +00:00
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func Record(msg Message) {
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2018-01-05 23:32:21 +00:00
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logHandler.Handle(msg)
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2017-12-10 21:48:28 +00:00
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}
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var (
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2018-01-05 23:32:21 +00:00
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logHandler syncHandler
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2017-12-10 21:48:28 +00:00
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)
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2017-12-19 21:02:57 +00:00
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// RegisterHandler register a new handler as current log handler. Previous registered handler will be discarded.
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2017-12-10 21:48:28 +00:00
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func RegisterHandler(handler Handler) {
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if handler == nil {
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panic("Log handler is nil")
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}
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2018-01-05 23:32:21 +00:00
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logHandler.Set(handler)
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}
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type syncHandler struct {
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sync.RWMutex
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Handler
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}
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func (h *syncHandler) Handle(msg Message) {
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h.RLock()
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defer h.RUnlock()
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if h.Handler != nil {
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h.Handler.Handle(msg)
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}
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}
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func (h *syncHandler) Set(handler Handler) {
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h.Lock()
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defer h.Unlock()
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h.Handler = handler
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2017-12-10 21:48:28 +00:00
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}
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