node

package
v1.1.1 Latest Latest
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 Go to latest Published: Mar 2, 2026 License: MIT Imports: 35 Imported by: 1

Documentation

Index

Constants

View Source 
const (
	GatewayRateLimiterFilterName = "GatewayRateLimiterFilter" // 网关限流过滤器
	ParameterFilterName          = "ParameterFilter"          // 参数解析过滤器
	SessionFilterName            = "SessionFilter"            // 会话验证过滤器
	UserRateLimiterFilterName    = "UserRateLimiterFilter"    // 用户限流过滤器
	RoleFilterName               = "RoleFilter"               // 角色权限过滤器
	PostHandleFilterName         = "PostHandleFilter"         // 后置处理过滤器
	RenderHandleFilterName       = "RenderHandleFilter"       // 响应渲染过滤器
)

过滤器名称常量定义 用于标识不同类型的过滤器，方便配置和管理

View Source 
const (
	UTF8 = "UTF-8"

	ANDROID = "android"
	IOS     = "ios"
	WEB     = "web"

	TEXT_PLAIN       = "text/plain; charset=utf-8"
	APPLICATION_JSON = "application/json; charset=utf-8"
	NO_BODY          = "no_body"

	GET     = "GET"
	POST    = "POST"
	PUT     = "PUT"
	PATCH   = "PATCH"
	DELETE  = "DELETE"
	HEAD    = "HEAD"
	OPTIONS = "OPTIONS"

	Authorization = "Authorization"
	SharedKey     = "SharedKey"
	Cipher        = "Cipher"
)
View Source 
const (
	DefaultWsRoute  = "/ws"       // 默认WebSocket路由路径
	WS_MAX_BODY_LEN = 1024 * 1024 // 1MB
)

WebSocket专用常量

Variables

View Source 
var (
	MAX_BODY_LEN  = 200000 // 最大参数值长度
	MAX_TOKEN_LEN = 2048   // 最大Token值长度
	MAX_CODE_LEN  = 1024   // 最大Code值长度
)

Functions

func AppendBodyMessage added in v1.1.0 

func AppendBodyMessage(path, data, nonce string, time, plan, usr int64) []byte

func CheckPublicKey added in v1.1.0 

func CheckPublicKey(c cache.Cache, requestObject *PublicKey, cipher crypto.Cipher) error

func ErrorMsgToLang added in v1.0.129 

func ErrorMsgToLang(ctx *Context, msg string, args ...string) string

func NewGracefulListener 

func NewGracefulListener(address string, maxWaitTime time.Duration) (net.Listener, error)

NewGracefulListener 创建一个新的优雅关闭监听器 返回 (监听器, 错误)，避免直接panic，让调用者处理初始化失败

func PutJsonBody added in v1.1.0 

func PutJsonBody(body *JsonBody)

PutJsonBody 将JsonBody对象放回对象池 注意：放回前需要重置对象字段，避免数据污染

func PutJsonResp added in v1.1.0 

func PutJsonResp(resp *JsonResp)

PutJsonResp 将JsonResp对象放回对象池 注意：放回前需要重置对象字段，避免数据污染

func PutMessageHandler added in v1.1.0 

func PutMessageHandler(mh *MessageHandler)

PutMessageHandler 将MessageHandler对象放回池中，并重置其字段

func SignBodyMessage added in v1.1.0 

func SignBodyMessage(path, data, nonce string, time, plan, usr int64, key []byte) []byte

Types

type CacheAware added in v1.0.5 

type CacheAware func(ds ...string) (cache.Cache, error)

type ConfigValidator added in v1.1.0 

type ConfigValidator struct{}

ConfigValidator 配置验证器（统一配置检查）

type Configs added in v1.0.113 

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

Configs 结构体 - 88字节 (4个字段，8字节对齐，无填充) 排列优化：大字段优先，string放在最后利用16字节对齐

type ConnectionContext added in v1.1.0 

type ConnectionContext struct {
	Subject      *jwt.Subject
	JsonBody     *JsonBody
	WsConn       *fasthttpWs.Conn
	DevConn      *DevConn
	Server       *WsServer
	RouterConfig *RouterConfig // 路由配置
	Path         string        // WebSocket连接的路径
	RawToken     []byte        // 原始JWT token字节，用于签名验证
	// contains filtered or unexported fields
}

ConnectionContext 每个WebSocket连接的上下文，包含连接相关的所有信息

func (*ConnectionContext) GetRawTokenBytes added in v1.1.0 

func (cc *ConnectionContext) GetRawTokenBytes() []byte

GetRawTokenBytes 获取原始JWT token字节

func (*ConnectionContext) GetTokenSecret added in v1.1.0 

func (cc *ConnectionContext) GetTokenSecret() []byte

GetTokenSecret 获取WebSocket连接的token密钥

func (*ConnectionContext) GetUserID added in v1.1.0 

func (cc *ConnectionContext) GetUserID() int64

GetUserID 获取用户ID int64类型

func (*ConnectionContext) GetUserIDString added in v1.1.0 

func (cc *ConnectionContext) GetUserIDString() string

GetUserIDString 获取用户ID string类型

type ConnectionManager added in v1.1.0 

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

ConnectionManager 连接管理器：线程安全的连接管理，支持广播、房间、过期清理

func NewConnectionManager added in v1.1.0 

func NewConnectionManager(maxConn int, mode ConnectionUniquenessMode) *ConnectionManager

NewConnectionManager 创建连接管理器

func (*ConnectionManager) Add added in v1.1.0 

func (cm *ConnectionManager) Add(conn *DevConn) error

Add 添加连接 根据连接唯一性模式决定连接的处理策略： - SubjectUnique: 替换同subject的所有连接，只保留一个 - SubjectDeviceUnique: 替换同subject+device的连接，允许多设备同时在线 设备键格式：subject_device (如: user123_web, user123_app)

func (*ConnectionManager) AddTestConnection added in v1.1.0 

func (cm *ConnectionManager) AddTestConnection(subject, deviceKey string, conn *DevConn)

AddTestConnection 添加测试连接（仅用于单元测试）

func (*ConnectionManager) Broadcast added in v1.1.0 

func (cm *ConnectionManager) Broadcast(data []byte)

Broadcast 广播消息到所有连接

func (*ConnectionManager) CleanupAll added in v1.1.0 

func (cm *ConnectionManager) CleanupAll()

CleanupAll 清理所有连接

func (*ConnectionManager) CleanupExpired added in v1.1.0 

func (cm *ConnectionManager) CleanupExpired(timeoutSeconds int64) int

CleanupExpired 清理过期连接

func (*ConnectionManager) Count added in v1.1.0 

func (cm *ConnectionManager) Count() int

Count 获取当前连接数

func (*ConnectionManager) Get added in v1.1.0 

func (cm *ConnectionManager) Get(subject, deviceKey string) *DevConn

Get 获取指定连接

func (*ConnectionManager) HealthCheck added in v1.1.0 

func (cm *ConnectionManager) HealthCheck() map[string]int

HealthCheck 健康检查：返回每个subject的活跃连接数统计

func (*ConnectionManager) Remove added in v1.1.0 

func (cm *ConnectionManager) Remove(subject, deviceKey string) *DevConn

Remove 移除连接（不关闭，仅从管理器移除）

func (*ConnectionManager) RemoveWithCallback added in v1.1.0 

func (cm *ConnectionManager) RemoveWithCallback(subject, deviceKey string, callback func()) *DevConn

RemoveWithCallback 移除连接并执行回调（用于指标记录）

func (*ConnectionManager) SendToSubject added in v1.1.0 

func (cm *ConnectionManager) SendToSubject(subject, router string, data interface{}) error

SendToSubject 发送消息到指定主题的所有连接

type ConnectionUniquenessMode added in v1.1.0 

type ConnectionUniquenessMode int

ConnectionUniquenessMode 连接唯一性模式 用于控制WebSocket连接的唯一性策略 

const (
	// SubjectUnique 仅Subject唯一，一个用户只能有一个连接
	// 适用于单设备应用场景，如移动端App
	SubjectUnique ConnectionUniquenessMode = iota

	// SubjectDeviceUnique Subject+Device唯一，一个用户可以在多个设备上连接
	// 适用于多设备场景，如Web、App、PC同时在线
	SubjectDeviceUnique
)

type Context 

type Context struct {
	// 16字节string字段组 (2个字段，32字节)
	Method string // 16字节 (8+8) - string字段
	Path   string // 16字节 (8+8) - string字段

	System     *System              // 8字节 - 指针
	RequestCtx *fasthttp.RequestCtx // 8字节 - 指针
	Subject    *jwt.Subject         // 8字节 - 指针
	JsonBody   *JsonBody            // 8字节 - 指针
	Response   *Response            // 8字节 - 指针

	RouterConfig *RouterConfig // 8字节 - 指针

	// 8字节函数指针字段组 (5个字段，40字节)
	RedisCacheAware func(ds ...string) (cache.Cache, error) // 8字节 - 函数指针
	LocalCacheAware func(ds ...string) (cache.Cache, error) // 8字节 - 函数指针

	// 8字节其他字段组 (2个字段)
	Cipher  map[int64]crypto.Cipher // 8字节 - slice
	Storage map[string]interface{}  // 8字节 - map
	// contains filtered or unexported fields
}

Context 结构体 - 184字节 (19个字段，8字节对齐，0字节填充) 排列优化：按字段大小和类型分组，16字节string字段在前，8字节指针/函数/map字段居中，bool字段在后

func (*Context) AddStorage 

func (self *Context) AddStorage(k string, v interface{})

func (*Context) Authenticated 

func (self *Context) Authenticated() bool

func (*Context) Bytes added in v1.1.0 

func (self *Context) Bytes(data []byte) error

func (*Context) CheckECDSASign added in v1.1.0 

func (self *Context) CheckECDSASign(cipher crypto.Cipher, msg, sign []byte) (crypto.Cipher, error)

func (*Context) ClientDevice added in v1.0.104 

func (self *Context) ClientDevice() string

func (*Context) ClientLanguage added in v1.0.107 

func (self *Context) ClientLanguage() string

func (*Context) CreatePublicKey added in v1.1.0 

func (self *Context) CreatePublicKey() (*PublicKey, error)

func (*Context) DelStorage added in v1.0.3 

func (self *Context) DelStorage(k string)

func (*Context) GetCacheObject added in v1.1.0 

func (self *Context) GetCacheObject() (cache.Cache, error)

func (*Context) GetHeader added in v1.0.134 

func (self *Context) GetHeader(key string) string

func (*Context) GetHmac256Sign 

func (self *Context) GetHmac256Sign(d, n string, t, p, u int64, key []byte) []byte

func (*Context) GetJwtConfig 

func (self *Context) GetJwtConfig() jwt.JwtConfig

func (*Context) GetPostBody added in v1.0.134 

func (self *Context) GetPostBody() string

func (*Context) GetRawTokenBytes added in v1.1.0 

func (self *Context) GetRawTokenBytes() []byte

func (*Context) GetStorage 

func (self *Context) GetStorage(k string) interface{}

func (*Context) GetTokenSecret 

func (self *Context) GetTokenSecret() []byte

func (*Context) Handle 

func (self *Context) Handle() error

func (*Context) Json added in v1.0.120 

func (self *Context) Json(data interface{}) error

func (*Context) NoBody added in v1.0.170 

func (self *Context) NoBody() error

func (*Context) Parser 

func (self *Context) Parser(dst interface{}) error

func (*Context) RemoteIP added in v1.0.104 

func (self *Context) RemoteIP() string

RemoteIP 安全获取真实客户端IP（防伪造、过滤内网IP）

func (*Context) Text added in v1.0.120 

func (self *Context) Text(data string) error

type DevConn added in v1.0.146 

type DevConn struct {
	Sub  string
	Dev  string
	Last int64            // 最后心跳时间（时间戳）
	Conn *fasthttpWs.Conn // WebSocket连接
	// contains filtered or unexported fields
}

DevConn 设备连接实体：存储单连接的核心信息

func (*DevConn) IsActive added in v1.1.0 

func (dc *DevConn) IsActive() bool

IsActive 检查连接是否活跃（通过发送ping消息）

func (*DevConn) Send added in v1.1.0 

func (dc *DevConn) Send(data []byte) error

type ErrorHandle added in v1.0.121 

type ErrorHandle func(ctx *Context, throw ex.Throw) error

type ErrorHandler added in v1.1.0 

type ErrorHandler struct {
}

ErrorHandler WebSocket错误处理器（统一错误处理）

type Filter 

type Filter interface {
	DoFilter(chain Filter, ctx *Context, args ...interface{}) error
}

type FilterObject 

type FilterObject struct {
	Name         string   // 16字节 (8+8) - string字段
	Filter       Filter   // 16字节 (8+8) - interface{}字段
	MatchPattern []string // 24字节 (8+8+8) - slice字段
	Order        int      // 8字节 - int字段放在最后
}

FilterObject 结构体 - 64字节 (4个字段，8字节对齐，优化排列减少填充) 排列优化：大字段优先，相同大小字段分组

type GatewayRateLimiterFilter 

type GatewayRateLimiterFilter struct{} // 网关级限流过滤器

过滤器结构体定义 实现Filter接口的DoFilter方法，按照职责分离的原则处理不同的过滤逻辑

func (*GatewayRateLimiterFilter) DoFilter 

func (self *GatewayRateLimiterFilter) DoFilter(chain Filter, ctx *Context, args ...interface{}) error

DoFilter 执行网关级和方法级限流检查 1. 网关级限流：全局请求频率控制 2. 方法级限流：按API路径进行精细化频率控制 如果请求超出限制，返回429 Too Many Requests错误

type GracefulListener 

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

GracefulListener 支持优雅关闭的TCP监听器，关闭时会等待现有连接处理完毕

func (*GracefulListener) Accept 

func (ln *GracefulListener) Accept() (net.Conn, error)

func (*GracefulListener) Addr 

func (ln *GracefulListener) Addr() net.Addr

Addr 返回监听器的地址信息

func (*GracefulListener) Close 

func (ln *GracefulListener) Close() error

Close 关闭监听器并等待所有活跃连接处理完毕（优雅关闭） 1. 先关闭底层监听器，停止接受新连接 2. 等待现有连接关闭，超时则返回错误

func (*GracefulListener) CloseWithTimeout added in v1.1.0 

func (ln *GracefulListener) CloseWithTimeout(timeout time.Duration) error

CloseWithTimeout 带超时的优雅关闭

type Handle added in v1.0.146 

type Handle func(ctx context.Context, connCtx *ConnectionContext, body []byte) (interface{}, error) // 业务处理函数，返回nil则不回复

核心类型定义

type HeartbeatService added in v1.1.0 

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

HeartbeatService 心跳服务：维护连接活性，清理过期连接

func NewHeartbeatService added in v1.1.0 

func NewHeartbeatService(interval, timeout time.Duration, manager *ConnectionManager) *HeartbeatService

func (*HeartbeatService) Start added in v1.1.0 

func (hs *HeartbeatService) Start()

func (*HeartbeatService) Stop added in v1.1.0 

func (hs *HeartbeatService) Stop()

type HookNode 

type HookNode struct {
	Context *Context // 8字节 - 指针字段
	// contains filtered or unexported fields
}

HookNode 结构体 - 32字节 (2个字段，8字节对齐，无填充) 排列优化：指针字段在前，slice字段在后

type HttpLog 

type HttpLog struct {
	Method   string // 请求方法 - 16字节 (8+8)
	LogNo    string // 日志唯一标记 - 16字节 (8+8)
	CreateAt int64  // 日志创建时间 - 8字节
	UpdateAt int64  // 日志完成时间 - 8字节
	CostMill int64  // 业务耗时,毫秒 - 8字节
}

HttpLog 结构体 - 64字节 (5个字段，8字节对齐，无填充) 排列优化：string字段在前，int64字段连续排列

type HttpNode 

type HttpNode struct {
	HookNode
	// contains filtered or unexported fields
}

func (*HttpNode) AddCipher added in v1.0.72 

func (self *HttpNode) AddCipher(key int64, cipher crypto.Cipher) error

func (*HttpNode) AddErrorHandle added in v1.0.121 

func (self *HttpNode) AddErrorHandle(errorHandle func(ctx *Context, throw ex.Throw) error) error

func (*HttpNode) AddFilter 

func (self *HttpNode) AddFilter(object *FilterObject)

func (*HttpNode) AddJwtConfig 

func (self *HttpNode) AddJwtConfig(config jwt.JwtConfig) error

func (*HttpNode) AddLanguage added in v1.0.107 

func (self *HttpNode) AddLanguage(langDs, filePath string) error

func (*HttpNode) AddLanguageByJson added in v1.0.128 

func (self *HttpNode) AddLanguageByJson(langDs string, bs []byte) error

func (*HttpNode) AddLocalCache added in v1.1.0 

func (self *HttpNode) AddLocalCache(cacheAware CacheAware)

AddLocalCache 增加本地缓存实例

func (*HttpNode) AddRedisCache added in v1.1.0 

func (self *HttpNode) AddRedisCache(cacheAware CacheAware)

AddRedisCache 增加redis缓存实例

func (*HttpNode) AddRoleRealm added in v1.0.115 

func (self *HttpNode) AddRoleRealm(roleRealm func(ctx *Context, onlyRole bool) (*Permission, error)) error

func (*HttpNode) Bytes added in v1.1.0 

func (self *HttpNode) Bytes(ctx *Context, data []byte) error

func (*HttpNode) ClearFilterChain 

func (self *HttpNode) ClearFilterChain()

func (*HttpNode) DELETE 

func (self *HttpNode) DELETE(path string, handle func(ctx *Context) error, routerConfig *RouterConfig)

func (*HttpNode) Empty added in v1.0.170 

func (self *HttpNode) Empty(ctx *Context) error

func (*HttpNode) EnableECC added in v1.0.72 

func (self *HttpNode) EnableECC(enable bool)

EnableECC default: true

func (*HttpNode) GET 

func (self *HttpNode) GET(path string, handle func(ctx *Context) error, routerConfig *RouterConfig)

func (*HttpNode) HEAD 

func (self *HttpNode) HEAD(path string, handle func(ctx *Context) error, routerConfig *RouterConfig)

func (*HttpNode) Json 

func (self *HttpNode) Json(ctx *Context, data interface{}) error

func (*HttpNode) OPTIONS 

func (self *HttpNode) OPTIONS(path string, handle func(ctx *Context) error, routerConfig *RouterConfig)

func (*HttpNode) PATCH 

func (self *HttpNode) PATCH(path string, handle func(ctx *Context) error, routerConfig *RouterConfig)

func (*HttpNode) POST 

func (self *HttpNode) POST(path string, handle func(ctx *Context) error, routerConfig *RouterConfig)

func (*HttpNode) PUT 

func (self *HttpNode) PUT(path string, handle func(ctx *Context) error, routerConfig *RouterConfig)

func (*HttpNode) SetDefaultMethodRateLimiter added in v1.1.0 

func (self *HttpNode) SetDefaultMethodRateLimiter(option rate.Option)

func (*HttpNode) SetGatewayRateLimiter added in v1.1.0 

func (self *HttpNode) SetGatewayRateLimiter(option rate.Option)

SetGatewayRateLimiter 设置网关级限流器配置 用于控制整个服务的全局请求频率，防止服务过载 option: 限流器配置，包含速率和桶容量等参数

func (*HttpNode) SetLengthCheck added in v1.1.0 

func (self *HttpNode) SetLengthCheck(bodyLen, tokenLen, codeLen int)

func (*HttpNode) SetLocalSecret added in v1.1.0 

func (self *HttpNode) SetLocalSecret(key string)

SetLocalSecret 增加本地secret定义，最少24个字符长度

func (*HttpNode) SetMethodRateLimiterByPath added in v1.1.0 

func (self *HttpNode) SetMethodRateLimiterByPath(path string, option rate.Option)

SetMethodRateLimiterByPath 为特定路径设置方法级限流器

func (*HttpNode) SetSystem added in v1.0.115 

func (self *HttpNode) SetSystem(name, version string)

func (*HttpNode) SetUserRateLimiter added in v1.1.0 

func (self *HttpNode) SetUserRateLimiter(option rate.Option)

SetUserRateLimiter 设置用户级限流器配置 用于控制每个用户的请求频率，防止恶意用户刷接口 option: 限流器配置，通常设置较低的速率限制

func (*HttpNode) StartServer 

func (self *HttpNode) StartServer(addr string)

func (*HttpNode) StartServerByTimeout added in v1.0.172 

func (self *HttpNode) StartServerByTimeout(addr string, timeout int)

func (*HttpNode) Text 

func (self *HttpNode) Text(ctx *Context, data string) error

type JsonBody 

type JsonBody struct {
	// 16字节字段组 (3个string字段，48字节)
	Data   string `json:"d"` // 16字节 (8+8) - string字段
	Nonce  string `json:"n"` // 16字节 (8+8) - string字段
	Sign   string `json:"s"` // 16字节 (8+8) - string字段
	Valid  string `json:"e"` // 16字节 (8+8) - string字段
	Router string `json:"r"` // 16字节 (8+8) - string字段

	// 8字节字段组 (2个int64字段，16字节)
	Time int64 `json:"t"` // 8字节 - int64字段
	Plan int64 `json:"p"` // 8字节 - 0.默认(登录状态) 1.AES(登录状态) 2.RSA/ECC模式(匿名状态)
	User int64 `json:"u"` // 8字节 - 客户端ID
}

JsonBody 结构体 - 64字节 (5个字段，8字节对齐，无填充) 排列优化：string字段组在前(48字节)，int64字段组在后(16字节)

func GetJsonBody added in v1.1.0 

func GetJsonBody() *JsonBody

GetJsonBody 从对象池获取JsonBody对象

func (JsonBody) MarshalEasyJSON added in v1.1.0 

func (v JsonBody) MarshalEasyJSON(w *jwriter.Writer)

MarshalEasyJSON supports easyjson.Marshaler interface

func (JsonBody) MarshalJSON added in v1.1.0 

func (v JsonBody) MarshalJSON() ([]byte, error)

MarshalJSON supports json.Marshaler interface

func (*JsonBody) ParseData added in v1.0.22 

func (self *JsonBody) ParseData(dst interface{}) error

func (*JsonBody) RawData added in v1.0.22 

func (self *JsonBody) RawData() []byte

func (*JsonBody) UnmarshalEasyJSON added in v1.1.0 

func (v *JsonBody) UnmarshalEasyJSON(l *jlexer.Lexer)

UnmarshalEasyJSON supports easyjson.Unmarshaler interface

func (*JsonBody) UnmarshalJSON added in v1.1.0 

func (v *JsonBody) UnmarshalJSON(data []byte) error

UnmarshalJSON supports json.Unmarshaler interface

type JsonResp 

type JsonResp struct {
	// 16字节字段组 (4个string字段，64字节)
	Message string `json:"m"` // 16字节 (8+8) - string字段
	Data    string `json:"d"` // 16字节 (8+8) - string字段
	Nonce   string `json:"n"` // 16字节 (8+8) - string字段
	Sign    string `json:"s"` // 16字节 (8+8) - string字段
	Valid   string `json:"e"` // 16字节 (8+8) - string字段
	Router  string `json:"r"` // 16字节 (8+8) - 路由字段，用于消息订阅

	// 8字节字段组 (3个字段：1个int+2个int64，24字节)
	Code int   `json:"c"` // 8字节 - int字段
	Time int64 `json:"t"` // 8字节 - int64字段
	Plan int64 `json:"p"` // 8字节 - int64字段
}

JsonResp 结构体 - 96字节 (7个字段，8字节对齐，无填充) 排列优化：string字段组在前(64字节)，int和int64字段组在后(32字节)

func GetJsonResp added in v1.1.0 

func GetJsonResp() *JsonResp

GetJsonResp 从对象池获取JsonResp对象

func (JsonResp) MarshalEasyJSON added in v1.1.0 

func (v JsonResp) MarshalEasyJSON(w *jwriter.Writer)

MarshalEasyJSON supports easyjson.Marshaler interface

func (JsonResp) MarshalJSON added in v1.1.0 

func (v JsonResp) MarshalJSON() ([]byte, error)

MarshalJSON supports json.Marshaler interface

func (*JsonResp) UnmarshalEasyJSON added in v1.1.0 

func (v *JsonResp) UnmarshalEasyJSON(l *jlexer.Lexer)

UnmarshalEasyJSON supports easyjson.Unmarshaler interface

func (*JsonResp) UnmarshalJSON added in v1.1.0 

func (v *JsonResp) UnmarshalJSON(data []byte) error

UnmarshalJSON supports json.Unmarshaler interface

type MessageHandler added in v1.1.0 

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

MessageHandler 消息处理器：统一处理消息校验、解码、路由

func GetMessageHandler added in v1.1.0 

func GetMessageHandler(cipher map[int64]crypto.Cipher, handle Handle) *MessageHandler

GetMessageHandler 从池中获取一个MessageHandler对象

func NewMessageHandler added in v1.1.0 

func NewMessageHandler(cipher map[int64]crypto.Cipher, handle Handle) *MessageHandler

func (*MessageHandler) CheckECDSASign added in v1.1.0 

func (self *MessageHandler) CheckECDSASign(usr int64, msg, sign []byte) (crypto.Cipher, error)

func (*MessageHandler) Process added in v1.1.0 

func (mh *MessageHandler) Process(connCtx *ConnectionContext, body []byte) (crypto.Cipher, interface{}, error)

type ParameterFilter 

type ParameterFilter struct{} // 参数解析过滤器

func (*ParameterFilter) DoFilter 

func (self *ParameterFilter) DoFilter(chain Filter, ctx *Context, args ...interface{}) error

DoFilter 执行参数解析和验证 从HTTP请求中解析参数并存储到上下文，供后续处理使用 如果参数解析失败，返回相应的错误信息

type Permission 

type Permission struct {
	MatchAll  bool    // true.满足所有权限角色才放行 - 1字节
	NeedLogin bool    // true.需要登录状态 - 1字节
	HasRole   []int64 // 拥有角色ID列表 - 24字节 (8+8+8)
	NeedRole  []int64 // 所需角色ID列表 - 24字节 (8+8+8)
}

Permission 结构体 - 48字节 (4个字段，8字节对齐，0字节填充) 排列优化：bool字段在前，slice字段连续排列，利用8字节对齐

type PostHandle 

type PostHandle func(*Context) error

type PostHandleFilter 

type PostHandleFilter struct{} // 后置处理过滤器

func (*PostHandleFilter) DoFilter 

func (self *PostHandleFilter) DoFilter(chain Filter, ctx *Context, args ...interface{}) error

DoFilter 执行后置处理逻辑 在业务处理完成后执行清理、日志记录等操作 确保响应的一致性和完整性

type PrivateKey added in v1.1.0 

type PrivateKey struct {
	Key string `json:"key"` // 私钥Base64编码格式
	Noc string `json:"noc"` // 随机数
}

func (PrivateKey) MarshalEasyJSON added in v1.1.0 

func (v PrivateKey) MarshalEasyJSON(w *jwriter.Writer)

MarshalEasyJSON supports easyjson.Marshaler interface

func (PrivateKey) MarshalJSON added in v1.1.0 

func (v PrivateKey) MarshalJSON() ([]byte, error)

MarshalJSON supports json.Marshaler interface

func (*PrivateKey) UnmarshalEasyJSON added in v1.1.0 

func (v *PrivateKey) UnmarshalEasyJSON(l *jlexer.Lexer)

UnmarshalEasyJSON supports easyjson.Unmarshaler interface

func (*PrivateKey) UnmarshalJSON added in v1.1.0 

func (v *PrivateKey) UnmarshalJSON(data []byte) error

UnmarshalJSON supports json.Unmarshaler interface

type PublicKey added in v1.1.0 

type PublicKey struct {
	Key string `json:"key"` // 服务端临时公钥
	Tag string `json:"tag"` // 客户端临时公钥
	Noc string `json:"noc"` // 随机数
	Sig string `json:"sig"` // 数据签名
	Exp int64  `json:"exp"` // 有效时间，单位秒
	Usr int64  `json:"usr"` // 客户端ID
}

func CreatePublicKey added in v1.1.0 

func CreatePublicKey(key, tag string, usr int64, cipher crypto.Cipher) (*PublicKey, error)

func (PublicKey) MarshalEasyJSON added in v1.1.0 

func (v PublicKey) MarshalEasyJSON(w *jwriter.Writer)

MarshalEasyJSON supports easyjson.Marshaler interface

func (PublicKey) MarshalJSON added in v1.1.0 

func (v PublicKey) MarshalJSON() ([]byte, error)

MarshalJSON supports json.Marshaler interface

func (*PublicKey) UnmarshalEasyJSON added in v1.1.0 

func (v *PublicKey) UnmarshalEasyJSON(l *jlexer.Lexer)

UnmarshalEasyJSON supports easyjson.Unmarshaler interface

func (*PublicKey) UnmarshalJSON added in v1.1.0 

func (v *PublicKey) UnmarshalJSON(data []byte) error

UnmarshalJSON supports json.Unmarshaler interface

type RenderHandleFilter 

type RenderHandleFilter struct{} // 响应渲染过滤器

func (*RenderHandleFilter) DoFilter 

func (self *RenderHandleFilter) DoFilter(chain Filter, ctx *Context, args ...interface{}) error

DoFilter 执行最终的响应渲染和输出 将处理结果序列化并输出到HTTP响应中 这是过滤器链的最后一个环节，确保响应正确返回给客户端

type Response 

type Response struct {
	Encoding          string       // 16字节 (8+8) - string字段
	ContentType       string       // 16字节 (8+8) - string字段
	ContentEntity     interface{}  // 16字节 (8+8) - interface{}字段
	StatusCode        int          // 8字节 - int字段
	ContentEntityByte bytes.Buffer // 24字节 - bytes.Buffer (包含内部字段)
}

Response 结构体 - 80字节 (5个字段，8字节对齐，0字节填充) 排列优化：string和interface{}字段在前，int字段和复杂类型字段在后

type RoleFilter 

type RoleFilter struct{} // 角色权限过滤器

func (*RoleFilter) DoFilter 

func (self *RoleFilter) DoFilter(chain Filter, ctx *Context, args ...interface{}) error

DoFilter 执行基于角色的访问控制(RBAC) 根据用户角色和API要求的权限进行访问控制验证 支持"全部匹配"和"任意匹配"两种权限验证模式

type RouteInfo added in v1.1.0 

type RouteInfo struct {
	Handle       Handle        // 业务处理器
	RouterConfig *RouterConfig // 路由配置
}

RouteInfo WebSocket路由信息结构体

type RouterConfig 

type RouterConfig struct {
	Guest       bool // 游客模式,原始请求 false.否 true.是 - 1字节
	UseRSA      bool // 非登录状态使用RSA模式请求 false.否 true.是 - 1字节
	AesRequest  bool // 请求是否必须AES加密 false.否 true.是 - 1字节
	AesResponse bool // 响应是否必须AES加密 false.否 true.是 - 1字节
}

RouterConfig 结构体 - 4字节 (4个bool字段，1字节对齐) 排列优化：bool字段自然排列，无填充问题

type SessionFilter 

type SessionFilter struct{} // 会话验证过滤器

func (*SessionFilter) DoFilter 

func (self *SessionFilter) DoFilter(chain Filter, ctx *Context, args ...interface{}) error

DoFilter 执行会话验证和身份认证 检查用户是否已登录，解析JWT令牌并验证其有效性 为已认证用户设置Subject信息，供后续过滤器使用

type System added in v1.0.116 

type System struct {
	Name    string // 系统名 - 16字节 (8+8)
	Version string // 系统版本 - 16字节 (8+8)

	AcceptTimeout int64 // 超时主动断开客户端连接,秒 - 8字节
	// contains filtered or unexported fields
}

System 结构体 - 40字节 (4个字段，8字节对齐，0字节填充) 排列优化：string字段在前，bool字段居中，int64字段在后，利用8字节对齐

type UserRateLimiterFilter 

type UserRateLimiterFilter struct{} // 用户级限流过滤器

func (*UserRateLimiterFilter) DoFilter 

func (self *UserRateLimiterFilter) DoFilter(chain Filter, ctx *Context, args ...interface{}) error

DoFilter 执行用户级限流检查 针对已认证用户进行个性化频率限制，防止恶意刷接口行为 每个用户的请求频率单独计算和限制

type WebSocketMetrics added in v1.1.0 

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

WebSocketMetrics WebSocket监控指标

type WsServer added in v1.0.146 

type WsServer struct {

	// ECC和缓存配置（用于Plan 2）
	// 8字节函数指针字段组 (5个字段，40字节)
	Cipher          map[int64]crypto.Cipher                 // 8字节 - RSA/ECDSA加密解密对象列表
	RedisCacheAware func(ds ...string) (cache.Cache, error) // 8字节 - 函数指针
	LocalCacheAware func(ds ...string) (cache.Cache, error) // 8字节 - 函数指针
	// contains filtered or unexported fields
}

WsServer WebSocket服务器核心结构体

func NewWsServer added in v1.1.0 

func NewWsServer(connUniquenessMode ConnectionUniquenessMode) *WsServer

NewWsServer 创建WebSocket服务器 connUniquenessMode: 连接唯一性模式

  • SubjectUnique: 一个用户只能有一个连接（适用于单设备应用）
  • SubjectDeviceUnique: 一个用户可以在多个设备上连接（适用于多设备场景）

func (*WsServer) AddCipher added in v1.1.0 

func (self *WsServer) AddCipher(usr int64, cipher crypto.Cipher) error

AddCipher 增加RSA/ECDSA加密解密对象

func (*WsServer) AddJwtConfig added in v1.0.146 

func (self *WsServer) AddJwtConfig(config jwt.JwtConfig) error

AddJwtConfig 添加JWT配置

func (*WsServer) AddLocalCache added in v1.1.0 

func (self *WsServer) AddLocalCache(cacheAware CacheAware)

AddLocalCache 增加本地缓存实例

func (*WsServer) AddRedisCache added in v1.1.0 

func (self *WsServer) AddRedisCache(cacheAware CacheAware)

AddRedisCache 增加redis缓存实例

func (*WsServer) AddRouter added in v1.0.146 

func (s *WsServer) AddRouter(path string, handle Handle, routerConfig *RouterConfig) error

func (*WsServer) GetCacheObject added in v1.1.0 

func (self *WsServer) GetCacheObject() (cache.Cache, error)

GetCacheObject 获取缓存对象

func (*WsServer) GetConnManager added in v1.1.0 

func (s *WsServer) GetConnManager() *ConnectionManager

GetConnManager 获取连接管理器（用于测试）

func (*WsServer) GetConnectionManager added in v1.1.0 

func (s *WsServer) GetConnectionManager() *ConnectionManager

GetConnectionManager 获取连接管理器（用于健康检查等操作）

func (*WsServer) GetMetrics added in v1.1.0 

func (s *WsServer) GetMetrics() *WebSocketMetrics

GetMetrics 获取监控指标快照

func (*WsServer) LogMetrics added in v1.1.0 

func (s *WsServer) LogMetrics()

LogMetrics 记录当前监控指标到日志

func (*WsServer) NewPool added in v1.0.146 

func (s *WsServer) NewPool(maxConn, limit, bucket, ping int) error

func (*WsServer) SetIdleTimeout added in v1.1.0 

func (s *WsServer) SetIdleTimeout(timeout time.Duration)

SetIdleTimeout 设置连接空闲超时时间

func (*WsServer) StartWebsocket added in v1.0.146 

func (s *WsServer) StartWebsocket(addr string) error

func (*WsServer) StopWebsocket added in v1.1.0 

func (s *WsServer) StopWebsocket() error

StopWebsocket 停止WebSocket服务器

func (*WsServer) StopWebsocketWithTimeout added in v1.1.0 

func (s *WsServer) StopWebsocketWithTimeout(timeout time.Duration) error

StopWebsocketWithTimeout 带超时的优雅关闭

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