hotgo/server/internal/library/network/tcp/context.go

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package tcp
import (
"context"
"github.com/gogf/gf/v2/net/gtcp"
"github.com/gogf/gf/v2/net/gtrace"
"hotgo/internal/consts"
)
// initCtx 初始化上下文对象指针到上下文对象中,以便后续的请求流程中可以修改
func initCtx(ctx context.Context, model *Context) (newCtx context.Context, cancel context.CancelFunc) {
if model.TraceID != "" {
newCtx, _ = gtrace.WithTraceID(ctx, model.TraceID)
} else {
newCtx = ctx
}
newCtx = context.WithValue(newCtx, consts.ContextTCPKey, model)
newCtx, cancel = context.WithCancel(newCtx)
return
}
// SetCtx 设置上下文变量
func SetCtx(ctx context.Context, model *Context) {
context.WithValue(ctx, consts.ContextTCPKey, model)
}
// GetCtx 获得上下文变量如果没有设置那么返回nil
func GetCtx(ctx context.Context) *Context {
value := ctx.Value(consts.ContextTCPKey)
if value == nil {
return nil
}
if localCtx, ok := value.(*Context); ok {
return localCtx
}
return nil
}
// GetCtxConn .
func GetCtxConn(ctx context.Context) *gtcp.Conn {
c := GetCtx(ctx)
if c == nil {
return nil
}
return c.Conn
}
// GetCtxAuth 认证元数据
func GetCtxAuth(ctx context.Context) *AuthMeta {
c := GetCtx(ctx)
if c == nil {
return nil
}
return c.Auth
}