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nnet/protocol/nnet.go

72 lines
2.1 KiB
Go

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package protocol
import (
"encoding/json"
"git.noahlan.cn/noahlan/nnet/core"
"git.noahlan.cn/noahlan/nnet/entity"
"git.noahlan.cn/noahlan/nnet/middleware"
"git.noahlan.cn/noahlan/nnet/packet"
"git.noahlan.cn/noahlan/ntools-go/core/nlog"
"time"
)
type (
NNetConfig struct {
HeartbeatInterval time.Duration
HandshakeValidator HandshakeValidatorFunc
HandshakeAckBuilder HandshakeAckBuilderFunc
}
handshakeData struct {
Version string `json:"version"` // 客户端版本,服务器以此判断是否合适与客户端通信
Type string `json:"type"` // 客户端类型,与客户端版本号一起来确定客户端是否合适
ClientId string `json:"clientId"` // 客户端ID服务器以此取值
ClientSecret string `json:"clientSecret"` // 客户端密钥,服务器以此判定客户端是否可用
// 透传信息
Payload interface{} `json:"payload,optional,omitempty"`
}
HandshakeAckData struct {
// 心跳间隔,单位秒 0表示不需要心跳
Heartbeat int64 `json:"heartbeat"`
// 路由
Routes map[string]uint16 `json:"routes"` // route map to code
Codes map[uint16]string `json:"codes"` // code map to route
// 透传信息
Payload interface{} `json:"payload,optional,omitempty"`
}
)
func WithNNetProtocol(config NNetConfig) []core.RunOption {
if config.HandshakeValidator == nil {
config.HandshakeValidator = func(bytes []byte) error { return nil }
}
if config.HandshakeAckBuilder == nil {
config.HandshakeAckBuilder = func() ([]byte, error) {
defaultData := &HandshakeAckData{}
return json.Marshal(defaultData)
}
}
opts := []core.RunOption{
WithNNetPipeline(config.HandshakeAckBuilder, config.HandshakeValidator),
core.WithRouter(NewNNetRouter()),
core.WithPacker(func() packet.Packer { return NewNNetPacker() }),
}
if config.HeartbeatInterval.Seconds() > 0 {
packer := NewNNetPacker()
hbd, err := packer.Pack(Handshake, nil)
nlog.Must(err)
opts = append(opts, middleware.WithHeartbeat(config.HeartbeatInterval, func(_ entity.NetworkEntity) []byte {
return hbd
}))
}
return opts
}