rpc-go/client/client-handler.go
crusader 6729b0465a ing
2018-05-02 17:47:34 +09:00

119 lines
2.6 KiB
Go

package client
import (
"fmt"
"sync/atomic"
"time"
rpc "git.loafle.net/commons/rpc-go"
"git.loafle.net/commons/rpc-go/protocol"
"git.loafle.net/commons/rpc-go/registry"
csc "git.loafle.net/commons/server-go/client"
)
type ClientHandler interface {
GetName() string
GetConnector() csc.Connector
GetRPCCodec() protocol.ClientCodec
GetRPCInvoker() registry.RPCInvoker
GetPendingRequestCount() int
GetRequestTimeout() time.Duration
ClientCtx() ClientCtx
Init(clientCtx ClientCtx) error
OnStart(clientCtx ClientCtx) error
OnStop(clientCtx ClientCtx)
Destroy(clientCtx ClientCtx)
Validate() error
}
type ClientHandlers struct {
// Client name for sending in response headers.
//
// Default client name is used if left blank.
Name string `json:"name,omitempty"`
Connector csc.Connector `json:"-"`
RPCCodec protocol.ClientCodec `json:"-"`
RPCInvoker registry.RPCInvoker `json:"-"`
PendingRequestCount int `json:"pendingRequests,omitempty"`
RequestTimeout time.Duration `json:"requestTimeout,omitempty"`
validated atomic.Value
}
func (ch *ClientHandlers) ClientCtx() ClientCtx {
return NewClientCtx(nil)
}
func (ch *ClientHandlers) Init(clientCtx ClientCtx) error {
return nil
}
func (ch *ClientHandlers) OnStart(clientCtx ClientCtx) error {
return nil
}
func (ch *ClientHandlers) OnStop(clientCtx ClientCtx) {
}
func (ch *ClientHandlers) Destroy(clientCtx ClientCtx) {
}
func (ch *ClientHandlers) GetName() string {
return ch.Name
}
func (ch *ClientHandlers) GetConnector() csc.Connector {
return ch.Connector
}
func (ch *ClientHandlers) GetRPCCodec() protocol.ClientCodec {
return ch.RPCCodec
}
func (ch *ClientHandlers) GetRPCInvoker() registry.RPCInvoker {
return ch.RPCInvoker
}
func (ch *ClientHandlers) GetPendingRequestCount() int {
return ch.PendingRequestCount
}
func (ch *ClientHandlers) GetRequestTimeout() time.Duration {
return ch.RequestTimeout
}
func (ch *ClientHandlers) Validate() error {
if nil != ch.validated.Load() {
return nil
}
ch.validated.Store(true)
if "" == ch.Name {
ch.Name = "Client"
}
if 0 >= ch.PendingRequestCount {
ch.PendingRequestCount = rpc.DefaultPendingRequestCount
}
if ch.RequestTimeout <= 0 {
ch.RequestTimeout = rpc.DefaultRequestTimeout
} else {
ch.RequestTimeout = ch.RequestTimeout * time.Second
}
if nil == ch.RPCCodec {
return fmt.Errorf("RPCCodec is not valid")
}
if nil == ch.Connector {
return fmt.Errorf("Connector is not valid")
}
if err := ch.Connector.Validate(); nil != err {
return err
}
return nil
}