Revision c4a1cfc5c29f2f3f89bdb995184a34cdf3484c91 authored by Anton Kaliaev on 07 December 2018, 08:28:02 UTC, committed by GitHub on 07 December 2018, 08:28:02 UTC
Fixes #2912
1 parent 0f96bea
client.go
package proxy
import (
"sync"
"github.com/pkg/errors"
abcicli "github.com/tendermint/tendermint/abci/client"
"github.com/tendermint/tendermint/abci/example/kvstore"
"github.com/tendermint/tendermint/abci/types"
)
// NewABCIClient returns newly connected client
type ClientCreator interface {
NewABCIClient() (abcicli.Client, error)
}
//----------------------------------------------------
// local proxy uses a mutex on an in-proc app
type localClientCreator struct {
mtx *sync.Mutex
app types.Application
}
func NewLocalClientCreator(app types.Application) ClientCreator {
return &localClientCreator{
mtx: new(sync.Mutex),
app: app,
}
}
func (l *localClientCreator) NewABCIClient() (abcicli.Client, error) {
return abcicli.NewLocalClient(l.mtx, l.app), nil
}
//---------------------------------------------------------------
// remote proxy opens new connections to an external app process
type remoteClientCreator struct {
addr string
transport string
mustConnect bool
}
func NewRemoteClientCreator(addr, transport string, mustConnect bool) ClientCreator {
return &remoteClientCreator{
addr: addr,
transport: transport,
mustConnect: mustConnect,
}
}
func (r *remoteClientCreator) NewABCIClient() (abcicli.Client, error) {
remoteApp, err := abcicli.NewClient(r.addr, r.transport, r.mustConnect)
if err != nil {
return nil, errors.Wrap(err, "Failed to connect to proxy")
}
return remoteApp, nil
}
//-----------------------------------------------------------------
// default
func DefaultClientCreator(addr, transport, dbDir string) ClientCreator {
switch addr {
case "kvstore":
fallthrough
case "dummy":
return NewLocalClientCreator(kvstore.NewKVStoreApplication())
case "persistent_kvstore":
fallthrough
case "persistent_dummy":
return NewLocalClientCreator(kvstore.NewPersistentKVStoreApplication(dbDir))
case "nilapp":
return NewLocalClientCreator(types.NewBaseApplication())
default:
mustConnect := false // loop retrying
return NewRemoteClientCreator(addr, transport, mustConnect)
}
}
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