You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
2.7 KiB
88 lines
2.7 KiB
package proxy
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
abcicli "github.com/tendermint/tendermint/abci/client"
|
|
"github.com/tendermint/tendermint/abci/example/counter"
|
|
"github.com/tendermint/tendermint/abci/example/kvstore"
|
|
"github.com/tendermint/tendermint/abci/types"
|
|
tmsync "github.com/tendermint/tendermint/libs/sync"
|
|
)
|
|
|
|
// ClientCreator creates new ABCI clients.
|
|
type ClientCreator interface {
|
|
// NewABCIClient returns a new ABCI client.
|
|
NewABCIClient() (abcicli.Client, error)
|
|
}
|
|
|
|
//----------------------------------------------------
|
|
// local proxy uses a mutex on an in-proc app
|
|
|
|
type localClientCreator struct {
|
|
mtx *tmsync.RWMutex
|
|
app types.Application
|
|
}
|
|
|
|
// NewLocalClientCreator returns a ClientCreator for the given app,
|
|
// which will be running locally.
|
|
func NewLocalClientCreator(app types.Application) ClientCreator {
|
|
return &localClientCreator{
|
|
mtx: new(tmsync.RWMutex),
|
|
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
|
|
}
|
|
|
|
// NewRemoteClientCreator returns a ClientCreator for the given address (e.g.
|
|
// "192.168.0.1") and transport (e.g. "tcp"). Set mustConnect to true if you
|
|
// want the client to connect before reporting success.
|
|
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, fmt.Errorf("failed to connect to proxy: %w", err)
|
|
}
|
|
|
|
return remoteApp, nil
|
|
}
|
|
|
|
// DefaultClientCreator returns a default ClientCreator, which will create a
|
|
// local client if addr is one of: 'counter', 'counter_serial', 'kvstore',
|
|
// 'persistent_kvstore' or 'noop', otherwise - a remote client.
|
|
func DefaultClientCreator(addr, transport, dbDir string) ClientCreator {
|
|
switch addr {
|
|
case "counter":
|
|
return NewLocalClientCreator(counter.NewApplication(false))
|
|
case "counter_serial":
|
|
return NewLocalClientCreator(counter.NewApplication(true))
|
|
case "kvstore":
|
|
return NewLocalClientCreator(kvstore.NewApplication())
|
|
case "persistent_kvstore":
|
|
return NewLocalClientCreator(kvstore.NewPersistentKVStoreApplication(dbDir))
|
|
case "noop":
|
|
return NewLocalClientCreator(types.NewBaseApplication())
|
|
default:
|
|
mustConnect := false // loop retrying
|
|
return NewRemoteClientCreator(addr, transport, mustConnect)
|
|
}
|
|
}
|