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.
137 lines
4.1 KiB
137 lines
4.1 KiB
package abcicli
|
|
|
|
import (
|
|
"fmt"
|
|
"sync"
|
|
|
|
"github.com/tendermint/tendermint/abci/types"
|
|
"github.com/tendermint/tendermint/libs/service"
|
|
)
|
|
|
|
const (
|
|
dialRetryIntervalSeconds = 3
|
|
echoRetryIntervalSeconds = 1
|
|
)
|
|
|
|
// Client defines an interface for an ABCI client.
|
|
// All `Async` methods return a `ReqRes` object.
|
|
// All `Sync` methods return the appropriate protobuf ResponseXxx struct and an error.
|
|
// Note these are client errors, eg. ABCI socket connectivity issues.
|
|
// Application-related errors are reflected in response via ABCI error codes and logs.
|
|
type Client interface {
|
|
service.Service
|
|
|
|
SetResponseCallback(Callback)
|
|
Error() error
|
|
|
|
FlushAsync() *ReqRes
|
|
EchoAsync(msg string) *ReqRes
|
|
InfoAsync(types.RequestInfo) *ReqRes
|
|
SetOptionAsync(types.RequestSetOption) *ReqRes
|
|
DeliverTxAsync(types.RequestDeliverTx) *ReqRes
|
|
CheckTxAsync(types.RequestCheckTx) *ReqRes
|
|
QueryAsync(types.RequestQuery) *ReqRes
|
|
CommitAsync() *ReqRes
|
|
InitChainAsync(types.RequestInitChain) *ReqRes
|
|
BeginBlockAsync(types.RequestBeginBlock) *ReqRes
|
|
EndBlockAsync(types.RequestEndBlock) *ReqRes
|
|
ListSnapshotsAsync(types.RequestListSnapshots) *ReqRes
|
|
OfferSnapshotAsync(types.RequestOfferSnapshot) *ReqRes
|
|
LoadSnapshotChunkAsync(types.RequestLoadSnapshotChunk) *ReqRes
|
|
ApplySnapshotChunkAsync(types.RequestApplySnapshotChunk) *ReqRes
|
|
|
|
FlushSync() error
|
|
EchoSync(msg string) (*types.ResponseEcho, error)
|
|
InfoSync(types.RequestInfo) (*types.ResponseInfo, error)
|
|
SetOptionSync(types.RequestSetOption) (*types.ResponseSetOption, error)
|
|
DeliverTxSync(types.RequestDeliverTx) (*types.ResponseDeliverTx, error)
|
|
CheckTxSync(types.RequestCheckTx) (*types.ResponseCheckTx, error)
|
|
QuerySync(types.RequestQuery) (*types.ResponseQuery, error)
|
|
CommitSync() (*types.ResponseCommit, error)
|
|
InitChainSync(types.RequestInitChain) (*types.ResponseInitChain, error)
|
|
BeginBlockSync(types.RequestBeginBlock) (*types.ResponseBeginBlock, error)
|
|
EndBlockSync(types.RequestEndBlock) (*types.ResponseEndBlock, error)
|
|
ListSnapshotsSync(types.RequestListSnapshots) (*types.ResponseListSnapshots, error)
|
|
OfferSnapshotSync(types.RequestOfferSnapshot) (*types.ResponseOfferSnapshot, error)
|
|
LoadSnapshotChunkSync(types.RequestLoadSnapshotChunk) (*types.ResponseLoadSnapshotChunk, error)
|
|
ApplySnapshotChunkSync(types.RequestApplySnapshotChunk) (*types.ResponseApplySnapshotChunk, error)
|
|
}
|
|
|
|
//----------------------------------------
|
|
|
|
// NewClient returns a new ABCI client of the specified transport type.
|
|
// It returns an error if the transport is not "socket" or "grpc"
|
|
func NewClient(addr, transport string, mustConnect bool) (client Client, err error) {
|
|
switch transport {
|
|
case "socket":
|
|
client = NewSocketClient(addr, mustConnect)
|
|
case "grpc":
|
|
client = NewGRPCClient(addr, mustConnect)
|
|
default:
|
|
err = fmt.Errorf("unknown abci transport %s", transport)
|
|
}
|
|
return
|
|
}
|
|
|
|
//----------------------------------------
|
|
|
|
type Callback func(*types.Request, *types.Response)
|
|
|
|
//----------------------------------------
|
|
|
|
type ReqRes struct {
|
|
*types.Request
|
|
*sync.WaitGroup
|
|
*types.Response // Not set atomically, so be sure to use WaitGroup.
|
|
|
|
mtx sync.Mutex
|
|
done bool // Gets set to true once *after* WaitGroup.Done().
|
|
cb func(*types.Response) // A single callback that may be set.
|
|
}
|
|
|
|
func NewReqRes(req *types.Request) *ReqRes {
|
|
return &ReqRes{
|
|
Request: req,
|
|
WaitGroup: waitGroup1(),
|
|
Response: nil,
|
|
|
|
done: false,
|
|
cb: nil,
|
|
}
|
|
}
|
|
|
|
// Sets the callback for this ReqRes atomically.
|
|
// If reqRes is already done, calls cb immediately.
|
|
// NOTE: reqRes.cb should not change if reqRes.done.
|
|
// NOTE: only one callback is supported.
|
|
func (reqRes *ReqRes) SetCallback(cb func(res *types.Response)) {
|
|
reqRes.mtx.Lock()
|
|
|
|
if reqRes.done {
|
|
reqRes.mtx.Unlock()
|
|
cb(reqRes.Response)
|
|
return
|
|
}
|
|
|
|
reqRes.cb = cb
|
|
reqRes.mtx.Unlock()
|
|
}
|
|
|
|
func (reqRes *ReqRes) GetCallback() func(*types.Response) {
|
|
reqRes.mtx.Lock()
|
|
defer reqRes.mtx.Unlock()
|
|
return reqRes.cb
|
|
}
|
|
|
|
// NOTE: it should be safe to read reqRes.cb without locks after this.
|
|
func (reqRes *ReqRes) SetDone() {
|
|
reqRes.mtx.Lock()
|
|
reqRes.done = true
|
|
reqRes.mtx.Unlock()
|
|
}
|
|
|
|
func waitGroup1() (wg *sync.WaitGroup) {
|
|
wg = &sync.WaitGroup{}
|
|
wg.Add(1)
|
|
return
|
|
}
|