7 "github.com/tendermint/abci/types"
8 cmn "github.com/tendermint/tmlibs/common"
11 type Client interface {
14 SetResponseCallback(Callback)
18 EchoAsync(msg string) *ReqRes
19 InfoAsync(types.RequestInfo) *ReqRes
20 SetOptionAsync(key string, value string) *ReqRes
21 DeliverTxAsync(tx []byte) *ReqRes
22 CheckTxAsync(tx []byte) *ReqRes
23 QueryAsync(types.RequestQuery) *ReqRes
27 EchoSync(msg string) (res types.Result)
28 InfoSync(types.RequestInfo) (resInfo types.ResponseInfo, err error)
29 SetOptionSync(key string, value string) (res types.Result)
30 DeliverTxSync(tx []byte) (res types.Result)
31 CheckTxSync(tx []byte) (res types.Result)
32 QuerySync(types.RequestQuery) (resQuery types.ResponseQuery, err error)
33 CommitSync() (res types.Result)
35 InitChainAsync(types.RequestInitChain) *ReqRes
36 BeginBlockAsync(types.RequestBeginBlock) *ReqRes
37 EndBlockAsync(height uint64) *ReqRes
39 InitChainSync(types.RequestInitChain) (err error)
40 BeginBlockSync(types.RequestBeginBlock) (err error)
41 EndBlockSync(height uint64) (resEndBlock types.ResponseEndBlock, err error)
44 //----------------------------------------
46 // NewClient returns a new ABCI client of the specified transport type.
47 // It returns an error if the transport is not "socket" or "grpc"
48 func NewClient(addr, transport string, mustConnect bool) (client Client, err error) {
51 client = NewSocketClient(addr, mustConnect)
53 client = NewGRPCClient(addr, mustConnect)
55 err = fmt.Errorf("Unknown abci transport %s", transport)
60 //----------------------------------------
62 type Callback func(*types.Request, *types.Response)
64 //----------------------------------------
69 *types.Response // Not set atomically, so be sure to use WaitGroup.
72 done bool // Gets set to true once *after* WaitGroup.Done().
73 cb func(*types.Response) // A single callback that may be set.
76 func NewReqRes(req *types.Request) *ReqRes {
79 WaitGroup: waitGroup1(),
87 // Sets the callback for this ReqRes atomically.
88 // If reqRes is already done, calls cb immediately.
89 // NOTE: reqRes.cb should not change if reqRes.done.
90 // NOTE: only one callback is supported.
91 func (reqRes *ReqRes) SetCallback(cb func(res *types.Response)) {
100 defer reqRes.mtx.Unlock()
104 func (reqRes *ReqRes) GetCallback() func(*types.Response) {
106 defer reqRes.mtx.Unlock()
110 // NOTE: it should be safe to read reqRes.cb without locks after this.
111 func (reqRes *ReqRes) SetDone() {
117 func waitGroup1() (wg *sync.WaitGroup) {
118 wg = &sync.WaitGroup{}