mirror of
https://github.com/fluencelabs/tendermint
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* limit number of /subscribe clients and queries per client Add the following config variables (under [rpc] section): * max_subscription_clients * max_subscriptions_per_client * timeout_broadcast_tx_commit Fixes #2826 new HTTPClient interface for subscriptions finalize HTTPClient events interface remove EventSubscriber fix data race ``` WARNING: DATA RACE Read at 0x00c000a36060 by goroutine 129: github.com/tendermint/tendermint/rpc/client.(*Local).Subscribe.func1() /go/src/github.com/tendermint/tendermint/rpc/client/localclient.go:168 +0x1f0 Previous write at 0x00c000a36060 by goroutine 132: github.com/tendermint/tendermint/rpc/client.(*Local).Subscribe() /go/src/github.com/tendermint/tendermint/rpc/client/localclient.go:191 +0x4e0 github.com/tendermint/tendermint/rpc/client.WaitForOneEvent() /go/src/github.com/tendermint/tendermint/rpc/client/helpers.go:64 +0x178 github.com/tendermint/tendermint/rpc/client_test.TestTxEventsSentWithBroadcastTxSync.func1() /go/src/github.com/tendermint/tendermint/rpc/client/event_test.go:139 +0x298 testing.tRunner() /usr/local/go/src/testing/testing.go:827 +0x162 Goroutine 129 (running) created at: github.com/tendermint/tendermint/rpc/client.(*Local).Subscribe() /go/src/github.com/tendermint/tendermint/rpc/client/localclient.go:164 +0x4b7 github.com/tendermint/tendermint/rpc/client.WaitForOneEvent() /go/src/github.com/tendermint/tendermint/rpc/client/helpers.go:64 +0x178 github.com/tendermint/tendermint/rpc/client_test.TestTxEventsSentWithBroadcastTxSync.func1() /go/src/github.com/tendermint/tendermint/rpc/client/event_test.go:139 +0x298 testing.tRunner() /usr/local/go/src/testing/testing.go:827 +0x162 Goroutine 132 (running) created at: testing.(*T).Run() /usr/local/go/src/testing/testing.go:878 +0x659 github.com/tendermint/tendermint/rpc/client_test.TestTxEventsSentWithBroadcastTxSync() /go/src/github.com/tendermint/tendermint/rpc/client/event_test.go:119 +0x186 testing.tRunner() /usr/local/go/src/testing/testing.go:827 +0x162 ================== ``` lite client works (tested manually) godoc comments httpclient: do not close the out channel use TimeoutBroadcastTxCommit no timeout for unsubscribe but 1s Local (5s HTTP) timeout for resubscribe format code change Subscribe#out cap to 1 and replace config vars with RPCConfig TimeoutBroadcastTxCommit can't be greater than rpcserver.WriteTimeout rpc: Context as first parameter to all functions reformat code fixes after my own review fixes after Ethan's review add test stubs fix config.toml * fixes after manual testing - rpc: do not recommend to use BroadcastTxCommit because it's slow and wastes Tendermint resources (pubsub) - rpc: better error in Subscribe and BroadcastTxCommit - HTTPClient: do not resubscribe if err = ErrAlreadySubscribed * fixes after Ismail's review * Update rpc/grpc/grpc_test.go Co-Authored-By: melekes <anton.kalyaev@gmail.com>
254 lines
6.4 KiB
Go
254 lines
6.4 KiB
Go
package core
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import (
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"fmt"
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"github.com/pkg/errors"
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"github.com/tendermint/tendermint/p2p"
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ctypes "github.com/tendermint/tendermint/rpc/core/types"
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rpctypes "github.com/tendermint/tendermint/rpc/lib/types"
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)
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// Get network info.
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//
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// ```shell
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// curl 'localhost:26657/net_info'
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// ```
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//
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// ```go
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// client := client.NewHTTP("tcp://0.0.0.0:26657", "/websocket")
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// err := client.Start()
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// if err != nil {
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// // handle error
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// }
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// defer client.Stop()
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// info, err := client.NetInfo()
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// ```
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//
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// > The above command returns JSON structured like this:
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//
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// ```json
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// {
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// "jsonrpc": "2.0",
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// "id": "",
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// "result": {
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// "listening": true,
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// "listeners": [
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// "Listener(@)"
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// ],
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// "n_peers": "3",
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// "peers": [
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// {
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// "node_info": {
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// "protocol_version": {
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// "p2p": "7",
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// "block": "8",
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// "app": "1"
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// },
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// "id": "93529da3435c090d02251a050342b6a488d4ab56",
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// "listen_addr": "tcp://0.0.0.0:26656",
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// "network": "chain-RFo6qC",
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// "version": "0.30.0",
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// "channels": "4020212223303800",
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// "moniker": "fc89e4ed23f2",
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// "other": {
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// "tx_index": "on",
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// "rpc_address": "tcp://0.0.0.0:26657"
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// }
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// },
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// "is_outbound": true,
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// "connection_status": {
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// "Duration": "3475230558",
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// "SendMonitor": {
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// "Active": true,
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// "Start": "2019-02-14T12:40:47.52Z",
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// "Duration": "3480000000",
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// "Idle": "240000000",
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// "Bytes": "4512",
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// "Samples": "9",
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// "InstRate": "1338",
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// "CurRate": "2046",
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// "AvgRate": "1297",
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// "PeakRate": "6570",
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// "BytesRem": "0",
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// "TimeRem": "0",
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// "Progress": 0
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// },
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// "RecvMonitor": {
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// "Active": true,
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// "Start": "2019-02-14T12:40:47.52Z",
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// "Duration": "3480000000",
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// "Idle": "280000000",
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// "Bytes": "4489",
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// "Samples": "10",
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// "InstRate": "1821",
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// "CurRate": "1663",
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// "AvgRate": "1290",
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// "PeakRate": "5512",
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// "BytesRem": "0",
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// "TimeRem": "0",
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// "Progress": 0
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// },
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// "Channels": [
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// {
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// "ID": 48,
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// "SendQueueCapacity": "1",
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// "SendQueueSize": "0",
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// "Priority": "5",
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// "RecentlySent": "0"
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// },
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// {
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// "ID": 64,
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// "SendQueueCapacity": "1000",
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// "SendQueueSize": "0",
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// "Priority": "10",
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// "RecentlySent": "14"
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// },
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// {
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// "ID": 32,
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// "SendQueueCapacity": "100",
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// "SendQueueSize": "0",
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// "Priority": "5",
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// "RecentlySent": "619"
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// },
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// {
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// "ID": 33,
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// "SendQueueCapacity": "100",
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// "SendQueueSize": "0",
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// "Priority": "10",
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// "RecentlySent": "1363"
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// },
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// {
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// "ID": 34,
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// "SendQueueCapacity": "100",
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// "SendQueueSize": "0",
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// "Priority": "5",
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// "RecentlySent": "2145"
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// },
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// {
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// "ID": 35,
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// "SendQueueCapacity": "2",
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// "SendQueueSize": "0",
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// "Priority": "1",
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// "RecentlySent": "0"
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// },
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// {
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// "ID": 56,
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// "SendQueueCapacity": "1",
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// "SendQueueSize": "0",
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// "Priority": "5",
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// "RecentlySent": "0"
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// },
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// {
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// "ID": 0,
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// "SendQueueCapacity": "10",
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// "SendQueueSize": "0",
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// "Priority": "1",
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// "RecentlySent": "10"
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// }
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// ]
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// },
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// "remote_ip": "192.167.10.3"
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// },
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// ...
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// }
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// ```
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func NetInfo(ctx *rpctypes.Context) (*ctypes.ResultNetInfo, error) {
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out, in, _ := p2pPeers.NumPeers()
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peers := make([]ctypes.Peer, 0, out+in)
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for _, peer := range p2pPeers.Peers().List() {
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nodeInfo, ok := peer.NodeInfo().(p2p.DefaultNodeInfo)
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if !ok {
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return nil, fmt.Errorf("peer.NodeInfo() is not DefaultNodeInfo")
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}
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peers = append(peers, ctypes.Peer{
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NodeInfo: nodeInfo,
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IsOutbound: peer.IsOutbound(),
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ConnectionStatus: peer.Status(),
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RemoteIP: peer.RemoteIP().String(),
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})
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}
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// TODO: Should we include PersistentPeers and Seeds in here?
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// PRO: useful info
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// CON: privacy
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return &ctypes.ResultNetInfo{
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Listening: p2pTransport.IsListening(),
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Listeners: p2pTransport.Listeners(),
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NPeers: len(peers),
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Peers: peers,
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}, nil
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}
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func UnsafeDialSeeds(ctx *rpctypes.Context, seeds []string) (*ctypes.ResultDialSeeds, error) {
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if len(seeds) == 0 {
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return &ctypes.ResultDialSeeds{}, errors.New("No seeds provided")
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}
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// starts go routines to dial each peer after random delays
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logger.Info("DialSeeds", "addrBook", addrBook, "seeds", seeds)
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err := p2pPeers.DialPeersAsync(addrBook, seeds, false)
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if err != nil {
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return &ctypes.ResultDialSeeds{}, err
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}
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return &ctypes.ResultDialSeeds{Log: "Dialing seeds in progress. See /net_info for details"}, nil
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}
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func UnsafeDialPeers(ctx *rpctypes.Context, peers []string, persistent bool) (*ctypes.ResultDialPeers, error) {
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if len(peers) == 0 {
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return &ctypes.ResultDialPeers{}, errors.New("No peers provided")
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}
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// starts go routines to dial each peer after random delays
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logger.Info("DialPeers", "addrBook", addrBook, "peers", peers, "persistent", persistent)
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err := p2pPeers.DialPeersAsync(addrBook, peers, persistent)
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if err != nil {
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return &ctypes.ResultDialPeers{}, err
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}
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return &ctypes.ResultDialPeers{Log: "Dialing peers in progress. See /net_info for details"}, nil
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}
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// Get genesis file.
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//
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// ```shell
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// curl 'localhost:26657/genesis'
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// ```
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//
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// ```go
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// client := client.NewHTTP("tcp://0.0.0.0:26657", "/websocket")
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// err := client.Start()
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// if err != nil {
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// // handle error
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// }
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// defer client.Stop()
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// genesis, err := client.Genesis()
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// ```
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//
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// > The above command returns JSON structured like this:
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//
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// ```json
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// {
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// "error": "",
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// "result": {
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// "genesis": {
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// "app_hash": "",
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// "validators": [
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// {
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// "name": "",
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// "power": "10",
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// "pub_key": {
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// "data": "68DFDA7E50F82946E7E8546BED37944A422CD1B831E70DF66BA3B8430593944D",
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// "type": "ed25519"
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// }
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// }
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// ],
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// "chain_id": "test-chain-6UTNIN",
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// "genesis_time": "2017-05-29T15:05:41.671Z"
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// }
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// },
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// "id": "",
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// "jsonrpc": "2.0"
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// }
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// ```
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func Genesis(ctx *rpctypes.Context) (*ctypes.ResultGenesis, error) {
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return &ctypes.ResultGenesis{Genesis: genDoc}, nil
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}
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