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package proxy
import (
"context"
"time"
"github.com/go-kit/kit/metrics"
abciclient "github.com/tendermint/tendermint/abci/client"
"github.com/tendermint/tendermint/abci/types"
)
//go:generate ../../scripts/mockery_generate.sh AppConnConsensus|AppConnMempool|AppConnQuery|AppConnSnapshot
//----------------------------------------------------------------------------------------
// Enforce which abci msgs can be sent on a connection at the type level
type AppConnConsensus interface {
SetResponseCallback(abciclient.Callback)
Error() error
InitChain(context.Context, types.RequestInitChain) (*types.ResponseInitChain, error)
BeginBlock(context.Context, types.RequestBeginBlock) (*types.ResponseBeginBlock, error)
DeliverTx(context.Context, types.RequestDeliverTx) (*types.ResponseDeliverTx, error)
EndBlock(context.Context, types.RequestEndBlock) (*types.ResponseEndBlock, error)
Commit(context.Context) (*types.ResponseCommit, error)
}
type AppConnMempool interface {
SetResponseCallback(abciclient.Callback)
Error() error
CheckTxAsync(context.Context, types.RequestCheckTx) (*abciclient.ReqRes, error)
CheckTx(context.Context, types.RequestCheckTx) (*types.ResponseCheckTx, error)
FlushAsync(context.Context) (*abciclient.ReqRes, error)
Flush(context.Context) error
}
type AppConnQuery interface {
Error() error
Echo(context.Context, string) (*types.ResponseEcho, error)
Info(context.Context, types.RequestInfo) (*types.ResponseInfo, error)
Query(context.Context, types.RequestQuery) (*types.ResponseQuery, error)
}
type AppConnSnapshot interface {
Error() error
ListSnapshots(context.Context, types.RequestListSnapshots) (*types.ResponseListSnapshots, error)
OfferSnapshot(context.Context, types.RequestOfferSnapshot) (*types.ResponseOfferSnapshot, error)
LoadSnapshotChunk(context.Context, types.RequestLoadSnapshotChunk) (*types.ResponseLoadSnapshotChunk, error)
ApplySnapshotChunk(context.Context, types.RequestApplySnapshotChunk) (*types.ResponseApplySnapshotChunk, error)
}
//-----------------------------------------------------------------------------------------
// Implements AppConnConsensus (subset of abciclient.Client)
type appConnConsensus struct {
metrics *Metrics
appConn abciclient.Client
}
func NewAppConnConsensus(appConn abciclient.Client, metrics *Metrics) AppConnConsensus {
return &appConnConsensus{
metrics: metrics,
appConn: appConn,
}
}
func (app *appConnConsensus) SetResponseCallback(cb abciclient.Callback) {
app.appConn.SetResponseCallback(cb)
}
func (app *appConnConsensus) Error() error {
return app.appConn.Error()
}
func (app *appConnConsensus) InitChain(
ctx context.Context,
req types.RequestInitChain,
) (*types.ResponseInitChain, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "init_chain", "type", "sync"))()
return app.appConn.InitChain(ctx, req)
}
func (app *appConnConsensus) BeginBlock(
ctx context.Context,
req types.RequestBeginBlock,
) (*types.ResponseBeginBlock, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "begin_block", "type", "sync"))()
return app.appConn.BeginBlock(ctx, req)
}
func (app *appConnConsensus) DeliverTx(
ctx context.Context,
req types.RequestDeliverTx,
) (*types.ResponseDeliverTx, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "deliver_tx", "type", "sync"))()
return app.appConn.DeliverTx(ctx, req)
}
func (app *appConnConsensus) EndBlock(
ctx context.Context,
req types.RequestEndBlock,
) (*types.ResponseEndBlock, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "deliver_tx", "type", "sync"))()
return app.appConn.EndBlock(ctx, req)
}
func (app *appConnConsensus) Commit(ctx context.Context) (*types.ResponseCommit, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "commit", "type", "sync"))()
return app.appConn.Commit(ctx)
}
//------------------------------------------------
// Implements AppConnMempool (subset of abciclient.Client)
type appConnMempool struct {
metrics *Metrics
appConn abciclient.Client
}
func NewAppConnMempool(appConn abciclient.Client, metrics *Metrics) AppConnMempool {
return &appConnMempool{
metrics: metrics,
appConn: appConn,
}
}
func (app *appConnMempool) SetResponseCallback(cb abciclient.Callback) {
app.appConn.SetResponseCallback(cb)
}
func (app *appConnMempool) Error() error {
return app.appConn.Error()
}
func (app *appConnMempool) FlushAsync(ctx context.Context) (*abciclient.ReqRes, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "flush", "type", "async"))()
return app.appConn.FlushAsync(ctx)
}
func (app *appConnMempool) Flush(ctx context.Context) error {
defer addTimeSample(app.metrics.MethodTiming.With("method", "flush", "type", "sync"))()
return app.appConn.Flush(ctx)
}
func (app *appConnMempool) CheckTxAsync(ctx context.Context, req types.RequestCheckTx) (*abciclient.ReqRes, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "check_tx", "type", "async"))()
return app.appConn.CheckTxAsync(ctx, req)
}
func (app *appConnMempool) CheckTx(ctx context.Context, req types.RequestCheckTx) (*types.ResponseCheckTx, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "check_tx", "type", "sync"))()
return app.appConn.CheckTx(ctx, req)
}
//------------------------------------------------
// Implements AppConnQuery (subset of abciclient.Client)
type appConnQuery struct {
metrics *Metrics
appConn abciclient.Client
}
func NewAppConnQuery(appConn abciclient.Client, metrics *Metrics) AppConnQuery {
return &appConnQuery{
metrics: metrics,
appConn: appConn,
}
}
func (app *appConnQuery) Error() error {
return app.appConn.Error()
}
func (app *appConnQuery) Echo(ctx context.Context, msg string) (*types.ResponseEcho, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "echo", "type", "sync"))()
return app.appConn.Echo(ctx, msg)
}
func (app *appConnQuery) Info(ctx context.Context, req types.RequestInfo) (*types.ResponseInfo, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "info", "type", "sync"))()
return app.appConn.Info(ctx, req)
}
func (app *appConnQuery) Query(ctx context.Context, reqQuery types.RequestQuery) (*types.ResponseQuery, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "query", "type", "sync"))()
return app.appConn.Query(ctx, reqQuery)
}
//------------------------------------------------
// Implements AppConnSnapshot (subset of abciclient.Client)
type appConnSnapshot struct {
metrics *Metrics
appConn abciclient.Client
}
func NewAppConnSnapshot(appConn abciclient.Client, metrics *Metrics) AppConnSnapshot {
return &appConnSnapshot{
metrics: metrics,
appConn: appConn,
}
}
func (app *appConnSnapshot) Error() error {
return app.appConn.Error()
}
func (app *appConnSnapshot) ListSnapshots(
ctx context.Context,
req types.RequestListSnapshots,
) (*types.ResponseListSnapshots, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "list_snapshots", "type", "sync"))()
return app.appConn.ListSnapshots(ctx, req)
}
func (app *appConnSnapshot) OfferSnapshot(
ctx context.Context,
req types.RequestOfferSnapshot,
) (*types.ResponseOfferSnapshot, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "offer_snapshot", "type", "sync"))()
return app.appConn.OfferSnapshot(ctx, req)
}
func (app *appConnSnapshot) LoadSnapshotChunk(
ctx context.Context,
req types.RequestLoadSnapshotChunk) (*types.ResponseLoadSnapshotChunk, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "load_snapshot_chunk", "type", "sync"))()
return app.appConn.LoadSnapshotChunk(ctx, req)
}
func (app *appConnSnapshot) ApplySnapshotChunk(
ctx context.Context,
req types.RequestApplySnapshotChunk) (*types.ResponseApplySnapshotChunk, error) {
defer addTimeSample(app.metrics.MethodTiming.With("method", "apply_snapshot_chunk", "type", "sync"))()
return app.appConn.ApplySnapshotChunk(ctx, req)
}
// addTimeSample returns a function that, when called, adds an observation to m.
// The observation added to m is the number of seconds ellapsed since addTimeSample
// was initially called. addTimeSample is meant to be called in a defer to calculate
// the amount of time a function takes to complete.
func addTimeSample(m metrics.Histogram) func() {
start := time.Now()
return func() { m.Observe(time.Since(start).Seconds()) }
}