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e13b4386ff
`abci.Client`:
- Sync and Async methods now accept a context for cancellation
* grpc client uses context to cancel both Sync and Async requests
* local client ignores context parameter
* socket client uses context to cancel Sync requests and to drop Async requests before sending them if context was cancelled prior to that
- Async methods return an error
* socket client returns an error immediately if queue is full for Async requests
* local client always returns nil error
* grpc client returns an error if context was cancelled before we got response or the receiving queue had a space for response (do not confuse with the sending queue from the socket client)
- specify clients semantics in [doc.go](https://raw.githubusercontent.com/tendermint/tendermint/27112fffa62276bc016d56741f686f0f77931748/abci/client/doc.go)
`mempool.TxInfo`
- add optional `Context` to `TxInfo`, which can be used to cancel `CheckTx` request
Closes #5190
30 lines
955 B
Go
30 lines
955 B
Go
// Package abcicli provides an ABCI implementation in Go.
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//
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// There are 3 clients available:
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// 1. socket (unix or TCP)
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// 2. local (in memory)
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// 3. gRPC
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//
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// ## Socket client
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//
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// async: the client maintains an internal buffer of a fixed size. when the
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// buffer becomes full, all Async calls will return an error immediately.
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//
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// sync: the client blocks on 1) enqueuing the Sync request 2) enqueuing the
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// Flush requests 3) waiting for the Flush response
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//
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// ## Local client
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//
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// async: global mutex is locked during each call (meaning it's not really async!)
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// sync: global mutex is locked during each call
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//
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// ## gRPC client
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//
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// async: gRPC is synchronous, but an internal buffer of a fixed size is used
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// to store responses and later call callbacks (separate goroutine per
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// response).
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//
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// sync: waits for all Async calls to complete (essentially what Flush does in
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// the socket client) and calls Sync method.
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package abcicli
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