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rust-libp2p/protocols/request-response/Cargo.toml

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Add libp2p-request-response protocol. (#1596) * Add the libp2p-request-response protocol. This crate provides a generic implementation for request/response protocols, whereby each request is sent on a new substream. * Fix OneShotHandler usage in floodsub. * Custom ProtocolsHandler and multiple protocols. 1. Implement a custom ProtocolsHandler instead of using the OneShotHandler for better control and error handling. In particular, all request/response sending/receiving is kept in the substreams upgrades and thus the background task of a connection. 2. Support multiple protocols (usually protocol versions) with a single `RequestResponse` instance, with configurable inbound/outbound support. * Small doc clarification. * Remove unnecessary Sync bounds. * Remove redundant Clone constraint. * Update protocols/request-response/Cargo.toml Co-authored-by: Toralf Wittner <tw@dtex.org> * Update dev-dependencies. * Update Cargo.tomls. * Add changelog. * Remove Sync bound from RequestResponseCodec::Protocol. Apparently the compiler just needs some help with the scope of borrows, which is unfortunate. * Try async-trait. * Allow checking whether a ResponseChannel is still open. Also expand the commentary on `send_response` to indicate that responses may be discard if they come in too late. * Add `RequestResponse::is_pending`. As an analogue of `ResponseChannel::is_open` for outbound requests. * Revert now unnecessary changes to the OneShotHandler. Since `libp2p-request-response` is no longer using it. * Update CHANGELOG for libp2p-swarm. Co-authored-by: Toralf Wittner <tw@dtex.org>
2020-06-29 17:08:40 +02:00
[package]
name = "libp2p-request-response"
edition = "2018"
description = "Generic Request/Response Protocols"
Add `ProtocolsHandler::InboundOpenInfo`. (#1714) * Add `ProtocolsHandler::InboundOpenInfo`. * Update swarm/src/protocols_handler/multi.rs Co-authored-by: Roman Borschel <romanb@users.noreply.github.com> * Update CHANGELOGs and versions. Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
2020-08-23 16:57:20 +02:00
version = "0.3.0"
Add libp2p-request-response protocol. (#1596) * Add the libp2p-request-response protocol. This crate provides a generic implementation for request/response protocols, whereby each request is sent on a new substream. * Fix OneShotHandler usage in floodsub. * Custom ProtocolsHandler and multiple protocols. 1. Implement a custom ProtocolsHandler instead of using the OneShotHandler for better control and error handling. In particular, all request/response sending/receiving is kept in the substreams upgrades and thus the background task of a connection. 2. Support multiple protocols (usually protocol versions) with a single `RequestResponse` instance, with configurable inbound/outbound support. * Small doc clarification. * Remove unnecessary Sync bounds. * Remove redundant Clone constraint. * Update protocols/request-response/Cargo.toml Co-authored-by: Toralf Wittner <tw@dtex.org> * Update dev-dependencies. * Update Cargo.tomls. * Add changelog. * Remove Sync bound from RequestResponseCodec::Protocol. Apparently the compiler just needs some help with the scope of borrows, which is unfortunate. * Try async-trait. * Allow checking whether a ResponseChannel is still open. Also expand the commentary on `send_response` to indicate that responses may be discard if they come in too late. * Add `RequestResponse::is_pending`. As an analogue of `ResponseChannel::is_open` for outbound requests. * Revert now unnecessary changes to the OneShotHandler. Since `libp2p-request-response` is no longer using it. * Update CHANGELOG for libp2p-swarm. Co-authored-by: Toralf Wittner <tw@dtex.org>
2020-06-29 17:08:40 +02:00
authors = ["Parity Technologies <admin@parity.io>"]
license = "MIT"
repository = "https://github.com/libp2p/rust-libp2p"
keywords = ["peer-to-peer", "libp2p", "networking"]
categories = ["network-programming", "asynchronous"]
[dependencies]
async-trait = "0.1"
Restore `RequestResponse::throttled`. (#1726) * Restore `RequestResponse::throttled`. In contrast to the existing "throttled" approach this PR adds back- pressure to the protocol without requiring pre-existing knowledge of all nodes about their limits. It adds small, CBOR-encoded headers to the actual payload data. Extra credit messages communicate back to the sender how many more requests it is allowed to send. * Remove some noise. * Resend credit grant after connection closed. Should an error in some lower layer cause a connection to be closed, our previously sent credit grant may not have reached the remote peer. Therefore, pessimistically, a credit grant is resent whenever a connection is closed. The remote ignores duplicate grants. * Remove inbound/outbound tracking per peer. * Send ACK as response to duplicate credit grants. * Simplify. * Fix grammar. * Incorporate review feedback. - Remove `ResponseSent` which was a leftover from previous attemps and issue a credit grant immediately in `send_response`. - Only resend credit grants after a connection is closed if we are still connected to this peer. * Move codec/header.rs to throttled/codec.rs. * More review suggestions. * Generalise `ProtocolWrapper` and use shorter prefix. * Update protocols/request-response/src/lib.rs Co-authored-by: Roman Borschel <romanb@users.noreply.github.com> * Update protocols/request-response/src/throttled.rs Co-authored-by: Roman Borschel <romanb@users.noreply.github.com> * Update protocols/request-response/src/throttled.rs Co-authored-by: Roman Borschel <romanb@users.noreply.github.com> * Minor comment changes. * Limit max. header size to 8KiB * Always construct initial limit with 1. Since honest senders always assume a send budget of 1 and wait for credit afterwards, setting the default limit to a higher value can only become effective after informing the peer about it which means leaving `max_recv` at 1 and setting `next_max` to the desired value. Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
2020-09-07 17:22:40 +02:00
bytes = "0.5.6"
Add libp2p-request-response protocol. (#1596) * Add the libp2p-request-response protocol. This crate provides a generic implementation for request/response protocols, whereby each request is sent on a new substream. * Fix OneShotHandler usage in floodsub. * Custom ProtocolsHandler and multiple protocols. 1. Implement a custom ProtocolsHandler instead of using the OneShotHandler for better control and error handling. In particular, all request/response sending/receiving is kept in the substreams upgrades and thus the background task of a connection. 2. Support multiple protocols (usually protocol versions) with a single `RequestResponse` instance, with configurable inbound/outbound support. * Small doc clarification. * Remove unnecessary Sync bounds. * Remove redundant Clone constraint. * Update protocols/request-response/Cargo.toml Co-authored-by: Toralf Wittner <tw@dtex.org> * Update dev-dependencies. * Update Cargo.tomls. * Add changelog. * Remove Sync bound from RequestResponseCodec::Protocol. Apparently the compiler just needs some help with the scope of borrows, which is unfortunate. * Try async-trait. * Allow checking whether a ResponseChannel is still open. Also expand the commentary on `send_response` to indicate that responses may be discard if they come in too late. * Add `RequestResponse::is_pending`. As an analogue of `ResponseChannel::is_open` for outbound requests. * Revert now unnecessary changes to the OneShotHandler. Since `libp2p-request-response` is no longer using it. * Update CHANGELOG for libp2p-swarm. Co-authored-by: Toralf Wittner <tw@dtex.org>
2020-06-29 17:08:40 +02:00
futures = "0.3.1"
Set development versions appropriately and update changelogs.
2020-09-03 12:31:04 +02:00
libp2p-core = { version = "0.22.0", path = "../../core" }
Add `ProtocolsHandler::InboundOpenInfo`. (#1714) * Add `ProtocolsHandler::InboundOpenInfo`. * Update swarm/src/protocols_handler/multi.rs Co-authored-by: Roman Borschel <romanb@users.noreply.github.com> * Update CHANGELOGs and versions. Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
2020-08-23 16:57:20 +02:00
libp2p-swarm = { version = "0.22.0", path = "../../swarm" }
Add `Throttled` to libp2p-request-response. (#1696) * Use a single exchange instead of two one_shots. * Add `Throttled` to libp2p-request-response. Wraps the existing `RequestResponse` behaviour and applies strict limits to the number of inbound and outbound requests per peer. The wrapper is opt-in and if not used, the protocol behaviour of `RequestResponse` does not change. This PR also does not introduce an extra protocol, hence the limits applied need to be known a priori for all nodes which is not always possible or desirable. As mentioned in #1687 I think that we should eventually augment the protocol with metadata which allows a more dynamic exchange of requests and responses. This PR also replaces the two oneshot channels with a single one from the scambio crate which saves one allocation per request/response. If not desirable because the crate has seen less testing the first commit could be reverted. * Fix rustdoc error. * Remove some leftovers from development. * Add docs to `NetworBehaviourAction::{map_in,map_out}`. * Apply suggestions from code review Co-authored-by: Roman Borschel <romanb@users.noreply.github.com> * Add `ping_protocol_throttled` test. * Add another test. * Revert "Use a single exchange instead of two one_shots." This reverts commit e34e1297d411298f6c69e238aa6c96e0b795d989. # Conflicts: # protocols/request-response/Cargo.toml # protocols/request-response/src/handler/protocol.rs * Update CHANGELOG. * Update CHANGELOG. Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
2020-08-12 16:04:54 +02:00
log = "0.4.11"
Restore `RequestResponse::throttled`. (#1726) * Restore `RequestResponse::throttled`. In contrast to the existing "throttled" approach this PR adds back- pressure to the protocol without requiring pre-existing knowledge of all nodes about their limits. It adds small, CBOR-encoded headers to the actual payload data. Extra credit messages communicate back to the sender how many more requests it is allowed to send. * Remove some noise. * Resend credit grant after connection closed. Should an error in some lower layer cause a connection to be closed, our previously sent credit grant may not have reached the remote peer. Therefore, pessimistically, a credit grant is resent whenever a connection is closed. The remote ignores duplicate grants. * Remove inbound/outbound tracking per peer. * Send ACK as response to duplicate credit grants. * Simplify. * Fix grammar. * Incorporate review feedback. - Remove `ResponseSent` which was a leftover from previous attemps and issue a credit grant immediately in `send_response`. - Only resend credit grants after a connection is closed if we are still connected to this peer. * Move codec/header.rs to throttled/codec.rs. * More review suggestions. * Generalise `ProtocolWrapper` and use shorter prefix. * Update protocols/request-response/src/lib.rs Co-authored-by: Roman Borschel <romanb@users.noreply.github.com> * Update protocols/request-response/src/throttled.rs Co-authored-by: Roman Borschel <romanb@users.noreply.github.com> * Update protocols/request-response/src/throttled.rs Co-authored-by: Roman Borschel <romanb@users.noreply.github.com> * Minor comment changes. * Limit max. header size to 8KiB * Always construct initial limit with 1. Since honest senders always assume a send budget of 1 and wait for credit afterwards, setting the default limit to a higher value can only become effective after informing the peer about it which means leaving `max_recv` at 1 and setting `next_max` to the desired value. Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
2020-09-07 17:22:40 +02:00
minicbor = { version = "0.5", features = ["std", "derive"] }
Add `Throttled` to libp2p-request-response. (#1696) * Use a single exchange instead of two one_shots. * Add `Throttled` to libp2p-request-response. Wraps the existing `RequestResponse` behaviour and applies strict limits to the number of inbound and outbound requests per peer. The wrapper is opt-in and if not used, the protocol behaviour of `RequestResponse` does not change. This PR also does not introduce an extra protocol, hence the limits applied need to be known a priori for all nodes which is not always possible or desirable. As mentioned in #1687 I think that we should eventually augment the protocol with metadata which allows a more dynamic exchange of requests and responses. This PR also replaces the two oneshot channels with a single one from the scambio crate which saves one allocation per request/response. If not desirable because the crate has seen less testing the first commit could be reverted. * Fix rustdoc error. * Remove some leftovers from development. * Add docs to `NetworBehaviourAction::{map_in,map_out}`. * Apply suggestions from code review Co-authored-by: Roman Borschel <romanb@users.noreply.github.com> * Add `ping_protocol_throttled` test. * Add another test. * Revert "Use a single exchange instead of two one_shots." This reverts commit e34e1297d411298f6c69e238aa6c96e0b795d989. # Conflicts: # protocols/request-response/Cargo.toml # protocols/request-response/src/handler/protocol.rs * Update CHANGELOG. * Update CHANGELOG. Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
2020-08-12 16:04:54 +02:00
rand = "0.7"
Add libp2p-request-response protocol. (#1596) * Add the libp2p-request-response protocol. This crate provides a generic implementation for request/response protocols, whereby each request is sent on a new substream. * Fix OneShotHandler usage in floodsub. * Custom ProtocolsHandler and multiple protocols. 1. Implement a custom ProtocolsHandler instead of using the OneShotHandler for better control and error handling. In particular, all request/response sending/receiving is kept in the substreams upgrades and thus the background task of a connection. 2. Support multiple protocols (usually protocol versions) with a single `RequestResponse` instance, with configurable inbound/outbound support. * Small doc clarification. * Remove unnecessary Sync bounds. * Remove redundant Clone constraint. * Update protocols/request-response/Cargo.toml Co-authored-by: Toralf Wittner <tw@dtex.org> * Update dev-dependencies. * Update Cargo.tomls. * Add changelog. * Remove Sync bound from RequestResponseCodec::Protocol. Apparently the compiler just needs some help with the scope of borrows, which is unfortunate. * Try async-trait. * Allow checking whether a ResponseChannel is still open. Also expand the commentary on `send_response` to indicate that responses may be discard if they come in too late. * Add `RequestResponse::is_pending`. As an analogue of `ResponseChannel::is_open` for outbound requests. * Revert now unnecessary changes to the OneShotHandler. Since `libp2p-request-response` is no longer using it. * Update CHANGELOG for libp2p-swarm. Co-authored-by: Toralf Wittner <tw@dtex.org>
2020-06-29 17:08:40 +02:00
smallvec = "1.4"
Restore `RequestResponse::throttled`. (#1726) * Restore `RequestResponse::throttled`. In contrast to the existing "throttled" approach this PR adds back- pressure to the protocol without requiring pre-existing knowledge of all nodes about their limits. It adds small, CBOR-encoded headers to the actual payload data. Extra credit messages communicate back to the sender how many more requests it is allowed to send. * Remove some noise. * Resend credit grant after connection closed. Should an error in some lower layer cause a connection to be closed, our previously sent credit grant may not have reached the remote peer. Therefore, pessimistically, a credit grant is resent whenever a connection is closed. The remote ignores duplicate grants. * Remove inbound/outbound tracking per peer. * Send ACK as response to duplicate credit grants. * Simplify. * Fix grammar. * Incorporate review feedback. - Remove `ResponseSent` which was a leftover from previous attemps and issue a credit grant immediately in `send_response`. - Only resend credit grants after a connection is closed if we are still connected to this peer. * Move codec/header.rs to throttled/codec.rs. * More review suggestions. * Generalise `ProtocolWrapper` and use shorter prefix. * Update protocols/request-response/src/lib.rs Co-authored-by: Roman Borschel <romanb@users.noreply.github.com> * Update protocols/request-response/src/throttled.rs Co-authored-by: Roman Borschel <romanb@users.noreply.github.com> * Update protocols/request-response/src/throttled.rs Co-authored-by: Roman Borschel <romanb@users.noreply.github.com> * Minor comment changes. * Limit max. header size to 8KiB * Always construct initial limit with 1. Since honest senders always assume a send budget of 1 and wait for credit afterwards, setting the default limit to a higher value can only become effective after informing the peer about it which means leaving `max_recv` at 1 and setting `next_max` to the desired value. Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
2020-09-07 17:22:40 +02:00
unsigned-varint = { version = "0.5", features = ["std", "futures"] }
Add libp2p-request-response protocol. (#1596) * Add the libp2p-request-response protocol. This crate provides a generic implementation for request/response protocols, whereby each request is sent on a new substream. * Fix OneShotHandler usage in floodsub. * Custom ProtocolsHandler and multiple protocols. 1. Implement a custom ProtocolsHandler instead of using the OneShotHandler for better control and error handling. In particular, all request/response sending/receiving is kept in the substreams upgrades and thus the background task of a connection. 2. Support multiple protocols (usually protocol versions) with a single `RequestResponse` instance, with configurable inbound/outbound support. * Small doc clarification. * Remove unnecessary Sync bounds. * Remove redundant Clone constraint. * Update protocols/request-response/Cargo.toml Co-authored-by: Toralf Wittner <tw@dtex.org> * Update dev-dependencies. * Update Cargo.tomls. * Add changelog. * Remove Sync bound from RequestResponseCodec::Protocol. Apparently the compiler just needs some help with the scope of borrows, which is unfortunate. * Try async-trait. * Allow checking whether a ResponseChannel is still open. Also expand the commentary on `send_response` to indicate that responses may be discard if they come in too late. * Add `RequestResponse::is_pending`. As an analogue of `ResponseChannel::is_open` for outbound requests. * Revert now unnecessary changes to the OneShotHandler. Since `libp2p-request-response` is no longer using it. * Update CHANGELOG for libp2p-swarm. Co-authored-by: Toralf Wittner <tw@dtex.org>
2020-06-29 17:08:40 +02:00
wasm-timer = "0.2"
[dev-dependencies]
async-std = "1.6.2"
libp2p-noise = { path = "../noise" }
libp2p-tcp = { path = "../../transports/tcp", features = ["async-std"] }
libp2p-yamux = { path = "../../muxers/yamux" }
rand = "0.7"
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