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protocols/: Implement Direct Connection Upgrade through Relay (DCUtR) (…
…#2438) Enables two peers to coordinate a hole punch (direct connection upgrade) via a relayed connection. See https://github.com/libp2p/specs/blob/master/relay/DCUtR.md for specification.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| // Copyright 2021 Protocol Labs. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a | ||
| // copy of this software and associated documentation files (the "Software"), | ||
| // to deal in the Software without restriction, including without limitation | ||
| // the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
| // and/or sell copies of the Software, and to permit persons to whom the | ||
| // Software is furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | ||
| // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
| // DEALINGS IN THE SOFTWARE. | ||
|
|
||
| use prometheus_client::encoding::text::Encode; | ||
| use prometheus_client::metrics::counter::Counter; | ||
| use prometheus_client::metrics::family::Family; | ||
| use prometheus_client::registry::Registry; | ||
|
|
||
| pub struct Metrics { | ||
| events: Family<EventLabels, Counter>, | ||
| } | ||
|
|
||
| impl Metrics { | ||
| pub fn new(registry: &mut Registry) -> Self { | ||
| let sub_registry = registry.sub_registry_with_prefix("relay"); | ||
|
|
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| let events = Family::default(); | ||
| sub_registry.register( | ||
| "events", | ||
| "Events emitted by the relay NetworkBehaviour", | ||
| Box::new(events.clone()), | ||
| ); | ||
|
|
||
| Self { events } | ||
| } | ||
| } | ||
|
|
||
| #[derive(Debug, Clone, Hash, PartialEq, Eq, Encode)] | ||
| struct EventLabels { | ||
| event: EventType, | ||
| } | ||
|
|
||
| #[derive(Debug, Clone, Hash, PartialEq, Eq, Encode)] | ||
| enum EventType { | ||
| InitiateDirectConnectionUpgrade, | ||
| RemoteInitiatedDirectConnectionUpgrade, | ||
| DirectConnectionUpgradeSucceeded, | ||
| DirectConnectionUpgradeFailed, | ||
| } | ||
|
|
||
| impl From<&libp2p_dcutr::behaviour::Event> for EventType { | ||
| fn from(event: &libp2p_dcutr::behaviour::Event) -> Self { | ||
| match event { | ||
| libp2p_dcutr::behaviour::Event::InitiatedDirectConnectionUpgrade { | ||
| remote_peer_id: _, | ||
| local_relayed_addr: _, | ||
| } => EventType::InitiateDirectConnectionUpgrade, | ||
| libp2p_dcutr::behaviour::Event::RemoteInitiatedDirectConnectionUpgrade { | ||
| remote_peer_id: _, | ||
| remote_relayed_addr: _, | ||
| } => EventType::RemoteInitiatedDirectConnectionUpgrade, | ||
| libp2p_dcutr::behaviour::Event::DirectConnectionUpgradeSucceeded { | ||
| remote_peer_id: _, | ||
| } => EventType::DirectConnectionUpgradeSucceeded, | ||
| libp2p_dcutr::behaviour::Event::DirectConnectionUpgradeFailed { | ||
| remote_peer_id: _, | ||
| error: _, | ||
| } => EventType::DirectConnectionUpgradeFailed, | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl super::Recorder<libp2p_dcutr::behaviour::Event> for super::Metrics { | ||
| fn record(&self, event: &libp2p_dcutr::behaviour::Event) { | ||
| self.dcutr | ||
| .events | ||
| .get_or_create(&EventLabels { | ||
| event: event.into(), | ||
| }) | ||
| .inc(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| [package] | ||
| name = "libp2p-dcutr" | ||
| edition = "2021" | ||
| rust-version = "1.56.1" | ||
| description = "Direct connection upgrade through relay" | ||
| version = "0.1.0" | ||
| authors = ["Max Inden <[email protected]>"] | ||
| license = "MIT" | ||
| repository = "https://github.com/libp2p/rust-libp2p" | ||
| keywords = ["peer-to-peer", "libp2p", "networking"] | ||
| categories = ["network-programming", "asynchronous"] | ||
|
|
||
| [dependencies] | ||
| asynchronous-codec = "0.6" | ||
| bytes = "1" | ||
| either = "1.6.0" | ||
| futures = "0.3.1" | ||
| futures-timer = "3.0" | ||
| instant = "0.1.11" | ||
| libp2p-core = { version = "0.32", path = "../../core" } | ||
| libp2p-swarm = { version = "0.34", path = "../../swarm" } | ||
| log = "0.4" | ||
| prost = "0.7" | ||
| thiserror = "1.0" | ||
| unsigned-varint = { version = "0.7", features = ["asynchronous_codec"] } | ||
| void = "1" | ||
|
|
||
| [build-dependencies] | ||
| prost-build = "0.7" | ||
|
|
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| [dev-dependencies] | ||
| env_logger = "0.8.3" | ||
| libp2p = { path = "../..", features = ["dcutr"] } | ||
| libp2p-identify = { path = "../identify" } | ||
| libp2p-plaintext = { path = "../../transports/plaintext" } | ||
| libp2p-relay = { path = "../relay" } | ||
| libp2p-yamux = { path = "../../muxers/yamux" } | ||
| rand = "0.7" | ||
| structopt = "0.3.21" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| // Copyright 2021 Protocol Labs. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a | ||
| // copy of this software and associated documentation files (the "Software"), | ||
| // to deal in the Software without restriction, including without limitation | ||
| // the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
| // and/or sell copies of the Software, and to permit persons to whom the | ||
| // Software is furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | ||
| // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
| // DEALINGS IN THE SOFTWARE. | ||
|
|
||
| fn main() { | ||
| prost_build::compile_protos(&["src/message.proto"], &["src"]).unwrap(); | ||
| } |
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