68 Commits

Author SHA1 Message Date
Pierre Krieger
b81100c2f6
Parsing mDNS packet failure: warn -> debug (#1978)
Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
2021-02-25 15:41:47 +01:00
Roman Borschel
6499e924a3
Make clippy "happy". (#1950)
* Make clippy "happy".

Address all clippy complaints that are not purely stylistic (or even
have corner cases with false positives). Ignore all "style" and "pedantic" lints.

* Fix tests.

* Undo unnecessary API change.
2021-02-15 11:59:51 +01:00
David Craven
23b0aa016f
Stack allocated PeerId (#1874)
* Stack allocate PeerId.

* Update stuff.

* Upgrade rusttls to fix build.

* Remove unnecessary manual implementations.

* Remove PeerId::into_bytes.

* Remove bytes dependency.

* Perform some cleanup.

* Use Into<kbucket::Key<K>>.

* Update versions and changelogs.

* Fix PR link.

* Fix benchmarks.

Co-authored-by: Roman S. Borschel <roman@parity.io>
2020-12-15 14:40:39 +01:00
Roman Borschel
4c1657ea0f
[mdns] Split response packets if necessary. (#1877)
* [mdns] Split response packets.

Prevent MDNS response packets becoming too large by creating
multi-packet responses. Also skip addresses that don't fit
into a TXT record or contain invalid characters.

* Update protocols/mdns/src/dns.rs

Co-authored-by: Max Inden <mail@max-inden.de>

* Refactor response packet construction.

* Update mdns changelog.

Co-authored-by: Max Inden <mail@max-inden.de>
2020-12-08 11:47:35 +01:00
David Craven
505a17dfc2
Adds support for handling interface changes to mdns behaviour. (#1830)
* mdns: handle address changes.

* Update examples.

* Use async-io.

* Fix tokio-chat.

* Address review comments.

* Update if-watch.

* Poll interfaces correctly.

* Use socket2 and remove wasm-time.

* Update if-watch.

* Update versions and changelogs.

* Further changelog updates.

Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
Co-authored-by: Roman S. Borschel <roman@parity.io>
2020-12-03 13:30:52 +01:00
Max Inden
e3af8b7d03
*: Apply clippy suggestions and enable clippy on CI (#1850)
* *: Apply clippy suggestions

* .github: Add clippy check

* protocols/kad/record: Implement custom PartialEq for ProviderRecord
2020-11-24 15:59:22 +01:00
Volker Mische
3f38c1c8bb
feat: upgrade multihash (#1792)
* feat: upgrade to multihash 0.13

`multihash` changes a lot internally, it is using stack allocation instead
of heap allocation. This leads to a few limitations in regards on how
`Multihash` can be used.

Therefore `PeerId` is now using a `Bytes` internally so that only minimal
changes are needed.

* Update versions and changelogs.

Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
Co-authored-by: Roman S. Borschel <roman@parity.io>
2020-11-17 11:15:20 +01:00
dependabot[bot]
c812b8d56c
Update tokio requirement from 0.2 to 0.3 (#1796)
* Update tokio requirement from 0.2 to 0.3

Updates the requirements on [tokio](https://github.com/tokio-rs/tokio) to permit the latest version.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-0.2.0...tokio-0.3.0)

Signed-off-by: dependabot[bot] <support@github.com>

* protocols/mdns: Ensure to set non_blocking on tokio udp socket

* transports/tcp: Ensure to set non_blocking on tokio tcp socket

See https://github.com/tokio-rs/tokio/pull/3016 for details.

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Max Inden <mail@max-inden.de>
2020-11-03 14:09:10 +01:00
Qinxuan Chen
b74285a8fb
protocols/tcp: Replace get_if_addrs with if-addrs (#1788)
Signed-off-by: koushiro <koushiro.cqx@gmail.com>
2020-10-09 14:18:39 +02:00
Robert Klotzner
fe30849eec
Fix #1778: Double mdns recv_buffer to 4096 bytes (#1779)
Also add warn if parsing of a packet fails, so problems with for example packet
sizes can more easily be detected.

Reasoning:

The previous 2048 bytes is already larger than the recommend size by
[rfc6762](https://tools.ietf.org/html/rfc6762#page-46), which recommends
a packet size that fits within the interface MTU.

Nevertheless the rfc also states, that if more data needs to be
transmitted one should rely on IP fragments, which would only pose
problems when interfacing with devices not understanding IP fragments.
The standard also imposes a strict upper limit of 9000 bytes.

Therefore raising `recv_buffer` to 4096 seems sensible, given that we
already exceed the recommend size and given that we are not restricting
the size when sending in any way. Meaning the implementation already
sends packets larger than recommended, just can't handle them on
reception.
2020-10-05 10:03:21 +02:00
Max Inden
cbdbf656c0
protocols/mdns: Make libp2p-mdns socket agnostic (#1699)
Allow libp2p-mdns to use either async-std or tokio to drive required UDP
socket.

Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
2020-08-18 14:51:03 +02:00
Demi Obenour
9178459cc8
Automatic fixes by cargo-fix (#1662) 2020-07-27 22:27:33 +02:00
Roman Borschel
be970466b3
Full support for multiple connections per peer in libp2p-swarm. (#1519)
* [libp2p-swarm] Make the multiple connections per peer first-class.

This commit makes the notion of multiple connections per peer
first-class in the API of libp2p-swarm, introducing the new
callbacks `inject_connection_established` and
`inject_connection_closed`. The `endpoint` parameter from
`inject_connected` and `inject_disconnected` is removed,
since the first connection to open may not be the last
connection to close, i.e. it cannot be guaranteed,
as was previously the case, that the endpoints passed
to these callbacks match up.

* Have identify track all addresses.

So that identify requests can be answered with the correct
observed address of the connection on which the request
arrives.

* Cleanup

* Cleanup

* Improve the `Peer` state API.

* Remove connection ID from `SwarmEvent::Dialing`.

* Mark `DialPeerCondition` non-exhaustive.

* Re-encapsulate `NetworkConfig`.

To retain the possibility of not re-exposing all
network configuration choices, thereby providing
a more convenient API on the \`SwarmBuilder\`.

* Rework Swarm::dial API.

* Update CHANGELOG.

* Doc formatting tweaks.
2020-03-31 15:41:13 +02:00
Robert Klotzner
5a6111070e
Fix typo in doc (#1503) 2020-03-23 12:51:20 +01:00
Pierre Krieger
10089c5f46
Use upstream version of multihash instead of a fork (#1472)
The changes from the libp2p fork have been backported to upstream, hence
upstream can now be used instead.
2020-03-05 16:49:36 +01:00
Roman Borschel
8337687b3a
Multiple connections per peer (#1440)
* Allow multiple connections per peer in libp2p-core.

Instead of trying to enforce a single connection per peer,
which involves quite a bit of additional complexity e.g.
to prioritise simultaneously opened connections and can
have other undesirable consequences [1], we now
make multiple connections per peer a feature.

The gist of these changes is as follows:

The concept of a "node" with an implicit 1-1 correspondence
to a connection has been replaced with the "first-class"
concept of a "connection". The code from `src/nodes` has moved
(with varying degrees of modification) to `src/connection`.
A `HandledNode` has become a `Connection`, a `NodeHandler` a
`ConnectionHandler`, the `CollectionStream` was the basis for
the new `connection::Pool`, and so forth.

Conceptually, a `Network` contains a `connection::Pool` which
in turn internally employs the `connection::Manager` for
handling the background `connection::manager::Task`s, one
per connection, as before. These are all considered implementation
details. On the public API, `Peer`s are managed as before through
the `Network`, except now the API has changed with the shift of focus
to (potentially multiple) connections per peer. The `NetworkEvent`s have
accordingly also undergone changes.

The Swarm APIs remain largely unchanged, except for the fact that
`inject_replaced` is no longer called. It may now practically happen
that multiple `ProtocolsHandler`s are associated with a single
`NetworkBehaviour`, one per connection. If implementations of
`NetworkBehaviour` rely somehow on communicating with exactly
one `ProtocolsHandler`, this may cause issues, but it is unlikely.

[1]: https://github.com/paritytech/substrate/issues/4272

* Fix intra-rustdoc links.

* Update core/src/connection/pool.rs

Co-Authored-By: Max Inden <mail@max-inden.de>

* Address some review feedback and fix doc links.

* Allow responses to be sent on the same connection.

* Remove unnecessary remainders of inject_replaced.

* Update swarm/src/behaviour.rs

Co-Authored-By: Pierre Krieger <pierre.krieger1708@gmail.com>

* Update swarm/src/lib.rs

Co-Authored-By: Pierre Krieger <pierre.krieger1708@gmail.com>

* Update core/src/connection/manager.rs

Co-Authored-By: Pierre Krieger <pierre.krieger1708@gmail.com>

* Update core/src/connection/manager.rs

Co-Authored-By: Pierre Krieger <pierre.krieger1708@gmail.com>

* Update core/src/connection/pool.rs

Co-Authored-By: Pierre Krieger <pierre.krieger1708@gmail.com>

* Incorporate more review feedback.

* Move module declaration below imports.

* Update core/src/connection/manager.rs

Co-Authored-By: Toralf Wittner <tw@dtex.org>

* Update core/src/connection/manager.rs

Co-Authored-By: Toralf Wittner <tw@dtex.org>

* Simplify as per review.

* Fix rustoc link.

* Add try_notify_handler and simplify.

* Relocate DialingConnection and DialingAttempt.

For better visibility constraints.

* Small cleanup.

* Small cleanup. More robust EstablishedConnectionIter.

* Clarify semantics of `DialingPeer::connect`.

* Don't call inject_disconnected on InvalidPeerId.

To preserve the previous behavior and ensure calls to
`inject_disconnected` are always paired with calls to
`inject_connected`.

* Provide public ConnectionId constructor.

Mainly needed for testing purposes, e.g. in substrate.

* Move the established connection limit check to the right place.

* Clean up connection error handling.

Separate connection errors into those occuring during
connection setup or upon rejecting a newly established
connection (the `PendingConnectionError`) and those
errors occurring on previously established connections,
i.e. for which a `ConnectionEstablished` event has
been emitted by the connection pool earlier.

* Revert change in log level and clarify an invariant.

* Remove inject_replaced entirely.

* Allow notifying all connection handlers.

Thereby simplify by introducing a new enum `NotifyHandler`,
used with a single constructor `NetworkBehaviourAction::NotifyHandler`.

* Finishing touches.

Small API simplifications and code deduplication.
Some more useful debug logging.

Co-authored-by: Max Inden <mail@max-inden.de>
Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>
Co-authored-by: Toralf Wittner <tw@dtex.org>
2020-03-04 13:49:25 +01:00
Pierre Krieger
7cbb3cf8f3
Add Mdns::discovered_nodes (#1480) 2020-03-02 17:11:28 +01:00
vms
688aa5bc79
Move mdns (#1458)
* move mdns

* alphabetic ordering in Cargo.toml

Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>
2020-02-24 19:36:55 +01:00