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2095 Commits

Author SHA1 Message Date
Deirdre Connolly fee75b5da8 Add SeedService 
This may need some cleaning up, but this is the first iteration to appease the compiler.
 2019-11-12 22:39:47 -05:00
Deirdre Connolly 0ac1b663fe Keep sets of initial peers as Strings in config file 2019-11-12 22:39:47 -05:00
Deirdre Connolly b5bbef5c47 Default init seed nodes based on network choice 
And more flushed out but incomplete
 2019-11-12 22:39:47 -05:00
dependabot-preview[bot] 7b739b3c16 Bump thiserror from 1.0.4 to 1.0.5 
Bumps [thiserror](https://github.com/dtolnay/thiserror) from 1.0.4 to 1.0.5.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](https://github.com/dtolnay/thiserror/compare/1.0.4...1.0.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-11-09 18:55:46 -08:00
dependabot-preview[bot] 78b243e955 Bump tower-load from `fac5c36` to `52dbdda` 
Bumps [tower-load](https://github.com/tower-rs/tower) from `fac5c36` to `52dbdda`.
- [Release notes](https://github.com/tower-rs/tower/releases)
- [Commits](fac5c361a4...52dbdda23d)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-11-02 11:27:35 -07:00
dependabot-preview[bot] ec2db11ebe Bump toml from 0.5.4 to 0.5.5 
Bumps [toml](https://github.com/alexcrichton/toml-rs) from 0.5.4 to 0.5.5.
- [Release notes](https://github.com/alexcrichton/toml-rs/releases)
- [Commits](https://github.com/alexcrichton/toml-rs/compare/0.5.4...0.5.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2019-11-01 10:20:57 -07:00
Deirdre Connolly a322566694 Add Cargo.lock 
To allow Dependabot to operate correctly.
 2019-10-30 18:15:29 -04:00
Henry de Valence f588f5d368 Remove connect loop 2019-10-26 19:54:17 -04:00
Deirdre Connolly dadc13feb4 Create README.md 2019-10-25 12:58:30 -04:00
Henry de Valence d8ba22e7a2 Update zebra-network Monodraw diagram. 
Also, add the source file to the repo.
 2019-10-24 15:06:02 -07:00
Deirdre Connolly bb77e509ea Comment out suspicious run line 2019-10-24 16:50:34 -04:00
Henry de Valence 7a09223ddb Fix typos. 
Co-authored-by: Deirdre Connolly <deirdre@zfnd.org>
 2019-10-22 19:43:44 -07:00
Henry de Valence 28a24fa91b Import and update the previous design.md. 2019-10-22 19:43:44 -07:00
Henry de Valence 47ec2e2689 Remove stub discover module. 2019-10-22 19:06:08 -07:00
Henry de Valence c3ec235a5b Suppress unused import warnings. 2019-10-22 19:06:08 -07:00
Henry de Valence ed2ee9d42f Add a PeerConnector wrapper around PeerHandshake 2019-10-22 19:06:08 -07:00
Henry de Valence 9e2678d76c Rename PeerConnector to PeerHandshake. 
It's only responsible for doing the handshakes, so it should be named that way,
and then we can have a Connector responsible for actually opening the TCP
connection.
 2019-10-22 19:06:08 -07:00
Henry de Valence 121cea610b Unlink peer spans from their creation details. 2019-10-22 19:06:08 -07:00
Henry de Valence 6faebe844c Make zebra-network::Config toml-able. 
The toml serializer function we are using -- maybe because of to_string_pretty
(?) barfs on structs that mix ordering of simple values and "tables", so just
keep all the Durations to the end.
 2019-10-22 19:06:08 -07:00
Henry de Valence 0833d31ec7 Use a timer to add peers by interval. 2019-10-22 19:06:08 -07:00
Henry de Valence 9a779a639f Add a timeout for peer handshakes. 2019-10-22 19:06:08 -07:00
Henry de Valence 027bdc8465 Rework initial crawler logic. 
This splits out the connection handling code into a try_connect closure, which
could be refactored into a Service of its own.

On creation, when we are likely to have very few peers, launch many concurrent
connections to the first few candidates in the initial candidate set, before
continuing to grow the peer set according to demand signals.
 2019-10-22 19:06:08 -07:00
Henry de Valence e1a35490af Move the CandidateSet to its own file. 
Co-authored-by: Deirdre Connolly <deirdre@zfnd.org>
 2019-10-22 19:06:08 -07:00
Henry de Valence 2f3292759f Add an explicit tracing span to each address book. 
Co-authored-by: Deirdre Connolly <deirdre@zfnd.org>
 2019-10-22 19:06:08 -07:00
Henry de Valence e0e17a4719 Send an initial request for peers on launching crawler. 
Co-authored-by: Deirdre Connolly <deirdre@zfnd.org>
 2019-10-22 19:06:08 -07:00
Henry de Valence b1832ce593 Initial work to add a crawl-and-dial task. 
This responds to peerset demand by connecting to additional peers.

Co-authored-by: Deirdre Connolly <deirdre@zfnd.org>
 2019-10-22 19:06:08 -07:00
Henry de Valence 4055eb8889 bugfix: ensure the PeerServer always calls fail_with before exit 
This caused a panic in the PeerSet when remote peers disconnected from us.
 2019-10-22 17:55:09 -04:00
Deirdre Connolly 32aea0cbf9 Add useful docstrings 2019-10-21 15:55:18 -04:00
Deirdre Connolly 3de34290e6 Construct LIVE_PEER_DURATION from other timeout and interval constants 
Use constants::HEARTBEAT_INTERVAL in our ping generator, add a test to check that LIVE_PEER_DURATION
is consistent with the other constants.
 2019-10-21 15:55:18 -04:00
Deirdre Connolly 8588c44bcf Add a comment about not cloning the server channel any more than we are 2019-10-21 15:55:18 -04:00
Deirdre Connolly 61a07c67ef Inside tokio::spawn, loop over Iterator stream and send ClientRequest 
msgs on the channel instead

Related to #49
 2019-10-21 15:55:18 -04:00
Deirdre Connolly e65f5a05ea Broken: I can't seem to return either an impl Future or Result to satisfy for_each 2019-10-21 15:55:18 -04:00
Deirdre Connolly 3548998980 Set server state to Failed if a response to a heartbeat Ping never comes 2019-10-21 15:55:18 -04:00
Deirdre Connolly adffc4239d Partially complete heartbeats to peer 2019-10-21 15:55:18 -04:00
Henry de Valence 62e423bad8 Update zebra-network/src/address_book.rs 
Co-Authored-By: Deirdre Connolly <deirdre@zfnd.org>
 2019-10-21 14:40:03 -04:00
Henry de Valence a8ef02c826 Refactor AddressBook::update, add contains, get. 
This also makes the quadratic `assert_consistency` check run only in
test configs.
 2019-10-21 14:40:03 -04:00
Henry de Valence 501db9fcc8 Add AddressBook::is_potentially_connected() 
This allows checking whether a SocketAddr could potentially be
connected, based on the contents of the address book.
 2019-10-21 14:40:03 -04:00
Henry de Valence fe9cef261d Allow draining AddressBook entries oldest-first. 2019-10-21 14:40:03 -04:00
Henry de Valence 39d38a8647 Rewrite AddressBook to use a BTreeSet. 
The previous implementation failed when timestamps were duplicated between
peers, because there was not a 1-1 relationship between timestamps and peers.
 2019-10-21 14:40:03 -04:00
Henry de Valence 5e9ac87f57 Collect into an AddressBook in connect. 2019-10-21 14:40:03 -04:00
Henry de Valence ecd57f43ed Implement Extend and Drain for AddressBook. 2019-10-21 14:40:03 -04:00
Henry de Valence 0bfd57def2 Add iteration functions to `AddressBook`. 
The disconnected_peers() function allows us to prevent duplicate
connections without maintaining shared state between the peerset and the
dial-additional-peers task.
 2019-10-21 14:40:03 -04:00
Henry de Valence b03a83fa86 Simplify TimestampCollector. 
Previously, the TimestampCollector was intended to own the address book
data, so it was intended to be cloneable and hold shared state among all
of its handles.  This is now modeled more directly by an
`Arc<Mutex<AddressBook>>`, so the only functionality left in the
`TimestampCollector` is setting up the inital worker, which is better
called `spawn` than `new`.

This also fixes a problem introduced in the previous commit where the
`TimestampCollector` was dropped, causing the worker task to shut down
early.
 2019-10-21 14:40:03 -04:00
Henry de Valence 53be838d51 Extract `TimestampData` to `AddressBook`. 
This allows us to hide the `TimestampCollector` and to expose only the
address book data required by the inbound request service.  It also lets
us have a common data structure (the `AddressBook`) for collecting peer
information that can be used to manage information that other peers
report to us.
 2019-10-21 14:40:03 -04:00
Henry de Valence 15a698b23c Use MetaAddr in the timestamp collector. 
We will need service bits information to report on peer addresses, so we
need to collect it in the timestamp collector.
 2019-10-21 14:40:03 -04:00
Henry de Valence 9ec1e01c8f Add a config command. 2019-10-18 21:00:01 -04:00
Henry de Valence ad43a61fb4 Ensure that all types appearing in public types are exported. 2019-10-18 16:11:01 -07:00
Henry de Valence 1f0a7e5e73 Remove Codec::builder doctest. 
Doctests can only test public API, so now that the Codec is private, we can't
have a doctest.  Since this test was only a code example (no behaviour test),
there's no value in replacing it with a unit test.
 2019-10-18 16:11:01 -07:00
Henry de Valence c7e0d63bed Export the BoxedZebraService type alias. 
This gives API consumers a convenient name, and makes the Rustdoc output
significantly cleaner (because `init` can return a `BoxedZebraService`, not a
`Box<dyn ...ManyTypeConstraints.......>`.
 2019-10-18 16:11:01 -07:00
Henry de Valence 1c6c4140ed Add a nice comment to zebra-network. 2019-10-18 16:11:01 -07:00