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CHANGELOG.md

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Changelog

1.22.0 - 2021-08-13

Added

  • Add SkipHandlerMethods option as an allow-list of metohds that are handled by the override handler.

Changed

  • Allow method registration if handler implements Register.
  • Internal changes related to relaying.

1.21.2 - 2021-05-19

Changed

  • Internal changes related to relaying.

1.21.1 - 2021-03-17

Changed

  • Change log level for connection create/close from info level to debug level to reduce noisy logs.

1.21.0 - 2020-12-13

Changed

  • Internal changes related to relaying.

1.20.1 - 2020-09-24

Fixed

  • Set ConnContext in the channel instead of the connection to avoid serialization errors since ConnectionOptions is sometimes embedded in configurations (#806)

1.20.0 - 2020-09-23

Added

  • Support per-connection base context propagation for inbound/outbound connections (#801)

Changed

  • Internal API changes related to relaying.

[1.19.1] - 2020-08-03

Fixed

  • Move OS-specific logic into OS-specific files to avoid compile issues on non-Unix platforms.

[1.19.0] - 2020-05-21

Fixed

  • Internal API changes related to relaying.

1.18.0 - 2020-03-30

Added

  • Introspection now tracks last activity for reads and writes separately (#770)
  • Add options to allow overriding SendBufferSize per process name prefix (#772)

1.17.0 - 2020-02-18

Added

  • Internal API changes related to relaying.

1.16.0 - 2019-10-14

Added

  • Support custom Dialer for outbound connections (#759)

Fixed

  • thrift: Handle TStruct serialization failures gracefully (#744)

1.15.0 - 2019-08-26

Added

  • introspection: Introspect any channel by ID. (#756)

Fixed

  • Ensure Introspection endpoints are always available. (#755)
  • Fix testutils.WithTestServer incorrectly using RelayHost when creating the server. (#750)

1.14.0 - 2019-05-20

Added

  • Expose CallOptions caller name for transparent proxying (#741)

1.13.0 - 2019-04-04

Added

  • Add MaxCloseTime which sets a timeout for graceful connection close. (#724)

Changed

  • Optimize Thrift string field serialization by eliminating []byte(string) allocation. (#729)

Fixed

  • Return an error if transport header keys/values exceed the maximum allowed string length. (#728)

1.12.0 - 2018-11-13

Added

  • Add a channel, ClosedCh, to wait for a channel to close. (#718)
  • Add a Code of Conduct. (#711)

Changed

  • Tweak error message when sending a large error to mention that we're out of space. (#716)
  • Idle sweeper now skips connections that have pending calls. (#712)

1.11.0 - 2018-06-25

Added

  • thrift: Support health check type in Health endpoint. (#696)

1.10.0 - 2018-04-02

Added

  • Support blackholing requests to trigger client timeout without holding on to resources. (#681)
  • introspection: Include channel state in output. (#692)
  • introspection: Add inactive connections to output. (#686)

Fixed

  • Inherit deadlines from parent context if available, and timeout is unspecified.
  • Ensure outbound tracing headers take precedence over application headers. (#683)

1.9.0 - 2018-01-31

Added

  • stats: Add tally reporter to emit tagged metrics. (#676)
  • Add optional idle timeout, after which connections will be closed. (#681)

1.8.1 - 2017-11-21

Fixed

  • Always log addresses as strings. (#669)

1.8.0 - 2017-11-06

Added

  • Add opt-in active connection health checks. (#318)

Changed

  • Improve error logging on thrift.Server errors. (#663)
  • Reduce memory usage for idle connections. (#658)
  • Unpin and reduce dependencies in glide.yaml by using testImports. (#649)

Fixed

  • Don't close connections on ping errors.(#655)
  • Avoid holding on to closed connections' memory in peers. (#644)

1.7.0 - 2017-08-04

Added

  • Add WithoutHeaders to remove TChannel keys from a context.

Changed

  • Cancel the context on incoming calls if the client connection is closed.

1.6.0 - 2017-06-02

Added

  • Add OnPeerStatusChanged channel option to receive a notification each time the number of available connections changes for any given peer.

Changed

  • Locks Apache Thrift to version 0.9.3, 0.10.0 to maintain backward-compatibility.
  • Set DiffServ (QoS) bit on outbound connections.

Fixed

  • Improve resilience of the frame parser.

1.5.0 - 2017-03-21

Added

  • Add PeerList.Len to expose the number of peers in the peer list.
  • Add PeerList.GetNew to only return previously unselected peers.

1.4.0 - 2017-03-01

Added

  • Add version information to the channel's LocalPeerInfo.
  • Add peers package for peer management utilities such as consistent peer selection.

Fixed

  • Fix SetScoreStrategy not rescoring existing peers. (#583).

1.3.0 - 2017-02-01

Added

  • Support Thrift namespaces for thrift-gen.
  • Exposes the channel's RootPeerList with channel.RootPeers().

1.2.3 - 2017-01-19

Changed

  • Improve error messages when an argument reader is closed without reading the EOF. (#567)

Fixed

  • thrift: Fix an issue where we return nil if we expected a Thrift exception but none was found (e.g., exception is from the future). (#566)
  • Fix ListenIP selecting docker interfaces over physical networks. (#565)
  • Fix for error when a Thrift payload has completed decoding and attempts to close the argument reader without waiting until EOF. (#564)
  • thrift-gen: Fix "namespace go" being ignored even though the Apache thrift generated code was respecting it. (#559)

1.2.2 - 2016-12-21

Added

  • Add a unique channel ID for introspection (#548)
  • Expose local peer information on {Inbound,Outbound}Call (#537)
  • Add remote peer info to connection logger and introspection (#514)

Fixed

  • Don't drop existing headers on a context when using Wrap(ctx) (#547)
  • Setting response headers is not goroutine safe, allow using a child context for parallel sub-requests (#549).
  • Fix context cancellation not cancelling Dial attempts (#541)
  • Only select active connections for calls (#521)
  • Treat hostPorts ending in ":0" in the init headers as ephemeral (#513)

1.2.1 - 2016-09-29

Fixed

  • Fix data race on headers when making concurrent calls using the same context. (#505)

1.2.0 - 2016-09-15

Added

  • Adds support for routing keys (the TChannel rk transport header).

1.1.0 - 2016-08-25

Added

  • Integrate OpenTracing for distributed tracing and context propagation. As long as a Zipkin-style tracing is configured, TChannel frames still send tracing information, and CurrentSpan(ctx) works as before. All tracer configuration must be handled through OpenTracing. (#426)

Changed

  • Improve error messages when using the json package and the host:port fails to connect. (#475)
  • mockhyperbahn now using inbuilt TChannel relaying to implement in-process forwarding. (#472)
  • Drop go1.4 support and add support for go1.7.
  • Pass thrift.Context to the thrift.Server's response callback (#465)

1.0.9 - 2016-07-20

Added

  • Expose meta endpoints on the "tchannel" service name. (#459)
  • Add Go version and tchannel-go library version to introspection. (#457)
  • Expose the number of connections on a channel. (#451)

Changed

  • Better handling of peers where dialed host:port doesn't match the remote connection's reported host:port. (#452)

1.0.8 - 2016-07-15

Fixed

  • Remove dependency on "testing" from "tchannel-go" introduced in v1.0.7.

1.0.7 - 2016-07-15

Added

  • Add CallOptions() to IncomingCall which can be used as the call option when making outbound calls to proxy all transport headers.
  • Add tracing information to all error frames generated by the library.
  • Add GetHandlers for getting all registered methods on a subchannel.
  • Expose the peer information for outbound calls.
  • Support a separate connection timeout from the context timeout, useful for streaming calls where the stream timeout may be much longer than the connection timeout.

Fixed

  • Fix peer score not being calculated when adding a new outbound connections

1.0.6 - 2016-06-16

Fixed

  • Fix trace span encoding fields in the wrong order

1.0.5 - 2016-04-04

Changed

  • Use context.Context storage for headers so thrift.Context and tchannel.ContextWithHeaders can be passed to functions that use context.Context, and have them retain headers.
  • thrift.Server allows a custom factory to be used for thrift.Context creation based on the underlying context.Context and headers map.
  • Store goroutine stack traces on channel creation that can be accessed via introspection.

1.0.4 - 2016-03-09

Added

  • #228: Add registered methods to the introspection output.
  • Add ability to set a global handler for a SubChannel.

Fixed

  • Improve handling of network failures during pending calls. Previously, calls would timeout, but now they fail as soon as the network failure is detected.
  • Remove ephemeral peers with closed outbound connections.
  • #233: Ensure errors returned from Thrift handlers have a non-nil value.

1.0.3 (2016-02-15)

Added

  • Introspection now includes information about all channels created in the current process.

Changed

  • Improved performance when writing Thrift structs
  • Make closing message exchanges less disruptive, changes a panic due to closing a channel twice to an error log.

1.0.2 - 2016-01-29

Changed

  • Extend the ContextBuilder API to support setting the transport-level routing delegate header.
  • Assorted logging and test improvements.

Fixed

  • Set a timeout when making new outbound connections to avoid hanging.
  • Fix for #196: Make the initial Hyperbahn advertise more tolerant of transient timeouts.

1.0.1 - 2016-01-19

Added

  • Peers can now be removed using PeerList.Remove.
  • Add ErrorHandlerFunc to create raw handlers that return errors.
  • Retries try to avoid previously selected hosts, rather than just the host:port.
  • Create an ArgReader interface (which is an alias for io.ReadCloser) for symmetry with ArgWriter.
  • Add ArgReadable and ArgWritable interfaces for the common methods between calls and responses.
  • Expose Thrift binary encoding methods (thrift.ReadStruct, thrift.WriteStruct, thrift.ReadHeaders, thrift.WriteHeaders) so callers can easily send Thrift payloads over the streaming interface.

Fixed

  • Bug fix for #181: Shuffle peers on PeerList.Add to avoid biases in peer selection.

1.0.0 - 2016-01-11

Added

  • First stable release.
  • Support making calls with JSON, Thrift or raw payloads.
  • Services use thrift-gen, and implement handlers with a func(ctx, arg) (res, error) signature.
  • Support retries.
  • Peer selection (peer heap, prefer incoming strategy, for use with Hyperbahn).
  • Graceful channel shutdown.
  • TCollector trace reporter with sampling support.
  • Metrics collection with StatsD.
  • Thrift support, including includes.