gRPC-go 1.6.0

[Menghan Li]

​

gRPC-go 1.6.0 is now released. Full release notes:

API Changes

• Add and use connectivity package for states (#1430)
• metadata: Remove NewContext and FromContext for gRFC L7 (#1392)
• Remove expiration_interval from grpclb message (#1477)

Features

• Add status details support to server HTTP handler (#1438)
• stats: add methods to allow setting grpc-trace-bin and grpc-tags-bin headers (#1404)
• Expose ConnectivityState of a ClientConn. (#1385)
• DNS resolver (#1300)

Performance

• Put *gzip.Writer back to pool (#1441)
• Remove defer funtion in recvBufferReader Read method (#1031)

Bug fixes

• When sending a non heads-up goaway close the connection if there are no active streams. (#1474)
• Fix grpclb protos to not cause re-registration of types (#1466)
• transport: fix handling of InTapHandle's returned context (#1461)
• transport: Fix deadlock in client keepalive. (#1460)
• Deduplicate dns record in lookup (#1454)
• Fix host string passed to PerRPCCredentials (#1433)
• Fix a goroutine leak in DialContext (#1424)
• Set peer before sending request (#1423)
• Don't use 64-bit integers with atomic. (#1411)
• Automatic WriteStatus for RecvMsg/SendMsg error on server side (#1409)
• Server should send 2 goaway messages to gracefully shutdown the connection. (#1403)
• Enabling client process multiple GoAways (#1393)
• addrConn: change address to slice of address (#1376)
• Do not create new addrConn when connection error happens (#1369)
• Validate send quota again after acquiring writable channel (#1367)

Documentation

• add comment for the package in benchmark/benchmain/main.go (#1464)
• Add -u to installation command (#1451)
• Update ServerInHandle comments (#1437)
• Add 'experimental' note to ServeHTTP godoc (#1429)
• Use NewOutgoingContext in the metadata doc (#1425)
• Fix missing and wrong license (#1422)
• Change comment on stats.End.Error (#1418)
• Document Server.ServeHTTP (#1406)
• Use log instead of grpclog in routeguide example (#1395)
• Add doc in default implementation fatal functions on os.Exit() (#1365)

Testing

• Check "x/net/context" with go vet like "context" (#1490)
• Remove unnecessary function handleStreamSuspension (#1468)
• Call cancel function to avoid ctx leak (#1465)
• go-generate pb.go files and check in Travis to make sure they don't change (#1426)
• Add flags for tls file path (#1419)
• Call cancel on contexts in tests (#1412)
• benchmark: don't stop timer until after workers are done (#1407)
• Assign testdata path to correct variable (#1397)
• Do not call testdata.Path when defining flags (#1394)
• Fix bufconn.Close to not be blocking. (#1377)
• benchmark: add benchmain/main.go to run benchmark with flag set (#1352)
• benchmark: remove multi-layer for loop (#1339)
• Add testdata package and unify testdata to only one dir (#1297)

Please see release at: https://github.com/grpc/grpc-go/releases/tag/v1.6.0​