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send the max_datagram_frame_size transport parameter

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This commit is contained in:
Marten Seemann 2019-10-06 20:48:35 +02:00
parent fd41e8fa62
commit fdaac4f32e
2 changed files with 11 additions and 2 deletions
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5
internal/protocol/params.go
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@ -125,6 +125,11 @@ const MaxPostHandshakeCryptoFrameSize = 1000
// but must ensure that a maximum size ACK frame fits into one packet. // but must ensure that a maximum size ACK frame fits into one packet.
const MaxAckFrameSize ByteCount = 1000 const MaxAckFrameSize ByteCount = 1000
// MaxDatagramFrameSize is the maximum size of a DATAGRAM frame as defined in
// https://datatracker.ietf.org/doc/draft-pauly-quic-datagram/.
// The size is chosen such that a DATAGRAM frame fits into a QUIC packet.
const MaxDatagramFrameSize ByteCount = 1200
// MaxNumAckRanges is the maximum number of ACK ranges that we send in an ACK frame. // MaxNumAckRanges is the maximum number of ACK ranges that we send in an ACK frame.
// It also serves as a limit for the packet history. // It also serves as a limit for the packet history.
// If at any point we keep track of more ranges, old ranges are discarded. // If at any point we keep track of more ranges, old ranges are discarded.

8
session.go
View file

@ -296,7 +296,9 @@ var newSession = func(
ActiveConnectionIDLimit: protocol.MaxActiveConnectionIDs, ActiveConnectionIDLimit: protocol.MaxActiveConnectionIDs,
InitialSourceConnectionID: srcConnID, InitialSourceConnectionID: srcConnID,
RetrySourceConnectionID: retrySrcConnID, RetrySourceConnectionID: retrySrcConnID,
MaxDatagramFrameSize: protocol.InvalidByteCount, // disable DATAGRAMs }
if s.config.EnableDatagrams {
params.MaxDatagramFrameSize = protocol.MaxDatagramFrameSize
} }
if s.tracer != nil { if s.tracer != nil {
s.tracer.SentTransportParameters(params) s.tracer.SentTransportParameters(params)
@ -417,7 +419,9 @@ var newClientSession = func(
DisableActiveMigration: true, DisableActiveMigration: true,
ActiveConnectionIDLimit: protocol.MaxActiveConnectionIDs, ActiveConnectionIDLimit: protocol.MaxActiveConnectionIDs,
InitialSourceConnectionID: srcConnID, InitialSourceConnectionID: srcConnID,
MaxDatagramFrameSize: protocol.InvalidByteCount, // disable DATAGRAMs }
if s.config.EnableDatagrams {
params.MaxDatagramFrameSize = protocol.MaxDatagramFrameSize
} }
if s.tracer != nil { if s.tracer != nil {
s.tracer.SentTransportParameters(params) s.tracer.SentTransportParameters(params)