mirrors/uquic
1
0
Fork 0
mirror of https://github.com/refraction-networking/uquic.git synced 2025-04-04 04:37:36 +03:00
Code Issues Projects Releases Packages Wiki Activity

impl: QUIC Header mimicry

Browse source
This commit is contained in:
Gaukas Wang 2023-07-29 13:17:27 -06:00
parent 1429e6718b
commit 251b3afe6e
No known key found for this signature in database
GPG key ID: 9E2F8986D76F8B5D
11 changed files with 262 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

55
internal/wire/transport_parameters.go
View file

@ -15,6 +15,7 @@ import (
"github.com/quic-go/quic-go/internal/qerr"
"github.com/quic-go/quic-go/internal/utils"
"github.com/quic-go/quic-go/quicvarint"
"github.com/quic-go/quic-go/transportparameters"
)
// AdditionalTransportParametersClient are additional transport parameters that will be added
@ -88,6 +89,9 @@ type TransportParameters struct {
ActiveConnectionIDLimit uint64
MaxDatagramFrameSize protocol.ByteCount
// only used internally
ClientOverride transportparameters.TransportParameters // [UQUIC]
}
// Unmarshal the transport parameters
@ -325,6 +329,13 @@ func (p *TransportParameters) readNumericTransportParameter(
// Marshal the transport parameters
func (p *TransportParameters) Marshal(pers protocol.Perspective) []byte {
// [UQUIC]
if p.ClientOverride != nil {
fmt.Println("ClientOverride!!")
return p.ClientOverride.Marshal()
}
// [/UQUIC]
// Typical Transport Parameters consume around 110 bytes, depending on the exact values,
// especially the lengths of the Connection IDs.
// Allocate 256 bytes, so we won't have to grow the slice in any case.
@ -502,3 +513,47 @@ func (p *TransportParameters) String() string {
logString += "}"
return fmt.Sprintf(logString, logParams...)
}
func (tp *TransportParameters) PopulateFromUQUIC(quicparams transportparameters.TransportParameters) {
for pIdx, param := range quicparams {
switch param.ID() {
case uint64(maxIdleTimeoutParameterID):
tp.MaxIdleTimeout = time.Duration(param.(transportparameters.MaxIdleTimeout)) * time.Millisecond
case uint64(initialMaxDataParameterID):
tp.InitialMaxData = protocol.ByteCount(param.(transportparameters.InitialMaxData))
case uint64(initialMaxStreamDataBidiLocalParameterID):
tp.InitialMaxStreamDataBidiLocal = protocol.ByteCount(param.(transportparameters.InitialMaxStreamDataBidiLocal))
case uint64(initialMaxStreamDataBidiRemoteParameterID):
tp.InitialMaxStreamDataBidiRemote = protocol.ByteCount(param.(transportparameters.InitialMaxStreamDataBidiRemote))
case uint64(initialMaxStreamDataUniParameterID):
tp.InitialMaxStreamDataUni = protocol.ByteCount(param.(transportparameters.InitialMaxStreamDataUni))
case uint64(initialMaxStreamsBidiParameterID):
tp.MaxBidiStreamNum = protocol.StreamNum(param.(transportparameters.InitialMaxStreamsBidi))
case uint64(initialMaxStreamsUniParameterID):
tp.MaxUniStreamNum = protocol.StreamNum(param.(transportparameters.InitialMaxStreamsUni))
case uint64(maxAckDelayParameterID):
tp.MaxAckDelay = time.Duration(param.(transportparameters.MaxAckDelay)) * time.Millisecond
case uint64(disableActiveMigrationParameterID):
tp.DisableActiveMigration = true
case uint64(activeConnectionIDLimitParameterID):
tp.ActiveConnectionIDLimit = uint64(param.(transportparameters.ActiveConnectionIDLimit))
case uint64(initialSourceConnectionIDParameterID):
srcConnIDOverride, ok := param.(transportparameters.InitialSourceConnectionID)
if ok {
if len(srcConnIDOverride) > 0 { // when nil/empty, will leave default srcConnID
tp.InitialSourceConnectionID = protocol.ParseConnectionID(srcConnIDOverride)
} else {
// reversely populate the transport parameter, for it must be written to network
quicparams[pIdx] = transportparameters.InitialSourceConnectionID(tp.InitialSourceConnectionID.Bytes())
}
}
case uint64(maxDatagramFrameSizeParameterID):
tp.MaxDatagramFrameSize = protocol.ByteCount(param.(transportparameters.MaxDatagramFrameSize))
default:
// ignore unknown parameters
continue
}
}
tp.ClientOverride = quicparams
}