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connection parameter manager docs

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This commit is contained in:
Lucas Clemente 2016-05-05 23:36:41 +02:00
parent 7e0d59a5e6
commit f7d3da74b7
1 changed files with 6 additions and 3 deletions
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9
handshake/connection_parameters_manager.go
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@ -11,10 +11,11 @@ import (
)
// ConnectionParametersManager stores the connection parameters
// Warning: Writes may only be done from the crypto stream, see the comment
// in GetSHLOMap().
type ConnectionParametersManager struct {
params map[Tag][]byte
// TODO: We can probably remove this mutex.
mutex sync.RWMutex
mutex sync.RWMutex
}
// ErrTagNotInConnectionParameterMap is returned when a tag is not present in the connection parameters
@ -56,7 +57,9 @@ func (h *ConnectionParametersManager) GetRawValue(tag Tag) ([]byte, error) {
// GetSHLOMap gets all values (except crypto values) needed for the SHLO
func (h *ConnectionParametersManager) GetSHLOMap() map[Tag][]byte {
// TODO: This races.
// Since GetSHLOMap is only called from the crypto stream, and changes to
// the params are only made by the crypto stream itself, there is no data race
// here, and we need not copy the map.
return h.params
}