cloudflared-mirror/client/config.go

75 lines
2.1 KiB
Go

package client
import (
"fmt"
"net"
"github.com/google/uuid"
"github.com/rs/zerolog"
"github.com/cloudflare/cloudflared/features"
"github.com/cloudflare/cloudflared/tunnelrpc/pogs"
)
// Config captures the local client runtime configuration.
type Config struct {
ConnectorID uuid.UUID
Version string
Arch string
featureSelector features.FeatureSelector
}
func NewConfig(version string, arch string, featureSelector features.FeatureSelector) (*Config, error) {
connectorID, err := uuid.NewRandom()
if err != nil {
return nil, fmt.Errorf("unable to generate a connector UUID: %w", err)
}
return &Config{
ConnectorID: connectorID,
Version: version,
Arch: arch,
featureSelector: featureSelector,
}, nil
}
// ConnectionOptionsSnapshot is a snapshot of the current client information used to initialize a connection.
//
// The FeatureSnapshot is the features that are available for this connection. At the client level they may
// change, but they will not change within the scope of this struct.
type ConnectionOptionsSnapshot struct {
client pogs.ClientInfo
originLocalIP net.IP
numPreviousAttempts uint8
FeatureSnapshot features.FeatureSnapshot
}
func (c *Config) ConnectionOptionsSnapshot(originIP net.IP, previousAttempts uint8) *ConnectionOptionsSnapshot {
snapshot := c.featureSelector.Snapshot()
return &ConnectionOptionsSnapshot{
client: pogs.ClientInfo{
ClientID: c.ConnectorID[:],
Version: c.Version,
Arch: c.Arch,
Features: snapshot.FeaturesList,
},
originLocalIP: originIP,
numPreviousAttempts: previousAttempts,
FeatureSnapshot: snapshot,
}
}
func (c ConnectionOptionsSnapshot) ConnectionOptions() *pogs.ConnectionOptions {
return &pogs.ConnectionOptions{
Client: c.client,
OriginLocalIP: c.originLocalIP,
ReplaceExisting: false,
CompressionQuality: 0,
NumPreviousAttempts: c.numPreviousAttempts,
}
}
func (c ConnectionOptionsSnapshot) LogFields(event *zerolog.Event) *zerolog.Event {
return event.Strs("features", c.client.Features)
}