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TUN-9319: Add dynamic loading of features to connections via ConnectionOptionsSnapshot

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Make sure to enforce snapshots of features and client information for each connection
so that the feature information can change in the background. This allows for new features
to only be applied to a connection if it completely disconnects and attempts a reconnect.

Updates the feature refresh time to 1 hour from previous cloudflared versions which
refreshed every 6 hours.

Closes TUN-9319
This commit is contained in:
Devin Carr
2025-05-14 20:11:05 +00:00
parent 02705c44b2
commit 3bf9217de5
14 changed files with 359 additions and 106 deletions
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7
connection/quic_connection.go
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@@ -17,6 +17,7 @@ import (
"github.com/rs/zerolog"
"golang.org/x/sync/errgroup"
"github.com/cloudflare/cloudflared/client"
cfdflow "github.com/cloudflare/cloudflared/flow"
cfdquic "github.com/cloudflare/cloudflared/quic"
@@ -43,7 +44,7 @@ type quicConnection struct {
orchestrator Orchestrator
datagramHandler DatagramSessionHandler
controlStreamHandler ControlStreamHandler
connOptions *pogs.ConnectionOptions
connOptions *client.ConnectionOptionsSnapshot
connIndex uint8
rpcTimeout time.Duration
@@ -59,7 +60,7 @@ func NewTunnelConnection(
orchestrator Orchestrator,
datagramSessionHandler DatagramSessionHandler,
controlStreamHandler ControlStreamHandler,
connOptions *pogs.ConnectionOptions,
connOptions *client.ConnectionOptionsSnapshot,
rpcTimeout time.Duration,
streamWriteTimeout time.Duration,
gracePeriod time.Duration,
@@ -130,7 +131,7 @@ func (q *quicConnection) Serve(ctx context.Context) error {
// serveControlStream will serve the RPC; blocking until the control plane is done.
func (q *quicConnection) serveControlStream(ctx context.Context, controlStream quic.Stream) error {
return q.controlStreamHandler.ServeControlStream(ctx, controlStream, q.connOptions, q.orchestrator)
return q.controlStreamHandler.ServeControlStream(ctx, controlStream, q.connOptions.ConnectionOptions(), q.orchestrator)
}
// Close the connection with no errors specified.