net/netcheck: hard-code preferred DERP region 900 on js/wasm for now
See TODO in code.
Updates
"net"
"net/http"
"os"
+ "runtime"
"sort"
"strconv"
"sync"
@@ -737,6 +738,16 @@ func (c *Client) udpBindAddr() string {
//
// It may not be called concurrently with itself.
func (c *Client) GetReport(ctx context.Context, dm *tailcfg.DERPMap) (*Report, error) {
+ if runtime.GOOS == "js" {
+ // TODO(bradfitz): do a real js/wasm netcheck, once
+ // the WebSocket-capable DERPs are rolled out. For now
+ // you need to be running in a tailnet with Region 900
+ // derper available that supports webassembly.
+ return &Report{
+ PreferredDERP: 900,
+ }, nil
+ }
+
// Mask user context with ours that we guarantee to cancel so
// we can depend on it being closed in goroutines later.
// (User ctx might be context.Background, etc)
