fix: protocol v1

reach/client/protocol/v1/protocol.go

@@ -2,17 +2,53 @@ package v1
 
 import (
 	"context"
+	"log/slog"
 
+	"forge.cadoles.com/cadoles/go-emlid/reach/client/logger"
 	"forge.cadoles.com/cadoles/go-emlid/reach/client/protocol"
+	"github.com/Masterminds/semver/v3"
+	"github.com/pkg/errors"
 )
 
 const Identifier protocol.Identifier = "v1"
 
+const compatibleVersionConstraint = "^2.24"
+
 type Protocol struct {
+	logger logger.Logger
 }
 
 // Available implements protocol.Protocol.
 func (p *Protocol) Available(ctx context.Context, addr string) (bool, error) {
+	ops := p.Operations(addr).(*Operations)
+
+	if err := ops.Connect(ctx); err != nil {
+		return false, nil
+	}
+
+	defer ops.Close(ctx)
+
+	rawVersion, _, err := ops.Version(ctx)
+	if err != nil {
+		return false, nil
+	}
+
+	versionConstraint, err := semver.NewConstraint(compatibleVersionConstraint)
+	if err != nil {
+		return false, errors.WithStack(err)
+	}
+
+	version, err := semver.NewVersion(rawVersion)
+	if err != nil {
+		return false, errors.WithStack(err)
+	}
+
+	p.logger.Debug("checking version", slog.Any("version", rawVersion), slog.Any("constraint", compatibleVersionConstraint))
+
+	if !versionConstraint.Check(version) {
+		return false, nil
+	}
+
 	return true, nil
 }
 
@@ -23,7 +59,7 @@ func (p *Protocol) Identifier() protocol.Identifier {
 
 // Operations implements protocol.Protocol.
 func (p *Protocol) Operations(addr string) protocol.Operations {
-	return &Operations{addr: addr}
+	return &Operations{addr: addr, logger: p.logger}
 }
 
 var _ protocol.Protocol = &Protocol{}