Add OpenVPN, TrustTunnel, Sudoku, inbound managers. Fixes

transport/sudoku/obfs/sudoku/table_set.go

@@ -0,0 +1,38 @@
+package sudoku
+
+import "fmt"
+
+// TableSet is a small helper for managing multiple Sudoku tables (e.g. for per-connection rotation).
+// It is intentionally decoupled from the tunnel/app layers.
+type TableSet struct {
+	Tables []*Table
+}
+
+// NewTableSet builds one or more tables from key/mode and a list of custom X/P/V patterns.
+// If patterns is empty, it builds a single default table (customPattern="").
+func NewTableSet(key string, mode string, patterns []string) (*TableSet, error) {
+	if len(patterns) == 0 {
+		t, err := NewTableWithCustom(key, mode, "")
+		if err != nil {
+			return nil, err
+		}
+		return &TableSet{Tables: []*Table{t}}, nil
+	}
+
+	tables := make([]*Table, 0, len(patterns))
+	for i, pattern := range patterns {
+		t, err := NewTableWithCustom(key, mode, pattern)
+		if err != nil {
+			return nil, fmt.Errorf("build table[%d] (%q): %w", i, pattern, err)
+		}
+		tables = append(tables, t)
+	}
+	return &TableSet{Tables: tables}, nil
+}
+
+func (ts *TableSet) Candidates() []*Table {
+	if ts == nil {
+		return nil
+	}
+	return ts.Tables
+}