nacl_init

src/untrusted/init/name_service.h

+// Copyright (c) 2013 The Native Client Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef NATIVE_CLIENT_SRC_UNTRUSTED_INIT_NAME_SERVICE_H_
+#define NATIVE_CLIENT_SRC_UNTRUSTED_INIT_NAME_SERVICE_H_
+
+#include "native_client/src/untrusted/init/simple_service.h"
+
+namespace nacl {
+
+class NameService : public SimpleService {
+ public:
+  NameService();
+  ~NameService();
+
+  virtual bool CreateEntry(string name, int mode, int *out);
+
+  virtual bool Resolve(string name, int flags);
+
+  virtual bool DeleteName(string name, int *out);
+
+  virtual size_t Enumerate(string dest, size_t nbytes);
+  // template typename<Cont> List(Cont::insert_iterator<Cont> it);
+
+ private:
+  std::map<string, int> entries_;
+
+  DISALLOW_COPY_AND_ASSIGN(NameService);
+};
+
+// Basic name service related utilities.
+class NameServiceClient : public SrpcClientConnection {
+ public:
+  NameServiceClient() {}
+
+  std::vector<std::string> List();
+  // TODO(bsy) consider instead implementing:
+  // template typename<Cont> List(Cont::insert_iterator<Cont> it);
+
+  int Resolve(std::string name);
+};
+
+class NameServiceFactory {
+ public:
+  // Init must be called before any other operation.  May fail, which
+  // is typically a fatal error.
+  static bool Init();
+
+  static NameServiceFactory *NameServiceFactorySingleton();
+  NameServiceClient *NameService();
+ private:
+  NameServiceFactory();
+
+  static int name_service_cap;
+  static NameServiceFactory *singleton;
+};
+
+}  // namespace nacl
+
+#endif