host_resolver_resource_base.h revision eb525c5499e34cc9c4b825d6d9e75bb07cc06ace 
1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef PPAPI_PROXY_HOST_RESOLVER_RESOURCE_BASE_H_
6#define PPAPI_PROXY_HOST_RESOLVER_RESOURCE_BASE_H_
7
8#include <string>
9#include <vector>
10
11#include "base/basictypes.h"
12#include "base/compiler_specific.h"
13#include "base/memory/ref_counted.h"
14#include "ppapi/c/private/ppb_host_resolver_private.h"
15#include "ppapi/proxy/plugin_resource.h"
16#include "ppapi/proxy/ppapi_proxy_export.h"
17
18namespace ppapi {
19
20class TrackedCallback;
21
22struct HostPortPair {
23  std::string host;
24  uint16_t port;
25};
26
27namespace proxy {
28
29class NetAddressResource;
30
31class PPAPI_PROXY_EXPORT HostResolverResourceBase: public PluginResource {
32 public:
33  HostResolverResourceBase(Connection connection,
34                           PP_Instance instance,
35                           bool private_api);
36  virtual ~HostResolverResourceBase();
37
38  int32_t ResolveImpl(const char* host,
39                      uint16_t port,
40                      const PP_HostResolver_Private_Hint* hint,
41                      scoped_refptr<TrackedCallback> callback);
42  PP_Var GetCanonicalNameImpl();
43  uint32_t GetSizeImpl();
44  scoped_refptr<NetAddressResource> GetNetAddressImpl(uint32_t index);
45
46 private:
47  // IPC message handlers.
48  void OnPluginMsgResolveReply(
49      const ResourceMessageReplyParams& params,
50      const std::string& canonical_name,
51      const std::vector<PP_NetAddress_Private>& net_address_list);
52
53  void SendResolve(const HostPortPair& host_port,
54                   const PP_HostResolver_Private_Hint* hint);
55
56  bool ResolveInProgress() const;
57
58  bool private_api_;
59
60  scoped_refptr<TrackedCallback> resolve_callback_;
61
62  // Set to false if there is a pending resolve request or the previous request
63  // failed.
64  bool allow_get_results_;
65  std::string canonical_name_;
66  std::vector<scoped_refptr<NetAddressResource> > net_address_list_;
67
68  DISALLOW_COPY_AND_ASSIGN(HostResolverResourceBase);
69};
70
71}  // namespace proxy
72}  // namespace ppapi
73
74#endif  // PPAPI_PROXY_HOST_RESOLVER_RESOURCE_BASE_H_
75