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1 // Copyright (c) 2012 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 CHROME_NACL_NACL_LISTENER_H_ | |
6 #define CHROME_NACL_NACL_LISTENER_H_ | |
7 | |
8 #include <vector> | |
9 | |
10 #include "base/memory/scoped_ptr.h" | |
11 #include "base/synchronization/waitable_event.h" | |
12 #include "base/threading/thread.h" | |
13 #include "chrome/common/nacl_types.h" | |
14 #include "ipc/ipc_listener.h" | |
15 | |
16 namespace IPC { | |
17 class SyncChannel; | |
18 class SyncMessageFilter; | |
19 } | |
20 | |
21 // The NaClListener is an IPC channel listener that waits for a | |
22 // request to start a NaCl module. | |
23 class NaClListener : public IPC::Listener { | |
24 public: | |
25 NaClListener(); | |
26 virtual ~NaClListener(); | |
27 // Listen for a request to launch a NaCl module. | |
28 void Listen(); | |
29 | |
30 bool Send(IPC::Message* msg); | |
31 | |
32 #if defined(OS_LINUX) | |
33 void set_prereserved_sandbox_size(size_t prereserved_sandbox_size) { | |
34 prereserved_sandbox_size_ = prereserved_sandbox_size; | |
35 } | |
36 #endif | |
37 | |
38 private: | |
39 void OnStart(const nacl::NaClStartParams& params); | |
40 virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE; | |
41 | |
42 // A channel back to the browser. | |
43 scoped_ptr<IPC::SyncChannel> channel_; | |
44 | |
45 // A filter that allows other threads to use the channel. | |
46 scoped_refptr<IPC::SyncMessageFilter> filter_; | |
47 | |
48 base::WaitableEvent shutdown_event_; | |
49 base::Thread io_thread_; | |
50 | |
51 #if defined(OS_LINUX) | |
52 size_t prereserved_sandbox_size_; | |
53 #endif | |
54 | |
55 // Used to identify what thread we're on. | |
56 base::MessageLoop* main_loop_; | |
57 | |
58 DISALLOW_COPY_AND_ASSIGN(NaClListener); | |
59 }; | |
60 | |
61 #endif // CHROME_NACL_NACL_LISTENER_H_ | |
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