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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_BROWSER_CHROMEOS_PROCESS_PROXY_PROCESS_PROXY_REGISTRY_H_ | |
6 #define CHROME_BROWSER_CHROMEOS_PROCESS_PROXY_PROCESS_PROXY_REGISTRY_H_ | |
7 | |
8 #include <map> | |
9 | |
10 #include "base/callback.h" | |
11 #include "base/lazy_instance.h" | |
12 #include "base/memory/scoped_ptr.h" | |
13 #include "base/memory/ref_counted.h" | |
14 #include "base/threading/thread.h" | |
15 #include "chrome/browser/chromeos/process_proxy/process_proxy.h" | |
16 | |
17 typedef base::Callback<void(pid_t, const std::string&, const std::string&)> | |
18 ProcessOutputCallbackWithPid; | |
19 | |
20 // Keeps track of all created ProcessProxies. It is created lazily and should | |
21 // live on the FILE thread (where all methods must be called). | |
22 class ProcessProxyRegistry { | |
23 public: | |
24 // Info we need about a ProcessProxy instance. | |
25 struct ProcessProxyInfo { | |
26 scoped_refptr<ProcessProxy> proxy; | |
27 scoped_ptr<base::Thread> watcher_thread; | |
28 ProcessOutputCallbackWithPid callback; | |
29 pid_t process_id; | |
30 | |
31 ProcessProxyInfo(); | |
32 // This is to make map::insert happy, we don't init anything. | |
33 ProcessProxyInfo(const ProcessProxyInfo& other); | |
34 ~ProcessProxyInfo(); | |
35 }; | |
36 | |
37 static ProcessProxyRegistry* Get(); | |
38 | |
39 // Starts new ProcessProxy (which starts new process). | |
40 bool OpenProcess(const std::string& command, pid_t* pid, | |
41 const ProcessOutputCallbackWithPid& callback); | |
42 // Sends data to the process with id |pid|. | |
43 bool SendInput(pid_t pid, const std::string& data); | |
44 // Stops the process with id |pid|. | |
45 bool CloseProcess(pid_t pid); | |
46 // Reports terminal resize to process proxy. | |
47 bool OnTerminalResize(pid_t pid, int width, int height); | |
48 | |
49 // Currently used for testing. | |
50 void SetOutputCallback(const ProcessOutputCallback& callback); | |
51 | |
52 private: | |
53 friend struct ::base::DefaultLazyInstanceTraits<ProcessProxyRegistry>; | |
54 | |
55 ProcessProxyRegistry(); | |
56 ~ProcessProxyRegistry(); | |
57 | |
58 // Gets called when output gets detected. | |
59 void OnProcessOutput(pid_t pid, | |
60 ProcessOutputType type, | |
61 const std::string& data); | |
62 // Must be called on UI thread. This lives on FILE thread, thus static. | |
63 // Notifies CroshProcessEventRouter about new process output. Assumes the | |
64 // event router has already been initialized by someone else. | |
65 static void DispatchProcessOutputOnUIThread(pid_t pid, | |
66 const std::string& output_type, | |
67 const std::string& output); | |
68 | |
69 // Map of all existing ProcessProxies. | |
70 std::map<pid_t, ProcessProxyInfo> proxy_map_; | |
71 | |
72 DISALLOW_COPY_AND_ASSIGN(ProcessProxyRegistry); | |
73 }; | |
74 | |
75 #endif // CHROME_BROWSER_CHROMEOS_PROCESS_PROXY_PROCESS_PROXY_REGISTRY_H_ | |
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