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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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