| // Copyright (c) 2012 The Chromium 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 CHROMEOS_PROCESS_PROXY_PROCESS_PROXY_REGISTRY_H_ |
| #define CHROMEOS_PROCESS_PROXY_PROCESS_PROXY_REGISTRY_H_ |
| |
| #include <map> |
| |
| #include "base/callback.h" |
| #include "base/lazy_instance.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/threading/non_thread_safe.h" |
| #include "base/threading/thread.h" |
| #include "chromeos/chromeos_export.h" |
| #include "chromeos/process_proxy/process_proxy.h" |
| |
| namespace chromeos { |
| |
| typedef base::Callback<void(pid_t, const std::string&, const std::string&)> |
| ProcessOutputCallbackWithPid; |
| |
| // Keeps track of all created ProcessProxies. It is created lazily and should |
| // live on a single thread (where all methods must be called). |
| class CHROMEOS_EXPORT ProcessProxyRegistry : public base::NonThreadSafe { |
| public: |
| // Info we need about a ProcessProxy instance. |
| struct ProcessProxyInfo { |
| scoped_refptr<ProcessProxy> proxy; |
| scoped_ptr<base::Thread> watcher_thread; |
| ProcessOutputCallbackWithPid callback; |
| pid_t process_id; |
| |
| ProcessProxyInfo(); |
| // This is to make map::insert happy, we don't init anything. |
| ProcessProxyInfo(const ProcessProxyInfo& other); |
| ~ProcessProxyInfo(); |
| }; |
| |
| static ProcessProxyRegistry* Get(); |
| |
| // Starts new ProcessProxy (which starts new process). |
| bool OpenProcess(const std::string& command, pid_t* pid, |
| const ProcessOutputCallbackWithPid& callback); |
| // Sends data to the process with id |pid|. |
| bool SendInput(pid_t pid, const std::string& data); |
| // Stops the process with id |pid|. |
| bool CloseProcess(pid_t pid); |
| // Reports terminal resize to process proxy. |
| bool OnTerminalResize(pid_t pid, int width, int height); |
| |
| // Currently used for testing. |
| void SetOutputCallback(const ProcessOutputCallback& callback); |
| |
| private: |
| friend struct ::base::DefaultLazyInstanceTraits<ProcessProxyRegistry>; |
| |
| ProcessProxyRegistry(); |
| ~ProcessProxyRegistry(); |
| |
| // Gets called when output gets detected. |
| void OnProcessOutput(pid_t pid, |
| ProcessOutputType type, |
| const std::string& data); |
| |
| // Map of all existing ProcessProxies. |
| std::map<pid_t, ProcessProxyInfo> proxy_map_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ProcessProxyRegistry); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROMEOS_PROCESS_PROXY_PROCESS_PROXY_REGISTRY_H_ |