| // Copyright 2010-2014, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "ipc/ipc.h" |
| |
| #ifdef OS_WIN |
| #include <windows.h> |
| #else |
| #include <sys/types.h> |
| #include <signal.h> |
| #include <errno.h> |
| #endif |
| |
| #include <cstdlib> |
| |
| #include "base/logging.h" |
| #include "base/port.h" |
| #include "base/singleton.h" |
| #include "base/thread.h" |
| #include "ipc/ipc_path_manager.h" |
| |
| namespace mozc { |
| |
| namespace { |
| |
| class IPCServerThread : public Thread { |
| public: |
| explicit IPCServerThread(IPCServer *server) |
| : server_(server) {} |
| virtual ~IPCServerThread() {} |
| virtual void Run() { |
| if (server_ != NULL) { |
| server_->Loop(); |
| } |
| } |
| |
| private: |
| IPCServer *server_; |
| |
| DISALLOW_COPY_AND_ASSIGN(IPCServerThread); |
| }; |
| |
| } // namespace |
| |
| void IPCServer::LoopAndReturn() { |
| if (server_thread_.get() == NULL) { |
| server_thread_.reset(new IPCServerThread(this)); |
| server_thread_->SetJoinable(true); |
| server_thread_->Start(); |
| } else { |
| LOG(WARNING) << "Another thead is already running"; |
| } |
| } |
| |
| void IPCServer::Wait() { |
| if (server_thread_.get() != NULL) { |
| server_thread_->Join(); |
| server_thread_.reset(NULL); |
| } |
| } |
| |
| IPCClientInterface::~IPCClientInterface() { |
| } |
| |
| IPCClientFactoryInterface::~IPCClientFactoryInterface() { |
| } |
| |
| IPCClientFactory::~IPCClientFactory() { |
| } |
| |
| IPCClientInterface *IPCClientFactory::NewClient(const string &name, |
| const string &path_name) { |
| return new IPCClient(name, path_name); |
| } |
| |
| IPCClientInterface *IPCClientFactory::NewClient(const string &name) { |
| return new IPCClient(name); |
| } |
| |
| // static |
| IPCClientFactory *IPCClientFactory::GetIPCClientFactory() { |
| return Singleton<IPCClientFactory>::get(); |
| } |
| |
| uint32 IPCClient::GetServerProtocolVersion() const { |
| DCHECK(ipc_path_manager_); |
| return ipc_path_manager_->GetServerProtocolVersion(); |
| } |
| |
| const string &IPCClient::GetServerProductVersion() const { |
| DCHECK(ipc_path_manager_); |
| return ipc_path_manager_->GetServerProductVersion(); |
| } |
| |
| uint32 IPCClient::GetServerProcessId() const { |
| DCHECK(ipc_path_manager_); |
| return ipc_path_manager_->GetServerProcessId(); |
| } |
| |
| // static |
| bool IPCClient::TerminateServer(const string &name) { |
| IPCClient client(name); |
| |
| if (!client.Connected()) { |
| LOG(ERROR) << "Server " << name << " is not running"; |
| return true; |
| } |
| |
| const uint32 pid = client.GetServerProcessId(); |
| if (pid == 0) { |
| LOG(ERROR) << "pid is not a valid value: " << pid; |
| return false; |
| } |
| |
| #ifdef OS_WIN |
| HANDLE handle = ::OpenProcess(PROCESS_TERMINATE, |
| false, static_cast<DWORD>(pid)); |
| if (NULL == handle) { |
| LOG(ERROR) << "OpenProcess failed: " << ::GetLastError(); |
| return false; |
| } |
| |
| if (!::TerminateProcess(handle, 0)) { |
| LOG(ERROR) << "TerminateProcess failed: " << ::GetLastError(); |
| ::CloseHandle(handle); |
| return false; |
| } |
| |
| VLOG(1) << "Success to terminate the server: " << name << " " << pid; |
| |
| ::CloseHandle(handle); |
| |
| return true; |
| #else |
| if (-1 == ::kill(static_cast<pid_t>(pid), 9)) { |
| LOG(ERROR) << "kill failed: " << errno; |
| return false; |
| } |
| |
| return true; |
| #endif |
| } |
| } // namespace mozc |