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// Copyright 2010, Google Inc.
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// All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "base/base.h"
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#include "base/process.h"
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#include "base/process_mutex.h"
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#include "base/run_level.h"
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#include "base/singleton.h"
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#include "base/util.h"
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#include "session/session_server.h"
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DECLARE_bool(restricted); // in SessionHandler
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mozc::SessionServer *g_session_server = NULL;
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// When OS is about to shutdown/logoff,
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// ShutdownSessionCallback is kicked.
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void ShutdownSessionCallback() {
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VLOG(1) << "ShutdownSessionFunc is called";
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if (g_session_server != NULL) {
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g_session_server->Terminate();
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// TOOD(taku): replace it with more generic class
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// http://www.google.com/codesearch/p?hl=ja#hfE6470xZHk/base/at_exit.h&q=base::AtExitManager%20package:chromium&sa=N&cd=1&ct=rc
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class ScopedRunFinalizer {
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ScopedRunFinalizer() {}
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~ScopedRunFinalizer() {
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mozc::RunFinalizers();
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REGISTER_MODULE_SHUTDOWN_HANDLER(shudown_session,
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ShutdownSessionCallback());
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int main(int argc, char *argv[]) {
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mozc::Util::DisableIME();
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// Big endian is not supported. The storage for user history is endian
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// dependent. If we want to sync the data via network sync feature, we
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// will see some problems.
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CHECK(mozc::Util::IsLittleEndian()) << "Big endian is not supported.";
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mozc::ScopedRunFinalizer run_finalizer;
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// http://msdn.microsoft.com/en-us/library/ms686227.aspx
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// Make sure that mozc_server exits all after other processes.
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::SetProcessShutdownParameters(0x100, SHUTDOWN_NORETRY);
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// call GetRunLevel before InitGoogle().
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// InitGoogle() will do all static initialization and may access
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const mozc::RunLevel::RunLevelType run_level =
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mozc::RunLevel::GetRunLevel(mozc::RunLevel::SERVER);
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if (run_level >= mozc::RunLevel::DENY) {
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InitGoogleWithBreakPad(argv[0], &argc, &argv, false);
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mozc::ProcessMutex mutex("server");
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LOG(INFO) << "Mozc Server is already running";
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if (run_level == mozc::RunLevel::RESTRICTED) {
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VLOG(1) << "Mozc server starts with timeout mode";
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FLAGS_restricted = true;
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scoped_ptr<mozc::SessionServer> session_server
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(new mozc::SessionServer);
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g_session_server = session_server.get();
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CHECK(g_session_server);
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if (!g_session_server->Connected()) {
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LOG(ERROR) << "SessionServer initialization failed";
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// Create a new thread.
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// We can't call Loop() as Loop() doesn't make a thread.
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// We have to make a thread here so that ShutdownSessionCallback()
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// is called properly.
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g_session_server->LoopAndReturn();
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// Wait until the session server thread finishes.
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g_session_server->Wait();