/usr/share/cruisecontrol-bin-2.6.1/projects/qpid-trunk/cpp/src/qpid/broker/Daemon.h

00001 #ifndef _broker_Daemon_h
00002 #define _broker_Daemon_h
00003 
00004 /*
00005  *
00006  * Copyright (c) 2006 The Apache Software Foundation
00007  *
00008  * Licensed under the Apache License, Version 2.0 (the "License");
00009  * you may not use this file except in compliance with the License.
00010  * You may obtain a copy of the License at
00011  *
00012  *    http://www.apache.org/licenses/LICENSE-2.0
00013  *
00014  * Unless required by applicable law or agreed to in writing, software
00015  * distributed under the License is distributed on an "AS IS" BASIS,
00016  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00017  * See the License for the specific language governing permissions and
00018  * limitations under the License.
00019  *
00020  */
00021 
00022 #include <string>
00023 #include <boost/scoped_ptr.hpp>
00024 #include <boost/function.hpp>
00025 #include <boost/noncopyable.hpp>
00026 
00027 namespace qpid {
00028 namespace broker {
00029 
00034 class Daemon : private boost::noncopyable
00035 {
00036   public:
00038     static pid_t getPid(uint16_t port);
00039 
00040     Daemon();
00041 
00042     virtual ~Daemon();
00043 
00048     void fork();
00049 
00050   protected:
00051 
00053     virtual void parent() = 0;
00054 
00056     virtual void child() = 0;
00057 
00062     uint16_t wait(int timeout);
00063 
00068     void ready(uint16_t port);
00069     
00070   private:
00071     static std::string dir();
00072     static std::string pidFile(uint16_t port);
00073 
00074     pid_t pid;
00075     int pipeFds[2];
00076     std::string lockFile;
00077 };
00078 
00079 }} // namespace qpid::broker
00080 
00081 #endif  

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