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//
// SharedMemoryServer.cpp
//
// Created by Setsu on 6/27/10.
// Copyright 2010 RoundSquare Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
//----------------------------------------
// include
//----------------------------------------
#include <Poco/Util/ServerApplication.h>
#include <Poco/Task.h>
#include <Poco/TaskManager.h>
#include <Poco/SharedMemory.h>
#include <Poco/Format.h>
#include <Poco/Path.h>
#include <Poco/File.h>
#include <Poco/FileStream.h>
#ifndef POCO_VERSION
#include <Poco/Version.h>
#endif
#include <string>
#include <vector>
//----------------------------------------
// const
//----------------------------------------
const std::string kSharedMemoryFileName("./MySharedMemory.txt");
const std::size_t kSharedMemorySize = 33;
const std::string kSharedMemoryName("MyTest");
//----------------------------------------
// ServerTask
//----------------------------------------
class ServerTask: public Poco::Task
{
public:
ServerTask() : Poco::Task("ServerTask")
{
Poco::Path path(kSharedMemoryFileName);
m_File = Poco::File(path);
if(!m_File.exists())
{
m_File.createFile();
Poco::FileOutputStream ostr(m_File.path());
for(std::size_t i=0; i<kSharedMemorySize; ++i)
{
ostr << ' ';
}
}
}
~ServerTask()
{
if(m_File.exists())
{
m_File.remove();
}
}
void runTask()
{
Poco::Logger& logger = Poco::Util::Application::instance().logger();
#if (0x01040100 <= POCO_VERSION)
Poco::SharedMemory sharedMemoryNamed(kSharedMemoryName, kSharedMemorySize, Poco::SharedMemory::AM_WRITE, 0, true);
#endif
std::size_t loopCount = 0;
while(!sleep(300)) // Poco::Task::sleep() should be called in favor of Thread::sleep()
{
Poco::SharedMemory sharedMemory(m_File, Poco::SharedMemory::AM_WRITE);
for(std::size_t i=0; i<kSharedMemorySize; ++i)
{
sharedMemory.begin()[i] = static_cast<char>(('A' + loopCount + i) & 0x7F);
}
logger.information(Poco::format("ServerTask: %c - %c"
, sharedMemory.begin()[0]
, sharedMemory.end()[-1]));
#if (0x01040100 <= POCO_VERSION)
for(std::size_t i=0; i<kSharedMemorySize; ++i)
{
sharedMemoryNamed.begin()[i] = static_cast<char>(('A' + loopCount + i) & 0x7F);
}
logger.information(Poco::format("ServerTask: %c - %c (named)"
, sharedMemoryNamed.begin()[0]
, sharedMemoryNamed.end()[-1]));
#endif
++loopCount;
}
}
private:
Poco::File m_File;
};
//----------------------------------------
// SharedMemoryServer
//----------------------------------------
class SharedMemoryServer: public Poco::Util::ServerApplication
{
public:
SharedMemoryServer()
{
}
protected:
void initialize(Application& self)
{
loadConfiguration(); // load default configuration files, if present
Poco::Util::ServerApplication::initialize(self);
logger().information("SharedMemoryServer starting up");
}
void uninitialize()
{
logger().information("SharedMemoryServer shutting down");
Poco::Util::ServerApplication::uninitialize();
}
int main(const std::vector<std::string>& args)
{
Poco::TaskManager tm;
tm.start(new ServerTask);
waitForTerminationRequest();
tm.cancelAll();
tm.joinAll();
return Application::EXIT_OK;
}
};
//----------------------------------------
// entry point
//----------------------------------------
POCO_SERVER_MAIN(SharedMemoryServer) |
