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Simple service base class for Windows

, 23 Mar 2004
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This class provides a simple way to implement Windows service in C++.

Introduction

The purpose of this code is to show how to make a simple C++ class which wraps WinNT API for service programs. With this class, you can implement a Windows service in a few minutes. This class is not made for advanced service programming, but it should not be too hard modify this source to append any additional functionality. When I implemented this class, I was trying to copy the interface of ServiceBase class from .NET framework. I think it's good design for most requirements of service applications.

Have on mind that using this class you can't implement multiple services in one application. I will implement this in future updates and add more functionality.

Using the code

I didn't provide a sample project this time but here is the code you need for that:

#include <windows.h>
#include <stdio.h>
#include "smart_reference.h"
#include "I_ServiceBase.h"

void WriteLog(const char* message)
{
    FILE* pFile = fopen("C:\\test_service.log","a");
    if(pFile)
    {
        fwrite(message, sizeof(char), strlen(message), pFile); 
        fclose(pFile);
    }
}

class TestService : public CI_ServiceBase
{
public:
    TestService()
    {
        m_bStop = false;
    }

    ~TestService()
    {
        CI_ServiceBase::~CI_ServiceBase();
    }

    virtual void OnStart(int argc, LPTSTR* argv)
    {
        WriteLog("Server started.\n\r");
        while(!m_bStop)
        {
            Sleep(1000);
        }
    }
    virtual void OnStop()
    {
        WriteLog("Server stopped.\n\r");
        m_bStop = true;
    }

    virtual void OnPause()
    {
        WriteLog("Server paused.\n\r");
    }

    virtual void OnContinue()
    {
        WriteLog("Server continued.\n\r");
    }

private:
    bool m_bStop;
};

TestService ts;

int main(int argc, char* argv[])
{
    ts.set_CanPauseAndContinue(false);
    ts.set_ServiceName("isw_test");
    CI_ServiceBase::Run((TestService*)ts);
    return 0;
}

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

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About the Author

EasyWay
Web Developer
Bosnia And Herzegovina Bosnia And Herzegovina
No Biography provided

Comments and Discussions

 
Generalbizarre hard-coded service name buffer length Pinmemberdamnedyankee7-Nov-06 3:39 
Generalincorrect use of SERVICE_WIN32 in CreateService / SetServiceStatus Pinmemberdamnedyankee7-Nov-06 2:50 
GeneralBit manipulation Pinmemberhobyrne24-Oct-05 11:39 
GeneralRe: Bit manipulation PinmemberEasyWay30-May-06 2:46 
GeneralRe: Bit manipulation PinmemberMike C#13-Oct-06 6:22 
GeneralRe: Bit manipulation Pinmemberdamnedyankee7-Nov-06 2:55 
Generalinstall/uninstall -- unmanaged c++ Pinmemberasmotritsky3-Jun-04 15:36 
how do i install/uninstall a service once i've written it?
GeneralNot bad... missing a few pieces... PinmemberPeter Mares24-Mar-04 23:13 
GeneralRe: Not bad... missing a few pieces... PinmemberEasyWay31-Mar-04 3:47 
GeneralFiles not found..... PinmemberJosema24-Mar-04 3:44 

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