api.cpp

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// api.cpp : Implementation of Capi

#include "stdafx.h"
#include "api.h"
#include "session.h"

#include "instapi_utils.h"



// Capi

STDMETHODIMP Capi::InterfaceSupportsErrorInfo(REFIID riid)
{
        static const IID* const arr[] = 
        {
                &IID_Iapi
        };

        for (int i=0; i < sizeof(arr) / sizeof(arr[0]); i++)
        {
                if (InlineIsEqualGUID(*arr[i],riid))
                        return S_OK;
        }
        return S_FALSE;
}


STDMETHODIMP Capi::create(BSTR instrument, BSTR user_name, BSTR password, Isession** session)
{
        std::string errmsg;
        try
        {
                InstAPILib* the_api = inst_api.get();
                // initialise session
                ULONG session_id = 0; 
                the_api->createSession(instrument, user_name, password, &session_id);
                // create session object for result
                CComPtr<Csession::Isession> the_session;
                the_session.CoCreateInstance(CLSID_session, 0, CLSCTX_ALL);
                the_session->put_session_id(session_id);
                *session = the_session.Detach();
        }
        catch(const std::exception& ex)
        {
                errmsg = ex.what();
        }
        return reportError(this, errmsg);
}