ocs.h

#ifndef _OCS_H
#define _OCS_H
/*
 * Fledge OSI Soft OCS integration.
 *
 * Copyright (c) 2020 Dianomic Systems
 *
 * Released under the Apache 2.0 Licence
 *
 * Author: Stefano Simonelli
 */

#include <string>

using namespace std;

#define OCS_HOST          "dat-b.osisoft.com:443"
#define ADH_HOST      "uswe.datahub.connect.aveva.com"
#define TIMEOUT_CONNECT   10
#define TIMEOUT_REQUEST   10
#define RETRY_SLEEP_TIME  1
#define MAX_RETRY         3

#define URL_RETRIEVE_TOKEN "/identity/connect/token"

#define PAYLOAD_RETRIEVE_TOKEN "grant_type=client_credentials&client_id=CLIENT_ID_PLACEHOLDER&client_secret=CLIENT_SECRET_ID_PLACEHOLDER"

class OCS
{
    public:
        OCS();
        OCS(bool adh);

        // Destructor
        ~OCS();

        string  retrieveToken(const string& clientId, const string& clientSecret);
        string  extractToken(const string& response);
    private:
        bool    m_adh;
};
#endif