simple_http.h

#ifndef _SIMPLE_HTTP_H
#define _SIMPLE_HTTP_H
/*
 * Fledge HTTP Sender wrapper.
 *
 * Copyright (c) 2018 Dianomic Systems
 *
 * Released under the Apache 2.0 Licence
 *
 * Author: Massimiliano Pinto, Mark Riddoch
 */
 
#include <string>
#include <vector>
#include <http_sender.h>
#include <client_http.hpp>
#include <fstream>
 
using HttpClient = SimpleWeb::Client<SimpleWeb::HTTP>;
 
class SimpleHttp: public HttpSender
{
    public:
        SimpleHttp(const std::string& host_port,
                unsigned int connect_timeout = 0,
                unsigned int request_timeout = 0,
                unsigned int retry_sleep_Time = 1,
                unsigned int max_retry = 4);
 
 
        // Destructor
        ~SimpleHttp();
 
        void setProxy(const std::string& proxy);
 
        int sendRequest(
                const std::string& method = std::string(HTTP_SENDER_DEFAULT_METHOD),
                const std::string& path = std::string(HTTP_SENDER_DEFAULT_PATH),
                const std::vector<std::pair<std::string, std::string>>& headers = {},
                const std::string& payload = std::string()
        );
 
        void setAuthMethod          (std::string& authMethod)           {m_authMethod = authMethod; }
        void setAuthBasicCredentials(std::string& authBasicCredentials) {m_authBasicCredentials = authBasicCredentials; }
 
        std::string getHostPort()     { return m_host_port; };
        std::string getHTTPResponse() { return m_HTTPResponse; };
        unsigned int getMaxRetries()  { return m_max_retry; };
 
        // OCS configurations
        void setOCSNamespace         (std::string& OCSNamespace)          {m_OCSNamespace    = OCSNamespace; }
        void setOCSTenantId          (std::string& OCSTenantId)           {m_OCSTenantId     = OCSTenantId; }
        void setOCSClientId          (std::string& OCSClientId)           {m_OCSClientId     = OCSClientId; }
        void setOCSClientSecret      (std::string& OCSClientSecret)       {m_OCSClientSecret = OCSClientSecret; }
        void setOCSToken             (std::string& OCSToken)              {m_OCSToken        = OCSToken; }
        void setMaxRetries           (unsigned int retries)               {m_max_retry = retries; };
 
    private:
        // Make private the copy constructor and operator=
        SimpleHttp(const SimpleHttp&);
        SimpleHttp& operator=(SimpleHttp const &);
        void setTrace();
        void resetTrace();
 
    private:
        std::string     m_host_port;
        HttpClient     *m_sender;
        std::string     m_HTTPResponse;
        unsigned int    m_retry_sleep_time;       // Seconds between each retry
        unsigned int    m_max_retry;              // Max number of retries in the communication
 
        std::string m_authMethod;             // Authentication method to be used
        std::string m_authBasicCredentials;   // Credentials is the base64 encoding of id and password joined by a single colon (:)
 
        // OCS configurations
        std::string m_OCSNamespace;
        std::string m_OCSTenantId;
        std::string m_OCSClientId;
        std::string m_OCSClientSecret;
        std::string m_OCSToken;
        bool        m_log;
        std::ofstream   m_ofs;
};
 
#endif