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src/httpclient.cpp 4.9 KB
8febebf2   Steven de Ridder   Initial commit. d...
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  /* ****************************************************************************
   * Copyright 2019 Open Systems Development BV                                 *
   *                                                                            *
   * Permission is hereby granted, free of charge, to any person obtaining a    *
   * copy of this software and associated documentation files (the "Software"), *
   * to deal in the Software without restriction, including without limitation  *
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,   *
   * and/or sell copies of the Software, and to permit persons to whom the      *
   * Software is furnished to do so, subject to the following conditions:       *
   *                                                                            *
   * The above copyright notice and this permission notice shall be included in *
   * all copies or substantial portions of the Software.                        *
   *                                                                            *
   * 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 AND NONINFRINGEMENT. IN NO EVENT SHALL    *
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    *
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        *
   * DEALINGS IN THE SOFTWARE.                                                  *
   * ***************************************************************************/
  #include "httpclient.h"
  #include "log.h"
  
  using namespace osdev::components;
  
  HttpClient::HttpClient( QObject *parent )
      : QObject( parent )
      , m_pNetworkManager( new QNetworkAccessManager( this ) )
  {
      this->connectSignalsToSlots();
  }
  
  void HttpClient::connectSignalsToSlots()
  {
      connect( m_pNetworkManager.data(), &QNetworkAccessManager::finished, this, &HttpClient::slotHttpRequestFinished );
  }
  
  void HttpClient::sendRequest( const QString &ip_address, const QString &argument )
  {
      QUrl l_url = QString( "http://" + ip_address + argument );
      m_pNetworkManager->get( QNetworkRequest( l_url ) );
  }
  
  void HttpClient::slotHttpRequestFinished( QNetworkReply *data )
  {
      if( data )
      {
          switch( data->error() )
          {
              case QNetworkReply::NoError:
              {
                  QString l_data = data->readAll();
                  emit signalDataReceived( data->url().toString(), l_data, this );
                  break;
              }
              case QNetworkReply::TimeoutError:
              {
                  // Set all data to '0' to indicate the sensor offline
                  break;
              }
              case QNetworkReply::ConnectionRefusedError:
              case QNetworkReply::RemoteHostClosedError:
              case QNetworkReply::HostNotFoundError:
              case QNetworkReply::OperationCanceledError:
              case QNetworkReply::SslHandshakeFailedError:
              case QNetworkReply::TemporaryNetworkFailureError:
              case QNetworkReply::NetworkSessionFailedError:
              case QNetworkReply::BackgroundRequestNotAllowedError:
  #if(QT_VERSION > QT_VERSION_CHECK( 5, 6, 0) )
              case QNetworkReply::TooManyRedirectsError:
              case QNetworkReply::InsecureRedirectError:
  #endif
              case QNetworkReply::ProxyConnectionRefusedError:
              case QNetworkReply::ProxyConnectionClosedError:
              case QNetworkReply::ProxyNotFoundError:
              case QNetworkReply::ProxyTimeoutError:
              case QNetworkReply::ProxyAuthenticationRequiredError:
              case QNetworkReply::ContentAccessDenied:
              case QNetworkReply::ContentOperationNotPermittedError:
              case QNetworkReply::ContentNotFoundError:
              case QNetworkReply::AuthenticationRequiredError:
              case QNetworkReply::ContentReSendError:
              case QNetworkReply::ContentConflictError:
              case QNetworkReply::ContentGoneError:
              case QNetworkReply::InternalServerError:
              case QNetworkReply::OperationNotImplementedError:
              case QNetworkReply::ServiceUnavailableError:
              case QNetworkReply::ProtocolUnknownError:
              case QNetworkReply::ProtocolInvalidOperationError:
              case QNetworkReply::UnknownNetworkError:
              case QNetworkReply::UnknownProxyError:
              case QNetworkReply::UnknownContentError:
              case QNetworkReply::ProtocolFailure:
              case QNetworkReply::UnknownServerError:
              {
                  LogWarning( "[HttpClient::slotHttpRequestFinished]",
                             QString( "The following error occured : %1. Host : %2" )
                                      .arg( data->errorString() )
                                      .arg( data->url().host() ) );
                  break;
              }
          }
      }
  }