text: // Copyright (c) Microsoft. All rights reserved.
  // Licensed under the MIT license. See LICENSE file in the project root for full license information.
  
  #ifndef IOTHUB_CLIENT_OPTIONS_H
  #define IOTHUB_CLIENT_OPTIONS_H
  
  #ifdef __cplusplus
  extern "C"
  {
  #endif
  
      typedef struct IOTHUB_PROXY_OPTIONS_TAG
      {
          const char* host_address;
          const char* username;
          const char* password;
      } IOTHUB_PROXY_OPTIONS;
  
      static const char* OPTION_LOG_TRACE = "logtrace";
      static const char* OPTION_X509_CERT = "x509certificate";
      static const char* OPTION_X509_PRIVATE_KEY = "x509privatekey";
      static const char* OPTION_KEEP_ALIVE = "keepalive";
  
      static const char* OPTION_PROXY_HOST = "proxy_address";
      static const char* OPTION_PROXY_USERNAME = "proxy_username";
      static const char* OPTION_PROXY_PASSWORD = "proxy_password";
  
      static const char* OPTION_SAS_TOKEN_LIFETIME = "sas_token_lifetime";
      static const char* OPTION_SAS_TOKEN_REFRESH_TIME = "sas_token_refresh_time";
      static const char* OPTION_CBS_REQUEST_TIMEOUT = "cbs_request_timeout";
  
      static const char* OPTION_MIN_POLLING_TIME = "MinimumPollingTime";
      static const char* OPTION_BATCHING = "Batching";
  
      static const char* OPTION_MESSAGE_TIMEOUT = "messageTimeout";
      static const char* OPTION_PRODUCT_INFO = "product_info";
      static const char* OPTION_C2D_KEEP_ALIVE_FREQ_SECS = "c2d_keep_alive_freq_secs";
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* IOTHUB_CLIENT_OPTIONS_H */
  