text: /*
   * librdkafka - The Apache Kafka C/C++ library
   *
   * Copyright (c) 2015 Magnus Edenhill
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice,
   *    this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef _RDKAFKA_SASL_INT_H_
  #define _RDKAFKA_SASL_INT_H_
  
  struct rd_kafka_sasl_provider {
          const char *name;
  
          /** Per client-instance (rk) initializer */
          int (*init)(rd_kafka_t *rk, char *errstr, size_t errstr_size);
  
          /** Per client-instance (rk) destructor */
          void (*term)(rd_kafka_t *rk);
  
          /** Returns rd_true if provider is ready to be used, else rd_false */
          rd_bool_t (*ready)(rd_kafka_t *rk);
  
          int (*client_new)(rd_kafka_transport_t *rktrans,
                            const char *hostname,
                            char *errstr,
                            size_t errstr_size);
  
          int (*recv)(struct rd_kafka_transport_s *s,
                      const void *buf,
                      size_t size,
                      char *errstr,
                      size_t errstr_size);
          void (*close)(struct rd_kafka_transport_s *);
  
          void (*broker_init)(rd_kafka_broker_t *rkb);
          void (*broker_term)(rd_kafka_broker_t *rkb);
  
          int (*conf_validate)(rd_kafka_t *rk, char *errstr, size_t errstr_size);
  };
  
  #ifdef _WIN32
  extern const struct rd_kafka_sasl_provider rd_kafka_sasl_win32_provider;
  #endif
  
  #if WITH_SASL_CYRUS
  extern const struct rd_kafka_sasl_provider rd_kafka_sasl_cyrus_provider;
  void rd_kafka_sasl_cyrus_global_term(void);
  int rd_kafka_sasl_cyrus_global_init(void);
  #endif
  
  extern const struct rd_kafka_sasl_provider rd_kafka_sasl_plain_provider;
  
  #if WITH_SASL_SCRAM
  extern const struct rd_kafka_sasl_provider rd_kafka_sasl_scram_provider;
  #endif
  
  #if WITH_SASL_OAUTHBEARER
  extern const struct rd_kafka_sasl_provider rd_kafka_sasl_oauthbearer_provider;
  #endif
  
  #if WITH_SASL_AWS_MSK_IAM
  extern const struct rd_kafka_sasl_provider rd_kafka_sasl_aws_msk_iam_provider;
  #endif
  
  void rd_kafka_sasl_auth_done(rd_kafka_transport_t *rktrans);
  int rd_kafka_sasl_send(rd_kafka_transport_t *rktrans,
                         const void *payload,
                         int len,
                         char *errstr,
                         size_t errstr_size);
  
  #endif /* _RDKAFKA_SASL_INT_H_ */
  