text: /**
   * Copyright 2015 Confluent Inc.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #include "serdes_int.h"
  #include "serdes-avro.h"
  
  
  serdes_err_t serdes_schema_deserialize_avro (serdes_schema_t *ss,
                                               avro_value_t *avro,
                                               const void *payload, size_t size,
                                               char *errstr, int errstr_size) {
          avro_reader_t reader;
          avro_value_iface_t *iface;
          serdes_err_t err = SERDES_ERR_OK;
          avro_schema_t avro_schema = ss->ss_schema_obj;
  
          reader = avro_reader_memory(payload, size);
  
          iface = avro_generic_class_from_schema(avro_schema);
          avro_generic_value_new(iface, avro);
  
          if (avro_value_read(reader, avro) != 0) {
                  snprintf(errstr, errstr_size,
                           "Failed to read avro value: %s", avro_strerror());
                  err = SERDES_ERR_PAYLOAD_INVALID;
          }
  
          avro_value_iface_decref(iface);
          avro_reader_free(reader);
  
          return err;
  }
  
  
  
  
  
  serdes_err_t serdes_deserialize_avro (serdes_t *sd, avro_value_t *avro,
                                        serdes_schema_t **schemap,
                                        const void *payload, size_t size,
                                        char *errstr, int errstr_size) {
          serdes_schema_t *ss;
          ssize_t r;
  
          /* "Schema-less" (we look up the schema for the application)
           * deserialization requires message framing so we can figure
           * out the schema id. */
          r = serdes_framing_read(sd, &payload, &size, &ss, errstr, errstr_size);
          if (r == -1)
                  return SERDES_ERR_PAYLOAD_INVALID;
          else if (r == 0) {
                  snprintf(errstr, errstr_size,
                           "\"deserializer.framing\" not configured");
                  return SERDES_ERR_SCHEMA_REQUIRED;
          }
  
          if (schemap)
                  *schemap = ss;
  
          /* Deserialize payload to Avro object */
          return serdes_schema_deserialize_avro(ss, avro, payload, size,
                                                errstr, errstr_size);
  }
  