Files
wlan-cloud-lib-cppkafka/src/event.cpp
2018-11-10 10:26:03 -08:00

94 lines
3.1 KiB
C++

/*
* Copyright (c) 2018, Matias Fontanini
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
*
*/
#include "event.h"
using std::allocator;
using std::string;
using std::unique_ptr;
using std::vector;
namespace cppkafka {
Event::Event(rd_kafka_event_t* handle)
: handle_(handle, &rd_kafka_event_destroy) {
}
string Event::get_name() const {
return rd_kafka_event_name(handle_.get());
}
rd_kafka_event_type_t Event::get_type() const {
return rd_kafka_event_type(handle_.get());
}
Message Event::get_next_message() const {
// Note: the constness in rd_kafka_event_message_next's return value is not needed and it
// breaks Message's interface. This is dirty but it looks like it should have no side effects.
const auto message =
const_cast<rd_kafka_message_t*>(rd_kafka_event_message_next(handle_.get()));
return Message::make_non_owning(message);
}
vector<Message> Event::get_messages() {
return get_messages(allocator<Message>());
}
size_t Event::get_message_count() const {
return rd_kafka_event_message_count(handle_.get());
}
Error Event::get_error() const {
return rd_kafka_event_error(handle_.get());
}
void* Event::get_opaque() const {
return rd_kafka_event_opaque(handle_.get());
}
TopicPartition Event::get_topic_partition() const {
using TopparHandle = unique_ptr<rd_kafka_topic_partition_t,
decltype(&rd_kafka_topic_partition_destroy)>;
TopparHandle toppar_handle{rd_kafka_event_topic_partition(handle_.get()),
&rd_kafka_topic_partition_destroy};
return TopicPartition(toppar_handle->topic, toppar_handle->partition, toppar_handle->offset);
}
TopicPartitionList Event::get_topic_partition_list() const {
auto toppars_handle = rd_kafka_event_topic_partition_list(handle_.get());
return convert(toppars_handle);
}
Event::operator bool() const {
return !!handle_;
}
} // cppkafka