/*

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You 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 <log4cxx/logstring.h>

#include <log4cxx/helpers/socketoutputstream.h>

#include <log4cxx/helpers/socket.h>

#include <log4cxx/helpers/bytebuffer.h>

#include <log4cxx/helpers/exception.h>

#include <cstdio>

#include <cstring>

using namespace LOG4CXX_NS;

using namespace LOG4CXX_NS::helpers;

struct SocketOutputStream::SocketOutputStreamPrivate

{

  ByteList array;

  SocketPtr socket;

};

IMPLEMENT_LOG4CXX_OBJECT(SocketOutputStream)

SocketOutputStream::SocketOutputStream(const SocketPtr& socket1)

  : m_priv(std::make_unique<SocketOutputStreamPrivate>())

{

  m_priv->socket = socket1;

}

SocketOutputStream::~SocketOutputStream()

{

}

void SocketOutputStream::close(Pool& p)

{

  flush(p);

  m_priv->socket->close();

}

void SocketOutputStream::flush(Pool& /* p */)

{

  if (m_priv->array.size() > 0)

  {

    ByteBuffer buf((char*) &m_priv->array[0], m_priv->array.size());

    m_priv->socket->write(buf);

    m_priv->array.resize(0);

  }

}

void SocketOutputStream::write(ByteBuffer& buf, Pool& /* p */ )

{

  if (buf.remaining() > 0)

  {

    const size_t count = buf.remaining();

    const size_t sz = m_priv->array.size();

    if (count > m_priv->array.max_size() - sz)

    {

      throw IllegalArgumentException(LOG4CXX_STR("SocketOutputStream::write overflow"));

    }

    m_priv->array.resize(sz + count);

    memcpy(&m_priv->array[sz], buf.current(), count);

    buf.increment_position(count);

  }

}