/**
 * @file llcorehttppolicyclass.cpp
 * @brief Definitions for internal class defining class policy option.
 *
 * $LicenseInfo:firstyear=2012&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2012, Linden Research, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "linden_common.h"

#include "llcorehttpinternal.h"
#include "llcorehttppolicyclass.h"

namespace LLCore
{

HttpPolicyClass::HttpPolicyClass()
:	mConnectionLimit(HTTP_CONNECTION_LIMIT_DEFAULT),
	mPerHostConnectionLimit(HTTP_CONNECTION_LIMIT_DEFAULT),
	mPipelining(HTTP_PIPELINING_DEFAULT),
	mThrottleRate(HTTP_THROTTLE_RATE_DEFAULT),
	mTrace(0L)
{
}

HttpPolicyClass& HttpPolicyClass::operator=(const HttpPolicyClass& other)
{
	if (this != &other)
	{
		mConnectionLimit = other.mConnectionLimit;
		mPerHostConnectionLimit = other.mPerHostConnectionLimit;
		mPipelining = other.mPipelining;
		mThrottleRate = other.mThrottleRate;
		mTrace = other.mTrace;
	}
	return *this;
}

HttpPolicyClass::HttpPolicyClass(const HttpPolicyClass& other)
:	mConnectionLimit(other.mConnectionLimit),
	mPerHostConnectionLimit(other.mPerHostConnectionLimit),
	mPipelining(other.mPipelining),
	mThrottleRate(other.mThrottleRate),
	mTrace(other.mTrace)
{
}

HttpStatus HttpPolicyClass::set(HttpRequest::EPolicyOption opt, long value)
{
	switch (opt)
	{
		case HttpRequest::PO_CONNECTION_LIMIT:
			mConnectionLimit = llclamp(value, long(HTTP_CONNECTION_LIMIT_MIN),
									   long(HTTP_CONNECTION_LIMIT_MAX));
			break;

		case HttpRequest::PO_PER_HOST_CONNECTION_LIMIT:
			mPerHostConnectionLimit = llclamp(value,
											  long(HTTP_CONNECTION_LIMIT_MIN),
											  mConnectionLimit);
			break;

		case HttpRequest::PO_PIPELINING_DEPTH:
			mPipelining = llclamp(value, 0L, HTTP_PIPELINING_MAX);
			break;

		case HttpRequest::PO_THROTTLE_RATE:
			mThrottleRate = llclamp(value, 0L, 1000000L);
			break;

		case HttpRequest::PO_TRACE:
			mTrace = llclamp(value, HTTP_TRACE_MIN, HTTP_TRACE_MAX);
			break;

		default:
			return HttpStatus(HttpStatus::LLCORE, HE_INVALID_ARG);
	}

	return HttpStatus();
}

HttpStatus HttpPolicyClass::get(HttpRequest::EPolicyOption opt,
								long* value) const
{
	switch (opt)
	{
		case HttpRequest::PO_CONNECTION_LIMIT:
			*value = mConnectionLimit;
			break;

		case HttpRequest::PO_PER_HOST_CONNECTION_LIMIT:
			*value = mPerHostConnectionLimit;
			break;

		case HttpRequest::PO_PIPELINING_DEPTH:
			*value = mPipelining;
			break;

		case HttpRequest::PO_THROTTLE_RATE:
			*value = mThrottleRate;
			break;

		default:
			return HttpStatus(HttpStatus::LLCORE, HE_INVALID_ARG);
	}

	return HttpStatus();
}

}  // End namespace LLCore