/*
 * Copyright: JessMA Open Source (ldcsaa@gmail.com)
 *
 * Author	: Bruce Liang
 * Website	: https://github.com/ldcsaa
 * Project	: https://github.com/ldcsaa/HP-Socket
 * Blog		: http://www.cnblogs.com/ldcsaa
 * Wiki		: http://www.oschina.net/p/hp-socket
 * QQ Group	: 44636872, 75375912
 *
 * 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 "SSLClient.h"
#include "SSLHelper.h"

#ifdef _SSL_SUPPORT

BOOL CSSLClient::CheckParams()
{
	if(!m_sslCtx.IsValid())
	{
		SetLastError(SE_SSL_ENV_NOT_READY, __FUNCTION__, ERROR_NOT_READY);
		return FALSE;
	}

	return __super::CheckParams();
}

void CSSLClient::PrepareStart()
{
	m_dwMainThreadID = SELF_THREAD_ID;

	__super::PrepareStart();
}

void CSSLClient::Reset()
{
	m_sslSession.Reset();

	if(m_dwMainThreadID != 0)
	{
		m_sslCtx.RemoveThreadLocalState(m_dwMainThreadID);
		m_dwMainThreadID = 0;
	}

	__super::Reset();
}

void CSSLClient::OnWorkerThreadEnd(THR_ID dwThreadID)
{
	m_sslCtx.RemoveThreadLocalState();

	__super::OnWorkerThreadEnd(dwThreadID);
}

BOOL CSSLClient::SendPackets(const WSABUF pBuffers[], int iCount)
{
	ASSERT(pBuffers && iCount > 0);

	if(m_sslSession.IsValid())
		return ::ProcessSend(this, this, &m_sslSession, pBuffers, iCount);
	else
		return DoSendPackets(this, pBuffers, iCount);
}

EnHandleResult CSSLClient::FireConnect()
{
	EnHandleResult result = DoFireConnect(this);

	if(result != HR_ERROR && m_bSSLAutoHandShake)
		DoSSLHandShake();

	return result;
}

EnHandleResult CSSLClient::FireReceive(const BYTE* pData, int iLength)
{
	if(m_sslSession.IsValid())
		return ::ProcessReceive(this, this, &m_sslSession, pData, iLength);
	else
		return DoFireReceive(this, pData, iLength);
}

BOOL CSSLClient::StartSSLHandShake()
{
	if(IsSSLAutoHandShake())
	{
		::SetLastError(ERROR_INVALID_OPERATION);
		return FALSE;
	}

	return StartSSLHandShakeNoCheck();
}

BOOL CSSLClient::StartSSLHandShakeNoCheck()
{
	if(!IsConnected())
	{
		::SetLastError(ERROR_INVALID_STATE);
		return FALSE;
	}

	CCriSecLock locallock(m_sslSession.GetSendLock());

	if(!IsConnected())
	{
		::SetLastError(ERROR_INVALID_STATE);
		return FALSE;
	}

	if(m_sslSession.IsValid())
	{
		::SetLastError(ERROR_ALREADY_INITIALIZED);
		return FALSE;
	}

	DoSSLHandShake();

	return TRUE;
}

void CSSLClient::DoSSLHandShake()
{
	m_sslSession.Renew(m_sslCtx, m_strHost);
	ENSURE(::ProcessHandShake(this, this, &m_sslSession) == HR_OK);
}

BOOL CSSLClient::GetSSLSessionInfo(EnSSLSessionInfo enInfo, LPVOID* lppInfo)
{
	if(!m_sslSession.IsValid())
	{
		::SetLastError(ERROR_INVALID_STATE);
		return FALSE;
	}

	return m_sslSession.GetSessionInfo(enInfo, lppInfo);
}

#endif