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/*
Plugin of Miranda IM for communicating with users of the MSN Messenger protocol.
Copyright (c) 2012-2013 Miranda NG Team
Copyright (c) 2006-2012 Boris Krasnovskiy.
Copyright (c) 2003-2005 George Hazan.
Copyright (c) 2002-2003 Richard Hughes (original version).
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "msn_global.h"
#include "msn_proto.h"
//=======================================================================================
int ThreadData::send(const char data[], size_t datalen)
{
NETLIBBUFFER nlb = { (char*)data, (int)datalen, 0 };
resetTimeout();
if (proto->usingGateway && !(mType == SERVER_FILETRANS || mType == SERVER_P2P_DIRECT))
{
mGatewayTimeout = 2;
CallService(MS_NETLIB_SETPOLLINGTIMEOUT, WPARAM(s), mGatewayTimeout);
}
int rlen = CallService(MS_NETLIB_SEND, (WPARAM)s, (LPARAM)&nlb);
if (rlen == SOCKET_ERROR)
{
// should really also check if sendlen is the same as datalen
proto->MSN_DebugLog("Send failed: %d", WSAGetLastError());
return FALSE;
}
return TRUE;
}
void ThreadData::resetTimeout(bool term)
{
int timeout = term ? 10 : mIsMainThread ? 65 : 120;
mWaitPeriod = clock() + timeout * CLOCKS_PER_SEC;
}
bool ThreadData::isTimeout(void)
{
bool res = false;
if (mWaitPeriod >= clock()) return false;
if (mIsMainThread)
{
res = !proto->usingGateway;
}
else if (mJoinedContactsWLID.getCount() <= 1 || mChatID[0] == 0)
{
HANDLE hContact = getContactHandle();
if (mJoinedContactsWLID.getCount() == 0 || termPending)
res = true;
else if (proto->p2p_getThreadSession(hContact, mType) != NULL)
res = false;
else if (mType == SERVER_SWITCHBOARD)
{
res = MSN_MsgWndExist(hContact);
if (res)
{
WORD status = proto->getWord(hContact, "Status", ID_STATUS_OFFLINE);
if ((status == ID_STATUS_OFFLINE || status == ID_STATUS_INVISIBLE || proto->m_iStatus == ID_STATUS_INVISIBLE))
res = false;
}
}
else
res = true;
}
if (res)
{
bool sbsess = mType == SERVER_SWITCHBOARD;
proto->MSN_DebugLog("Dropping the idle %s due to inactivity", sbsess ? "switchboard" : "p2p");
if (!sbsess || termPending) return true;
if (proto->getByte("EnableSessionPopup", 0))
{
HANDLE hContact = NULL;
if (mJoinedContactsWLID.getCount())
hContact = proto->MSN_HContactFromEmail(mJoinedContactsWLID[0]);
else if (mInitialContactWLID)
hContact = proto->MSN_HContactFromEmail(mInitialContactWLID);
if (hContact)
proto->MSN_ShowPopup(hContact, TranslateT("Chat session dropped due to inactivity"), 0);
}
sendTerminate();
resetTimeout(true);
}
else
resetTimeout();
return false;
}
int ThreadData::recv(char* data, size_t datalen)
{
NETLIBBUFFER nlb = { data, (int)datalen, 0 };
if (!proto->usingGateway)
{
resetTimeout();
NETLIBSELECT nls = { 0 };
nls.cbSize = sizeof(nls);
nls.dwTimeout = 1000;
nls.hReadConns[0] = s;
for (;;)
{
int ret = CallService(MS_NETLIB_SELECT, 0, (LPARAM)&nls);
if (ret < 0)
{
proto->MSN_DebugLog("Connection abortively closed, error %d", WSAGetLastError());
return ret;
}
else if (ret == 0)
{
if (isTimeout()) return 0;
}
else
break;
}
}
LBL_RecvAgain:
int ret = CallService(MS_NETLIB_RECV, (WPARAM)s, (LPARAM)&nlb);
if (ret == 0)
{
proto->MSN_DebugLog("Connection closed gracefully");
return 0;
}
if (ret < 0)
{
proto->MSN_DebugLog("Connection abortively closed, error %d", WSAGetLastError());
return ret;
}
if (proto->usingGateway)
{
if (ret == 1 && *data == 0)
{
if (sessionClosed || isTimeout()) return 0;
if ((mGatewayTimeout += 2) > 20) mGatewayTimeout = 20;
CallService(MS_NETLIB_SETPOLLINGTIMEOUT, WPARAM(s), mGatewayTimeout);
goto LBL_RecvAgain;
}
else
{
resetTimeout();
mGatewayTimeout = 1;
CallService(MS_NETLIB_SETPOLLINGTIMEOUT, WPARAM(s), mGatewayTimeout);
}
}
return ret;
}
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