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/*
Plugin of Miranda IM for communicating with users of the MSN Messenger protocol.
Copyright (c) 2012-2017 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 "stdafx.h"
#include "msn_proto.h"
//=======================================================================================
int ThreadData::send(const char data[], size_t datalen)
{
resetTimeout();
if (proto->usingGateway) {
mGatewayTimeout = 2;
Netlib_SetPollingTimeout(s, mGatewayTimeout);
}
int rlen = Netlib_Send(s, data, (int)datalen);
if (rlen == SOCKET_ERROR) {
// should really also check if sendlen is the same as datalen
proto->debugLogA("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)
{
if (mWaitPeriod >= clock())
return false;
bool res = false;
if (mIsMainThread)
res = !proto->usingGateway;
else if (mJoinedContactsWLID.getCount() <= 1 || mChatID[0] == 0)
res = true;
if (res) {
proto->debugLogA("Dropping the idle p2p due to inactivity");
if (termPending)
return true;
}
else resetTimeout();
return false;
}
int ThreadData::recv(char* data, size_t datalen)
{
if (!proto->usingGateway) {
resetTimeout();
NETLIBSELECT nls = {};
nls.dwTimeout = 1000;
nls.hReadConns[0] = s;
for (;;) {
int ret = Netlib_Select(&nls);
if (ret < 0) {
proto->debugLogA("Connection abortively closed, error %d", WSAGetLastError());
return ret;
}
else if (ret == 0) {
if (isTimeout()) return 0;
}
else
break;
}
}
LBL_RecvAgain:
int ret = Netlib_Recv(s, data, (int)datalen);
if (ret == 0) {
proto->debugLogA("Connection closed gracefully");
return 0;
}
if (ret < 0) {
proto->debugLogA("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;
Netlib_SetPollingTimeout(s, mGatewayTimeout);
goto LBL_RecvAgain;
}
else {
resetTimeout();
mGatewayTimeout = 1;
Netlib_SetPollingTimeout(s, mGatewayTimeout);
}
}
return ret;
}
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