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Location: cpp/openttd-patchpack/source/src/network/core/tcp_connect.cpp - annotation
r23034:650207ff17d5
2.8 KiB
text/x-c
Remove: Unused string "STR_ERROR_TOO_CLOSE_TO_ANOTHER_STATION"
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/*
* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file tcp_connect.cpp Basic functions to create connections without blocking.
*/
#ifdef ENABLE_NETWORK
#include "../../stdafx.h"
#include "../../thread/thread.h"
#include "tcp.h"
#include "../../safeguards.h"
/** List of connections that are currently being created */
static SmallVector<TCPConnecter *, 1> _tcp_connecters;
/**
* Create a new connecter for the given address
* @param address the (un)resolved address to connect to
*/
TCPConnecter::TCPConnecter(const NetworkAddress &address) :
connected(false),
aborted(false),
killed(false),
sock(INVALID_SOCKET),
address(address)
{
*_tcp_connecters.Append() = this;
if (!ThreadObject::New(TCPConnecter::ThreadEntry, this, &this->thread, "ottd:tcp")) {
this->Connect();
}
}
/** The actual connection function */
void TCPConnecter::Connect()
{
this->sock = this->address.Connect();
if (this->sock == INVALID_SOCKET) {
this->aborted = true;
} else {
this->connected = true;
}
}
/**
* Entry point for the new threads.
* @param param the TCPConnecter instance to call Connect on.
*/
/* static */ void TCPConnecter::ThreadEntry(void *param)
{
static_cast<TCPConnecter*>(param)->Connect();
}
/**
* Check whether we need to call the callback, i.e. whether we
* have connected or aborted and call the appropriate callback
* for that. It's done this way to ease on the locking that
* would otherwise be needed everywhere.
*/
/* static */ void TCPConnecter::CheckCallbacks()
{
for (TCPConnecter **iter = _tcp_connecters.Begin(); iter < _tcp_connecters.End(); /* nothing */) {
TCPConnecter *cur = *iter;
if ((cur->connected || cur->aborted) && cur->killed) {
_tcp_connecters.Erase(iter);
if (cur->sock != INVALID_SOCKET) closesocket(cur->sock);
delete cur;
continue;
}
if (cur->connected) {
_tcp_connecters.Erase(iter);
cur->OnConnect(cur->sock);
delete cur;
continue;
}
if (cur->aborted) {
_tcp_connecters.Erase(iter);
cur->OnFailure();
delete cur;
continue;
}
iter++;
}
}
/** Kill all connection attempts. */
/* static */ void TCPConnecter::KillAll()
{
for (TCPConnecter **iter = _tcp_connecters.Begin(); iter != _tcp_connecters.End(); iter++) (*iter)->killed = true;
}
#endif /* ENABLE_NETWORK */
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