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Location: cpp/openttd-patchpack/source/src/network/core/tcp_connect.cpp - annotation
r25105:6cf6187bf733
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r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r23587:821735a25dec r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r21383:942c32fb8b0e r21383:942c32fb8b0e r10828:d8d68d002525 r23538:8df50944b27a r10828:d8d68d002525 r17138:5078c9240593 r17138:5078c9240593 r17138:5078c9240593 r17138:5078c9240593 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r23532:dc91fcd293f5 r23607:36c15679007d r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r17138:5078c9240593 r10828:d8d68d002525 r10828:d8d68d002525 r11550:baebd05afdd5 r10828:d8d68d002525 r10828:d8d68d002525 r11550:baebd05afdd5 r11550:baebd05afdd5 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r17138:5078c9240593 r17138:5078c9240593 r17138:5078c9240593 r17138:5078c9240593 r23587:821735a25dec r10828:d8d68d002525 r23587:821735a25dec r10828:d8d68d002525 r10828:d8d68d002525 r17138:5078c9240593 r17138:5078c9240593 r17138:5078c9240593 r17138:5078c9240593 r17138:5078c9240593 r17138:5078c9240593 r10828:d8d68d002525 r10828:d8d68d002525 r23531:603769aaf687 r10828:d8d68d002525 r24271:c20a6e3dcfe0 r24271:c20a6e3dcfe0 r24271:c20a6e3dcfe0 r23531:603769aaf687 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r24271:c20a6e3dcfe0 r23531:603769aaf687 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r24271:c20a6e3dcfe0 r23531:603769aaf687 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r10828:d8d68d002525 r17138:5078c9240593 r10828:d8d68d002525 r10828:d8d68d002525 r23536:ce42deb0b32d r10828:d8d68d002525 | /*
* 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.
*/
#include "../../stdafx.h"
#include "../../thread.h"
#include "tcp.h"
#include "../../safeguards.h"
/** List of connections that are currently being created */
static std::vector<TCPConnecter *> _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.push_back(this);
if (!StartNewThread(nullptr, "ottd:tcp", &TCPConnecter::ThreadEntry, this)) {
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(TCPConnecter *param)
{
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 (auto iter = _tcp_connecters.begin(); iter < _tcp_connecters.end(); /* nothing */) {
TCPConnecter *cur = *iter;
const bool connected = cur->connected.load();
const bool aborted = cur->aborted.load();
if ((connected || aborted) && cur->killed) {
iter = _tcp_connecters.erase(iter);
if (cur->sock != INVALID_SOCKET) closesocket(cur->sock);
delete cur;
continue;
}
if (connected) {
iter = _tcp_connecters.erase(iter);
cur->OnConnect(cur->sock);
delete cur;
continue;
}
if (aborted) {
iter = _tcp_connecters.erase(iter);
cur->OnFailure();
delete cur;
continue;
}
iter++;
}
}
/** Kill all connection attempts. */
/* static */ void TCPConnecter::KillAll()
{
for (TCPConnecter *conn : _tcp_connecters) conn->killed = true;
}
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