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Location: cpp/openttd-patchpack/source/src/network/core/tcp_connect.cpp - annotation
r10907:3616576a3216
2.3 KiB
text/x-c
(svn r15242) -Feature: allow moving clients between companies/spectators by the server and the clients themselves (dihedral)
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/**
* @file tcp_connect.cpp Basic functions to create connections without blocking.
*/
#ifdef ENABLE_NETWORK
#include "../../stdafx.h"
#include "../../debug.h"
#include "../../core/smallvec_type.hpp"
#include "../../thread.h"
#include "tcp.h"
/** List of connections that are currently being created */
static SmallVector<TCPConnecter *, 1> _tcp_connecters;
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)) {
this->Connect();
}
}
void TCPConnecter::Connect()
{
DEBUG(net, 1, "Connecting to %s %d", address.GetHostname(), address.GetPort());
this->sock = socket(AF_INET, SOCK_STREAM, 0);
if (this->sock == INVALID_SOCKET) {
this->aborted = true;
return;
}
if (!SetNoDelay(this->sock)) DEBUG(net, 1, "Setting TCP_NODELAY failed");
struct sockaddr_in sin;
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = address.GetIP();
sin.sin_port = htons(address.GetPort());
/* We failed to connect for which reason what so ever */
if (connect(this->sock, (struct sockaddr*) &sin, sizeof(sin)) != 0) {
closesocket(this->sock);
this->sock = INVALID_SOCKET;
this->aborted = true;
return;
}
if (!SetNonBlocking(this->sock)) DEBUG(net, 0, "Setting non-blocking mode failed");
this->connected = true;
}
/* static */ void TCPConnecter::ThreadEntry(void *param)
{
static_cast<TCPConnecter*>(param)->Connect();
}
/* 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++;
}
}
/* 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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