95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
/* $Id$ */
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/**
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* @file tcp_connect.cpp Basic functions to create connections without blocking.
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*/
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#ifdef ENABLE_NETWORK
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#include "../../stdafx.h"
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#include "../../debug.h"
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#include "../../core/smallvec_type.hpp"
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#include "../../thread.h"
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#include "tcp.h"
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/** List of connections that are currently being created */
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static SmallVector<TCPConnecter *, 1> _tcp_connecters;
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TCPConnecter::TCPConnecter(const NetworkAddress &address) :
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connected(false),
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aborted(false),
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killed(false),
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sock(INVALID_SOCKET),
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address(address)
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{
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*_tcp_connecters.Append() = this;
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if (!ThreadObject::New(TCPConnecter::ThreadEntry, this, &this->thread)) {
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this->Connect();
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}
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}
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void TCPConnecter::Connect()
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{
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DEBUG(net, 1, "Connecting to %s %d", address.GetHostname(), address.GetPort());
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this->sock = socket(AF_INET, SOCK_STREAM, 0);
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if (this->sock == INVALID_SOCKET) {
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this->aborted = true;
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return;
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}
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if (!SetNoDelay(this->sock)) DEBUG(net, 1, "Setting TCP_NODELAY failed");
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/* We failed to connect for which reason what so ever */
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if (connect(this->sock, (struct sockaddr*)this->address.GetAddress(), sizeof(*this->address.GetAddress())) != 0) {
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closesocket(this->sock);
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this->sock = INVALID_SOCKET;
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this->aborted = true;
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return;
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}
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if (!SetNonBlocking(this->sock)) DEBUG(net, 0, "Setting non-blocking mode failed");
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this->connected = true;
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}
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/* static */ void TCPConnecter::ThreadEntry(void *param)
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{
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static_cast<TCPConnecter*>(param)->Connect();
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}
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/* static */ void TCPConnecter::CheckCallbacks()
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{
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for (TCPConnecter **iter = _tcp_connecters.Begin(); iter < _tcp_connecters.End(); /* nothing */) {
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TCPConnecter *cur = *iter;
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if ((cur->connected || cur->aborted) && cur->killed) {
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_tcp_connecters.Erase(iter);
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if (cur->sock != INVALID_SOCKET) closesocket(cur->sock);
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delete cur;
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continue;
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}
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if (cur->connected) {
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_tcp_connecters.Erase(iter);
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cur->OnConnect(cur->sock);
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delete cur;
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continue;
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}
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if (cur->aborted) {
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_tcp_connecters.Erase(iter);
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cur->OnFailure();
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delete cur;
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continue;
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}
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iter++;
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}
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}
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/* static */ void TCPConnecter::KillAll()
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{
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for (TCPConnecter **iter = _tcp_connecters.Begin(); iter != _tcp_connecters.End(); iter++) (*iter)->killed = true;
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}
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#endif /* ENABLE_NETWORK */
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