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@@ -0,0 +1,613 @@
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+/**************************************************************************/
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+/* net_socket_winsock.cpp */
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+/**************************************************************************/
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+/* This file is part of: */
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+/* GODOT ENGINE */
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+/* https://godotengine.org */
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+/**************************************************************************/
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+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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+/* */
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+/* Permission is hereby granted, free of charge, to any person obtaining */
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+/* a copy of this software and associated documentation files (the */
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+/* "Software"), to deal in the Software without restriction, including */
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+/* without limitation the rights to use, copy, modify, merge, publish, */
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+/* distribute, sublicense, and/or sell copies of the Software, and to */
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+/* permit persons to whom the Software is furnished to do so, subject to */
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+/* the following conditions: */
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+/* */
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+/* The above copyright notice and this permission notice shall be */
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+/* included in all copies or substantial portions of the Software. */
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+/* */
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+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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+/**************************************************************************/
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+
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+#ifdef WINDOWS_ENABLED
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+
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+#include "net_socket_winsock.h"
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+
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+#include <winsock2.h>
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+#include <ws2tcpip.h>
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+
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+#include <mswsock.h>
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+// Workaround missing flag in MinGW
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+#if defined(__MINGW32__) && !defined(SIO_UDP_NETRESET)
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+#define SIO_UDP_NETRESET _WSAIOW(IOC_VENDOR, 15)
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+#endif
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+
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+size_t NetSocketWinSock::_set_addr_storage(struct sockaddr_storage *p_addr, const IPAddress &p_ip, uint16_t p_port, IP::Type p_ip_type) {
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+ memset(p_addr, 0, sizeof(struct sockaddr_storage));
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+ if (p_ip_type == IP::TYPE_IPV6 || p_ip_type == IP::TYPE_ANY) { // IPv6 socket.
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+
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+ // IPv6 only socket with IPv4 address.
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+ ERR_FAIL_COND_V(!p_ip.is_wildcard() && p_ip_type == IP::TYPE_IPV6 && p_ip.is_ipv4(), 0);
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+
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+ struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)p_addr;
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+ addr6->sin6_family = AF_INET6;
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+ addr6->sin6_port = htons(p_port);
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+ if (p_ip.is_valid()) {
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+ memcpy(&addr6->sin6_addr.s6_addr, p_ip.get_ipv6(), 16);
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+ } else {
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+ addr6->sin6_addr = in6addr_any;
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+ }
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+ return sizeof(sockaddr_in6);
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+ } else { // IPv4 socket.
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+
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+ // IPv4 socket with IPv6 address.
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+ ERR_FAIL_COND_V(!p_ip.is_wildcard() && !p_ip.is_ipv4(), 0);
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+
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+ struct sockaddr_in *addr4 = (struct sockaddr_in *)p_addr;
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+ addr4->sin_family = AF_INET;
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+ addr4->sin_port = htons(p_port); // Short, network byte order.
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+
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+ if (p_ip.is_valid()) {
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+ memcpy(&addr4->sin_addr.s_addr, p_ip.get_ipv4(), 4);
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+ } else {
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+ addr4->sin_addr.s_addr = INADDR_ANY;
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+ }
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+
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+ return sizeof(sockaddr_in);
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+ }
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+}
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+
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+void NetSocketWinSock::_set_ip_port(struct sockaddr_storage *p_addr, IPAddress *r_ip, uint16_t *r_port) {
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+ if (p_addr->ss_family == AF_INET) {
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+ struct sockaddr_in *addr4 = (struct sockaddr_in *)p_addr;
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+ if (r_ip) {
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+ r_ip->set_ipv4((uint8_t *)&(addr4->sin_addr.s_addr));
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+ }
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+ if (r_port) {
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+ *r_port = ntohs(addr4->sin_port);
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+ }
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+ } else if (p_addr->ss_family == AF_INET6) {
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+ struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)p_addr;
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+ if (r_ip) {
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+ r_ip->set_ipv6(addr6->sin6_addr.s6_addr);
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+ }
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+ if (r_port) {
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+ *r_port = ntohs(addr6->sin6_port);
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+ }
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+ }
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+}
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+
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+NetSocket *NetSocketWinSock::_create_func() {
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+ return memnew(NetSocketWinSock);
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+}
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+
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+void NetSocketWinSock::make_default() {
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+ ERR_FAIL_COND(_create != nullptr);
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+
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+ WSADATA data;
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+ WSAStartup(MAKEWORD(2, 2), &data);
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+ _create = _create_func;
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+}
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+
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+void NetSocketWinSock::cleanup() {
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+ ERR_FAIL_COND(_create == nullptr);
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+
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+ WSACleanup();
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+ _create = nullptr;
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+}
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+
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+NetSocketWinSock::NetSocketWinSock() {
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+}
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+
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+NetSocketWinSock::~NetSocketWinSock() {
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+ close();
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+}
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+
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+NetSocketWinSock::NetError NetSocketWinSock::_get_socket_error() const {
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+ int err = WSAGetLastError();
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+ if (err == WSAEISCONN) {
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+ return ERR_NET_IS_CONNECTED;
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+ }
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+ if (err == WSAEINPROGRESS || err == WSAEALREADY) {
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+ return ERR_NET_IN_PROGRESS;
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+ }
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+ if (err == WSAEWOULDBLOCK) {
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+ return ERR_NET_WOULD_BLOCK;
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+ }
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+ if (err == WSAEADDRINUSE || err == WSAEADDRNOTAVAIL) {
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+ return ERR_NET_ADDRESS_INVALID_OR_UNAVAILABLE;
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+ }
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+ if (err == WSAEACCES) {
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+ return ERR_NET_UNAUTHORIZED;
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+ }
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+ if (err == WSAEMSGSIZE || err == WSAENOBUFS) {
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+ return ERR_NET_BUFFER_TOO_SMALL;
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+ }
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+ print_verbose("Socket error: " + itos(err) + ".");
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+ return ERR_NET_OTHER;
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+}
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+
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+bool NetSocketWinSock::_can_use_ip(const IPAddress &p_ip, const bool p_for_bind) const {
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+ if (p_for_bind && !(p_ip.is_valid() || p_ip.is_wildcard())) {
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+ return false;
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+ } else if (!p_for_bind && !p_ip.is_valid()) {
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+ return false;
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+ }
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+ // Check if socket support this IP type.
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+ IP::Type type = p_ip.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
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+ return !(_ip_type != IP::TYPE_ANY && !p_ip.is_wildcard() && _ip_type != type);
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+}
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+
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+_FORCE_INLINE_ Error NetSocketWinSock::_change_multicast_group(IPAddress p_ip, String p_if_name, bool p_add) {
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+ ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
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+ ERR_FAIL_COND_V(!_can_use_ip(p_ip, false), ERR_INVALID_PARAMETER);
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+
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+ // Need to force level and af_family to IP(v4) when using dual stacking and provided multicast group is IPv4.
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+ IP::Type type = _ip_type == IP::TYPE_ANY && p_ip.is_ipv4() ? IP::TYPE_IPV4 : _ip_type;
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+ // This needs to be the proper level for the multicast group, no matter if the socket is dual stacking.
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+ int level = type == IP::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6;
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+ int ret = -1;
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+
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+ IPAddress if_ip;
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+ uint32_t if_v6id = 0;
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+ HashMap<String, IP::Interface_Info> if_info;
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+ IP::get_singleton()->get_local_interfaces(&if_info);
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+ for (KeyValue<String, IP::Interface_Info> &E : if_info) {
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+ IP::Interface_Info &c = E.value;
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+ if (c.name != p_if_name) {
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+ continue;
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+ }
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+
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+ if_v6id = (uint32_t)c.index.to_int();
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+ if (type == IP::TYPE_IPV6) {
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+ break; // IPv6 uses index.
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+ }
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+
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+ for (const IPAddress &F : c.ip_addresses) {
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+ if (!F.is_ipv4()) {
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+ continue; // Wrong IP type.
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+ }
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+ if_ip = F;
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+ break;
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+ }
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+ break;
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+ }
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+
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+ if (level == IPPROTO_IP) {
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+ ERR_FAIL_COND_V(!if_ip.is_valid(), ERR_INVALID_PARAMETER);
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+ struct ip_mreq greq;
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+ int sock_opt = p_add ? IP_ADD_MEMBERSHIP : IP_DROP_MEMBERSHIP;
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+ memcpy(&greq.imr_multiaddr, p_ip.get_ipv4(), 4);
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+ memcpy(&greq.imr_interface, if_ip.get_ipv4(), 4);
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+ ret = setsockopt(_sock, level, sock_opt, (const char *)&greq, sizeof(greq));
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+ } else {
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+ struct ipv6_mreq greq;
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+ int sock_opt = p_add ? IPV6_ADD_MEMBERSHIP : IPV6_DROP_MEMBERSHIP;
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+ memcpy(&greq.ipv6mr_multiaddr, p_ip.get_ipv6(), 16);
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+ greq.ipv6mr_interface = if_v6id;
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+ ret = setsockopt(_sock, level, sock_opt, (const char *)&greq, sizeof(greq));
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+ }
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+ ERR_FAIL_COND_V(ret != 0, FAILED);
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+
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+ return OK;
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+}
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+
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+void NetSocketWinSock::_set_socket(SOCKET p_sock, IP::Type p_ip_type, bool p_is_stream) {
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+ _sock = p_sock;
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+ _ip_type = p_ip_type;
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+ _is_stream = p_is_stream;
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+}
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+
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+Error NetSocketWinSock::open(Type p_sock_type, IP::Type &ip_type) {
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+ ERR_FAIL_COND_V(is_open(), ERR_ALREADY_IN_USE);
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+ ERR_FAIL_COND_V(ip_type > IP::TYPE_ANY || ip_type < IP::TYPE_NONE, ERR_INVALID_PARAMETER);
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+
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+ int family = ip_type == IP::TYPE_IPV4 ? AF_INET : AF_INET6;
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+ int protocol = p_sock_type == TYPE_TCP ? IPPROTO_TCP : IPPROTO_UDP;
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+ int type = p_sock_type == TYPE_TCP ? SOCK_STREAM : SOCK_DGRAM;
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+ _sock = socket(family, type, protocol);
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+
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+ if (_sock == INVALID_SOCKET && ip_type == IP::TYPE_ANY) {
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+ // Careful here, changing the referenced parameter so the caller knows that we are using an IPv4 socket
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+ // in place of a dual stack one, and further calls to _set_sock_addr will work as expected.
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+ ip_type = IP::TYPE_IPV4;
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+ family = AF_INET;
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+ _sock = socket(family, type, protocol);
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+ }
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+
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+ ERR_FAIL_COND_V(_sock == INVALID_SOCKET, FAILED);
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+ _ip_type = ip_type;
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+
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+ if (family == AF_INET6) {
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+ // Select IPv4 over IPv6 mapping.
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+ set_ipv6_only_enabled(ip_type != IP::TYPE_ANY);
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+ }
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+
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+ if (protocol == IPPROTO_UDP) {
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+ // Make sure to disable broadcasting for UDP sockets.
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+ // Depending on the OS, this option might or might not be enabled by default. Let's normalize it.
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+ set_broadcasting_enabled(false);
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+ }
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+
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+ _is_stream = p_sock_type == TYPE_TCP;
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+
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+ if (!_is_stream) {
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+ // Disable windows feature/bug reporting WSAECONNRESET/WSAENETRESET when
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+ // recv/recvfrom and an ICMP reply was received from a previous send/sendto.
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+ unsigned long disable = 0;
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+ if (ioctlsocket(_sock, SIO_UDP_CONNRESET, &disable) == SOCKET_ERROR) {
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+ print_verbose("Unable to turn off UDP WSAECONNRESET behavior on Windows.");
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+ }
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+ if (ioctlsocket(_sock, SIO_UDP_NETRESET, &disable) == SOCKET_ERROR) {
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+ // This feature seems not to be supported on wine.
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+ print_verbose("Unable to turn off UDP WSAENETRESET behavior on Windows.");
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+ }
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+ }
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+ return OK;
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+}
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+
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+void NetSocketWinSock::close() {
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+ if (_sock != INVALID_SOCKET) {
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+ closesocket(_sock);
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+ }
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+
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+ _sock = INVALID_SOCKET;
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+ _ip_type = IP::TYPE_NONE;
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+ _is_stream = false;
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+}
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+
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+Error NetSocketWinSock::bind(IPAddress p_addr, uint16_t p_port) {
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+ ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
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+ ERR_FAIL_COND_V(!_can_use_ip(p_addr, true), ERR_INVALID_PARAMETER);
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+
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+ sockaddr_storage addr;
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+ size_t addr_size = _set_addr_storage(&addr, p_addr, p_port, _ip_type);
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+
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+ if (::bind(_sock, (struct sockaddr *)&addr, addr_size) != 0) {
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+ NetError err = _get_socket_error();
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+ print_verbose("Failed to bind socket. Error: " + itos(err) + ".");
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+ close();
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+ return ERR_UNAVAILABLE;
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+ }
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+
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+ return OK;
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+}
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+
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+Error NetSocketWinSock::listen(int p_max_pending) {
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+ ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
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+
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+ if (::listen(_sock, p_max_pending) != 0) {
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+ _get_socket_error();
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+ print_verbose("Failed to listen from socket.");
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+ close();
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+ return FAILED;
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+ }
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+
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+ return OK;
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+}
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+
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+Error NetSocketWinSock::connect_to_host(IPAddress p_host, uint16_t p_port) {
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+ ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
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+ ERR_FAIL_COND_V(!_can_use_ip(p_host, false), ERR_INVALID_PARAMETER);
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+
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+ struct sockaddr_storage addr;
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+ size_t addr_size = _set_addr_storage(&addr, p_host, p_port, _ip_type);
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+
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+ if (::WSAConnect(_sock, (struct sockaddr *)&addr, addr_size, nullptr, nullptr, nullptr, nullptr) != 0) {
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+ NetError err = _get_socket_error();
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+
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+ switch (err) {
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+ // We are already connected.
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+ case ERR_NET_IS_CONNECTED:
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+ return OK;
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+ // Still waiting to connect, try again in a while.
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+ case ERR_NET_WOULD_BLOCK:
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+ case ERR_NET_IN_PROGRESS:
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+ return ERR_BUSY;
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+ default:
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+ print_verbose("Connection to remote host failed.");
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+ close();
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+ return FAILED;
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+ }
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+ }
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+
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+ return OK;
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+}
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+
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+Error NetSocketWinSock::poll(PollType p_type, int p_timeout) const {
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+ ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
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+
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+ bool ready = false;
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+ fd_set rd, wr, ex;
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+ fd_set *rdp = nullptr;
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+ fd_set *wrp = nullptr;
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+ FD_ZERO(&rd);
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+ FD_ZERO(&wr);
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+ FD_ZERO(&ex);
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+ FD_SET(_sock, &ex);
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+ struct timeval timeout = { p_timeout / 1000, (p_timeout % 1000) * 1000 };
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+ // For blocking operation, pass nullptr timeout pointer to select.
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+ struct timeval *tp = nullptr;
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+ if (p_timeout >= 0) {
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+ // If timeout is non-negative, we want to specify the timeout instead.
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+ tp = &timeout;
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+ }
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+
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+ switch (p_type) {
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+ case POLL_TYPE_IN:
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+ FD_SET(_sock, &rd);
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+ rdp = &rd;
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+ break;
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+ case POLL_TYPE_OUT:
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+ FD_SET(_sock, &wr);
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+ wrp = ≀
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+ break;
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+ case POLL_TYPE_IN_OUT:
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+ FD_SET(_sock, &rd);
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+ FD_SET(_sock, &wr);
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+ rdp = &rd;
|
|
|
+ wrp = ≀
|
|
|
+ }
|
|
|
+ // WSAPoll is broken: https://daniel.haxx.se/blog/2012/10/10/wsapoll-is-broken/.
|
|
|
+ int ret = select(1, rdp, wrp, &ex, tp);
|
|
|
+
|
|
|
+ if (ret == SOCKET_ERROR) {
|
|
|
+ return FAILED;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (ret == 0) {
|
|
|
+ return ERR_BUSY;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (FD_ISSET(_sock, &ex)) {
|
|
|
+ _get_socket_error();
|
|
|
+ print_verbose("Exception when polling socket.");
|
|
|
+ return FAILED;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (rdp && FD_ISSET(_sock, rdp)) {
|
|
|
+ ready = true;
|
|
|
+ }
|
|
|
+ if (wrp && FD_ISSET(_sock, wrp)) {
|
|
|
+ ready = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ return ready ? OK : ERR_BUSY;
|
|
|
+}
|
|
|
+
|
|
|
+Error NetSocketWinSock::recv(uint8_t *p_buffer, int p_len, int &r_read) {
|
|
|
+ ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
|
|
|
+
|
|
|
+ r_read = ::recv(_sock, (char *)p_buffer, p_len, 0);
|
|
|
+
|
|
|
+ if (r_read < 0) {
|
|
|
+ NetError err = _get_socket_error();
|
|
|
+ if (err == ERR_NET_WOULD_BLOCK) {
|
|
|
+ return ERR_BUSY;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (err == ERR_NET_BUFFER_TOO_SMALL) {
|
|
|
+ return ERR_OUT_OF_MEMORY;
|
|
|
+ }
|
|
|
+
|
|
|
+ return FAILED;
|
|
|
+ }
|
|
|
+
|
|
|
+ return OK;
|
|
|
+}
|
|
|
+
|
|
|
+Error NetSocketWinSock::recvfrom(uint8_t *p_buffer, int p_len, int &r_read, IPAddress &r_ip, uint16_t &r_port, bool p_peek) {
|
|
|
+ ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
|
|
|
+
|
|
|
+ struct sockaddr_storage from;
|
|
|
+ socklen_t len = sizeof(struct sockaddr_storage);
|
|
|
+ memset(&from, 0, len);
|
|
|
+
|
|
|
+ r_read = ::recvfrom(_sock, (char *)p_buffer, p_len, p_peek ? MSG_PEEK : 0, (struct sockaddr *)&from, &len);
|
|
|
+
|
|
|
+ if (r_read < 0) {
|
|
|
+ NetError err = _get_socket_error();
|
|
|
+ if (err == ERR_NET_WOULD_BLOCK) {
|
|
|
+ return ERR_BUSY;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (err == ERR_NET_BUFFER_TOO_SMALL) {
|
|
|
+ return ERR_OUT_OF_MEMORY;
|
|
|
+ }
|
|
|
+
|
|
|
+ return FAILED;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (from.ss_family == AF_INET) {
|
|
|
+ struct sockaddr_in *sin_from = (struct sockaddr_in *)&from;
|
|
|
+ r_ip.set_ipv4((uint8_t *)&sin_from->sin_addr);
|
|
|
+ r_port = ntohs(sin_from->sin_port);
|
|
|
+ } else if (from.ss_family == AF_INET6) {
|
|
|
+ struct sockaddr_in6 *s6_from = (struct sockaddr_in6 *)&from;
|
|
|
+ r_ip.set_ipv6((uint8_t *)&s6_from->sin6_addr);
|
|
|
+ r_port = ntohs(s6_from->sin6_port);
|
|
|
+ } else {
|
|
|
+ // Unsupported socket family, should never happen.
|
|
|
+ ERR_FAIL_V(FAILED);
|
|
|
+ }
|
|
|
+
|
|
|
+ return OK;
|
|
|
+}
|
|
|
+
|
|
|
+Error NetSocketWinSock::send(const uint8_t *p_buffer, int p_len, int &r_sent) {
|
|
|
+ ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
|
|
|
+
|
|
|
+ int flags = 0;
|
|
|
+ r_sent = ::send(_sock, (const char *)p_buffer, p_len, flags);
|
|
|
+
|
|
|
+ if (r_sent < 0) {
|
|
|
+ NetError err = _get_socket_error();
|
|
|
+ if (err == ERR_NET_WOULD_BLOCK) {
|
|
|
+ return ERR_BUSY;
|
|
|
+ }
|
|
|
+ if (err == ERR_NET_BUFFER_TOO_SMALL) {
|
|
|
+ return ERR_OUT_OF_MEMORY;
|
|
|
+ }
|
|
|
+
|
|
|
+ return FAILED;
|
|
|
+ }
|
|
|
+
|
|
|
+ return OK;
|
|
|
+}
|
|
|
+
|
|
|
+Error NetSocketWinSock::sendto(const uint8_t *p_buffer, int p_len, int &r_sent, IPAddress p_ip, uint16_t p_port) {
|
|
|
+ ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
|
|
|
+
|
|
|
+ struct sockaddr_storage addr;
|
|
|
+ size_t addr_size = _set_addr_storage(&addr, p_ip, p_port, _ip_type);
|
|
|
+ r_sent = ::sendto(_sock, (const char *)p_buffer, p_len, 0, (struct sockaddr *)&addr, addr_size);
|
|
|
+
|
|
|
+ if (r_sent < 0) {
|
|
|
+ NetError err = _get_socket_error();
|
|
|
+ if (err == ERR_NET_WOULD_BLOCK) {
|
|
|
+ return ERR_BUSY;
|
|
|
+ }
|
|
|
+ if (err == ERR_NET_BUFFER_TOO_SMALL) {
|
|
|
+ return ERR_OUT_OF_MEMORY;
|
|
|
+ }
|
|
|
+
|
|
|
+ return FAILED;
|
|
|
+ }
|
|
|
+
|
|
|
+ return OK;
|
|
|
+}
|
|
|
+
|
|
|
+Error NetSocketWinSock::set_broadcasting_enabled(bool p_enabled) {
|
|
|
+ ERR_FAIL_COND_V(!is_open(), ERR_UNCONFIGURED);
|
|
|
+ // IPv6 has no broadcast support.
|
|
|
+ if (_ip_type == IP::TYPE_IPV6) {
|
|
|
+ return ERR_UNAVAILABLE;
|
|
|
+ }
|
|
|
+
|
|
|
+ int par = p_enabled ? 1 : 0;
|
|
|
+ if (setsockopt(_sock, SOL_SOCKET, SO_BROADCAST, (const char *)&par, sizeof(int)) != 0) {
|
|
|
+ WARN_PRINT("Unable to change broadcast setting.");
|
|
|
+ return FAILED;
|
|
|
+ }
|
|
|
+ return OK;
|
|
|
+}
|
|
|
+
|
|
|
+void NetSocketWinSock::set_blocking_enabled(bool p_enabled) {
|
|
|
+ ERR_FAIL_COND(!is_open());
|
|
|
+
|
|
|
+ int ret = 0;
|
|
|
+ unsigned long par = p_enabled ? 0 : 1;
|
|
|
+ ret = ioctlsocket(_sock, FIONBIO, &par);
|
|
|
+ if (ret != 0) {
|
|
|
+ WARN_PRINT("Unable to change non-block mode.");
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void NetSocketWinSock::set_ipv6_only_enabled(bool p_enabled) {
|
|
|
+ ERR_FAIL_COND(!is_open());
|
|
|
+ // This option is only available in IPv6 sockets.
|
|
|
+ ERR_FAIL_COND(_ip_type == IP::TYPE_IPV4);
|
|
|
+
|
|
|
+ int par = p_enabled ? 1 : 0;
|
|
|
+ if (setsockopt(_sock, IPPROTO_IPV6, IPV6_V6ONLY, (const char *)&par, sizeof(int)) != 0) {
|
|
|
+ WARN_PRINT("Unable to change IPv4 address mapping over IPv6 option.");
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void NetSocketWinSock::set_tcp_no_delay_enabled(bool p_enabled) {
|
|
|
+ ERR_FAIL_COND(!is_open());
|
|
|
+ ERR_FAIL_COND(!_is_stream); // Not TCP.
|
|
|
+
|
|
|
+ int par = p_enabled ? 1 : 0;
|
|
|
+ if (setsockopt(_sock, IPPROTO_TCP, TCP_NODELAY, (const char *)&par, sizeof(int)) < 0) {
|
|
|
+ WARN_PRINT("Unable to set TCP no delay option.");
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void NetSocketWinSock::set_reuse_address_enabled(bool p_enabled) {
|
|
|
+ ERR_FAIL_COND(!is_open());
|
|
|
+
|
|
|
+ // On Windows, enabling SO_REUSEADDR actually would also enable reuse port, very bad on TCP. Denying...
|
|
|
+ // Windows does not have this option, SO_REUSEADDR in this magical world means SO_REUSEPORT
|
|
|
+}
|
|
|
+
|
|
|
+bool NetSocketWinSock::is_open() const {
|
|
|
+ return _sock != INVALID_SOCKET;
|
|
|
+}
|
|
|
+
|
|
|
+int NetSocketWinSock::get_available_bytes() const {
|
|
|
+ ERR_FAIL_COND_V(!is_open(), -1);
|
|
|
+
|
|
|
+ unsigned long len;
|
|
|
+ int ret = ioctlsocket(_sock, FIONREAD, &len);
|
|
|
+ if (ret == -1) {
|
|
|
+ _get_socket_error();
|
|
|
+ print_verbose("Error when checking available bytes on socket.");
|
|
|
+ return -1;
|
|
|
+ }
|
|
|
+ return len;
|
|
|
+}
|
|
|
+
|
|
|
+Error NetSocketWinSock::get_socket_address(IPAddress *r_ip, uint16_t *r_port) const {
|
|
|
+ ERR_FAIL_COND_V(!is_open(), FAILED);
|
|
|
+
|
|
|
+ struct sockaddr_storage saddr;
|
|
|
+ socklen_t len = sizeof(saddr);
|
|
|
+ if (getsockname(_sock, (struct sockaddr *)&saddr, &len) != 0) {
|
|
|
+ _get_socket_error();
|
|
|
+ print_verbose("Error when reading local socket address.");
|
|
|
+ return FAILED;
|
|
|
+ }
|
|
|
+ _set_ip_port(&saddr, r_ip, r_port);
|
|
|
+ return OK;
|
|
|
+}
|
|
|
+
|
|
|
+Ref<NetSocket> NetSocketWinSock::accept(IPAddress &r_ip, uint16_t &r_port) {
|
|
|
+ Ref<NetSocket> out;
|
|
|
+ ERR_FAIL_COND_V(!is_open(), out);
|
|
|
+
|
|
|
+ struct sockaddr_storage their_addr;
|
|
|
+ socklen_t size = sizeof(their_addr);
|
|
|
+ SOCKET fd = ::accept(_sock, (struct sockaddr *)&their_addr, &size);
|
|
|
+ if (fd == INVALID_SOCKET) {
|
|
|
+ _get_socket_error();
|
|
|
+ print_verbose("Error when accepting socket connection.");
|
|
|
+ return out;
|
|
|
+ }
|
|
|
+
|
|
|
+ _set_ip_port(&their_addr, &r_ip, &r_port);
|
|
|
+
|
|
|
+ NetSocketWinSock *ns = memnew(NetSocketWinSock);
|
|
|
+ ns->_set_socket(fd, _ip_type, _is_stream);
|
|
|
+ ns->set_blocking_enabled(false);
|
|
|
+ return Ref<NetSocket>(ns);
|
|
|
+}
|
|
|
+
|
|
|
+Error NetSocketWinSock::join_multicast_group(const IPAddress &p_multi_address, const String &p_if_name) {
|
|
|
+ return _change_multicast_group(p_multi_address, p_if_name, true);
|
|
|
+}
|
|
|
+
|
|
|
+Error NetSocketWinSock::leave_multicast_group(const IPAddress &p_multi_address, const String &p_if_name) {
|
|
|
+ return _change_multicast_group(p_multi_address, p_if_name, false);
|
|
|
+}
|
|
|
+
|
|
|
+#endif // WINDOWS_ENABLED
|
Fabio Alessandrelli