Initial commit

backends/networking/enet/socket.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#define FORBIDDEN_SYMBOL_ALLOW_ALL
+
+#include "backends/networking/enet/source/enet.h"
+#include "backends/networking/enet/socket.h"
+#include "common/debug.h"
+#include "common/textconsole.h"
+
+namespace Networking {
+namespace ENet {
+
+Socket::Socket(ENetSocket socket) {
+	_socket = socket;
+	_recentData = Common::String();
+	_recentHost = Common::String();
+	_recentPort = 0;
+}
+Socket::~Socket() {
+	enet_socket_destroy(_socket);
+}
+
+bool Socket::send(const Common::String &address, int port, const char *data) {
+	ENetAddress enetAddress;
+	if (address == "255.255.255.255") {
+		enetAddress.host = ENET_HOST_BROADCAST;
+	} else {
+		// NOTE: 0.0.0.0 returns ENET_HOST_ANY normally.
+		enet_address_set_host(&enetAddress, address.c_str());
+	}
+	enetAddress.port = port;
+
+	ENetBuffer buffer;
+	buffer.data = const_cast<char *>(data);
+	buffer.dataLength = strlen(data);
+
+	int sentLength = enet_socket_send(_socket, &enetAddress, &buffer, 1);
+	if (sentLength < 0)
+		return false;
+
+	return true;
+}
+
+bool Socket::receive() {
+	ENetBuffer buffer;
+
+	char data[4096]; // ENET_PROTOCOL_MAXIMUM_MTU
+	buffer.data = data;
+	buffer.dataLength = sizeof(data);
+
+	ENetAddress _address;
+
+	int receivedLength = enet_socket_receive(_socket, &_address, &buffer, 1);
+	if (receivedLength < 0) {
+		warning("ENet: An error has occurred when receiving data from socket");
+		return false;
+	}
+
+	if (receivedLength == 0)
+		return false;
+
+	_recentData = Common::String((const char*)data, receivedLength);
+
+	char hostName[50];
+	if (enet_address_get_host_ip(&_address, hostName, sizeof(hostName)) == 0)
+		_recentHost = hostName;
+	else
+		_recentHost = "";
+	_recentPort = _address.port;
+
+	return true;
+}
+
+Common::String Socket::getData() {
+	return _recentData;
+}
+
+Common::String Socket::getHost() {
+	return _recentHost;
+}
+
+int Socket::getPort() {
+	return _recentPort;
+}
+
+} // End of namespace ENet
+} // End of namespace Networking