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net.hpp

@@ -0,0 +1,71 @@
+#ifdef __WIN32
+	#include <winsock2.h>
+#else
+	#include <arpa/inet.h>
+	#include <unistd.h>
+#endif
+#include <cstdlib>
+#include <string>
+int listen_net(const char* port) {
+	#ifdef __WIN32
+		WSADATA wsa;
+		WSAStartup(MAKEWORD(2,2), &wsa);
+	#endif
+	int listener = socket(AF_INET, SOCK_STREAM, 0);
+	const int enable = 1;
+	setsockopt(listener, SOL_SOCKET, SO_REUSEADDR, (char*)&enable, sizeof(int));
+	struct sockaddr_in addr;
+	addr.sin_family = AF_INET;
+	addr.sin_port = htons(atoi(port));
+	addr.sin_addr.s_addr = INADDR_ANY;
+	bind(listener, reinterpret_cast<sockaddr*>(&addr), sizeof(addr));
+	listen(listener, SOMAXCONN);
+	return listener;
+}
+
+int accept_net(int listener) {
+	return accept(listener, 0, 0);
+}
+
+int connect_net(const char* ip, const char* port) {
+	#ifdef __WIN32
+		WSADATA wsa;
+		WSAStartup(MAKEWORD(2,2), &wsa);
+	#endif
+	int conn = socket(AF_INET, SOCK_STREAM, 0);
+	const int enable = 1;
+	setsockopt(conn, SOL_SOCKET, SO_REUSEADDR, (char*)&enable, sizeof(int));
+	struct sockaddr_in addr;
+	addr.sin_family = AF_INET;
+	addr.sin_port = htons(atoi(port));
+	addr.sin_addr.s_addr = inet_addr(ip);
+	connect(conn, reinterpret_cast<sockaddr*>(&addr), sizeof(addr));
+	return conn;
+}
+
+int send_net(int socket, char* buf, size_t size) {
+	return send(socket, buf, (int)size, 0);
+}
+
+int recv_net(int socket, char* buf, int size) {
+	return recv(socket, buf, size, 0);
+}
+
+char* resolve_net(const char* domain) {
+	#ifdef __WIN32
+		WSADATA wsaData;
+		int iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
+	#endif
+    struct hostent* remoteHost = gethostbyname(domain);
+	struct in_addr addr;
+	memcpy(&addr, remoteHost->h_addr_list[0], sizeof(struct in_addr));
+	return inet_ntoa(addr);
+}
+
+int close_net(int conn) {
+	#ifdef __WIN32
+		return closesocket(conn);
+	#elif __linux__
+		return close(conn);
+	#endif
+}