--- /dev/null
+#ifndef _socks
+#define _socks
+
+#include "util.h"
+
+#if defined(WIN32) && !defined(__CYGWIN__)
+#include <ws2tcpip.h>
+#include <Iphlpapi.h>
+#include <winsock2.h>
+#include <windows.h>
+#else
+extern "C" {
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <sys/time.h>
+#include <netinet/tcp.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <netinet/if_ether.h>
+
+#if defined(USE_SSL)
+#define OPENSSL_NO_KRB5
+#include <openssl/ssl.h>
+#endif // USE_SSL
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <errno.h>
+}
+#endif
+
+#include <string>
+
+using namespace std;
+
+
+#define TCP 0
+#define UDP 1
+
+#define SND_RCV_SOCKET_BUF_SIZE 65536
+#ifndef INADDR_NONE
+#define INADDR_NONE 0xffffffff
+#endif
+
+
+#if defined(WIN32) && !defined(__CYGWIN__)
+#include <io.h>
+#define WRITE(fd,buf,len) send(fd,buf,len,0)
+#define READ(fd,buf,len) recv(fd,buf,len,0)
+//#define WRITE(fd,buf,len) _write(_open_osfhandle(fd, 0),buf,len)
+//#define READ(fd,buf,len) _read(_open_osfhandle(fd, 0),buf,len)
+
+#define SOCK SOCKET
+
+#define CLOSE(x) closesocket(x)
+#define IOCTL(x,y,z) ioctlsocket((SOCKET)x,(long)y,(unsigned long *)z)
+#else
+
+#define SOCK int
+
+#if defined(USE_SSL)
+#define WRITE(ssl,buf,len) write(ssl, buf, len)
+#else
+#define WRITE(fd,buf,len) write(fd, buf, len)
+#endif
+
+#define READ(fd,buf,len) read(fd, buf, len)
+#define CLOSE(x) close(x)
+#define IOCTL(x,y,z) ioctl(x, y, z)
+#endif
+
+
+SOCK CreateAndSetupTcpSocket(const int bufsize=SND_RCV_SOCKET_BUF_SIZE,
+ const bool nodelay=true,
+ const bool nonblocking=false);
+
+SOCK CreateAndSetupUdpSocket(const int bufsize=SND_RCV_SOCKET_BUF_SIZE,
+ const bool nonblocking=false);
+
+SOCK CreateAndSetupUnixDomainSocket(const int bufsize=SND_RCV_SOCKET_BUF_SIZE,
+ const bool nonblocking=false);
+
+int SetNoDelaySocket(const SOCK fd, const bool nodelay=true);
+
+int IsSocket(const SOCK fd);
+int IsStreamSocket(const SOCK fd);
+int IsDatagramSocket(const SOCK fd);
+
+#ifdef linux
+int IsVirtualSocket(const int fd);
+#endif
+
+int BindSocket(const SOCK mysocket, const int myport);
+int BindSocket(const SOCK mysocket, const unsigned adx, const int myport);
+int BindSocket(const SOCK mysocket, const char *host_or_ip, const int myport);
+int BindSocket(const SOCK mysocket, const char *pathname);
+
+int ListenSocket(const SOCK mysocket, const int max=SOMAXCONN);
+
+int ConnectToHost(const SOCK mysocket, const int hostip, const int port);
+int ConnectToHost(const SOCK mysocket, const char *host, const int port);
+int ConnectToPath(const SOCK mysocket, const char *pathname);
+
+#if defined(USE_SSL)
+int Send(const SOCK fd, SSL *ssl, const char *buf, const int len, bool sendall=true);
+int Receive(const SOCK fd, SSL *ssl, char *buf, const int len, bool recvall=true);
+#endif
+int Send(const SOCK fd, const char *buf, const int len, bool sendall=true);
+int Receive(const SOCK fd, char *buf, const int len, bool recvall=true);
+
+
+
+int SendTo(const SOCK mysocket,
+ const unsigned ip, const int port,
+ const char *buf, const int len, bool sendall=true);
+int ReceiveFrom(const SOCK mysocket,
+ const unsigned ip, const int port,
+ char *buf, const int len, const bool recvall=true);
+int SendTo(const SOCK mysocket,
+ const char *host_or_ip, const int port,
+ const char *buf, const int len, const bool sendall=true);
+int ReceiveFrom(const SOCK mysocket,
+ const char *host_or_ip, const int port,
+ char *buf, const int len, const bool recvall=true);
+
+
+int JoinMulticastGroup(const SOCK mysocket, const char *IP);
+int JoinMulticastGroup(const SOCK mysocket, const unsigned adx);
+int LeaveMulticastGroup(const SOCK mysocket, const char *IP);
+int LeaveMulticastGroup(const SOCK mysocket, const unsigned adx);
+int SetMulticastTimeToLive(const SOCK mysocket, const unsigned char ttl);
+
+
+
+unsigned long GetRemoteSockAddress(SOCK sock);
+int GetRemoteSockAddress(SOCK sock, struct sockaddr * addr);
+
+unsigned long GetLocalSockAddress(SOCK sock);
+int GetLocalSockAddress(SOCK sock, struct sockaddr * addr);
+int GetLocalMacAddress(const string dev_name, char * buf);
+int GetLocalMacAddress(const char * dev_name, char * buf);
+unsigned GetMyIPAddress();
+unsigned ToIPAddress(const char *hostname);
+void PrintIPAddress(const unsigned adx, FILE *out=stderr);
+void IPToHostname(const unsigned ip, char *name, const int namesize);
+int IsValidIPMulticastAddress(const unsigned ipadx);
+
+
+int GetOpenTcpPorts(int ** ports);
+int GetOpenUdpPorts(int ** ports);
+int IsPortOpen(int port_num, int proto = TCP);
+
+
+int SetSignalHandler(const int signum, void (*handler)(int), const bool oneshot=false);
+int IgnoreSignal(const int signum);
+int ListenToSignal(const int signum);
+
+#if defined(USE_SSL)
+int GetLine(SOCK fd, SSL *ssl, string &s);
+int PutLine(SOCK fd, SSL *ssl, const string &s);
+#endif
+
+int GetLine(SOCK fd, string &s);
+int PutLine(SOCK fd, const string &s);
+
+
+#endif
