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/*
* Copyright (c) 1991-1994 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and the Network Research Group at
* Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#) $Header: /cs/research/mice/starship/src/local/CVS_repository/vic/net.h,v 1.3 1999/02/16 14:01:42 ucackha Exp $ (LBL)
*/
#ifndef vic_net_h
#define vic_net_h
#include "inet.h"
#include "Tcl.h"
struct msghdr;
class Crypt;
/* cretinous win95 #define's this...*/
#ifdef interface
#undef interface
#endif
/* Generic Address class */
class Address {
public:
Address() : text_(0) {;}
virtual ~Address() { if (text_) delete text_; }
virtual int operator=(const char*) {return (0);}
virtual Address* copy() const { return (0); }
virtual size_t length() const { return (0); }
virtual operator const void*() const { return (0); }
operator const char*() const { return (const char *)text_; };
int operator==(const Address & addr) const;
static Address * alloc(const char * name);
static Address * default_alloc();
protected:
char *text_;
};
class Network : public TclObject {
public:
Network();
Network(Address & addr, Address & local);
virtual ~Network();
virtual int command(int argc, const char*const* argv);
virtual void send(u_char* buf, int len);
virtual void send(const msghdr& mh);
virtual int recv(u_char* buf, int len, u_int32_t& from);
virtual int recv(u_char* buf, int len, Address &from);
inline int rchannel() const { return (rsock_); }
inline int schannel() const { return (ssock_); }
inline const Address & addr() const { return (addr_); }
inline const Address & interface() const { return (local_); }
inline int port() const { return (port_); }
inline int ttl() const { return (ttl_); }
inline int noloopback_broken() const { return (noloopback_broken_); }
virtual void reset();
static void nonblock(int fd);
inline Crypt* crypt() const { return (crypt_); }
protected:
virtual void dosend(u_char* buf, int len, int fd);
virtual int dorecv(u_char* buf, int len, u_int32_t& from, int fd);
virtual int dorecv(u_char* buf, int len, Address &from, int fd) {return (0);}
Address & addr_;
Address & local_;
u_short lport_;
u_short port_;
int ttl_;
int rsock_;
int ssock_;
int noloopback_broken_;
Crypt* crypt_;
static u_char* wrkbuf_;
static int wrkbuflen_;
static void expand_wrkbuf(int len);
static int cpmsg(const msghdr& mh);
};
#endif
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