net.h
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- /*
- * Copyright (c) 1991-1994, 1998 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: /cvsroot/nsnam/ns-2/emulate/net.h,v 1.8 2002/10/09 23:57:15 difa Exp $ (LBL)
- */
- #ifndef ns_net_h
- #define ns_net_h
- #include <sys/socket.h>
- #include <fcntl.h>
- #include "tclcl.h"
- #include "iohandler.h"
- #include "timer.h"
- /* win95 #define's this...*/
- #ifdef interface
- #undef interface
- #endif
- class Packet;
- typedef void (*netpkt_handler)(void *userdata, Packet *p,
- const struct timeval &ts);
- class Network : public TclObject {
- public:
- Network() : mode_(-1) { }
- virtual int command(int argc, const char*const* argv);
- virtual int send(u_char* buf, int len) = 0;
- virtual int recv(u_char* buf, int len, sockaddr& from, double& ts) = 0;
- virtual int recv(netpkt_handler callback, void *clientdata) {
- Tcl::instance().evalf("%s info class", name());
- fprintf( stderr, "Callback Interface to receiving packets"
- " unsupported in class %sn",
- Tcl::instance().result() );
- return 0;
- } // callback called for every packet
- virtual int rchannel() = 0;
- virtual int schannel() = 0;
- int mode() { return mode_; }
- static int nonblock(int fd);
- static int parsemode(const char*); // strings to mode bits
- static char* modename(int); // and the reverse
- protected:
- int mode_; // read/write bits (from fcntl.h)
- };
- #endif