ftps.cc
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上传日期:2015-12-11
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- /*
- * Copyright (c) 1997 The 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 Network Research
- * Group at Lawrence Berkeley National 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.
- */
- /*
- * This agent is paired with one or more ftp clients.
- * It expects to be the target of a FullTcpAgent.
- */
- static const char rcsid[] =
- "@(#) $Header: /cvsroot/nsnam/ns-2/baytcp/ftps.cc,v 1.6 2001/09/06 22:09:41 haldar Exp $ ()";
- #include "tcp-full-bay.h"
- #include "tclcl.h"
- #include "random.h"
- #include "trace.h"
- #include "tcp.h"
- class FtpSrvrAgent : public BayTcpAppAgent {
- public:
- FtpSrvrAgent();
- int command(int argc, const char*const* argv);
- void recv(Packet*, BayFullTcpAgent*, int code);
- //void recv(Packet*, BayFullTcpAgent*);
- protected:
- double now() { return Scheduler::instance().clock(); }
- int min_response_; //number of bytes in min response file
- int max_response_; //number of bytes in max response file
- int filesize_; //file size in Bytes
- };
- static class FtpSrvrClass : public TclClass {
- public:
- FtpSrvrClass() : TclClass("Agent/BayTcpApp/FtpServer") {}
- TclObject* create(int, const char*const*) {
- return (new FtpSrvrAgent());
- }
- } class_ftps;
- FtpSrvrAgent::FtpSrvrAgent() : BayTcpAppAgent(PT_NTYPE)
- {
- // bind("min_byte_response", &min_response_);
- // bind("max_byte_response", &max_response_);
- // bind_time("service_time", &service_time_);
- filesize_ = 0x10000000;
- }
- //should only be called when a get is received from a client
- //need to make sure it goes to the right tcp connection
- void FtpSrvrAgent::recv(Packet*, BayFullTcpAgent* tcp, int code)
- {
- if(code == DATA_PUSH) {
- int length = filesize_;
- //tells tcp-full with my mods to send FIN when empty
- tcp->advance(length, 1);
- }
- }
- /*
- * set length
- */
- int FtpSrvrAgent::command(int argc, const char*const* argv)
- {
- if (argc == 3) {
- if (strcmp(argv[1], "file_size") == 0) {
- filesize_ = atoi(argv[2]);
- return (TCL_OK);
- }
- }
- return (Agent::command(argc, argv));
- }