app.cc
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- /* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
- /*
- * Copyright (c) 1997 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 Daedalus Research
- * Group at the University of California Berkeley.
- * 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.
- *
- * Contributed by the Daedalus Research Group, http://daedalus.cs.berkeley.edu
- *
- */
- #include "app.h"
- #include "agent.h"
- static class ApplicationClass : public TclClass {
- public:
- ApplicationClass() : TclClass("Application") {}
- TclObject* create(int, const char*const*) {
- return (new Application);
- }
- } class_application;
- Application::Application() : enableRecv_(0), enableResume_(0)
- {
- }
- int Application::command(int argc, const char*const* argv)
- {
- Tcl& tcl = Tcl::instance();
- if (argc == 2) {
- if (strcmp(argv[1], "start") == 0) {
- // enableRecv_ only if recv() exists in Tcl
- tcl.evalf("[%s info class] info instprocs", name_);
- char result[1024];
- sprintf(result, " %s ", tcl.result());
- enableRecv_ = (strstr(result, " recv ") != 0);
- enableResume_ = (strstr(result, " resume ") != 0);
- start();
- return (TCL_OK);
- }
- if (strcmp(argv[1], "stop") == 0) {
- stop();
- return (TCL_OK);
- }
- if (strcmp(argv[1], "agent") == 0) {
- tcl.resultf("%s", agent_->name());
- return (TCL_OK);
- }
- }
- else if (argc == 3) {
- if (strcmp(argv[1], "attach-agent") == 0) {
- agent_ = (Agent*) TclObject::lookup(argv[2]);
- if (agent_ == 0) {
- tcl.resultf("no such agent %s", argv[2]);
- return(TCL_ERROR);
- }
- agent_->attachApp(this);
- return(TCL_OK);
- }
- if (strcmp(argv[1], "send") == 0) {
- send(atoi(argv[2]));
- return(TCL_OK);
- }
- }
- return (Process::command(argc, argv));
- }
- void Application::start()
- {
- }
- void Application::stop()
- {
- }
- void Application::send(int nbytes)
- {
- agent_->sendmsg(nbytes);
- }
- void Application::recv(int nbytes)
- {
- if (! enableRecv_)
- return;
- Tcl& tcl = Tcl::instance();
- tcl.evalf("%s recv %d", name_, nbytes);
- }
- void Application::resume()
- {
- if (! enableResume_)
- return;
- Tcl& tcl = Tcl::instance();
- tcl.evalf("%s resume", name_);
- }