rmst_sink.cc
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- //
- // rmst_sink.cc : RmstSink Class Methods
- // authors : Fred Stann
- //
- // Copyright (C) 2003 by the University of Southern California
- // $Id: rmst_sink.cc,v 1.3 2005/09/13 04:53:46 tomh Exp $
- //
- // This program is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public License,
- // version 2, as published by the Free Software Foundation.
- //
- // This program is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public License along
- // with this program; if not, write to the Free Software Foundation, Inc.,
- // 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- //
- // Linking this file statically or dynamically with other modules is making
- // a combined work based on this file. Thus, the terms and conditions of
- // the GNU General Public License cover the whole combination.
- //
- // In addition, as a special exception, the copyright holders of this file
- // give you permission to combine this file with free software programs or
- // libraries that are released under the GNU LGPL and with code included in
- // the standard release of ns-2 under the Apache 2.0 license or under
- // otherwise-compatible licenses with advertising requirements (or modified
- // versions of such code, with unchanged license). You may copy and
- // distribute such a system following the terms of the GNU GPL for this
- // file and the licenses of the other code concerned, provided that you
- // include the source code of that other code when and as the GNU GPL
- // requires distribution of source code.
- //
- // Note that people who make modified versions of this file are not
- // obligated to grant this special exception for their modified versions;
- // it is their choice whether to do so. The GNU General Public License
- // gives permission to release a modified version without this exception;
- // this exception also makes it possible to release a modified version
- // which carries forward this exception.
- #include "rmst_sink.hh"
- #ifdef NS_DIFFUSION
- static class RmstSnkClass : public TclClass {
- public:
- RmstSnkClass() : TclClass("Application/DiffApp/RmstSink") {}
- TclObject* create(int , const char*const* ) {
- return(new RmstSink());
- }
- } class_rmst_sink;
- int RmstSink::command(int argc, const char*const* argv)
- {
- if (argc == 2) {
- if (strcmp(argv[1], "subscribe") == 0) {
- run();
- return TCL_OK;
- }
- }
- return DiffApp::command(argc, argv);
- }
- #endif // NS_DIFFUSION
- void RmstSnkReceive::recv(NRAttrVec *data, NR::handle my_handle)
- {
- NRSimpleAttribute<int> *rmst_id_attr = NULL;
- NRSimpleAttribute<void *> *data_buf_attr = NULL;
- timeval cur_time;
- int rmst_no;
- int size;
- void *blob_ptr;
- printf("RMST-SNK::recv callback got an NRAttrVec.n");
- GetTime (&cur_time);
- printf(" time: sec = %dn", (unsigned int) cur_time.tv_sec);
- rmst_id_attr = RmstIdAttr.find(data);
- data_buf_attr = RmstDataAttr.find(data);
- rmst_no = rmst_id_attr->getVal();
- blob_ptr = data_buf_attr->getVal();
- size = data_buf_attr->getLen();
- printf(" Got a blob, rmstId = %d, size = %dn", rmst_no, size);
- snk_->recv((void *)blob_ptr, size);
- }
- void RmstSink::run() {
- rmst_handle_ = setupInterest();
- #ifndef NS_DIFFUSION
- while (1){
- sleep (1000);
- }
- #endif // !NS_DIFFUSION
- }
- void RmstSink::recv(void *blob, int size) {
- int i;
- char *tmpPtr = (char*)blob;
- printf(" Sink received a large blob - size = %dn", size);
- for(i=0; i<size; i+=50){
- printf("%sn", &tmpPtr[i]);
- }
- no_rec_++;
- if(no_rec_ >= blobs_to_rec_){
- printf(" Sink unsubscribesn");
- dr_->unsubscribe(rmst_handle_);
- }
- }
- handle RmstSink::setupInterest()
- {
- NRAttrVec attrs;
- printf("RMST-SNK::subscribing to all PCM_SAMPLEsn");
- attrs.push_back(NRClassAttr.make(NRAttribute::IS, NRAttribute::INTEREST_CLASS));
- attrs.push_back(RmstTsprtCtlAttr.make(NRAttribute::EQ, RMST_RESP));
- attrs.push_back(RmstTargetAttr.make(NRAttribute::EQ, "PCM_SAMPLE"));
- handle h = dr_->subscribe(&attrs, mr);
- ClearAttrs(&attrs);
- return h;
- }
- #ifdef NS_DIFFUSION
- RmstSink::RmstSink() : blobs_to_rec_(4) {
- #else
- RmstSink::RmstSink(int argc, char **argv) : blobs_to_rec_(4) {
- #endif // NS_DIFFUSION
-
- mr = new RmstSnkReceive(this);
-
- #ifndef NS_DIFFUSION
- parseCommandLine(argc, argv);
- dr_ = NR::createNR(diffusion_port_);
- #endif // !NS_DIFFUSION
- no_rec_ = 0;
- }
- #ifndef NS_DIFFUSION
- int main(int argc, char **argv){
- RmstSink *app;
- app = new RmstSink(argc, argv);
- app->run();
- return 0;
- }
- #endif // !NS_DIFFUSION