20100712-OTcl Command -- Getting Started

NS2: OTcl Command – Getting Started by Teerawat Issariyakul http://www.ns2ultimate.com July 2010 http://www.ns2ultimate.com

Outline ,[object Object],[object Object],[object Object],[object Object],http://www.ns2ultimate.com

Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://www.ns2ultimate.com

Motivation ,[object Object],[object Object],http://www.ns2ultimate.com MyObject programmer C++ MyOTclObject OTcl binding function binding class name delay_ show_delay(){ show “delay_” on the screen } show-delay

What we would like to do http://www.ns2ultimate.com ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MyObject C++ MyOTclObject OTcl binding function binding class name (see above) delay_ show_delay(){ show “delay_” on the screen } show-delay

OTcl Command: Introduction ,[object Object],[object Object],[object Object],http://www.ns2ultimate.com

OTcl Command: C++ files ,[object Object],[object Object],http://www.ns2ultimate.com class MyObject : public TclObject { public: MyObject(); virtual ~MyObject(){}; protected: int count_; double delay_; double speed_; double virtual_time_; int is_running_; int command(int argc, const char*const* argv); }; otcl.h

OTcl Command: C++ files ,[object Object],[object Object],[object Object],[object Object],[object Object],http://www.ns2ultimate.com MyObject::MyObject() { delay_ = 7.7; } otcl.cc

OTcl Command: Definition ,[object Object],[object Object],[object Object],[object Object],http://www.ns2ultimate.com int MyObject::command(int argc, const char*const* argv) { if (argc==2) { if (strcmp(argv[1], "show-delay") == 0) { printf("Delay is %g", delay_); return (TCL_OK); } } return TclObject::command(argc, argv); }; OTcl command name what this OTcl command do

Summary of Key Steps ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://www.ns2ultimate.com

OTcl Command: Invocation ,[object Object],[object Object],http://www.ns2ultimate.com set ns [new Simulator] set obj [new MyOTclObject ] $obj show-delay

OTcl Command: Invocation ,[object Object],[object Object],http://www.ns2ultimate.com MyObject::MyObject() { delay_ = 9.9; }

For more information about NS 2 Please see this book from Springer T. Issaraiyakul and E. Hossain, “Introduction to Network Simulator NS2”, Springer 2009 http://www.ns2ultimate.com

20100712-OTcl Command -- Getting Started

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20100712-OTcl Command -- Getting Started

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