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Building Network Management Tools with Tcl/Tk, 1/e
Dave Zeltserman, Net Mgmt Solutions, Brookline, MA
Gerard Puoplo, Net Mgmt Solutions, Brookline, MA
Published April, 1998 by Prentice Hall PTR (ECS Professional)
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Use Tcl/Tk to build the custom network management tools you need.
Often, there's no substitute for a custom network management tool-but you can't afford to spend months building one. There's a quick, easy solution: Tcl/Tk scripts. Learn to leverage Tcl/Tk's power and efficiency-from experts who've built successful network management products for Cisco, Digital and 3Com.
Discover why Tcl/Tk tools are perfect for troubleshooting, device monitoring, inventory, configuration, and many other network management applications. Then build five real-world applications to use right away, learning concepts and routines you'll reuse constantly:
Learn proven techniques for Web-enabling your network management
applications-and for building tools that are extensible and easy to modify. Carefully annotated code and extensive screen captures show exactly what to expect. An accompanying Web site includes downloadable source code, new tips and insights, and much more.
With Building Network Management Tools with Tcl/Tk, you can deploy the
tools you really need-when you need them.
DAVID ZELTSERMAN is a principal in Net Mgmt Solutions, Brookline,
MA. With more than 16 years experience developing networking software, he has developed key network management applications for Digital, Cisco and 3Com, including 3Com's StatusWatch.
GERARD PUOPLO is also a principal in Net Mgmt Solutions. He has been developing network design and management tools since the early days of the Internet. He was product manager for Digital's PolyCenter SNMP Manager and PathDoctor productors, and led UNIX network management application development at 3Com's switching division.
1. Introduction.
System Overview of Tcl.
Benefits of Tcl.
Limitations of Tcl.
History of Tcl Use with SNMP.
Availability of Tcl with SNMP.
2. Overview.
Discover.
StatusMgr.
Response Time Monitoring Tool.
IP Path Tracing Tool.
RMONv2 Configuration Manager.
In Summary.
3. Tcl Basics.
Tcl Command Syntax.
Variables.
Arrays.
Expressions.
Command Substitution.
Backlash Substitution.
Quoting Rules.
Procedures and Scoping.
Building and Manipulating Lists.
Delta and Rate Examples.
String Manipulation.
Control Flow.
More on Tcl Procedures.
In Summary.
4. More Tcl.
More Tcl Commands.
Built-In Tcl Variables.
File I/O with Tcl.
Reading/Writing a File.
Example: Building HTML Files.
Event-Driven Programming with Tcl.
Pattern-Matching Techniques.
5. SNMP Tcl Extensions.
TickleMan.
TickleMan-Managing Sessions.
TickleMan-Building Varbind Lists.
TickleMan-Performing SNMPv1 Operations.
TickleMan-Nonblocking SNMP Operations.
TickleMan-SNMP Set Operations.
TickleMan-Table Operations.
TickleMan-Trap Handling.
TickleMan-Performing ICMP Echo Requests.
TickleMan-MIB Tree Operations.
TickleMan-Convenience Commands.
Scotty.
Scotty-Managing Sessions.
Scotty-Building Varbind Lists.
Scotty-Performing SNMPv1 Operations.
Scotty-Nonblocking SNMP Operations.
Scotty-SNMP Walk Command.
Scotty-Generating Traps.
Scotty-Name-to-IP Address Translation.
Scotty-Performing ICMP Echo Requests.
Scotty-MIB Command.
In Summary.
6. Building a Polling Loop.
Maintaining SNMP Access Information.
Designing a Polling Loop.
Using the Polling Loop.
In Summary.
7. Tk Basics.
Tk Fundamentals.
Command Syntax for Creating and Manipulating.
Widgets.
Basic Tk Widgets.
Example: Building a Main Application Window.
In Summary.
8. More Tk.
A Simple Table Widget.
Building a Simple Table Widget.
Adding a Scrollbar to the Simple Table Widget.
A Second Look at Canvases.
Itcl Mega-Widgets.
Itcl Introduction.
Example: Main Application Window Using Mega-Widget.
In Summary.
9. Socket Programming.
Overview of Socket Communications.
Adding a Web Interface.
In Summary.
10. A Response Time Monitoring Tool.
Concepts Demonstrated.
Network Delay Code.
Extending the Network Delay Tool.
In Summary.
11. A Network Discovery Tool.
Concepts Demonstrated.
General Overview of Code.
Detail Code.
In Summary.
12. Status Monitoring Tool.
General Overview of Code.
In Summary.
13. An IP Path Tracing Tool.
Concepts Demonstrated.
IP Path Tracing Code.
Part 1-Tracing an IP Path.
Part 2-Building the User Interface.
Part 3-Integrating with the Polling Loop.
Miscellaneous Routines.
Ideas on Extending the IP Path Tracing Tool.
In Summary.
14. RMONv2 Configuration.
Concepts Demonstrated.
RMONv2 Configuration Scripts.
RMONv2 Control Tables.
Protocol Distribution Group.
Address Map Group.
RMONv2 Host Groups.
RMONv2 Matrix Groups.
Using the RMONv2 Configuration Tools.
In Summary.
15. More Information.
Tcl Plug-in.
Other Books.
Web Sites and Newsgroups.
Other Packages.
Java and Tcl.
Appendix A.
Index.
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