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Summer 2009 Log

May 17 - May 23

Mon 1pm to 5:30pm (4.5); Tues 2:30pm to 7pm (4.5); Wed 2pm to 5pm (3); Thurs 1:30pm to 5pm (3.5); Total: 15.5 hours

  • Discussed projects with undergrads
  • Set projected deadlines
  • Developed telnet proof of concept: spawned shell on TTY opened on TCP
  • Acquired reading material on network stack design in BSD and Linux
    • McKusick, Marshall Kirk, Keith Bostic, Michael J. Karels, John S. Quarterman. The Design and Implementation of the 4.4 BSD Operating System. Reading, MA: Addison-Wesley, 1996.
    • Wehrle, Laus, Frank Pahlke, Hartmut Ritter, Daniel Muller, Marc Bechler. The Linux Networking Architecture: Design and Implementation of Network Protocols in the Linux Kernel. Upper Saddle River, NJ: Pearson Prentice Hall, 2005.
  • Selected paper for Tues, May 26: A measurement study of a commercial-grade urban wifi mesh

May 24 - May 30

Mon 3pm to 5:30pm, 8pm to 9pm (3.5); Tues 2:00pm to 5:30pm, 11pm to 11:30pm (4); Thurs 1:15pm to 5:30pm (4.25); Fri 1:15pm to 5:30pm (4.25); Total 16 hours

May 31 - June 6

Mon 3pm to 6pm (3); Tues 8:30pm to 10pm (1.5); Wed 2:15pm to 5:15pm, 7:00pm to 8:30pm (4.5); Thurs 1:45pm to 5:45pm (4); Fri 2pm to 5pm (3); Total: 16 hours

June 7 - June 13

Mon 3:45pm to 6:15pm (2.5); Tues 1:00pm to 11:00pm (10); Wed 3:15pm to 5:15pm (2); Thurs 1:30pm to 6:00pm (4.5); 4:15pm to 6:15pm (2); Total: 21 hours

  • Reviewed paper: Traversal caches: a first step towards FPGA acceleration of pointer-based data structures
  • Cleaned-up and rewrote
    • Network stack related headers
    • Link-level packet processing (network/net*)
    • ARP (network/arp/arp*)
  • Changed network stack to utilize netaddr structure for all IP and MAC addresses
  • Assisted with merge of webinterface, agember, and trunk-2.0 branches
  • Read chapter 12 in The Design and Implementation of the 4.4 BSD Operating System (notes on Trac)

June 14 - June 20

Mon 1pm to 3:30pm (2.5); Tues 1:30pm to 6:30pm (5); Wed 1:30pm to 5pm (3.5); Fri 10am to 11am, 7:30pm to 8pm (1.5); Sat 9:30am to 10:30am (1); Total: 13.5 hours

June 21 - June 27

Sun 10am to 10:30am (0.5); Mon 12:30pm to 3:30pm (3); Tues 1:30pm to 10:30pm (9); Wed 1pm to 4:30pm (3.5); Thurs 3pm to 5:30pm, 7pm to 10pm (5.5); Total: 21.5 hours

June 28 - July 4

Sun: 5:00pm to 8:30pm (3.5); Mon 2:00pm to 6:00pm (4); Tues 1:30pm to 9:00pm; 10:00pm to 10:30pm (8); Wed 1:15pm to 6:15pm (5); Thurs 12:00pm to 10:00pm (10); Total: 30.5 hours

July 5 - July 11

Mon 2:00pm to 6:30pm (4.5); Tues 2:00pm to 10:00pm (8); Wed 3:00pm to 6:00pm (3); Thurs 11:30am to 5:30pm (6); Fri 1:45pm to 6:45pm, 8:00pm to 12:00pm (9); Sat 1:30pm to 7:00pm (5.5); Total: 36 hours

  • Read chapters 3 & 4 in The Linux Networking Architecture: Design and Implementation of Network Protocols in the Linux Kernel
  • Continued implementation of PCAP library
  • Reviewed paper Eliminating the call stack to save RAM

July 12 - July 18

Sun 3:45pm to 5:30pm, 10:45pm to 12:00pm (3); Mon 1:30pm to 4:00pm (2.5); Tues 1pm to 9pm (8); Thurs 12:30pm to 4:30pm (4); Total: 22.5 hours

  • Reviewed paper Outdoors augmented reality on mobile phone using loxel-based visual feature organization
  • Completed ARP test case. The test case covers every line of code in ARP that is feasibly testable. The only function not covered is arpInit which is called at startup.
  • Created a new network branch for completing development of the network stack.
  • Merged the network interface, netaddr, and ARP code into trunk. This includes all functions, header files, and test cases related to these components.
  • Started to clean-up/tweak snoop. I decided PCAP was too large and too time intensive to implement. I have kept the structures necessary to read PCAP files, but disposed of everything else. The new snoop system works similar to PCAP - it attaches a structure to a network interface and uses mailboxes for queue packets. The new snoop shell function has many more arguments including verbose levels, hex dump, and filtering capabilities. I anticipate finishing snoop and merging it into trunk before I leave for my vacations.

July 19 - July 25

Vacation July 19 - July 25

July 26 - August 1

Vacation July 29 - August 1

August 2 - August 8

Vacation August 2 - August 5 Tues 7:30pm to 9:30pm (2); Wed 1:30pm to 8:30pm (7); Thurs 1:30pm to 7:30pm (6); Total: hours

August 9 - August 15