Difference between revisions of "User:Agember"
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== Summer 2009 Log == | == Summer 2009 Log == | ||
=== May 17 - May 23 === | === 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 | * Discussed projects with undergrads | ||
* Set projected deadlines | * Set projected deadlines | ||
| Line 13: | Line 13: | ||
''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'' | ''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'' | ||
* Reviewed paper: [http://doi.acm.org/10.1145/1452520.1452534 A measurement study of a commercial-grade urban wifi mesh] | * Reviewed paper: [http://doi.acm.org/10.1145/1452520.1452534 A measurement study of a commercial-grade urban wifi mesh] | ||
| − | * Read | + | * Read Chapters 11 and (part of) 12 in ''The Design and Implementation of the 4.4 BSD Operating System'' (notes on Trac) |
| + | * Discussed new network stack design (details on Trac) | ||
=== May 31 - June 6 === | === May 31 - June 6 === | ||
| − | ''Mon 3pm to 6pm (3); Tues 8:30pm to | + | ''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'' |
| + | * Discussed new network stack design | ||
| + | * Reviewed paper: [http://doi.acm.org/10.1145/1531793.1531805 Factored operating systems (fos): the case for a scalable operating system for multicores] | ||
| + | * Read Chapter 4 (Address Discovery and Binding (ARP)) in ''Internetworking With TCP/IP Vol II: Design, Implementation, and Internals'' | ||
| + | * Cleaned-up and rewrote | ||
| + | ** Network stack related headers (<code>net.h</code>, <code>network.h</code>, <code>ethpkt.h</code>) | ||
| + | ** <code>netUp</code>, <code>netRecv</code>, <code>netSend</code>, <code>netDown</code> | ||
=== June 7 - June 13 === | === 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: [http://doi.acm.org/10.1145/1450135.1450150 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 (<code>network/net*</code>) | ||
| + | ** ARP (<code>network/arp/arp*</code>) | ||
| + | * Changed network stack to utilize <code>netaddr</code> 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 === | === 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'' | ||
| + | * Reviewed paper: [http://doi.acm.org/10.1145/1519065.1519095 Dingo: taming device drivers] | ||
| + | * Cleaned-up and rewrote | ||
| + | ** Shell function to start network interface | ||
| + | * Assisted with cleanup of IP portions of the network stack | ||
| + | * Read chapter 13 in ''The Design and Implementation of the 4.4 BSD Operating System'' | ||
| + | * Read [http://doi.acm.org/10.1145/1140086.1140094 Tmix: a tool for generating realistic TCP application workloads in ns-2] | ||
| + | |||
=== June 21 - June 27 === | === 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'' | ||
| + | * Read [http://devresources.linux-foundation.org/~shemminger/netem/LCA2005_paper.pdf Network Emulation with NetEm] | ||
| + | * Changed the opening policy of TCP to wait for connection establishment before returning from the call to <code>open</code> | ||
| + | * Reviewed paper: [http://ieeexplore.ieee.org/search/wrapper.jsp?arnumber=1528453 A Real-Time Software Platform for the Cell Processor] | ||
| + | * Worked on test suite for network stack | ||
| + | |||
=== June 28 - July 4 === | === 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'' | ||
| + | * Reviewed paper: [http://doi.acm.org/10.1145/1227310.1227372 Mindstorms without robotics: an alternative to simulations in systems courses] | ||
| + | * Read chapters 1 and 2 in ''The Linux Networking Architecture: Design and Implementation of Network Protcols in the Linux Kernel'' | ||
| + | * Read [http://recursos.aldabaknocking.com/libpcapHakin9LuisMartinGarcia.pdf Programming with Libpcap - Sniffing the Network From Our Own Application] | ||
| + | * Started implementation of the PCAP library | ||
| + | * Started to construct a testsuite testcase for ARP | ||
| + | * Wrote a testsuite testcase for the network interface; fixed bugs uncovered by the testcase | ||
| + | * Assisted Dan with the cleanup/rewrite of IPv4 | ||
| + | * Assisted Paul with the cleanup/rewrite of UDP | ||
| + | * Merged the ethernet loopback device into Zachary's branch | ||
| + | |||
=== July 5 - July 11 === | === 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 [http://doi.acm.org/10.1145/1542452.1542461 Eliminating the call stack to save RAM] | ||
| + | |||
=== July 12 - July 18 === | === 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 [http://doi.acm.org/10.1145/1460096.1460165 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 === | === July 19 - July 25 === | ||
| − | ''Vacation'' | + | ''Vacation July 19 - July 25'' |
| + | |||
=== July 26 - August 1 === | === July 26 - August 1 === | ||
| − | ''Vacation'' | + | ''Vacation July 29 - August 1'' |
| + | |||
=== August 2 - August 8 === | === August 2 - August 8 === | ||
| − | ''Vacation'' | + | ''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 === | === August 9 - August 15 === | ||
| − | |||
Latest revision as of 02:52, 24 August 2009
Contents
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
- Reviewed paper: A measurement study of a commercial-grade urban wifi mesh
- Read Chapters 11 and (part of) 12 in The Design and Implementation of the 4.4 BSD Operating System (notes on Trac)
- Discussed new network stack design (details on Trac)
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
- Discussed new network stack design
- Reviewed paper: Factored operating systems (fos): the case for a scalable operating system for multicores
- Read Chapter 4 (Address Discovery and Binding (ARP)) in Internetworking With TCP/IP Vol II: Design, Implementation, and Internals
- Cleaned-up and rewrote
- Network stack related headers (
net.h,network.h,ethpkt.h) netUp,netRecv,netSend,netDown
- Network stack related headers (
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
netaddrstructure 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
- Reviewed paper: Dingo: taming device drivers
- Cleaned-up and rewrote
- Shell function to start network interface
- Assisted with cleanup of IP portions of the network stack
- Read chapter 13 in The Design and Implementation of the 4.4 BSD Operating System
- Read Tmix: a tool for generating realistic TCP application workloads in ns-2
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
- Read Network Emulation with NetEm
- Changed the opening policy of TCP to wait for connection establishment before returning from the call to
open - Reviewed paper: A Real-Time Software Platform for the Cell Processor
- Worked on test suite for network stack
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
- Reviewed paper: Mindstorms without robotics: an alternative to simulations in systems courses
- Read chapters 1 and 2 in The Linux Networking Architecture: Design and Implementation of Network Protcols in the Linux Kernel
- Read Programming with Libpcap - Sniffing the Network From Our Own Application
- Started implementation of the PCAP library
- Started to construct a testsuite testcase for ARP
- Wrote a testsuite testcase for the network interface; fixed bugs uncovered by the testcase
- Assisted Dan with the cleanup/rewrite of IPv4
- Assisted Paul with the cleanup/rewrite of UDP
- Merged the ethernet loopback device into Zachary's branch
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
