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10 Commits

Author SHA1 Message Date
Ben Pfaff
cb22974d77 Replace most uses of assert by ovs_assert. 
This is a straight search-and-replace, except that I also removed #include
<assert.h> from each file where there were no assert calls left.

Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
 2013-01-16 16:03:37 -08:00
Raju Subramanian
e0edde6fee Global replace of Nicira Networks. 
Replaced all instances of Nicira Networks(, Inc) to Nicira, Inc.

Feature #10593
Signed-off-by: Raju Subramanian <rsubramanian@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
 2012-05-02 17:08:02 -07:00
Ben Pfaff
ddc4f8e27f util: Move bitwise_copy() here, add new bitwise functions, add a test. 
bitwise_copy() is generally useful so make it a general utility function.
Also add a comment.

Upcoming commits will introduce users for the new functions.

Signed-off-by: Ben Pfaff <blp@nicira.com>
 2012-02-01 14:15:07 -08:00
Ben Pfaff
279c9e0308 Log anything that could prevent a daemon from starting. 
If a daemon doesn't start, we need to know why.  Being able to
consistently consult the log to find out is helpful.
 2011-04-04 10:58:55 -07:00
Ben Pfaff
78f3f31640 random: Add entropy test. 
This test would have made the bug fixed in the previous commit obvious.  It
would have printed the following:

average=0007c220

bit      0     1
  0  5012  4988
  1  5019  4981
  2  5154  4846
  3  4909  5091
  4  5011  4989
  5  5021  4979
  6  4911  5089
  7  4910  5090
  8  5011  4989
  9  5020  4980
 10  5154  4846
 11  5021  4979
 12  5155  4845
 13  5019  4981
 14  5153  4847
 15  5153  4847
 16  5153  4847
 17  5153  4847
 18  5153  4847
 19  5152  4848
 20 10000     0
 21 10000     0
 22 10000     0
 23 10000     0
 24 10000     0
 25 10000     0
 26 10000     0
 27 10000     0
 28 10000     0
 29 10000     0
 30 10000     0
 31 10000     0
(expected values are 5000)

nibble   0   1   2   3   4   5   6   7   8   9  10  11  12  13  14  15
     0 696 646 564 693 542 545 612 611 687 663 645 560 674 566 592 704
     1 625 589 597 571 638 623 604 663 670 652 650 557 541 683 686 651
     2 628 644 659 672 648 569 585 616 623 647 681 600 586 675 601 566
     3 683 665 717 549 633 613 701 592 663 531 545 800 623 608 590 487
     4 622 657 777 557 720 608 613 598 657 678 551 654 615 596 598 499
     5 10000   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
     6 10000   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
     7 10000   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
(expected values are 625)
 2010-11-15 09:34:18 -08:00
Ben Pfaff
7918636f05 random: Fix random number generator. 
As written, this "32-bit" random number generator nevers returns a value
bigger than 0xfffe0.  This fixes the problem.
 2010-11-15 09:32:58 -08:00
Ben Pfaff
10df718e73 random: Get random seed from /dev/urandom. 
Even though this PRNG is not meant to be cryptographically secure, there is
no reason not to get a high-quality seed.

CC: Stephen Hemminger <shemminger@vyatta.com>
 2010-08-12 15:49:18 -07:00
Ben Pfaff
e519ea28d6 random: Implement a decent random number generator. 
Until now this library has based its random number upon those returned
by libc's rand() function.  This has always bugged me--it is not a good
solution since rand() varies in quality so much.  This commit changes
the random library to use a simple but high-quality PRNG.
 2010-08-11 15:56:09 -07:00
Ben Pfaff
a14bc59fb8 Update primary code license to Apache 2.0. 2009-06-15 15:11:30 -07:00
Ben Pfaff
064af42167 Import from old repository commit 61ef2b42a9c4ba8e1600f15bb0236765edc2ad45. 2009-07-08 13:19:16 -07:00