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Add utility function to access first random seed.

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This commit is contained in:
Matthias Vallentin 2013-06-14 09:22:48 -07:00
parent a6d7b7856e
commit d2d8aff814
2 changed files with 18 additions and 0 deletions
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13
src/util.cc
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@ -716,6 +716,8 @@ static bool write_random_seeds(const char* write_file, uint32 seed,
static bool bro_rand_determistic = false;
static unsigned int bro_rand_state = 0;
static bool first_seed_saved = false;
static unsigned int first_seed = 0;
static void bro_srandom(unsigned int seed, bool deterministic)
{
@ -800,6 +802,12 @@ void init_random_seed(uint32 seed, const char* read_file, const char* write_file
bro_srandom(seed, seeds_done);
if ( ! first_seed_saved )
{
first_seed = seed;
first_seed_saved = true;
}
if ( ! hmac_key_set )
{
MD5((const u_char*) buf, sizeof(buf), shared_hmac_md5_key);
@ -811,6 +819,11 @@ void init_random_seed(uint32 seed, const char* read_file, const char* write_file
write_file);
}
unsigned int initial_seed()
{
return first_seed;
}
bool have_random_seed()
{
return bro_rand_determistic;