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ircd::log: Simplify epoch column value; fixed width.

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This commit is contained in:
Jason Volk 2020-08-21 05:02:42 -07:00
parent 07830f1413
commit 4292365abf
1 changed files with 5 additions and 12 deletions
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17
ircd/logger.cc
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@ -535,20 +535,13 @@ noexcept
// grab the ios slice counter.
const auto &epoch
{
ctx::current? ctx::epoch() : ios::epoch()
ios::epoch()
};
// With two possible slice epoch counters, the number of characters
// required for the epoch column might be different between two adjacent
// log messages. To maintain alignment we use this monotonic counter which
// gets bumped the first time either epoch value requires more columns. To
// minimize overhead here we simply settle for 3 different widths.
static size_t epoch_width{6}; epoch_width =
epoch < 1'000'000UL?
std::max(epoch_width, 6UL):
epoch < 100'000'000UL?
std::max(epoch_width, 8UL):
std::max(epoch_width, 12UL);
static const size_t epoch_width
{
12
};
// Compose the prefix sequence into the buffer through stringstream
std::stringstream s;