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ff763a500c
- Log.h: add setTransform/applyTransform on Logs for message rewriting
- SuiteJournal.h: wire transform into SuiteJournalSink so test output
goes through it (previously bypassed Logs::write entirely)
- Env.h: pass Logs* to SuiteJournalSink
- TestEnv.h: add setPrefix() for per-phase log labels, prepend prefix
in transform
usage:
auto env = makeEnv(features);
auto const& alice = env.account("alice");
env.setPrefix("deposit phase");
// logs: TRC:HooksTrace [deposit phase] HookTrace[Account(alice)-...]: ...
TESTENV_LOGGING="HooksTrace=trace,View=debug"
Basics
Utility functions and classes.
ripple/basic should contain no dependencies on other modules.
Choosing a rippled container.
-
std::vector- For ordered containers with most insertions or erases at the end.
-
std::deque- For ordered containers with most insertions or erases at the start or end.
-
std::list- For ordered containers with inserts and erases to the middle.
- For containers with iterators stable over insert and erase.
- Generally slower and bigger than
std::vectororstd::dequeexcept for those cases.
-
std::set- For sorted containers.
-
ripple::hash_set- Where inserts and contains need to be O(1).
- For "small" sets,
std::setmight be faster and smaller.
-
ripple::hardened_hash_set- For data sets where the key could be manipulated by an attacker in an attempt to mount an algorithmic complexity attack: see http://en.wikipedia.org/wiki/Algorithmic_complexity_attack
The following container is deprecated
std::unordered_set- Use
ripple::hash_setinstead, which uses a better hashing algorithm. - Or use
ripple::hardened_hash_setto prevent algorithmic complexity attacks.