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Merge pull request #2188 from lioncash/log-static 

logging/backend: Move CreateEntry into the Impl class. Relocate local static to a class variable
This commit is contained in:
bunnei 2019-03-04 13:46:01 -05:00 committed by GitHub
parent be6bf37224 f8f1ff0b4f
commit 6ad66acce2
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 25 additions and 29 deletions
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50
src/common/logging/backend.cpp
View File

@ -39,8 +39,10 @@ public:
Impl(Impl const&) = delete;
const Impl& operator=(Impl const&) = delete;
void PushEntry(Entry e) {
message_queue.Push(std::move(e));
void PushEntry(Class log_class, Level log_level, const char* filename, unsigned int line_num,
const char* function, std::string message) {
message_queue.Push(
CreateEntry(log_class, log_level, filename, line_num, function, std::move(message)));
}
void AddBackend(std::unique_ptr<Backend> backend) {
@ -108,11 +110,30 @@ private:
backend_thread.join();
}
Entry CreateEntry(Class log_class, Level log_level, const char* filename, unsigned int line_nr,
const char* function, std::string message) const {
using std::chrono::duration_cast;
using std::chrono::steady_clock;
Entry entry;
entry.timestamp =
duration_cast<std::chrono::microseconds>(steady_clock::now() - time_origin);
entry.log_class = log_class;
entry.log_level = log_level;
entry.filename = Common::TrimSourcePath(filename);
entry.line_num = line_nr;
entry.function = function;
entry.message = std::move(message);
return entry;
}
std::mutex writing_mutex;
std::thread backend_thread;
std::vector<std::unique_ptr<Backend>> backends;
Common::MPSCQueue<Log::Entry> message_queue;
Filter filter;
std::chrono::steady_clock::time_point time_origin{std::chrono::steady_clock::now()};
};
void ConsoleBackend::Write(const Entry& entry) {
@ -271,25 +292,6 @@ const char* GetLevelName(Level log_level) {
#undef LVL
}
Entry CreateEntry(Class log_class, Level log_level, const char* filename, unsigned int line_nr,
const char* function, std::string message) {
using std::chrono::duration_cast;
using std::chrono::steady_clock;
static steady_clock::time_point time_origin = steady_clock::now();
Entry entry;
entry.timestamp = duration_cast<std::chrono::microseconds>(steady_clock::now() - time_origin);
entry.log_class = log_class;
entry.log_level = log_level;
entry.filename = Common::TrimSourcePath(filename);
entry.line_num = line_nr;
entry.function = function;
entry.message = std::move(message);
return entry;
}
void SetGlobalFilter(const Filter& filter) {
Impl::Instance().SetGlobalFilter(filter);
}
@ -314,9 +316,7 @@ void FmtLogMessageImpl(Class log_class, Level log_level, const char* filename,
if (!filter.CheckMessage(log_class, log_level))
return;
Entry entry =
CreateEntry(log_class, log_level, filename, line_num, function, fmt::vformat(format, args));
instance.PushEntry(std::move(entry));
instance.PushEntry(log_class, log_level, filename, line_num, function,
fmt::vformat(format, args));
}
} // namespace Log

4
src/common/logging/backend.h
View File

@ -135,10 +135,6 @@ const char* GetLogClassName(Class log_class);
*/
const char* GetLevelName(Level log_level);
/// Creates a log entry by formatting the given source location, and message.
Entry CreateEntry(Class log_class, Level log_level, const char* filename, unsigned int line_nr,
const char* function, std::string message);
/**
* The global filter will prevent any messages from even being processed if they are filtered. Each
* backend can have a filter, but if the level is lower than the global filter, the backend will