Replace timeval junk with std::chrono

build/libaegisub/libaegisub.vcxproj

@@ -80,7 +80,6 @@
     <ClInclude Include="$(SrcDir)include\libaegisub\spellchecker.h" />
     <ClInclude Include="$(SrcDir)include\libaegisub\split.h" />
     <ClInclude Include="$(SrcDir)include\libaegisub\thesaurus.h" />
-    <ClInclude Include="$(SrcDir)include\libaegisub\time.h" />
     <ClInclude Include="$(SrcDir)include\libaegisub\util.h" />
     <ClInclude Include="$(SrcDir)include\libaegisub\util_osx.h" />
     <ClInclude Include="$(SrcDir)include\libaegisub\vfr.h" />

build/libaegisub/libaegisub.vcxproj.filters

@@ -152,9 +152,6 @@
     <ClInclude Include="$(SrcDir)include\libaegisub\split.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="$(SrcDir)include\libaegisub\time.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="$(SrcDir)include\libaegisub\ass\uuencode.h">
       <Filter>ASS</Filter>
     </ClInclude>

libaegisub/common/log.cpp

@@ -17,16 +17,15 @@
 #include "libaegisub/cajun/elements.h"
 #include "libaegisub/cajun/writer.h"
 #include "libaegisub/dispatch.h"
-#include "libaegisub/time.h"
 #include "libaegisub/util.h"
 
 #include <boost/filesystem/fstream.hpp>
 #include <boost/filesystem/operations.hpp>
 #include <boost/filesystem/path.hpp>
 #include <boost/range/algorithm/remove_if.hpp>
+#include <chrono>
 
-namespace agi {
+namespace agi { namespace log {
-	namespace log {
 
 /// Global log sink.
 LogSink *log;
@@ -75,12 +74,13 @@ decltype(LogSink::messages) LogSink::GetMessages() const {
 Message::Message(const char *section, Severity severity, const char *file, const char *func, int line)
 : msg(buffer, sizeof buffer)
 {
+	using namespace std::chrono;
 	sm.section = section;
 	sm.severity = severity;
 	sm.file = file;
 	sm.func = func;
 	sm.line = line;
-	sm.tv = util::time_log();
+	sm.time = duration_cast<nanoseconds>(steady_clock::now().time_since_epoch()).count();
 }
 
 Message::~Message() {
@@ -91,17 +91,12 @@ Message::~Message() {
 JsonEmitter::JsonEmitter(fs::path const& directory)
 : fp(new boost::filesystem::ofstream(unique_path(directory/util::strftime("%Y-%m-%d-%H-%M-%S-%%%%%%%%.json"))))
 {
-	WriteTime("open");
-}
-
-JsonEmitter::~JsonEmitter() {
-	WriteTime("close");
 }
 
 void JsonEmitter::log(SinkMessage *sm) {
 	json::Object entry;
-	entry["sec"]      = (int64_t)sm->tv.tv_sec;
+	entry["sec"]      = sm->time / 1000000000;
-	entry["usec"]     = (int64_t)sm->tv.tv_usec;
+	entry["usec"]     = sm->time % 1000000000;
 	entry["severity"] = sm->severity;
 	entry["section"]  = sm->section;
 	entry["file"]     = sm->file;
@@ -112,14 +107,4 @@ void JsonEmitter::log(SinkMessage *sm) {
 	fp->flush();
 }
 
-void JsonEmitter::WriteTime(const char *key) {
+} }
-	auto time = util::time_log();
-	json::Object obj;
-	json::Array &timeval = obj[key];
-	timeval.push_back((int64_t)time.tv_sec);
-	timeval.push_back((int64_t)time.tv_usec);
-	json::Writer::Write(obj, *fp);
-}
-
-	} // namespace log
-} // namespace agi

libaegisub/include/libaegisub/log.h

@@ -12,16 +12,11 @@
 // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-/// @file log.h
-/// @brief Logging
-/// @ingroup libaegisub
-
 #include <libaegisub/fs_fwd.h>
-#include <libaegisub/time.h>
 
 #include <boost/circular_buffer.hpp>
 #include <boost/interprocess/streams/bufferstream.hpp>
-#include <iosfwd>
+#include <cstdint>
 #include <memory>
 #include <vector>
 
@@ -39,9 +34,9 @@
 #define LOG_D_IF(cond, section) if (cond) LOG_SINK(section, agi::log::Debug)
 
 namespace agi {
-	namespace dispatch { class Queue; }
+namespace dispatch { class Queue; }
+namespace log {
 
-	namespace log {
 class LogSink;
 
 /// Severity levels
@@ -63,7 +58,7 @@ extern LogSink *log;
 /// Container to hold a single message
 struct SinkMessage {
 	std::string message; ///< Formatted message
-	agi_timeval tv;			///< Time at execution
+	int64_t time;        ///< Time at execution in nanoseconds since epoch
 	const char *section; ///< Section info eg "video/open" "video/seek" etc
 	const char *file;    ///< Source file
 	const char *func;    ///< Function name
@@ -115,14 +110,10 @@ public:
 class JsonEmitter final : public Emitter {
 	std::unique_ptr<std::ostream> fp;
 
-	void WriteTime(const char *key);
-
 public:
 	/// Constructor
 	/// @param directory Directory to write the log file in
 	JsonEmitter(fs::path const& directory);
-	/// Destructor
-	~JsonEmitter();
 
 	void log(SinkMessage *) override;
 };

libaegisub/include/libaegisub/time.h

@@ -1,34 +0,0 @@
-// Copyright (c) 2013, Thomas Goyne <plorkyeran@aegisub.org>
-//
-// Permission to use, copy, modify, and distribute this software for any
-// purpose with or without fee is hereby granted, provided that the above
-// copyright notice and this permission notice appear in all copies.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-//
-// Aegisub Project http://www.aegisub.org/
-
-#pragma once
-
-#ifdef HAVE_SYS_TIME_H
-#  include <sys/time.h>
-#else
-#  include <ctime>
-#endif
-
-#ifdef _WIN32
-// timeval on windows is defined by winsock, which is a bit much to drag in for
-// a pair of longs
-struct agi_timeval {
-	long tv_sec;
-	long tv_usec;
-};
-#else
-typedef timeval agi_timeval;
-#endif

libaegisub/include/libaegisub/util.h

@@ -12,8 +12,6 @@
 // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-#include <libaegisub/time.h>
-
 #include <algorithm>
 #include <boost/range/irange.hpp>
 #include <string>
@@ -25,9 +23,6 @@ namespace agi {
 	/// Clamp `b` to the range [`a`,`c`]
 	template<typename T> inline T mid(T a, T b, T c) { return std::max(a, std::min(b, c)); }
 
-	/// Get time suitable for logging mechanisms.
-	agi_timeval time_log();
-
 	bool try_parse(std::string const& str, double *out);
 	bool try_parse(std::string const& str, int *out);
 

libaegisub/unix/log.cpp

@@ -12,30 +12,31 @@
 // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
+#include "libaegisub/log.h"
+
 #include <cstdio>
 #include <ctime>
-
 #include <unistd.h>
 
-#include "libaegisub/log.h"
-
 namespace agi { namespace log {
 void EmitSTDOUT::log(SinkMessage *sm) {
+	time_t time = sm->time / 1000000000;
 	tm tmtime;
-	localtime_r(&sm->tv.tv_sec, &tmtime);
+	localtime_r(&time, &tmtime);
 
 	printf("%c %02d:%02d:%02d %-6ld <%-25s> [%s:%s:%d]  %.*s\n",
 		Severity_ID[sm->severity],
 		tmtime.tm_hour,
 		tmtime.tm_min,
 		tmtime.tm_sec,
-		(long)sm->tv.tv_usec,
+		(long)(sm->time % 1000000000),
 		sm->section,
 		sm->file,
 		sm->func,
 		sm->line,
 		(int)sm->message.size(),
 		sm->message.c_str());
+
 	if (!isatty(fileno(stdout)))
 		fflush(stdout);
 }

libaegisub/unix/util.cpp

@@ -23,13 +23,6 @@
 #endif
 
 namespace agi { namespace util {
-
-timeval time_log() {
-	timeval tv;
-	gettimeofday(&tv, nullptr);
-	return tv;
-}
-
 void SetThreadName(const char *) { }
 
 void sleep_for(int ms) {

libaegisub/windows/util_win.cpp

@@ -12,10 +12,6 @@
 // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-/// @file util.cpp
-/// @brief Windows utility methods.
-/// @ingroup libaegisub windows
-
 #include "libaegisub/util.h"
 
 #include "libaegisub/charset_conv_win.h"
@@ -43,39 +39,6 @@ std::string ErrorString(int error) {
 	return str;
 }
 
-/// @brief Get seconds and microseconds.
-/// @param tv[out] agi_timeval struct
-/// This code is from http://www.suacommunity.com/dictionary/gettimeofday-entry.php
-agi_timeval time_log() {
-#define DELTA_EPOCH_IN_MICROSECS  11644473600000000Ui64
-	// Define a structure to receive the current Windows filetime
-	FILETIME ft;
-
-	// Initialize the present time to 0 and the timezone to UTC
-	unsigned __int64 tmpres = 0;
-
-	GetSystemTimeAsFileTime(&ft);
-
-	// The GetSystemTimeAsFileTime returns the number of 100 nanosecond
-	// intervals since Jan 1, 1601 in a structure. Copy the high bits to
-	// the 64 bit tmpres, shift it left by 32 then or in the low 32 bits.
-	tmpres |= ft.dwHighDateTime;
-	tmpres <<= 32;
-	tmpres |= ft.dwLowDateTime;
-
-	// Convert to microseconds by dividing by 10
-	tmpres /= 10;
-
-	// The Unix epoch starts on Jan 1 1970.  Need to subtract the difference
-	// in seconds from Jan 1 1601.
-	tmpres -= DELTA_EPOCH_IN_MICROSECS;
-
-	// Finally change microseconds to seconds and place in the seconds value.
-	// The modulus picks up the microseconds.
-	agi_timeval tv = { (long)(tmpres / 1000000UL), (long)(tmpres % 1000000UL) };
-	return tv;
-}
-
 #define MS_VC_EXCEPTION 0x406d1388
 
 /// Parameters for setting the thread name

src/dialog_log.cpp

@@ -53,15 +53,16 @@ public:
 	}
 
 	void log(agi::log::SinkMessage *sm) override {
+		time_t time = sm->time / 1000000000;
 #ifndef _WIN32
 		tm tmtime;
-		localtime_r(&sm->tv.tv_sec, &tmtime);
+		localtime_r(&time, &tmtime);
 		auto log = wxString::Format("%c %02d:%02d:%02d %-6ld <%-25s> [%s:%s:%d]  %s\n",
 			agi::log::Severity_ID[sm->severity],
 			(int)tmtime.tm_hour,
 			(int)tmtime.tm_min,
 			(int)tmtime.tm_sec,
-			(long)sm->tv.tv_usec,
+			(long)(sm->time % 1000000000),
 			sm->section,
 			sm->file,
 			sm->func,
@@ -70,7 +71,7 @@ public:
 #else
 		auto log = wxString::Format("%c %-6ld <%-25s> [%s:%s:%d]  %s\n",
 			agi::log::Severity_ID[sm->severity],
-			sm->tv.tv_usec,
+			(long)(sm->time % 1000000000),
 			sm->section,
 			sm->file,
 			sm->func,