From 7bbc7c314f4ebb1e7fe882a0a2aae5a5655f2972 Mon Sep 17 00:00:00 2001
From: Suhas Daftuar <sdaftuar@gmail.com>
Date: Fri, 23 Oct 2015 13:07:36 -0400
Subject: Add option for microsecond precision in debug.log

---
 src/init.cpp     |  2 ++
 src/util.cpp     | 11 ++++++++---
 src/util.h       |  3 +++
 src/utiltime.cpp |  8 ++++++++
 src/utiltime.h   |  1 +
 5 files changed, 22 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/init.cpp b/src/init.cpp
index a079dce5bc..bfa9c95e3b 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -428,6 +428,7 @@ std::string HelpMessage(HelpMessageMode mode)
     strUsage += HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), 1));
     if (showDebug)
     {
+        strUsage += HelpMessageOpt("-logtimemicros", strprintf("Add microsecond precision to debug timestamps (default: %u)", DEFAULT_LOGTIMEMICROS));
         strUsage += HelpMessageOpt("-limitfreerelay=<n>", strprintf("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default: %u)", 15));
         strUsage += HelpMessageOpt("-relaypriority", strprintf("Require high priority for relaying free or low-fee transactions (default: %u)", 1));
         strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit size of signature cache to <n> entries (default: %u)", 50000));
@@ -726,6 +727,7 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
     // Set this early so that parameter interactions go to console
     fPrintToConsole = GetBoolArg("-printtoconsole", false);
     fLogTimestamps = GetBoolArg("-logtimestamps", true);
+    fLogTimeMicros = GetBoolArg("-logtimemicros", DEFAULT_LOGTIMEMICROS);
     fLogIPs = GetBoolArg("-logips", false);
 
     LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
diff --git a/src/util.cpp b/src/util.cpp
index 8192a7c71c..e8514a2ef0 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -108,6 +108,7 @@ bool fDaemon = false;
 bool fServer = false;
 string strMiscWarning;
 bool fLogTimestamps = false;
+bool fLogTimeMicros = DEFAULT_LOGTIMEMICROS;
 bool fLogIPs = false;
 volatile bool fReopenDebugLog = false;
 CTranslationInterface translationInterface;
@@ -263,9 +264,13 @@ static std::string LogTimestampStr(const std::string &str, bool *fStartedNewLine
     if (!fLogTimestamps)
         return str;
 
-    if (*fStartedNewLine)
-        strStamped =  DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()) + ' ' + str;
-    else
+    if (*fStartedNewLine) {
+        int64_t nTimeMicros = GetLogTimeMicros();
+        strStamped = DateTimeStrFormat("%Y-%m-%d %H:%M:%S", nTimeMicros/1000000);
+        if (fLogTimeMicros)
+            strStamped += strprintf(".%06d", nTimeMicros%1000000);
+        strStamped += ' ' + str;
+    } else
         strStamped = str;
 
     if (!str.empty() && str[str.size()-1] == '\n')
diff --git a/src/util.h b/src/util.h
index 0b2dc01ac6..b2779fe782 100644
--- a/src/util.h
+++ b/src/util.h
@@ -28,6 +28,8 @@
 #include <boost/signals2/signal.hpp>
 #include <boost/thread/exceptions.hpp>
 
+static const bool DEFAULT_LOGTIMEMICROS = false;
+
 /** Signals for translation. */
 class CTranslationInterface
 {
@@ -44,6 +46,7 @@ extern bool fPrintToDebugLog;
 extern bool fServer;
 extern std::string strMiscWarning;
 extern bool fLogTimestamps;
+extern bool fLogTimeMicros;
 extern bool fLogIPs;
 extern volatile bool fReopenDebugLog;
 extern CTranslationInterface translationInterface;
diff --git a/src/utiltime.cpp b/src/utiltime.cpp
index d316288999..3202c47f1d 100644
--- a/src/utiltime.cpp
+++ b/src/utiltime.cpp
@@ -40,6 +40,14 @@ int64_t GetTimeMicros()
             boost::posix_time::ptime(boost::gregorian::date(1970,1,1))).total_microseconds();
 }
 
+/** Return a time useful for the debug log */
+int64_t GetLogTimeMicros()
+{
+    if (nMockTime) return nMockTime*1000000;
+
+    return GetTimeMicros();
+}
+
 void MilliSleep(int64_t n)
 {
 
diff --git a/src/utiltime.h b/src/utiltime.h
index 900992f871..241b5211e9 100644
--- a/src/utiltime.h
+++ b/src/utiltime.h
@@ -12,6 +12,7 @@
 int64_t GetTime();
 int64_t GetTimeMillis();
 int64_t GetTimeMicros();
+int64_t GetLogTimeMicros();
 void SetMockTime(int64_t nMockTimeIn);
 void MilliSleep(int64_t n);
 
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