[RPC] Add an uptime command that displays the amount of time that bitcoind has been running

src/qt/clientmodel.cpp

@@ -24,7 +24,6 @@
 
 class CBlockIndex;
 
-static const int64_t nClientStartupTime = GetTime();
 static int64_t nLastHeaderTipUpdateNotification = 0;
 static int64_t nLastBlockTipUpdateNotification = 0;
 
@@ -182,7 +181,7 @@ bool ClientModel::isReleaseVersion() const
 
 QString ClientModel::formatClientStartupTime() const
 {
-    return QDateTime::fromTime_t(nClientStartupTime).toString();
+    return QDateTime::fromTime_t(GetStartupTime()).toString();
 }
 
 QString ClientModel::dataDir() const

src/rpc/server.cpp

@@ -273,6 +273,22 @@ UniValue stop(const UniValue& params, bool fHelp)
     return "Blackcoin server stopping";
 }
 
+UniValue uptime(const JSONRPCRequest& jsonRequest)
+{
+    if (jsonRequest.fHelp || jsonRequest.params.size() > 1)
+        throw std::runtime_error(
+                "uptime\n"
+                        "\nReturns the total uptime of the server.\n"
+                        "\nResult:\n"
+                        "ttt        (numeric) The number of seconds that the server has been running\n"
+                        "\nExamples:\n"
+                + HelpExampleCli("uptime", "")
+                + HelpExampleRpc("uptime", "")
+        );
+
+    return GetTime() - GetStartupTime();
+}
+
 /**
  * Call Table
  */
@@ -282,6 +298,7 @@ static const CRPCCommand vRPCCommands[] =
     /* Overall control/query calls */
     { "control",            "help",                   &help,                   true  },
     { "control",            "stop",                   &stop,                   true  },
+    { "control",            "uptime",                 &uptime,                 true, },
 };
 
 CRPCTable::CRPCTable()

src/util.cpp

@@ -97,6 +97,9 @@ namespace boost {
 
 } // namespace boost
 
+// Application startup time (used for uptime calculation)
+const int64_t nStartupTime = GetTime();
+
 using namespace std;
 
 const char * const BITCOIN_CONF_FILENAME = "blackmore.conf";
@@ -836,3 +839,9 @@ int GetNumCores()
 #endif
 }
 
+// Obtain the application startup time (used for uptime calculation)
+int64_t GetStartupTime()
+{
+    return nStartupTime;
+}
+

src/util.h

@@ -5,7 +5,7 @@
 
 /**
  * Server/client environment: argument handling, config file parsing,
- * logging, thread wrappers
+ * logging, thread wrappers, startup time
  */
 #ifndef BITCOIN_UTIL_H
 #define BITCOIN_UTIL_H
@@ -28,6 +28,9 @@
 #include <boost/signals2/signal.hpp>
 #include <boost/thread/exceptions.hpp>
 
+// Application startup time (used for uptime calculation)
+int64_t GetStartupTime();
+
 static const bool DEFAULT_LOGTIMEMICROS = false;
 static const bool DEFAULT_LOGIPS        = false;
 static const bool DEFAULT_LOGTIMESTAMPS = true;