Merge #10400: [RPC] Add an uptime command that displays the amount of time (in seconds) bitcoind has been running

c074752 [RPC] Add an uptime command that displays the amount of time that bitcoind has been running (Ricardo Velhote)

Tree-SHA512: 8f59d4205042885f23f5b87a0eae0f5d386e9c6134e5324598e7ee304728d4275f383cd154bf1fb25350f5a88cc0ed9f97edb099e9b50c4a0ba72d63ec5ca5b4

src/qt/clientmodel.cpp

@@ -32,7 +32,6 @@
 
 class CBlockIndex;
 
-static const int64_t nClientStartupTime = GetTime();
 static int64_t nLastHeaderTipUpdateNotification = 0;
 static int64_t nLastBlockTipUpdateNotification = 0;
 
@@ -275,7 +274,7 @@ 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

@@ -314,6 +314,22 @@ UniValue stop(const JSONRPCRequest& jsonRequest)
     return "Dash Core 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
  */
@@ -323,6 +339,7 @@ static const CRPCCommand vRPCCommands[] =
     /* Overall control/query calls */
     { "control",            "help",                   &help,                   true,  {"command"}  },
     { "control",            "stop",                   &stop,                   true,  {}  },
+    { "control",            "uptime",                 &uptime,                 true,  {}  },
 };
 
 CRPCTable::CRPCTable()

src/util.cpp

@@ -92,6 +92,8 @@
 #include <openssl/rand.h>
 #include <openssl/conf.h>
 
+// Application startup time (used for uptime calculation)
+const int64_t nStartupTime = GetTime();
 
 //Dash only features
 bool fMasternodeMode = false;
@@ -1099,3 +1101,9 @@ std::string SafeIntVersionToString(uint32_t nVersion)
     }
 }
 
+
+// Obtain the application startup time (used for uptime calculation)
+int64_t GetStartupTime()
+{
+    return nStartupTime;
+}

src/util.h

@@ -6,7 +6,7 @@
 
 /**
  * Server/client environment: argument handling, config file parsing,
- * logging, thread wrappers
+ * logging, thread wrappers, startup time
  */
 #ifndef BITCOIN_UTIL_H
 #define BITCOIN_UTIL_H
@@ -49,6 +49,9 @@ extern bool fMasternodeMode;
 extern bool fLiteMode;
 extern int nWalletBackups;
 
+// 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;

test/functional/test_runner.py

@@ -126,6 +126,7 @@ BASE_SCRIPTS= [
     'sporks.py',
     'p2p-fingerprint.py',
     'wallet-encryption.py',
+    'uptime.py',
 ]
 
 EXTENDED_SCRIPTS = [

test/functional/uptime.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+# Copyright (c) 2017 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Test the RPC call related to the uptime command.
+
+Test corresponds to code in rpc/server.cpp.
+"""
+
+import time
+
+from test_framework.test_framework import BitcoinTestFramework
+
+
+class UptimeTest(BitcoinTestFramework):
+    def __init__(self):
+        super().__init__()
+
+        self.num_nodes = 1
+        self.setup_clean_chain = True
+
+    def run_test(self):
+        self._test_uptime()
+
+    def _test_uptime(self):
+        wait_time = 10
+        self.nodes[0].setmocktime(int(time.time() + wait_time))
+        assert(self.nodes[0].uptime() >= wait_time)
+
+
+if __name__ == '__main__':
+    UptimeTest().main()