Added restart functionality

src/crownd.cpp

@@ -35,6 +35,7 @@
  */
 
 static bool fDaemon;
+std::string appPath;
 
 void DetectShutdownThread(boost::thread_group* threadGroup)
 {
@@ -186,6 +187,21 @@ bool AppInit(int argc, char* argv[])
         delete detectShutdownThread;
         detectShutdownThread = NULL;
     }
+    if (RestartRequested())
+    {
+        // If restart requested cleanup resources and run application again.
+        // The old one will be exited below.
+        PrepareShutdown();
+        CExplicitNetCleanup::callCleanup();
+        if (appPath.empty())
+        {
+            fprintf(stderr, "Error: Application name couldn't be detected.");
+        }
+        else
+        {
+            runCommand(appPath + " &");
+        }
+    }
     Shutdown();
 
     return fRet;
@@ -193,6 +209,10 @@ bool AppInit(int argc, char* argv[])
 
 int main(int argc, char* argv[])
 {
+    if (argc > 0)
+    {
+        appPath = std::string(argv[0]);
+    }
     SetupEnvironment();
 
     // Connect crownd signal handlers

src/init.cpp

@@ -122,10 +122,18 @@ void StartShutdown()
 {
     fRequestShutdown = true;
 }
+void StartRestart()
+{
+    fRestartRequested = true;
+}
 bool ShutdownRequested()
 {
     return fRequestShutdown || fRestartRequested;
 }
+bool RestartRequested()
+{
+    return fRestartRequested;
+}
 
 class CCoinsViewErrorCatcher : public CCoinsViewBacked
 {

src/init.h

@@ -18,7 +18,9 @@ class thread_group;
 extern CWallet* pwalletMain;
 
 void StartShutdown();
+void StartRestart();
 bool ShutdownRequested();
+bool RestartRequested();
 void Shutdown();
 void PrepareShutdown();
 bool AppInit2(boost::thread_group& threadGroup);

src/rpcserver.cpp

@@ -235,6 +235,17 @@ Value stop(const Array& params, bool fHelp)
     return "Crown server stopping";
 }
 
+Value restart(const Array& params, bool fHelp)
+{
+    // Accept the deprecated and ignored 'detach' boolean argument
+    if (fHelp || params.size() > 1)
+        throw runtime_error(
+            "restart\n"
+            "\nRestart Crown server.");
+    // Restart will take long enough that the response should get back
+    StartRestart();
+    return "Crown server restarting";
+}
 
 
 /**
@@ -247,6 +258,7 @@ static const CRPCCommand vRPCCommands[] =
     { "control",            "getinfo",                &getinfo,                true,      false,      false }, /* uses wallet if enabled */
     { "control",            "help",                   &help,                   true,      true,       false },
     { "control",            "stop",                   &stop,                   true,      true,       false },
+    { "control",            "restart",                &restart,                true,      true,       false },
 
     /* P2P networking */
     { "network",            "getnetworkinfo",         &getnetworkinfo,         true,      false,      false },

src/rpcupdate.cpp

@@ -106,6 +106,9 @@ void RPCInstall()
         } else {
             RPCUpdate::statusObj.push_back(Pair("Install", "Done"));
         }
+
+        // Restart crownd
+        StartRestart();
     }
 
     boost::filesystem::remove_all(dir);

src/updater.cpp

@@ -4,6 +4,7 @@
 #include "updater.h"
 #include "clientversion.h"
 #include "util.h"
+#include "chainparams.h"
 
 #include <stdio.h>
 #include <curl/curl.h>
@@ -19,7 +20,6 @@ struct myprogress {
 Updater updater;
 
 Updater::Updater() :
-    updaterInfoUrl("https://raw.githubusercontent.com/ashotkhachatryan/crowncoin/systemnode/update1.json"),
     os(Updater::UNKNOWN),
     status(false),
     version(-1),
@@ -80,11 +80,28 @@ bool Updater::NeedToBeUpdated()
     return false;
 }
 
+void Updater::SetJsonPath()
+{
+    if (updaterInfoUrl.empty())
+    {
+        if (Params().NetworkID() == CBaseChainParams::MAIN)
+        {
+            updaterInfoUrl = "https://raw.githubusercontent.com/Crowndev/crowncoin/master/update.json";
+        }
+        else
+        {
+            updaterInfoUrl = "https://raw.githubusercontent.com/Crowndev/crowncoin/master/update_testnet.json";
+        }
+    }
+    std::cout << updaterInfoUrl << std::endl;
+}
+
 bool Updater::LoadUpdateInfo()
 {
     bool result = false;
     CURL *curl;
     std::string updateData;
+    SetJsonPath();
     CURLcode res = CURLE_FAILED_INIT;
     curl = curl_easy_init();
     if (curl)

src/updater.h

@@ -55,6 +55,7 @@ private:
     std::string updaterInfoUrl;
     bool LoadUpdateInfo();
     Value ParseJson(std::string info);
+    void SetJsonPath();
     void SetOS();
     bool NeedToBeUpdated();
     int GetVersionFromJson();