Diagnose Lib Version #1

src/Makefile.qt.include

@@ -249,6 +249,7 @@ GRIDCOINRESEARCH_QT_H = \
   qt/csvmodelwriter.h \
   qt/decoration.h \
   qt/diagnosticsdialog.h \
+  qt/Diagnose.h \
   qt/editaddressdialog.h \
   qt/favoritespage.h \
   qt/guiconstants.h \
@@ -340,6 +341,8 @@ GRIDCOINRESEARCH_QT_CPP = \
   qt/csvmodelwriter.cpp \
   qt/decoration.cpp \
   qt/diagnosticsdialog.cpp \
+  qt/Diagnose.cpp \
+  qt/Diagnose.cpp \
   qt/editaddressdialog.cpp \
   qt/favoritespage.cpp \
   qt/guiutil.cpp \

src/qt/Diagnose.cpp

@@ -0,0 +1,207 @@
+
+#include "Diagnose.h"
+#include "net.h"
+#include <QtNetwork>
+
+using namespace DiagnoseLib;
+//Define the Static members
+bool Diagnose::m_researcher_mode = false;
+const ResearcherModel* Diagnose::m_researcher_model = nullptr;
+std::unordered_map<std::string, Diagnose*> m_name_to_test_map;
+CCriticalSection Diagnose::cs_diagnostictests;
+
+void VerifyClock::clkReportResults(const int64_t& time_offset, const bool& timeout_during_check)
+{
+    if (!timeout_during_check)
+    {
+        if (abs64(time_offset) < 3 * 60)
+        {
+	    m_results = PASS;
+        }
+        else if (abs64(time_offset) < 5 * 60)
+        {
+            m_results_tip = "You should check your time and time zone settings for your computer.";
+	    m_results = WARNING;
+	    m_results_string = "Warning: Clock skew is between 3 and 5 minutes. Please check your clock settings.";
+        }
+        else
+        {
+	    m_results = FAIL;
+            m_results_tip = "Your clock in your computer is significantly off from UTC or network time and "
+                                 "this may seriously degrade the operation of the wallet, including maintaining "
+                                 "connection to the network. You should check your time and time zone settings "
+                                 "for your computer. A very common problem is the off by one hour caused by a time "
+                                 "zone issue or problems with daylight savings time.";
+	    m_results_string = "Error: Clock skew is 5 minutes or greater. Please check your clock settings.";
+        }
+    }else{
+	    m_results = WARNING;
+            m_results_tip = "The wallet has less than five connections to the network and is unable to connect "
+                             "to an NTP server to check your computer clock. This is not necessarily a problem. "
+                             "You can wait a few minutes and try the test again.";
+	    m_results_string  = "Warning: Cannot connect to NTP server";
+    }
+}
+
+void VerifyClock::clkStateChanged(QAbstractSocket::SocketState state)
+{
+    if (state == QAbstractSocket::ConnectedState)
+    {
+        connect(m_udpSocket, &QUdpSocket::readyRead, this, &VerifyClock::clkFinished);
+
+        char NTPMessage[48] = {0x1b, 0, 0, 0 ,0, 0, 0, 0, 0};
+
+        m_udpSocket->write(NTPMessage, sizeof(NTPMessage));
+    }
+}
+
+void VerifyClock::clkFinished(){
+    if (m_udpSocket->waitForReadyRead(10 * 1000))
+    {
+        int64_t start_time = GetAdjustedTime();
+
+        // Only allow this loop to run for 5 seconds maximum.
+        while (m_udpSocket->hasPendingDatagrams() && GetAdjustedTime() - start_time <= 5)
+        {
+            QByteArray BufferSocket = m_udpSocket->readAll();
+
+            if (BufferSocket.size() == 48)
+            {
+                int nNTPCount = 40;
+                uint32_t DateTimeIn = uchar(BufferSocket.at(nNTPCount))
+                        + (uchar(BufferSocket.at(nNTPCount + 1)) << 8)
+                        + (uchar(BufferSocket.at(nNTPCount + 2)) << 16)
+                        + (uchar(BufferSocket.at(nNTPCount + 3)) << 24);
+                time_t tmit = ntohl(DateTimeIn) - 2208988800U;
+
+                m_udpSocket->close();
+
+                boost::posix_time::ptime localTime = boost::posix_time::microsec_clock::universal_time();
+                boost::posix_time::ptime networkTime = boost::posix_time::from_time_t(tmit);
+                boost::posix_time::time_duration timeDiff = networkTime - localTime;
+
+                clkReportResults(timeDiff.total_seconds());
+
+                return;
+            }
+        }
+    }
+    else // The other state here is a socket or other indeterminate error such as a timeout (coming from clkSocketError).
+    {
+        // This is needed to "cancel" the timeout timer. Essentially if the test was marked completed via the normal exits
+        // above, then when the timer calls clkFinished again, it will hit this conditional and be a no-op.
+
+	auto VerifyClock_Test = getTest(Diagnose::VerifyClock);
+        if (VerifyClock_Test->getResults() != Diagnose::NONE)
+        {
+            clkReportResults(0, true);
+        }
+
+        return;
+    }
+}
+
+void VerifyClock::clkSocketError()
+{
+    m_udpSocket->close();
+
+    clkReportResults(0, true);
+}
+
+void VerifyTCPPort::TCPFailed(QAbstractSocket::SocketError socket_error){
+	m_results = WARNING;
+	m_results_tip = "Outbound communication to TCP port %1 appears to be blocked. ";
+	m_results_string_arg.push_back( std::to_string(GetListenPort()));
+
+	switch (socket_error){
+		case QAbstractSocket::SocketError::ConnectionRefusedError:
+		m_results_tip += "The connection to the port test site was refused. This could be a transient problem with the "
+				"port test site, but could also be an issue with your firewall. If you are also failing the "
+				"connection test, your firewall is most likely blocking network communications from the "
+				"Gridcoin client.";
+
+		break;
+
+		case QAbstractSocket::SocketError::RemoteHostClosedError:
+			m_results_tip += "The port test site is closed on port. This could be a transient problem with the "
+					 "port test site, but could also be an issue with your firewall. If you are also failing the "
+					 "connection test, your firewall is most likely blocking network communications from the "
+					 "Gridcoin client.";
+
+			break;
+
+		case QAbstractSocket::SocketError::HostNotFoundError:
+		// This does not include the common text above on purpose.
+		m_results_tip = "The IP for the port test site is unable to be resolved. This could mean your DNS is not working "
+				"correctly. The wallet may operate without DNS, but it could be severely degraded, especially if "
+				"the wallet is new and a database of prior successful connections has not been built up. Please "
+				"check your computer and ensure name resolution is operating correctly.";
+
+		break;
+
+	    case QAbstractSocket::SocketError::SocketAccessError:
+	    case QAbstractSocket::SocketError::SocketResourceError:
+	    case QAbstractSocket::SocketError::SocketTimeoutError:
+	    case QAbstractSocket::SocketError::DatagramTooLargeError:
+	    case QAbstractSocket::SocketError::NetworkError:
+	    case QAbstractSocket::SocketError::AddressInUseError:
+	    case QAbstractSocket::SocketError::SocketAddressNotAvailableError:
+	    case QAbstractSocket::SocketError::UnsupportedSocketOperationError:
+	    case QAbstractSocket::SocketError::UnfinishedSocketOperationError:
+	    case QAbstractSocket::SocketError::OperationError:
+		m_results = FAIL;
+
+		// This does not include the common text above on purpose.
+		m_results_tip = "The network has experienced a low-level error and this probably means your IP address or other "
+				"network connection parameters are not configured correctly. Please check your network configuration "
+				"on your computer.";
+
+		break;
+
+	    case QAbstractSocket::SocketError::ProxyAuthenticationRequiredError:
+	    case QAbstractSocket::SocketError::ProxyConnectionRefusedError:
+	    case QAbstractSocket::SocketError::ProxyConnectionClosedError:
+	    case QAbstractSocket::SocketError::ProxyConnectionTimeoutError:
+	    case QAbstractSocket::SocketError::ProxyNotFoundError:
+	    case QAbstractSocket::SocketError::ProxyProtocolError:
+		m_results = FAIL;
+
+		m_results_tip += "Your network may be using a proxy server to communicate to public IP addresses on the Internet, and "
+			      "the wallet is not configured properly to use it. Please check the proxy settings under Options -> "
+			      "Network -> Connect through SOCKS5 proxy.";
+
+		break;
+
+	    // SSL errors will NOT be triggered unless we implement a test and site to actually do an SSL connection test. This
+	    // is put here for completeness.
+	    case QAbstractSocket::SocketError::SslHandshakeFailedError:
+	    case QAbstractSocket::SocketError::SslInternalError:
+	    case QAbstractSocket::SocketError::SslInvalidUserDataError:
+		m_results = FAIL;
+
+		// This does not include the common text above on purpose.
+		m_results_tip = "The network is reporting an SSL error. If you also failed or got a warning on your clock test, you "
+			     "should check your clock settings, including your time and time zone. If your clock is ok, please "
+			     "check your computer's network configuration.";
+
+		break;
+
+	    case QAbstractSocket::SocketError::TemporaryError:
+	    case QAbstractSocket::SocketError::UnknownSocketError:
+		m_results = FAIL;
+
+		// This does not include the common text above on purpose.
+		m_results_tip = "The network is reporting an unspecified socket error. If you also are failing the connection test, "
+			     "then please check your computer's network configuration.";
+	    }
+
+
+		return;
+}
+
+void VerifyTCPPort::TCPFinished(){
+	m_tcpSocket->close();
+	m_results = PASS;
+	return;
+}
+