From d46257f670320a0e6737956148396163e95def98 Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Fri, 28 Apr 2017 02:24:29 +0200
Subject: [PATCH] Ref T42, util function to create network report

---
 src/blackmisc/network/networkutils.cpp | 55 +++++++++++++++++++++++++-
 src/blackmisc/network/networkutils.h   | 14 ++++++-
 2 files changed, 67 insertions(+), 2 deletions(-)

diff --git a/src/blackmisc/network/networkutils.cpp b/src/blackmisc/network/networkutils.cpp
index 9ae87bec3..0ed306c28 100644
--- a/src/blackmisc/network/networkutils.cpp
+++ b/src/blackmisc/network/networkutils.cpp
@@ -7,12 +7,14 @@
  * contained in the LICENSE file.
  */
 
-#include "blackmisc/eventloop.h"
 #include "blackmisc/network/networkutils.h"
 #include "blackmisc/network/server.h"
+#include "blackmisc/eventloop.h"
+#include "blackmisc/stringutils.h"
 #include "blackconfig/buildconfig.h"
 #include <QAbstractSocket>
 #include <QDateTime>
+#include <QMetaEnum>
 #include <QDebug>
 #include <QHostAddress>
 #include <QJsonDocument>
@@ -21,6 +23,7 @@
 #include <QNetworkAddressEntry>
 #include <QNetworkInterface>
 #include <QNetworkReply>
+#include <QNetworkConfiguration>
 #include <QObject>
 #include <QSignalMapper>
 #include <QSslCertificate>
@@ -50,6 +53,11 @@ namespace BlackMisc
             return 3000;
         }
 
+        int CNetworkUtils::getLongTimeoutMs()
+        {
+            return 3 * getTimeoutMs();
+        }
+
         bool CNetworkUtils::canPing(const QString &hostAddress)
         {
             if (hostAddress.isEmpty()) { return false; }
@@ -341,5 +349,50 @@ namespace BlackMisc
             static const QRegularExpression regEx("<[^>]*>");
             return phpError.remove(regEx);
         }
+
+        CStatusMessageList CNetworkUtils::createNetworkReport(const QNetworkAccessManager *am)
+        {
+            return CNetworkUtils::createNetworkReport(CUrl(), am);
+        }
+
+        CStatusMessageList CNetworkUtils::createNetworkReport(const CUrl &url, const QNetworkAccessManager *am)
+        {
+            static const CLogCategoryList cats({CLogCategory::network()});
+            CStatusMessageList msgs;
+
+            if (!url.isEmpty())
+            {
+                const QString host = url.getHost();
+                const bool canPing = CNetworkUtils::canPing(host);
+                const CStatusMessage ping(cats, canPing ? CStatusMessage::SeverityInfo : CStatusMessage::SeverityError, "Host: " + host + " ping: " + boolToYesNo(canPing));
+                msgs.push_back(ping);
+
+                QString msg;
+                const bool canConnect = CNetworkUtils::canConnect(url, msg, getTimeoutMs() * 2);
+                if (canConnect)
+                {
+                    msgs.push_back(CStatusMessage(cats, CStatusMessage::SeverityInfo, "Can connect to " + url.getFullUrl()));
+                }
+                else
+                {
+                    msgs.push_back(CStatusMessage(cats, CStatusMessage::SeverityError, "Cannot connect to " + url.getFullUrl() + " msg: " + msg));
+                }
+            }
+
+            if (am)
+            {
+                const bool accessible = am->networkAccessible() == QNetworkAccessManager::Accessible;
+                const QNetworkConfiguration c = am->configuration();
+                static const QMetaEnum enumAccessible = QMetaEnum::fromType<QNetworkAccessManager::NetworkAccessibility>();
+
+                const QString msg = QString("Accessible: %1 (%2) bearer: %3 %4").arg(
+                                        boolToYesNo(accessible),
+                                        enumAccessible.valueToKey(am->networkAccessible()),
+                                        c.bearerTypeName(), c.identifier());
+                msgs.push_back(CStatusMessage(cats, accessible ? CStatusMessage::SeverityInfo : CStatusMessage::SeverityError, msg));
+            }
+
+            return msgs;
+        }
     } // namespace
 } // namespace
diff --git a/src/blackmisc/network/networkutils.h b/src/blackmisc/network/networkutils.h
index d5469e9ec..0a76a3135 100644
--- a/src/blackmisc/network/networkutils.h
+++ b/src/blackmisc/network/networkutils.h
@@ -12,10 +12,12 @@
 #ifndef BLACKMISC_NETWORKUTILS_H
 #define BLACKMISC_NETWORKUTILS_H
 
-#include "blackmisc/blackmiscexport.h"
 #include "blackmisc/network/urllist.h"
+#include "blackmisc/blackmiscexport.h"
+#include "blackmisc/statusmessagelist.h"
 
 #include <QNetworkRequest>
+#include <QNetworkAccessManager>
 #include <QString>
 #include <QStringList>
 #include <QtGlobal>
@@ -46,6 +48,9 @@ namespace BlackMisc
             //! Default for timeout
             static int getTimeoutMs();
 
+            //! Default for timeout (long)
+            static int getLongTimeoutMs();
+
             //! Can ping the address?
             //! \note uses OS ping
             static bool canPing(const QString &hostAddress);
@@ -137,6 +142,13 @@ namespace BlackMisc
             //! Remove the HTML formatting from a PHP error message
             static QString removeHtmlPartsFromPhpErrorMessage(const QString &errorMessage);
 
+            //! Status about network
+            static BlackMisc::CStatusMessageList createNetworkReport(const QNetworkAccessManager *am);
+
+            //! Status about network, can be used when an URL fails to resolve issues
+            //! \remark that can take a moment to complete, as it checks network
+            static BlackMisc::CStatusMessageList createNetworkReport(const CUrl &url, const QNetworkAccessManager *am = nullptr);
+
         private:
             //! Hidden constructor
             CNetworkUtils() {}