log qt/qml to easylogging, add --log-file cmdline option

1 files changed, 49 insertions, 0 deletions

diff --git a/Logger.cpp b/Logger.cpp
new file mode 100644
index 00000000..660bafcc
--- /dev/null
+++ b/Logger.cpp
@@ -0,0 +1,49 @@
+#include <QCoreApplication>
+#include <QStandardPaths>
+#include <QFileInfo>
+#include <QString>
+
+#include "Logger.h"
+#include "wallet/api/wallet2_api.h"
+
+// default log path by OS (should be writable)
+static const QString default_name = "monero-wallet-gui.log";
+#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)
+    static const QString osPath = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation).at(0);
+#elif defined(Q_OS_WIN)
+    static const QString osPath = QCoreApplication::applicationDirPath();
+#elif defined(Q_OS_MAC)
+    static const QString osPath = QStandardPaths::standardLocations(QStandardPaths::HomeLocation).at(0) + "/Library/Logs";
+#else // linux + bsd
+    static const QString osPath = QStandardPaths::standardLocations(QStandardPaths::HomeLocation).at(0);
+#endif
+
+
+// return the absolute path of the logfile
+const QString getLogPath(const QString logPath)
+{
+    const QFileInfo fi(logPath);
+
+    if(!logPath.isEmpty() && !fi.isDir())
+        return fi.absoluteFilePath();
+    else
+        return osPath + "/" + default_name;
+}
+
+
+// custom messageHandler that foward all messages to easylogging
+void messageHandler(QtMsgType type, const QMessageLogContext &context, const QString &message)
+{
+    (void) context; // context isn't used in release builds
+    const std::string cat = "frontend"; // category displayed in the log
+    const std::string msg = message.toStdString();
+    switch(type)
+    {
+        case QtDebugMsg: Monero::Wallet::debug(cat, msg); break;
+        case QtInfoMsg: Monero::Wallet::info(cat, msg); break;
+        case QtWarningMsg: Monero::Wallet::warning(cat, msg); break;
+        case QtCriticalMsg: Monero::Wallet::error(cat, msg); break;
+        case QtFatalMsg: Monero::Wallet::error(cat, msg); break;
+    }
+}
+