Resource crashhandler and logging facilities.

1 files changed, 70 insertions, 0 deletions

diff --git a/common/log.cpp b/common/log.cpp
new file mode 100644
index 0000000..1d93404
--- /dev/null
+++ b/common/log.cpp
@@ -0,0 +1,70 @@
+#include "log.h"
+
+#include <QString>
+#include <QIODevice>
+#include <QCoreApplication>
+#include <iostream>
+#include <unistd.h>
+
+class DebugStream: public QIODevice
+{
+public:
+    QString m_location;
+    DebugStream()
+        : QIODevice()
+    {
+        open(WriteOnly);
+    }
+    virtual ~DebugStream(){};
+
+    bool isSequential() const { return true; }
+    qint64 readData(char *, qint64) { return 0; /* eof */ }
+    qint64 readLineData(char *, qint64) { return 0; /* eof */ }
+    qint64 writeData(const char *data, qint64 len)
+    {
+        const QByteArray buf = QByteArray::fromRawData(data, len);
+        // if (!qgetenv("IMAP_TRACE").isEmpty()) {
+            // qt_message_output(QtDebugMsg, buf.trimmed().constData());
+            std::cout << buf.trimmed().constData() << std::endl;
+        // }
+        return len;
+    }
+private:
+    Q_DISABLE_COPY(DebugStream)
+};
+
+QDebug debugStream(DebugLevel debugLevel, int line, const char* file, const char* function)
+{
+    static DebugStream stream;
+    QDebug debug(&stream);
+
+    static QByteArray programName;
+    if (programName.isEmpty()) {
+        if (QCoreApplication::instance())
+            programName = QCoreApplication::instance()->applicationName().toLocal8Bit();
+        else
+            programName = "<unknown program name>";
+    }
+
+    QString prefix;
+    switch (debugLevel) {
+        case DebugLevel::Trace:
+            prefix = "Trace:";
+            break;
+        case DebugLevel::Log:
+            prefix = "Log:";
+            break;
+        case DebugLevel::Warning:
+            prefix = "Warning:";
+            break;
+        case DebugLevel::Error:
+            prefix = "Error:";
+            break;
+        default:
+            break;
+    };
+
+    debug << prefix + QString(" %1(%2) %3:").arg(QString::fromLatin1(programName)).arg(unsigned(getpid())).arg(function) /* << file << ":" << line */;
+
+    return debug;
+}