From c9aeb8896ae578515c217b9a08988156b4d62f1e Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Thu, 26 Mar 2015 09:44:00 +0100
Subject: Resource crashhandler and logging facilities.

---
 common/CMakeLists.txt     |  1 +
 common/log.cpp            | 70 +++++++++++++++++++++++++++++++++++++++++++++++
 common/log.h              | 17 ++++++++++++
 common/resourceaccess.cpp |  5 ++--
 4 files changed, 90 insertions(+), 3 deletions(-)
 create mode 100644 common/log.cpp
 create mode 100644 common/log.h

(limited to 'common')

diff --git a/common/CMakeLists.txt b/common/CMakeLists.txt
index 429bad7..656f987 100644
--- a/common/CMakeLists.txt
+++ b/common/CMakeLists.txt
@@ -23,6 +23,7 @@ else (STORAGE_unqlite)
 endif (STORAGE_unqlite)
 
 set(command_SRCS
+    log.cpp
     entitybuffer.cpp
     clientapi.cpp
     commands.cpp
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;
+}
diff --git a/common/log.h b/common/log.h
new file mode 100644
index 0000000..8d3dc75
--- /dev/null
+++ b/common/log.h
@@ -0,0 +1,17 @@
+#pragma once
+
+#include <QDebug>
+
+enum DebugLevel {
+    Trace,
+    Log,
+    Warning,
+    Error
+};
+
+QDebug debugStream(DebugLevel debugLevel, int line, const char* file, const char* function);
+
+#define Trace() debugStream(DebugLevel::Trace, __LINE__, __FILE__, Q_FUNC_INFO)
+#define Log() debugStream(DebugLevel::Log, __LINE__, __FILE__, Q_FUNC_INFO)
+#define Warning() debugStream(DebugLevel::Warning, __LINE__, __FILE__, Q_FUNC_INFO)
+#define Error() debugStream(DebugLevel::Error, __LINE__, __FILE__, Q_FUNC_INFO)
diff --git a/common/resourceaccess.cpp b/common/resourceaccess.cpp
index ffe716b..59cbece 100644
--- a/common/resourceaccess.cpp
+++ b/common/resourceaccess.cpp
@@ -20,12 +20,12 @@
 
 #include "resourceaccess.h"
 
-#include "common/console.h"
 #include "common/commands.h"
 #include "common/commandcompletion_generated.h"
 #include "common/handshake_generated.h"
 #include "common/revisionupdate_generated.h"
 #include "common/synchronize_generated.h"
+#include "log.h"
 
 #include <QCoreApplication>
 #include <QDebug>
@@ -343,8 +343,7 @@ void ResourceAccess::callCallbacks(int id)
 
 void ResourceAccess::log(const QString &message)
 {
-    qDebug() << d->resourceName + ": " + message;
-    // Console::main()->log(d->resourceName + ": " + message);
+    Log() << d->resourceName + ": " + message;
 }
 
 }
-- 
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