log

log.cpp

@@ -0,0 +1,42 @@
+/*
+ * log.cpp
+ *
+ *  Created on: 27.03.2013
+ *      Author: wn
+ */
+
+#include <syslog.h>
+#include <iostream>
+#include "log.hpp"
+
+Log::Log(std::string ident, int facility) {
+    facility_ = facility;
+    priority_ = LOG_DEBUG;
+    strncpy(ident_, ident.c_str(), sizeof(ident_));
+    ident_[sizeof(ident_)-1] = '\0';
+
+    openlog(ident_, LOG_PID, facility_);
+}
+
+int Log::sync() {
+    if (buffer_.length()) {
+        syslog(priority_, "%s", buffer_.c_str());
+        buffer_.erase();
+        priority_ = LOG_DEBUG; // default to debug for each message
+    }
+    return 0;
+}
+
+int Log::overflow(int c) {
+    if (c != EOF) {
+        buffer_ += static_cast<char>(c);
+    } else {
+        sync();
+    }
+    return c;
+}
+
+std::ostream& operator<< (std::ostream& os, const LogPriority& log_priority) {
+    static_cast<Log *>(os.rdbuf())->priority_ = (int)log_priority;
+    return os;
+}