From f7d82b20d0f26b200435408a2807900227a2cc47 Mon Sep 17 00:00:00 2001
From: "waterson%netscape.com" <waterson%netscape.com>
Date: Fri, 24 Jul 1998 23:07:58 +0000
Subject: [PATCH] Initial revision.

---
 xpcom/src/nsTiming.cpp | 99 ++++++++++++++++++++++++++++++++++++++++++
 xpcom/src/nsTiming.h   | 45 +++++++++++++++++++
 2 files changed, 144 insertions(+)
 create mode 100644 xpcom/src/nsTiming.cpp
 create mode 100644 xpcom/src/nsTiming.h

diff --git a/xpcom/src/nsTiming.cpp b/xpcom/src/nsTiming.cpp
new file mode 100644
index 000000000000..e8bec1d5f061
--- /dev/null
+++ b/xpcom/src/nsTiming.cpp
@@ -0,0 +1,99 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsTiming.h"
+#include "prprf.h"
+#include "prlog.h"
+#include "prtime.h"
+
+
+static PRLogModuleInfo* gTimingLog   = NULL;
+static const char* gTimingModuleName = "nsTiming";
+
+static inline PRBool
+EnsureLogModule(void)
+{
+    if (gTimingLog == NULL) {
+        if ((gTimingLog = PR_NewLogModule(gTimingModuleName)) != NULL) {
+            // Off to start with
+            gTimingLog->level = PR_LOG_NONE;
+        }
+    }
+
+    return (gTimingLog != NULL) ? PR_TRUE : PR_FALSE;
+}
+
+extern "C" NS_COM void
+TimingWriteMessage(const char* fmtstr, ...)
+{
+    if (! EnsureLogModule())
+        return;
+
+    if (gTimingLog->level == PR_LOG_NONE)
+        return;
+
+    char line[256];
+    va_list ap;
+    va_start(ap, fmtstr);
+
+    PRExplodedTime now;
+    PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &now);
+
+    // Print out "YYYYMMDD.HHMMSS.UUUUUU: "
+    PRUint32 nb = PR_snprintf(line, sizeof(line) - 1,
+                              "%04d%02d%02d.%02d%02d%02d.%06d: ",
+                              now.tm_year, now.tm_month + 1, now.tm_mday,
+                              now.tm_hour, now.tm_min, now.tm_sec,
+                              now.tm_usec);
+
+    // ...followed by the "real" message
+    nb += PR_vsnprintf(line + nb, sizeof(line) - nb - 1, fmtstr, ap);
+
+    PR_LOG(gTimingLog, PR_LOG_NOTICE, (line));
+}
+
+
+extern "C" NS_COM void
+TimingSetEnabled(PRBool enabled)
+{
+    if (! EnsureLogModule())
+        return;
+
+    if (enabled) {
+        if (gTimingLog->level == PR_LOG_NONE) {
+            gTimingLog->level = PR_LOG_NOTICE;
+            TimingWriteMessage("(tracing enabled)");
+        }
+    } else {
+        if (gTimingLog->level != PR_LOG_NONE) {
+            TimingWriteMessage("(tracing disabled)");
+            gTimingLog->level = PR_LOG_NONE;
+        }
+    }
+}
+
+
+extern "C" NS_COM PRBool
+TimingIsEnabled(void)
+{
+    if (! EnsureLogModule())
+        return PR_FALSE;
+
+    return (gTimingLog->level == PR_LOG_NONE) ? PR_FALSE : PR_TRUE;
+}
+
diff --git a/xpcom/src/nsTiming.h b/xpcom/src/nsTiming.h
new file mode 100644
index 000000000000..8d0dac915699
--- /dev/null
+++ b/xpcom/src/nsTiming.h
@@ -0,0 +1,45 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#ifndef nsTiming_h__
+#define nsTiming_h__
+
+#include "nsCom.h"
+#include "prtypes.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+extern NS_COM void
+TimingWriteMessage(const char* fmtstr, ...);
+
+extern NS_COM PRBool
+TimingIsEnabled(void);
+
+extern NS_COM void
+TimingSetEnabled(PRBool enabled);
+
+#if defined(__cplusplus)
+};
+#endif
+
+#define TIMING_MSG(x) TimingWriteMessage x
+
+#endif /* nsTiming_h__ */
+