Conenct Chromoting plugin debug log to JS UI.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/7262015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@91779 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 84 insertions, 0 deletions

diff --git a/remoting/base/logger.cc b/remoting/base/logger.cc
new file mode 100644
index 0000000..f4def7b
--- /dev/null
+++ b/remoting/base/logger.cc
@@ -0,0 +1,50 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "remoting/base/logger.h"
+
+#include <stdarg.h>  // va_list
+
+#include "base/stringprintf.h"
+
+namespace remoting {
+
+// Copied from base/logging.cc.
+const char* const Logger::log_severity_names[logging::LOG_NUM_SEVERITIES] = {
+  "INFO", "WARNING", "ERROR", "ERROR_REPORT", "FATAL" };
+
+Logger::Logger() {
+}
+
+Logger::~Logger() {
+}
+
+void Logger::Log(logging::LogSeverity severity, const char* format, ...) {
+  va_list ap;
+  va_start(ap, format);
+  va_Log(severity, format, ap);
+  va_end(ap);
+}
+
+void Logger::VLog(int verboselevel, const char* format, ...) {
+  va_list ap;
+  va_start(ap, format);
+  va_VLog(verboselevel, format, ap);
+  va_end(ap);
+}
+
+void Logger::va_Log(logging::LogSeverity severity,
+                          const char* format, va_list ap) {
+  std::string message;
+  base::StringAppendV(&message, format, ap);
+  logging::LogMessage(__FILE__, __LINE__, severity).stream() << message;
+}
+
+void Logger::va_VLog(int verboselevel, const char* format, va_list ap) {
+  std::string message;
+  base::StringAppendV(&message, format, ap);
+  VLOG(verboselevel) << message;
+}
+
+}  // namespace remoting
diff --git a/remoting/base/logger.h b/remoting/base/logger.h
new file mode 100644
index 0000000..1022e4f
--- /dev/null
+++ b/remoting/base/logger.h
@@ -0,0 +1,34 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef REMOTING_BASE_LOGGER_H_
+#define REMOTING_BASE_LOGGER_H_
+
+#include "base/basictypes.h"
+#include "base/logging.h"
+
+namespace remoting {
+
+class Logger {
+ public:
+  Logger();
+  virtual ~Logger();
+
+  void Log(logging::LogSeverity severity, const char* format, ...);
+  void VLog(int verboselevel, const char* format, ...);
+
+  virtual void va_Log(logging::LogSeverity severity,
+                      const char* format, va_list ap);
+  virtual void va_VLog(int verboselevel, const char* format, va_list ap);
+
+ protected:
+  static const char* const log_severity_names[];
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(Logger);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_BASE_LOGGER_H_