Log Gaia response codes to ease diagnostics of networking issues.

remoting/host/vlog_net_log.h

Index: remoting/host/vlog_net_log.h
diff --git a/remoting/host/vlog_net_log.h b/remoting/host/vlog_net_log.h
new file mode 100644
index 0000000000000000000000000000000000000000..eae349bb05e10567fced90adba36770b6b0b582f
--- /dev/null
+++ b/remoting/host/vlog_net_log.h
@@ -0,0 +1,44 @@
+// Copyright (c) 2012 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_HOST_VLOG_NET_LOG_H_
+#define REMOTING_HOST_VLOG_NET_LOG_H_
+
+#include "base/memory/scoped_handle.h"
+#include "net/base/net_log.h"
+
+namespace remoting {
+
+// Redirectes all networking events (i.e. events logged through net::NetLog) to
+// VLOG(4). Note that an explicit reference to a net::NetLog object has to be
+// passed to networking classes to receive the events. There is no global
+// network events logger exists.
+class VlogNetLog : public net::NetLog {
+ public:
+  VlogNetLog();
+  virtual ~VlogNetLog();
+
+  // NetLog overrides:
+  virtual void AddEntry(
+      EventType type,
+      const Source& source,
+      EventPhase phase,
+      const scoped_refptr<NetLog::EventParameters>& params) OVERRIDE;
+  virtual uint32 NextID() OVERRIDE;
+  virtual LogLevel GetLogLevel() const OVERRIDE;
+  virtual void AddThreadSafeObserver(ThreadSafeObserver* observer,
+                                     LogLevel log_level) OVERRIDE;
+  virtual void SetObserverLogLevel(ThreadSafeObserver* observer,
+                                   LogLevel log_level) OVERRIDE;
+  virtual void RemoveThreadSafeObserver(ThreadSafeObserver* observer) OVERRIDE;
+
+ private:
+  uint32 id_;
+
+  DISALLOW_COPY_AND_ASSIGN(VlogNetLog);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_VLOG_NET_LOG_H_