Pull out common code from client and host versions of ServerLogEntry.

remoting/client/server_log_entry.cc

-// Copyright 2014 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/client/server_log_entry.h"
-
-#include "base/logging.h"
-#include "base/macros.h"
-#include "base/rand_util.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/stringize_macros.h"
-#include "base/strings/stringprintf.h"
-#include "base/sys_info.h"
-#include "remoting/base/constants.h"
-#include "remoting/client/chromoting_stats.h"
-#include "remoting/protocol/connection_to_host.h"
-#include "remoting/protocol/errors.h"
-#include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
-
-using base::StringPrintf;
-using base::SysInfo;
-using buzz::QName;
-using buzz::XmlElement;
-using remoting::protocol::ConnectionToHost;
-
-namespace remoting {
-
-namespace client {
-
-namespace {
-const char kLogCommand[] = "log";
-
-const char kLogEntry[] = "entry";
-
-const char kKeyEventName[] = "event-name";
-const char kValueEventNameSessionState[] = "session-state";
-const char kValueEventNameStatistics[] = "connection-statistics";
-const char kValueEventNameSessionIdOld[] = "session-id-old";
-const char kValueEventNameSessionIdNew[] = "session-id-new";
-
-const char kKeyRole[] = "role";
-const char kValueRoleClient[] = "client";
-
-const char kKeyMode[] = "mode";
-const char kValueModeIt2Me[] = "it2me";
-const char kValueModeMe2Me[] = "me2me";
-
-const char kKeySessionState[] = "session-state";
-const char kValueSessionStateConnected[] = "connected";
-const char kValueSessionStateClosed[] = "closed";
-
-const char kKeyOsName[] = "os-name";
-const char kKeyOsVersion[] = "os-version";
-const char kKeyAppVersion[] = "app-version";
-
-const char kKeyCpu[] = "cpu";
-
-}  // namespace
-
-ServerLogEntry::ServerLogEntry() {
-}
-
-ServerLogEntry::~ServerLogEntry() {
-}
-
-// static
-scoped_ptr<buzz::XmlElement> ServerLogEntry::MakeStanza() {
-  return scoped_ptr<buzz::XmlElement>(
-      new XmlElement(QName(kChromotingXmlNamespace, kLogCommand)));
-}
-
-// static
-scoped_ptr<ServerLogEntry> ServerLogEntry::MakeForSessionStateChange(
-    protocol::ConnectionToHost::State state,
-    protocol::ErrorCode error) {
-  scoped_ptr<ServerLogEntry> entry(new ServerLogEntry());
-  entry->Set(kKeyRole, kValueRoleClient);
-  entry->Set(kKeyEventName, kValueEventNameSessionState);
-
-  entry->Set(kKeySessionState, GetValueSessionState(state));
-  if (error != protocol::OK) {
-    entry->Set("connection-error", GetValueError(error));
-  }
-
-  return entry.Pass();
-}
-
-// static
-scoped_ptr<ServerLogEntry> ServerLogEntry::MakeForStatistics(
-    ChromotingStats* statistics) {
-  scoped_ptr<ServerLogEntry> entry(new ServerLogEntry());
-  entry->Set(kKeyRole, kValueRoleClient);
-  entry->Set(kKeyEventName, kValueEventNameStatistics);
-
-  entry->Set("video-bandwidth",
-             StringPrintf("%.2f", statistics->video_bandwidth()->Rate()));
-  entry->Set("capture-latency",
-             StringPrintf("%.2f", statistics->video_capture_ms()->Average()));
-  entry->Set("encode-latency",
-             StringPrintf("%.2f", statistics->video_encode_ms()->Average()));
-  entry->Set("decode-latency",
-             StringPrintf("%.2f", statistics->video_decode_ms()->Average()));
-  entry->Set("render-latency",
-             StringPrintf("%.2f", statistics->video_frame_rate()->Rate()));
-  entry->Set("roundtrip-latency",
-             StringPrintf("%.2f", statistics->round_trip_ms()->Average()));
-
-  return entry.Pass();
-}
-
-// static
-scoped_ptr<ServerLogEntry> ServerLogEntry::MakeForSessionIdOld(
-    const std::string& session_id) {
-  scoped_ptr<ServerLogEntry> entry(new ServerLogEntry());
-  entry->Set(kKeyRole, kValueRoleClient);
-  entry->Set(kKeyEventName, kValueEventNameSessionIdOld);
-  entry->AddSessionId(session_id);
-  return entry.Pass();
-}
-
-// static
-scoped_ptr<ServerLogEntry> ServerLogEntry::MakeForSessionIdNew(
-    const std::string& session_id) {
-  scoped_ptr<ServerLogEntry> entry(new ServerLogEntry());
-  entry->Set(kKeyRole, kValueRoleClient);
-  entry->Set(kKeyEventName, kValueEventNameSessionIdNew);
-  entry->AddSessionId(session_id);
-  return entry.Pass();
-}
-
-void ServerLogEntry::AddClientFields() {
-  Set(kKeyOsName, SysInfo::OperatingSystemName());
-  Set(kKeyOsVersion, SysInfo::OperatingSystemVersion());
-  Set(kKeyAppVersion, STRINGIZE(VERSION));
-  Set(kKeyCpu, SysInfo::OperatingSystemArchitecture());
-};
-
-void ServerLogEntry::AddModeField(ServerLogEntry::Mode mode) {
-  Set(kKeyMode, GetValueMode(mode));
-}
-
-void ServerLogEntry::AddSessionId(const std::string& session_id) {
-  Set("session-id", session_id);
-}
-
-void ServerLogEntry::AddSessionDuration(base::TimeDelta duration) {
-  Set("session-duration", base::Int64ToString(duration.InSeconds()));
-}
-
-// static
-const char* ServerLogEntry::GetValueMode(ServerLogEntry::Mode mode) {
-  switch (mode) {
-    case IT2ME:
-      return kValueModeIt2Me;
-    case ME2ME:
-      return kValueModeMe2Me;
-    default:
-      NOTREACHED();
-      return NULL;
-  }
-}
-
-scoped_ptr<XmlElement> ServerLogEntry::ToStanza() const {
-  scoped_ptr<XmlElement> stanza(new XmlElement(QName(
-      kChromotingXmlNamespace, kLogEntry)));
-  ValuesMap::const_iterator iter;
-  for (iter = values_map_.begin(); iter != values_map_.end(); ++iter) {
-    stanza->AddAttr(QName(std::string(), iter->first), iter->second);
-  }
-  return stanza.Pass();
-}
-
-// static
-const char* ServerLogEntry::GetValueSessionState(
-    ConnectionToHost::State state) {
-  switch (state) {
-    // Where possible, these are the same strings that the webapp sends for the
-    // corresponding state - see remoting/webapp/server_log_entry.js.
-    case ConnectionToHost::INITIALIZING:
-      return "initializing";
-    case ConnectionToHost::CONNECTING:
-      return "connecting";
-    case ConnectionToHost::AUTHENTICATED:
-      return "authenticated";
-    case ConnectionToHost::CONNECTED:
-      return kValueSessionStateConnected;
-    case ConnectionToHost::FAILED:
-      return "connection-failed";
-    case ConnectionToHost::CLOSED:
-      return kValueSessionStateClosed;
-    default:
-      NOTREACHED();
-      return NULL;
-  }
-}
-
-// static
-const char* ServerLogEntry::GetValueError(protocol::ErrorCode error) {
-  switch (error) {
-    // Where possible, these are the same strings that the webapp sends for the
-    // corresponding error - see remoting/webapp/server_log_entry.js.
-    case protocol::OK:
-      return "none";
-    case protocol::PEER_IS_OFFLINE:
-      return "host-is-offline";
-    case protocol::SESSION_REJECTED:
-      return "session-rejected";
-    case protocol::INCOMPATIBLE_PROTOCOL:
-      return "incompatible-protocol";
-    case protocol::AUTHENTICATION_FAILED:
-      return "authentication-failed";
-    case protocol::CHANNEL_CONNECTION_ERROR:
-      return "channel-connection-error";
-    case protocol::SIGNALING_ERROR:
-      return "signaling-error";
-    case protocol::SIGNALING_TIMEOUT:
-      return "signaling-timeout";
-    case protocol::HOST_OVERLOAD:
-      return "host-overload";
-    case protocol::UNKNOWN_ERROR:
-      return "unknown-error";
-    default:
-      NOTREACHED();
-      return NULL;
-  }
-}
-
-void ServerLogEntry::AddEventName(const std::string& event_name) {
-  Set("event-name", event_name);
-}
-
-void ServerLogEntry::Set(const std::string& key, const std::string& value) {
-  values_map_[key] = value;
-}
-
-}  // namespace client
-
-}  // namespace remoting