1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "remoting/host/host_event_logger.h"
6
7 #include "base/memory/scoped_ptr.h"
8 #include "base/memory/weak_ptr.h"
9 #include "base/strings/stringprintf.h"
10 #include "net/base/ip_endpoint.h"
11 #include "remoting/host/host_status_monitor.h"
12 #include "remoting/host/host_status_observer.h"
13 #include "remoting/protocol/transport.h"
14
15 // Included here, since the #define for LOG_USER in syslog.h conflicts with the
16 // constants in base/logging.h, and this source file should use the version in
17 // syslog.h.
18 #include <syslog.h>
19
20 namespace remoting {
21
22 namespace {
23
24 class HostEventLoggerPosix : public HostEventLogger, public HostStatusObserver {
25 public:
26 HostEventLoggerPosix(base::WeakPtr<HostStatusMonitor> monitor,
27 const std::string& application_name);
28
29 virtual ~HostEventLoggerPosix();
30
31 // HostStatusObserver implementation. These methods will be called from the
32 // network thread.
33 virtual void OnClientAuthenticated(const std::string& jid) OVERRIDE;
34 virtual void OnClientDisconnected(const std::string& jid) OVERRIDE;
35 virtual void OnAccessDenied(const std::string& jid) OVERRIDE;
36 virtual void OnClientRouteChange(
37 const std::string& jid,
38 const std::string& channel_name,
39 const protocol::TransportRoute& route) OVERRIDE;
40 virtual void OnStart(const std::string& xmpp_login) OVERRIDE;
41 virtual void OnShutdown() OVERRIDE;
42
43 private:
44 void Log(const std::string& message);
45
46 base::WeakPtr<HostStatusMonitor> monitor_;
47 std::string application_name_;
48
49 DISALLOW_COPY_AND_ASSIGN(HostEventLoggerPosix);
50 };
51
52 } //namespace
53
HostEventLoggerPosix(base::WeakPtr<HostStatusMonitor> monitor,const std::string & application_name)54 HostEventLoggerPosix::HostEventLoggerPosix(
55 base::WeakPtr<HostStatusMonitor> monitor,
56 const std::string& application_name)
57 : monitor_(monitor),
58 application_name_(application_name) {
59 openlog(application_name_.c_str(), 0, LOG_USER);
60 monitor_->AddStatusObserver(this);
61 }
62
~HostEventLoggerPosix()63 HostEventLoggerPosix::~HostEventLoggerPosix() {
64 if (monitor_.get())
65 monitor_->RemoveStatusObserver(this);
66 closelog();
67 }
68
OnClientAuthenticated(const std::string & jid)69 void HostEventLoggerPosix::OnClientAuthenticated(const std::string& jid) {
70 Log("Client connected: " + jid);
71 }
72
OnClientDisconnected(const std::string & jid)73 void HostEventLoggerPosix::OnClientDisconnected(const std::string& jid) {
74 Log("Client disconnected: " + jid);
75 }
76
OnAccessDenied(const std::string & jid)77 void HostEventLoggerPosix::OnAccessDenied(const std::string& jid) {
78 Log("Access denied for client: " + jid);
79 }
80
OnClientRouteChange(const std::string & jid,const std::string & channel_name,const protocol::TransportRoute & route)81 void HostEventLoggerPosix::OnClientRouteChange(
82 const std::string& jid,
83 const std::string& channel_name,
84 const protocol::TransportRoute& route) {
85 Log(base::StringPrintf(
86 "Channel IP for client: %s ip='%s' host_ip='%s' channel='%s' "
87 "connection='%s'",
88 jid.c_str(), route.remote_address.ToString().c_str(),
89 route.local_address.ToString().c_str(), channel_name.c_str(),
90 protocol::TransportRoute::GetTypeString(route.type).c_str()));
91 }
92
OnShutdown()93 void HostEventLoggerPosix::OnShutdown() {
94 // TODO(rmsousa): Fix host shutdown to actually call this, and add a log line.
95 }
96
OnStart(const std::string & xmpp_login)97 void HostEventLoggerPosix::OnStart(const std::string& xmpp_login) {
98 Log("Host started for user: " + xmpp_login);
99 }
100
Log(const std::string & message)101 void HostEventLoggerPosix::Log(const std::string& message) {
102 syslog(LOG_USER | LOG_NOTICE, "%s", message.c_str());
103 }
104
105 // static
Create(base::WeakPtr<HostStatusMonitor> monitor,const std::string & application_name)106 scoped_ptr<HostEventLogger> HostEventLogger::Create(
107 base::WeakPtr<HostStatusMonitor> monitor,
108 const std::string& application_name) {
109 return scoped_ptr<HostEventLogger>(
110 new HostEventLoggerPosix(monitor, application_name));
111 }
112
113 } // namespace remoting
114