aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Framework/Servers/BaseOpenSimServer.cs
blob: dfc9c0a2b92fcefda85c9fd0de249101902b2d76 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the OpenSim Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

using System;
using System.IO;
using System.Reflection;
using log4net;
using OpenSim.Framework.Console;
using OpenSim.Framework.Statistics;

namespace OpenSim.Framework.Servers
{
    /// <summary>
    /// Common base for the main OpenSimServers (user, grid, inventory, region, etc)
    /// </summary>
    public abstract class BaseOpenSimServer
    {
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
        
        protected ConsoleBase m_console;
        
        /// <summary>
        /// Time at which this server was started
        /// </summary>
        protected DateTime m_startuptime;
                
        /// <summary>
        /// Server version information.  Usually VersionInfo + information about svn revision, operating system, etc.
        /// </summary>
        protected string m_version;

        protected BaseHttpServer m_httpServer;
        public BaseHttpServer HttpServer
        {
            get { return m_httpServer; }
        }

        /// <summary>
        /// Holds the non-viewer statistics collection object for this service/server
        /// </summary>
        protected IStatsCollector m_stats;

        public BaseOpenSimServer()
        {
            m_startuptime = DateTime.Now;            
            m_version = VersionInfo.Version;
        }
        
        /// <summary>
        /// Performs initialisation of the scene, such as loading configuration from disk.
        /// </summary>
        public virtual void Startup()
        {                                
            EnhanceVersionInformation();
            
            m_log.Info("[STARTUP]: Version " + m_version + "\n");
        }

        /// <summary>
        /// Should be overriden by descendents if they need to perform extra shutdown processing
        /// </summary>
        public virtual void Shutdown()
        {
            if (m_console != null)
            {
                m_console.Close();
            }
            
            Environment.Exit(0);
        }

        /// <summary>
        /// Runs commands issued by the server console from the operator
        /// </summary>
        /// <param name="command">The first argument of the parameter (the command)</param>
        /// <param name="cmdparams">Additional arguments passed to the command</param>
        public virtual void RunCmd(string command, string[] cmdparams)
        {
            switch (command)
            {
                case "help":
                    Notice("quit - equivalent to shutdown.");

                    if (m_stats != null)
                        Notice("show stats - statistical information for this server");

                    Notice("show uptime - show server startup and uptime.");
                    Notice("shutdown - shutdown the server.\n");
                   
                    break;

                case "show":
                    if (cmdparams.Length > 0)
                    {
                        Show(cmdparams[0]);
                    }
                    break;

                case "quit":
                case "shutdown":
                    Shutdown();
                    break;
            }
        }

        /// <summary>
        /// Outputs to the console information about the region
        /// </summary>
        /// <param name="ShowWhat">What information to display (valid arguments are "uptime", "users")</param>
        public virtual void Show(string ShowWhat)
        {
            switch (ShowWhat)
            {
                case "stats":
                    if (m_stats != null)
                    {
                        Notice(m_stats.Report());
                    }
                    break;

                case "uptime":
                    Notice("Server has been running since " + m_startuptime.DayOfWeek + ", " + m_startuptime.ToString());
                    Notice("That is an elapsed time of " + (DateTime.Now - m_startuptime).ToString());
                    break;
                
                case "version":
                    m_console.Notice("This is " + m_version);
                    break;                
            }
        }

        /// <summary>
        /// Console output is only possible if a console has been established.
        /// That is something that cannot be determined within this class. So
        /// all attempts to use the console MUST be verified.
        /// </summary>
        private void Notice(string msg)
        {
            if (m_console != null)
            {
                m_console.Notice(msg);
            }
        }

        /// <summary>
        /// Enhance the version string with extra information if it's available.
        /// </summary>
        protected void EnhanceVersionInformation()
        {
            string buildVersion = string.Empty;
            
            // Add subversion revision information if available
            // FIXME: Making an assumption about the directory we're currently in - we do this all over the place
            // elsewhere as well
            string svnFileName = "../.svn/entries";
            string inputLine;
            int strcmp;

            if (File.Exists(svnFileName))
            {
                StreamReader EntriesFile = File.OpenText(svnFileName);
                inputLine = EntriesFile.ReadLine();
                while (inputLine != null)
                {
                    // using the dir svn revision at the top of entries file
                    strcmp = String.Compare(inputLine, "dir");
                    if (strcmp == 0)
                    {
                        buildVersion = EntriesFile.ReadLine();
                        break;
                    }
                    else
                    {
                        inputLine = EntriesFile.ReadLine();
                    }
                }
                EntriesFile.Close();
            }

            if (!string.IsNullOrEmpty(buildVersion))
            {
                m_version += ", SVN build r" + buildVersion;
            }
            else
            {
                m_version += ", SVN build revision not available";
            }

            // Add operating system information if available
            string OSString = "";

            if (System.Environment.OSVersion.Platform != PlatformID.Unix)
            {
                OSString = System.Environment.OSVersion.ToString();
            }
            else
            {
                OSString = Util.ReadEtcIssue();
            }
            if (OSString.Length > 45)
            {
                OSString = OSString.Substring(0, 45);
            }

            m_version += ", OS " + OSString;
        }        
    }
}