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comparison mde/Init.d @ 18:56a42ec95024

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Changes to Init and logging. Moved an Init function; hence events now depends on Init rather than vice-versa. Paths and logging set up by Init's static this(). Logging location set at compile time. committer: Diggory Hardy <diggory.hardy@gmail.com>
author Diggory Hardy <diggory.hardy@gmail.com>
date Tue, 18 Mar 2008 17:51:52 +0000
parents 5f90774ea1ef
children db0b48f02b69
comparison
equal deleted inserted replaced
17:5f90774ea1ef 18:56a42ec95024
14 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ 14 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
15 15
16 /************************************************************************************************** 16 /**************************************************************************************************
17 * Initialisation setup and exit cleanup module. 17 * Initialisation setup and exit cleanup module.
18 * 18 *
19 * This module controls most of the initialisation and deinitialisation of the program. 19 * This module provides an infrastructure for handling much of the initialisation and
20 * deinitialisation of the program. It does not, however, provide much of the (de)initialisation
21 * code; with the exception of that for the logger.
20 *************************************************************************************************/ 22 *************************************************************************************************/
21 module mde.Init; 23 module mde.Init;
22 24
23 import mde.exception; 25 import mde.exception;
24
25 import mde.options; 26 import mde.options;
26 import mde.events; 27 import paths = mde.resource.paths;
27 import global = mde.global;
28 import mde.input.input;
29 28
30 // tango imports 29 // tango imports
31 import tango.core.Thread; 30 import tango.core.Thread;
32 import tango.core.Exception; 31 import tango.core.Exception;
33 import tango.util.log.Log : Log, Logger; 32 import tango.util.log.Log : Log, Logger;
34 import tango.util.log.ConsoleAppender : ConsoleAppender; 33 import tango.util.log.ConsoleAppender : ConsoleAppender;
34 import tango.util.log.SwitchingFileAppender : SwitchingFileAppender;
35 import tango.stdc.stringz : fromStringz; 35 import tango.stdc.stringz : fromStringz;
36 36
37 /** 37 /**
38 * Static CTOR 38 * Static CTOR
39 * 39 *
40 * This should handle a minimal amount of functionality where useful. For instance, configuring the 40 * This should handle a minimal amount of functionality where useful. For instance, configuring the
41 * logger here and not in Init allows unittests to use the logger. 41 * logger here and not in Init allows unittests to use the logger.
42 */ 42 */
43 static this() 43 static this()
44 { 44 {
45 version (mdeTest) {} // test.mdeTest sets up its own root logger 45 // Find/create paths:
46 try {
47 paths.resolvePaths();
48 } catch (Exception e) {
49 throw new InitException ("Resolving paths failed: " ~ e.msg);
50 }
51
52 // Set up the logger:
53 version (mdeTest) {} // test.mdeTest sets up its own root logger
46 else { 54 else {
47 // For now, just log to the console: 55 // Where logging is done to is determined at compile-time, currently just via static ifs.
48 Logger root = Log.getRootLogger(); 56 Logger root = Log.getRootLogger();
49 root.addAppender(new ConsoleAppender); 57
58 static if (true ) { // Log to the console
59 root.addAppender(new ConsoleAppender);
60 }
61 static if (true ) { // Log to files
62 // Use 2 log files with a maximum size of 1 MB:
63 root.addAppender (new SwitchingFileAppender (paths.logDir~"/log-.txt", 5));
64 }
50 65
51 // Set the level here, but set it again once options have been loaded: 66 // Set the level here, but set it again once options have been loaded:
52 debug root.setLevel(root.Level.Trace); 67 debug root.setLevel(root.Level.Trace);
53 else root.setLevel(root.Level.Info); 68 else root.setLevel(root.Level.Info);
54 } 69 }
55
56 Init.addFunc (&miscInit);
57 } 70 }
58 static ~this() 71 static ~this()
59 { 72 {
60 } 73 }
61 74
87 * must not run where the initialisation functions have failed. 100 * must not run where the initialisation functions have failed.
88 * Hence a list of clean-up functions is built similarly to scope(failure) --- see addCleanupFct. 101 * Hence a list of clean-up functions is built similarly to scope(failure) --- see addCleanupFct.
89 */ 102 */
90 this() 103 this()
91 { 104 {
92
93 logger.info ("Init: starting"); 105 logger.info ("Init: starting");
106
94 //BEGIN Pre-init (loading options) 107 //BEGIN Pre-init (loading options)
95 // Load options FIRST. Should be fast, most work is probably disk access, 108 /* Load options now. Don't load in a thread since:
96 // and it's a really good idea to let the options apply to all other loading. 109 * Loading should be fast
110 * Most work is probably disk access
111 * It's a really good idea to let the options apply to all other loading. */
97 try { 112 try {
98 Options.load(); 113 Options.load();
99 } catch (optionsLoadException e) { 114 } catch (optionsLoadException e) {
100 throw new InitException ("Loading options failed; message: " ~ e.msg); 115 throw new InitException ("Loading options failed; message: " ~ e.msg);
101 } 116 }
102 addCleanupFct (&Options.save); // not strictly cleanup, but needs to be called somewhere 117 addCleanupFct (&Options.save); // not strictly cleanup, but needs to be called somewhere
103 118
119 // Now re-set the logging level:
104 Log.getRootLogger.setLevel (cast(Log.Level) Options.misc.logLevel, true); // set the stored log level 120 Log.getRootLogger.setLevel (cast(Log.Level) Options.misc.logLevel, true); // set the stored log level
105 //END Pre-init 121 //END Pre-init
106 122
107 123
108 //BEGIN Init (actual function calling) 124 //BEGIN Init (actual function calling)
238 assert (!initialised); 254 assert (!initialised);
239 255
240 logger.info ("Unittest complete."); 256 logger.info ("Unittest complete.");
241 } 257 }
242 } 258 }
243
244 void miscInit () {
245 /* Some miscellaneous short calls.
246 *
247 * Was executed in the main loop, but for the sake of simplicity use another thread.
248 */
249 try {
250 global.input = new Input();
251 global.input.loadConfig (); // (may also create instance)
252
253 addEventsSchedule ();
254 } catch (Exception e) {
255 init.setFailure (); // must clean up properly
256 }
257 }