ltt/branches/poly/lttv/main.c

   1
   2 #include <lttv/hook.h>
   3 #include <lttv/module.h>
   4 #include <lttv/lttv.h>
   5 #include <lttv/iattribute.h>
   6 #include <lttv/attribute.h>
   7 #include <lttv/option.h>
   8 #include <lttv/traceset.h>
   9 #include <ltt/trace.h>
  10 #include <stdio.h>
  11
  12
  13 void lttv_option_init(int argc, char **argv);
  14 void lttv_option_destroy();
  15
  16 void lttv_module_init(int argc, char **argv);
  17 void lttv_module_destroy();
  18
  19 void lttv_state_init(int argc, char **argv);
  20 void lttv_state_destroy();
  21
  22 /* The main program maintains a few central data structures and relies
  23    on modules for the rest. These data structures may be accessed by modules
  24    through an exported API */
  25
  26 static LttvIAttribute *attributes;
  27
  28 static LttvHooks
  29   *before_options,
  30   *after_options,
  31   *before_main,
  32   *after_main;
  33
  34 static char
  35   *a_module,
  36   *a_module_path;
  37
  38 static int a_argc;
  39
  40 static char **a_argv;
  41
  42 static void lttv_module_option(void *hook_data);
  43
  44 static void lttv_module_path_option(void *hook_data);
  45
  46 static void lttv_help(void);
  47
  48 /* Since everything is done in modules, the main program only takes care
  49    of the infrastructure. */
  50
  51 int main(int argc, char **argv) {
  52
  53   LttvAttributeValue value;
  54
  55 #ifdef MEMDEBUG
  56   g_mem_set_vtable(glib_mem_profiler_table);
  57   g_message("Memory summary before main");
  58   g_mem_profile();
  59 #endif
  60
  61   g_type_init();
  62   //g_type_init_with_debug_flags (G_TYPE_DEBUG_OBJECTS | G_TYPE_DEBUG_SIGNALS);
  63
  64   attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
  65
  66   before_options = lttv_hooks_new();
  67   after_options = lttv_hooks_new();
  68   before_main = lttv_hooks_new();
  69   after_main = lttv_hooks_new();
  70
  71   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/before",
  72       LTTV_POINTER, &value));
  73   *(value.v_pointer) = before_options;
  74   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/after",
  75       LTTV_POINTER, &value));
  76   *(value.v_pointer) = after_options;
  77   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before",
  78       LTTV_POINTER, &value));
  79   *(value.v_pointer) = before_main;
  80   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/after",
  81       LTTV_POINTER, &value));
  82   *(value.v_pointer) = after_main;
  83
  84
  85   /* Initialize the command line options processing */
  86
  87   lttv_option_init(argc,argv);
  88   lttv_module_init(argc,argv);
  89   lttv_state_init(argc,argv);
  90
  91   /* Initialize the module loading */
  92
  93   lttv_module_path_add("/usr/lib/lttv/plugins");
  94
  95   /* Add some built-in options */
  96
  97   lttv_option_add("module",'m', "load a module", "name of module to load",
  98       LTTV_OPT_STRING, &a_module, lttv_module_option, NULL);
  99
 100   lttv_option_add("modules-path", 'L',
 101       "add a directory to the module search path",
 102       "directory to add to the path", LTTV_OPT_STRING, &a_module_path,
 103       lttv_module_path_option, NULL);
 104
 105   lttv_option_add("help",'h', "basic help", "none",
 106       LTTV_OPT_NONE, NULL, lttv_help, NULL);
 107
 108
 109   lttv_hooks_call(before_options, NULL);
 110   lttv_option_parse(argc, argv);
 111   lttv_hooks_call(after_options, NULL);
 112
 113   lttv_hooks_call(before_main, NULL);
 114   lttv_hooks_call(after_main, NULL);
 115
 116   lttv_state_destroy();
 117   lttv_module_destroy();
 118   lttv_option_destroy();
 119
 120   lttv_hooks_destroy(before_options);
 121   lttv_hooks_destroy(after_options);
 122   lttv_hooks_destroy(before_main);
 123   lttv_hooks_destroy(after_main);
 124   g_object_unref(attributes);
 125
 126 #ifdef MEMDEBUG
 127     g_message("Memory summary after main");
 128     g_mem_profile();
 129 #endif
 130 }
 131
 132
 133 LttvAttribute *lttv_global_attributes()
 134 {
 135   return (LttvAttribute*)attributes;
 136 }
 137
 138
 139 void lttv_module_option(void *hook_data)
 140 {
 141   lttv_module_load(a_module,a_argc,a_argv);
 142 }
 143
 144
 145 void lttv_module_path_option(void *hook_data)
 146 {
 147   lttv_module_path_add(a_module_path);
 148 }
 149
 150 void lttv_help()
 151 {
 152         printf("Linux Trace Toolkit Visualizer\n");
 153         printf("\n");
 154         lttv_option_show_help();
 155         printf("\n");
 156 }