| 1 | |
| 2 | #include <lttv/hook.h> |
| 3 | #include <lttv/module.h> |
| 4 | #include <lttv/lttv.h> |
| 5 | #include <lttv/attribute.h> |
| 6 | #include <lttv/option.h> |
| 7 | #include <lttv/traceset.h> |
| 8 | #include <ltt/trace.h> |
| 9 | |
| 10 | void lttv_option_init(int argc, char **argv); |
| 11 | void lttv_option_destroy(); |
| 12 | |
| 13 | void lttv_module_init(int argc, char **argv); |
| 14 | void lttv_module_destroy(); |
| 15 | |
| 16 | /* The main program maintains a few central data structures and relies |
| 17 | on modules for the rest. These data structures may be accessed by modules |
| 18 | through an exported API */ |
| 19 | |
| 20 | static LttvIAttributes *attributes; |
| 21 | |
| 22 | static LttvHooks |
| 23 | *before_options, |
| 24 | *after_options, |
| 25 | *before_main, |
| 26 | *after_main; |
| 27 | |
| 28 | static char |
| 29 | *a_module, |
| 30 | *a_module_path; |
| 31 | |
| 32 | static int a_argc; |
| 33 | |
| 34 | static char **a_argv; |
| 35 | |
| 36 | static void lttv_module_option(void *hook_data); |
| 37 | |
| 38 | static void lttv_module_path_option(void *hook_data); |
| 39 | |
| 40 | #ifdef MEMDEBUG |
| 41 | extern struct GMemVTable *glib_mem_profiler_table; |
| 42 | #endif |
| 43 | |
| 44 | |
| 45 | /* Since everything is done in modules, the main program only takes care |
| 46 | of the infrastructure. */ |
| 47 | |
| 48 | int main(int argc, char **argv) { |
| 49 | |
| 50 | LttvAttributeValue *value; |
| 51 | |
| 52 | #ifdef MEMDEBUG |
| 53 | g_mem_set_vtable(glib_mem_profiler_table); |
| 54 | g_message("Memory summary before main"); |
| 55 | g_mem_profile(); |
| 56 | #endif |
| 57 | |
| 58 | attributes = LTTV_IATTRIBUTES(g_object_new(LTTV_ATTRIBUTES_TYPE)); |
| 59 | |
| 60 | before_options = lttv_hooks_new(); |
| 61 | after_options = lttv_hooks_new(); |
| 62 | before_main = lttv_hooks_new(); |
| 63 | after_main = lttv_hooks_new(); |
| 64 | |
| 65 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/before", |
| 66 | LTTV_POINTER, &value)); |
| 67 | *(value->v_pointer) = before_options; |
| 68 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/after", |
| 69 | LTTV_POINTER, &value)); |
| 70 | *(value->v_pointer) = after_options; |
| 71 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before", |
| 72 | LTTV_POINTER, &value)); |
| 73 | *(value->v_pointer) = before_main; |
| 74 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/after", |
| 75 | LTTV_POINTER, &value)); |
| 76 | *(value->v_pointer) = after_main; |
| 77 | |
| 78 | |
| 79 | /* Initialize the command line options processing */ |
| 80 | |
| 81 | lttv_option_init(argc,argv); |
| 82 | lttv_module_init(argc,argv); |
| 83 | |
| 84 | /* Initialize the module loading */ |
| 85 | |
| 86 | lttv_module_path_add("/usr/lib/lttv/plugins"); |
| 87 | |
| 88 | /* Add some built-in options */ |
| 89 | |
| 90 | lttv_option_add("module",'m', "load a module", "name of module to load", |
| 91 | LTTV_OPT_STRING, &aModule, lttv_module_option, NULL); |
| 92 | |
| 93 | lttv_option_add("modules-path", 'L', |
| 94 | "add a directory to the module search path", |
| 95 | "directory to add to the path", LTTV_OPT_STRING, &aModulePath, |
| 96 | lttv_module_path_option, NULL); |
| 97 | |
| 98 | lttv_hooks_call(before_options, NULL); |
| 99 | lttv_hooks_call(after_options, NULL); |
| 100 | lttv_hooks_call(before_main, NULL); |
| 101 | lttv_hooks_call(after_main, NULL); |
| 102 | |
| 103 | lttv_module_destroy(); |
| 104 | lttv_option_destroy(); |
| 105 | |
| 106 | lttv_hooks_destroy(before_options); |
| 107 | lttv_hooks_destroy(after_options); |
| 108 | lttv_hooks_destroy(before_main); |
| 109 | lttv_hooks_destroy(after_main); |
| 110 | g_object_unref(attributes); |
| 111 | |
| 112 | #ifdef MEMDEBUG |
| 113 | g_message("Memory summary after main"); |
| 114 | g_mem_profile(); |
| 115 | #endif |
| 116 | } |
| 117 | |
| 118 | |
| 119 | lttv_attributes *lttv_global_attributes() |
| 120 | { |
| 121 | return attributes; |
| 122 | } |
| 123 | |
| 124 | |
| 125 | void lttv_module_option(void *hook_data) |
| 126 | { |
| 127 | lttv_module_load(a_module,a_argc,a_argv); |
| 128 | } |
| 129 | |
| 130 | |
| 131 | void lttv_module_path_option(void *hook_data) |
| 132 | { |
| 133 | lttv_module_path_add(a_path); |
| 134 | } |