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1 | |
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2 | #include <lttv/hook.h> |
3 | #include <lttv/module.h> |
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4 | #include <lttv/lttv.h> |
5 | #include <lttv/attribute.h> |
6 | #include <lttv/option.h> |
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7 | #include <lttv/traceset.h> |
8 | #include <ltt/trace.h> |
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9 | |
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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(); |
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15 | |
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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 | |
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20 | static LttvIAttributes *attributes; |
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21 | |
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22 | static LttvHooks |
23 | *before_options, |
24 | *after_options, |
25 | *before_main, |
26 | *after_main; |
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27 | |
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28 | static char |
29 | *a_module, |
30 | *a_module_path; |
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31 | |
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32 | static int a_argc; |
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33 | |
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34 | static char **a_argv; |
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35 | |
36 | static void lttv_module_option(void *hook_data); |
37 | |
38 | static void lttv_module_path_option(void *hook_data); |
39 | |
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40 | #ifdef MEMDEBUG |
41 | extern struct GMemVTable *glib_mem_profiler_table; |
42 | #endif |
43 | |
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44 | |
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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 | |
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50 | LttvAttributeValue *value; |
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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 | |
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58 | attributes = LTTV_IATTRIBUTES(g_object_new(LTTV_ATTRIBUTES_TYPE)); |
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59 | |
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60 | before_options = lttv_hooks_new(); |
61 | after_options = lttv_hooks_new(); |
62 | before_main = lttv_hooks_new(); |
63 | after_main = lttv_hooks_new(); |
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64 | |
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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; |
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77 | |
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78 | |
79 | /* Initialize the command line options processing */ |
80 | |
81 | lttv_option_init(argc,argv); |
82 | lttv_module_init(argc,argv); |
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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", |
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95 | "directory to add to the path", LTTV_OPT_STRING, &aModulePath, |
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96 | lttv_module_path_option, NULL); |
97 | |
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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); |
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102 | |
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103 | lttv_module_destroy(); |
104 | lttv_option_destroy(); |
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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); |
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111 | |
112 | #ifdef MEMDEBUG |
113 | g_message("Memory summary after main"); |
114 | g_mem_profile(); |
115 | #endif |
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116 | } |
117 | |
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118 | |
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119 | lttv_attributes *lttv_global_attributes() |
120 | { |
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121 | return attributes; |
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122 | } |
123 | |
124 | |
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125 | void lttv_module_option(void *hook_data) |
126 | { |
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127 | lttv_module_load(a_module,a_argc,a_argv); |
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128 | } |
129 | |
130 | |
131 | void lttv_module_path_option(void *hook_data) |
132 | { |
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133 | lttv_module_path_add(a_path); |
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134 | } |