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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> |
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5 | #include <lttv/iattribute.h> |
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6 | #include <lttv/attribute.h> |
7 | #include <lttv/option.h> |
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8 | #include <lttv/traceset.h> |
9 | #include <ltt/trace.h> |
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10 | |
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11 | void lttv_option_init(int argc, char **argv); |
12 | void lttv_option_destroy(); |
13 | |
14 | void lttv_module_init(int argc, char **argv); |
15 | void lttv_module_destroy(); |
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16 | |
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17 | void lttv_state_init(int argc, char **argv); |
18 | void lttv_state_destroy(); |
19 | |
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20 | /* The main program maintains a few central data structures and relies |
21 | on modules for the rest. These data structures may be accessed by modules |
22 | through an exported API */ |
23 | |
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24 | static LttvIAttribute *attributes; |
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25 | |
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26 | static LttvHooks |
27 | *before_options, |
28 | *after_options, |
29 | *before_main, |
30 | *after_main; |
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31 | |
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32 | static char |
33 | *a_module, |
34 | *a_module_path; |
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35 | |
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36 | static int a_argc; |
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37 | |
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38 | static char **a_argv; |
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39 | |
40 | static void lttv_module_option(void *hook_data); |
41 | |
42 | static void lttv_module_path_option(void *hook_data); |
43 | |
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44 | #ifdef MEMDEBUG |
45 | extern struct GMemVTable *glib_mem_profiler_table; |
46 | #endif |
47 | |
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48 | |
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49 | /* Since everything is done in modules, the main program only takes care |
50 | of the infrastructure. */ |
51 | |
52 | int main(int argc, char **argv) { |
53 | |
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54 | LttvAttributeValue value; |
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55 | |
56 | #ifdef MEMDEBUG |
57 | g_mem_set_vtable(glib_mem_profiler_table); |
58 | g_message("Memory summary before main"); |
59 | g_mem_profile(); |
60 | #endif |
61 | |
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62 | attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL)); |
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63 | |
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64 | before_options = lttv_hooks_new(); |
65 | after_options = lttv_hooks_new(); |
66 | before_main = lttv_hooks_new(); |
67 | after_main = lttv_hooks_new(); |
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68 | |
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69 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/before", |
70 | LTTV_POINTER, &value)); |
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71 | *(value.v_pointer) = before_options; |
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72 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/after", |
73 | LTTV_POINTER, &value)); |
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74 | *(value.v_pointer) = after_options; |
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75 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before", |
76 | LTTV_POINTER, &value)); |
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77 | *(value.v_pointer) = before_main; |
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78 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/after", |
79 | LTTV_POINTER, &value)); |
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80 | *(value.v_pointer) = after_main; |
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81 | |
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82 | |
83 | /* Initialize the command line options processing */ |
84 | |
85 | lttv_option_init(argc,argv); |
86 | lttv_module_init(argc,argv); |
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87 | lttv_state_init(argc,argv); |
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88 | |
89 | /* Initialize the module loading */ |
90 | |
91 | lttv_module_path_add("/usr/lib/lttv/plugins"); |
92 | |
93 | /* Add some built-in options */ |
94 | |
95 | lttv_option_add("module",'m', "load a module", "name of module to load", |
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96 | LTTV_OPT_STRING, &a_module, lttv_module_option, NULL); |
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97 | |
98 | lttv_option_add("modules-path", 'L', |
99 | "add a directory to the module search path", |
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100 | "directory to add to the path", LTTV_OPT_STRING, &a_module_path, |
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101 | lttv_module_path_option, NULL); |
102 | |
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103 | lttv_hooks_call(before_options, NULL); |
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104 | lttv_option_parse(argc, argv); |
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105 | lttv_hooks_call(after_options, NULL); |
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106 | |
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107 | lttv_hooks_call(before_main, NULL); |
108 | lttv_hooks_call(after_main, NULL); |
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109 | |
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110 | lttv_state_destroy(); |
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111 | lttv_module_destroy(); |
112 | lttv_option_destroy(); |
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113 | |
114 | lttv_hooks_destroy(before_options); |
115 | lttv_hooks_destroy(after_options); |
116 | lttv_hooks_destroy(before_main); |
117 | lttv_hooks_destroy(after_main); |
118 | g_object_unref(attributes); |
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119 | |
120 | #ifdef MEMDEBUG |
121 | g_message("Memory summary after main"); |
122 | g_mem_profile(); |
123 | #endif |
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124 | } |
125 | |
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126 | |
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127 | LttvAttribute *lttv_global_attributes() |
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128 | { |
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129 | return (LttvAttribute*)attributes; |
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130 | } |
131 | |
132 | |
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133 | void lttv_module_option(void *hook_data) |
134 | { |
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135 | lttv_module_load(a_module,a_argc,a_argv); |
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136 | } |
137 | |
138 | |
139 | void lttv_module_path_option(void *hook_data) |
140 | { |
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141 | lttv_module_path_add(a_module_path); |
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142 | } |