summaryrefslogtreecommitdiff
path: root/src/util.h
blob: 26aed19ad80daa16d269b5a3cb6157e282aefb04 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
// -*- mode: c++ -*-

#ifndef H_MATE_SYSTEM_MONITOR_UTIL_1123178725
#define H_MATE_SYSTEM_MONITOR_UTIL_1123178725

#include <glib.h>
#include <gtk/gtk.h>
#include <stddef.h>
#include <cstring>
#include <string>
#include <functional>
#include <algorithm>

using std::string;

template<typename T>
inline int procman_cmp(T x, T y)
{
    if (x == y)
        return 0;

    if (x < y)
        return -1;

    return 1;
}

#define PROCMAN_CMP(X, Y) procman_cmp((X), (Y))
#define PROCMAN_RCMP(X, Y) procman_cmp((Y), (X));

/* check if logind is running */
#define LOGIND_RUNNING() (access("/run/systemd/seats/", F_OK) >= 0)

GtkWidget*
procman_make_label_for_mmaps_or_ofiles(const char *format,
                                       const char *process_name,
                                       unsigned pid);

gboolean
load_symbols(const char *module, ...) G_GNUC_NULL_TERMINATED;


void
procman_debug_real(const char *file, int line, const char *func,
                   const char *format, ...) G_GNUC_PRINTF(4, 5);

#define procman_debug(FMT, ...) procman_debug_real(__FILE__, __LINE__, __func__, FMT, ##__VA_ARGS__)

inline string make_string(char *c_str)
{
    if (!c_str) {
        procman_debug("NULL string");
        return string();
    }

    string s(c_str);
    g_free(c_str);
    return s;
}




template<typename Map>
class UnrefMapValues
    : public std::unary_function<void, Map>
{
public:
    void operator()(const typename Map::value_type &it) const
    {
        if (it.second)
            g_object_unref(it.second);
    }
};


template<typename Map>
inline void unref_map_values(Map &map)
{
    std::for_each(map.begin(), map.end(), UnrefMapValues<Map>());
}


namespace procman
{
    void size_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer,
                             GtkTreeModel *model, GtkTreeIter *iter,
                             gpointer user_data);

    void size_na_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer,
                                GtkTreeModel *model, GtkTreeIter *iter,
                                gpointer user_data);

    void duration_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer,
                   GtkTreeModel *model, GtkTreeIter *iter,
                   gpointer user_data);

    void time_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer,
                             GtkTreeModel *model, GtkTreeIter *iter,
                             gpointer user_data);

    void status_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer,
                               GtkTreeModel *model, GtkTreeIter *iter,
                               gpointer user_data);
    void priority_cell_data_func(GtkTreeViewColumn *col, GtkCellRenderer *renderer,
                               GtkTreeModel *model, GtkTreeIter *iter,
                               gpointer user_data);
    gint priority_compare_func(GtkTreeModel* model, GtkTreeIter* first,
                            GtkTreeIter* second, gpointer user_data);
    gint number_compare_func(GtkTreeModel* model, GtkTreeIter* first,
                            GtkTreeIter* second, gpointer user_data);


    template<typename T>
    void poison(T &t, char c)
    {
        memset(&t, c, sizeof t);
    }



    //
    // Stuff to update a tree_store in a smart way
    //

    template<typename T>
    void tree_store_update(GtkTreeModel* model, GtkTreeIter* iter, int column, const T& new_value)
    {
        T current_value;

        gtk_tree_model_get(model, iter, column, &current_value, -1);

        if (current_value != new_value)
            gtk_tree_store_set(GTK_TREE_STORE(model), iter, column, new_value, -1);
    }

    // undefined
    // catch every thing about pointers
    // just to make sure i'm not doing anything wrong
    template<typename T>
    void tree_store_update(GtkTreeModel* model, GtkTreeIter* iter, int column, T* new_value);

    // specialized versions for strings
    template<>
    void tree_store_update<const char>(GtkTreeModel* model, GtkTreeIter* iter, int column, const char* new_value);

    template<>
    inline void tree_store_update<char>(GtkTreeModel* model, GtkTreeIter* iter, int column, char* new_value)
    {
         tree_store_update<const char>(model, iter, column, new_value);
    }

    gchar* format_size(guint64 size, guint64 max = 0, bool want_bits = false);

    gchar* get_nice_level (gint nice);

    std::string format_rate(guint64 rate, guint64 max_rate = 0, bool want_bits = false);

    std::string format_network(guint64 rate, guint64 max_rate = 0);
    std::string format_network_rate(guint64 rate, guint64 max_rate = 0);
}


#endif /* H_MATE_SYSTEM_MONITOR_UTIL_1123178725 */