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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
#include <dbus/dbus.h>
#include <map>
#include <vector>
#include "abrtlib.h"
extern DBusConnection* g_dbus_conn;
/*
* Helpers for building DBus messages
*/
//void store_bool(DBusMessageIter* iter, bool val);
void store_int32(DBusMessageIter* iter, int32_t val);
void store_uint32(DBusMessageIter* iter, uint32_t val);
void store_int64(DBusMessageIter* iter, int64_t val);
void store_uint64(DBusMessageIter* iter, uint64_t val);
void store_string(DBusMessageIter* iter, const char* val);
//static inline void store_val(DBusMessageIter* iter, bool val) { store_bool(iter, val); }
static inline void store_val(DBusMessageIter* iter, int32_t val) { store_int32(iter, val); }
static inline void store_val(DBusMessageIter* iter, uint32_t val) { store_uint32(iter, val); }
static inline void store_val(DBusMessageIter* iter, int64_t val) { store_int64(iter, val); }
static inline void store_val(DBusMessageIter* iter, uint64_t val) { store_uint64(iter, val); }
static inline void store_val(DBusMessageIter* iter, const char* val) { store_string(iter, val); }
static inline void store_val(DBusMessageIter* iter, const std::string& val) { store_string(iter, val.c_str()); }
/* Templates for vector and map */
template <typename T> struct abrt_dbus_type {};
//template <> struct abrt_dbus_type<bool> { static const char* csig() { return "b"; } };
template <> struct abrt_dbus_type<int32_t> { static const char* csig() { return "i"; } static std::string sig(); };
template <> struct abrt_dbus_type<uint32_t> { static const char* csig() { return "u"; } static std::string sig(); };
template <> struct abrt_dbus_type<int64_t> { static const char* csig() { return "x"; } static std::string sig(); };
template <> struct abrt_dbus_type<uint64_t> { static const char* csig() { return "t"; } static std::string sig(); };
template <> struct abrt_dbus_type<std::string> { static const char* csig() { return "s"; } static std::string sig(); };
#define ABRT_DBUS_SIG(T) (abrt_dbus_type<T>::csig() ? abrt_dbus_type<T>::csig() : abrt_dbus_type<T>::sig().c_str())
template <typename E>
struct abrt_dbus_type< std::vector<E> > {
static const char* csig() { return NULL; }
static std::string sig() { return ssprintf("a%s", ABRT_DBUS_SIG(E)); }
};
template <typename K, typename V>
struct abrt_dbus_type< std::map<K,V> > {
static const char* csig() { return NULL; }
static std::string sig() { return ssprintf("a{%s%s}", ABRT_DBUS_SIG(K), ABRT_DBUS_SIG(V)); }
};
template<typename E>
static void store_vector(DBusMessageIter* iter, const std::vector<E>& val)
{
DBusMessageIter sub_iter;
if (!dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY, ABRT_DBUS_SIG(E), &sub_iter))
die_out_of_memory();
typename std::vector<E>::const_iterator vit = val.begin();
for (; vit != val.end(); ++vit)
{
store_val(&sub_iter, *vit);
}
if (!dbus_message_iter_close_container(iter, &sub_iter))
die_out_of_memory();
}
/*
template<>
static void store_vector(DBus::MessageIter &iter, const std::vector<uint8_t>& val)
{
if we use such vector, MUST add specialized code here (see in dbus-c++ source)
}
*/
template<typename K, typename V>
static void store_map(DBusMessageIter* iter, const std::map<K,V>& val)
{
DBusMessageIter sub_iter;
if (!dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY,
ssprintf("{%s%s}", ABRT_DBUS_SIG(K), ABRT_DBUS_SIG(V)).c_str(),
&sub_iter))
die_out_of_memory();
typename std::map<K,V>::const_iterator mit = val.begin();
for (; mit != val.end(); ++mit)
{
DBusMessageIter sub_sub_iter;
if (!dbus_message_iter_open_container(&sub_iter, DBUS_TYPE_DICT_ENTRY, NULL, &sub_sub_iter))
die_out_of_memory();
store_val(&sub_sub_iter, mit->first);
store_val(&sub_sub_iter, mit->second);
if (!dbus_message_iter_close_container(&sub_iter, &sub_sub_iter))
die_out_of_memory();
}
if (!dbus_message_iter_close_container(iter, &sub_iter))
die_out_of_memory();
}
template<typename E>
static inline void store_val(DBusMessageIter* iter, const std::vector<E>& val) { store_vector(iter, val); }
template<typename K, typename V>
static inline void store_val(DBusMessageIter* iter, const std::map<K,V>& val) { store_map(iter, val); }
/*
* Helpers for parsing DBus messages
*/
enum {
ABRT_DBUS_ERROR = -1,
ABRT_DBUS_LAST_FIELD = 0,
ABRT_DBUS_MORE_FIELDS = 1,
};
/* Checks type, loads data, advances to the next arg.
* Returns TRUE if next arg exists.
*/
//int load_bool(DBusMessageIter* iter, bool& val);
int load_int32(DBusMessageIter* iter, int32_t &val);
int load_uint32(DBusMessageIter* iter, uint32_t &val);
int load_int64(DBusMessageIter* iter, int64_t &val);
int load_uint64(DBusMessageIter* iter, uint64_t &val);
int load_charp(DBusMessageIter* iter, const char*& val);
//static inline int load_val(DBusMessageIter* iter, bool &val) { return load_bool(iter, val); }
static inline int load_val(DBusMessageIter* iter, int32_t &val) { return load_int32(iter, val); }
static inline int load_val(DBusMessageIter* iter, uint32_t &val) { return load_uint32(iter, val); }
static inline int load_val(DBusMessageIter* iter, int64_t &val) { return load_int64(iter, val); }
static inline int load_val(DBusMessageIter* iter, uint64_t &val) { return load_uint64(iter, val); }
static inline int load_val(DBusMessageIter* iter, const char*& val) { return load_charp(iter, val); }
static inline int load_val(DBusMessageIter* iter, std::string& val)
{
const char* str;
int r = load_charp(iter, str);
val = str;
return r;
}
/* Templates for vector and map */
template<typename E>
static int load_vector(DBusMessageIter* iter, std::vector<E>& val)
{
int type = dbus_message_iter_get_arg_type(iter);
if (type != DBUS_TYPE_ARRAY)
{
error_msg("array expected in dbus message, but not found ('%c')", type);
return -1;
}
DBusMessageIter sub_iter;
dbus_message_iter_recurse(iter, &sub_iter);
int r;
//int cnt = 0;
//type = dbus_message_iter_get_arg_type(&sub_iter);
/* here "type" is the element's type, and it will be checked by load_val */
// if (type != DBUS_TYPE_INVALID) - not needed?
do {
E elem;
//cnt++;
r = load_val(&sub_iter, elem);
if (r < 0)
return r;
val.push_back(elem);
} while (r == ABRT_DBUS_MORE_FIELDS);
//log("%s: %d elems", __func__, cnt);
return dbus_message_iter_next(iter);
}
/*
template<>
static int load_vector(DBusMessageIter* iter, std::vector<uint8_t>& val)
{
if we use such vector, MUST add specialized code here (see in dbus-c++ source)
}
*/
template<typename K, typename V>
static int load_map(DBusMessageIter* iter, std::map<K,V>& val)
{
int type = dbus_message_iter_get_arg_type(iter);
if (type != DBUS_TYPE_ARRAY)
{
error_msg("array expected in dbus message, but not found ('%c')", type);
return -1;
}
DBusMessageIter sub_iter;
dbus_message_iter_recurse(iter, &sub_iter);
bool next_exists;
int r;
//int cnt = 0;
do {
type = dbus_message_iter_get_arg_type(&sub_iter);
if (type != DBUS_TYPE_DICT_ENTRY)
{
error_msg("sub_iter type is not DBUS_TYPE_DICT_ENTRY (%c)!", type);
return -1;
}
DBusMessageIter sub_sub_iter;
dbus_message_iter_recurse(&sub_iter, &sub_sub_iter);
K key;
r = load_val(&sub_sub_iter, key);
if (r != ABRT_DBUS_MORE_FIELDS)
{
if (r == ABRT_DBUS_LAST_FIELD)
error_msg("malformed map element in dbus message");
return -1;
}
V value;
r = load_val(&sub_sub_iter, value);
if (r != ABRT_DBUS_LAST_FIELD)
{
if (r == ABRT_DBUS_MORE_FIELDS)
error_msg("malformed map element in dbus message");
return -1;
}
val[key] = value;
//cnt++;
next_exists = dbus_message_iter_next(&sub_iter);
} while (next_exists);
//log("%s: %d elems", __func__, cnt);
return dbus_message_iter_next(iter);
}
template<typename E>
static inline int load_val(DBusMessageIter* iter, std::vector<E>& val) { return load_vector(iter, val); }
template<typename K, typename V>
static inline int load_val(DBusMessageIter* iter, std::map<K,V>& val) { return load_map(iter, val); }
|
