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
|
/*
* Copyright 2013 Samsung Electronics Co., Ltd
*
* Licensed under the Flora License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://floralicense.org
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <dlfcn.h>
#include <dlog.h>
#include <livebox-service.h>
#include <livebox-errno.h>
#include "debug.h"
#include "livebox-cpp.h"
#include "livebox-impl.h"
#include "CModule.h"
#include "dlist.h"
const char *CModule::m_sModulePath = "/opt/usr/live/%s/libexec/liblive-%s.so";
struct dlist *CModule::m_pModuleList = NULL;
CModule *CModule::Load(const char *pkgname)
{
CModule *inst;
char *tmp;
char *module_path;
int ret;
tmp = strdup(pkgname);
if (!tmp) {
ErrPrint("Memory: %s\n", strerror(errno));
return NULL;
}
try {
inst = new CModule(tmp);
} catch (...) {
ErrPrint("Memory\n");
free(tmp);
return NULL;
}
module_path = livebox_service_libexec(pkgname);
if (!module_path) {
delete inst;
free(tmp);
return NULL;
}
inst->m_pHandle = dlopen(module_path, RTLD_LOCAL | RTLD_NOW | RTLD_DEEPBIND);
free(module_path);
if (!inst->m_pHandle) {
ErrPrint("dlopen: %s\n", dlerror());
delete inst;
free(tmp);
return NULL;
}
inst->m_fNew = (void *(*)(void))dlsym(inst->m_pHandle, "livebox_new");
if (!inst->m_fNew) {
ErrPrint("symbol: livebox_new is not found: %s\n", dlerror());
dlclose(inst->m_pHandle);
delete inst;
free(tmp);
return NULL;
}
inst->m_fNeedToCreate = (int (*)(const char *, const char *))dlsym(inst->m_pHandle, "livebox_need_to_create");
if (!inst->m_fNeedToCreate)
DbgPrint("%s has no livebox_need_to_create\n", pkgname);
inst->m_fInitialize = (int (*)(const char *))dlsym(inst->m_pHandle, "livebox_initialize");
if (!inst->m_fInitialize) {
DbgPrint("%s has no livebox_initialize\n", pkgname);
} else {
ret = inst->m_fInitialize(pkgname);
if (ret < 0) {
ErrPrint("livebox_finalize(%s) returns %d\n", pkgname, ret);
dlclose(inst->m_pHandle);
delete inst;
free(tmp);
return NULL;
}
}
inst->m_fFinalize = (int (*)(void))dlsym(inst->m_pHandle, "livebox_finalize");
if (!inst->m_fFinalize)
DbgPrint("%s has no livebox_finalize\n", pkgname);
m_pModuleList = dlist_append(m_pModuleList, inst);
return inst;
}
int CModule::Unload(void)
{
struct dlist *l;
l = dlist_find_data(m_pModuleList, this);
m_pModuleList = dlist_remove(m_pModuleList, l);
if (m_fFinalize) {
int ret;
ret = m_fFinalize();
DbgPrint("livebox_finalize of %s returns %d\n", m_sPkgname, ret);
}
dlclose(m_pHandle);
free(m_sPkgname);
delete this;
return LB_STATUS_SUCCESS;
}
int CModule::Create(const char *filename, const char *content, const char *cluster, const char *category)
{
CLiveBoxImpl *inst;
inst = (CLiveBoxImpl *)m_fNew();
if (inst) {
int ret;
ret = inst->Create(filename, content, cluster, category);
if (ret < 0) {
delete inst;
return ret;
}
m_pList = dlist_append(m_pList, inst);
return 0;
}
return LB_STATUS_ERROR_FAULT;
}
int CModule::Destroy(CLiveBoxImpl *inst)
{
struct dlist *l;
l = dlist_find_data(m_pList, inst);
if (!l)
return LB_STATUS_ERROR_NOT_EXIST;
m_pList = dlist_remove(m_pList, l);
delete inst;
return LB_STATUS_SUCCESS;
}
CLiveBoxImpl *CModule::FindLiveBox(const char *filename)
{
struct dlist *l;
void *item;
CLiveBoxImpl *box;
dlist_foreach(m_pList, l, item) {
box = (CLiveBoxImpl *)item;
if (!strcmp(filename, box->Filename()))
return box;
}
return NULL;
}
int CModule::NeedToCreate(const char *cluster, const char *category)
{
if (!m_fNeedToCreate)
return 0;
return m_fNeedToCreate(cluster, category);
}
CModule *CModule::FindModule(const char *pkgname)
{
struct dlist *l;
void *item;
CModule *module;
dlist_foreach(m_pModuleList, l, item) {
module = (CModule *)item;
if (!strcmp(pkgname, module->PackageName())) {
return module;
}
}
return NULL;
}
/* End of a file */
|
