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
|
/******************************************************************************
* Project Persistency
* (c) copyright 2012
* Company XS Embedded GmbH
*****************************************************************************/
/******************************************************************************
* This Source Code Form is subject to the terms of the
* Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed
* with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
******************************************************************************/
/**
* @file persistence_client_library.c
* @ingroup Persistence client library
* @author Ingo Huerner
* @brief Implementation of the persistence client library.
* Library provides an API to access persistent data
* @see
*/
#include "../include_protected/persistence_client_library.h"
#include "../include_protected/persistence_client_library_data_access.h"
#include "persistence_client_library_lc_interface.h"
#include "persistence_client_library_pas_interface.h"
#include "persistence_client_library_dbus_service.h"
#include "persistence_client_library_handle.h"
#include "persistence_client_library_custom_loader.h"
#include "persistence_client_library_access_helper.h"
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <dlt/dlt.h>
#include <dlt/dlt_common.h>
#include <dbus/dbus.h>
#define ENABLE_DBUS_INTERFACE 0
extern char* __progname;
/// debug log and trace (DLT) setup
DLT_DECLARE_CONTEXT(persClientLibCtx);
const char* gResTableCfg = "/resource-table-cfg.itz";
/// shared cached default database
const char* gSharedCachedDefault = "/cached-default.itz";
/// shared cached database
const char* gSharedCached = "/cached.itz";
/// shared write through default database
const char* gSharedWtDefault = "/wt-default.itz";
/// shared write through database
const char* gSharedWt = "/wt.itz";
/// local cached default database
const char* gLocalCachedDefault = "cached-default.itz";
/// local cached default database
const char* gLocalCached = "/cached.itz";
/// local write through default database
const char* gLocalWtDefault = "wt-default.itz";
/// local write through default database
const char* gLocalWt = "/wt.itz";
/// directory structure node name defintion
const char* gNode = "/node";
/// directory structure user name defintion
const char* gUser = "/user/";
/// directory structure seat name defintion
const char* gSeat = "/seat/";
/// path prefic for local cached database: /Data/mnt_c/<appId>/<database_name>
const char* gLocalCachePath = "/Data/mnt-c/%s%s";
/// path prefic for local write through database /Data/mnt_wt/<appId>/<database_name>
const char* gLocalWtPath = "/Data/mnt-wt/%s%s";
/// path prefic for shared cached database: /Data/mnt_c/Shared/Group/<group_no>/<database_name>
const char* gSharedCachePath = "/Data/mnt-c/%s/Shared_Group_%x%s";
/// path prefic for shared write through database: /Data/mnt_wt/Shared/Group/<group_no>/<database_name>
const char* gSharedWtPath = "/Data/mnt-wt/%s/Shared_Group_%x%s";
/// path prefic for shared public cached database: /Data/mnt_c/Shared/Public//<database_name>
const char* gSharedPublicCachePath = "/Data/mnt-c/%s/Shared_Public%s";
/// path prefic for shared public write through database: /Data/mnt_wt/Shared/Public/<database_name>
const char* gSharedPublicWtPath = "/Data/mnt-wt/%s/Shared_Public%s";
/// application id
char gAppId[MaxAppNameLen];
/// max key value data size [default 16kB]
int gMaxKeyValDataSize = defaultMaxKeyValDataSize;
/// library constructor
void pers_library_init(void) __attribute__((constructor));
/// library deconstructor
void pers_library_destroy(void) __attribute__((destructor));
void pers_library_init(void)
{
int status = 0;
int i = 0;
DLT_REGISTER_APP("Persistence Client Library","persClientLib");
DLT_REGISTER_CONTEXT(persClientLibCtx,"persClientLib","Context for Logging");
DLT_LOG(persClientLibCtx, DLT_LOG_ERROR, DLT_STRING("Initialize Persistence Client Library!!!!"));
/// environment variable for on demand loading of custom libraries
const char *pOnDemandLoad = getenv("PERS_CUSTOM_LIB_LOAD_ON_DEMAND");
/// environment variable for max key value data
const char *pDataSize = getenv("PERS_MAX_KEY_VAL_DATA_SIZE");
if(pDataSize != NULL)
{
gMaxKeyValDataSize = atoi(pDataSize);
}
#if ENABLE_DBUS_INTERFACE == 1
setup_dbus_mainloop();
// register for lifecycle and persistence admin service dbus messages
register_lifecycle();
register_pers_admin_service();
#endif
// clear the open file descriptor array
memset(gOpenFdArray, MaxPersHandle, sizeof(int));
/// get custom library names to load
status = get_custom_libraries();
if(status < 0)
{
printf("Failed to load custom library config table => error number %d\n", status );
}
// initialize custom library structure
for(i = 0; i<PersCustomLib_LastEntry; i++)
{
gPersCustomFuncs[i].handle = NULL;
gPersCustomFuncs[i].custom_plugin_init = NULL;
gPersCustomFuncs[i].custom_plugin_deinit = NULL;
gPersCustomFuncs[i].custom_plugin_handle_open = NULL;
gPersCustomFuncs[i].custom_plugin_handle_close = NULL;
gPersCustomFuncs[i].custom_plugin_handle_get_data = NULL;
gPersCustomFuncs[i].custom_plugin_handle_set_data = NULL;
gPersCustomFuncs[i].custom_plugin_get_data = NULL;
gPersCustomFuncs[i].custom_plugin_set_data = NULL;
gPersCustomFuncs[i].custom_plugin_delete_data = NULL;
gPersCustomFuncs[i].custom_plugin_get_status_notification_clbk = NULL;
gPersCustomFuncs[i].custom_plugin_handle_get_size = NULL;
gPersCustomFuncs[i].custom_plugin_get_size = NULL;
gPersCustomFuncs[i].custom_plugin_create_backup = NULL;
gPersCustomFuncs[i].custom_plugin_get_backup = NULL;
gPersCustomFuncs[i].custom_plugin_restore_backup = NULL;
}
if(pOnDemandLoad == NULL) // load all available libraries now
{
for(i=0; i < get_num_custom_client_libs(); i++ )
{
if(load_custom_library(get_custom_client_position_in_array(i), &gPersCustomFuncs[i] ) == -1)
{
printf("E r r o r could not load plugin: %s \n", get_custom_client_lib_name(get_custom_client_position_in_array(i)));
break;
}
gPersCustomFuncs[i].custom_plugin_init();
}
/// just testing
//gPersCustomFuncs[PersCustomLib_early].custom_plugin_open("Hallo", 88, 99);
//gPersCustomFuncs[PersCustomLib_early].custom_plugin_close(17);
}
//printf("A p p l i c a t i o n n a m e => %s \n", __progname /*program_invocation_short_name*/); // TODO: only temp solution for application name
strncpy(gAppId, __progname, MaxAppNameLen);
// destory mutex
pthread_mutex_destroy(&gDbusInitializedMtx);
pthread_cond_destroy(&gDbusInitializedCond);
}
void pers_library_destroy(void)
{
#if ENABLE_DBUS_INTERFACE == 1
// unregister for lifecycle and persistence admin service dbus messages
unregister_lifecycle();
unregister_pers_admin_service();
#endif
DLT_UNREGISTER_CONTEXT(persClientLibCtx);
DLT_UNREGISTER_APP();
dlt_free();
}
|
