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
|
/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2012 - 2013, Digium, Inc.
*
* David M. Lee, II <dlee@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief /api-docs/sounds.{format} implementation- Sound resources
*
* \author David M. Lee, II <dlee@digium.com>
*/
#include "asterisk.h"
#include "resource_sounds.h"
#include "asterisk/media_index.h"
#include "asterisk/sounds_index.h"
#include "asterisk/format.h"
#include "asterisk/format_cap.h"
#include "asterisk/json.h"
/*! \brief arguments that are necessary for adding format/lang pairs */
struct lang_format_info {
struct ast_json *format_list; /*!< The embedded array to which format/lang pairs should be added */
const char *filename; /*!< Name of the file for which to add format/lang pairs */
const char *format_filter; /*!< Format filter provided in the request */
};
/*! \brief Add format/lang pairs to the array embedded in the sound object */
static int add_format_information_cb(void *obj, void *arg, int flags)
{
char *language = obj;
struct lang_format_info *args = arg;
int idx;
RAII_VAR(struct ast_format_cap *, cap, NULL, ao2_cleanup);
RAII_VAR(struct ast_media_index *, sounds_index, ast_sounds_get_index(), ao2_cleanup);
if (!sounds_index) {
return CMP_STOP;
}
cap = ast_media_get_format_cap(sounds_index, args->filename, language);
if (!cap) {
return CMP_STOP;
}
for (idx = 0; idx < ast_format_cap_count(cap); idx++) {
struct ast_format *format = ast_format_cap_get_format(cap, idx);
struct ast_json *lang_format_pair;
if (!ast_strlen_zero(args->format_filter)
&& strcmp(args->format_filter, ast_format_get_name(format))) {
ao2_ref(format, -1);
continue;
}
lang_format_pair = ast_json_pack("{s: s, s: s}",
"language", language,
"format", ast_format_get_name(format));
if (!lang_format_pair) {
ao2_ref(format, -1);
return CMP_STOP;
}
ast_json_array_append(args->format_list, lang_format_pair);
ao2_ref(format, -1);
}
return 0;
}
/*! \brief Filter out all languages not matching the specified language */
static int filter_langs_cb(void *obj, void *arg, int flags)
{
char *lang_filter = arg;
char *lang = obj;
if (strcmp(lang, lang_filter)) {
return CMP_MATCH;
}
return 0;
}
/*! \brief Generate a Sound structure as documented in sounds.json for the specified filename */
static struct ast_json *create_sound_blob(const char *filename,
struct ast_ari_sounds_list_args *args)
{
RAII_VAR(struct ast_json *, sound, NULL, ast_json_unref);
RAII_VAR(struct ao2_container *, languages, NULL, ao2_cleanup);
const char *description;
struct ast_json *format_lang_list;
struct lang_format_info info;
RAII_VAR(struct ast_media_index *, sounds_index, ast_sounds_get_index(), ao2_cleanup);
if (!sounds_index) {
return NULL;
}
description = ast_media_get_description(sounds_index, filename, "en");
if (ast_strlen_zero(description)) {
sound = ast_json_pack("{s: s, s: []}",
"id", filename,
"formats");
} else {
sound = ast_json_pack("{s: s, s: s, s: []}",
"id", filename,
"text", description,
"formats");
}
if (!sound) {
return NULL;
}
format_lang_list = ast_json_object_get(sound, "formats");
if (!format_lang_list) {
return NULL;
}
languages = ast_media_get_variants(sounds_index, filename);
if (!languages || !ao2_container_count(languages)) {
return NULL;
}
/* filter requested languages */
if (args && !ast_strlen_zero(args->lang)) {
char *lang_filter = ast_strdupa(args->lang);
ao2_callback(languages, OBJ_NODATA | OBJ_MULTIPLE | OBJ_UNLINK, filter_langs_cb, lang_filter);
if (!languages || !ao2_container_count(languages)) {
return NULL;
}
}
info.filename = filename;
info.format_list = format_lang_list;
info.format_filter = NULL;
if (args) {
info.format_filter = args->format;
}
ao2_callback(languages, OBJ_NODATA, add_format_information_cb, &info);
/* no format/lang pairs for this sound so nothing to return */
if (!ast_json_array_size(format_lang_list)) {
return NULL;
}
return ast_json_ref(sound);
}
/*! \brief Generate a Sound structure and append it to the output blob */
static int append_sound_cb(void *obj, void *arg, void *data, int flags)
{
struct ast_json *sounds_array = arg;
char *filename = obj;
struct ast_ari_sounds_list_args *args = data;
struct ast_json *sound_blob = create_sound_blob(filename, args);
if (!sound_blob) {
return 0;
}
ast_json_array_append(sounds_array, sound_blob);
return 0;
}
void ast_ari_sounds_list(struct ast_variable *headers,
struct ast_ari_sounds_list_args *args,
struct ast_ari_response *response)
{
RAII_VAR(struct ao2_container *, sound_files, NULL, ao2_cleanup);
struct ast_json *sounds_blob;
RAII_VAR(struct ast_media_index *, sounds_index, ast_sounds_get_index(), ao2_cleanup);
if (!sounds_index) {
ast_ari_response_error(response, 500, "Internal Error", "Sounds index not available");
return;
}
sound_files = ast_media_get_media(sounds_index);
if (!sound_files) {
ast_ari_response_error(response, 500, "Internal Error", "Allocation Error");
return;
}
sounds_blob = ast_json_array_create();
if (!sounds_blob) {
ast_ari_response_error(response, 500, "Internal Error", "Allocation Error");
return;
}
ao2_callback_data(sound_files, OBJ_NODATA, append_sound_cb, sounds_blob, args);
if (!ast_json_array_size(sounds_blob)) {
ast_ari_response_error(response, 404, "Not Found", "No sounds found that matched the query");
ast_json_unref(sounds_blob);
return;
}
ast_ari_response_ok(response, sounds_blob);
}
void ast_ari_sounds_get(struct ast_variable *headers,
struct ast_ari_sounds_get_args *args,
struct ast_ari_response *response)
{
struct ast_json *sound_blob;
sound_blob = create_sound_blob(args->sound_id, NULL);
if (!sound_blob) {
ast_ari_response_error(response, 404, "Not Found", "Sound not found");
return;
}
ast_ari_response_ok(response, sound_blob);
}
|
