resource_sounds.c File Reference

/api-docs/sounds.{format} implementation- Sound resources More...

#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"

Include dependency graph for resource_sounds.c:

Go to the source code of this file.

Data Structures
struct	lang_format_info
	arguments that are necessary for adding format/lang pairs More...
struct	sounds_cb_data

Functions
static int	add_format_information_cb (void *obj, void *arg, void *data, int flags)
	Add format/lang pairs to the array embedded in the sound object.
static int	append_sound_cb (void *obj, void *arg, void *data, int flags)
	Generate a Sound structure and append it to the output blob.
void	ast_ari_sounds_get (struct ast_variable *headers, struct ast_ari_sounds_get_args *args, struct ast_ari_response *response)
	Get a sound's details.
void	ast_ari_sounds_list (struct ast_variable *headers, struct ast_ari_sounds_list_args *args, struct ast_ari_response *response)
	List all sounds.
static struct ast_json *	create_sound_blob (const char *filename, struct ast_ari_sounds_list_args *args, struct ast_media_index *sounds_index)
	Generate a Sound structure as documented in sounds.json for the specified filename.
static int	filter_langs_cb (void *obj, void *arg, int flags)
	Filter out all languages not matching the specified language.

Detailed Description

/api-docs/sounds.{format} implementation- Sound resources

Author

David M. Lee, II dlee@.nosp@m.digi.nosp@m.um.co.nosp@m.m

Definition in file resource_sounds.c.

Function Documentation

add_format_information_cb()

static int add_format_information_cb ( void *  obj, void *  arg, void *  data, int  flags  )

static

Add format/lang pairs to the array embedded in the sound object.

Definition at line 43 of file resource_sounds.c.

{
    char *language = obj;
    struct lang_format_info *args = arg;
    int idx;
    RAII_VAR(struct ast_format_cap *, cap, NULL, ao2_cleanup);
    struct ast_media_index *sounds_index = data;
 
    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;
}

References ao2_cleanup, ao2_ref, args, ast_format_cap_count(), ast_format_cap_get_format(), ast_format_get_name(), ast_json_array_append(), ast_json_pack(), ast_media_get_format_cap(), ast_strlen_zero(), CMP_STOP, language, NULL, and RAII_VAR.

Referenced by create_sound_blob().

append_sound_cb()

static int append_sound_cb ( void *  obj, void *  arg, void *  data, int  flags  )

static

Generate a Sound structure and append it to the output blob.

Definition at line 166 of file resource_sounds.c.

{
    struct ast_json *sounds_array = arg;
    char *filename = obj;
    struct sounds_cb_data *cb_data = data;
    struct ast_json *sound_blob = create_sound_blob(filename, cb_data->args, cb_data->index);
    if (!sound_blob) {
        return 0;
    }
 
    ast_json_array_append(sounds_array, sound_blob);
    return 0;
}

References sounds_cb_data::args, ast_json_array_append(), create_sound_blob(), and sounds_cb_data::index.

Referenced by ast_ari_sounds_list().

ast_ari_sounds_get()

void ast_ari_sounds_get	(	struct ast_variable *	headers,
		struct ast_ari_sounds_get_args *	args,
		struct ast_ari_response *	response
	)

Get a sound's details.

Parameters

	headers	HTTP headers
	args	Swagger parameters
[out]	response	HTTP response

Definition at line 220 of file resource_sounds.c.

{
    struct ast_json *sound_blob;
    struct ast_media_index *sounds_index = ast_sounds_get_index_for_file(args->sound_id);
 
    sound_blob = create_sound_blob(args->sound_id, NULL, sounds_index);
    ao2_cleanup(sounds_index);
    if (!sound_blob) {
        ast_ari_response_error(response, 404, "Not Found", "Sound not found");
        return;
    }
 
    ast_ari_response_ok(response, sound_blob);
}

References ao2_cleanup, args, ast_ari_response_error(), ast_ari_response_ok(), ast_sounds_get_index_for_file(), create_sound_blob(), and NULL.

Referenced by ast_ari_sounds_get_cb().

ast_ari_sounds_list()

void ast_ari_sounds_list	(	struct ast_variable *	headers,
		struct ast_ari_sounds_list_args *	args,
		struct ast_ari_response *	response
	)

List all sounds.

Parameters

	headers	HTTP headers
	args	Swagger parameters
[out]	response	HTTP response

Definition at line 180 of file resource_sounds.c.

{
    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);
    struct sounds_cb_data cb_data = {
        .args = args,
        .index = sounds_index,
    };
 
    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, &cb_data);
 
    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);
}

References ao2_callback_data, ao2_cleanup, append_sound_cb(), sounds_cb_data::args, args, ast_ari_response_error(), ast_ari_response_ok(), ast_json_array_create(), ast_json_array_size(), ast_json_unref(), ast_media_get_media(), ast_sounds_get_index(), NULL, OBJ_NODATA, and RAII_VAR.

Referenced by ast_ari_sounds_list_cb().

create_sound_blob()

static struct ast_json * create_sound_blob ( const char *  filename, struct ast_ari_sounds_list_args *  args, struct ast_media_index *  sounds_index  )

static

Generate a Sound structure as documented in sounds.json for the specified filename.

Definition at line 97 of file resource_sounds.c.

{
    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;
 
    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_data(languages, OBJ_NODATA, add_format_information_cb, &info, sounds_index);
 
    /* 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);
}

References add_format_information_cb(), ao2_callback, ao2_callback_data, ao2_cleanup, ao2_container_count(), args, ast_json_array_size(), ast_json_object_get(), ast_json_pack(), ast_json_ref(), ast_json_unref(), ast_media_get_description(), ast_media_get_variants(), ast_strdupa, ast_strlen_zero(), lang_format_info::filename, filter_langs_cb(), NULL, OBJ_MULTIPLE, OBJ_NODATA, OBJ_UNLINK, and RAII_VAR.

Referenced by append_sound_cb(), and ast_ari_sounds_get().

filter_langs_cb()

static int filter_langs_cb ( void *  obj, void *  arg, int  flags  )

static

Filter out all languages not matching the specified language.

Definition at line 86 of file resource_sounds.c.

{
    char *lang_filter = arg;
    char *lang = obj;
    if (strcmp(lang, lang_filter)) {
        return CMP_MATCH;
    }
    return 0;
}

References CMP_MATCH.

Referenced by create_sound_blob().