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Merge "ARI: Added new functionality to get information on a single module."

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This commit is contained in:
Mark Michelson
2015-07-13 15:15:47 -05:00
committed by Gerrit Code Review
parent c855523519 6a764db370
commit 3412b0f1ad
7 changed files with 239 additions and 3 deletions
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3
CHANGES
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@@ -192,7 +192,8 @@ AMI
ARI
------------------
* A new feature has been added that enables the retrieval of modules and
module information through an HTTP request.
module information through an HTTP request. Information on a single module
can be also be retrieved.
res_pjsip
------------------

19
include/asterisk/module.h
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@@ -178,6 +178,25 @@ int ast_update_module_list_data(int (*modentry)(const char *module, const char *
void *data),
const char *like, void *data);
/*!
* \brief Ask for a list of modules, descriptions, use counts and status.
* \param modentry A callback to an updater function
* \param like
* \param data Data passed into the callback for manipulation
* \param condition The condition to meet
*
* For each of the modules loaded, modentry will be executed with the resource,
* description, and usecount values of each particular module.
*
* \return the number of conditions met
* \since 13.5.0
*/
int ast_update_module_list_condition(int (*modentry)(const char *module, const char *description,
int usecnt, const char *status, const char *like,
enum ast_module_support_level support_level,
void *data, const char *condition),
const char *like, void *data, const char *condition);
/*!
* \brief Check if module with the name given is loaded
* \param name Module name, like "chan_sip.so"

28
main/loader.c
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@@ -1445,6 +1445,34 @@ int ast_update_module_list_data(int (*modentry)(const char *module, const char *
return total_mod_loaded;
}
int ast_update_module_list_condition(int (*modentry)(const char *module, const char *description,
int usecnt, const char *status,
const char *like,
enum ast_module_support_level support_level,
void *data, const char *condition),
const char *like, void *data, const char *condition)
{
struct ast_module *cur;
int conditions_met = 0;
AST_LIST_HEAD_NOLOCK(, ast_module) alpha_module_list = AST_LIST_HEAD_NOLOCK_INIT_VALUE;
AST_DLLIST_LOCK(&module_list);
AST_DLLIST_TRAVERSE(&module_list, cur, entry) {
AST_LIST_INSERT_SORTALPHA(&alpha_module_list, cur, list_entry, resource);
}
while ((cur = AST_LIST_REMOVE_HEAD(&alpha_module_list, list_entry))) {
conditions_met += modentry(cur->resource, cur->info->description, cur->usecount,
cur->flags.running? "Running" : "Not Running", like, cur->info->support_level, data,
condition);
}
AST_DLLIST_UNLOCK(&module_list);
return conditions_met;
}
/*! \brief Check if module exists */
int ast_module_check(const char *name)
{

73
res/ari/resource_asterisk.c
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@@ -185,6 +185,79 @@ void ast_ari_asterisk_list_modules(struct ast_variable *headers,
ast_ari_response_ok(response, json);
}
/*!
* \brief Identify module by name and process resource information
* \param module Resource name
* \param description Resource description
* \param usecnt Resource use count
* \param status Resource running status
* \param like
* \param support_level Resource support level
* \param data JSON body for resource
* \param condition Name to match resource to
*
* \retval 0 if no resource exists
* \retval 1 if resource exists
*/
static int identify_module(const char *module, const char *description, int usecnt,
const char *status, const char *like,
enum ast_module_support_level support_level, void *data,
const char *condition)
{
int json_obj_set = 0;
if (strcmp(condition, module) != 0) {
return 0;
}
json_obj_set += ast_json_object_set(data, "name", ast_json_string_create(module));
json_obj_set += ast_json_object_set(data, "description", ast_json_string_create(description));
json_obj_set += ast_json_object_set(data, "use_count", ast_json_integer_create(usecnt));
json_obj_set += ast_json_object_set(data, "status", ast_json_string_create(status));
json_obj_set += ast_json_object_set(data, "support_level", ast_json_string_create(
ast_module_support_level_to_string(support_level)));
if (json_obj_set != 0) {
return 0;
}
return 1;
}
void ast_ari_asterisk_get_module(struct ast_variable *headers,
struct ast_ari_asterisk_get_module_args *args,
struct ast_ari_response *response)
{
struct ast_json *json;
int module_retrieved = 0;
ast_assert(response != NULL);
if (!ast_module_check(args->module_name)) {
ast_ari_response_error(
response, 404, "Not Found",
"Module could not be found in running modules");
return;
}
json = ast_json_object_create();
if (!json) {
ast_ari_response_alloc_failed(response);
return;
}
module_retrieved = ast_update_module_list_condition(&identify_module, NULL, json,
args->module_name);
if (!module_retrieved) {
ast_ari_response_error(
response, 409, "Conflict",
"Module information could not be retrieved");
return;
}
ast_ari_response_ok(response, json);
}
void ast_ari_asterisk_get_global_var(struct ast_variable *headers,
struct ast_ari_asterisk_get_global_var_args *args,
struct ast_ari_response *response)

13
res/ari/resource_asterisk.h
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@@ -78,6 +78,19 @@ struct ast_ari_asterisk_list_modules_args {
* \param[out] response HTTP response
*/
void ast_ari_asterisk_list_modules(struct ast_variable *headers, struct ast_ari_asterisk_list_modules_args *args, struct ast_ari_response *response);
/*! Argument struct for ast_ari_asterisk_get_module() */
struct ast_ari_asterisk_get_module_args {
/*! Module's name */
const char *module_name;
};
/*!
* \brief Get Asterisk module information.
*
* \param headers HTTP headers
* \param args Swagger parameters
* \param[out] response HTTP response
*/
void ast_ari_asterisk_get_module(struct ast_variable *headers, struct ast_ari_asterisk_get_module_args *args, struct ast_ari_response *response);
/*! Argument struct for ast_ari_asterisk_get_global_var() */
struct ast_ari_asterisk_get_global_var_args {
/*! The variable to get */

74
res/res_ari_asterisk.c
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@@ -257,6 +257,66 @@ static void ast_ari_asterisk_list_modules_cb(
}
#endif /* AST_DEVMODE */
fin: __attribute__((unused))
return;
}
/*!
* \brief Parameter parsing callback for /asterisk/modules/{moduleName}.
* \param get_params GET parameters in the HTTP request.
* \param path_vars Path variables extracted from the request.
* \param headers HTTP headers.
* \param[out] response Response to the HTTP request.
*/
static void ast_ari_asterisk_get_module_cb(
struct ast_tcptls_session_instance *ser,
struct ast_variable *get_params, struct ast_variable *path_vars,
struct ast_variable *headers, struct ast_ari_response *response)
{
struct ast_ari_asterisk_get_module_args args = {};
struct ast_variable *i;
RAII_VAR(struct ast_json *, body, NULL, ast_json_unref);
#if defined(AST_DEVMODE)
int is_valid;
int code;
#endif /* AST_DEVMODE */
for (i = path_vars; i; i = i->next) {
if (strcmp(i->name, "moduleName") == 0) {
args.module_name = (i->value);
} else
{}
}
ast_ari_asterisk_get_module(headers, &args, response);
#if defined(AST_DEVMODE)
code = response->response_code;
switch (code) {
case 0: /* Implementation is still a stub, or the code wasn't set */
is_valid = response->message == NULL;
break;
case 500: /* Internal Server Error */
case 501: /* Not Implemented */
case 404: /* Module could not be found in running modules. */
case 409: /* Module information could not be retrieved. */
is_valid = 1;
break;
default:
if (200 <= code && code <= 299) {
is_valid = ast_ari_validate_module(
response->message);
} else {
ast_log(LOG_ERROR, "Invalid error response %d for /asterisk/modules/{moduleName}\n", code);
is_valid = 0;
}
}
if (!is_valid) {
ast_log(LOG_ERROR, "Response validation failed for /asterisk/modules/{moduleName}\n");
ast_ari_response_error(response, 500,
"Internal Server Error", "Response validation failed");
}
#endif /* AST_DEVMODE */
fin: __attribute__((unused))
return;
}
@@ -460,13 +520,23 @@ static struct stasis_rest_handlers asterisk_info = {
.children = { }
};
/*! \brief REST handler for /api-docs/asterisk.{format} */
static struct stasis_rest_handlers asterisk_modules_moduleName = {
.path_segment = "moduleName",
.is_wildcard = 1,
.callbacks = {
[AST_HTTP_GET] = ast_ari_asterisk_get_module_cb,
},
.num_children = 0,
.children = { }
};
/*! \brief REST handler for /api-docs/asterisk.{format} */
static struct stasis_rest_handlers asterisk_modules = {
.path_segment = "modules",
.callbacks = {
[AST_HTTP_GET] = ast_ari_asterisk_list_modules_cb,
},
.num_children = 0,
.children = { }
.num_children = 1,
.children = { &asterisk_modules_moduleName, }
};
/*! \brief REST handler for /api-docs/asterisk.{format} */
static struct stasis_rest_handlers asterisk_variable = {

32
rest-api/api-docs/asterisk.json
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@@ -50,6 +50,38 @@
}
]
},
{
"path": "/asterisk/modules/{moduleName}",
"description": "Asterisk module",
"operations": [
{
"httpMethod": "GET",
"summary": "Get Asterisk module information.",
"nickname": "getModule",
"responseClass": "Module",
"parameters": [
{
"name": "moduleName",
"description": "Module's name",
"paramType": "path",
"required": true,
"allowMultiple": false,
"dataType": "string"
}
],
"errorResponses": [
{
"code": 404,
"reason": "Module could not be found in running modules."
},
{
"code": 409,
"reason": "Module information could not be retrieved."
}
]
}
]
},
{
"path": "/asterisk/variable",
"description": "Global variables",