resource_endpoints.c File Reference

/api-docs/endpoints.{format} implementation- Endpoint resources More...

#include "asterisk.h"
#include "resource_endpoints.h"
#include "asterisk/astobj2.h"
#include "asterisk/stasis.h"
#include "asterisk/stasis_app.h"
#include "asterisk/stasis_endpoints.h"
#include "asterisk/channel.h"
#include "asterisk/message.h"

Include dependency graph for resource_endpoints.c:

Go to the source code of this file.

Functions
void	ast_ari_endpoints_get (struct ast_variable *headers, struct ast_ari_endpoints_get_args *args, struct ast_ari_response *response)
	Details for an endpoint. More...
void	ast_ari_endpoints_list (struct ast_variable *headers, struct ast_ari_endpoints_list_args *args, struct ast_ari_response *response)
	List all endpoints. More...
void	ast_ari_endpoints_list_by_tech (struct ast_variable *headers, struct ast_ari_endpoints_list_by_tech_args *args, struct ast_ari_response *response)
	List available endoints for a given endpoint technology. More...
void	ast_ari_endpoints_send_message (struct ast_variable *headers, struct ast_ari_endpoints_send_message_args *args, struct ast_ari_response *response)
	Send a message to some technology URI or endpoint. More...
void	ast_ari_endpoints_send_message_to_endpoint (struct ast_variable *headers, struct ast_ari_endpoints_send_message_to_endpoint_args *args, struct ast_ari_response *response)
	Send a message to some endpoint in a technology. More...
static int	json_to_ast_variables (struct ast_ari_response *response, struct ast_json *json_variables, struct ast_variable **variables)
static void	send_message (const char *to, const char *from, const char *body, struct ast_variable *variables, struct ast_ari_response *response)

Detailed Description

/api-docs/endpoints.{format} implementation- Endpoint resources

Author

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

Definition in file resource_endpoints.c.

Function Documentation

ast_ari_endpoints_get()

void ast_ari_endpoints_get	(	struct ast_variable *	headers,
		struct ast_ari_endpoints_get_args *	args,
		struct ast_ari_response *	response
	)

Details for an endpoint.

Parameters

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

Definition at line 153 of file resource_endpoints.c.

References ao2_cleanup, ast_ari_response_alloc_failed(), ast_ari_response_error(), ast_ari_response_ok(), ast_endpoint_latest_snapshot(), ast_endpoint_snapshot_to_json(), NULL, RAII_VAR, ast_ari_endpoints_get_args::resource, stasis_app_get_sanitizer(), and ast_ari_endpoints_get_args::tech.

Referenced by ast_ari_endpoints_get_cb().

{
   struct ast_json *json;
   RAII_VAR(struct ast_endpoint_snapshot *, snapshot, NULL, ao2_cleanup);

   snapshot = ast_endpoint_latest_snapshot(args->tech, args->resource);
   if (!snapshot) {
      ast_ari_response_error(response, 404, "Not Found",
         "Endpoint not found");
      return;
   }

   json = ast_endpoint_snapshot_to_json(snapshot, stasis_app_get_sanitizer());
   if (!json) {
      ast_ari_response_alloc_failed(response);
      return;
   }

   ast_ari_response_ok(response, json);
}

ast_ari_endpoints_list()

void ast_ari_endpoints_list	(	struct ast_variable *	headers,
		struct ast_ari_endpoints_list_args *	args,
		struct ast_ari_response *	response
	)

List all endpoints.

Parameters

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

Definition at line 37 of file resource_endpoints.c.

References ao2_cleanup, ao2_iterator_destroy(), ao2_iterator_init(), ao2_iterator_next, ao2_ref, ast_ari_response_alloc_failed(), ast_ari_response_error(), ast_ari_response_ok(), ast_endpoint_cache(), ast_endpoint_snapshot_to_json(), ast_endpoint_snapshot_type(), ast_json_array_append(), ast_json_array_create(), ast_json_ref(), ast_json_unref(), cache, NULL, RAII_VAR, stasis_app_get_sanitizer(), stasis_cache_dump(), and stasis_message_data().

Referenced by ast_ari_endpoints_list_cb().

{
   RAII_VAR(struct stasis_cache *, cache, NULL, ao2_cleanup);
   RAII_VAR(struct ao2_container *, snapshots, NULL, ao2_cleanup);
   RAII_VAR(struct ast_json *, json, NULL, ast_json_unref);
   struct ao2_iterator i;
   void *obj;

   cache = ast_endpoint_cache();
   if (!cache) {
      ast_ari_response_error(
         response, 500, "Internal Server Error",
         "Message bus not initialized");
      return;
   }
   ao2_ref(cache, +1);

   snapshots = stasis_cache_dump(cache, ast_endpoint_snapshot_type());
   if (!snapshots) {
      ast_ari_response_alloc_failed(response);
      return;
   }

   json = ast_json_array_create();
   if (!json) {
      ast_ari_response_alloc_failed(response);
      return;
   }

   i = ao2_iterator_init(snapshots, 0);
   while ((obj = ao2_iterator_next(&i))) {
      RAII_VAR(struct stasis_message *, msg, obj, ao2_cleanup);
      struct ast_endpoint_snapshot *snapshot = stasis_message_data(msg);
      struct ast_json *json_endpoint = ast_endpoint_snapshot_to_json(snapshot, stasis_app_get_sanitizer());

      if (!json_endpoint || ast_json_array_append(json, json_endpoint)) {
         ao2_iterator_destroy(&i);
         ast_ari_response_alloc_failed(response);
         return;
      }
   }
   ao2_iterator_destroy(&i);

   ast_ari_response_ok(response, ast_json_ref(json));
}

ast_ari_endpoints_list_by_tech()

void ast_ari_endpoints_list_by_tech	(	struct ast_variable *	headers,
		struct ast_ari_endpoints_list_by_tech_args *	args,
		struct ast_ari_response *	response
	)

List available endoints for a given endpoint technology.

Parameters

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

Definition at line 85 of file resource_endpoints.c.

References ao2_cleanup, ao2_iterator_destroy(), ao2_iterator_init(), ao2_iterator_next, ao2_ref, ast_ari_response_alloc_failed(), ast_ari_response_error(), ast_ari_response_ok(), ast_endpoint_cache(), ast_endpoint_find_by_id(), ast_endpoint_snapshot_to_json(), ast_endpoint_snapshot_type(), ast_json_array_append(), ast_json_array_create(), ast_json_ref(), ast_json_unref(), cache, NULL, RAII_VAR, stasis_app_get_sanitizer(), stasis_cache_dump(), stasis_message_data(), ast_endpoint_snapshot::tech, and ast_ari_endpoints_list_by_tech_args::tech.

Referenced by ast_ari_endpoints_list_by_tech_cb().

{
   RAII_VAR(struct stasis_cache *, cache, NULL, ao2_cleanup);
   RAII_VAR(struct ao2_container *, snapshots, NULL, ao2_cleanup);
   RAII_VAR(struct ast_json *, json, NULL, ast_json_unref);
   struct ast_endpoint *tech_endpoint;
   struct ao2_iterator i;
   void *obj;

   tech_endpoint = ast_endpoint_find_by_id(args->tech);
   if (!tech_endpoint) {
      ast_ari_response_error(response, 404, "Not Found",
                   "No Endpoints found - invalid tech %s", args->tech);
      return;
   }
   ao2_ref(tech_endpoint, -1);

   cache = ast_endpoint_cache();
   if (!cache) {
      ast_ari_response_error(
         response, 500, "Internal Server Error",
         "Message bus not initialized");
      return;
   }
   ao2_ref(cache, +1);

   snapshots = stasis_cache_dump(cache, ast_endpoint_snapshot_type());
   if (!snapshots) {
      ast_ari_response_alloc_failed(response);
      return;
   }

   json = ast_json_array_create();
   if (!json) {
      ast_ari_response_alloc_failed(response);
      return;
   }

   i = ao2_iterator_init(snapshots, 0);
   while ((obj = ao2_iterator_next(&i))) {
      RAII_VAR(struct stasis_message *, msg, obj, ao2_cleanup);
      struct ast_endpoint_snapshot *snapshot = stasis_message_data(msg);
      struct ast_json *json_endpoint;
      int r;

      if (strcasecmp(args->tech, snapshot->tech) != 0) {
         continue;
      }

      json_endpoint = ast_endpoint_snapshot_to_json(snapshot, stasis_app_get_sanitizer());
      if (!json_endpoint) {
         continue;
      }

      r = ast_json_array_append(
         json, json_endpoint);
      if (r != 0) {
         ao2_iterator_destroy(&i);
         ast_ari_response_alloc_failed(response);
         return;
      }
   }
   ao2_iterator_destroy(&i);
   ast_ari_response_ok(response, ast_json_ref(json));
}

ast_ari_endpoints_send_message()

void ast_ari_endpoints_send_message	(	struct ast_variable *	headers,
		struct ast_ari_endpoints_send_message_args *	args,
		struct ast_ari_response *	response
	)

Send a message to some technology URI or endpoint.

Parameters

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

Definition at line 255 of file resource_endpoints.c.

References ast_ari_endpoints_send_message_parse_body(), ast_json_object_get(), ast_variables_destroy(), ast_ari_endpoints_send_message_args::body, ast_ari_endpoints_send_message_args::from, json_to_ast_variables(), NULL, send_message(), ast_ari_endpoints_send_message_args::to, and ast_ari_endpoints_send_message_args::variables.

Referenced by ast_ari_endpoints_send_message_cb().

{
   struct ast_variable *variables = NULL;

   if (args->variables) {
      struct ast_json *json_variables;

      ast_ari_endpoints_send_message_parse_body(args->variables, args);
      json_variables = ast_json_object_get(args->variables, "variables");
      if (json_variables
         && json_to_ast_variables(response, json_variables, &variables)) {
         return;
      }
   }

   send_message(args->to, args->from, args->body, variables, response);
   ast_variables_destroy(variables);
}

ast_ari_endpoints_send_message_to_endpoint()

void ast_ari_endpoints_send_message_to_endpoint	(	struct ast_variable *	headers,
		struct ast_ari_endpoints_send_message_to_endpoint_args *	args,
		struct ast_ari_response *	response
	)

Send a message to some endpoint in a technology.

Parameters

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

Definition at line 276 of file resource_endpoints.c.

References ao2_ref, ast_ari_endpoints_send_message_to_endpoint_parse_body(), ast_ari_response_error(), ast_endpoint_latest_snapshot(), ast_json_object_get(), ast_str_to_lower(), ast_strdupa, ast_variables_destroy(), ast_ari_endpoints_send_message_to_endpoint_args::body, ast_ari_endpoints_send_message_to_endpoint_args::from, json_to_ast_variables(), NULL, ast_ari_endpoints_send_message_to_endpoint_args::resource, send_message(), ast_endpoint_snapshot::tech, ast_ari_endpoints_send_message_to_endpoint_args::tech, and ast_ari_endpoints_send_message_to_endpoint_args::variables.

Referenced by ast_ari_endpoints_send_message_to_endpoint_cb().

{
   struct ast_variable *variables = NULL;
   struct ast_endpoint_snapshot *snapshot;
   char msg_to[128];
   char *tech = ast_strdupa(args->tech);

   /* Really, we just want to know if this thing exists */
   snapshot = ast_endpoint_latest_snapshot(args->tech, args->resource);
   if (!snapshot) {
      ast_ari_response_error(response, 404, "Not Found",
         "Endpoint not found");
      return;
   }
   ao2_ref(snapshot, -1);

   if (args->variables) {
      struct ast_json *json_variables;

      ast_ari_endpoints_send_message_to_endpoint_parse_body(args->variables, args);
      json_variables = ast_json_object_get(args->variables, "variables");
      if (json_variables
         && json_to_ast_variables(response, json_variables, &variables)) {
         return;
      }
   }

   snprintf(msg_to, sizeof(msg_to), "%s:%s", ast_str_to_lower(tech), args->resource);

   send_message(msg_to, args->from, args->body, variables, response);
   ast_variables_destroy(variables);
}

json_to_ast_variables()

static int json_to_ast_variables ( struct ast_ari_response *  response, struct ast_json *  json_variables, struct ast_variable **  variables  )

static

Definition at line 234 of file resource_endpoints.c.

References ast_ari_response_alloc_failed(), ast_ari_response_error(), ast_json_to_ast_variables(), AST_JSON_TO_AST_VARS_CODE_INVALID_TYPE, AST_JSON_TO_AST_VARS_CODE_OOM, AST_JSON_TO_AST_VARS_CODE_SUCCESS, ast_log, and AST_LOG_ERROR.

Referenced by ast_ari_endpoints_send_message(), and ast_ari_endpoints_send_message_to_endpoint().

{
   enum ast_json_to_ast_vars_code res;

   res = ast_json_to_ast_variables(json_variables, variables);
   switch (res) {
   case AST_JSON_TO_AST_VARS_CODE_SUCCESS:
      return 0;
   case AST_JSON_TO_AST_VARS_CODE_INVALID_TYPE:
      ast_ari_response_error(response, 400, "Bad Request",
         "Only string values in the 'variables' object allowed");
      break;
   case AST_JSON_TO_AST_VARS_CODE_OOM:
      ast_ari_response_alloc_failed(response);
      break;
   }
   ast_log(AST_LOG_ERROR, "Unable to convert 'variables' in JSON body to Asterisk variables\n");

   return -1;
}

send_message()

static void send_message ( const char *  to, const char *  from, const char *  body, struct ast_variable *  variables, struct ast_ari_response *  response  )

static

Definition at line 176 of file resource_endpoints.c.

References ast_ari_response_alloc_failed(), ast_ari_response_error(), ast_json_null(), ast_msg_alloc(), ast_msg_destroy(), ast_msg_send(), ast_msg_set_body(), ast_msg_set_from(), ast_msg_set_to(), ast_msg_set_var_outbound(), ast_strlen_zero, ast_ari_response::message, ast_variable::name, ast_variable::next, ast_ari_response::response_code, ast_ari_response::response_text, and ast_variable::value.

Referenced by ast_ari_endpoints_send_message(), and ast_ari_endpoints_send_message_to_endpoint().

{
   struct ast_variable *current;
   struct ast_msg *msg;
   int res = 0;

   if (ast_strlen_zero(to)) {
      ast_ari_response_error(response, 400, "Bad Request",
         "To must be specified");
      return;
   }

   msg = ast_msg_alloc();
   if (!msg) {
      ast_ari_response_alloc_failed(response);
      return;
   }

   res |= ast_msg_set_from(msg, "%s", from);
   res |= ast_msg_set_to(msg, "%s", to);

   if (!ast_strlen_zero(body)) {
      res |= ast_msg_set_body(msg, "%s", body);
   }

   for (current = variables; current; current = current->next) {
      res |= ast_msg_set_var_outbound(msg, current->name, current->value);
   }

   if (res) {
      ast_ari_response_alloc_failed(response);
      ast_msg_destroy(msg);
      return;
   }

   if (ast_msg_send(msg, to, from)) {
      ast_ari_response_error(response, 404, "Not Found",
         "Endpoint not found");
      return;
   }

   response->message = ast_json_null();
   response->response_code = 202;
   response->response_text = "Accepted";
}