#pragma once
-#if !defined(_GNU_SOURCE)
-# error "_GNU_SOURCE must be defined for using vasprintf"
-#endif
+#pragma GCC warning "\n\n\
+ This header file <afb/afb-req-itf.h> is OBSOLETE.\n\
+ It is provided for COMPATIBILITY ONLY.\n\n\
+ Please USE <afb/afb-binding.h> and ADAPT YOUR CODE to new names.\n"
-#include <stdlib.h>
-#include <stdarg.h>
-#include <stdio.h>
-
-#include <afb/afb-event-itf.h>
-
-/* avoid inclusion of <json-c/json.h> */
-struct json_object;
-
-/*
- * Describes an argument (or parameter) of a request
- */
-struct afb_arg {
- const char *name; /* name of the argument or NULL if invalid */
- const char *value; /* string representation of the value of the argument */
- /* original filename of the argument if path != NULL */
- const char *path; /* if not NULL, path of the received file for the argument */
- /* when the request is finalized this file is removed */
-};
-
-/*
- * Interface for handling requests.
- * It records the functions to be called for the request.
- * Don't use this structure directly.
- * Use the helper functions documented below.
- */
-struct afb_req_itf {
- /* CAUTION: respect the order, add at the end */
-
- struct json_object *(*json)(void *closure);
- struct afb_arg (*get)(void *closure, const char *name);
-
- void (*success)(void *closure, struct json_object *obj, const char *info);
- void (*fail)(void *closure, const char *status, const char *info);
-
- const char *(*raw)(void *closure, size_t *size);
- void (*send)(void *closure, const char *buffer, size_t size);
-
- void *(*context_get)(void *closure);
- void (*context_set)(void *closure, void *value, void (*free_value)(void*));
-
- void (*addref)(void *closure);
- void (*unref)(void *closure);
-
- void (*session_close)(void *closure);
- int (*session_set_LOA)(void *closure, unsigned level);
-
- int (*subscribe)(void *closure, struct afb_event event);
- int (*unsubscribe)(void *closure, struct afb_event event);
-
- void (*subcall)(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure);
-};
-
-/*
- * Describes the request by bindings from afb-daemon
- */
-struct afb_req {
- const struct afb_req_itf *itf; /* the interface to use */
- void *closure; /* the closure argument for functions of 'itf' */
-};
-
-/*
- * Checks wether the request 'req' is valid or not.
- *
- * Returns 0 if not valid or 1 if valid.
- */
-static inline int afb_req_is_valid(struct afb_req req)
-{
- return req.itf != NULL;
-}
-
-/*
- * Gets from the request 'req' the argument of 'name'.
- * Returns a PLAIN structure of type 'struct afb_arg'.
- * When the argument of 'name' is not found, all fields of result are set to NULL.
- * When the argument of 'name' is found, the fields are filled,
- * in particular, the field 'result.name' is set to 'name'.
- *
- * There is a special name value: the empty string.
- * The argument of name "" is defined only if the request was made using
- * an HTTP POST of Content-Type "application/json". In that case, the
- * argument of name "" receives the value of the body of the HTTP request.
- */
-static inline struct afb_arg afb_req_get(struct afb_req req, const char *name)
-{
- return req.itf->get(req.closure, name);
-}
-
-/*
- * Gets from the request 'req' the string value of the argument of 'name'.
- * Returns NULL if when there is no argument of 'name'.
- * Returns the value of the argument of 'name' otherwise.
- *
- * Shortcut for: afb_req_get(req, name).value
- */
-static inline const char *afb_req_value(struct afb_req req, const char *name)
-{
- return afb_req_get(req, name).value;
-}
-
-/*
- * Gets from the request 'req' the path for file attached to the argument of 'name'.
- * Returns NULL if when there is no argument of 'name' or when there is no file.
- * Returns the path of the argument of 'name' otherwise.
- *
- * Shortcut for: afb_req_get(req, name).path
- */
-static inline const char *afb_req_path(struct afb_req req, const char *name)
-{
- return afb_req_get(req, name).path;
-}
-
-/*
- * Gets from the request 'req' the json object hashing the arguments.
- * The returned object must not be released using 'json_object_put'.
- */
-static inline struct json_object *afb_req_json(struct afb_req req)
-{
- return req.itf->json(req.closure);
-}
-
-/*
- * Sends a reply of kind success to the request 'req'.
- * The status of the reply is automatically set to "success".
- * Its send the object 'obj' (can be NULL) with an
- * informationnal comment 'info (can also be NULL).
- *
- * For convenience, the function calls 'json_object_put' for 'obj'.
- * Thus, in the case where 'obj' should remain available after
- * the function returns, the function 'json_object_get' shall be used.
- */
-static inline void afb_req_success(struct afb_req req, struct json_object *obj, const char *info)
-{
- req.itf->success(req.closure, obj, info);
-}
-
-/*
- * Same as 'afb_req_success' but the 'info' is a formatting
- * string followed by arguments.
- *
- * For convenience, the function calls 'json_object_put' for 'obj'.
- * Thus, in the case where 'obj' should remain available after
- * the function returns, the function 'json_object_get' shall be used.
- */
-static inline void afb_req_success_f(struct afb_req req, struct json_object *obj, const char *info, ...)
-{
- char *message;
- va_list args;
- va_start(args, info);
- if (info == NULL || vasprintf(&message, info, args) < 0)
- message = NULL;
- va_end(args);
- afb_req_success(req, obj, message);
- free(message);
-}
-
-/*
- * Sends a reply of kind failure to the request 'req'.
- * The status of the reply is set to 'status' and an
- * informationnal comment 'info' (can also be NULL) can be added.
- *
- * Note that calling afb_req_fail("success", info) is equivalent
- * to call afb_req_success(NULL, info). Thus even if possible it
- * is strongly recommanded to NEVER use "success" for status.
- *
- * For convenience, the function calls 'json_object_put' for 'obj'.
- * Thus, in the case where 'obj' should remain available after
- * the function returns, the function 'json_object_get' shall be used.
- */
-static inline void afb_req_fail(struct afb_req req, const char *status, const char *info)
-{
- req.itf->fail(req.closure, status, info);
-}
-
-/*
- * Same as 'afb_req_fail' but the 'info' is a formatting
- * string followed by arguments.
- *
- * For convenience, the function calls 'json_object_put' for 'obj'.
- * Thus, in the case where 'obj' should remain available after
- * the function returns, the function 'json_object_get' shall be used.
- */
-static inline void afb_req_fail_f(struct afb_req req, const char *status, const char *info, ...)
-{
- char *message;
- va_list args;
- va_start(args, info);
- if (info == NULL || vasprintf(&message, info, args) < 0)
- message = NULL;
- va_end(args);
- afb_req_fail(req, status, message);
- free(message);
-}
-
-/*
- * Gets the pointer stored by the binding for the session of 'req'.
- * When the binding has not yet recorded a pointer, NULL is returned.
- */
-static inline void *afb_req_context_get(struct afb_req req)
-{
- return req.itf->context_get(req.closure);
-}
-
-/*
- * Stores for the binding the pointer 'context' to the session of 'req'.
- * The function 'free_context' will be called when the session is closed
- * or if binding stores an other pointer.
- */
-static inline void afb_req_context_set(struct afb_req req, void *context, void (*free_context)(void*))
-{
- req.itf->context_set(req.closure, context, free_context);
-}
-
-/*
- * Gets the pointer stored by the binding for the session of 'req'.
- * If the stored pointer is NULL, indicating that no pointer was
- * already stored, afb_req_context creates a new context by calling
- * the function 'create_context' and stores it with the freeing function
- * 'free_context'.
- */
-static inline void *afb_req_context(struct afb_req req, void *(*create_context)(), void (*free_context)(void*))
-{
- void *result = afb_req_context_get(req);
- if (result == NULL) {
- result = create_context();
- afb_req_context_set(req, result, free_context);
- }
- return result;
-}
-
-/*
- * Frees the pointer stored by the binding for the session of 'req'
- * and sets it to NULL.
- *
- * Shortcut for: afb_req_context_set(req, NULL, NULL)
- */
-static inline void afb_req_context_clear(struct afb_req req)
-{
- afb_req_context_set(req, NULL, NULL);
-}
-
-/*
- * Adds one to the count of references of 'req'.
- * This function MUST be called by asynchronous implementations
- * of verbs if no reply was sent before returning.
- */
-static inline void afb_req_addref(struct afb_req req)
-{
- req.itf->addref(req.closure);
-}
-
-/*
- * Substracts one to the count of references of 'req'.
- * This function MUST be called by asynchronous implementations
- * of verbs after sending the asynchronous reply.
- */
-static inline void afb_req_unref(struct afb_req req)
-{
- req.itf->unref(req.closure);
-}
-
-/*
- * Closes the session associated with 'req'
- * and delete all associated contexts.
- */
-static inline void afb_req_session_close(struct afb_req req)
-{
- req.itf->session_close(req.closure);
-}
-
-/*
- * Sets the level of assurance of the session of 'req'
- * to 'level'. The effect of this function is subject of
- * security policies.
- * Returns 1 on success or 0 if failed.
- */
-static inline int afb_req_session_set_LOA(struct afb_req req, unsigned level)
-{
- return req.itf->session_set_LOA(req.closure, level);
-}
-
-/*
- * Stores 'req' on heap for asynchrnous use.
- * Returns a pointer to the stored 'req' or NULL on memory depletion.
- * The count of reference to 'req' is incremented on success
- * (see afb_req_addref).
- */
-static inline struct afb_req *afb_req_store(struct afb_req req)
-{
- struct afb_req *result = (struct afb_req*)malloc(sizeof *result);
- if (result != NULL) {
- *result = req;
- afb_req_addref(req);
- }
- return result;
-}
-
-/*
- * Retrieves the afb_req stored at 'req' and frees the memory.
- * Returns the stored request.
- * The count of reference is UNCHANGED, thus, normally, the
- * function 'afb_req_unref' should be called on the result
- * after that the asynchronous reply if sent.
- */
-static inline struct afb_req afb_req_unstore(struct afb_req *req)
-{
- struct afb_req result = *req;
- free(req);
- return result;
-}
-
-/*
- * Establishes for the client link identified by 'req' a subscription
- * to the 'event'.
- * Returns 0 in case of successful subscription or -1 in case of error.
- */
-static inline int afb_req_subscribe(struct afb_req req, struct afb_event event)
-{
- return req.itf->subscribe(req.closure, event);
-}
-
-/*
- * Revokes the subscription established to the 'event' for the client
- * link identified by 'req'.
- * Returns 0 in case of successful subscription or -1 in case of error.
- */
-static inline int afb_req_unsubscribe(struct afb_req req, struct afb_event event)
-{
- return req.itf->unsubscribe(req.closure, event);
-}
-
-/*
- * Makes a call to the method of name 'api' / 'verb' with the object 'args'.
- * This call is made in the context of the request 'req'.
- * On completion, the function 'callback' is invoked with the
- * 'closure' given at call and two other parameters: 'iserror' and 'result'.
- * 'iserror' is a boolean that indicates if the reply is an error reply.
- * 'result' is the json object of the reply.
- */
-static inline void afb_req_subcall(struct afb_req req, const char *api, const char *verb, struct json_object *args, void (*callback)(void *closure, int iserror, struct json_object *result), void *closure)
-{
- req.itf->subcall(req.closure, api, verb, args, callback, closure);
-}
-
-/* internal use */
-static inline const char *afb_req_raw(struct afb_req req, size_t *size)
-{
- return req.itf->raw(req.closure, size);
-}
-
-/* internal use */
-static inline void afb_req_send(struct afb_req req, const char *buffer, size_t size)
-{
- req.itf->send(req.closure, buffer, size);
-}
+#include "afb-binding.h"
Code Review / src / app-framework-binder.git / blobdiff