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authorJosé Bollo <jose.bollo@iot.bzh>2017-06-02 16:32:44 +0200
committerJosé Bollo <jose.bollo@iot.bzh>2017-06-02 17:05:37 +0200
commitc6380108964e71f533d8c672bb9c217020a95e8d (patch)
tree2b3678d53bee7e55ef8befe113fd7e8744067875 /include
parentd3c80685ed6067f4899635c0328bbd8b70a2ed90 (diff)
Provide efficient store/unstore for afb_req
Change-Id: I231e2506f58227fb8d192df042539b1551a765c5 Signed-off-by: José Bollo <jose.bollo@iot.bzh>
Diffstat (limited to 'include')
-rw-r--r--include/afb/afb-binding-v1.h3
-rw-r--r--include/afb/afb-binding-v2.h3
-rw-r--r--include/afb/afb-binding.h7
-rw-r--r--include/afb/afb-daemon-common.h3
-rw-r--r--include/afb/afb-daemon-v2.h13
-rw-r--r--include/afb/afb-req-common.h400
-rw-r--r--include/afb/afb-req-itf.h413
-rw-r--r--include/afb/afb-req-v1.h52
-rw-r--r--include/afb/afb-req-v2.h32
9 files changed, 516 insertions, 410 deletions
diff --git a/include/afb/afb-binding-v1.h b/include/afb/afb-binding-v1.h
index a36d5e35..f3ccae2f 100644
--- a/include/afb/afb-binding-v1.h
+++ b/include/afb/afb-binding-v1.h
@@ -19,11 +19,12 @@
struct json_object;
-#include "afb-req-itf.h"
+#include "afb-req-common.h"
#include "afb-event-itf.h"
#include "afb-service-common.h"
#include "afb-daemon-common.h"
+#include "afb-req-v1.h"
#include "afb-session-v1.h"
#include "afb-service-v1.h"
#include "afb-daemon-v1.h"
diff --git a/include/afb/afb-binding-v2.h b/include/afb/afb-binding-v2.h
index 66601b23..b1cff27c 100644
--- a/include/afb/afb-binding-v2.h
+++ b/include/afb/afb-binding-v2.h
@@ -20,11 +20,12 @@
#include <stdint.h>
#include "afb-auth.h"
-#include "afb-req-itf.h"
#include "afb-event-itf.h"
+#include "afb-req-common.h"
#include "afb-service-common.h"
#include "afb-daemon-common.h"
+#include "afb-req-v2.h"
#include "afb-session-v2.h"
struct json_object;
diff --git a/include/afb/afb-binding.h b/include/afb/afb-binding.h
index 82f702ec..706ca813 100644
--- a/include/afb/afb-binding.h
+++ b/include/afb/afb-binding.h
@@ -167,6 +167,9 @@ typedef struct afb_service_itf afb_service_itf;
#define afb_service_call afb_service_call_v1
#define afb_service_call_sync afb_service_call_sync_v1
+#define afb_req_store afb_req_store_v1
+#define afb_req_unstore afb_req_unstore_v1
+
#endif
/***************************************************************************************************/
@@ -213,9 +216,13 @@ typedef struct afb_service_itf afb_service_itf;
#define afb_daemon_rootdir_get_fd afb_daemon_rootdir_get_fd_v2
#define afb_daemon_rootdir_open_locale afb_daemon_rootdir_open_locale_v2
#define afb_daemon_queue_job afb_daemon_queue_job_v2
+#define afb_daemon_unstore_req afb_daemon_unstore_req_v2
#define afb_service_call afb_service_call_v2
#define afb_service_call_sync afb_service_call_sync_v2
+#define afb_req_store afb_req_store_v2
+#define afb_req_unstore afb_daemon_unstore_req_v2
+
#endif
diff --git a/include/afb/afb-daemon-common.h b/include/afb/afb-daemon-common.h
index e1308d6d..d3d1b3d3 100644
--- a/include/afb/afb-daemon-common.h
+++ b/include/afb/afb-daemon-common.h
@@ -22,6 +22,8 @@
/* declaration of features of libsystemd */
struct sd_event;
struct sd_bus;
+struct afb_stored_req;
+struct afb_req;
/*
* Definition of the facilities provided by the daemon.
@@ -38,6 +40,7 @@ struct afb_daemon_itf
int (*rootdir_open_locale)(void *closure, const char *filename, int flags, const char *locale);
int (*queue_job)(void *closure, void (*callback)(int signum, void *arg), void *argument, void *group, int timeout);
void (*vverbose_v2)(void*closure, int level, const char *file, int line, const char * func, const char *fmt, va_list args);
+ struct afb_req (*unstore_req)(void*closure, struct afb_stored_req *sreq);
};
/*
diff --git a/include/afb/afb-daemon-v2.h b/include/afb/afb-daemon-v2.h
index 3a3706f1..4c4c656d 100644
--- a/include/afb/afb-daemon-v2.h
+++ b/include/afb/afb-daemon-v2.h
@@ -128,3 +128,16 @@ static inline int afb_daemon_queue_job_v2(void (*callback)(int signum, void *arg
{
return afb_get_daemon_v2().itf->queue_job(afb_get_daemon_v2().closure, callback, argument, group, timeout);
}
+
+/*
+ * Retrieves the afb_req stored at 'sreq'.
+ * Returns the stored request.
+ * The count of reference is UNCHANGED, thus, the
+ * function 'afb_req_unref' should be called on the result
+ * after that the asynchronous reply if sent.
+ */
+static inline struct afb_req afb_daemon_unstore_req_v2(struct afb_stored_req *sreq)
+{
+ return afb_get_daemon_v2().itf->unstore_req(afb_get_daemon_v2().closure, sreq);
+}
+
diff --git a/include/afb/afb-req-common.h b/include/afb/afb-req-common.h
new file mode 100644
index 00000000..8ff1b39b
--- /dev/null
+++ b/include/afb/afb-req-common.h
@@ -0,0 +1,400 @@
+/*
+ * Copyright (C) 2016, 2017 "IoT.bzh"
+ * Author: José Bollo <jose.bollo@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <stdarg.h>
+
+#include "afb-event-itf.h"
+
+struct json_object;
+struct afb_stored_req;
+
+/*
+ * 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);
+
+ void (*vsuccess)(void *closure, struct json_object *obj, const char *fmt, va_list args);
+ void (*vfail)(void *closure, const char *status, const char *fmt, va_list args);
+
+ 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);
+ int (*subcallsync)(void *closure, const char *api, const char *verb, struct json_object *args, struct json_object **result);
+
+ void (*vverbose)(void *closure, int level, const char *file, int line, const char * func, const char *fmt, va_list args);
+ struct afb_stored_req *(*store)(void *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, ...) __attribute__((format(printf, 3, 4)));
+static inline void afb_req_success_f(struct afb_req req, struct json_object *obj, const char *info, ...)
+{
+ va_list args;
+ va_start(args, info);
+ req.itf->vsuccess(req.closure, obj, info, args);
+ va_end(args);
+}
+
+/*
+ * Same as 'afb_req_success_f' but the arguments to the format 'info'
+ * are given as a variable argument list instance.
+ *
+ * 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_v(struct afb_req req, struct json_object *obj, const char *info, va_list args)
+{
+ req.itf->vsuccess(req.closure, obj, info, args);
+}
+
+/*
+ * 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.
+ */
+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.
+ */
+static inline void afb_req_fail_f(struct afb_req req, const char *status, const char *info, ...) __attribute__((format(printf, 3, 4)));
+static inline void afb_req_fail_f(struct afb_req req, const char *status, const char *info, ...)
+{
+ va_list args;
+ va_start(args, info);
+ req.itf->vfail(req.closure, status, info, args);
+ va_end(args);
+}
+
+/*
+ * Same as 'afb_req_fail_f' but the arguments to the format 'info'
+ * are given as a variable argument list instance.
+ */
+static inline void afb_req_fail_v(struct afb_req req, const char *status, const char *info, va_list args)
+{
+ req.itf->vfail(req.closure, status, info, args);
+}
+
+/*
+ * 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);
+}
+
+/*
+ * 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, you must not call json_object_put
+ * on the result.
+ *
+ * For convenience, the function calls 'json_object_put' for 'args'.
+ * Thus, in the case where 'args' should remain available after
+ * the function returns, the function 'json_object_get' shall be used.
+ */
+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);
+}
+
+/*
+ * 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'.
+ * This call is synchronous, it waits untill completion of the request.
+ * It returns 0 on an error answer and returns 1 when no error was detected.
+ * The object pointed by 'result' is filled and must be released by the caller
+ * after its use by calling 'json_object_put'.
+ *
+ * For convenience, the function calls 'json_object_put' for 'args'.
+ * Thus, in the case where 'args' should remain available after
+ * the function returns, the function 'json_object_get' shall be used.
+ */
+static inline int afb_req_subcall_sync(struct afb_req req, const char *api, const char *verb, struct json_object *args, struct json_object **result)
+{
+ return req.itf->subcallsync(req.closure, api, verb, args, result);
+}
+
+/*
+ * Send associated to 'req' a message described by 'fmt' and following parameters
+ * to the journal for the verbosity 'level'.
+ *
+ * 'file', 'line' and 'func' are indicators of position of the code in source files
+ * (see macros __FILE__, __LINE__ and __func__).
+ *
+ * 'level' is defined by syslog standard:
+ * EMERGENCY 0 System is unusable
+ * ALERT 1 Action must be taken immediately
+ * CRITICAL 2 Critical conditions
+ * ERROR 3 Error conditions
+ * WARNING 4 Warning conditions
+ * NOTICE 5 Normal but significant condition
+ * INFO 6 Informational
+ * DEBUG 7 Debug-level messages
+ */
+static inline void afb_req_verbose(struct afb_req req, int level, const char *file, int line, const char * func, const char *fmt, ...) __attribute__((format(printf, 6, 7)));
+static inline void afb_req_verbose(struct afb_req req, int level, const char *file, int line, const char * func, const char *fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+ req.itf->vverbose(req.closure, level, file, line, func, fmt, args);
+ va_end(args);
+}
+
+/* macro for setting file, line and function automatically */
+# if !defined(AFB_BINDING_PRAGMA_NO_VERBOSE_DETAILS)
+#define AFB_REQ_VERBOSE(req,level,...) afb_req_verbose(req,level,__FILE__,__LINE__,__func__,__VA_ARGS__)
+#else
+#define AFB_REQ_VERBOSE(req,level,...) afb_req_verbose(req,level,NULL,0,NULL,__VA_ARGS__)
+#endif
diff --git a/include/afb/afb-req-itf.h b/include/afb/afb-req-itf.h
index dcbbb8a7..bf044f1c 100644
--- a/include/afb/afb-req-itf.h
+++ b/include/afb/afb-req-itf.h
@@ -17,413 +17,10 @@
#pragma once
-#include <stdarg.h>
+#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 "afb-event-itf.h"
+#include "afb-binding.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);
-
- void (*vsuccess)(void *closure, struct json_object *obj, const char *fmt, va_list args);
- void (*vfail)(void *closure, const char *status, const char *fmt, va_list args);
-
- 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);
- int (*subcallsync)(void *closure, const char *api, const char *verb, struct json_object *args, struct json_object **result);
-
- void (*vverbose)(void*closure, int level, const char *file, int line, const char * func, const char *fmt, va_list args);
-};
-
-/*
- * 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, ...) __attribute__((format(printf, 3, 4)));
-static inline void afb_req_success_f(struct afb_req req, struct json_object *obj, const char *info, ...)
-{
- va_list args;
- va_start(args, info);
- req.itf->vsuccess(req.closure, obj, info, args);
- va_end(args);
-}
-
-/*
- * Same as 'afb_req_success_f' but the arguments to the format 'info'
- * are given as a variable argument list instance.
- *
- * 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_v(struct afb_req req, struct json_object *obj, const char *info, va_list args)
-{
- req.itf->vsuccess(req.closure, obj, info, args);
-}
-
-/*
- * 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.
- */
-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.
- */
-static inline void afb_req_fail_f(struct afb_req req, const char *status, const char *info, ...) __attribute__((format(printf, 3, 4)));
-static inline void afb_req_fail_f(struct afb_req req, const char *status, const char *info, ...)
-{
- va_list args;
- va_start(args, info);
- req.itf->vfail(req.closure, status, info, args);
- va_end(args);
-}
-
-/*
- * Same as 'afb_req_fail_f' but the arguments to the format 'info'
- * are given as a variable argument list instance.
- */
-static inline void afb_req_fail_v(struct afb_req req, const char *status, const char *info, va_list args)
-{
- req.itf->vfail(req.closure, status, info, args);
-}
-
-/*
- * 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, you must not call json_object_put
- * on the result.
- *
- * For convenience, the function calls 'json_object_put' for 'args'.
- * Thus, in the case where 'args' should remain available after
- * the function returns, the function 'json_object_get' shall be used.
- */
-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);
-}
-
-/*
- * 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'.
- * This call is synchronous, it waits untill completion of the request.
- * It returns 0 on an error answer and returns 1 when no error was detected.
- * The object pointed by 'result' is filled and must be released by the caller
- * after its use by calling 'json_object_put'.
- *
- * For convenience, the function calls 'json_object_put' for 'args'.
- * Thus, in the case where 'args' should remain available after
- * the function returns, the function 'json_object_get' shall be used.
- */
-static inline int afb_req_subcall_sync(struct afb_req req, const char *api, const char *verb, struct json_object *args, struct json_object **result)
-{
- return req.itf->subcallsync(req.closure, api, verb, args, result);
-}
-
-/*
- * Send associated to 'req' a message described by 'fmt' and following parameters
- * to the journal for the verbosity 'level'.
- *
- * 'file', 'line' and 'func' are indicators of position of the code in source files
- * (see macros __FILE__, __LINE__ and __func__).
- *
- * 'level' is defined by syslog standard:
- * EMERGENCY 0 System is unusable
- * ALERT 1 Action must be taken immediately
- * CRITICAL 2 Critical conditions
- * ERROR 3 Error conditions
- * WARNING 4 Warning conditions
- * NOTICE 5 Normal but significant condition
- * INFO 6 Informational
- * DEBUG 7 Debug-level messages
- */
-static inline void afb_req_verbose(struct afb_req req, int level, const char *file, int line, const char * func, const char *fmt, ...) __attribute__((format(printf, 6, 7)));
-static inline void afb_req_verbose(struct afb_req req, int level, const char *file, int line, const char * func, const char *fmt, ...)
-{
- va_list args;
- va_start(args, fmt);
- req.itf->vverbose(req.closure, level, file, line, func, fmt, args);
- va_end(args);
-}
-
-/* macro for setting file, line and function automatically */
-# if !defined(AFB_BINDING_PRAGMA_NO_VERBOSE_DETAILS)
-#define AFB_REQ_VERBOSE(req,level,...) afb_req_verbose(req,level,__FILE__,__LINE__,__func__,__VA_ARGS__)
-#else
-#define AFB_REQ_VERBOSE(req,level,...) afb_req_verbose(req,level,NULL,0,NULL,__VA_ARGS__)
-#endif
diff --git a/include/afb/afb-req-v1.h b/include/afb/afb-req-v1.h
new file mode 100644
index 00000000..03b4ee68
--- /dev/null
+++ b/include/afb/afb-req-v1.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2016, 2017 "IoT.bzh"
+ * Author: José Bollo <jose.bollo@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <stdlib.h>
+#include "afb-req-common.h"
+
+/*
+ * 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_v1(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_v1(struct afb_req *req)
+{
+ struct afb_req result = *req;
+ free(req);
+ return result;
+}
+
diff --git a/include/afb/afb-req-v2.h b/include/afb/afb-req-v2.h
new file mode 100644
index 00000000..fe94e898
--- /dev/null
+++ b/include/afb/afb-req-v2.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2016, 2017 "IoT.bzh"
+ * Author: José Bollo <jose.bollo@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "afb-req-common.h"
+
+/*
+ * Stores 'req' on heap for asynchrnous use.
+ * Returns a handler 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_stored_req *afb_req_store_v2(struct afb_req req)
+{
+ return req.itf->store(req.closure);
+}
+