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-rw-r--r--include/afb/afb-request-itf.h167
1 files changed, 167 insertions, 0 deletions
diff --git a/include/afb/afb-request-itf.h b/include/afb/afb-request-itf.h
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+++ b/include/afb/afb-request-itf.h
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+/*
+ * 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
+
+/* defined here */
+struct afb_arg;
+struct afb_request;
+struct afb_request_itf;
+
+/* referenced here */
+#include <stdarg.h>
+struct json_object;
+struct afb_req;
+struct afb_event;
+struct afb_eventid;
+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 */
+};
+
+struct afb_request
+{
+ const struct afb_request_itf *itf;
+};
+
+/*
+ * Interface for handling requests.
+ * It records the functions to be called for the request.
+ * Don't use this structure directly.
+ * Use the helper functions
+ */
+struct afb_request_itf
+{
+ /* CAUTION: respect the order, add at the end */
+
+ struct json_object *(*json)(
+ struct afb_request *request);
+
+ struct afb_arg (*get)(
+ struct afb_request *request,
+ const char *name);
+
+ void (*success)(
+ struct afb_request *request,
+ struct json_object *obj,
+ const char *info);
+
+ void (*fail)(
+ struct afb_request *request,
+ const char *status,
+ const char *info);
+
+ void (*vsuccess)(
+ struct afb_request *request,
+ struct json_object *obj,
+ const char *fmt,
+ va_list args);
+
+ void (*vfail)(
+ struct afb_request *request,
+ const char *status,
+ const char *fmt,
+ va_list args);
+
+ void *(*context_get)(
+ struct afb_request *request);
+
+ void (*context_set)(
+ struct afb_request *request,
+ void *value,
+ void (*free_value)(void*));
+
+ void (*addref)(
+ struct afb_request *request);
+
+ void (*unref)(
+ struct afb_request *request);
+
+ void (*session_close)(
+ struct afb_request *request);
+
+ int (*session_set_LOA)(
+ struct afb_request *request,
+ unsigned level);
+
+ int (*subscribe)(
+ struct afb_request *request,
+ struct afb_event event);
+
+ int (*unsubscribe)(
+ struct afb_request *request,
+ struct afb_event event);
+
+ void (*subcall)(
+ struct afb_request *request,
+ const char *api,
+ const char *verb,
+ struct json_object *args,
+ void (*callback)(void*, int, struct json_object*),
+ void *cb_closure);
+
+ int (*subcallsync)(
+ struct afb_request *request,
+ const char *api,
+ const char *verb,
+ struct json_object *args,
+ struct json_object **result);
+
+ void (*vverbose)(
+ struct afb_request *request,
+ int level,
+ const char *file,
+ int line,
+ const char * func,
+ const char *fmt,
+ va_list args);
+
+ struct afb_stored_req *(*store)(
+ struct afb_request *request);
+
+ void (*subcall_req)(
+ struct afb_request *request,
+ const char *api,
+ const char *verb,
+ struct json_object *args,
+ void (*callback)(void*, int, struct json_object*, struct afb_req),
+ void *cb_closure);
+
+ int (*has_permission)(
+ struct afb_request *request,
+ const char *permission);
+
+ char *(*get_application_id)(
+ struct afb_request *request);
+
+ void *(*context_make)(
+ struct afb_request *request,
+ int replace,
+ void *(*create_value)(void *creation_closure),
+ void (*free_value)(void*),
+ void *creation_closure);
+};
+