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Diffstat (limited to 'include/afb/afb-request-itf.h')
-rw-r--r-- | include/afb/afb-request-itf.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/include/afb/afb-request-itf.h b/include/afb/afb-request-itf.h new file mode 100644 index 00000000..f28788ee --- /dev/null +++ b/include/afb/afb-request-itf.h @@ -0,0 +1,167 @@ +/* + * 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); +}; + |