diff options
Diffstat (limited to 'include/afb/afb-req-itf.h')
| -rw-r--r-- | include/afb/afb-req-itf.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/include/afb/afb-req-itf.h b/include/afb/afb-req-itf.h new file mode 100644 index 00000000..a8980ffc --- /dev/null +++ b/include/afb/afb-req-itf.h @@ -0,0 +1,175 @@ +/* + * Copyright (C) 2016 "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 + +struct json_object; + +struct afb_arg { + const char *name; + const char *value; + const char *path; +}; + +struct afb_req_itf { + 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); +}; + +struct afb_req { + const struct afb_req_itf *itf; + void *closure; +}; + +static inline struct afb_arg afb_req_get(struct afb_req req, const char *name) +{ + return req.itf->get(req.closure, name); +} + +static inline const char *afb_req_value(struct afb_req req, const char *name) +{ + return afb_req_get(req, name).value; +} + +static inline const char *afb_req_path(struct afb_req req, const char *name) +{ + return afb_req_get(req, name).path; +} + +static inline struct json_object *afb_req_json(struct afb_req req) +{ + return req.itf->json(req.closure); +} + +static inline void afb_req_success(struct afb_req req, struct json_object *obj, const char *info) +{ + req.itf->success(req.closure, obj, info); +} + +static inline void afb_req_fail(struct afb_req req, const char *status, const char *info) +{ + req.itf->fail(req.closure, status, info); +} + +static inline const char *afb_req_raw(struct afb_req req, size_t *size) +{ + return req.itf->raw(req.closure, size); +} + +static inline void afb_req_send(struct afb_req req, const char *buffer, size_t size) +{ + req.itf->send(req.closure, buffer, size); +} + +static inline void *afb_req_context_get(struct afb_req req) +{ + return req.itf->context_get(req.closure); +} + +static inline void afb_req_context_set(struct afb_req req, void *value, void (*free_value)(void*)) +{ + return req.itf->context_set(req.closure, value, free_value); +} + +static inline void afb_req_context_clear(struct afb_req req) +{ + afb_req_context_set(req, NULL, NULL); +} + +static inline void afb_req_addref(struct afb_req req) +{ + return req.itf->addref(req.closure); +} + +static inline void afb_req_unref(struct afb_req req) +{ + return req.itf->unref(req.closure); +} + +#include <stdlib.h> + +static inline struct afb_req *afb_req_store(struct afb_req req) +{ + struct afb_req *result = malloc(sizeof *result); + if (result != NULL) { + *result = req; + afb_req_addref(req); + } + return result; +} + +static inline struct afb_req afb_req_unstore(struct afb_req *req) +{ + struct afb_req result = *req; + free(req); + afb_req_unref(result); + return result; +} + +#if !defined(_GNU_SOURCE) +# error "_GNU_SOURCE must be defined for using vasprintf" +#endif + +#include <stdarg.h> +#include <stdio.h> + +static inline void afb_req_fail_v(struct afb_req req, const char *status, const char *info, va_list args) +{ + char *message; + if (info == NULL || vasprintf(&message, info, args) < 0) + message = NULL; + afb_req_fail(req, status, message); + free(message); +} + +static inline void afb_req_fail_f(struct afb_req req, const char *status, const char *info, ...) +{ + va_list args; + va_start(args, info); + afb_req_fail_v(req, status, info, args); + va_end(args); +} + +static inline void afb_req_success_v(struct afb_req req, struct json_object *obj, const char *info, va_list args) +{ + char *message; + if (info == NULL || vasprintf(&message, info, args) < 0) + message = NULL; + afb_req_success(req, obj, message); + free(message); +} + +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); + afb_req_success_v(req, obj, info, args); + va_end(args); +} + |