mirror of
https://github.com/openvswitch/ovs
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84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
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/*
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* Copyright (c) 2009 Nicira Networks.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef JSONRPC_H
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#define JSONRPC_H 1
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/* This is an implementation of the JSON-RPC 1.0 specification defined at
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* http://json-rpc.org/wiki/specification. */
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#include <stdbool.h>
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#include <stddef.h>
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struct json;
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struct jsonrpc_msg;
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struct stream;
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/* API for a JSON-RPC stream. */
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struct jsonrpc *jsonrpc_open(struct stream *);
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void jsonrpc_close(struct jsonrpc *);
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void jsonrpc_run(struct jsonrpc *);
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void jsonrpc_wait(struct jsonrpc *);
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void jsonrpc_error(struct jsonrpc *, int error);
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int jsonrpc_get_status(const struct jsonrpc *);
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size_t jsonrpc_get_backlog(const struct jsonrpc *);
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const char *jsonrpc_get_name(const struct jsonrpc *);
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int jsonrpc_send(struct jsonrpc *, struct jsonrpc_msg *);
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int jsonrpc_recv(struct jsonrpc *, struct jsonrpc_msg **);
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void jsonrpc_recv_wait(struct jsonrpc *);
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int jsonrpc_send_block(struct jsonrpc *, struct jsonrpc_msg *);
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int jsonrpc_recv_block(struct jsonrpc *, struct jsonrpc_msg **);
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/* Messages. */
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enum jsonrpc_msg_type {
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JSONRPC_REQUEST, /* Request. */
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JSONRPC_NOTIFY, /* Notification. */
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JSONRPC_REPLY, /* Successful reply. */
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JSONRPC_ERROR /* Error reply. */
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};
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struct jsonrpc_msg {
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enum jsonrpc_msg_type type;
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char *method; /* Request or notification only. */
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struct json *params; /* Request or notification only. */
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struct json *result; /* Successful reply only. */
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struct json *error; /* Error reply only. */
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struct json *id; /* Request or reply only. */
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};
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struct jsonrpc_msg *jsonrpc_create_request(const char *method,
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struct json *params);
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struct jsonrpc_msg *jsonrpc_create_notify(const char *method,
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struct json *params);
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struct jsonrpc_msg *jsonrpc_create_reply(struct json *result,
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const struct json *id);
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struct jsonrpc_msg *jsonrpc_create_error(struct json *error,
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const struct json *id);
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const char *jsonrpc_msg_type_to_string(enum jsonrpc_msg_type);
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char *jsonrpc_msg_is_valid(const struct jsonrpc_msg *);
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void jsonrpc_msg_destroy(struct jsonrpc_msg *);
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char *jsonrpc_msg_from_json(struct json *, struct jsonrpc_msg **);
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struct json *jsonrpc_msg_to_json(struct jsonrpc_msg *);
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#endif /* jsonrpc.h */
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