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Annotation of embedaddon/libevent/evrpc-internal.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (c) 2006 Niels Provos <provos@citi.umich.edu>
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. The name of the author may not be used to endorse or promote products
        !            14:  *    derived from this software without specific prior written permission.
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            18:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            19:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            20:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            21:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            22:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            23:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            24:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            25:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            26:  */
        !            27: #ifndef _EVRPC_INTERNAL_H_
        !            28: #define _EVRPC_INTERNAL_H_
        !            29: 
        !            30: #include "http-internal.h"
        !            31: 
        !            32: struct evrpc;
        !            33: 
        !            34: #define EVRPC_URI_PREFIX "/.rpc."
        !            35: 
        !            36: struct evrpc_hook {
        !            37:        TAILQ_ENTRY(evrpc_hook) (next);
        !            38: 
        !            39:        /* returns -1; if the rpc should be aborted, is allowed to rewrite */
        !            40:        int (*process)(struct evhttp_request *, struct evbuffer *, void *);
        !            41:        void *process_arg;
        !            42: };
        !            43: 
        !            44: TAILQ_HEAD(evrpc_hook_list, evrpc_hook);
        !            45: 
        !            46: /*
        !            47:  * this is shared between the base and the pool, so that we can reuse
        !            48:  * the hook adding functions; we alias both evrpc_pool and evrpc_base
        !            49:  * to this common structure.
        !            50:  */
        !            51: struct _evrpc_hooks {
        !            52:        /* hooks for processing outbound and inbound rpcs */
        !            53:        struct evrpc_hook_list in_hooks;
        !            54:        struct evrpc_hook_list out_hooks;
        !            55: };
        !            56: 
        !            57: #define input_hooks common.in_hooks
        !            58: #define output_hooks common.out_hooks
        !            59: 
        !            60: struct evrpc_base {
        !            61:        struct _evrpc_hooks common;
        !            62: 
        !            63:        /* the HTTP server under which we register our RPC calls */
        !            64:        struct evhttp* http_server;
        !            65: 
        !            66:        /* a list of all RPCs registered with us */
        !            67:        TAILQ_HEAD(evrpc_list, evrpc) registered_rpcs;
        !            68: };
        !            69: 
        !            70: struct evrpc_req_generic;
        !            71: void evrpc_reqstate_free(struct evrpc_req_generic* rpc_state);
        !            72: 
        !            73: /* A pool for holding evhttp_connection objects */
        !            74: struct evrpc_pool {
        !            75:        struct _evrpc_hooks common;
        !            76: 
        !            77:        struct event_base *base;
        !            78: 
        !            79:        struct evconq connections;
        !            80: 
        !            81:        int timeout;
        !            82: 
        !            83:        TAILQ_HEAD(evrpc_requestq, evrpc_request_wrapper) requests;
        !            84: };
        !            85: 
        !            86: 
        !            87: #endif /* _EVRPC_INTERNAL_H_ */