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| 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_ */ | |
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Chromium Code Reviews
Issue 1531573008:
move libevent into base (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master