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Diffstat (limited to 'libevent/evrpc-internal.h')
-rw-r--r-- | libevent/evrpc-internal.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/libevent/evrpc-internal.h b/libevent/evrpc-internal.h new file mode 100644 index 00000000000..c900f959f97 --- /dev/null +++ b/libevent/evrpc-internal.h @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2006 Niels Provos <provos@citi.umich.edu> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef _EVRPC_INTERNAL_H_ +#define _EVRPC_INTERNAL_H_ + +#include "http-internal.h" + +struct evrpc; + +#define EVRPC_URI_PREFIX "/.rpc." + +struct evrpc_hook { + TAILQ_ENTRY(evrpc_hook) (next); + + /* returns -1; if the rpc should be aborted, is allowed to rewrite */ + int (*process)(struct evhttp_request *, struct evbuffer *, void *); + void *process_arg; +}; + +TAILQ_HEAD(evrpc_hook_list, evrpc_hook); + +/* + * this is shared between the base and the pool, so that we can reuse + * the hook adding functions; we alias both evrpc_pool and evrpc_base + * to this common structure. + */ +struct _evrpc_hooks { + /* hooks for processing outbound and inbound rpcs */ + struct evrpc_hook_list in_hooks; + struct evrpc_hook_list out_hooks; +}; + +#define input_hooks common.in_hooks +#define output_hooks common.out_hooks + +struct evrpc_base { + struct _evrpc_hooks common; + + /* the HTTP server under which we register our RPC calls */ + struct evhttp* http_server; + + /* a list of all RPCs registered with us */ + TAILQ_HEAD(evrpc_list, evrpc) registered_rpcs; +}; + +struct evrpc_req_generic; +void evrpc_reqstate_free(struct evrpc_req_generic* rpc_state); + +/* A pool for holding evhttp_connection objects */ +struct evrpc_pool { + struct _evrpc_hooks common; + + struct event_base *base; + + struct evconq connections; + + int timeout; + + TAILQ_HEAD(evrpc_requestq, evrpc_request_wrapper) requests; +}; + + +#endif /* _EVRPC_INTERNAL_H_ */ |