diff options
Diffstat (limited to 'libs/libevent/src/evrpc-internal.h')
| -rw-r--r-- | libs/libevent/src/evrpc-internal.h | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/libs/libevent/src/evrpc-internal.h b/libs/libevent/src/evrpc-internal.h deleted file mode 100644 index 9eb376386d..0000000000 --- a/libs/libevent/src/evrpc-internal.h +++ /dev/null @@ -1,205 +0,0 @@ -/* - * Copyright (c) 2006-2007 Niels Provos <provos@citi.umich.edu> - * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson - * - * 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_INCLUDED_ -#define EVRPC_INTERNAL_H_INCLUDED_ - -#include "event2/http.h" -#include "http-internal.h" - -struct evrpc; -struct evrpc_request_wrapper; - -#define EVRPC_URI_PREFIX "/.rpc." - -struct evrpc_hook { - TAILQ_ENTRY(evrpc_hook) next; - - /* returns EVRPC_TERMINATE; if the rpc should be aborted. - * a hook is is allowed to rewrite the evbuffer - */ - int (*process)(void *, 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_hook_ctx; -TAILQ_HEAD(evrpc_pause_list, evrpc_hook_ctx); - -struct evrpc_hooks_ { - /* hooks for processing outbound and inbound rpcs */ - struct evrpc_hook_list in_hooks; - struct evrpc_hook_list out_hooks; - - struct evrpc_pause_list pause_requests; -}; - -#define input_hooks common.in_hooks -#define output_hooks common.out_hooks -#define paused_requests common.pause_requests - -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); -}; - -struct evrpc_hook_ctx { - TAILQ_ENTRY(evrpc_hook_ctx) next; - - void *ctx; - void (*cb)(void *, enum EVRPC_HOOK_RESULT); -}; - -struct evrpc_meta { - TAILQ_ENTRY(evrpc_meta) next; - char *key; - - void *data; - size_t data_size; -}; - -TAILQ_HEAD(evrpc_meta_list, evrpc_meta); - -struct evrpc_hook_meta { - struct evrpc_meta_list meta_data; - struct evhttp_connection *evcon; -}; - -/* allows association of meta data with a request */ -static void evrpc_hook_associate_meta_(struct evrpc_hook_meta **pctx, - struct evhttp_connection *evcon); - -/* creates a new meta data store */ -static struct evrpc_hook_meta *evrpc_hook_meta_new_(void); - -/* frees the meta data associated with a request */ -static void evrpc_hook_context_free_(struct evrpc_hook_meta *ctx); - -/* the server side of an rpc */ - -/* We alias the RPC specific structs to this voided one */ -struct evrpc_req_generic { - /* - * allows association of meta data via hooks - needs to be - * synchronized with evrpc_request_wrapper - */ - struct evrpc_hook_meta *hook_meta; - - /* the unmarshaled request object */ - void *request; - - /* the empty reply object that needs to be filled in */ - void *reply; - - /* - * the static structure for this rpc; that can be used to - * automatically unmarshal and marshal the http buffers. - */ - struct evrpc *rpc; - - /* - * the http request structure on which we need to answer. - */ - struct evhttp_request* http_req; - - /* - * Temporary data store for marshaled data - */ - struct evbuffer* rpc_data; -}; - -/* the client side of an rpc request */ -struct evrpc_request_wrapper { - /* - * allows association of meta data via hooks - needs to be - * synchronized with evrpc_req_generic. - */ - struct evrpc_hook_meta *hook_meta; - - TAILQ_ENTRY(evrpc_request_wrapper) next; - - /* pool on which this rpc request is being made */ - struct evrpc_pool *pool; - - /* connection on which the request is being sent */ - struct evhttp_connection *evcon; - - /* the actual request */ - struct evhttp_request *req; - - /* event for implementing request timeouts */ - struct event ev_timeout; - - /* the name of the rpc */ - char *name; - - /* callback */ - void (*cb)(struct evrpc_status*, void *request, void *reply, void *arg); - void *cb_arg; - - void *request; - void *reply; - - /* unmarshals the buffer into the proper request structure */ - void (*request_marshal)(struct evbuffer *, void *); - - /* removes all stored state in the reply */ - void (*reply_clear)(void *); - - /* marshals the reply into a buffer */ - int (*reply_unmarshal)(void *, struct evbuffer*); -}; - -#endif /* EVRPC_INTERNAL_H_INCLUDED_ */ |