forked from luck/tmp_suning_uos_patched
91b8534fa8
This code moves the rpc function to the common client base, reorganizes the flush code to be more simple and stable, and makes the necessary adjustments to the underlying transports to adapt to the new structure. This reduces the overall amount of code duplication between the transports and should make adding new transports more straightforward. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
64 lines
2.4 KiB
C
64 lines
2.4 KiB
C
/*
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* include/net/9p/transport.h
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*
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* Transport Definition
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*
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* Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net>
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* Copyright (C) 2004-2008 by Eric Van Hensbergen <ericvh@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to:
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* Free Software Foundation
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* 51 Franklin Street, Fifth Floor
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* Boston, MA 02111-1301 USA
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*
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*/
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#ifndef NET_9P_TRANSPORT_H
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#define NET_9P_TRANSPORT_H
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/**
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* struct p9_trans_module - transport module interface
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* @list: used to maintain a list of currently available transports
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* @name: the human-readable name of the transport
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* @maxsize: transport provided maximum packet size
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* @def: set if this transport should be considered the default
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* @create: member function to create a new connection on this transport
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* @request: member function to issue a request to the transport
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* @cancel: member function to cancel a request (if it hasn't been sent)
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*
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* This is the basic API for a transport module which is registered by the
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* transport module with the 9P core network module and used by the client
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* to instantiate a new connection on a transport.
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*
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* BUGS: the transport module list isn't protected.
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*/
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struct p9_trans_module {
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struct list_head list;
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char *name; /* name of transport */
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int maxsize; /* max message size of transport */
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int def; /* this transport should be default */
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struct module *owner;
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int (*create)(struct p9_client *, const char *, char *);
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void (*close) (struct p9_client *);
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int (*request) (struct p9_client *, struct p9_req_t *req);
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int (*cancel) (struct p9_client *, struct p9_req_t *req);
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};
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void v9fs_register_trans(struct p9_trans_module *m);
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void v9fs_unregister_trans(struct p9_trans_module *m);
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struct p9_trans_module *v9fs_get_trans_by_name(const substring_t *name);
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struct p9_trans_module *v9fs_get_default_trans(void);
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void v9fs_put_trans(struct p9_trans_module *m);
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#endif /* NET_9P_TRANSPORT_H */
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