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Implemented synchronous and asynchronous sending
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1 /**************************************************************************/
2 /* ---------------------------------------------------------------------- */
3 /* Copyright (C) 2006 - 2008 FRESCOR consortium partners:                 */
4 /*                                                                        */
5 /*   Universidad de Cantabria,              SPAIN                         */
6 /*   University of York,                    UK                            */
7 /*   Scuola Superiore Sant'Anna,            ITALY                         */
8 /*   Kaiserslautern University,             GERMANY                       */
9 /*   Univ. Politécnica  Valencia,           SPAIN                        */
10 /*   Czech Technical University in Prague,  CZECH REPUBLIC                */
11 /*   ENEA                                   SWEDEN                        */
12 /*   Thales Communication S.A.              FRANCE                        */
13 /*   Visual Tools S.A.                      SPAIN                         */
14 /*   Rapita Systems Ltd                     UK                            */
15 /*   Evidence                               ITALY                         */
16 /*                                                                        */
17 /*   See http://www.frescor.org for a link to partners' websites          */
18 /*                                                                        */
19 /*          FRESCOR project (FP6/2005/IST/5-034026) is funded             */
20 /*       in part by the European Union Sixth Framework Programme          */
21 /*       The European Union is not liable of any use that may be          */
22 /*       made of this code.                                               */
23 /*                                                                        */
24 /*                                                                        */
25 /*  This file is part of FWP (Frescor WLAN Protocol)                      */
26 /*                                                                        */
27 /* FWP is free software; you can redistribute it and/or modify it         */
28 /* under terms of the GNU General Public License as published by the      */
29 /* Free Software Foundation; either version 2, or (at your option) any    */
30 /* later version.  FWP is distributed in the hope that it will be         */
31 /* useful, but WITHOUT ANY WARRANTY; without even the implied warranty    */
32 /* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU    */
33 /* General Public License for more details. You should have received a    */
34 /* copy of the GNU General Public License along with FWP; see file        */
35 /* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave,  */
36 /* Cambridge, MA 02139, USA.                                              */
37 /*                                                                        */
38 /* As a special exception, including FWP header files in a file,          */
39 /* instantiating FWP generics or templates, or linking other files        */
40 /* with FWP objects to produce an executable application, does not        */
41 /* by itself cause the resulting executable application to be covered     */
42 /* by the GNU General Public License. This exception does not             */
43 /* however invalidate any other reasons why the executable file might be  */
44 /* covered by the GNU Public License.                                     */
45 /**************************************************************************/
46 #ifndef _FWP_ENDPOINT_H
47 #define _FWP_ENDPOINT_H
48
49 #define FWP_ANY_NODE INADDR_ANY
50
51 typedef enum {
52         FWP_EPOINT_BESTEFFORT   = 0,
53         FWP_EPOINT_RELIABLE     = 1,
54 } fwp_endpoint_reliability_t;
55
56 struct fwp_endpoint;
57
58 typedef unsigned int fwp_addr_t;
59
60 /**
61  * Endpoint attributes
62  */
63 typedef
64 struct fwp_endpoint_attr {
65         /** Specifies whether fwp endpoint is reliable (TCP) or not (UDP)*/
66         unsigned int reliability;
67         /** Specifies max number of allowed connections (for TCP only) */
68         unsigned int max_connections;
69 } fwp_endpoint_attr_t;
70
71 #include "fwp_vres.h"
72
73 int fwp_endpoint_get_params(struct fwp_endpoint *ep, unsigned int *node, 
74                                 unsigned int *port, fwp_endpoint_attr_t *attr);
75 int fwp_send_endpoint_create(unsigned int node, unsigned int port,
76                                 fwp_endpoint_attr_t *attr, 
77                                 struct fwp_endpoint **epoint);
78 int fwp_receive_endpoint_create(/*unsigned int node,*/ unsigned int port,
79                                 fwp_endpoint_attr_t *attr, 
80                                 struct fwp_endpoint **epoint);
81 int fwp_endpoint_destroy(struct fwp_endpoint *ep);
82
83 int fwp_send_endpoint_bind(struct fwp_endpoint *ep, fwp_vres_t *vres);
84 int fwp_send_endpoint_unbind(struct fwp_endpoint *ep);
85
86 ssize_t fwp_recv(struct fwp_endpoint *ep,
87                         void *buffer, const size_t buffer_size,
88                         unsigned int *from, int flags);
89 int fwp_send_sync(struct fwp_endpoint *ep, void *msg, const size_t size);
90 int fwp_send_async(struct fwp_endpoint *ep, void *msg, const size_t size);
91 ssize_t fwp_endpoint_do_send(struct fwp_endpoint *ep,
92                              void *data, const size_t size);
93 int fwp_endpoint_attr_init(fwp_endpoint_attr_t *attr);
94
95 static inline int fwp_endpoint_attr_setreliability(fwp_endpoint_attr_t *attr, 
96                                                         int reliability)
97 {
98         attr->reliability = reliability;
99         return 0;
100 }
101
102 /* Sets queueing policy */
103 /*int fwp_endpoint_attr_setqpolicy(fwp_endpoint_attr_t *attr);*/
104 #ifdef _FWP_INTERNALS_
105
106 int fwp_endpoint_table_init(unsigned int nr_endpoints);
107
108 #endif /*_FWP_INTERNALS_*/
109 #endif /*_FWP_ENDPOINT_H */