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Added licence at the begining of file.
[frescor/fwp.git] / fwp / lib / fwp / fwp_msgb.h
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_MSGB_H
47 #define _FWP_MSGB_H
48
49 #include <sys/types.h>
50 #include <sys/socket.h>
51 #include <string.h>
52
53 #define ADDRLEN_MAX 30
54
55 typedef
56 struct fwp_sockaddr{
57         char            addr[ADDRLEN_MAX];
58         socklen_t       addrlen;
59 } fwp_sockaddr_t;
60
61 /**
62  * Message buffer structure
63  */
64 typedef
65 struct fwp_msgb {
66         size_t                  buffer_size;
67         size_t                  len;            /**< msg data length*/
68         unsigned char           *data;          /**< msg data */
69         unsigned char           *tail;          /**< msg data end*/
70         struct fwp_sockaddr     *peer;          /**< peer address*/
71         /*int flags;  MSG_DONTWAIT for async*/
72 } fwp_msgb_t;
73
74 struct fwp_msgb* fwp_msgb_alloc(size_t buf_size);
75 void fwp_msgb_free(struct fwp_msgb* msgb);
76
77 inline unsigned char* fwp_msgb_put(struct fwp_msgb *msgb, unsigned int len);
78 inline unsigned char* fwp_msgb_pull(struct fwp_msgb *msgb, unsigned int len);
79 inline unsigned char* fwp_msgb_push(struct fwp_msgb* msgb, unsigned int len);
80 inline void fwp_msgb_reset_data_pointer(struct fwp_msgb* msgb);
81 inline void fwp_msgb_reset_data(struct fwp_msgb* msgb);
82 inline unsigned char* fwp_msgb_shift(struct fwp_msgb* msgb, unsigned int len);
83 inline void fwp_msgb_reserve(fwp_msgb_t *msgb, unsigned int len);
84
85 /*struct fwp_socketaddr* fwp_socket_create(struct sockaddr *_addr, socklen_t _addrlen);
86 inline void fwp_socket_set(struct fwp_socketaddr *fwpsock, struct sockaddr *_addr, 
87                                   socklen_t _addrlen);
88 */
89 #endif /* _FWP_MSGB_H */