1 /**************************************************************************/
2 /* ---------------------------------------------------------------------- */
3 /* Copyright (C) 2006 - 2008 FRESCOR consortium partners: */
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 */
12 /* Thales Communication S.A. FRANCE */
13 /* Visual Tools S.A. SPAIN */
14 /* Rapita Systems Ltd UK */
17 /* See http://www.frescor.org for a link to partners' websites */
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. */
25 /* This file is part of FWP (Frescor WLAN Protocol) */
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. */
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 /**************************************************************************/
55 #include <sys/socket.h>
57 #include <netinet/in.h>
58 #include <arpa/inet.h>
62 #define Mbit (Kbit*Kbit)
64 #define SEC_TO_NSEC 1000000000LL
65 #define SEC_TO_USEC 1000000LL
66 #define MSEC_TO_USEC 1000LL
67 #define USEC_TO_NSEC 1000LL
69 /*extern const int prio_to_ac[8];
70 extern const unsigned int ac_to_tos[4];
71 extern const char *ac_to_text[4];
76 /* TODO: Introduce multilevel debugging massages and printf-like
77 * debugging function. */
80 #define FWP_DEBUG(fmt,args...) printf("fwp: %s: " fmt, __func__ , ##args)
81 #define FWP_ERROR(fmt,args...) fprintf(stderr, "fwp: %s: " fmt, __func__ , ##args)
84 #define FWP_DEBUG(fmt,args...)
85 #define FWP_ERROR(fmt,args...)
89 _fwp_sendto(int s, const void *buf, size_t len, int flags,
90 const fwp_sockaddr_t *sockaddr)
93 while ((ret = sendto(s, buf, len, flags, (struct sockaddr*)&sockaddr->addr, sockaddr->addrlen)) < 0) {
94 if (errno != EINTR) break;
100 _fwp_recvfrom(int s, void *buf, size_t len, int flags,
101 fwp_sockaddr_t *sockaddr)
104 while ((ret = recvfrom(s, buf, len, flags, (struct sockaddr*)&sockaddr->addr,
105 &sockaddr->addrlen)) < 0) {
106 if (errno != EINTR) break;
111 static inline ssize_t
112 _fwp_send(int s, const void *buf, size_t len, int flags)
115 while ((ret = send(s, buf, len, flags)) < 0) {
116 if (errno != EINTR) break;
121 static inline ssize_t
122 _fwp_recv(int s, void *buf, size_t len, int flags)
125 while ((ret = recv(s, buf, len, flags)) < 0) {
126 if (errno != EINTR) break;
131 void fwp_timespec_add (struct timespec *sum, const struct timespec *left,
132 const struct timespec *right);
133 void fwp_timespec_sub (struct timespec *diff, const struct timespec *left,
134 const struct timespec *right);
135 void fwp_timespec_modulo(struct timespec *dividend, struct timespec *dividor,
136 struct timespec *remainder);
138 int fwp_set_rt_prio(int priority);
139 int fwp_create_unix_socket(char *path, struct sockaddr_un *addr);
140 int fwp_create_inet_socket(unsigned int port, struct sockaddr_in *addr);
142 #endif /* _FWP_UTILS_H */