src/xutils.h

   1 /*
   2  * transsip - the telephony toolkit
   3  * By Daniel Borkmann <daniel@transsip.org>
   4  * Copyright 2011, 2012 Daniel Borkmann <dborkma@tik.ee.ethz.ch>
   5  * Subject to the GPL, version 2.
   6  */
   7
   8 #ifndef XUTILS_H
   9 #define XUTILS_H
  10
  11 #include <termios.h>
  12 #include <string.h>
  13 #include <signal.h>
  14 #include <stdint.h>
  15 #include <sys/ioctl.h>
  16 #include <sys/types.h>
  17 #include <netinet/in.h>
  18 #include <arpa/inet.h>
  19 #include <netdb.h>
  20
  21 #include "built_in.h"
  22
  23 #define FILE_SETTINGS   ".transsip/settings"
  24 #define FILE_CONTACTS   ".transsip/contacts"
  25 #define FILE_PRIVKEY    ".transsip/priv.key"
  26 #define FILE_PUBKEY     ".transsip/pub.key"
  27 #define FILE_USERNAME   ".transsip/username"
  28
  29 #define FILE_ETCDIR     "/etc/transsip"
  30
  31 #define FILE_BUSY       "busytone.s16"
  32 #define FILE_RING       "ring.s16"
  33 #define FILE_DIAL       "dialtone.s16"
  34
  35 #define USERSIZ         64
  36 #define ADDRSIZ         256
  37 #define PORTSIZ         16
  38
  39 struct pipepair {
  40         int i, o;
  41 };
  42
  43 struct cli_pkt {
  44         __extension__ uint16_t ring:1,
  45                                take:1,
  46                                fin:1,
  47                                hold:1,
  48                                unhold:1,
  49                                res:11;
  50         char user[USERSIZ];
  51         char address[ADDRSIZ];
  52         char port[PORTSIZ];
  53 } __attribute__((packed));
  54
  55 extern int open_or_die(const char *file, int flags);
  56 extern int open_or_die_m(const char *file, int flags, mode_t mode);
  57 extern ssize_t read_or_die(int fd, void *buf, size_t count);
  58 extern ssize_t write_or_die(int fd, const void *buf, size_t count);
  59 extern size_t strlcpy(char *dest, const char *src, size_t size);
  60 extern int slprintf(char *dst, size_t size, const char *fmt, ...);
  61 extern char **strntoargv(char *str, size_t len, int *argc);
  62
  63 #define __reset                 "0"
  64 #define __bold                  "1"
  65 #define __black                 "30"
  66 #define __red                   "31"
  67 #define __green                 "32"
  68 #define __yellow                "33"
  69 #define __blue                  "34"
  70 #define __magenta               "35"
  71 #define __cyan                  "36"
  72 #define __white                 "37"
  73 #define __on_black              "40"
  74 #define __on_red                "41"
  75 #define __on_green              "42"
  76 #define __on_yellow             "43"
  77 #define __on_blue               "44"
  78 #define __on_magenta            "45"
  79 #define __on_cyan               "46"
  80 #define __on_white              "47"
  81
  82 #define colorize_start(fore)            "\033[" __##fore "m"
  83 #define colorize_start_full(fore, back) "\033[" __##fore ";" __on_##back "m"
  84 #define colorize_end()                  "\033[" __reset "m"
  85
  86 #define colorize_str(fore, text)                                     \
  87                 colorize_start(fore) text colorize_end()
  88 #define colorize_full_str(fore, back, text)                          \
  89                 colorize_start_full(fore, back) text colorize_end()
  90
  91 static inline void register_signal(int signal, void (*handler)(int))
  92 {
  93         sigset_t block_mask;
  94         struct sigaction saction;
  95         sigfillset(&block_mask);
  96         saction.sa_handler = handler;
  97         saction.sa_mask = block_mask;
  98         saction.sa_flags = SA_RESTART;
  99         sigaction(signal, &saction, NULL);
 100 }
 101
 102 static inline int set_timeout(struct timeval *timeval, unsigned int msec)
 103 {
 104         if (msec == 0)
 105                 return -EINVAL;
 106
 107         timeval->tv_sec = 0;
 108         timeval->tv_usec = 0;
 109
 110         if (msec < 1000) {
 111                 timeval->tv_usec = msec * 1000;
 112                 return 0;
 113         }
 114
 115         timeval->tv_sec = (long) (msec / 1000);
 116         timeval->tv_usec = (long) ((msec - (timeval->tv_sec * 1000)) * 1000);
 117
 118         return 0;
 119 }
 120
 121 #endif /* XUTILS_H */