1 | #if 0 |
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2 | INDI |
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3 | Copyright (C) 2003-2006 Elwood C. Downey |
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4 | |
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5 | Updated by Jasem Mutlaq (2003-2010) |
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6 | |
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7 | This library is free software; you can redistribute it and/or |
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8 | modify it under the terms of the GNU Lesser General Public |
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9 | License as published by the Free Software Foundation; either |
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10 | version 2.1 of the License, or (at your option) any later version. |
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11 | |
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12 | This library is distributed in the hope that it will be useful, |
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13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 | Lesser General Public License for more details. |
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16 | |
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17 | You should have received a copy of the GNU Lesser General Public |
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18 | License along with this library; if not, write to the Free Software |
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19 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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20 | |
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21 | #endif |
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22 | |
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23 | /* main() for one INDI driver process. |
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24 | * Drivers define IS*() functions we call to deliver INDI XML arriving on stdin. |
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25 | * Drivers call ID*() functions to send INDI XML commands to stdout. |
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26 | * Drivers call IE*() functions to build an event-driver program. |
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27 | * Drivers call IU*() functions to perform various common utility tasks. |
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28 | * Troubles are reported on stderr then we exit. |
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29 | * |
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30 | * This requires liblilxml. |
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31 | */ |
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32 | |
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33 | #include <stdio.h> |
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34 | #include <stdlib.h> |
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35 | #include <stdarg.h> |
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36 | #include <string.h> |
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37 | #include <errno.h> |
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38 | #include <time.h> |
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39 | #include <unistd.h> |
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40 | #include <sys/types.h> |
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41 | #include <sys/stat.h> |
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42 | |
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43 | #include "lilxml.h" |
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44 | #include "base64.h" |
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45 | #include "eventloop.h" |
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46 | #include "indidevapi.h" |
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47 | #include "indicom.h" |
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48 | #include "indidriver.h" |
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49 | |
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50 | #define MAXRBUF 2048 |
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51 | |
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52 | ROSC *roCheck; |
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53 | int nroCheck; /* # of elements in roCheck */ |
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54 | |
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55 | int verbose; /* chatty */ |
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56 | char *me; /* a.out name */ |
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57 | LilXML *clixml; /* XML parser context */ |
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58 | |
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59 | static void usage(void); |
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60 | |
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61 | int |
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62 | main (int ac, char *av[]) |
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63 | { |
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64 | #ifndef _WIN32 |
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65 | setgid( getgid() ); |
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66 | setuid( getuid() ); |
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67 | |
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68 | if (geteuid() != getuid()) |
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69 | exit(255); |
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70 | #endif |
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71 | |
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72 | /* save handy pointer to our base name */ |
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73 | for (me = av[0]; av[0][0]; av[0]++) |
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74 | if (av[0][0] == '/') |
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75 | me = &av[0][1]; |
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76 | |
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77 | /* crack args */ |
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78 | while (--ac && (*++av)[0] == '-') |
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79 | while (*++(*av)) |
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80 | switch (*(*av)) { |
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81 | case 'v': /* verbose */ |
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82 | verbose++; |
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83 | break; |
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84 | default: |
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85 | usage(); |
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86 | } |
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87 | |
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88 | /* ac remaining args starting at av[0] */ |
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89 | if (ac > 0) |
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90 | usage(); |
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91 | |
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92 | /* init */ |
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93 | clixml = newLilXML(); |
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94 | addCallback (0, clientMsgCB, NULL); |
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95 | |
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96 | /* service client */ |
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97 | eventLoop(); |
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98 | |
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99 | /* eh?? */ |
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100 | fprintf (stderr, "%s: inf loop ended\n", me); |
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101 | return (1); |
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102 | } |
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103 | |
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104 | /* print usage message and exit (1) */ |
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105 | static void usage(void) |
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106 | { |
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107 | fprintf (stderr, "Usage: %s [options]\n", me); |
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108 | fprintf (stderr, "Purpose: INDI Device driver framework.\n"); |
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109 | fprintf (stderr, "Options:\n"); |
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110 | fprintf (stderr, " -v : more verbose to stderr\n"); |
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111 | |
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112 | exit (1); |
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113 | } |
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114 | |
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