Sat, 12 Jul 2014 22:32:29 +0200
Added units logging
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1 | /***************************************************************************** |
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2 | * Copyright (C) 2014 |
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3 | * |
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4 | * Michiel Broek <mbroek at mbse dot eu> |
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5 | * |
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6 | * This file is part of the mbsePi-apps |
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7 | * |
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8 | * This is free software; you can redistribute it and/or modify it |
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9 | * under the terms of the GNU General Public License as published by the |
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10 | * Free Software Foundation; either version 2, or (at your option) any |
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11 | * later version. |
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12 | * |
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13 | * mbsePi-apps is distributed in the hope that it will be useful, but |
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14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 | * General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with EC-65K; see the file COPYING. If not, write to the Free |
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20 | * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
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21 | *****************************************************************************/ |
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22 | |
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23 | #include "thermferm.h" |
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24 | |
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25 | |
71 | 26 | int current_unit = -1; |
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27 | int tempA = 80; |
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28 | int tempB = 80; |
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29 | |
48 | 30 | key_t key = 5680; /* key to be passed to shmget() */ |
31 | int shmid; | |
32 | ||
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33 | int my_shutdown = FALSE; |
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34 | static pid_t pgrp, mypid; |
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35 | |
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36 | extern int debug; |
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37 | extern sys_config Config; |
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38 | #ifdef HAVE_WIRINGPI_H |
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39 | extern int lcdHandle; |
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40 | extern unsigned char lcdbuf[MAX_LCDS][20][4]; |
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41 | #endif |
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42 | int lcdupdate; |
74 | 43 | #ifndef HAVE_WIRINGPI_H |
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44 | pthread_t threads[3]; |
74 | 45 | #endif |
104 | 46 | extern const char UNITMODE[5][8]; |
47 | ||
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48 | |
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49 | int server(void); |
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50 | void help(void); |
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51 | void die(int); |
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52 | #ifdef HAVE_WIRINGPI_H |
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53 | void sendRCswitch(char *, int); |
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54 | void stopLCD(void); |
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55 | void stopRCswitch(void); |
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56 | #endif |
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57 | |
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58 | |
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59 | |
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60 | void help(void) |
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61 | { |
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62 | fprintf(stdout, "mbsePi-apps thermferm v%s starting\n\n", VERSION); |
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63 | fprintf(stdout, "Usage: thermferm [-d] [-h]\n"); |
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64 | fprintf(stdout, " -d --debug Debug and run in foreground\n"); |
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65 | fprintf(stdout, " -h --help Display this help\n"); |
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66 | } |
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67 | |
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68 | |
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69 | |
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70 | void die(int onsig) |
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71 | { |
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72 | switch (onsig) { |
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73 | case SIGHUP: syslog(LOG_NOTICE, "Got SIGHUP, shutting down"); |
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74 | break; |
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75 | case SIGINT: syslog(LOG_NOTICE, "Keyboard interrupt, shutting down"); |
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76 | break; |
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77 | case SIGTERM: syslog(LOG_NOTICE, "Got SIGTERM, shutting down"); |
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78 | break; |
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79 | default: syslog(LOG_NOTICE, "die() on signal %d", onsig); |
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80 | } |
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81 | |
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82 | my_shutdown = TRUE; |
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83 | } |
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84 | |
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85 | |
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86 | |
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87 | #ifdef HAVE_WIRINGPI_H |
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88 | void stopLCD(void) |
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89 | { |
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90 | mb_lcdClear(lcdHandle); |
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91 | setBacklight(0); |
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92 | } |
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93 | #endif |
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94 | |
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95 | |
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96 | |
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97 | int main(int argc, char *argv[]) |
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98 | { |
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99 | int rc, c, i; |
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100 | pid_t frk; |
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101 | #ifdef HAVE_WIRINGPI_H |
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102 | char buf[80]; |
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103 | #endif |
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104 | |
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105 | while (1) { |
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106 | int option_index = 0; |
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107 | static struct option long_options[] = { |
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108 | {"debug", 0, 0, 'c'}, |
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109 | {"help", 0, 0, 'h'}, |
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110 | {0, 0, 0, 0} |
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111 | }; |
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112 | |
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113 | c = getopt_long(argc, argv, "dh", long_options, &option_index); |
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114 | if (c == -1) |
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115 | break; |
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116 | |
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117 | switch (c) { |
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118 | case 'd': debug = TRUE; |
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119 | break; |
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120 | case 'h': help(); |
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121 | return 1; |
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122 | } |
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123 | } |
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124 | |
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125 | openlog("thermferm", LOG_PID|LOG_CONS|LOG_NOWAIT, LOG_USER); |
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126 | syslog(LOG_NOTICE, "mbsePi-apps thermferm v%s starting", VERSION); |
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127 | if (debug) |
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128 | fprintf(stdout, "mbsePi-apps thermferm v%s starting\n", VERSION); |
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129 | |
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130 | if (rdconfig()) { |
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131 | fprintf(stderr, "Error reading configuration\n"); |
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132 | syslog(LOG_NOTICE, "halted"); |
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133 | return 1; |
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134 | } |
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135 | |
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136 | /* |
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137 | * Catch all the signals we can, and ignore the rest. Note that SIGKILL can't be ignored |
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138 | * but that's live. This daemon should only be stopped by SIGTERM. |
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139 | * Don't catch SIGCHLD. |
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140 | */ |
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141 | for (i = 0; i < NSIG; i++) { |
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142 | if ((i != SIGCHLD) && (i != SIGKILL) && (i != SIGSTOP)) |
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143 | signal(i, (void (*))die); |
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144 | } |
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145 | |
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146 | #ifdef HAVE_WIRINGPI_H |
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147 | if (wiringPiSetup () ) |
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148 | return 1; |
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149 | |
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150 | if ((rc = initLCD (16, 2))) { |
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151 | fprintf(stderr, "Cannot initialize LCD display, rc=%d\n", rc); |
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152 | return 1; |
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153 | } |
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154 | |
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155 | lcdPosition(lcdHandle, 0, 0); |
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156 | sprintf(buf, " Thermferm"); |
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157 | mb_lcdPuts(lcdHandle, buf); |
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158 | lcdPosition(lcdHandle, 0, 1); |
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159 | sprintf(buf, " Version %s", VERSION); |
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160 | mb_lcdPuts(lcdHandle, buf); |
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161 | #endif |
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162 | |
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163 | if (debug) { |
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164 | /* |
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165 | * For debugging run in foreground. |
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166 | */ |
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167 | rc = server(); |
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168 | } else { |
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169 | /* |
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170 | * Server initialization is complete. Now we can fork the |
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171 | * daemon and return to the user. We need to do a setpgrp |
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172 | * so that the daemon will no longer be assosiated with the |
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173 | * users control terminal. This is done before the fork, so |
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174 | * that the child will not be a process group leader. Otherwise, |
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175 | * if the child were to open a terminal, it would become |
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176 | * associated with that terminal as its control terminal. |
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177 | */ |
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178 | if ((pgrp = setpgid(0, 0)) == -1) { |
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179 | syslog(LOG_NOTICE, "setpgpid failed"); |
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180 | } |
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181 | |
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182 | frk = fork(); |
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183 | switch (frk) { |
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184 | case -1: |
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185 | syslog(LOG_NOTICE, "Daemon fork failed: %s", strerror(errno)); |
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186 | syslog(LOG_NOTICE, "Finished, rc=1"); |
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187 | #ifdef HAVE_WIRINGPI_H |
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188 | stopLCD(); |
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189 | #endif |
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190 | exit(1); |
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191 | case 0: /* |
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192 | * Run the daemon |
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193 | */ |
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194 | fclose(stdin); |
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195 | if (open("/dev/null", O_RDONLY) != 0) { |
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196 | syslog(LOG_NOTICE, "Reopen of stdin to /dev/null failed"); |
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197 | _exit(2); |
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198 | } |
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199 | fclose(stdout); |
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200 | if (open("/dev/null", O_WRONLY | O_APPEND | O_CREAT,0600) != 1) { |
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201 | syslog(LOG_NOTICE, "Reopen of stdout to /dev/null failed"); |
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202 | _exit(2); |
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203 | } |
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204 | fclose(stderr); |
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205 | if (open("/dev/null", O_WRONLY | O_APPEND | O_CREAT,0600) != 2) { |
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206 | syslog(LOG_NOTICE, "Reopen of stderr to /dev/null failed"); |
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207 | _exit(2); |
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208 | } |
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209 | mypid = getpid(); |
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210 | rc = server(); |
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211 | break; |
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212 | /* Not reached */ |
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213 | default: |
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214 | /* |
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215 | * Here we detach this process and let the child |
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216 | * run the deamon process. |
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217 | */ |
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218 | syslog(LOG_NOTICE, "Starting daemon with pid %d", frk); |
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219 | exit(0); |
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220 | } |
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221 | } |
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222 | |
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223 | syslog(LOG_NOTICE, "Finished, rc=%d", rc); |
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224 | return rc; |
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225 | } |
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226 | |
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227 | |
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228 | |
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229 | int server(void) |
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230 | { |
104 | 231 | char buf[1024], *filename; |
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232 | time_t now, last = (time_t)0; |
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233 | w1_therm *tmp1; |
104 | 234 | units_list *unit; |
235 | int rc, run = 1, temp, seconds = 0; | |
74 | 236 | #ifndef HAVE_WIRINGPI_H |
237 | long t = 0; | |
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238 | #endif |
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239 | |
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240 | if (lockprog((char *)"thermferm")) { |
34 | 241 | syslog(LOG_NOTICE, "Can't lock"); |
242 | return 1; | |
243 | } | |
244 | ||
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245 | #ifdef HAVE_WIRINGPI_H |
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246 | rc = piThreadCreate(my_sensors_loop); |
74 | 247 | #else |
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248 | rc = pthread_create(&threads[t], NULL, my_sensors_loop, (void *)t ); |
74 | 249 | #endif |
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250 | if (rc) { |
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251 | fprintf(stderr, "my_sensors_loop thread didn't start rc=%d\n", rc); |
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252 | syslog(LOG_NOTICE, "my_sensors_loop thread didn't start rc=%d", rc); |
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253 | #ifndef HAVE_WIRINGPI_H |
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254 | } else { |
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255 | t++; |
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256 | #endif |
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257 | } |
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258 | |
74 | 259 | #ifdef HAVE_WIRINGPI_H |
43 | 260 | rc = piThreadCreate(my_server_loop); |
74 | 261 | #else |
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262 | rc = pthread_create(&threads[t], NULL, my_server_loop, (void *)t ); |
74 | 263 | #endif |
43 | 264 | if (rc) { |
265 | fprintf(stderr, "my_server_loop thread didn't start rc=%d\n", rc); | |
266 | syslog(LOG_NOTICE, "my_server_loop thread didn't start rc=%d", rc); | |
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267 | #ifndef HAVE_WIRINGPI_H |
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268 | } else { |
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269 | t++; |
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270 | #endif |
43 | 271 | } |
272 | ||
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273 | #ifdef HAVE_WIRINGPI_H |
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274 | rc = piThreadCreate(my_units_loop); |
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275 | #else |
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276 | rc = pthread_create(&threads[t], NULL, my_units_loop, (void *)t ); |
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277 | #endif |
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278 | if (rc) { |
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279 | fprintf(stderr, "my_units_loop thread didn't start rc=%d\n", rc); |
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280 | syslog(LOG_NOTICE, "my_units_loop thread didn't start rc=%d", rc); |
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281 | #ifndef HAVE_WIRINGPI_H |
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282 | } else { |
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283 | t++; |
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284 | #endif |
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285 | } |
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286 | |
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287 | snprintf(buf, 1023, "tempA,tempB"); |
104 | 288 | logger((char *)"thermferm.log", buf); |
289 | ||
290 | for (unit = Config.units; unit; unit = unit->next) { | |
291 | if (unit->mode != UNITMODE_OFF) { | |
292 | snprintf(buf, 1023, "Mode,Air,Beer,Target,Heater,Cooler,Fan,Door"); | |
293 | filename = xstrcpy(unit->name); | |
294 | filename = xstrcat(filename, (char *)".log"); | |
295 | logger(filename, buf); | |
296 | free(filename); | |
297 | filename = NULL; | |
298 | } | |
299 | } | |
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300 | |
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301 | do { |
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302 | lcdupdate = FALSE; |
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303 | |
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304 | if (my_shutdown) |
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305 | run = 0; |
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306 | |
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307 | for (tmp1 = Config.w1therms; tmp1; tmp1 = tmp1->next) { |
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308 | if (tmp1->update) { |
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309 | tmp1->update = FALSE; |
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310 | lcdupdate = TRUE; |
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311 | } |
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312 | } |
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313 | |
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314 | #ifdef HAVE_WIRINGPI_H |
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315 | if (run && lcdupdate) { |
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316 | lcdPosition(lcdHandle, 0, 0); |
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317 | tmp1 = Config.w1therms; |
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318 | snprintf(buf, 16, "%5.2f %cC %s ", tmp1->lastval / 1000.0, 0xdf, tmp1->alias); |
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319 | mb_lcdPuts(lcdHandle, buf); |
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320 | temp = tmp1->lastval; |
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321 | tmp1 = tmp1->next; |
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322 | lcdPosition(lcdHandle, 0, 1); |
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323 | snprintf(buf, 16, "%5.2f %cC %s ", tmp1->lastval / 1000.0, 0xdf, tmp1->alias); |
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324 | mb_lcdPuts(lcdHandle, buf); |
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325 | } |
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326 | #endif |
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327 | |
104 | 328 | /* |
329 | * Timed schedulers | |
330 | */ | |
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331 | now = time(NULL); |
104 | 332 | if (now != last) { |
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333 | last = now; |
104 | 334 | seconds++; |
335 | ||
336 | if (seconds == 60) { | |
337 | seconds = 0; | |
338 | ||
339 | if (Config.w1therms) { | |
340 | tmp1 = Config.w1therms; | |
341 | temp = tmp1->lastval; | |
342 | tmp1 = tmp1->next; | |
343 | if (temp && tmp1->lastval && run) { | |
344 | snprintf(buf, 1023, "%.2f,%.2f", temp / 1000.0, tmp1->lastval / 1000.0); | |
345 | logger((char *)"thermferm.log", buf); | |
346 | } | |
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347 | } |
104 | 348 | |
349 | for (unit = Config.units; unit; unit = unit->next) { | |
350 | if (unit->mode != UNITMODE_OFF) { | |
351 | snprintf(buf, 1023, "%s,%.3f,%.3f,Target,Heater,Cooler,Fan,Door", | |
352 | UNITMODE[unit->mode], unit->air_temperature / 1000.0, unit->beer_temperature / 1000.0); | |
353 | filename = xstrcpy(unit->name); | |
354 | filename = xstrcat(filename, (char *)".log"); | |
355 | logger(filename, buf); | |
356 | free(filename); | |
357 | filename = NULL; | |
358 | } | |
359 | } | |
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360 | } |
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361 | } |
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362 | usleep(100000); |
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363 | |
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364 | } while (run); |
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365 | |
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366 | if (debug) |
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367 | fprintf(stdout, (char *)"Out of loop\n"); |
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368 | |
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369 | /* |
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370 | * Give threads time to cleanup |
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371 | */ |
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372 | usleep(1500000); |
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373 | |
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374 | #ifdef HAVE_WIRINGPI_H |
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375 | stopLCD(); |
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376 | #endif |
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377 | |
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378 | wrconfig(); |
53 | 379 | |
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380 | ulockprog((char *)"thermferm"); |
34 | 381 | |
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382 | if (debug) |
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383 | fprintf(stdout, "Goodbye\n"); |
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384 | |
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385 | return 0; |
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386 | } |
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387 |