root / logic / trunk / measurement_reader / src / startup / main.c @ 93
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1 | 72 | Janez1 | /*
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2 | * main.c
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3 | *
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4 | * 2011, Janez Barbic (jhnsmth64@gmail.com)
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5 | *
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6 | */
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7 | #include <stdio.h> |
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8 | #include <stdlib.h> |
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9 | #include <pthread.h> |
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10 | #include <syslog.h> |
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11 | #include <unistd.h> |
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12 | #include "../drv_comm/dev01/drv_comm.h" |
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13 | |||
14 | const char *dev1 = "/dev/dev_thermometer_01"; |
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15 | const char *dev2 = "/dev/dev_thermometer_02"; |
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16 | const char *dev3 = "/dev/dev_barometer_01"; |
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17 | const char *dev4 = "/dev/dev_hygrometer_01"; |
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18 | const char *dev5 = "/dev/dev_light_sensor_01"; |
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19 | const char *dev6 = "/dev/dev_smart_meter_01"; |
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20 | |||
21 | // Application entry point
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22 | int main(int argc, char *argv[]) { |
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23 | /** //DAEMON
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24 | pid_t pid, sid;
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25 | |||
26 | pid = fork();
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27 | if (pid < 0) {
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28 | exit(EXIT_FAILURE);
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29 | }
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30 | // EXIT PARENT
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31 | if (pid > 0) {
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32 | exit(EXIT_SUCCESS);
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33 | }
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34 | |||
35 | //umask(0);
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36 | |||
37 | // Open any logs here
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38 | |||
39 | // Create a new SID for the child process
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40 | sid = setsid();
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41 | if (sid < 0) {
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42 | // Log the failure
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43 | exit(EXIT_FAILURE);
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44 | }
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45 | |||
46 | // Close out the standard file descriptors
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47 | // Because daemons generally dont interact directly with user so there is no need of keeping these open
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48 | close(STDIN_FILENO);
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49 | close(STDOUT_FILENO);
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50 | close(STDERR_FILENO);
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51 | /**/
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52 | |||
53 | // read devices in a loop
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54 | while(1) |
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55 | { |
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56 | set_device_value(dev1,1); // termometer1 |
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57 | set_device_value(dev2,2); // |
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58 | set_device_value(dev3,3); // |
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59 | set_device_value(dev4,4); // |
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60 | set_device_value(dev5,5); // |
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61 | set_device_value(dev6,6); // |
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62 | sleep(60); //update every minute |
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63 | } |
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64 | |||
65 | exit(0);
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66 | } |