// Function to update the bulb Intensity based on time. Here we also act as server.
// NOTE: select() method might not be required as we use only one server socket here. Can be made much neater
void updateBasedOnTime(struct timeEmulate *bulbTime, int level[10], int servSock)
{
/*
* Initialize active sockets - code modified from
* www.gnu.org/software/libc/manual/html_node/Server-Example.html
* because no other reference was provided...
*
*/
fd_set active_fd_set, read_fd_set;
FD_ZERO(&active_fd_set);
FD_SET(servSock, &active_fd_set);
struct sockaddr_in clientAddr;
unsigned int clientLength = sizeof(clientAddr);
//Wait for an active connection to arrive
read_fd_set = active_fd_set;
if(select(FD_SETSIZE, &read_fd_set, NULL, NULL, NULL) < 0){
printf("select\n");
//exit(EXIT_FAILURE);
}else if(FD_ISSET(servSock, &read_fd_set) && (strcmp(bulb.health,"DAMAGED"))){
int clientSock = accept(servSock, (struct sockaddr_in *)&clientAddr, clientLength);
FILE *weatherFile = fdopen(clientSock, "r");
char *climate = extractClimate(weatherFile);
int sunriseHour = extractHour(weatherFile);
int sunsetHour = extractHour(weatherFile);
close(weatherFile);
//if it's before sunrise
if(((*bulbTime).hour >+ 0) && ((*bulbTime).hour < sunriseHour)){
updateIntensity(level[8], climate);
//after sunrise but before midday(ish)
}else if(((*bulbTime).hour < sunriseHour+4) && ((*bulbTime).hour >= sunriseHour)){
updateIntensity(level[2], climate);
//before sunset and after midday(ish)
}else if(((*bulbTime).hour >= sunriseHour+4) && ((*bulbTime).hour < sunsetHour)){
updateIntensity(0, climate);
//after sunset and before late night
}else if(((*bulbTime).hour >= sunsetHour) && ((*bulbTime).hour < sunsetHour+4)){
updateIntensity(level[5], climate);
}else if(((*bulbTime).hour >= sunsetHour+4)){
updateIntensity(level[8], climate);
}else{
printf("ERROR: NO UPDATE TO INTENSITY, BAD TIMING\n");
}
free(climate);
close(weatherFile);
printf("SUCCESS: UPDATED BASED ON TIME\n");
}
}
bool MSNet::isNight(std::string dateTimeString)
{
int month=extractMonth(dateTimeString),
hour=extractHour(dateTimeString);
if(month<3||month>11)
{
// December, January or February
return((hour>=18)&&(hour<8));
}
else if(month<6)
{
// March, April or May
return((hour>=19)&&(hour<7));
}
else if(month<9)
{
// June, July or August
return((hour>=20)&&(hour<7));
}
else
{
// September, October or November
return((hour>=19)&&(hour<7));
}
}
