int main(int argc, char **argv)
{
int i, currentNebUser, currentUserMessage, matches = 0;
/* print usage if needed */
if (argc != 1)
{
fprintf(stderr, "No args needed");
exit(0);
}
char filename[1024];
FILE *file = NULL, *fp = NULL, *userFile = NULL, *messageFile = NULL;
sprintf(filename, "../../Data/tableinfo.dat");
file = fopen(filename, "rb");
int locationNum, userNum, messageNum;
fread(&locationNum, sizeof(int), 1, file);
fread(&userNum, sizeof(int), 1, file);
fread(&messageNum, sizeof(int), 1, file);
fclose(file);
struct timeval time_start, time_end;
int matchingRecords = 0;
char *matchString = "Nebraska";
/* start time */
gettimeofday(&time_start, NULL);
// Get list of NE cities
int nebraskaStart, nebraskaEnd;
nebraskaStart = findLocationEdge(0, locationNum, matchString, -1, 0);
nebraskaEnd = findLocationEdge(0, locationNum, matchString, 1, locationNum);
//printf("NE Start: %d, NE End: %d", nebraskaStart, nebraskaEnd);
for (i = nebraskaStart; i <= nebraskaEnd; i++)
{
/* open the corresponding file */
sprintf(filename, "../../Data/Locations/location_%06d.dat", i);
fp = fopen(filename,"rb");
if (!fp) {
fprintf(stderr, "Cannot open %s\n", filename);
exit(0);
}
// Get location id from NE cities
location_t *loc = read_location(fp);
//printf("%s, %s\n", loc->city, loc->state);
fclose(fp);
//printf("%s, %s\n", loc->city, loc->state);
// Get list of users from NE cities
int firstNebUserAtLocation, lastNebUserAtLocation;
firstNebUserAtLocation = findUserEdge(0, userNum, loc->locationID, -1, 0);
lastNebUserAtLocation = findUserEdge(0, userNum, loc->locationID, 1, userNum);
//printf(" Start: %i, End: %i\n", firstNebUserAtLocation, lastNebUserAtLocation);
// foreach user locationStart to locationEnd
for (currentNebUser = firstNebUserAtLocation; currentNebUser <= lastNebUserAtLocation; currentNebUser++)
{
// open user file at current ID in loop
sprintf(filename, "../../Data/Users/user_%06d.dat", currentNebUser);
userFile = fopen(filename, "rb");
if (!userFile) {
fprintf(stderr, "Cannot open %s\n", filename);
exit(0);
}
// Get userid from NE users
user_t *usr = read_user(userFile);
fclose(userFile);
// get list of messages from NE users
int firstUserMessage, lastUserMessage;
firstUserMessage = findMessageEdge(0, messageNum, usr->id, -1, 0);
lastUserMessage = findMessageEdge(0, messageNum, usr->id, 1, messageNum);
// printf(" UserMessages Start: %i, End: %i\n", firstUserMessage, lastUserMessage);
if(firstUserMessage == -1 && lastUserMessage == -1)
{
printf("Warning, no messages found for user %i\n", usr->id);
}
else
{
int criteriaMatch = 0;
// foreach message associated with current user id
for (currentUserMessage = firstUserMessage; currentUserMessage <= lastUserMessage; currentUserMessage++)
{
// open message file
sprintf(filename, "../../Data/Messages/message_%07d.dat", currentUserMessage);
messageFile = fopen(filename, "rb");
if (!messageFile) {
fprintf(stderr, "Cannot open %s\n", filename);
exit(0);
}
message_t *msg = read_message(messageFile);
fclose(messageFile);
// check time; increment
if (msg->hour == 8 || ((msg->hour == 9) && (msg->minute == 0)))
{
criteriaMatch = 1;
break;
}
}
if (criteriaMatch == 1)
{
matchingRecords++;
}
}
}
free_location(loc);
}
/* end time */
gettimeofday(&time_end, NULL);
float totaltime = (time_end.tv_sec - time_start.tv_sec)
+ (time_end.tv_usec - time_start.tv_usec) / 1000000.0f;
printf("\n\nMatching Records %i\n", matchingRecords);
printf("\n\nProcess time %f seconds\n", totaltime);
return 0;
}
void ingredients()
{
show_ingredients();
read_user();
}
