Code:
#include "classes.h"
int main(void)
{
int switchInput;
int i = 0;
int connected;
int sock;
int bytes_received;
int sin_size;
int true = 1;
int tempCourse = 0;
char send_data[BUF];
char recv_data[BUF];
char tempDept[5];
char tempDay[1];
char tempTime[1];
FILE *filePointer;
sched_record data[MAX_RECORD];
filePointer = fopen (BINFILE, "rb");
if ((sock = socket (AF_INET, SOCK_STREAM, 0)) == -1) {
perror ("Socket");
exit(1);
}
if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &true, sizeof(int)) == -1) {
perror ("Setsocketopt");
exit(1);
}
self.sin_family = AF_INET;
self.sin_port = htons(noneya);
bzero(&(self.sin_zero), 8);
self.sin_addr.s_addr = inet_addr ("ip address i am hiding");
if (bind (sock, (struct sockaddr *)(&self), sizeof (self)) < 0) {
perror ("Unable to bind");
exit(1);
}
if (listen(sock, 5) == -1) {
perror("Listen");
exit(1);
}
if (filePointer == NULL) {
perror("**Can't open file**");
exit(1);
}
printf("\nTCPServer waiting for client on port xxxxx");
fflush(stdout);
while(1) {
sin_size = sizeof(struct sockaddr_in);
connected = accept(sock, (struct sockaddr *)&client_addr, &sin_size);
printf("\n I got a connection from (%s, %d)",
inet_ntoa(client_addr.sin_addr), ntohs(client_addr.sin_port));
printf("\n");
char send_data[] = "Server is Ready";
send(connected, send_data, strlen(send_data), 0);
while(1) {
bytes_received = recv(connected, recv_data, BUF, 0);
recv_data[bytes_received] = '\0';
printf("\n%s", recv_data);
switchInput = recv_data;
switch(switchInput) {
case 1:
fread(data, sizeof(sched_record), MAX_RECORD, filePointer);
fclose(filePointer);
printf("Enter Dept Name: ");
scanf("%s", tempDept);
for (i=0; i<MAX_RECORD; i++){
if (strcmp(tempDept, data[i].Dept)==0){
if(tempCourse != data[i].course){
printf("\n%s %d", data[i].Dept, data[i].course);
tempCourse = data[i].course;
}
}
}
break;
case 2:
fread(data, sizeof(sched_record), MAX_RECORD, filePointer);
fclose(filePointer);
printf("Enter Dept Name: ");
scanf("%s", tempDept);
printf("Enter Course Number: ");
scanf("%d", &tempCourse);
qsort(data, MAX_RECORD, sizeof(sched_record), sortFunction);
for (i=0; i < MAX_RECORD; i++){
if ((strcmp(tempDept, data[i].Dept)==0) && tempCourse == data[i].course){
printf("\n%d%s", data[i].start.hour, data[i].Dept);
}
}
break;
}
}
}
close(sock);
return 0;
}