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Copy pathserver.cpp
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170 lines (138 loc) · 3.29 KB
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//Server side to connect to client and accept process data then store them into a file
#include<iostream>
#include<fstream>
#include<sys/types.h>
using namespace std;
#include<sys/socket.h>
#include<netinet/in.h>
#include<unistd.h>
#include<arpa/inet.h>
#include<stdlib.h>
#include<errno.h>
#include<signal.h>
#include "../inc/class.h"
fstream fout;
#define size 100
#define PORT 9955
#define IP "127.0.0.1"
void sighandler(int signum){
fout<<"Termination signal received";
fout.close();
exit(1);
}
int main(){
fstream fout1;
fout1.open("../bin/server_log.txt",ios::out|ios::trunc);
fout1.clear();
fout.open("../bin/server_log.txt",ios::app);
//Making server socket.
int serv_fd=socket(AF_INET,SOCK_STREAM,0);
signal(SIGINT,sighandler);
if(serv_fd == -1)
{ fout<<"socket created error"<<endl;
perror("Socket creation error");
exit(1);
}
fout<<"socket generated"<<endl;
//Storing server info in a structure.
struct sockaddr_in sock_addr_serv;
sock_addr_serv.sin_family = AF_INET;
sock_addr_serv.sin_port = htons(PORT);
sock_addr_serv.sin_addr.s_addr = inet_addr(IP);
//Binding struct with server structure.
if(bind(serv_fd,(struct sockaddr *)&sock_addr_serv,sizeof(sock_addr_serv))==-1)
{
fout<<"Listning error"<<endl;
perror("Bind error");
exit(1);
}
fout<<"socket Binded successfully"<<endl;
if(listen(serv_fd,5)==-1)
{ fout<<"Listning error"<<endl;
perror("listen error");
exit(1);
}
fout<<"socket listning"<<endl;
cout<<"server watiing for client request"<<endl;
struct sockaddr_in sock_addr_cli;
socklen_t cli_len = sizeof(sock_addr_cli);
int client_fd=accept(serv_fd,(struct sockaddr *)&sock_addr_cli,&cli_len);
if(client_fd==-1)
{ fout<<"socket accept"<<endl;
perror("accept error");
exit(1);
}
fout<<"socket accept"<<endl;
//Applying a infinite loop to read data sent from server.
while(1)
{
int n;
read(client_fd,&n,sizeof(n));
if(n!=0){
details d[n];
fstream file1;
//opening text file to store process info.
file1.open("../data/dt.txt",ios::app);
//reading every process data from client and storing it into a file.
for(int i=0;i<n;i++){
read(client_fd,&d[i],sizeof(d[i]));
string data;
data+=to_string(d[i].ProcessType)+","+to_string(d[i].Pid)+","+to_string(d[i].ArrivalTime)+","+to_string(d[i].BurstTime)+","+to_string(d[i].Priority)+","+to_string(d[i].TimeQuantum);
cout<<data<<endl;
file1<<data<<endl;
}
file1.close();
//calling fcfs function.
if(d[0].ProcessType==1){
struct process *p=fcfs();
struct process q[size];
for(int i=0;i<n;i++){
q[i]=*p;
write(client_fd,&q[i],sizeof(q[i]));
p++;
}
}
//calling priority function.
else if(d[0].ProcessType==2){
struct process *p=priority();
struct process q[size];
for(int i=0;i<n;i++){
q[i]=*p;
write(client_fd,&q[i],sizeof(q[i]));
p++;
}
}
//calling round robin function.
else if(d[0].ProcessType==3){
struct process *p=rr();
struct process q[size];
for(int i=0;i<n;i++){
q[i]=*p;
write(client_fd,&q[i],sizeof(q[i]));
p++;
}
}
//calling Shortest job first function.
else if(d[0].ProcessType==4){
struct process *p=sjf();
struct process q[size];
for(int i=0;i<n;i++){
q[i]=*p;
write(client_fd,&q[i],sizeof(q[i]));
p++;
}
}
}
else{
break;
}
}
//closing socket.
if(close(serv_fd)==-1){
fout<<"socket closing error"<<endl;
perror("socket close");
exit(1);
}
fout<<"socket closed"<<endl;
fout.close();
}