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server.cpp
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72 lines (69 loc) · 1.93 KB
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#include <bits/stdc++.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
using namespace std;
void error(const char *msg)
{
perror(msg);
exit(1);
}
int main(int argc, char *argv[])
{
char buff_arr[100][100];
int sockfd, newsockfd, portno;
socklen_t clilen;
char buffer[104];
struct sockaddr_in serv_addr, cli_addr;
int n;
if (argc < 2) {
fprintf(stderr,"ERROR, no port provided\n");
exit(1);
}
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0)
error("ERROR opening socket");
bzero((char *) &serv_addr, sizeof(serv_addr));
portno = atoi(argv[1]);
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = INADDR_ANY;
serv_addr.sin_port = htons(portno);
if (bind(sockfd, (struct sockaddr *) &serv_addr,
sizeof(serv_addr)) < 0)
error("ERROR on binding");
printf("connected\n");
int count = 0;
FILE * f = fopen("output.txt", "w");
int no_of_packets = 0;
while (count != 100) {
listen(sockfd,5);
clilen = sizeof(cli_addr);
newsockfd = accept(sockfd,
(struct sockaddr *) &cli_addr,
&clilen);
if (newsockfd < 0)
error("ERROR on accept");
bzero(buffer,104);
n = read(newsockfd,buffer,104);
if (n < 0) error("ERROR reading from socket");
cout << buffer << endl;
int temp = sizeof(buffer);
int a = (buffer[0] - '0') * 1000;
a += (buffer[1] - '0') * 100;
a += (buffer[2] - '0') * 10;
a += (buffer[3] - '0');
cout << a << endl;
int temp2 = 4;
while (fputc(buffer[temp2], f)) {
cout << "sfndfg" << endl;
}
close(newsockfd);
count++;
no_of_packets++;
}
fclose(f);
/*n = write(newsockfd,"I got your message",18);
if (n < 0) error("ERROR writing to socket");*/
close(sockfd);
return 0;
}