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- #include <string.h>
- #include <cstring>
- #include <unistd.h>
- #include <stdio.h>
- #include <netdb.h>
- #include <sys/types.h>
- #include <sys/socket.h>
- #include <netinet/in.h>
- #include <iostream>
- #include <fstream>
- #include <sstream>
- #include <iomanip>
- #include <strings.h>
- #include <stdlib.h>
- #include <string>
- #include <time.h>
- #include <vector>
- using namespace std;
- int main (int argc, char* argv[])
- {
- int listenFd, portNo;
- bool loop = false;
- struct sockaddr_in svrAdd;
- struct hostent *server;
- if(argc < 3)
- {
- cerr<<"Syntax: ./client <host name> <port>"<<endl;
- return 0;
- }
- portNo = atoi(argv[2]);
- if((portNo > 65535) || (portNo < 2000))
- {
- cerr<<"Please enter port number between 2000 - 65535"<<endl;
- return 0;
- }
- //create client skt
- listenFd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
- if(listenFd < 0)
- {
- cerr << "Cannot open socket" << endl;
- return 0;
- }
- server = gethostbyname(argv[1]);
- if(server == NULL)
- {
- cerr << "Host does not exist" << endl;
- return 0;
- }
- bzero((char *) &svrAdd, sizeof(svrAdd));
- svrAdd.sin_family = AF_INET;
- bcopy((char *) server -> h_addr, (char *) &svrAdd.sin_addr.s_addr, server -> h_length);
- svrAdd.sin_port = htons(portNo);
- int checker = connect(listenFd,(struct sockaddr *) &svrAdd, sizeof(svrAdd));
- if (checker < 0)
- {
- cerr << "Cannot connect!" << endl;
- return 0;
- }
- //send stuff to server
- for(;;)
- {
- char s[301];
- //cin.clear();
- //cin.ignore(256, '\n');
- cout << "Enter stuff: ";
- bzero(s, 301);
- cin.getline(s, 300);
- write(listenFd, s, strlen(s));
- }
- }
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