/***************************************************Project Mutator****************************************************/
/*first line intentionally left blank.*/
/*Copyright (C) 2017 Farzad Sadeghi
This source file contains mutator's client as a standalone.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.*/
/**********************************************************************************************************************/
/*macros*/
#define __DBG
#if 1
#undef __DBG
#endif
/**********************************************************************************************************************/
/*inclusion directive*/
#include "mutatorclient.h"
/*standard header libraries*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
/**********************************************************************************************************************/
int main(int argc, char *argv[])
{
int sock;
struct sockaddr_in server;
char message[1000];
char server_reply[2000];
int recvlength;
/*create socket*/
sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock == -1)
{
printf ("could not create socket");
exit(EXIT_FAILURE);
}
puts("created socket");
server.sin_addr.s_addr = inet_addr("127.0.0.1");
server.sin_family = AF_INET;
server.sin_port = htons(8888);
memset(server.sin_zero, 0, 8);
/*connect to remote server*/
if (connect(sock, (struct sockaddr*)&server, sizeof(server)) < 0)
{
perror("connect failed.error.");
return 1;
}
puts("connected.");
/*keep communicating with the server.*/
while(1)
{
printf("enter massage: ");
/*@DEVI-should later do something about reading from stdin*/
if (fgets(message, 1000, stdin) == NULL)
{
puts("could not read from stdin");
}
puts("read from stdin.");
if (strncmp(message, "end_comm", 8) == 0)
{
puts("client terminated.");
break;
}
/*send some data*/
if (send(sock, message, strlen(message), 0) < 0)
{
puts("send fialed.");
return 1;
}
puts("message sent.");
puts(message);
sleep(1);
fflush(stdin);
#if defined(__DBG)
puts("checkpoint 11");
#endif
/*recieve a reply from the server*/
recvlength = recv(sock, server_reply, 2000, 0);
#if defined(__DBG)
puts("checkpoint 12");
#endif
if (recvlength < 0)
{
puts("recv failed.");
break;
}
else if (recvlength == 0)
{
puts("server sent no output.");
}
else
{
puts("server reply: ");
puts(server_reply);
}
for (int i = 0; i < 2000; ++i)
{
server_reply[i] = 0;
}
fflush(stdout);
}
close(sock);
return 0;
}
/**********************************************************************************************************************/
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