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/*
* som_net / simple library example (c) by jak1
*
* som_net / simple library example is licensed under a
* Creative Commons Attribution-ShareAlike 4.0 International License.
*
* You should have received a copy of the license along with this
* work. If not, see <http://creativecommons.org/licenses/by-sa/4.0/>.
* Footer
*/
#include "hook.h"
static bool client;
void chat(int sockfd)
{
char buff[MAX_BUFFER_SIZE];
int n;
if (client){
for (;;) {
bzero(buff, sizeof(buff));
printf("Enter the string : ");
n = 0;
while ((buff[n++] = getchar()) != '\n')
;
write(sockfd, buff, sizeof(buff));
bzero(buff, sizeof(buff));
read(sockfd, buff, sizeof(buff));
printf("From Server : %s", buff);
if ((strncmp(buff, "exit", 4)) == 0) {
printf("Client Exit...\n");
break;
}
}
}
else
{
for (;;) {
bzero(buff, MAX_BUFFER_SIZE);
read(sockfd, buff, sizeof(buff));
printf("From client: %s\t To client : ", buff);
bzero(buff, MAX_BUFFER_SIZE);
n = 0;
while ((buff[n++] = getchar()) != '\n')
;
write(sockfd, buff, sizeof(buff));
if (strncmp("exit", buff, 4) == 0) {
printf("Server Exit...\n");
break;
}
}
}
}
int start_chat()
{
int sockfd, connfd;
socklen_t len;
struct sockaddr_in servaddr, cli;
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (client)
{
if (sockfd == -1) {
printf("socket creation failed...\n");
exit(0);
}
else
printf("Socket successfully created..\n");
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = inet_addr("127.0.0.1");
servaddr.sin_port = htons(PORT);
if (connect(sockfd, (SA*)&servaddr, sizeof(servaddr))
!= 0) {
printf("connection with the server failed...\n");
exit(0);
}
else
printf("connected to the server..\n");
chat(sockfd);
close(sockfd);
}
else
{
if (sockfd == -1) {
printf("socket creation failed...\n");
exit(0);
}
else
printf("Socket successfully created..\n");
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
servaddr.sin_port = htons(PORT);
if ((bind(sockfd, (SA*)&servaddr, sizeof(servaddr))) != 0) {
printf("socket bind failed...\n");
exit(0);
}
else
printf("Socket successfully binded..\n");
if ((listen(sockfd, 5)) != 0) {
printf("Listen failed...\n");
exit(0);
}
else
printf("Server listening..\n");
len = sizeof(cli);
connfd = accept(sockfd, (SA*)&cli, &len);
if (connfd < 0) {
printf("server accept failed...\n");
exit(0);
}
else
printf("server accept the client...\n");
chat(connfd);
close(sockfd);
}
return 0;
}
void set_client()
{
client = true;
}
bool is_client()
{
return client;
}
void set_server()
{
client = false;
}
bool is_server()
{
return !client;
}
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