kolibrios-gitea/programs/develop/ktcc/trunk/samples/net/tcpsrv_demo.c
turbocat e08c6968ef ktcc: rollback to r9529
git-svn-id: svn://kolibrios.org@9558 a494cfbc-eb01-0410-851d-a64ba20cac60
2022-01-02 12:16:17 +00:00

39 lines
1.0 KiB
C

#include <net/socket.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
const char msg1[]="Hello!";
char msg2='\0';
int main()
{
struct sockaddr addr={AF_INET4, PORT(23) , 0, 0};
int sk1=socket(AF_INET4, SOCK_STREAM, IPPROTO_TCP);
printf("Open socket: %d. Status: %s\n",sk1, strerror(errno));
bind(sk1, &addr,sizeof(addr));
printf("Socket binding. Status: %s\n", strerror(errno));
listen(sk1, 1);
printf("Listening to a socket. Status: %s\n", strerror(errno));
printf("You can connect to 'tcp server' via 'telnet' on localhost:23 !");
int sk2 = accept(sk1, &addr, sizeof(addr));
printf("Accept done. Status: %s\n", strerror(errno));
send(sk2, msg1, strlen(msg1),MSG_NOFLAG);
printf("Send message: '%s'. Status: %s\n",msg1, strerror(errno));
puts("Received data:");
while(msg2!='!')
{
recv(sk2, &msg2, 1, MSG_NOFLAG);
printf("%c",msg2);
}
close(sk1);
close(sk2);
puts("\nGood bye!");
exit(0);
}