42/42_SIDE_exam_06_miniserv
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first version can receive connection with message

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asus
2023-02-08 18:12:25 +01:00
parent 00a8022cfd
commit e93e69871f
2 changed files with 23 additions and 13 deletions
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mini_serv.c
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@@ -38,6 +38,24 @@ void error(char *str) {
exit(1); exit(1);
} }
int init_socket(struct sockaddr_in *addr, int len, int port) {
int server_fd;
if ( (server_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
error("Fatal error\n");
bzero(addr, len);
addr->sin_family = AF_INET;
addr->sin_addr.s_addr = htonl(2130706433); //127.0.0.1
addr->sin_port = htons(port);
if (bind(server_fd, (const struct sockaddr *)addr, len) == -1)
error("Fatal error\n");
if (listen(server_fd, 10) == -1)
error("Fatal error\n");
return server_fd;
}
int main(int ac, char **av) { int main(int ac, char **av) {
int port; int port;
int server_fd; int server_fd;
@@ -51,19 +69,9 @@ int main(int ac, char **av) {
error("Wrong number of arguments\n"); error("Wrong number of arguments\n");
if ( (port = atoi(av[1])) == -1) if ( (port = atoi(av[1])) == -1)
error("Fatal error\n"); error("Fatal error\n");
if ( (server_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
error("Fatal error\n");
bzero(&addr, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(2130706433); //127.0.0.1
addr.sin_port = htons(port);
len = sizeof(addr); len = sizeof(addr);
if (bind(server_fd, (const struct sockaddr *)&addr, len) == -1)
error("Fatal error\n"); server_fd = init_socket(&addr, len, port);
if (listen(server_fd, 10) == -1)
error("Fatal error\n");
while (1) { while (1) {
if ( (client_fd = accept(server_fd, (struct sockaddr *)&addr, &len)) == -1) if ( (client_fd = accept(server_fd, (struct sockaddr *)&addr, &len)) == -1)
@@ -71,8 +79,10 @@ int main(int ac, char **av) {
FD_ZERO(&fds); FD_ZERO(&fds);
FD_SET(client_fd, &fds); FD_SET(client_fd, &fds);
select(client_fd + 1, &fds, NULL, NULL, NULL); select(client_fd + 1, &fds, NULL, NULL, NULL);
if (FD_ISSET(client_fd, &fds)) if (FD_ISSET(client_fd, &fds)) {
recv(client_fd, buf, 1024, 0); recv(client_fd, buf, 1024, 0);
putstr(1, buf);
}
} }
return (0); return (0);
} }