int main(void)
{
int i;
vector v;
vector_init(&v);
// char temp1[20]
vector_add(&v, 1);
vector_add(&v, 2);
vector_add(&v, 3);
vector_add(&v, 4);
for (i = 0; i < vector_total(&v); i++)
printf("%s ", (char *) vector_get(&v, i));
printf("\n");
vector_delete(&v, 3);
vector_delete(&v, 2);
vector_delete(&v, 1);
vector_set(&v, 0, "Hello");
vector_add(&v, "World");
for (i = 0; i < vector_total(&v); i++)
printf("%s ", (char *) vector_get(&v, i));
printf("\n");
vector_free(&v);
}
int main(void) {
int i;
vector v;
vector_init(&v);
vector_add(&v, "Bonjour");
vector_add(&v, "tout");
vector_add(&v, "le");
vector_add(&v, "monde");
for (i = 0; i < vector_total(&v); i++)
printf("%s ", (char *) vector_get(&v, i));
printf("\n");
vector_delete(&v, 3);
vector_delete(&v, 2);
vector_delete(&v, 1);
vector_set(&v, 0, "Hello");
vector_add(&v, "World");
for (i = 0; i < vector_total(&v); i++)
printf("%s ", (char *) vector_get(&v, i));
printf("\n");
vector_free(&v);
}
void receive_user_data(void)
{
char buf[BUF_SIZE] = {0};
char message[BUF_SIZE] = {0};
char *name;
Client *client;
int read_bytes = read(0, buf, BUF_SIZE);
assert(read_bytes < BUF_SIZE);
if (read_bytes == -1) {
warn("Could not read from STDIN data.");
return;
}
if (read_bytes == 1) {
/* read only LF symbol */
info("Could not send empty message.");
return;
}
/* remove last LF symbol readed from stdin */
buf[read_bytes - 1] = '\0';
switch(parse_user_command(buf)) {
case KILL:
name = get_command_argument(buf);
if (!name) {
warn("Name of client should be provided.");
break;
}
client = vector_delete_first_equal(_s_clients, name, cmp_clients_by_name);
info("Server has '%d' clients.", vector_total(_s_clients));
if (client) {
sprintf(message, "The client '%s' left the chat.", client->name);
send_broadcast_msg(message);
info("%s", message);
/* send info data to client */
sprintf(message, "server: You was killed.");
send_msg(client, message);
client_destroy(client);
} else {
info("Client '%s' was not found.", name);
}
break;
case SHUTDOWN:
sprintf(message, "The server is going shutdown. Bye.");
send_broadcast_msg(message);
_s_runing = 0;
info("%s", message);
break;
case WHO:
vector_foreach(_s_clients, message, collect_all_names);
info("All clients: '%s'", message);
break;
default:
warn("Unknown command. Allowed commands: _kill <name>, _shutdown, _who");
break;
}
}
int main(int argc, char** argv)
{
Connection *server = NULL;
Client *client = NULL;
fd_set readf;
int maxfd;
int server_socket;
int client_fd;
int i;
int ready;
int amount;
args_parse(argc, argv);
if (_s_server_port < 0 || _s_server_port > 65535) {
_s_server_port = SERVER_PORT;
}
if (_s_con_type == TCP) {
info("Server will use TCP connection.");
} else if (_s_con_type == UDP) {
info("Server will use UDP connection.");
} else {
fatal("You should provide connection type.");
}
server = connection_server_create(_s_con_type, "0.0.0.0", _s_server_port,
MAX_AMOUNT_CLIENTS);
server_socket = connection_get_fd(server);
_s_clients = vector_create();
info("Server has started on port '%d'.", _s_server_port);
info("Allowed commands:"
"\n\t1) _who"
"\n\t2) _kill <name>"
"\n\t3) _shutdown");
_s_runing = 1;
while(_s_runing) {
FD_ZERO(&readf);
maxfd = server_socket;
if (connection_get_type(server) == TCP) {
for (i = 0; i < vector_total(_s_clients); ++i) {
client = vector_get(_s_clients, i);
client_fd = connection_get_fd(client->conn);
FD_SET(client_fd, &readf);
if (client_fd > maxfd) {
maxfd = client_fd;
}
}
}
FD_SET(server_socket, &readf);
FD_SET(0, &readf);
ready = select(maxfd + 1, &readf, 0, 0, 0);
/* read data from user terminal */
if (FD_ISSET(0, &readf)) {
receive_user_data();
if (--ready <= 0) {
/* no more descriptors for handling */
continue;
}
}
/* got something on server connection */
if (FD_ISSET(server_socket, &readf)) {
/* new client connection */
handle_server_event(server);
if (--ready <= 0) {
/* no more descriptors for handling */
continue;
}
}
if (connection_get_type(server) == TCP) {
/* read data from clients */
amount = vector_total(_s_clients);
for (i = 0; i <= amount; ++i) {
/* check all clients for data */
client = vector_get(_s_clients, i);
if (client == NULL) {
assert("Client is NULL" == NULL);
continue;
}
if (FD_ISSET(connection_get_fd(client->conn), &readf)) {
receive_tcp_client_data(client);
if (--ready <= 0) {
/* no more descriptors for handling */
break;
}
}
}
}
}
info("Close all sockets and removing all clients...");
close(server_socket);
amount = vector_total(_s_clients);
for (i = 0; i <= amount; ++i) {
if ((client = vector_get(_s_clients, i)) != NULL) {
close(connection_get_fd(client->conn));
client_destroy(client);
};
}
vector_free(_s_clients);
info("Done.");
}
