Ejemplos de set_sock_priority en C++ (Cpp)

Ejemplo n.º 1

Archivo: cli-main.c Proyecto: schidler/flyzjhz-rt-n56u

int cli_main(int argc, char ** argv) {
#else
int main(int argc, char ** argv) {
#endif

	int sock_in, sock_out;
	char* error = NULL;

	_dropbear_exit = cli_dropbear_exit;
	_dropbear_log = cli_dropbear_log;

	disallow_core();

	seedrandom();
	crypto_init();

	cli_getopts(argc, argv);

	TRACE(("user='******' host='%s' port='%s'", cli_opts.username,
				cli_opts.remotehost, cli_opts.remoteport))

	if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) {
		dropbear_exit("signal() error");
	}

#ifdef ENABLE_CLI_PROXYCMD
	if (cli_opts.proxycmd) {
		cli_proxy_cmd(&sock_in, &sock_out);
		m_free(cli_opts.proxycmd);
	} else
#endif
	{
		int sock = connect_remote(cli_opts.ipfamily,
				cli_opts.remotehost, cli_opts.remoteport, 
				0, &error);
		sock_in = sock_out = sock;
	 	if (cli_opts.wantpty) {
			set_sock_priority(sock, DROPBEAR_PRIO_LOWDELAY);
	 	}
	}

	if (sock_in < 0) {
		dropbear_exit("%s", error);
	}

	cli_session(sock_in, sock_out);

	/* not reached */
	return -1;
}

Ejemplo n.º 2

Archivo: dbutil.c Proyecto: BBBSnowball/mehari

/* Listen on address:port. 
 * Special cases are address of "" listening on everything,
 * and address of NULL listening on localhost only.
 * Returns the number of sockets bound on success, or -1 on failure. On
 * failure, if errstring wasn't NULL, it'll be a newly malloced error
 * string.*/
int dropbear_listen(const char* address, const char* port,
		int *socks, unsigned int sockcount, char **errstring, int *maxfd) {

	struct addrinfo hints, *res = NULL, *res0 = NULL;
	int err;
	unsigned int nsock;
	struct linger linger;
	int val;
	int sock;

	TRACE(("enter dropbear_listen"))
	
	memset(&hints, 0, sizeof(hints));
	hints.ai_family = AF_UNSPEC; /* TODO: let them flag v4 only etc */
	hints.ai_socktype = SOCK_STREAM;

	/* for calling getaddrinfo:
	 address == NULL and !AI_PASSIVE: local loopback
	 address == NULL and AI_PASSIVE: all interfaces
	 address != NULL: whatever the address says */
	if (!address) {
		TRACE(("dropbear_listen: local loopback"))
	} else {
		if (address[0] == '\0') {
			TRACE(("dropbear_listen: all interfaces"))
			address = NULL;
		}
		hints.ai_flags = AI_PASSIVE;
	}
	err = getaddrinfo(address, port, &hints, &res0);

	if (err) {
		if (errstring != NULL && *errstring == NULL) {
			int len;
			len = 20 + strlen(gai_strerror(err));
			*errstring = (char*)m_malloc(len);
			snprintf(*errstring, len, "Error resolving: %s", gai_strerror(err));
		}
		if (res0) {
			freeaddrinfo(res0);
			res0 = NULL;
		}
		TRACE(("leave dropbear_listen: failed resolving"))
		return -1;
	}


	nsock = 0;
	for (res = res0; res != NULL && nsock < sockcount;
			res = res->ai_next) {

		/* Get a socket */
		socks[nsock] = socket(res->ai_family, res->ai_socktype,
				res->ai_protocol);

		sock = socks[nsock]; /* For clarity */

		if (sock < 0) {
			err = errno;
			TRACE(("socket() failed"))
			continue;
		}

		/* Various useful socket options */
		val = 1;
		/* set to reuse, quick timeout */
		setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*) &val, sizeof(val));
		linger.l_onoff = 1;
		linger.l_linger = 5;
		setsockopt(sock, SOL_SOCKET, SO_LINGER, (void*)&linger, sizeof(linger));

#if defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY)
		if (res->ai_family == AF_INET6) {
			int on = 1;
			if (setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, 
						&on, sizeof(on)) == -1) {
				dropbear_log(LOG_WARNING, "Couldn't set IPV6_V6ONLY");
			}
		}
#endif

		set_sock_priority(sock);

		if (bind(sock, res->ai_addr, res->ai_addrlen) < 0) {
			err = errno;
			close(sock);
			TRACE(("bind(%s) failed", port))
			continue;
		}