Exemple #1
0
SOCKET sockets_accept(SOCKET s, struct sockaddr *addr, socklen_t *addrlen)
{
	SOCKET client = INVALID_SOCKET;

	sockets_begin(s, FD_ACCEPT);

	do {
		client = WSAAccept(s, addr, addrlen, NULL, 0);
	} while (SOCKET_ISERR(client) && !sockets_wait(INFINITE));

	sockets_end(s);
	return client;
}
Exemple #2
0
static int gdb_server(int port)
{
	int sock;
	int client;
	struct sockaddr_in addr;
	socklen_t len;
	int arg;
	struct gdb_data data;
	int i;

	sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
	if (SOCKET_ISERR(sock)) {
		pr_error("gdb: can't create socket");
		return -1;
	}

	arg = 1;
	if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
		       (void *)&arg, sizeof(arg)) < 0)
		pr_error("gdb: warning: can't reuse socket address");

	addr.sin_family = AF_INET;
	addr.sin_port = htons(port);
	addr.sin_addr.s_addr = htonl(INADDR_ANY);
	if (bind(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
		printc_err("gdb: can't bind to port %d: %s\n",
			port, last_error());
		closesocket(sock);
		return -1;
	}

	if (listen(sock, 1) < 0) {
		pr_error("gdb: can't listen on socket");
		closesocket(sock);
		return -1;
	}

	printc("Bound to port %d. Now waiting for connection...\n", port);

	len = sizeof(addr);
	client = sockets_accept(sock, (struct sockaddr *)&addr, &len);
	if (SOCKET_ISERR(client)) {
		pr_error("gdb: failed to accept connection");
		closesocket(sock);
		return -1;
	}

	closesocket(sock);
	printc("Client connected from %s:%d\n",
	       inet_ntoa(addr.sin_addr), htons(addr.sin_port));

	gdb_init(&data, client);

	/* Put the hardware breakpoint setting into a known state. */
	printc("Clearing all breakpoints...\n");
	for (i = 0; i < device_default->max_breakpoints; i++)
		device_setbrk(device_default, i, 0, 0);

#ifdef DEBUG_GDB
	printc("starting GDB reader loop...\n");
#endif
	gdb_reader_loop(&data);
#ifdef DEBUG_GDB
	printc("... reader loop returned\n");
#endif
	closesocket(client);

	return data.error ? -1 : 0;
}