示例#1
0
// New returns a new Tox instance.
func New(o *Options) (*Tox, error) {
	var ctox *C.Tox

	if o != nil {
		// Let's map o from Options to C.Tox_Options
		cIPv6Enabled := (C.uint8_t)(0)
		if o.IPv6Enabled {
			cIPv6Enabled = (C.uint8_t)(1)
		}
		cUDPDisabled := (C.uint8_t)(0)
		if o.UDPDisabled {
			cUDPDisabled = (C.uint8_t)(1)
		}
		cProxyEnabled := (C.uint8_t)(0)
		if o.ProxyEnabled {
			cProxyEnabled = (C.uint8_t)(1)
		}
		cProxyPort := (C.uint16_t)(o.ProxyPort)

		// Max ProxyAddress length is 255
		if len(o.ProxyAddress) > 255 {
			return nil, ErrArgs
		}
		// Ugly hack
		cProxyAddress := [256]C.char{}
		for i, c := range o.ProxyAddress {
			cProxyAddress[i] = C.char(c)
		}
		// NULL terminated C.char array required.
		cProxyAddress[len(o.ProxyAddress)] = 0

		co := &C.Tox_Options{
			ipv6enabled:   cIPv6Enabled,
			udp_disabled:  cUDPDisabled,
			proxy_enabled: cProxyEnabled,
			proxy_address: cProxyAddress,
			proxy_port:    cProxyPort}

		ctox = C.tox_new(co)
	} else {
		ctox = C.tox_new(nil)
	}

	if ctox == nil {
		return nil, ErrInit
	}

	t := &Tox{tox: ctox}

	return t, nil
}
示例#2
0
文件: tox.go 项目: josephyzhou/libtox
// Create or restore a Tox instance. This will bring the instance into a valid
// state. If the startup options parameter is null, then the default options
// are used. If the data parameter is not null, then this function will attempt
// to restore the instance from that state. The user data parameter can be used
// to pass custom information to callback functions.
func New(options *ToxOptions, data []byte, userData unsafe.Pointer) (tox *Tox, throw error) {
	// Create some uninitialized variables for interfacing with C.
	var c_options *C.struct_Tox_Options
	var c_data *C.uint8_t
	var c_length C.size_t
	var c_tox *C.Tox
	var c_error C.TOX_ERR_NEW
	// Check if any custom startup options were provided.
	if options != nil {
		// Convert the startup options to their C-side equivilant.
		c_options = options.cOptions()
		defer C.free(unsafe.Pointer(c_options.proxy_host))
	}
	// Check if any previously saved data was provided.
	if data != nil {
		// Assign the pointer to the location of that data.
		c_data = (*C.uint8_t)(&data[0])
	}
	// Get the length of the previously saved data.
	c_length = C.size_t(len(data))
	// Create a Tox instance.
	c_tox = C.tox_new(c_options, c_data, c_length, &c_error)
	// Check if an error occurred.
	if c_error != C.TOX_ERR_NEW_OK {
		// Assign the error to the return value.
		switch c_error {
		case C.TOX_ERR_NEW_NULL:
			throw = ToxErrNewNull
		case C.TOX_ERR_NEW_MALLOC:
			throw = ToxErrNewMalloc
		case C.TOX_ERR_NEW_PORT_ALLOC:
			throw = ToxErrNewPortAlloc
		case C.TOX_ERR_NEW_PROXY_BAD_TYPE:
			throw = ToxErrNewProxyBadType
		case C.TOX_ERR_NEW_PROXY_BAD_HOST:
			throw = ToxErrNewProxyBadHost
		case C.TOX_ERR_NEW_PROXY_BAD_PORT:
			throw = ToxErrNewProxyBadPort
		case C.TOX_ERR_NEW_PROXY_NOT_FOUND:
			throw = ToxErrNewProxyNotFound
		case C.TOX_ERR_NEW_LOAD_ENCRYPTED:
			throw = ToxErrNewLoadEncrypted
		case C.TOX_ERR_NEW_LOAD_BAD_FORMAT:
			throw = ToxErrNewLoadBadFormat
		default:
			throw = ToxErrUnknown
		}
	} else {
		// Assign the Tox instance to the return value.
		tox = &Tox{handle: c_tox, UserData: userData}
	}
	return
}