Пример #1
0
static int
string_writer_process(struct sol_flow_node *node, void *data, uint16_t port, uint16_t conn_id, const struct sol_flow_packet *packet)
{
    struct unix_socket_data *mdata = data;
    const char *val;
    size_t len;
    int r;

    r = sol_flow_packet_get_string(packet, &val);
    SOL_INT_CHECK(r, < 0, r);

    len = strlen(val);
    if (unix_socket_write(mdata->un_socket, &len, sizeof(len)) < 0) {
        SOL_WRN("Failed to write the string length");
        return -1;
    }

    return unix_socket_write(mdata->un_socket, val, len);
}
Пример #2
0
static int
float_writer_process(struct sol_flow_node *node, void *data, uint16_t port, uint16_t conn_id, const struct sol_flow_packet *packet)
{
    struct unix_socket_data *mdata = data;
    int r;
    double val;

    r = sol_flow_packet_get_drange_value(packet, &val);
    SOL_INT_CHECK(r, < 0, r);

    return unix_socket_write(mdata->un_socket, &val, sizeof(val));
}
Пример #3
0
static int
direction_vector_writer_process(struct sol_flow_node *node, void *data, uint16_t port, uint16_t conn_id, const struct sol_flow_packet *packet)
{
    struct unix_socket_data *mdata = data;
    struct sol_direction_vector direction_vector;
    int r;

    r = sol_flow_packet_get_direction_vector(packet, &direction_vector);
    SOL_INT_CHECK(r, < 0, r);

    return unix_socket_write(mdata->un_socket, &direction_vector, sizeof(direction_vector));
}
Пример #4
0
static int
rgb_writer_process(struct sol_flow_node *node, void *data, uint16_t port, uint16_t conn_id, const struct sol_flow_packet *packet)
{
    struct unix_socket_data *mdata = data;
    struct sol_rgb rgb;
    int r;

    r = sol_flow_packet_get_rgb(packet, &rgb);
    SOL_INT_CHECK(r, < 0, r);

    return unix_socket_write(mdata->un_socket, &rgb, sizeof(rgb));
}
Пример #5
0
/*
 *  1 All data succesfully sent
 *  0 Partial send (no error)
 * -1 End of connection
 * -2 Unhandled error
 */
int
unix_socket_client_io_write(struct unix_socket_client *client)
{
	ssize_t sent;
	size_t to_send;
	int res;

	res = 0;

	to_send = dynar_size(&client->send_buffer) - client->msg_already_sent_bytes;
	if (to_send > UNIX_SOCKET_CLIENT_BUFFER) {
		to_send = UNIX_SOCKET_CLIENT_BUFFER;
	}

	sent = unix_socket_write(client->socket,
	    dynar_data(&client->send_buffer) + client->msg_already_sent_bytes,
	    to_send);

	if (sent > 0) {
		client->msg_already_sent_bytes += sent;

		if (client->msg_already_sent_bytes == dynar_size(&client->send_buffer)) {
			return (1);
		}
	}

	if (sent == 0) {
		res = -1;
	}

	if (sent < 0 && errno != EAGAIN && errno != EWOULDBLOCK && errno != EINTR) {
		res = -2;
	}

	return (res);
}