DataLen Packet class method, return 8 bytes with packet length in little endian order.

Metric class constructor.

Packet class cunstructor.

Sender class constructor.

Method Sender class, send packet to zabbix.

Method Sender class, make connection to uri.

Method Sender class, return zabbix header.

Method Sender class, resolve uri by name:port.

Method Sender class, read data from connection.