Data Format

Structures of the Network Component. More...

Data Structures
struct	NET_ADDR
	Network Address IPv4/IPv6 capable. More...
struct	NET_ADDR4
	Network Address IPv4 only. More...

Description

Structures of the Network Component.

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Data Structure Documentation

NET_ADDR

struct NET_ADDR

Network Address IPv4/IPv6 capable.

NET_ADDR allows to store IPv4 and IPv6 addresses along with the Internet socket port number. addr_type indicates the IP address format for addr. addr contains the IP address in binary format, whereby the MSB is stored first.

Example:

IP Address (ASCII)	addr_type	addr
192.168.0.1	NET_ADDR_IP4	0xC0 0xA8 0x00 0x01
fe80:0000:0000:0000:1c30:6cff:fea2:455e	NET_ADDR_IP6	0xFE 0x80 0x00 0x00 0x00 0x00 0x00 0x1C 0x30 0x6C 0xFF 0xFE 0xA2 0x45 0x5E
fe80::1c30:6cff:fea2:455e	NET_ADDR_IP6	0xFE 0x80 0x00 0x00 0x00 0x00 0x00 0x1C 0x30 0x6C 0xFF 0xFE 0xA2 0x45 0x5E

The functions netIP_ntoa and netIP_aton can be used to convert IP addresses from ASCII to binary and vice versa.

Data Fields
uint8_t	addr[NET_ADDR_IP6_LEN]	IPv4 or IPv6 address (array 16 bytes, MSB first)
int16_t	addr_type	IP address type: NET_ADDR_IP4 or NET_ADDR_IP6.
uint16_t	port	Internet socket port number.

NET_ADDR4

struct NET_ADDR4

Network Address IPv4 only.

NET_ADDR4 allows to store only IPv4 addresses along with the Internet socket port number. Use this struct if you only use IPv4 to save memory. addr_type indicates the IP address format for addr. addr contains the IP address in binary format, whereby the MSB is stored first. Since only IPv4 addresses can be stored, the value for addr_type should be set to NET_ADDR_IP4.

Data Fields
uint8_t	addr[NET_ADDR_IP4_LEN]	IPv4 address (array 4 bytes, MSB first)
int16_t	addr_type	IP address type: NET_ADDR_IP4.
uint16_t	port	Internet socket port number.