folly::IPAddress::createNetwork

Create a network and mask from a CIDR formatted address string.

Synopsis

Declared in <folly/IPAddress.h>

static
CIDRNetwork
createNetwork(
    StringPiece ipSlashCidr,
    int defaultCidr = ‐1,
    bool mask = true);

Same as tryCreateNetwork() but throws on error.

Throws IPAddressFormatException if ipSlashCidr is not a valid CIDR‐formatted address.

pair with IPAddress network and uint8_t mask

Name

Description

ipSlashCidr

IP/CIDR formatted string to split.

defaultCidr

Default value if no /N is specified (if ‐1, uses /32 for IPv4 and /128 for IPv6).

mask

Whether to apply the mask on the address, e.g. 192.168.13.46/24 => 192.168.13.0/24.

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