ddn.lib.pcap.error

Error handling for libpcap.

This module defines the PcapStatus enumeration for return codes and the PcapError structure for encapsulated error information.

Dejan Lekić

BSD-3-Clause

Types 2

Status codes returned by libpcap functions.

SUCCESS = 0Success

ERROR = - 1Generic error code

ERROR_BREAK = - 2Loop terminated by pcap_breakloop

ERROR_NOT_ACTIVATED = - 3The capture needs to be activated

ERROR_ACTIVATED = - 4The operation can't be performed on already activated captures

ERROR_NO_SUCH_DEVICE = - 5No such device exists

ERROR_RFMON_NOTSUP = - 6This device doesn't support rfmon (monitor) mode

ERROR_NOT_RFMON = - 7Operation supported only in monitor mode

ERROR_PERM_DENIED = - 8No permission to open the device

ERROR_IFACE_NOT_UP = - 9Interface isn't up

ERROR_CANTSET_TSTAMP_TYPE = - 10This device doesn't support setting the time stamp type

ERROR_PROMISC_PERM_DENIED = - 11You don't have permission to capture in promiscuous mode

ERROR_TSTAMP_PRECISION_NOTSUP = - 12The requested time stamp precision is not supported

ERROR_CAPTURE_NOTSUP = - 13Capture mechanism not available

WARNING = 1Generic warning code

WARNING_PROMISC_NOTSUP = 2This device doesn't support promiscuous mode

WARNING_TSTAMP_TYPE_NOTSUP = 3The requested time stamp type is not supported

Encapsulates error information from libpcap.

Fields

PcapStatus status

string message

Methods

string toString() constFormats the error for display.

fnbool isError(PcapStatus status) pure nothrow @safe @nogcChecks if the given status code represents an error.

fnbool isWarning(PcapStatus status) pure nothrow @safe @nogcChecks if the given status code represents a warning.

fnstring statusToString(PcapStatus status)Returns a human-readable string representation of a `PcapStatus`.

fnPcapStatus safePcapStatus(int code, out int rawCode)Safely converts an integer status code from libpcap into a `PcapStatus`.