diff options
Diffstat (limited to 'dhcpv4')
| -rw-r--r-- | dhcpv4/dhcpv4.go | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/dhcpv4/dhcpv4.go b/dhcpv4/dhcpv4.go index 0108a09..49eeae1 100644 --- a/dhcpv4/dhcpv4.go +++ b/dhcpv4/dhcpv4.go @@ -375,14 +375,19 @@ func (d *DHCPv4) SetClientHwAddr(clientHwAddr []byte) { } } +// ServerHostName returns the server host name as a sequence of bytes. func (d *DHCPv4) ServerHostName() [64]byte { return d.serverHostName } +// ServerHostNameToString returns the server host name as a string, after +// trimming the null bytes at the end. func (d *DHCPv4) ServerHostNameToString() string { return strings.TrimRight(string(d.serverHostName[:]), "\x00") } +// SetServerHostName replaces the server host name, from a sequence of bytes, +// truncating it to the maximum length of 64. func (d *DHCPv4) SetServerHostName(serverHostName []byte) { if len(serverHostName) > 64 { serverHostName = serverHostName[:64] @@ -397,14 +402,19 @@ func (d *DHCPv4) SetServerHostName(serverHostName []byte) { d.serverHostName = newServerHostName } +// BootFileName returns the boot file name as a sequence of bytes. func (d *DHCPv4) BootFileName() [128]byte { return d.bootFileName } +// BootFileNameToString returns the boot file name as a string, after trimming +// the null bytes at the end. func (d *DHCPv4) BootFileNameToString() string { return strings.TrimRight(string(d.bootFileName[:]), "\x00") } +// SetBootFileName replaces the boot file name, from a sequence of bytes, +// truncating it to the maximum length oh 128. func (d *DHCPv4) SetBootFileName(bootFileName []byte) { if len(bootFileName) > 128 { bootFileName = bootFileName[:128] @@ -419,10 +429,13 @@ func (d *DHCPv4) SetBootFileName(bootFileName []byte) { d.bootFileName = newBootFileName } +// Options returns the DHCPv4 options defined for the packet. func (d *DHCPv4) Options() []Option { return d.options } +// StrippedOptions works like Options, but it does not return anything after the +// End option. func (d *DHCPv4) StrippedOptions() []Option { // differently from Options() this function strips away anything coming // after the End option (normally just Pad options). @@ -436,10 +449,12 @@ func (d *DHCPv4) StrippedOptions() []Option { return strippedOptions } +// SetOptions replaces the current options with the provided ones. func (d *DHCPv4) SetOptions(options []Option) { d.options = options } +// AddOption appends an option to the existing ones. func (d *DHCPv4) AddOption(option Option) { d.options = append(d.options, option) } @@ -449,6 +464,7 @@ func (d *DHCPv4) String() string { d.OpcodeToString(), d.HwTypeToString(), d.ClientHwAddr()) } +// Summary prints detailed information about the packet. func (d *DHCPv4) Summary() string { ret := fmt.Sprintf( "DHCPv4\n"+ |