diff options
Diffstat (limited to 'src/lib/dhcp/hwaddr.cc')
-rw-r--r-- | src/lib/dhcp/hwaddr.cc | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/lib/dhcp/hwaddr.cc b/src/lib/dhcp/hwaddr.cc new file mode 100644 index 0000000..9416f2d --- /dev/null +++ b/src/lib/dhcp/hwaddr.cc @@ -0,0 +1,86 @@ +// Copyright (C) 2012-2016 Internet Systems Consortium, Inc. ("ISC") +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include <config.h> + +#include <dhcp/hwaddr.h> +#include <dhcp/dhcp4.h> +#include <exceptions/exceptions.h> +#include <util/strutil.h> +#include <iomanip> +#include <sstream> +#include <vector> +#include <string.h> + +namespace isc { +namespace dhcp { + +const uint32_t HWAddr::HWADDR_SOURCE_ANY = 0xffffffff; +const uint32_t HWAddr::HWADDR_SOURCE_UNKNOWN = 0x00000000; +const uint32_t HWAddr::HWADDR_SOURCE_RAW = 0x00000001; +const uint32_t HWAddr::HWADDR_SOURCE_DUID = 0x00000002; +const uint32_t HWAddr::HWADDR_SOURCE_IPV6_LINK_LOCAL = 0x00000004; +const uint32_t HWAddr::HWADDR_SOURCE_CLIENT_ADDR_RELAY_OPTION = 0x00000008; +const uint32_t HWAddr::HWADDR_SOURCE_REMOTE_ID = 0x00000010; +const uint32_t HWAddr::HWADDR_SOURCE_SUBSCRIBER_ID = 0x00000020; +const uint32_t HWAddr::HWADDR_SOURCE_DOCSIS_CMTS = 0x00000040; +const uint32_t HWAddr::HWADDR_SOURCE_DOCSIS_MODEM = 0x00000080; + +HWAddr::HWAddr() + :htype_(HTYPE_ETHER), source_(0) { +} + +HWAddr::HWAddr(const uint8_t* hwaddr, size_t len, uint16_t htype) + :hwaddr_(hwaddr, hwaddr + len), htype_(htype), source_(0) { + if (len > MAX_HWADDR_LEN) { + isc_throw(isc::BadValue, "hwaddr length exceeds MAX_HWADDR_LEN"); + } +} + +HWAddr::HWAddr(const std::vector<uint8_t>& hwaddr, uint16_t htype) + :hwaddr_(hwaddr), htype_(htype), source_(0) { + if (hwaddr.size() > MAX_HWADDR_LEN) { + isc_throw(isc::BadValue, + "address vector size exceeds MAX_HWADDR_LEN"); + } +} + +std::string HWAddr::toText(bool include_htype) const { + std::stringstream tmp; + if (include_htype) { + tmp << "hwtype=" << static_cast<unsigned int>(htype_) << " "; + } + tmp << std::hex; + bool delim = false; + for (std::vector<uint8_t>::const_iterator it = hwaddr_.begin(); + it != hwaddr_.end(); ++it) { + if (delim) { + tmp << ":"; + } + tmp << std::setw(2) << std::setfill('0') << static_cast<unsigned int>(*it); + delim = true; + } + return (tmp.str()); +} + +HWAddr +HWAddr::fromText(const std::string& text, const uint16_t htype) { + std::vector<uint8_t> binary; + util::str::decodeColonSeparatedHexString(text, binary); + return (HWAddr(binary, htype)); +} + +bool HWAddr::operator==(const HWAddr& other) const { + return ((this->htype_ == other.htype_) && + (this->hwaddr_ == other.hwaddr_)); +} + +bool HWAddr::operator!=(const HWAddr& other) const { + return !(*this == other); +} + +}; // end of isc::dhcp namespace +}; // end of isc namespace |