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Diffstat (limited to 'base/inet.cc')
| -rw-r--r-- | base/inet.cc | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/base/inet.cc b/base/inet.cc deleted file mode 100644 index 2e1c4c84b..000000000 --- a/base/inet.cc +++ /dev/null @@ -1,208 +0,0 @@ -/* - * Copyright (c) 2002-2005 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <cstdio> -#include <sstream> -#include <string> - -#include "base/cprintf.hh" -#include "sim/host.hh" -#include "base/inet.hh" - -using namespace std; -namespace Net { - -EthAddr::EthAddr() -{ - memset(data, 0, ETH_ADDR_LEN); -} - -EthAddr::EthAddr(const uint8_t ea[ETH_ADDR_LEN]) -{ - *data = *ea; -} - -EthAddr::EthAddr(const eth_addr &ea) -{ - *data = *ea.data; -} - -EthAddr::EthAddr(const std::string &addr) -{ - parse(addr); -} - -const EthAddr & -EthAddr::operator=(const eth_addr &ea) -{ - *data = *ea.data; - return *this; -} - -const EthAddr & -EthAddr::operator=(const std::string &addr) -{ - parse(addr); - return *this; -} - -void -EthAddr::parse(const std::string &addr) -{ - // the hack below is to make sure that ETH_ADDR_LEN is 6 otherwise - // the sscanf function won't work. - int bytes[ETH_ADDR_LEN == 6 ? ETH_ADDR_LEN : -1]; - if (sscanf(addr.c_str(), "%x:%x:%x:%x:%x:%x", &bytes[0], &bytes[1], - &bytes[2], &bytes[3], &bytes[4], &bytes[5]) != ETH_ADDR_LEN) { - memset(data, 0xff, ETH_ADDR_LEN); - return; - } - - for (int i = 0; i < ETH_ADDR_LEN; ++i) { - if (bytes[i] & ~0xff) { - memset(data, 0xff, ETH_ADDR_LEN); - return; - } - - data[i] = bytes[i]; - } -} - -string -EthAddr::string() const -{ - stringstream stream; - stream << *this; - return stream.str(); -} - -bool -operator==(const EthAddr &left, const EthAddr &right) -{ - return memcmp(left.bytes(), right.bytes(), ETH_ADDR_LEN); -} - -ostream & -operator<<(ostream &stream, const EthAddr &ea) -{ - const uint8_t *a = ea.addr(); - ccprintf(stream, "%x:%x:%x:%x:%x:%x", a[0], a[1], a[2], a[3], a[4], a[5]); - return stream; -} - -uint16_t -cksum(const IpPtr &ptr) -{ - int sum = ip_cksum_add(ptr->bytes(), ptr->hlen(), 0); - return ip_cksum_carry(sum); -} - -uint16_t -__tu_cksum(const IpPtr &ip) -{ - int tcplen = ip->len() - ip->hlen(); - int sum = ip_cksum_add(ip->payload(), tcplen, 0); - sum = ip_cksum_add(&ip->ip_src, 8, sum); // source and destination - sum += htons(ip->ip_p + tcplen); - return ip_cksum_carry(sum); -} - -uint16_t -cksum(const TcpPtr &tcp) -{ return __tu_cksum(IpPtr(tcp.packet())); } - -uint16_t -cksum(const UdpPtr &udp) -{ return __tu_cksum(IpPtr(udp.packet())); } - -bool -IpHdr::options(vector<const IpOpt *> &vec) const -{ - vec.clear(); - - const uint8_t *data = bytes() + sizeof(struct ip_hdr); - int all = hlen() - sizeof(struct ip_hdr); - while (all > 0) { - const IpOpt *opt = (const IpOpt *)data; - int len = opt->len(); - if (all < len) - return false; - - vec.push_back(opt); - all -= len; - data += len; - } - - return true; -} - -bool -TcpHdr::options(vector<const TcpOpt *> &vec) const -{ - vec.clear(); - - const uint8_t *data = bytes() + sizeof(struct tcp_hdr); - int all = off() - sizeof(struct tcp_hdr); - while (all > 0) { - const TcpOpt *opt = (const TcpOpt *)data; - int len = opt->len(); - if (all < len) - return false; - - vec.push_back(opt); - all -= len; - data += len; - } - - return true; -} - -bool -TcpOpt::sack(vector<SackRange> &vec) const -{ - vec.clear(); - - const uint8_t *data = bytes() + sizeof(struct tcp_hdr); - int all = len() - offsetof(tcp_opt, opt_data.sack); - while (all > 0) { - const uint16_t *sack = (const uint16_t *)data; - int len = sizeof(uint16_t) * 2; - if (all < len) { - vec.clear(); - return false; - } - - vec.push_back(RangeIn(ntohs(sack[0]), ntohs(sack[1]))); - all -= len; - data += len; - } - - return false; -} - -/* namespace Net */ } |