ns-emulate.tcl
上传用户:rrhhcc
上传日期:2015-12-11
资源大小:54129k
文件大小:1k
- #
- # ns-emulate.tcl
- # defaults for nse [ns with emulation support]
- #
- if [TclObject is-class Network/Pcap/Live] {
- Network/Pcap/Live set snaplen_ 4096;# bpf snap len
- Network/Pcap/Live set promisc_ false;
- Network/Pcap/Live set timeout_ 0
- Network/Pcap/Live set optimize_ true;# bpf code optimizer
- Network/Pcap/Live set offset_ 0.0; #
- Network/Pcap/File set offset_ 0.0; # ts for 1st pkt in trace file
- }
- if [TclObject is-class Agent/Tap] {
- Agent/Tap set maxpkt_ 1600
- }
- if [TclObject is-class Agent/TCPTap] {
- Agent/TCPTap set maxpkt_ 1600
- }
- if [TclObject is-class Agent/IcmpAgent] {
- Agent/IcmpAgent set ttl_ 254
- }
- if [TclObject is-class Agent/IPTap] {
- Agent/IPTap set maxpkt_ 1600
- }
- if [TclObject is-class ArpAgent] {
- ArpAgent set cachesize_ 10; # entries in arp cache
- ArpAgent instproc init {} {
- $self next
- }
- ArpAgent instproc config ifname {
- $self instvar net_ myether_ myip_
- set net_ [new Network/Pcap/Live]
- $net_ open readwrite $ifname
- set myether_ [$net_ linkaddr]
- set myip_ [$net_ netaddr]
- $net_ filter "arp and (not ether src $myether_) and
- (ether dst $myether_
- or ether dst ff:ff:ff:ff:ff:ff)"
- $self cmd network $net_
- $self cmd myether $myether_
- $self cmd myip $myip_
- }
- }