Adding hardware emulators into CRON
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1 Adding hardware emulators into CRON Lin Xue, Feb 2011 Add new type for hardware emulator Related database tables: node_types, node_type_attributes Add one column ishdemulator into table node_types to identify hardware emulator: mysql> alter table node_types -> add ishdemulator tinyint(4) NOT NULL default '0'; Query OK, 8 rows affected (0.08 sec) Records: 8 Duplicates: 0 Warnings: 0 Change editnodetype.php3 (/usr/testbed/www) to support ishdemulator Add one type for hdemulator: mysql> insert into node_types set class='hdemulator', ishdemulator=1, type='anue-hawaii'; Query OK, 1 row affected (0.00 sec) Add one new hardware emulator node into nodes table: 1
2 mysql> insert into nodes set node_id='hdem1', type='hdemulator', phys_nodeid='hdem1', role='testnode'; Query OK, 1 row affected (0.00 sec) Add one row in table_regex table for value verify. mysql> REPLACE INTO table_regex VALUES ('node_types','ishdemulator','text','redirect','default:boolean',0,0,null); Query OK, 2 rows affected (0.00 sec) User requires hardware emulator If user need a hardware emulator, the NS script in CRON should be something like this: set link0 [$ns duplex-link $node0 $node Mb 0ms DropTail HardwareEmulator] Add a tag of using hardware emulator into table virt_lans After user requires hardware emulator, we need to add a tag for identifying it in virt_lans mysql> alter table virt_lans -> add hardware_emulator tinyint(4) NOT NULL default '0'; Query OK, 81 rows affected (0.08 sec) Records: 81 Duplicates: 0 Warnings: 0 Source code changed: sim.tcl lanlink.tcl 2
3 Something regarding ASSIGN LoadVirtTypes(); Load virtual types from virt_vtypes LoadPhysInfo(); Load physical information from interface_capabilities, interface_type, nodes.. LoadExperiment(); Load experiments information from experiments LoadVirtNodes(); Load virtual nodes information from virt_nodes LoadVirtLans(); Load virtual lans information from virt_lans Then create virtual topology file like below by CreateTopFile(): Directory at boss, for example: /usr/testbed/expwork/cron/renoytopy boss# vi CRON-RenoYTopo top node node1 pc node node2 pc node node3 pc node router pc node tbdelay0 delay link linksdelaysrc/link1/node1:0,router:0 node1 tbdelay0 0 0 ethernet link linksdelaydst/link1/router:0,node1:0 router tbdelay0 0 0 ethernet 3
4 node tbdelay1 delay link linksdelaysrc/link2/node2:0,router:1 node2 tbdelay1 0 0 ethernet link linksdelaydst/link2/router:1,node2:0 router tbdelay1 0 0 ethernet node tbdelay2 delay link linksdelaysrc/link3/node3:0,router:2 node3 tbdelay2 0 0 ethernet link linksdelaydst/link3/router:2,node3:0 router tbdelay2 0 0 ethernet start run assign create ptop (physical topology file) like below: system("ptopgen $ptopargs > $ptopfile"); node datasw switch:1 *lan:* - - node pc9 pcsun4240:1 pc:1 delay:1 delay-pcsun4240:1 - OS-10015:0 OS-10016:0 OS-10017:0 OS-10018:0 OS-10019:0 OS- node pc3 pcsun4240:1 pc:1 delay:1 delay-pcsun4240:1 - OS-10015:0 OS-10016:0 OS-10017:0 OS-10018:0 OS-10019:0 OS- node pc7 pcsun4240:1 pc:1 delay:1 delay-pcsun4240:1 - OS-10015:0 OS-10016:0 OS-10017:0 OS-10018:0 OS-10019:0 OS- node pc6 pcsun4240:1 pc:1 delay:1 delay-pcsun4240:1 - OS-10015:0 OS-10016:0 OS-10017:0 OS-10018:0 OS-10019:0 OS- node pc1 pcsun4240:1 pc:1 delay:1 delay-pcsun4240:1 - OS-10015:0 OS-10016:0 OS-10017:0 OS-10018:0 OS-10019:0 OS- node pc2 SUN4240pc2only:1 pc:1 - OS-10025:0 OS-10026:0 OS-10023:0 OS-10027:0 OS-10029:0 OS-10031:0 OS-10033:0 OS :0 OS- node pc8 pcsun4240:1 pc:1 delay:1 delay-pcsun4240:1 - OS-10015:0 OS-10016:0 OS-10017:0 OS-10018:0 OS-10019:0 OS- 4
5 link link-pc3:eth4-datasw:(null) pc3:pc3/eth4 datasw:(null) ethernet ethernet-datasw ethernet-mxge ethernet- link link-pc6:eth4-datasw:(null) pc6:pc6/eth4 datasw:(null) ethernet ethernet-datasw ethernet-mxge ethernet- link link-pc7:eth6-datasw:(null) pc7:pc7/eth6 datasw:(null) ethernet ethernet-datasw ethernet-mxge ethernet- link link-pc7:eth3-datasw:(null) pc7:pc7/eth3 datasw:(null) ethernet ethernet-datasw ethernet-mxge ethernet- link link-pc7:eth7-datasw:(null) pc7:pc7/eth7 datasw:(null) ethernet ethernet-datasw ethernet-mxge ethernet- link link-pc7:eth2-datasw:(null) pc7:pc7/eth2 datasw:(null) ethernet ethernet-datasw ethernet-mxge ethernet- link link-pc8:eth4-datasw:(null) pc8:pc8/eth4 datasw:(null) ethernet ethernet-datasw ethernet-mxge ethernet- link link-pc8:eth5-datasw:(null) pc8:pc8/eth5 datasw:(null) ethernet ethernet-datasw ethernet-mxge ethernet- link link-pc9:eth4-datasw:(null) pc9:pc9/eth4 datasw:(null) ethernet ethernet-datasw ethernet-mxge ethernet- link link-pc9:eth5-datasw:(null) pc9:pc9/eth5 datasw:(null) ethernet ethernet-datasw ethernet-mxge ethernet- link link-pc2:eth4-datasw:(null) pc2:pc2/eth4 datasw:(null) ethernet ethernet-datasw ethernet-mxge ethernet- link link-pc1:eth4-datasw:(null) pc1:pc1/eth4 datasw:(null) ethernet ethernet-datasw ethernet-mxge ethernet- link link-pc1:eth5-datasw:(null) pc1:pc1/eth5 datasw:(null) ethernet ethernet-datasw ethernet-mxge ethernet- node airswitch *80211:* *80211a:* *80211b:* *80211g:* *flex900:* *xcvr2450:* - - set-type-limit integer 0 result into assign.log, like below: exec("nice assign_wrapper2 $cmd $cmdargs > assign.log 2>&1"); seed = Physical Graph: 9 5
6 Calculating shortest paths on switch fabric. Virtual Graph: 7 Generating physical equivalence classes:6 Type precheck: Type precheck passed. Node mapping precheck: Node mapping precheck succeeded Pruning pclasses. pclass pruning complete: removed 2 pclasses, 4 remain. Type precheck: Type precheck passed. Policy precheck: Policy precheck succeeded Annealing. Doing melting run Reverting: forced Reverting to best solution Done BEST SCORE: 4.94 in iters and seconds With 0 violations Iters to find best score: 7 Violations: 0 unassigned: 0 pnode_load: 0 no_connect: 0 link_users: 0 bandwidth: 0 desires: 0 vclass: 0 6
7 delay: 0 trivial mix: 0 subnodes: 0 max_types: 0 endpoints: 0 Nodes: node1 pc6 node2 pc3 node3 pc2 router pc7 tbdelay0 pc9 tbdelay1 pc8 tbdelay2 pc1 End Nodes Edges: linksdelaysrc/link1/node1:0,router:0 intraswitch link-pc6:eth4-datasw:(null) (pc6/eth4,(null)) link-pc9:eth5-datasw:(null) (pc9/eth5,(null)) linksdelaydst/link1/router:0,node1:0 intraswitch link-pc7:eth6-datasw:(null) (pc7/eth6,(null)) link-pc9:eth4-datasw:(null) (pc9/eth4,(null)) linksdelaysrc/link2/node2:0,router:1 intraswitch link-pc3:eth4-datasw:(null) (pc3/eth4,(null)) link-pc8:eth4-datasw:(null) (pc8/eth4,(null)) linksdelaydst/link2/router:1,node2:0 intraswitch link-pc7:eth7-datasw:(null) (pc7/eth7,(null)) link-pc8:eth5-datasw:(null) (pc8/eth5,(null)) linksdelaysrc/link3/node3:0,router:2 intraswitch link-pc2:eth4-datasw:(null) (pc2/eth4,(null)) link-pc1:eth4-datasw:(null) (pc1/eth4,(null)) linksdelaydst/link3/router:2,node3:0 intraswitch link-pc7:eth3-datasw:(null) (pc7/eth3,(null)) link-pc1:eth5-datasw:(null) (pc1/eth5,(null)) End Edges End solution 7
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