ÿØÿà JFIF 

  
 
  ÿÛ „ 
 !.%+&8&+/1555$;@;4?.451
4,$,44444444444414444444444444444444444444444444444444ÿÀ  á á
" 

ÿÄ   



           
 ÿÄ ? 
    
 !1AQaq"2‘¡±ÁðBRbrÑá#‚’¢²3S CñÿÄ 
 

             
ÿÄ ! 
 
 
       
!1QAa‘2ÿÚ 
  ? 5˜Z¯V¦cø)›t/? z¨±>Õ5€¶‹Á¤·¼z¼Ü¬+ñ®v¤¨_ˆR­BFn©—˜ý®ç̝P8gýt·ÉSTŦˆìät?þé¼íìN/Þa)ì–í6ô…
Ï¿øÃj´¿KÇü]ÿ ªô¹-eKànëÕHTx}ýSÜ›ÿ ”7Ø×&µ<¦  ¥ÑO¶[Ù¯ä¨ÞÃÿ PZ-¬;#õ|•
oaÿ ©CìÞz3˜öː/¤­ñTûIØ}š^   mÓ%ªxˆ¥ÉŸu=Z+ISe¿45™¼u;ú&WØ÷€æßQ™®{|
íx*TC“#ZŠìZ§²‹ 6pv…³¿¡äª*áZÐ%ÒOáˆo"x«OHk
w±æ+¬V(kMúŸ5Vö«$ ÁrÏbàb57/luR ¸ÑÛj Òµì`Ðœq­û žICÀ
Ê•©4€Âcà¨Ï€O´<èÐ:›ù(Ë^L8þ‘ÍÌ#¸Ð_Ì©ÙK(Öz 4¬û+¸;ü’V’84‘¬ÃŽ:[â‡ÔÌáõp¢~§ªlæ£ö{®G>J¼"°‡7¯ÆÉèßû ‹É‹§ÁòÃýâßî
^ƾÙõ‹×óH#«LP½ïX=xÑÍ$|W?•~•îëÔ©ª‹
{ÝT…Kÿ ”hûâá)J*ö˜–ÔU;iÇ€/ ÆþjóZ\ýwØ=Ìm
ºèËL9 ýè
Æð/¨’¥öo=nË.%Îì   ŽÕ¯È|{Oj²ƒE6e/ßdÄõ²Ìâ1O®ò×TsəԸhOMýíMˆ¿¼H˜l²,7Â¥#MF/Úf°Ö½± ¸–dr‹NýÊ íjqx{œÉ ä-È    ¦
øÄër¨q°ð
†nцýÑÄÆ’mä…n<0È™;ÁÝá¯ÁZƒ7FÀmì­ É&9ˆîéi¶ùN§Y•ÃZãAâ?•‡©‰ , ó¾IŸŠc1 4â&y­&pŠ­6;M À 0¹qç»p.á …ŸÅáK@<u %Ü6ÓtIÌpÓr»söfeÁ0O…­´Kƒ&ñ™\©<+,~)‹
ºHÐ*×µ&†ž‘Æ÷ÚŸ
1ßjC5Oh´‡›

Ø×ë æâ“Þà

ÒT]§n{ºöB³ ¦ ̹Â8Êï¦MÉ<„¨s¹¶ì7Ì”æR$Ncà! /éþäRM÷Gƒ¿É$
¦oà>%6·y6ƒ‰3?”úºŽ‰éX5ªPT §µ!=Mž«Ú½‹ÅgÂSâÉaþÓoö–¯ÁÔìR>5éÿ üs¶ÆUcÌ  kÇR
]ÿ ù¬¼«VŽ;Â|‡~¢¦”ÏÅ°æ
{L™Õ°Óv¹ò¸írŽ¡×¢CÃ!íVÕ {¶»sŒNPg/
"uÕbkm²“$ďå¿é¹§°½æz¯6 †s¿!s–wÚÝ“™Œ°.ûj>·+™Òa…©Œ&rÝÎtÛë긪Ît’LAVp%c Úý[ÄzJ¾ÇàXXç@˜ó<êL]·T˜¾¥1Ó©V‡g´æ½¦Ý@¹óø!_@´ÞâSÁ —S3™•& ]@JHÚý©ZŽ €×æÔr»Áf!‡yÞ4Mv*èÓã_{‘åóUuљØ«Oïé*®EvÑ
Œ÷‡U \"㪒ÍK+À 4“M¡ï:0¥5í!'<@î´”>Ç»&Z–ïCCV˜Ì5Šo&îhè.žû
|ÓK©h$s6KìŒëã)¹hI¦GïOåóI;ììü#É$Š0…Ææ¥TØ.5­¾gn´ “ÂÖ\:hœ89G)J@„}œ:’Ò{/Š"¦_Æ×7Æ3VÇŠÊa]ÚŒÙ€Ä–=®uÁßâACZƒ§§£Qnâ:«,×{tyø¬iÛcœÜÄ€H½ÄÍCk´÷šß
.W'b¤Íåh]÷€=,Žv×cÚEÚHXJX¶îo¨FÒtèöŸ>ªª6[J®Fµ£sGÁeqõfe\íjÒÐïÄÐGˆe1Ø‹.Ø”‘Ëuø
Y­ˆÜŽG|zùªüMpDnQWÄ”%JŠ™)â*p@Örš«ÕT2Ð%ˆG#ª„
·¤!°ŸOTÂT¸aÚ%4&h™LµšØüÐ.F¿²ÐÞ_Ç‚¾ÅÃaÜ÷09Æ 
q€öy˜v‡85õN÷]¬äѼóS{°_MŽ¬úÔ#°Ç¸0åÞè2ëôPcvÆw9®ií1Ä8F™˜à‰´+‰Ik1òÝ7“Ñ×ÒsÝ\x‚h`ÞÑ`ó"|µEcý£n˜h`}GÞ  !±ù²Ápü²
ß6
0ïi󜵩SÈÇ7˜-ÕURO˜¦´f$ªž-Í6(œ}<„ éc øs]ŽŽ„*—¾
ìdŽ„)méª\¿êÎIg¾ØÞ~I#C/¼¼´EÁÈŽi8“©õådô·>euä ƒ'Ê×लR1ÉJE1ÐAát`t;ÇР%Ý<‡¥„ÍÆ`×Oyó)õiI€ñQaŸ4Ûù\áàaÃÔ¹HÃu¹*k€¦<„eS‡&õÏ
B!ŽhüÞ`yj}mªf×\¿
Ç~æ­9‡û\՞Ǖg²1Žû5V7 !àöšm°
c`ܬøÇìµÒ'P"?…´Ö,"§^•õŽ¨sÔ)6˜sæéÍR¼
ò|Sl”‹7 nPW

Gòú÷½§O¯‡„l¡kSÞŒr½PÊ@æ¢pŽ-mÿ #Ÿ˜Àº¶Áä¦;ïÔæ$1££`“Õ>„—·ž)ß
ð
³ñ#Ï Ô$¶œ‰ÊE‹À;÷º
¯«P:Ñ”8–IÊtpÞ3ª“>ê“þës4ò2OÏÕ­±zô†Õ§‰.÷ä¸;¿˜“'œ›žª}«Œ{ª±Ì 9ÔóÞÕ‡0
$íWV3Üì¬
—@kÝ4@¿r¼±½¬™›?øØæ´'Áé®CË3-g$˜ö‡×auÚi´Žp/êÛæF›Ú2v‹ã¿¿,nB1̨ƃqÞa5͝@&Æû“él÷ \C²½UÍc ¯k×¢U
ÖéQå™—-r    wô ÞÏ<Ò=&=ÿ Ôê Òêˈt,i—;LîÜ á¸*ÚÃ1$êL•LÍ <É)ýÐà’
;F™{ƒ™˜€&'}‚ãÄK`¡ÞT@I;®žZóè‚s’7®°›+§O­Åq©é»²9<Ô
J ¼9O’HL»Ùïì¸rk¼Ž_ý‘TŸu[²ßÚŒ·ü÷B%¯E ŸÔX5êO´Ç•€’I0 É<mÆÈJoúáõóQâØòÙaÙt:  ·=|Ôaz]a1cÉŸ1
4˜à3΍}GFøí7/B«vεŕL=Ðr1ÕšnwH›óÞ¢ºö{)´4€æZç^ÿ yÑ:_([¿ipqQÊ^âÆe;»½“¦º|¢ÀTçèrú1”óTÃ’u¦CG¤ ¡
Š­7ë

·i“¿z»n
ö¼±ù^ö<‹çu7¸ÈlvZðÛAUXje•
dLÞH ÚosÇr`È™‡pÊeÇ4@x7´)ö†Ótœ~i‘Ï[x@äUÃæ­m·e´x
°t¸·²5'žªža   =ÖÌåzϘ'-´ˆpž3§ò‡k  Ý'‰ýÑï¦3ºdè“{eiÔõNkîšECEΠ¥ÃT9ãqÃâŸîɐ8z \?€    >JX` 
ñ¹õ%;µŸD‘«´€àwÒ™UûئžÖö\×®×´8 ½‡ºÐÆÓ§?Àkmœ=;d5*@-ì0F Rªýš[Ü6âö̃ڸr*KA9· u*µæ£?U¸Âêí†8@¦X4 e-ò„0s{ HâUpU?¼mñRa°®a%Ð'tÉ×’\¾ÊÉ]t›h>·(Ë@R¼¡Ãt h}’O÷au<+nT…Ö…MӐ??Óe95 q>í/;&JSû °¯ÊéÞøƒ*Ã2½Ài&:nôUl=¾¿5eˆ3”ñc|Ú2V”>„»&eE;«ÚäC
p¢Ûúy 9š[ŒÌx¼擼A&DåÒ¯ˆ¤ÀÌ;"˜ÏQä¸åhÊ}Ûq«Û0WžÒ|»€ø®öCm5•\ÇÀ§Pe3£]0ÃàLDÉ‰1øªxjgwT‚÷¿LΨK‹›ùs—xˆÜ±µ
kæ¸f‰‰ÜGk/LÛØ6d9ò¶ùA{ƒA3š/¬D¬khÓk‰`˜"㯒r¿±Óã jx‡°e}<Ñø\3y:'À•/h½Í€Ç4~g ?Û(¼]v‘ªlKÎâ~?O‚W%{Ì:“'©úNq¾›úo(X’¥¯ˆ
nFê{Ç€ü?º'ë
ø‹ì
Þ09ŒÌç9Æ —ËC`j@ÓÄ(+a‹un¸#ÂꟋ{K`‘ÑÍÍ'à´»/Û,KW;Þ4²þð ï Nm|~fGÏ(…³Ã)«1ö­Õ
¥‡¨©ƒÃ™ü-s=à=U66Ï«Ýc蓦W¹íž®›nÔ%êÇìŒ<#Ü×84ån®Ð ÒåOC`  ñânÑs‡¢ç 1õ%Îhì½Ã½® e:ݼUZo
™`  
ÅZŸŒÊ«ê1ÏÄo$q¹Þ€©ˆhÐÉä¯ñ[!…Ú˜àJ:x2$Íß&PåT£6ç—
‡Í*4Ýšçjÿ ‰É nófÐ ó(L5C•åÆ\rMÒ@ò
}y-W}™üýVù—ú¢=Ù”c®‘< M ž
´Phr¦©TD ‘ù.$´÷O‡‘V2Æò.=IUŒ=ž‡â¬i™aþÓåÙ?òUø'ØÖ•.~* šTŒ!•-×áºTâ®ä#õü'´ eýlYÅÓeÕKÂrT"CÚ@u!Óxƒ{š3€}1¿(r}%«nËamjÑ%ÑNEò
v  ˜à  σöK³,*º.àzù¨™Ó ÚçâU¦*¿ 9{%Ö¹ njûdaXöb)  kÛƱûÓ\°M7ˆÂ=û›ç¿Ã‚­V»Cg–8ÙêE-j)k$º`Ã-ùEýeBÆÇ]c¡°ñty&Òd0nõ'¡W+ƒ*|–ø<K\%¦cÏÄ#N,Úú‘¤òÒÛõ ’¶§‰Ì
ú•dçb31Ð\7‡ëÚw82
‰KÝkÚñ'¢Ž…[&¼ÌAÔzHàP *اoßreÁY¥Ñ¾ãE|&QbKg]ã„þê*b;R³Öi‹  ±î$£ÈTm¶k÷ˆ
¦»Ù¹i¦¨6 h%Á'Ú
J   \F±â+‹b/Å9ñå5Àë­nˆRv«¯#„&î„$º’@:‘Ôrø+,àq‘秬*Úg´>µFa\GQªEAÔp5\Ǽ·¼Ç8·õ -â§Ú[
‡
uZeÖ 3}×d'+¹:ð+K†Û®s!Ï$úe€<Û”x)1»a­¡LC]¸µík…ÚàA»AYº{†ªS[¦5HÒ7ù
--,ísòDØ€èk   ÞÀîÜò@â(  ËNˆë›4ô½•/¦o‡€Û7
ê•ÆêòðÜy
'Án½µ á˜ݦ  ndeo…[ì¶Ê,¥R³Ä=À±—–ß;£™´ñSâ*g§”ïaið‘Jå~™ÓÞß³Õ¢»8x埒²52>AÊb&-÷\7´éÄù€T˜,w;3{ï˜k…à¹ÄqÀ«œ{
€\
ˆ¾[´¨јr &Úé„Ívˆ±8†¿]|¬ņ4I×pÞS1ÈÖz‰#Ìv‡G!YNògñ:màTz¢Ý1ô©^O=~ë|5Bã™ç•¼µõ•bÆ@úÕS¬ÈŒ#¬zünrŸ
û”
Z²•ï›èðV"ÁHÚý©wÝ €7¼Ìu1hÑa3Éä û f$o¿É ™Ú›ÝçnpÒ3äÌ3†Í§,Äï]$‰/pê†«À¼
¸e9­Æê_C]žƒ·ý·frÁN«,E=›Çq
-‰öŒ:aÏ¿±í&£Í:-}
84‘ÿ eƒQÑeëSsuiA
³g㟥ú£?ÿ ʼn*”“÷aühe:ÊWa@ÒÞk±eØ]
F Ô—r.åä˜@ö¥ªZoÐýYL·¥S²G/‡ñ
<~*ZÆ´è>JlòàÛƽÿ 窘ìGN¢:I®KšJp/`íIÁÀõ#Ä-€ö­šµŒoF4|ÆQØÆ@Ì|£Ô…¢À{9˜è½Üó›€ôYÒÎYsið;ís¤€à²ˆ‚4qÉVŒI$  ‰"°   æµ8cXGjœˏ¡Aâý•ËÜ¢ûïe·çLx']á"oÅÎê3¯Ç—¹”ó0nå‚âg{Œñ>
S´˜îè°g238‚ãköÝfÚd´6Ò€;ò÷±¢™¼›º¢Æ'¥Ðx'e¬ç
]bÈÆV¢ó‹kýBO
ðÊâ$Ÿ!×T
3Mýמ
žìٍàÌü‘8÷€àæØ8æ©6‰©L´«…oãpð„~Çk‰!ñ;‹”ÛžÍ àž±z Ÿôû øŸÝužÏ;ÿ #|u6™Þ¬ÚˆÐõA4¶â|ôl|Ê2ŽÇ¤ÝÅÇY.<#Aí.k§hóF‚”Y;
M½Ö4hŸ4&›­¿tès´%FìL¥£Ãk‰ÇT¤haÁ¤ÚxfÉ`ÑìË›>i 3t‚:,–+^÷´–{Û–Nxi"x‘Ûg
î¨>¥Õ܁ùZH,2Û“:8xÊ¢Çí9.É-Ìâã-=çjwµS˜dütžçwýGòú®®ûº_ˆýx$–¡ãøO
EÚÛÏ÷R„×w+3£Á£öUMyR²¹âŒ°š›¸Ñãò9§Ó_Dl+Ùßc›úšGÅÌc†Ž!Ko=¶.‘Îÿ c²(2®V mª.ÿ ¹B›¹å ù„öŸSV>™ü¯$y:G¢Z×àøúdî¹û­·ýÇ´:•c LÍõi_‹ö+ÎæGÊè>OŠ•äž´§Þ{X}¨1ÚTc›»Qþ•êô°t¿OP?eæ~É{5]•ÙR£r5†nZ\ã@
&îJõ ¾àC°þV>fé¥/ü5ñÊIº_é5;e­h<@
Ä&æÃëE%;X,ÒãÆÞ`Oò¦kŸm#˜!ÀyÄ¢|
óLšò¥Ä`
¶R=|ÈCâh5ò3DˆïF†ðÒ#ÅìÛœ?¸yhBãœí
ZxßÎÄhºRK„`Þödvײ™ÀÈÑÒgŒuYw³%†ƒÓzõ ÖÏp‚dH®¦A´ù§»ÓÇMæ~)ˆð‡û:ù&Ä •vGD´À 
n
Ý
‡¼Ö8Fö   óáà£~Ë¥x`oK|Ä?fxiØü%pìR>éò+Û±éÎ>núlFŤ'tq8LZÏvÃ?„¡ß±È⽆¯³íü@x|PöUäèØã¡ð‚ŒAìÏ"vÍwóŸÍ{ ý0.z    È•Ö{,N¡£¡ŸKÕÙž>Ýœþ ÍÀ<n^Àïe€Þgn¹”ÜiQê
9Ú±‡„è]ËA¿‚MJìiÓxŒn-ÄS6!ÓæÑû*jÎWøìšÇ뙦gj~+?\,Ö7ÁÕÊ”G™q6TF)óCç<ÓšÂUé†gW=àà“hóR³ÊQì<!÷ÇpR1¯u„De,è­vvâDß~žHå‰ú£Kìní¢ÐçÅÄÅ¥Ü÷
±ÃìÇžûƒz\þÞ¨-•‹
€

¸+¶n¿^
?†[ÖWóÒX¸,0Ø:l?‰Âý«ÿ ·Dc+fÔ[ƒ›ûªšx«kæž1KI…<#'nž¶\±íÎ8¤ìK@’@J¥v)º[Ž±Æå´¼
½Ý¡ç¯ÐO¥ø®è•Óȱ߿wša©“œt‡4îyªœ&+1ÏØ:‚æƒ=/ꎔ`hm
“=©‹]°g}ì€DgUƒ8¤qCˆãáÅ,‡Ô¬ñ10HÑDÂbáÂÿ Œ»v·:uòB6»áp‰>°<×EA!Å‚D™IúOÍ
¡>ôG}Â`ÍßkÜL™Ž  Þð™
{IøF²
¹òQ3&!ÃÂÞz.d&Ï-sH¸,Ôõ˜ŽP€
77ˆÝ¼ÊëÜw   =cÕ
Ú,ØÐ5ÎYÐ)ì´öœgŒ[¤
ßv㙑8心>h]§µháYš£²ºÑ.{Ï7Sð•?´~×SÃKýJÛ˜
™Íäiúu<µX¶1õ^kâçIÑ£sZ4h>j*ÔšD:4­¿_ ÷¸
Õxæÿ ¸?Mù _•­ÊÐ ä ÷ý ÑwL
œ­ïnTkÛUÍN©ë:¦fV ¶ÜÔÜMªÅâA½–¿R×TXš-%iTÊT•‡Ù‚JôϐZxWÑè‰f‰òG º
×Õû2aZ7OU3[“×AT–ÞŒ…-‘¤”Ì 
ì&(ˆ¿­•ƒkï’:ðY¦W‘Å)“†‘˜³Åtcø˜ñTÂwÚÇ4
|üLÇªí–v-
qˆèU
qPE.†â‘˜µ Æ,ÐÅs]8¾„oúÑ i>ÜxxÈó)ƒ ´æÁâØ$À‰vžŸf$Ž|ãw;ÀÁIJ»b`
{¦Ó¤Ú$©YÀ‘n@Óïž«9J¼êG   m¤
ܯ¹ÌW4€ÐÒÅÛ‡#褕Ÿn-?í|с¥÷Ú¹¬'´ÞÜ9ÓK`hê£SÄSà?7—Wí_´…óB›»:=Ãïq`<8ñÓŒÑlú2d¬ê³£hÖ[l|$vÝro~'R®‰§°ñmY ͧäP
|PUª¹·:3Œ[Û{Xÿ ºâ@‚W–Äé u‚ ¯´*=íή.pûÒdt @
G‰¬ s¸    ëÉücr ÞæѨÊ@>¤¢Ö±.Þ'¯°ÌME[YéïĵÂCå½
Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”
빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢
Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾
á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ]R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß
¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ 
àfPìð  .wFšir´þ’2_Y
*Æ€x\«
ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1    2Ž‰$€$I$#‰SÞ’H
ë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙimport agent_util
import sys
import os
from datetime import datetime
from agent_util import float
import fnmatch


class BandwidthPlugin(agent_util.Plugin):
    textkey = "bandwidth"
    label = "Bandwidth"

    @classmethod
    def get_metadata(self, config):
        def add_to_interfaces(iface):
            if any(fnmatch.fnmatch(iface, f) for f in filter_interfaces):
                return
            if type(interfaces) == set:
                interfaces.add(iface)
            else:
                interfaces.append(iface)

        status = agent_util.SUPPORTED
        msg = None
        interfaces = set()
        filter_interfaces = []

        filter_interfaces_config = config.get("filter_interfaces")
        if filter_interfaces_config:
            if filter_interfaces_config[0] == "[":
                filter_interfaces_config = filter_interfaces_config.strip("[]")
            for f in filter_interfaces_config.split(","):
                f = f.strip()
                if f:
                    if f[0] == '"':
                        f = f.strip('"')
                    elif f[0] == "'":
                        f = f.strip("'")
                if f:
                    filter_interfaces.append(f)

        if "freebsd" in sys.platform or "darwin" in sys.platform:
            netstat_binary = agent_util.which("netstat")

            if not netstat_binary:
                self.log.info("netstat not found")
                status = agent_util.UNSUPPORTED
                msg = "Please install netstat."
                return {}

            if status is agent_util.SUPPORTED:
                ret, output = agent_util.execute_command("%s -ib" % netstat_binary)
                self.log.debug("BANDWIDTH INFO")
                self.log.debug(output)
                if config.get("debug", False):
                    self.log.debug(
                        "#####################################################"
                    )
                    self.log.debug("Bandwidth command 'netstat -ib' output:")
                    self.log.debug(output)
                    self.log.debug(
                        "#####################################################"
                    )

                output = output.splitlines()[1:]
                for line in output:
                    if line == "" or "lo" in line:
                        continue
                    stuff = line.strip().split()
                    iface = stuff[0]
                    add_to_interfaces(iface)

        elif "aix" in sys.platform:
            if not agent_util.which("netstat"):
                self.log.info("netstat not found")
                status = agent_util.UNSUPPORTED
                msg = "Please install netstat."
                return {}

            # Get the list of network devices
            interfaces = []
            ret, output = agent_util.execute_command(
                "netstat -v | grep 'ETHERNET STATISTICS'"
            )
            output = output.strip().split("\n")
            for line in output:
                fields = line.split()
                try:
                    add_to_interfaces(fields[2].strip("(").strip(")"))
                except:
                    pass

            metadata = {}
            metadata["bandwidth.kbytes.in"] = {
                "label": "Kilobytes IN per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "kB",
            }

            metadata["bandwidth.kbytes.out"] = {
                "label": "Kilobytes OUT per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "kB",
            }

            metadata["bandwidth.packets.in"] = {
                "label": "Packets IN per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "packets",
            }

            metadata["bandwidth.packets.out"] = {
                "label": "Packets OUT per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "packets",
            }

            return metadata

        elif "sunos" in sys.platform:
            if not agent_util.which("netstat"):
                self.log.info("netstat not found")
                status = agent_util.UNSUPPORTED
                msg = "Please install netstat."
                return {}

            # Get the list of network devices
            interfaces = []
            ret, output = agent_util.execute_command("netstat -i")
            output = output.strip().split("\n")
            for line in output:
                fields = line.split()
                if not fields:
                    continue
                if fields[0] in ("lo", "inet", "ether", "Name"):
                    continue
                try:
                    add_to_interfaces(fields[0])
                except:
                    pass

            metadata = {}
            metadata["bandwidth.kbytes.in"] = {
                "label": "Kilobytes IN per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "kB",
            }

            metadata["bandwidth.kbytes.out"] = {
                "label": "Kilobytes OUT per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "kB",
            }

            metadata["bandwidth.packets.in"] = {
                "label": "Packets IN per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "packets",
            }

            metadata["bandwidth.packets.out"] = {
                "label": "Packets OUT per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "packets",
            }

            return metadata

        elif "vmware" in sys.platform:
            if not agent_util.which("esxcli"):
                self.log.info("esxcli not found")
                status = agent_util.UNSUPPORTED
                msg = "Please confirm esxcli is installed."
                return {}

            interfaces = []
            ret, out = agent_util.execute_command("esxcli network nic list")
            iface_table = out.split("\n")
            for iface in iface_table:
                # skip the headers, dividers and any empty items
                if iface.startswith("Name") or iface.startswith("--") or iface == "":
                    continue
                add_to_interfaces(iface.split()[0])

            metadata = {}
            metadata["bandwidth.kbytes.in"] = {
                "label": "Kilobytes IN per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "kB",
            }

            metadata["bandwidth.kbytes.out"] = {
                "label": "Kilobytes OUT per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "kB",
            }

            metadata["bandwidth.packets.in"] = {
                "label": "Packets IN per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "packets",
            }

            metadata["bandwidth.packets.out"] = {
                "label": "Packets OUT per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "packets",
            }

            return metadata

        elif "hp-ux" in sys.platform:
            ret, out = agent_util.execute_command("nwmgr -g")
            iface_table = out.splitlines()
            interfaces = []
            for line in iface_table:
                if not line.lower().startswith("lan"):
                    continue
                iface = line.split()
                if iface[1] != "UP":
                    continue
                add_to_interfaces(iface[0])

            metadata = {}
            metadata["bandwidth.kbytes.in"] = {
                "label": "Kilobytes IN per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "kB",
            }

            metadata["bandwidth.kbytes.out"] = {
                "label": "Kilobytes OUT per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "kB",
            }

            metadata["bandwidth.packets.in"] = {
                "label": "Packets IN per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "packets",
            }

            metadata["bandwidth.packets.out"] = {
                "label": "Packets OUT per second",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "packets",
            }

            return metadata

        else:
            # Default Linux options
            if not os.path.exists("/proc/net/dev"):
                self.log.info("/proc/net/dev not found")
                status = agent_util.UNSUPPORTED
                msg = "/proc/net/dev not found"
                return {}

            if status is agent_util.SUPPORTED:
                # get the interfaces
                output = open("/proc/net/dev", "r").read()
                output = output.splitlines()
                if config.get("debug", False):
                    self.log.debug(
                        "#####################################################"
                    )
                    self.log.debug("Content of file '/proc/net/dev':")
                    self.log.debug(str(output))
                    self.log.debug(
                        "#####################################################"
                    )

                for line in output[2:]:
                    stuff = line.strip().split()
                    iface, bytes_read = stuff[0].split(":")
                    add_to_interfaces(iface)

        interfaces = list(interfaces)
        interfaces.sort()

        if status is agent_util.SUPPORTED and not interfaces:
            status = agent_util.MISCONFIGURED
            msg = "No network interfaces found."

        metadata = {}
        metadata["bandwidth.kbytes.in"] = {
            "label": "Kilobytes IN per second",
            "options": interfaces,
            "status": status,
            "error_message": msg,
            "unit": "kB",
        }

        metadata["bandwidth.kbytes.out"] = {
            "label": "Kilobytes OUT per second",
            "options": interfaces,
            "status": status,
            "error_message": msg,
            "unit": "kB",
        }

        metadata["bandwidth.packets.in"] = {
            "label": "Packets IN per second",
            "options": interfaces,
            "status": status,
            "error_message": msg,
            "unit": "packets",
        }

        metadata["bandwidth.packets.out"] = {
            "label": "Packets OUT per second",
            "options": interfaces,
            "status": status,
            "error_message": msg,
            "unit": "packets",
        }

        if "freebsd" not in sys.platform and "darwin" not in sys.platform:
            metadata["bandwidth.monthly.in"] = {
                "label": "Kilobytes IN for the month",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "kB",
            }
            metadata["bandwidth.monthly.out"] = {
                "label": "Kilobytes OUT for the month",
                "options": interfaces,
                "status": status,
                "error_message": msg,
                "unit": "kB",
            }

        return metadata

    def check(self, textkey, interface, config):
        interface_found = False

        if "freebsd" in sys.platform:
            ret, output = agent_util.execute_command("netstat -ib")
            lines = output.splitlines()[1:]

            for line in lines:
                if "lo" in line or line == "":
                    continue
                line = line.split()
                (
                    si,
                    mtu,
                    network,
                    addr,
                    packets_read,
                    ierr,
                    idrop,
                    bytes_read,
                    packets_written,
                    oerr,
                    bytes_written,
                    coll,
                ) = line
                packets_read = int(packets_read)
                packets_written = int(packets_written)
                kbytes_read = int(bytes_read) / 1024
                kbytes_written = int(bytes_written) / 1024

                if si == interface and network.startswith("<Link"):
                    interface_found = True
                    break
        elif "darwin" in sys.platform:
            netstat = agent_util.which("netstat")
            ret, output = agent_util.execute_command("%s -ibn" % netstat)
            lines = output.splitlines()[1:]

            for line in lines:
                if "lo" in line or line == "":
                    continue
                line = line.split()
                si = line[0]
                network = line[2]
                packets_read = int(line[-7])
                bytes_read = int(line[-5])
                packets_written = int(line[-4])
                bytes_written = int(line[-2])
                kbytes_read = bytes_read / 1024
                kbytes_written = bytes_written / 1024

                if si == interface and network.startswith("<Link"):
                    interface_found = True
                    break

        elif "aix" in sys.platform:
            ret, output = agent_util.execute_command(
                'netstat -v %s | grep "^Bytes:"' % interface
            )
            fields = output.split()
            kbytes_written = int(fields[1]) / 1024
            kbytes_read = int(fields[3]) / 1024
            ret, output = agent_util.execute_command(
                'netstat -v %s | grep "^Packets:"' % interface
            )
            fields = output.split()
            packets_written = int(fields[1]) / 1024
            packets_read = int(fields[3]) / 1024
            interface_found = True

        elif "sunos" in sys.platform:
            ret, output = agent_util.execute_command("netstat -i")
            for line in output.strip().split("\n"):
                fields = line.strip().split()
                if not fields:
                    continue
                if fields[0] == interface:
                    interface_found = True
                    packets_read = int(fields[4])
                    packets_written = int(fields[6])
            kbytes_read = 0
            kbytes_written = 0
            ret, output = agent_util.execute_command(
                "kstat -n %s 1 2 | egrep 'bytes64' | uniq" % interface
            )
            for line in output.split("\n"):
                if not line:
                    continue
                if "obytes" in line:
                    fields = line.split()
                    kbytes_read = int(fields[1]) / 1024

                elif "rbytes" in line:
                    fields = line.split()
                    kbytes_written = int(fields[1]) / 1024

        elif "vmware" in sys.platform:
            ret, out = agent_util.execute_command(
                "esxcli network nic stats get -n %s" % interface
            )
            if ret == 0:
                interface_found = True
            iface_stats = {}
            fields = out.split("\n")
            for i in fields:
                trans = i.strip().split(":")
                if len(trans) != 2:
                    continue
                iface_stats[trans[0]] = trans[1].strip()

            kbytes_written = int(iface_stats["Bytes sent"]) / 1024
            kbytes_read = int(iface_stats["Bytes received"]) / 1024
            packets_written = int(iface_stats["Packets sent"])
            packets_read = int(iface_stats["Packets received"])

        elif "hp-ux" in sys.platform:
            interface_found = True
            # NOTE, we need to first divide by 8 to get bytes from octets
            # then divide by 1024 to get KB
            ret, out = agent_util.execute_command("nwmgr --st -c %s" % interface)
            nwmgr = out.splitlines()
            iface_stats = {}
            for line in nwmgr:
                if "=" not in line:
                    continue
                l = line.split("=")
                iface_stats[l[0].strip()] = l[1].strip()
            self.log.debug(iface_stats)

            kbytes_read = (float(iface_stats["Inbound Octets"]) / 8) / 1024
            kbytes_written = (float(iface_stats["Outbound Octets"]) / 8) / 1024
            packets_read = total_pkts = (
                float(iface_stats["Inbound Unicast Packets"])
                + float(iface_stats["Inbound Multicast Packets"])
                + float(iface_stats["Inbound Broadcast Packets"])
            )
            packets_written = total_pkts = (
                float(iface_stats["Outbound Unicast Packets"])
                + float(iface_stats["Outbound Multicast Packets"])
                + float(iface_stats["Outbound Broadcast Packets"])
            )

        else:
            output = open("/proc/net/dev", "r").read()

            self.log.debug("/proc/net/dev output: %s" % str(output))

            output = output.splitlines()

            for line in output[2:]:
                stuff = line.strip().split()
                if not stuff[0].endswith(":"):
                    stuff[0], new_insert = stuff[0].split(":")
                    stuff.insert(1, new_insert)
                else:
                    stuff[0] = stuff[0].rstrip(":")

                iface = stuff[0]
                bytes_read = int(stuff[1])
                bytes_written = int(stuff[9])
                kbytes_read = int(bytes_read) / 1024
                kbytes_written = int(stuff[9]) / 1024
                packets_read = int(stuff[2])
                packets_written = int(stuff[10])

                if interface == iface:
                    interface_found = True
                    break

            # Special handling for monthly bandwidth - each time through we bank the
            # difference in the current reading vs. the previous, taking into account
            # cases where we cross a month boundary and when the byte counters wrap
            if textkey.startswith("bandwidth.monthly"):
                if textkey == "bandwidth.monthly.in":
                    current_bytes = bytes_read
                else:
                    current_bytes = bytes_written

                # First get the cached values
                c = self.get_cache_results(textkey + ":current_bytes", interface)
                previous_bytes = c and c[0][1] or current_bytes
                c = self.get_cache_results(textkey + ":banked_bytes", interface)
                banked_bytes = c and c[0][1] or 0
                c = self.get_cache_results(textkey + ":current_month", interface)
                current_month = c and c[0][1] or datetime.now().month
                c = self.get_cache_results(textkey + ":current_year", interface)
                current_year = c and c[0][1] or datetime.now().year

                now = datetime.now()
                if now.year != current_year or now.month != current_month:
                    # If we"ve crossed a month boundary, zero out bank and reset counters
                    banked_bytes = 0
                    current_year = now.year
                    current_month = now.month
                    previous_bytes = current_bytes

                elif current_bytes < previous_bytes:
                    # The OS counters wrapped, need to handle this
                    banked_bytes += current_bytes
                    previous_bytes = current_bytes

                else:
                    # Standard case, just bank the difference between current and last
                    banked_bytes += current_bytes - previous_bytes
                    previous_bytes = current_bytes

                # Cache the new values
                self.cache_result(
                    textkey + ":current_bytes", interface, current_bytes, replace=True
                )
                self.cache_result(
                    textkey + ":banked_bytes", interface, banked_bytes, replace=True
                )
                self.cache_result(
                    textkey + ":current_month", interface, current_month, replace=True
                )
                self.cache_result(
                    textkey + ":current_year", interface, current_year, replace=True
                )

                return banked_bytes / 1024

        # Because of AIX's interface naming convention, every
        # command provides a different interface name, we need to ignore that
        if "aix" in sys.platform:
            pass
        else:
            if not interface_found:
                self.log.warning("interface %s not found!?" % interface)
                return None

        # try to get the old cache
        cache = self.get_cache_results(textkey, interface)

        # cache our result always
        if textkey == "bandwidth.kbytes.in":
            result = kbytes_read
        elif textkey == "bandwidth.kbytes.out":
            result = kbytes_written
        elif textkey == "bandwidth.packets.in":
            result = packets_read
        elif textkey == "bandwidth.packets.out":
            result = packets_written
        else:
            self.log.error("UNKNOWN BANDWIDTH TEXTKEY- %s" % textkey)
        self.cache_result(textkey, interface, result)

        if not cache:
            return 0.0

        delta, cached_result = cache[0]

        self.log.debug("kbytes read: %d" % kbytes_read)
        self.log.debug("kbytes written: %d" % kbytes_written)
        self.log.debug("packets read: %d" % packets_read)
        self.log.debug("packets written: %d" % packets_written)
        new_value = result - cached_result
        if new_value < 0.0:
            self.log.warning(
                "Metric {} current {} less than cached {} - maybe reboot or counter overflow".format(
                    textkey, result, cached_result
                )
            )
            return None

        return new_value / float(delta)